/**
|
* \file
|
* Routines for marshaling complex types in P/Invoke methods.
|
*
|
* Author:
|
* Paolo Molaro (lupus@ximian.com)
|
*
|
* Copyright 2002-2003 Ximian, Inc (http://www.ximian.com)
|
* Copyright 2004-2009 Novell, Inc (http://www.novell.com)
|
* Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
|
*
|
* Licensed under the MIT license. See LICENSE file in the project root for full license information.
|
*/
|
|
#include "config.h"
|
#ifdef HAVE_ALLOCA_H
|
#include <alloca.h>
|
#endif
|
|
#include "object.h"
|
#include "loader.h"
|
#include "cil-coff.h"
|
#include "metadata/marshal.h"
|
#include "metadata/marshal-internals.h"
|
#include "metadata/method-builder.h"
|
#include "metadata/tabledefs.h"
|
#include "metadata/exception.h"
|
#include "metadata/appdomain.h"
|
#include "mono/metadata/abi-details.h"
|
#include "mono/metadata/debug-helpers.h"
|
#include "mono/metadata/threads.h"
|
#include "mono/metadata/monitor.h"
|
#include "mono/metadata/class-internals.h"
|
#include "mono/metadata/metadata-internals.h"
|
#include "mono/metadata/domain-internals.h"
|
#include "mono/metadata/gc-internals.h"
|
#include "mono/metadata/threads-types.h"
|
#include "mono/metadata/string-icalls.h"
|
#include "mono/metadata/attrdefs.h"
|
#include "mono/metadata/cominterop.h"
|
#include "mono/metadata/remoting.h"
|
#include "mono/metadata/reflection-internals.h"
|
#include "mono/metadata/threadpool.h"
|
#include "mono/metadata/handle.h"
|
#include "mono/utils/mono-counters.h"
|
#include "mono/utils/mono-tls.h"
|
#include "mono/utils/mono-memory-model.h"
|
#include "mono/utils/atomic.h"
|
#include <mono/utils/mono-threads.h>
|
#include <mono/utils/mono-threads-coop.h>
|
#include <mono/utils/mono-error-internals.h>
|
|
#include <string.h>
|
#include <errno.h>
|
|
/* #define DEBUG_RUNTIME_CODE */
|
|
#define OPDEF(a,b,c,d,e,f,g,h,i,j) \
|
a = i,
|
|
enum {
|
#include "mono/cil/opcode.def"
|
LAST = 0xff
|
};
|
#undef OPDEF
|
|
/*
|
* This mutex protects the various marshalling related caches in MonoImage
|
* and a few other data structures static to this file.
|
*
|
* The marshal lock is a non-recursive complex lock that sits below the domain lock in the
|
* runtime locking latice. Which means it can take simple locks suck as the image lock.
|
*/
|
#define mono_marshal_lock() mono_locks_os_acquire (&marshal_mutex, MarshalLock)
|
#define mono_marshal_unlock() mono_locks_os_release (&marshal_mutex, MarshalLock)
|
static mono_mutex_t marshal_mutex;
|
static gboolean marshal_mutex_initialized;
|
|
static MonoNativeTlsKey last_error_tls_id;
|
|
static MonoNativeTlsKey load_type_info_tls_id;
|
|
static gboolean use_aot_wrappers;
|
|
static int class_marshal_info_count;
|
|
static void ftnptr_eh_callback_default (guint32 gchandle);
|
|
static MonoFtnPtrEHCallback ftnptr_eh_callback = ftnptr_eh_callback_default;
|
|
static void
|
delegate_hash_table_add (MonoDelegateHandle d);
|
|
static void
|
delegate_hash_table_remove (MonoDelegate *d);
|
|
static void
|
emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object);
|
|
static void
|
emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object, int offset_of_first_child_field, MonoMarshalNative string_encoding);
|
|
static void
|
mono_struct_delete_old (MonoClass *klass, char *ptr);
|
|
MONO_API void *
|
mono_marshal_string_to_utf16 (MonoString *s);
|
|
static void *
|
mono_marshal_string_to_utf16_copy (MonoString *s);
|
|
#ifndef HOST_WIN32
|
static gpointer
|
mono_string_to_utf8str (MonoString *string_obj);
|
#endif
|
|
static MonoStringBuilder *
|
mono_string_utf8_to_builder2 (char *text);
|
|
static MonoStringBuilder *
|
mono_string_utf16_to_builder2 (gunichar2 *text);
|
|
static MonoString*
|
mono_string_new_len_wrapper (const char *text, guint length);
|
|
static MonoString *
|
mono_string_from_byvalstr (const char *data, int len);
|
|
static MonoString *
|
mono_string_from_byvalwstr (gunichar2 *data, int len);
|
|
static void
|
mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *eltype, guint32 elnum);
|
|
static void
|
mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum);
|
|
static void
|
mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *eltype, guint32 elnum);
|
|
static void
|
mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum);
|
|
static MonoAsyncResult *
|
mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params);
|
|
static MonoObject *
|
mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params);
|
|
static void
|
mono_marshal_set_last_error_windows (int error);
|
|
static MonoObject *
|
mono_marshal_isinst_with_cache (MonoObject *obj, MonoClass *klass, uintptr_t *cache);
|
|
static void init_safe_handle (void);
|
|
static void*
|
ves_icall_marshal_alloc (gsize size);
|
|
void
|
mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text);
|
|
void
|
mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text);
|
|
gchar*
|
mono_string_builder_to_utf8 (MonoStringBuilder *sb);
|
|
gunichar2*
|
mono_string_builder_to_utf16 (MonoStringBuilder *sb);
|
|
void
|
mono_string_to_byvalstr (gpointer dst, MonoString *src, int size);
|
|
void
|
mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size);
|
|
gpointer
|
mono_delegate_to_ftnptr (MonoDelegate *delegate);
|
|
gpointer
|
mono_delegate_handle_to_ftnptr (MonoDelegateHandle delegate, MonoError *error);
|
|
MonoDelegate*
|
mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn);
|
|
MonoDelegateHandle
|
mono_ftnptr_to_delegate_handle (MonoClass *klass, gpointer ftn, MonoError *error);
|
|
gpointer
|
mono_array_to_savearray (MonoArray *array);
|
|
gpointer
|
mono_array_to_lparray (MonoArray *array);
|
|
void
|
mono_free_lparray (MonoArray *array, gpointer* nativeArray);
|
|
gpointer
|
mono_marshal_asany (MonoObject *obj, MonoMarshalNative string_encoding, int param_attrs);
|
|
void
|
mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs);
|
|
gpointer
|
mono_array_to_savearray (MonoArray *array);
|
|
gpointer
|
mono_array_to_lparray (MonoArray *array);
|
|
void
|
mono_free_lparray (MonoArray *array, gpointer* nativeArray);
|
|
static void
|
mono_marshal_ftnptr_eh_callback (guint32 gchandle);
|
|
static MonoThreadInfo*
|
mono_icall_start (HandleStackMark *stackmark, MonoError *error);
|
|
static void
|
mono_icall_end (MonoThreadInfo *info, HandleStackMark *stackmark, MonoError *error);
|
|
static MonoObjectHandle
|
mono_icall_handle_new (gpointer rawobj);
|
|
static MonoObjectHandle
|
mono_icall_handle_new_interior (gpointer rawobj);
|
|
/* Lazy class loading functions */
|
static GENERATE_GET_CLASS_WITH_CACHE (string_builder, "System.Text", "StringBuilder");
|
static GENERATE_GET_CLASS_WITH_CACHE (date_time, "System", "DateTime");
|
static GENERATE_GET_CLASS_WITH_CACHE (fixed_buffer_attribute, "System.Runtime.CompilerServices", "FixedBufferAttribute");
|
static GENERATE_TRY_GET_CLASS_WITH_CACHE (unmanaged_function_pointer_attribute, "System.Runtime.InteropServices", "UnmanagedFunctionPointerAttribute");
|
static GENERATE_TRY_GET_CLASS_WITH_CACHE (icustom_marshaler, "System.Runtime.InteropServices", "ICustomMarshaler");
|
|
/* MonoMethod pointers to SafeHandle::DangerousAddRef and ::DangerousRelease */
|
static MonoMethod *sh_dangerous_add_ref;
|
static MonoMethod *sh_dangerous_release;
|
|
static void
|
init_safe_handle ()
|
{
|
sh_dangerous_add_ref = mono_class_get_method_from_name (
|
mono_class_try_get_safehandle_class (), "DangerousAddRef", 1);
|
sh_dangerous_release = mono_class_get_method_from_name (
|
mono_class_try_get_safehandle_class (), "DangerousRelease", 0);
|
}
|
|
static void
|
register_icall (gpointer func, const char *name, const char *sigstr, gboolean no_wrapper)
|
{
|
MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
|
|
mono_register_jit_icall (func, name, sig, no_wrapper);
|
}
|
|
static void
|
register_icall_no_wrapper (gpointer func, const char *name, const char *sigstr)
|
{
|
MonoMethodSignature *sig = mono_create_icall_signature (sigstr);
|
|
mono_register_jit_icall (func, name, sig, TRUE);
|
}
|
|
MonoMethodSignature*
|
mono_signature_no_pinvoke (MonoMethod *method)
|
{
|
MonoMethodSignature *sig = mono_method_signature (method);
|
if (sig->pinvoke) {
|
sig = mono_metadata_signature_dup_full (method->klass->image, sig);
|
sig->pinvoke = FALSE;
|
}
|
|
return sig;
|
}
|
|
void
|
mono_marshal_init_tls (void)
|
{
|
mono_native_tls_alloc (&last_error_tls_id, NULL);
|
mono_native_tls_alloc (&load_type_info_tls_id, NULL);
|
}
|
|
static MonoObject*
|
mono_object_isinst_icall (MonoObject *obj, MonoClass *klass)
|
{
|
if (!klass)
|
return NULL;
|
|
/* This is called from stelemref so it is expected to succeed */
|
/* Fastpath */
|
if (mono_class_is_interface (klass)) {
|
MonoVTable *vt = obj->vtable;
|
|
if (!klass->inited)
|
mono_class_init (klass);
|
|
if (MONO_VTABLE_IMPLEMENTS_INTERFACE (vt, klass->interface_id))
|
return obj;
|
}
|
|
MonoError error;
|
MonoObject *result = mono_object_isinst_checked (obj, klass, &error);
|
mono_error_set_pending_exception (&error);
|
return result;
|
}
|
|
static MonoString*
|
ves_icall_mono_string_from_utf16 (gunichar2 *data)
|
{
|
MonoError error;
|
MonoString *result = mono_string_from_utf16_checked (data, &error);
|
mono_error_set_pending_exception (&error);
|
return result;
|
}
|
|
static char*
|
ves_icall_mono_string_to_utf8 (MonoString *str)
|
{
|
MonoError error;
|
char *result = mono_string_to_utf8_checked (str, &error);
|
mono_error_set_pending_exception (&error);
|
return result;
|
}
|
|
static MonoString*
|
ves_icall_string_new_wrapper (const char *text)
|
{
|
if (text) {
|
MonoError error;
|
MonoString *res = mono_string_new_checked (mono_domain_get (), text, &error);
|
mono_error_set_pending_exception (&error);
|
return res;
|
}
|
|
return NULL;
|
}
|
|
void
|
mono_marshal_init (void)
|
{
|
static gboolean module_initialized = FALSE;
|
|
if (!module_initialized) {
|
module_initialized = TRUE;
|
mono_os_mutex_init_recursive (&marshal_mutex);
|
marshal_mutex_initialized = TRUE;
|
|
register_icall (ves_icall_System_Threading_Thread_ResetAbort, "ves_icall_System_Threading_Thread_ResetAbort", "void", TRUE);
|
register_icall (mono_marshal_string_to_utf16, "mono_marshal_string_to_utf16", "ptr obj", FALSE);
|
register_icall (mono_marshal_string_to_utf16_copy, "mono_marshal_string_to_utf16_copy", "ptr obj", FALSE);
|
register_icall (mono_string_to_utf16, "mono_string_to_utf16", "ptr obj", FALSE);
|
register_icall (ves_icall_mono_string_from_utf16, "ves_icall_mono_string_from_utf16", "obj ptr", FALSE);
|
register_icall (mono_string_from_byvalstr, "mono_string_from_byvalstr", "obj ptr int", FALSE);
|
register_icall (mono_string_from_byvalwstr, "mono_string_from_byvalwstr", "obj ptr int", FALSE);
|
register_icall (mono_string_new_wrapper, "mono_string_new_wrapper", "obj ptr", FALSE);
|
register_icall (ves_icall_string_new_wrapper, "ves_icall_string_new_wrapper", "obj ptr", FALSE);
|
register_icall (mono_string_new_len_wrapper, "mono_string_new_len_wrapper", "obj ptr int", FALSE);
|
register_icall (ves_icall_mono_string_to_utf8, "ves_icall_mono_string_to_utf8", "ptr obj", FALSE);
|
register_icall (mono_string_to_utf8str, "mono_string_to_utf8str", "ptr obj", FALSE);
|
register_icall (mono_string_to_ansibstr, "mono_string_to_ansibstr", "ptr object", FALSE);
|
register_icall (mono_string_builder_to_utf8, "mono_string_builder_to_utf8", "ptr object", FALSE);
|
register_icall (mono_string_builder_to_utf16, "mono_string_builder_to_utf16", "ptr object", FALSE);
|
register_icall (mono_array_to_savearray, "mono_array_to_savearray", "ptr object", FALSE);
|
register_icall (mono_array_to_lparray, "mono_array_to_lparray", "ptr object", FALSE);
|
register_icall (mono_free_lparray, "mono_free_lparray", "void object ptr", FALSE);
|
register_icall (mono_byvalarray_to_array, "mono_byvalarray_to_array", "void object ptr ptr int32", FALSE);
|
register_icall (mono_byvalarray_to_byte_array, "mono_byvalarray_to_byte_array", "void object ptr int32", FALSE);
|
register_icall (mono_array_to_byvalarray, "mono_array_to_byvalarray", "void ptr object ptr int32", FALSE);
|
register_icall (mono_array_to_byte_byvalarray, "mono_array_to_byte_byvalarray", "void ptr object int32", FALSE);
|
register_icall (mono_delegate_to_ftnptr, "mono_delegate_to_ftnptr", "ptr object", FALSE);
|
register_icall (mono_ftnptr_to_delegate, "mono_ftnptr_to_delegate", "object ptr ptr", FALSE);
|
register_icall (mono_marshal_asany, "mono_marshal_asany", "ptr object int32 int32", FALSE);
|
register_icall (mono_marshal_free_asany, "mono_marshal_free_asany", "void object ptr int32 int32", FALSE);
|
register_icall (ves_icall_marshal_alloc, "ves_icall_marshal_alloc", "ptr ptr", FALSE);
|
register_icall (mono_marshal_free, "mono_marshal_free", "void ptr", FALSE);
|
register_icall (mono_marshal_set_last_error, "mono_marshal_set_last_error", "void", TRUE);
|
register_icall (mono_marshal_set_last_error_windows, "mono_marshal_set_last_error_windows", "void int32", TRUE);
|
register_icall (mono_string_utf8_to_builder, "mono_string_utf8_to_builder", "void ptr ptr", FALSE);
|
register_icall (mono_string_utf8_to_builder2, "mono_string_utf8_to_builder2", "object ptr", FALSE);
|
register_icall (mono_string_utf16_to_builder, "mono_string_utf16_to_builder", "void ptr ptr", FALSE);
|
register_icall (mono_string_utf16_to_builder2, "mono_string_utf16_to_builder2", "object ptr", FALSE);
|
register_icall (mono_marshal_free_array, "mono_marshal_free_array", "void ptr int32", FALSE);
|
register_icall (mono_string_to_byvalstr, "mono_string_to_byvalstr", "void ptr ptr int32", FALSE);
|
register_icall (mono_string_to_byvalwstr, "mono_string_to_byvalwstr", "void ptr ptr int32", FALSE);
|
register_icall (g_free, "g_free", "void ptr", FALSE);
|
register_icall_no_wrapper (mono_object_isinst_icall, "mono_object_isinst_icall", "object object ptr");
|
register_icall (mono_struct_delete_old, "mono_struct_delete_old", "void ptr ptr", FALSE);
|
register_icall (mono_delegate_begin_invoke, "mono_delegate_begin_invoke", "object object ptr", FALSE);
|
register_icall (mono_delegate_end_invoke, "mono_delegate_end_invoke", "object object ptr", FALSE);
|
register_icall (mono_gc_wbarrier_generic_nostore, "wb_generic", "void ptr", FALSE);
|
register_icall (mono_gchandle_get_target, "mono_gchandle_get_target", "object int32", TRUE);
|
register_icall (mono_gchandle_new, "mono_gchandle_new", "uint32 object bool", TRUE);
|
register_icall (mono_marshal_isinst_with_cache, "mono_marshal_isinst_with_cache", "object object ptr ptr", FALSE);
|
register_icall (mono_marshal_ftnptr_eh_callback, "mono_marshal_ftnptr_eh_callback", "void uint32", TRUE);
|
register_icall (mono_threads_enter_gc_safe_region_unbalanced, "mono_threads_enter_gc_safe_region_unbalanced", "ptr ptr", TRUE);
|
register_icall (mono_threads_exit_gc_safe_region_unbalanced, "mono_threads_exit_gc_safe_region_unbalanced", "void ptr ptr", TRUE);
|
register_icall (mono_threads_attach_coop, "mono_threads_attach_coop", "ptr ptr ptr", TRUE);
|
register_icall (mono_threads_detach_coop, "mono_threads_detach_coop", "void ptr ptr", TRUE);
|
register_icall (mono_icall_start, "mono_icall_start", "ptr ptr ptr", TRUE);
|
register_icall (mono_icall_end, "mono_icall_end", "void ptr ptr ptr", TRUE);
|
register_icall (mono_icall_handle_new, "mono_icall_handle_new", "ptr ptr", TRUE);
|
register_icall (mono_icall_handle_new_interior, "mono_icall_handle_new_interior", "ptr ptr", TRUE);
|
|
mono_cominterop_init ();
|
mono_remoting_init ();
|
|
mono_counters_register ("MonoClass::class_marshal_info_count count",
|
MONO_COUNTER_METADATA | MONO_COUNTER_INT, &class_marshal_info_count);
|
|
}
|
}
|
|
void
|
mono_marshal_cleanup (void)
|
{
|
mono_cominterop_cleanup ();
|
|
mono_native_tls_free (load_type_info_tls_id);
|
mono_native_tls_free (last_error_tls_id);
|
mono_os_mutex_destroy (&marshal_mutex);
|
marshal_mutex_initialized = FALSE;
|
}
|
|
void
|
mono_marshal_lock_internal (void)
|
{
|
mono_marshal_lock ();
|
}
|
|
void
|
mono_marshal_unlock_internal (void)
|
{
|
mono_marshal_unlock ();
|
}
|
|
/* This is a JIT icall, it sets the pending exception and return NULL on error */
|
gpointer
|
mono_delegate_to_ftnptr (MonoDelegate *delegate_raw)
|
{
|
HANDLE_FUNCTION_ENTER ();
|
MonoError error;
|
MONO_HANDLE_DCL (MonoDelegate, delegate);
|
gpointer result = mono_delegate_handle_to_ftnptr (delegate, &error);
|
mono_error_set_pending_exception (&error);
|
HANDLE_FUNCTION_RETURN_VAL (result);
|
}
|
|
gpointer
|
mono_delegate_handle_to_ftnptr (MonoDelegateHandle delegate, MonoError *error)
|
{
|
HANDLE_FUNCTION_ENTER ();
|
gpointer result = NULL;
|
error_init (error);
|
MonoMethod *method, *wrapper;
|
MonoClass *klass;
|
uint32_t target_handle = 0;
|
|
if (MONO_HANDLE_IS_NULL (delegate))
|
goto leave;
|
|
if (MONO_HANDLE_GETVAL (delegate, delegate_trampoline)) {
|
result = MONO_HANDLE_GETVAL (delegate, delegate_trampoline);
|
goto leave;
|
}
|
|
klass = mono_handle_class (delegate);
|
g_assert (klass->delegate);
|
|
method = MONO_HANDLE_GETVAL (delegate, method);
|
if (MONO_HANDLE_GETVAL (delegate, method_is_virtual)) {
|
MonoObjectHandle delegate_target = MONO_HANDLE_NEW_GET (MonoObject, delegate, target);
|
method = mono_object_handle_get_virtual_method (delegate_target, method, error);
|
goto_if_nok (error, leave);
|
}
|
|
if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
|
const char *exc_class, *exc_arg;
|
gpointer ftnptr;
|
|
ftnptr = mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
|
if (!ftnptr) {
|
g_assert (exc_class);
|
mono_error_set_generic_error (error, "System", exc_class, "%s", exc_arg);
|
goto leave;
|
}
|
result = ftnptr;
|
goto leave;
|
}
|
|
MonoObjectHandle delegate_target = MONO_HANDLE_NEW_GET (MonoObject, delegate, target);
|
if (!MONO_HANDLE_IS_NULL (delegate_target)) {
|
/* Produce a location which can be embedded in JITted code */
|
target_handle = mono_gchandle_new_weakref (MONO_HANDLE_RAW (delegate_target), FALSE); /* FIXME: a version of mono_gchandle_new_weakref that takes a coop handle */
|
}
|
|
wrapper = mono_marshal_get_managed_wrapper (method, klass, target_handle, error);
|
goto_if_nok (error, leave);
|
|
MONO_HANDLE_SETVAL (delegate, delegate_trampoline, gpointer, mono_compile_method_checked (wrapper, error));
|
goto_if_nok (error, leave);
|
|
// Add the delegate to the delegate hash table
|
delegate_hash_table_add (delegate);
|
|
/* when the object is collected, collect the dynamic method, too */
|
mono_object_register_finalizer ((MonoObject*) MONO_HANDLE_RAW (delegate));
|
|
result = MONO_HANDLE_GETVAL (delegate, delegate_trampoline);
|
|
leave:
|
if (!is_ok (error) && target_handle != 0)
|
mono_gchandle_free (target_handle);
|
HANDLE_FUNCTION_RETURN_VAL (result);
|
}
|
|
/*
|
* this hash table maps from a delegate trampoline object to a weak reference
|
* of the delegate. As an optimizations with a non-moving GC we store the
|
* object pointer itself, otherwise we use a GC handle.
|
*/
|
static GHashTable *delegate_hash_table;
|
|
static GHashTable *
|
delegate_hash_table_new (void) {
|
return g_hash_table_new (NULL, NULL);
|
}
|
|
static void
|
delegate_hash_table_remove (MonoDelegate *d)
|
{
|
guint32 gchandle = 0;
|
|
mono_marshal_lock ();
|
if (delegate_hash_table == NULL)
|
delegate_hash_table = delegate_hash_table_new ();
|
if (mono_gc_is_moving ())
|
gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, d->delegate_trampoline));
|
g_hash_table_remove (delegate_hash_table, d->delegate_trampoline);
|
mono_marshal_unlock ();
|
if (gchandle && mono_gc_is_moving ())
|
mono_gchandle_free (gchandle);
|
}
|
|
static void
|
delegate_hash_table_add (MonoDelegateHandle d)
|
{
|
guint32 gchandle;
|
guint32 old_gchandle;
|
|
mono_marshal_lock ();
|
if (delegate_hash_table == NULL)
|
delegate_hash_table = delegate_hash_table_new ();
|
gpointer delegate_trampoline = MONO_HANDLE_GETVAL (d, delegate_trampoline);
|
if (mono_gc_is_moving ()) {
|
gchandle = mono_gchandle_new_weakref ((MonoObject*) MONO_HANDLE_RAW (d), FALSE);
|
old_gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, delegate_trampoline));
|
g_hash_table_insert (delegate_hash_table, delegate_trampoline, GUINT_TO_POINTER (gchandle));
|
if (old_gchandle)
|
mono_gchandle_free (old_gchandle);
|
} else {
|
g_hash_table_insert (delegate_hash_table, delegate_trampoline, MONO_HANDLE_RAW (d));
|
}
|
mono_marshal_unlock ();
|
}
|
|
/*
|
* mono_marshal_use_aot_wrappers:
|
*
|
* Instructs this module to use AOT compatible wrappers.
|
*/
|
void
|
mono_marshal_use_aot_wrappers (gboolean use)
|
{
|
use_aot_wrappers = use;
|
}
|
|
static void
|
parse_unmanaged_function_pointer_attr (MonoClass *klass, MonoMethodPInvoke *piinfo)
|
{
|
MonoError error;
|
MonoCustomAttrInfo *cinfo;
|
MonoReflectionUnmanagedFunctionPointerAttribute *attr;
|
|
/* The attribute is only available in Net 2.0 */
|
if (mono_class_try_get_unmanaged_function_pointer_attribute_class ()) {
|
/*
|
* The pinvoke attributes are stored in a real custom attribute so we have to
|
* construct it.
|
*/
|
cinfo = mono_custom_attrs_from_class_checked (klass, &error);
|
if (!mono_error_ok (&error)) {
|
g_warning ("Could not load UnmanagedFunctionPointerAttribute due to %s", mono_error_get_message (&error));
|
mono_error_cleanup (&error);
|
}
|
if (cinfo && !mono_runtime_get_no_exec ()) {
|
attr = (MonoReflectionUnmanagedFunctionPointerAttribute*)mono_custom_attrs_get_attr_checked (cinfo, mono_class_try_get_unmanaged_function_pointer_attribute_class (), &error);
|
if (attr) {
|
piinfo->piflags = (attr->call_conv << 8) | (attr->charset ? (attr->charset - 1) * 2 : 1) | attr->set_last_error;
|
} else {
|
if (!mono_error_ok (&error)) {
|
g_warning ("Could not load UnmanagedFunctionPointerAttribute due to %s", mono_error_get_message (&error));
|
mono_error_cleanup (&error);
|
}
|
}
|
if (!cinfo->cached)
|
mono_custom_attrs_free (cinfo);
|
}
|
}
|
}
|
|
/* This is a JIT icall, it sets the pending exception and returns NULL on error */
|
MonoDelegate*
|
mono_ftnptr_to_delegate (MonoClass *klass, gpointer ftn)
|
{
|
HANDLE_FUNCTION_ENTER ();
|
MonoError error;
|
MonoDelegateHandle result = mono_ftnptr_to_delegate_handle (klass, ftn, &error);
|
mono_error_set_pending_exception (&error);
|
HANDLE_FUNCTION_RETURN_OBJ (result);
|
}
|
|
MonoDelegateHandle
|
mono_ftnptr_to_delegate_handle (MonoClass *klass, gpointer ftn, MonoError *error)
|
{
|
HANDLE_FUNCTION_ENTER ();
|
error_init (error);
|
guint32 gchandle;
|
MonoDelegateHandle d = MONO_HANDLE_NEW (MonoDelegate, NULL);
|
|
if (ftn == NULL)
|
goto leave;
|
|
mono_marshal_lock ();
|
if (delegate_hash_table == NULL)
|
delegate_hash_table = delegate_hash_table_new ();
|
|
if (mono_gc_is_moving ()) {
|
gchandle = GPOINTER_TO_UINT (g_hash_table_lookup (delegate_hash_table, ftn));
|
mono_marshal_unlock ();
|
if (gchandle)
|
MONO_HANDLE_ASSIGN (d, MONO_HANDLE_CAST (MonoDelegate, mono_gchandle_get_target_handle (gchandle)));
|
} else {
|
MONO_HANDLE_ASSIGN (d, MONO_HANDLE_NEW (MonoDelegate, g_hash_table_lookup (delegate_hash_table, ftn)));
|
mono_marshal_unlock ();
|
}
|
if (MONO_HANDLE_IS_NULL (d)) {
|
/* This is a native function, so construct a delegate for it */
|
MonoMethodSignature *sig;
|
MonoMethod *wrapper;
|
MonoMarshalSpec **mspecs;
|
MonoMethod *invoke = mono_get_delegate_invoke (klass);
|
MonoMethodPInvoke piinfo;
|
MonoObjectHandle this_obj;
|
int i;
|
|
if (use_aot_wrappers) {
|
wrapper = mono_marshal_get_native_func_wrapper_aot (klass);
|
this_obj = MONO_HANDLE_NEW (MonoObject, mono_value_box_checked (mono_domain_get (), mono_defaults.int_class, &ftn, error));
|
goto_if_nok (error, leave);
|
} else {
|
memset (&piinfo, 0, sizeof (piinfo));
|
parse_unmanaged_function_pointer_attr (klass, &piinfo);
|
|
mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
|
mono_method_get_marshal_info (invoke, mspecs);
|
/* Freed below so don't alloc from mempool */
|
sig = mono_metadata_signature_dup (mono_method_signature (invoke));
|
sig->hasthis = 0;
|
|
wrapper = mono_marshal_get_native_func_wrapper (klass->image, sig, &piinfo, mspecs, ftn);
|
this_obj = MONO_HANDLE_NEW (MonoObject, NULL);
|
|
for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
|
if (mspecs [i])
|
mono_metadata_free_marshal_spec (mspecs [i]);
|
g_free (mspecs);
|
g_free (sig);
|
}
|
|
MONO_HANDLE_ASSIGN (d, MONO_HANDLE_NEW (MonoDelegate, mono_object_new_checked (mono_domain_get (), klass, error)));
|
goto_if_nok (error, leave);
|
gpointer compiled_ptr = mono_compile_method_checked (wrapper, error);
|
goto_if_nok (error, leave);
|
|
mono_delegate_ctor_with_method (MONO_HANDLE_CAST (MonoObject, d), this_obj, compiled_ptr, wrapper, error);
|
goto_if_nok (error, leave);
|
}
|
|
g_assert (!MONO_HANDLE_IS_NULL (d));
|
if (MONO_HANDLE_DOMAIN (d) != mono_domain_get ())
|
mono_error_set_not_supported (error, "Delegates cannot be marshalled from native code into a domain other than their home domain");
|
|
leave:
|
HANDLE_FUNCTION_RETURN_REF (MonoDelegate, d);
|
}
|
|
void
|
mono_delegate_free_ftnptr (MonoDelegate *delegate)
|
{
|
MonoJitInfo *ji;
|
void *ptr;
|
|
delegate_hash_table_remove (delegate);
|
|
ptr = (gpointer)mono_atomic_xchg_ptr (&delegate->delegate_trampoline, NULL);
|
|
if (!delegate->target) {
|
/* The wrapper method is shared between delegates -> no need to free it */
|
return;
|
}
|
|
if (ptr) {
|
uint32_t gchandle;
|
void **method_data;
|
MonoMethod *method;
|
|
ji = mono_jit_info_table_find (mono_domain_get (), (char *)mono_get_addr_from_ftnptr (ptr));
|
g_assert (ji);
|
|
method = mono_jit_info_get_method (ji);
|
method_data = (void **)((MonoMethodWrapper*)method)->method_data;
|
|
/*the target gchandle is the first entry after size and the wrapper itself.*/
|
gchandle = GPOINTER_TO_UINT (method_data [2]);
|
|
if (gchandle)
|
mono_gchandle_free (gchandle);
|
|
mono_runtime_free_method (mono_object_domain (delegate), method);
|
}
|
}
|
|
/* This is a JIT icall, it sets the pending exception and returns NULL on error */
|
static MonoString *
|
mono_string_from_byvalstr (const char *data, int max_len)
|
{
|
MonoError error;
|
MonoDomain *domain = mono_domain_get ();
|
int len = 0;
|
|
if (!data)
|
return NULL;
|
|
while (len < max_len - 1 && data [len])
|
len++;
|
|
MonoString *result = mono_string_new_len_checked (domain, data, len, &error);
|
mono_error_set_pending_exception (&error);
|
return result;
|
}
|
|
/* This is a JIT icall, it sets the pending exception and return NULL on error */
|
static MonoString *
|
mono_string_from_byvalwstr (gunichar2 *data, int max_len)
|
{
|
MonoError error;
|
MonoString *res = NULL;
|
MonoDomain *domain = mono_domain_get ();
|
int len = 0;
|
|
if (!data)
|
return NULL;
|
|
while (data [len]) len++;
|
|
res = mono_string_new_utf16_checked (domain, data, MIN (len, max_len), &error);
|
if (!mono_error_ok (&error)) {
|
mono_error_set_pending_exception (&error);
|
return NULL;
|
}
|
return res;
|
}
|
|
gpointer
|
mono_array_to_savearray (MonoArray *array)
|
{
|
if (!array)
|
return NULL;
|
|
g_assert_not_reached ();
|
return NULL;
|
}
|
|
gpointer
|
mono_array_to_lparray (MonoArray *array)
|
{
|
#ifndef DISABLE_COM
|
gpointer *nativeArray = NULL;
|
int nativeArraySize = 0;
|
|
int i = 0;
|
MonoClass *klass;
|
MonoError error;
|
#endif
|
|
if (!array)
|
return NULL;
|
#ifndef DISABLE_COM
|
error_init (&error);
|
klass = array->obj.vtable->klass;
|
|
switch (klass->element_class->byval_arg.type) {
|
case MONO_TYPE_VOID:
|
g_assert_not_reached ();
|
break;
|
case MONO_TYPE_CLASS:
|
nativeArraySize = array->max_length;
|
nativeArray = (void **)g_malloc (sizeof(gpointer) * nativeArraySize);
|
for(i = 0; i < nativeArraySize; ++i) {
|
nativeArray[i] = mono_cominterop_get_com_interface (((MonoObject **)array->vector)[i], klass->element_class, &error);
|
if (mono_error_set_pending_exception (&error))
|
break;
|
}
|
return nativeArray;
|
case MONO_TYPE_U1:
|
case MONO_TYPE_BOOLEAN:
|
case MONO_TYPE_I1:
|
case MONO_TYPE_U2:
|
case MONO_TYPE_CHAR:
|
case MONO_TYPE_I2:
|
case MONO_TYPE_I:
|
case MONO_TYPE_U:
|
case MONO_TYPE_I4:
|
case MONO_TYPE_U4:
|
case MONO_TYPE_U8:
|
case MONO_TYPE_I8:
|
case MONO_TYPE_R4:
|
case MONO_TYPE_R8:
|
case MONO_TYPE_VALUETYPE:
|
case MONO_TYPE_PTR:
|
/* nothing to do */
|
break;
|
case MONO_TYPE_GENERICINST:
|
case MONO_TYPE_OBJECT:
|
case MONO_TYPE_ARRAY:
|
case MONO_TYPE_SZARRAY:
|
case MONO_TYPE_STRING:
|
default:
|
g_warning ("type 0x%x not handled", klass->element_class->byval_arg.type);
|
g_assert_not_reached ();
|
}
|
#endif
|
return array->vector;
|
}
|
|
void
|
mono_free_lparray (MonoArray *array, gpointer* nativeArray)
|
{
|
#ifndef DISABLE_COM
|
MonoClass *klass;
|
|
if (!array)
|
return;
|
|
if (!nativeArray)
|
return;
|
klass = array->obj.vtable->klass;
|
|
if (klass->element_class->byval_arg.type == MONO_TYPE_CLASS)
|
g_free (nativeArray);
|
#endif
|
}
|
|
static void
|
mono_byvalarray_to_array (MonoArray *arr, gpointer native_arr, MonoClass *elclass, guint32 elnum)
|
{
|
g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
|
|
if (elclass == mono_defaults.byte_class) {
|
GError *error = NULL;
|
guint16 *ut;
|
glong items_written;
|
|
ut = g_utf8_to_utf16 ((const gchar *)native_arr, elnum, NULL, &items_written, &error);
|
|
if (!error) {
|
memcpy (mono_array_addr (arr, guint16, 0), ut, items_written * sizeof (guint16));
|
g_free (ut);
|
}
|
else
|
g_error_free (error);
|
}
|
else
|
g_assert_not_reached ();
|
}
|
|
static void
|
mono_byvalarray_to_byte_array (MonoArray *arr, gpointer native_arr, guint32 elnum)
|
{
|
mono_byvalarray_to_array (arr, native_arr, mono_defaults.byte_class, elnum);
|
}
|
|
/* This is a JIT icall, it sets the pending exception and returns on error */
|
static void
|
mono_array_to_byvalarray (gpointer native_arr, MonoArray *arr, MonoClass *elclass, guint32 elnum)
|
{
|
g_assert (arr->obj.vtable->klass->element_class == mono_defaults.char_class);
|
|
if (elclass == mono_defaults.byte_class) {
|
char *as;
|
GError *error = NULL;
|
|
as = g_utf16_to_utf8 (mono_array_addr (arr, gunichar2, 0), mono_array_length (arr), NULL, NULL, &error);
|
if (error) {
|
mono_set_pending_exception (mono_get_exception_argument ("string", error->message));
|
g_error_free (error);
|
return;
|
}
|
|
memcpy (native_arr, as, MIN (strlen (as), elnum));
|
g_free (as);
|
} else {
|
g_assert_not_reached ();
|
}
|
}
|
|
static void
|
mono_array_to_byte_byvalarray (gpointer native_arr, MonoArray *arr, guint32 elnum)
|
{
|
mono_array_to_byvalarray (native_arr, arr, mono_defaults.byte_class, elnum);
|
}
|
|
static MonoStringBuilder *
|
mono_string_builder_new (int starting_string_length)
|
{
|
static MonoClass *string_builder_class;
|
static MonoMethod *sb_ctor;
|
static void *args [1];
|
|
MonoError error;
|
int initial_len = starting_string_length;
|
|
if (initial_len < 0)
|
initial_len = 0;
|
|
if (!sb_ctor) {
|
MonoMethodDesc *desc;
|
MonoMethod *m;
|
|
string_builder_class = mono_class_get_string_builder_class ();
|
g_assert (string_builder_class);
|
desc = mono_method_desc_new (":.ctor(int)", FALSE);
|
m = mono_method_desc_search_in_class (desc, string_builder_class);
|
g_assert (m);
|
mono_method_desc_free (desc);
|
mono_memory_barrier ();
|
sb_ctor = m;
|
}
|
|
// We make a new array in the _to_builder function, so this
|
// array will always be garbage collected.
|
args [0] = &initial_len;
|
|
MonoStringBuilder *sb = (MonoStringBuilder*)mono_object_new_checked (mono_domain_get (), string_builder_class, &error);
|
mono_error_assert_ok (&error);
|
|
MonoObject *exc;
|
mono_runtime_try_invoke (sb_ctor, sb, args, &exc, &error);
|
g_assert (exc == NULL);
|
mono_error_assert_ok (&error);
|
|
g_assert (sb->chunkChars->max_length >= initial_len);
|
|
return sb;
|
}
|
|
static void
|
mono_string_utf16_to_builder_copy (MonoStringBuilder *sb, gunichar2 *text, size_t string_len)
|
{
|
gunichar2 *charDst = (gunichar2 *)sb->chunkChars->vector;
|
gunichar2 *charSrc = (gunichar2 *)text;
|
memcpy (charDst, charSrc, sizeof (gunichar2) * string_len);
|
|
sb->chunkLength = string_len;
|
|
return;
|
}
|
|
MonoStringBuilder *
|
mono_string_utf16_to_builder2 (gunichar2 *text)
|
{
|
if (!text)
|
return NULL;
|
|
int len;
|
for (len = 0; text [len] != 0; ++len);
|
|
MonoStringBuilder *sb = mono_string_builder_new (len);
|
mono_string_utf16_to_builder (sb, text);
|
|
return sb;
|
}
|
|
void
|
mono_string_utf8_to_builder (MonoStringBuilder *sb, char *text)
|
{
|
if (!sb || !text)
|
return;
|
|
GError *error = NULL;
|
glong copied;
|
gunichar2* ut = g_utf8_to_utf16 (text, strlen (text), NULL, &copied, &error);
|
int capacity = mono_string_builder_capacity (sb);
|
|
if (copied > capacity)
|
copied = capacity;
|
|
if (!error) {
|
MONO_OBJECT_SETREF (sb, chunkPrevious, NULL);
|
mono_string_utf16_to_builder_copy (sb, ut, copied);
|
} else
|
g_error_free (error);
|
|
g_free (ut);
|
}
|
|
MonoStringBuilder *
|
mono_string_utf8_to_builder2 (char *text)
|
{
|
if (!text)
|
return NULL;
|
|
int len = strlen (text);
|
MonoStringBuilder *sb = mono_string_builder_new (len);
|
mono_string_utf8_to_builder (sb, text);
|
|
return sb;
|
}
|
|
void
|
mono_string_utf16_to_builder (MonoStringBuilder *sb, gunichar2 *text)
|
{
|
if (!sb || !text)
|
return;
|
|
guint32 len;
|
for (len = 0; text [len] != 0; ++len);
|
|
if (len > mono_string_builder_capacity (sb))
|
len = mono_string_builder_capacity (sb);
|
|
mono_string_utf16_to_builder_copy (sb, text, len);
|
}
|
|
/**
|
* mono_string_builder_to_utf8:
|
* \param sb the string builder
|
*
|
* Converts to utf8 the contents of the \c MonoStringBuilder .
|
*
|
* \returns a utf8 string with the contents of the \c StringBuilder .
|
*
|
* The return value must be released with mono_marshal_free.
|
*
|
* This is a JIT icall, it sets the pending exception and returns NULL on error.
|
*/
|
gchar*
|
mono_string_builder_to_utf8 (MonoStringBuilder *sb)
|
{
|
MonoError error;
|
GError *gerror = NULL;
|
glong byte_count;
|
if (!sb)
|
return NULL;
|
|
gunichar2 *str_utf16 = mono_string_builder_to_utf16 (sb);
|
|
guint str_len = mono_string_builder_string_length (sb);
|
|
gchar *tmp = g_utf16_to_utf8 (str_utf16, str_len, NULL, &byte_count, &gerror);
|
|
if (gerror) {
|
g_error_free (gerror);
|
mono_marshal_free (str_utf16);
|
mono_set_pending_exception (mono_get_exception_execution_engine ("Failed to convert StringBuilder from utf16 to utf8"));
|
return NULL;
|
} else {
|
guint len = mono_string_builder_capacity (sb) + 1;
|
gchar *res = (gchar *)mono_marshal_alloc (MAX (byte_count+1, len * sizeof (gchar)), &error);
|
if (!mono_error_ok (&error)) {
|
mono_marshal_free (str_utf16);
|
g_free (tmp);
|
mono_error_set_pending_exception (&error);
|
return NULL;
|
}
|
|
memcpy (res, tmp, byte_count);
|
res[byte_count] = '\0';
|
|
mono_marshal_free (str_utf16);
|
g_free (tmp);
|
return res;
|
}
|
}
|
|
/**
|
* mono_string_builder_to_utf16:
|
* \param sb the string builder
|
*
|
* Converts to utf16 the contents of the \c MonoStringBuilder .
|
*
|
* Returns: a utf16 string with the contents of the \c StringBuilder .
|
*
|
* The return value must be released with mono_marshal_free.
|
*
|
* This is a JIT icall, it sets the pending exception and returns NULL on error.
|
*/
|
gunichar2*
|
mono_string_builder_to_utf16 (MonoStringBuilder *sb)
|
{
|
MonoError error;
|
|
if (!sb)
|
return NULL;
|
|
g_assert (sb->chunkChars);
|
|
guint len = mono_string_builder_capacity (sb);
|
|
if (len == 0)
|
len = 1;
|
|
gunichar2 *str = (gunichar2 *)mono_marshal_alloc ((len + 1) * sizeof (gunichar2), &error);
|
if (!mono_error_ok (&error)) {
|
mono_error_set_pending_exception (&error);
|
return NULL;
|
}
|
|
str[len] = '\0';
|
|
if (len == 0)
|
return str;
|
|
MonoStringBuilder* chunk = sb;
|
do {
|
if (chunk->chunkLength > 0) {
|
// Check that we will not overrun our boundaries.
|
gunichar2 *source = (gunichar2 *)chunk->chunkChars->vector;
|
|
if (chunk->chunkLength <= len) {
|
memcpy (str + chunk->chunkOffset, source, chunk->chunkLength * sizeof(gunichar2));
|
} else {
|
g_error ("A chunk in the StringBuilder had a length longer than expected from the offset.");
|
}
|
|
len -= chunk->chunkLength;
|
}
|
chunk = chunk->chunkPrevious;
|
} while (chunk != NULL);
|
|
return str;
|
}
|
|
#ifndef HOST_WIN32
|
/* This is a JIT icall, it sets the pending exception and returns NULL on error. */
|
static gpointer
|
mono_string_to_utf8str (MonoString *s)
|
{
|
MonoError error;
|
char *result = mono_string_to_utf8_checked (s, &error);
|
mono_error_set_pending_exception (&error);
|
return result;
|
}
|
#endif
|
|
gpointer
|
mono_string_to_ansibstr (MonoString *string_obj)
|
{
|
g_error ("UnmanagedMarshal.BStr is not implemented.");
|
return NULL;
|
}
|
|
/**
|
* mono_string_to_byvalstr:
|
* \param dst Where to store the null-terminated utf8 decoded string.
|
* \param src the \c MonoString to copy.
|
* \param size the maximum number of bytes to copy.
|
*
|
* Copies the \c MonoString pointed to by \p src as a utf8 string
|
* into \p dst, it copies at most \p size bytes into the destination.
|
*/
|
void
|
mono_string_to_byvalstr (gpointer dst, MonoString *src, int size)
|
{
|
MonoError error;
|
char *s;
|
int len;
|
|
g_assert (dst != NULL);
|
g_assert (size > 0);
|
|
memset (dst, 0, size);
|
if (!src)
|
return;
|
|
s = mono_string_to_utf8_checked (src, &error);
|
if (mono_error_set_pending_exception (&error))
|
return;
|
len = MIN (size, strlen (s));
|
if (len >= size)
|
len--;
|
memcpy (dst, s, len);
|
g_free (s);
|
}
|
|
/**
|
* mono_string_to_byvalwstr:
|
* \param dst Where to store the null-terminated utf16 decoded string.
|
* \param src the \c MonoString to copy.
|
* \param size the maximum number of wide characters to copy (each consumes 2 bytes)
|
*
|
* Copies the \c MonoString pointed to by \p src as a utf16 string into
|
* \p dst, it copies at most \p size bytes into the destination (including
|
* a terminating 16-bit zero terminator).
|
*/
|
void
|
mono_string_to_byvalwstr (gpointer dst, MonoString *src, int size)
|
{
|
int len;
|
|
g_assert (dst != NULL);
|
g_assert (size > 1);
|
|
if (!src) {
|
memset (dst, 0, size * 2);
|
return;
|
}
|
|
len = MIN (size, (mono_string_length (src)));
|
memcpy (dst, mono_string_chars (src), len * 2);
|
if (size <= mono_string_length (src))
|
len--;
|
*((gunichar2 *) dst + len) = 0;
|
}
|
|
/* this is an icall, it sets the pending exception and returns NULL on error */
|
static MonoString*
|
mono_string_new_len_wrapper (const char *text, guint length)
|
{
|
MonoError error;
|
MonoString *result = mono_string_new_len_checked (mono_domain_get (), text, length, &error);
|
mono_error_set_pending_exception (&error);
|
return result;
|
}
|
|
#ifdef ENABLE_ILGEN
|
|
/*
|
* mono_mb_emit_exception_marshal_directive:
|
*
|
* This function assumes ownership of MSG, which should be malloc-ed.
|
*/
|
static void
|
mono_mb_emit_exception_marshal_directive (MonoMethodBuilder *mb, char *msg)
|
{
|
char *s;
|
|
if (!mb->dynamic) {
|
s = mono_image_strdup (mb->method->klass->image, msg);
|
g_free (msg);
|
} else {
|
s = g_strdup (msg);
|
}
|
mono_mb_emit_exception_full (mb, "System.Runtime.InteropServices", "MarshalDirectiveException", s);
|
}
|
#endif /* ENABLE_ILGEN */
|
|
guint
|
mono_type_to_ldind (MonoType *type)
|
{
|
if (type->byref)
|
return CEE_LDIND_I;
|
|
handle_enum:
|
switch (type->type) {
|
case MONO_TYPE_I1:
|
return CEE_LDIND_I1;
|
case MONO_TYPE_U1:
|
case MONO_TYPE_BOOLEAN:
|
return CEE_LDIND_U1;
|
case MONO_TYPE_I2:
|
return CEE_LDIND_I2;
|
case MONO_TYPE_U2:
|
case MONO_TYPE_CHAR:
|
return CEE_LDIND_U2;
|
case MONO_TYPE_I4:
|
return CEE_LDIND_I4;
|
case MONO_TYPE_U4:
|
return CEE_LDIND_U4;
|
case MONO_TYPE_I:
|
case MONO_TYPE_U:
|
case MONO_TYPE_PTR:
|
case MONO_TYPE_FNPTR:
|
return CEE_LDIND_I;
|
case MONO_TYPE_CLASS:
|
case MONO_TYPE_STRING:
|
case MONO_TYPE_OBJECT:
|
case MONO_TYPE_SZARRAY:
|
case MONO_TYPE_ARRAY:
|
return CEE_LDIND_REF;
|
case MONO_TYPE_I8:
|
case MONO_TYPE_U8:
|
return CEE_LDIND_I8;
|
case MONO_TYPE_R4:
|
return CEE_LDIND_R4;
|
case MONO_TYPE_R8:
|
return CEE_LDIND_R8;
|
case MONO_TYPE_VALUETYPE:
|
if (type->data.klass->enumtype) {
|
type = mono_class_enum_basetype (type->data.klass);
|
goto handle_enum;
|
}
|
return CEE_LDOBJ;
|
case MONO_TYPE_TYPEDBYREF:
|
return CEE_LDOBJ;
|
case MONO_TYPE_GENERICINST:
|
type = &type->data.generic_class->container_class->byval_arg;
|
goto handle_enum;
|
default:
|
g_error ("unknown type 0x%02x in type_to_ldind", type->type);
|
}
|
return -1;
|
}
|
|
guint
|
mono_type_to_stind (MonoType *type)
|
{
|
if (type->byref)
|
return MONO_TYPE_IS_REFERENCE (type) ? CEE_STIND_REF : CEE_STIND_I;
|
|
|
handle_enum:
|
switch (type->type) {
|
case MONO_TYPE_I1:
|
case MONO_TYPE_U1:
|
case MONO_TYPE_BOOLEAN:
|
return CEE_STIND_I1;
|
case MONO_TYPE_I2:
|
case MONO_TYPE_U2:
|
case MONO_TYPE_CHAR:
|
return CEE_STIND_I2;
|
case MONO_TYPE_I4:
|
case MONO_TYPE_U4:
|
return CEE_STIND_I4;
|
case MONO_TYPE_I:
|
case MONO_TYPE_U:
|
case MONO_TYPE_PTR:
|
case MONO_TYPE_FNPTR:
|
return CEE_STIND_I;
|
case MONO_TYPE_CLASS:
|
case MONO_TYPE_STRING:
|
case MONO_TYPE_OBJECT:
|
case MONO_TYPE_SZARRAY:
|
case MONO_TYPE_ARRAY:
|
return CEE_STIND_REF;
|
case MONO_TYPE_I8:
|
case MONO_TYPE_U8:
|
return CEE_STIND_I8;
|
case MONO_TYPE_R4:
|
return CEE_STIND_R4;
|
case MONO_TYPE_R8:
|
return CEE_STIND_R8;
|
case MONO_TYPE_VALUETYPE:
|
if (type->data.klass->enumtype) {
|
type = mono_class_enum_basetype (type->data.klass);
|
goto handle_enum;
|
}
|
return CEE_STOBJ;
|
case MONO_TYPE_TYPEDBYREF:
|
return CEE_STOBJ;
|
case MONO_TYPE_GENERICINST:
|
type = &type->data.generic_class->container_class->byval_arg;
|
goto handle_enum;
|
default:
|
g_error ("unknown type 0x%02x in type_to_stind", type->type);
|
}
|
return -1;
|
}
|
|
#ifdef ENABLE_ILGEN
|
|
static void
|
emit_ptr_to_object_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
|
{
|
switch (conv) {
|
case MONO_MARSHAL_CONV_BOOL_I4:
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_I4);
|
mono_mb_emit_byte (mb, CEE_BRFALSE_S);
|
mono_mb_emit_byte (mb, 3);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_1);
|
mono_mb_emit_byte (mb, CEE_BR_S);
|
mono_mb_emit_byte (mb, 1);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_0);
|
mono_mb_emit_byte (mb, CEE_STIND_I1);
|
break;
|
case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_I2);
|
mono_mb_emit_byte (mb, CEE_BRFALSE_S);
|
mono_mb_emit_byte (mb, 3);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_1);
|
mono_mb_emit_byte (mb, CEE_BR_S);
|
mono_mb_emit_byte (mb, 1);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_0);
|
mono_mb_emit_byte (mb, CEE_STIND_I1);
|
break;
|
case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
|
MonoClass *eklass = NULL;
|
int esize;
|
|
if (type->type == MONO_TYPE_SZARRAY) {
|
eklass = type->data.klass;
|
} else {
|
g_assert_not_reached ();
|
}
|
|
esize = mono_class_native_size (eklass, NULL);
|
|
/* create a new array */
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
|
mono_mb_emit_op (mb, CEE_NEWARR, eklass);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
|
if (eklass->blittable) {
|
/* copy the elements */
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
|
mono_mb_emit_byte (mb, CEE_PREFIX1);
|
mono_mb_emit_byte (mb, CEE_CPBLK);
|
}
|
else {
|
int array_var, src_var, dst_var, index_var;
|
guint32 label2, label3;
|
|
array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
|
src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
/* set array_var */
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
mono_mb_emit_stloc (mb, array_var);
|
|
/* save the old src pointer */
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_stloc (mb, src_var);
|
/* save the old dst pointer */
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_stloc (mb, dst_var);
|
|
/* Emit marshalling loop */
|
index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_0);
|
mono_mb_emit_stloc (mb, index_var);
|
|
/* Loop header */
|
label2 = mono_mb_get_label (mb);
|
mono_mb_emit_ldloc (mb, index_var);
|
mono_mb_emit_ldloc (mb, array_var);
|
mono_mb_emit_byte (mb, CEE_LDLEN);
|
label3 = mono_mb_emit_branch (mb, CEE_BGE);
|
|
/* src is already set */
|
|
/* Set dst */
|
mono_mb_emit_ldloc (mb, array_var);
|
mono_mb_emit_ldloc (mb, index_var);
|
mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
|
mono_mb_emit_stloc (mb, 1);
|
|
/* Do the conversion */
|
emit_struct_conv (mb, eklass, TRUE);
|
|
/* Loop footer */
|
mono_mb_emit_add_to_local (mb, index_var, 1);
|
|
mono_mb_emit_branch_label (mb, CEE_BR, label2);
|
|
mono_mb_patch_branch (mb, label3);
|
|
/* restore the old src pointer */
|
mono_mb_emit_ldloc (mb, src_var);
|
mono_mb_emit_stloc (mb, 0);
|
/* restore the old dst pointer */
|
mono_mb_emit_ldloc (mb, dst_var);
|
mono_mb_emit_stloc (mb, 1);
|
}
|
break;
|
}
|
case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
|
MonoClass *eclass = mono_defaults.char_class;
|
|
/* create a new array */
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
|
mono_mb_emit_op (mb, CEE_NEWARR, eclass);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
|
mono_mb_emit_icall (mb, mono_byvalarray_to_byte_array);
|
break;
|
}
|
case MONO_MARSHAL_CONV_STR_BYVALSTR:
|
if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
|
mono_mb_emit_icall (mb, mono_string_from_byvalstr);
|
} else {
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_icall (mb, ves_icall_string_new_wrapper);
|
}
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
break;
|
case MONO_MARSHAL_CONV_STR_BYVALWSTR:
|
if (mspec && mspec->native == MONO_NATIVE_BYVALTSTR && mspec->data.array_data.num_elem) {
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
|
mono_mb_emit_icall (mb, mono_string_from_byvalwstr);
|
} else {
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_icall (mb, ves_icall_mono_string_from_utf16);
|
}
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
break;
|
case MONO_MARSHAL_CONV_STR_LPTSTR:
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
#ifdef TARGET_WIN32
|
mono_mb_emit_icall (mb, ves_icall_mono_string_from_utf16);
|
#else
|
mono_mb_emit_icall (mb, ves_icall_string_new_wrapper);
|
#endif
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
break;
|
|
// In Mono historically LPSTR was treated as a UTF8STR
|
case MONO_MARSHAL_CONV_STR_LPSTR:
|
case MONO_MARSHAL_CONV_STR_UTF8STR:
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_icall (mb, ves_icall_string_new_wrapper);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
break;
|
case MONO_MARSHAL_CONV_STR_LPWSTR:
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_icall (mb, ves_icall_mono_string_from_utf16);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
break;
|
case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
|
MonoClass *klass = mono_class_from_mono_type (type);
|
int src_var, dst_var;
|
|
src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
/* *dst = new object */
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
|
/* save the old src pointer */
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_stloc (mb, src_var);
|
/* save the old dst pointer */
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_stloc (mb, dst_var);
|
|
/* dst = pointer to newly created object data */
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_icon (mb, sizeof (MonoObject));
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_stloc (mb, 1);
|
|
emit_struct_conv (mb, klass, TRUE);
|
|
/* restore the old src pointer */
|
mono_mb_emit_ldloc (mb, src_var);
|
mono_mb_emit_stloc (mb, 0);
|
/* restore the old dst pointer */
|
mono_mb_emit_ldloc (mb, dst_var);
|
mono_mb_emit_stloc (mb, 1);
|
break;
|
}
|
case MONO_MARSHAL_CONV_DEL_FTN: {
|
MonoClass *klass = mono_class_from_mono_type (type);
|
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_icall (mb, mono_ftnptr_to_delegate);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
break;
|
}
|
case MONO_MARSHAL_CONV_ARRAY_LPARRAY: {
|
char *msg = g_strdup_printf ("Structure field of type %s can't be marshalled as LPArray", mono_class_from_mono_type (type)->name);
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
break;
|
}
|
|
#ifndef DISABLE_COM
|
case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
|
case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
|
case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
|
mono_cominterop_emit_ptr_to_object_conv (mb, type, conv, mspec);
|
break;
|
#endif /* DISABLE_COM */
|
|
case MONO_MARSHAL_CONV_SAFEHANDLE: {
|
/*
|
* Passing SafeHandles as ref does not allow the unmanaged code
|
* to change the SafeHandle value. If the value is changed,
|
* we should issue a diagnostic exception (NotSupportedException)
|
* that informs the user that changes to handles in unmanaged code
|
* is not supported.
|
*
|
* Since we currently have no access to the original
|
* SafeHandle that was used during the marshalling,
|
* for now we just ignore this, and ignore/discard any
|
* changes that might have happened to the handle.
|
*/
|
break;
|
}
|
|
case MONO_MARSHAL_CONV_HANDLEREF: {
|
/*
|
* Passing HandleRefs in a struct that is ref()ed does not
|
* copy the values back to the HandleRef
|
*/
|
break;
|
}
|
|
case MONO_MARSHAL_CONV_STR_BSTR:
|
case MONO_MARSHAL_CONV_STR_ANSIBSTR:
|
case MONO_MARSHAL_CONV_STR_TBSTR:
|
case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
|
default: {
|
char *msg = g_strdup_printf ("marshaling conversion %d not implemented", conv);
|
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
break;
|
}
|
}
|
}
|
|
static gpointer
|
conv_to_icall (MonoMarshalConv conv, int *ind_store_type)
|
{
|
int dummy;
|
if (!ind_store_type)
|
ind_store_type = &dummy;
|
*ind_store_type = CEE_STIND_I;
|
switch (conv) {
|
case MONO_MARSHAL_CONV_STR_LPWSTR:
|
return mono_marshal_string_to_utf16;
|
case MONO_MARSHAL_CONV_LPWSTR_STR:
|
*ind_store_type = CEE_STIND_REF;
|
return ves_icall_mono_string_from_utf16;
|
case MONO_MARSHAL_CONV_LPTSTR_STR:
|
*ind_store_type = CEE_STIND_REF;
|
return ves_icall_string_new_wrapper;
|
case MONO_MARSHAL_CONV_UTF8STR_STR:
|
case MONO_MARSHAL_CONV_LPSTR_STR:
|
*ind_store_type = CEE_STIND_REF;
|
return ves_icall_string_new_wrapper;
|
case MONO_MARSHAL_CONV_STR_LPTSTR:
|
#ifdef TARGET_WIN32
|
return mono_marshal_string_to_utf16;
|
#else
|
return mono_string_to_utf8str;
|
#endif
|
// In Mono historically LPSTR was treated as a UTF8STR
|
case MONO_MARSHAL_CONV_STR_UTF8STR:
|
case MONO_MARSHAL_CONV_STR_LPSTR:
|
return mono_string_to_utf8str;
|
case MONO_MARSHAL_CONV_STR_BSTR:
|
return mono_string_to_bstr;
|
case MONO_MARSHAL_CONV_BSTR_STR:
|
*ind_store_type = CEE_STIND_REF;
|
return mono_string_from_bstr_icall;
|
case MONO_MARSHAL_CONV_STR_TBSTR:
|
case MONO_MARSHAL_CONV_STR_ANSIBSTR:
|
return mono_string_to_ansibstr;
|
case MONO_MARSHAL_CONV_SB_UTF8STR:
|
case MONO_MARSHAL_CONV_SB_LPSTR:
|
return mono_string_builder_to_utf8;
|
case MONO_MARSHAL_CONV_SB_LPTSTR:
|
#ifdef TARGET_WIN32
|
return mono_string_builder_to_utf16;
|
#else
|
return mono_string_builder_to_utf8;
|
#endif
|
case MONO_MARSHAL_CONV_SB_LPWSTR:
|
return mono_string_builder_to_utf16;
|
case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
|
return mono_array_to_savearray;
|
case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
|
return mono_array_to_lparray;
|
case MONO_MARSHAL_FREE_LPARRAY:
|
return mono_free_lparray;
|
case MONO_MARSHAL_CONV_DEL_FTN:
|
return mono_delegate_to_ftnptr;
|
case MONO_MARSHAL_CONV_FTN_DEL:
|
*ind_store_type = CEE_STIND_REF;
|
return mono_ftnptr_to_delegate;
|
case MONO_MARSHAL_CONV_UTF8STR_SB:
|
case MONO_MARSHAL_CONV_LPSTR_SB:
|
*ind_store_type = CEE_STIND_REF;
|
return mono_string_utf8_to_builder;
|
case MONO_MARSHAL_CONV_LPTSTR_SB:
|
*ind_store_type = CEE_STIND_REF;
|
#ifdef TARGET_WIN32
|
return mono_string_utf16_to_builder;
|
#else
|
return mono_string_utf8_to_builder;
|
#endif
|
case MONO_MARSHAL_CONV_LPWSTR_SB:
|
*ind_store_type = CEE_STIND_REF;
|
return mono_string_utf16_to_builder;
|
case MONO_MARSHAL_FREE_ARRAY:
|
return mono_marshal_free_array;
|
case MONO_MARSHAL_CONV_STR_BYVALSTR:
|
return mono_string_to_byvalstr;
|
case MONO_MARSHAL_CONV_STR_BYVALWSTR:
|
return mono_string_to_byvalwstr;
|
default:
|
g_assert_not_reached ();
|
}
|
|
return NULL;
|
}
|
|
static void
|
emit_object_to_ptr_conv (MonoMethodBuilder *mb, MonoType *type, MonoMarshalConv conv, MonoMarshalSpec *mspec)
|
{
|
int pos;
|
int stind_op;
|
|
switch (conv) {
|
case MONO_MARSHAL_CONV_BOOL_I4:
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_U1);
|
mono_mb_emit_byte (mb, CEE_STIND_I4);
|
break;
|
case MONO_MARSHAL_CONV_BOOL_VARIANTBOOL:
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_U1);
|
mono_mb_emit_byte (mb, CEE_NEG);
|
mono_mb_emit_byte (mb, CEE_STIND_I2);
|
break;
|
// In Mono historically LPSTR was treated as a UTF8STR
|
case MONO_MARSHAL_CONV_STR_UTF8STR:
|
case MONO_MARSHAL_CONV_STR_LPWSTR:
|
case MONO_MARSHAL_CONV_STR_LPSTR:
|
case MONO_MARSHAL_CONV_STR_LPTSTR:
|
case MONO_MARSHAL_CONV_STR_BSTR:
|
case MONO_MARSHAL_CONV_STR_ANSIBSTR:
|
case MONO_MARSHAL_CONV_STR_TBSTR: {
|
int pos;
|
|
/* free space if free == true */
|
mono_mb_emit_ldloc (mb, 2);
|
pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_icall (mb, g_free);
|
mono_mb_patch_short_branch (mb, pos);
|
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
|
mono_mb_emit_byte (mb, stind_op);
|
break;
|
}
|
case MONO_MARSHAL_CONV_ARRAY_SAVEARRAY:
|
case MONO_MARSHAL_CONV_ARRAY_LPARRAY:
|
case MONO_MARSHAL_CONV_DEL_FTN:
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
|
mono_mb_emit_byte (mb, stind_op);
|
break;
|
case MONO_MARSHAL_CONV_STR_BYVALSTR:
|
case MONO_MARSHAL_CONV_STR_BYVALWSTR: {
|
g_assert (mspec);
|
|
mono_mb_emit_ldloc (mb, 1); /* dst */
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_REF); /* src String */
|
mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
|
mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
|
break;
|
}
|
case MONO_MARSHAL_CONV_ARRAY_BYVALARRAY: {
|
MonoClass *eklass = NULL;
|
int esize;
|
|
if (type->type == MONO_TYPE_SZARRAY) {
|
eklass = type->data.klass;
|
} else if (type->type == MONO_TYPE_ARRAY) {
|
eklass = type->data.array->eklass;
|
if (!eklass->blittable)
|
g_assert_not_reached ();
|
} else {
|
g_assert_not_reached ();
|
}
|
|
if (eklass->valuetype)
|
esize = mono_class_native_size (eklass, NULL);
|
else
|
esize = sizeof (gpointer);
|
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
if (eklass->blittable) {
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
|
mono_mb_emit_icon (mb, mspec->data.array_data.num_elem * esize);
|
mono_mb_emit_byte (mb, CEE_PREFIX1);
|
mono_mb_emit_byte (mb, CEE_CPBLK);
|
} else {
|
int array_var, src_var, dst_var, index_var;
|
guint32 label2, label3;
|
|
array_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
|
src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
/* set array_var */
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
mono_mb_emit_stloc (mb, array_var);
|
|
/* save the old src pointer */
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_stloc (mb, src_var);
|
/* save the old dst pointer */
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_stloc (mb, dst_var);
|
|
/* Emit marshalling loop */
|
index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_0);
|
mono_mb_emit_stloc (mb, index_var);
|
|
/* Loop header */
|
label2 = mono_mb_get_label (mb);
|
mono_mb_emit_ldloc (mb, index_var);
|
mono_mb_emit_ldloc (mb, array_var);
|
mono_mb_emit_byte (mb, CEE_LDLEN);
|
label3 = mono_mb_emit_branch (mb, CEE_BGE);
|
|
/* Set src */
|
mono_mb_emit_ldloc (mb, array_var);
|
mono_mb_emit_ldloc (mb, index_var);
|
mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
|
mono_mb_emit_stloc (mb, 0);
|
|
/* dst is already set */
|
|
/* Do the conversion */
|
emit_struct_conv (mb, eklass, FALSE);
|
|
/* Loop footer */
|
mono_mb_emit_add_to_local (mb, index_var, 1);
|
|
mono_mb_emit_branch_label (mb, CEE_BR, label2);
|
|
mono_mb_patch_branch (mb, label3);
|
|
/* restore the old src pointer */
|
mono_mb_emit_ldloc (mb, src_var);
|
mono_mb_emit_stloc (mb, 0);
|
/* restore the old dst pointer */
|
mono_mb_emit_ldloc (mb, dst_var);
|
mono_mb_emit_stloc (mb, 1);
|
}
|
|
mono_mb_patch_branch (mb, pos);
|
break;
|
}
|
case MONO_MARSHAL_CONV_ARRAY_BYVALCHARARRAY: {
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
pos = mono_mb_emit_short_branch (mb, CEE_BRFALSE_S);
|
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
mono_mb_emit_icon (mb, mspec->data.array_data.num_elem);
|
mono_mb_emit_icall (mb, mono_array_to_byte_byvalarray);
|
mono_mb_patch_short_branch (mb, pos);
|
break;
|
}
|
case MONO_MARSHAL_CONV_OBJECT_STRUCT: {
|
int src_var, dst_var;
|
|
src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/* save the old src pointer */
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_stloc (mb, src_var);
|
/* save the old dst pointer */
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_stloc (mb, dst_var);
|
|
/* src = pointer to object data */
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_icon (mb, sizeof (MonoObject));
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_stloc (mb, 0);
|
|
emit_struct_conv (mb, mono_class_from_mono_type (type), FALSE);
|
|
/* restore the old src pointer */
|
mono_mb_emit_ldloc (mb, src_var);
|
mono_mb_emit_stloc (mb, 0);
|
/* restore the old dst pointer */
|
mono_mb_emit_ldloc (mb, dst_var);
|
mono_mb_emit_stloc (mb, 1);
|
|
mono_mb_patch_branch (mb, pos);
|
break;
|
}
|
|
#ifndef DISABLE_COM
|
case MONO_MARSHAL_CONV_OBJECT_INTERFACE:
|
case MONO_MARSHAL_CONV_OBJECT_IDISPATCH:
|
case MONO_MARSHAL_CONV_OBJECT_IUNKNOWN:
|
mono_cominterop_emit_object_to_ptr_conv (mb, type, conv, mspec);
|
break;
|
#endif /* DISABLE_COM */
|
|
case MONO_MARSHAL_CONV_SAFEHANDLE: {
|
int pos;
|
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
|
mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
|
mono_mb_patch_branch (mb, pos);
|
|
/* Pull the handle field from SafeHandle */
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_byte (mb, CEE_STIND_I);
|
break;
|
}
|
|
case MONO_MARSHAL_CONV_HANDLEREF: {
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoHandleRef, handle));
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_byte (mb, CEE_STIND_I);
|
break;
|
}
|
|
default: {
|
g_error ("marshalling conversion %d not implemented", conv);
|
}
|
}
|
}
|
|
static int
|
offset_of_first_nonstatic_field (MonoClass *klass)
|
{
|
int i;
|
int fcount = mono_class_get_field_count (klass);
|
mono_class_setup_fields (klass);
|
for (i = 0; i < fcount; i++) {
|
if (!(klass->fields[i].type->attrs & FIELD_ATTRIBUTE_STATIC) && !mono_field_is_deleted (&klass->fields[i]))
|
return klass->fields[i].offset - sizeof (MonoObject);
|
}
|
|
return 0;
|
}
|
|
static gboolean
|
get_fixed_buffer_attr (MonoClassField *field, MonoType **out_etype, int *out_len)
|
{
|
MonoError error;
|
MonoCustomAttrInfo *cinfo;
|
MonoCustomAttrEntry *attr;
|
int aindex;
|
|
cinfo = mono_custom_attrs_from_field_checked (field->parent, field, &error);
|
if (!is_ok (&error))
|
return FALSE;
|
attr = NULL;
|
if (cinfo) {
|
for (aindex = 0; aindex < cinfo->num_attrs; ++aindex) {
|
MonoClass *ctor_class = cinfo->attrs [aindex].ctor->klass;
|
if (mono_class_has_parent (ctor_class, mono_class_get_fixed_buffer_attribute_class ())) {
|
attr = &cinfo->attrs [aindex];
|
break;
|
}
|
}
|
}
|
if (attr) {
|
MonoArray *typed_args, *named_args;
|
CattrNamedArg *arginfo;
|
MonoObject *o;
|
|
mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
|
if (!is_ok (&error))
|
return FALSE;
|
g_assert (mono_array_length (typed_args) == 2);
|
|
/* typed args */
|
o = mono_array_get (typed_args, MonoObject*, 0);
|
*out_etype = monotype_cast (o)->type;
|
o = mono_array_get (typed_args, MonoObject*, 1);
|
g_assert (o->vtable->klass == mono_defaults.int32_class);
|
*out_len = *(gint32*)mono_object_unbox (o);
|
g_free (arginfo);
|
}
|
if (cinfo && !cinfo->cached)
|
mono_custom_attrs_free (cinfo);
|
return attr != NULL;
|
}
|
|
static void
|
emit_fixed_buf_conv (MonoMethodBuilder *mb, MonoType *type, MonoType *etype, int len, gboolean to_object, int *out_usize)
|
{
|
MonoClass *klass = mono_class_from_mono_type (type);
|
MonoClass *eklass = mono_class_from_mono_type (etype);
|
int esize;
|
|
esize = mono_class_native_size (eklass, NULL);
|
|
MonoMarshalNative string_encoding = klass->unicode ? MONO_NATIVE_LPWSTR : MONO_NATIVE_LPSTR;
|
int usize = mono_class_value_size (eklass, NULL);
|
int msize = mono_class_value_size (eklass, NULL);
|
|
//printf ("FIXED: %s %d %d\n", mono_type_full_name (type), eklass->blittable, string_encoding);
|
|
if (eklass->blittable) {
|
/* copy the elements */
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_icon (mb, len * esize);
|
mono_mb_emit_byte (mb, CEE_PREFIX1);
|
mono_mb_emit_byte (mb, CEE_CPBLK);
|
} else {
|
int index_var;
|
guint32 label2, label3;
|
|
/* Emit marshalling loop */
|
index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_0);
|
mono_mb_emit_stloc (mb, index_var);
|
|
/* Loop header */
|
label2 = mono_mb_get_label (mb);
|
mono_mb_emit_ldloc (mb, index_var);
|
mono_mb_emit_icon (mb, len);
|
label3 = mono_mb_emit_branch (mb, CEE_BGE);
|
|
/* src/dst is already set */
|
|
/* Do the conversion */
|
MonoTypeEnum t = etype->type;
|
switch (t) {
|
case MONO_TYPE_I4:
|
case MONO_TYPE_U4:
|
case MONO_TYPE_I1:
|
case MONO_TYPE_U1:
|
case MONO_TYPE_BOOLEAN:
|
case MONO_TYPE_I2:
|
case MONO_TYPE_U2:
|
case MONO_TYPE_CHAR:
|
case MONO_TYPE_I8:
|
case MONO_TYPE_U8:
|
case MONO_TYPE_PTR:
|
case MONO_TYPE_R4:
|
case MONO_TYPE_R8:
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
if (t == MONO_TYPE_CHAR && string_encoding != MONO_NATIVE_LPWSTR) {
|
if (to_object) {
|
mono_mb_emit_byte (mb, CEE_LDIND_U1);
|
mono_mb_emit_byte (mb, CEE_STIND_I2);
|
} else {
|
mono_mb_emit_byte (mb, CEE_LDIND_U2);
|
mono_mb_emit_byte (mb, CEE_STIND_I1);
|
}
|
usize = 1;
|
} else {
|
mono_mb_emit_byte (mb, mono_type_to_ldind (etype));
|
mono_mb_emit_byte (mb, mono_type_to_stind (etype));
|
}
|
break;
|
default:
|
g_assert_not_reached ();
|
break;
|
}
|
|
if (to_object) {
|
mono_mb_emit_add_to_local (mb, 0, usize);
|
mono_mb_emit_add_to_local (mb, 1, msize);
|
} else {
|
mono_mb_emit_add_to_local (mb, 0, msize);
|
mono_mb_emit_add_to_local (mb, 1, usize);
|
}
|
|
/* Loop footer */
|
mono_mb_emit_add_to_local (mb, index_var, 1);
|
|
mono_mb_emit_branch_label (mb, CEE_BR, label2);
|
|
mono_mb_patch_branch (mb, label3);
|
}
|
|
*out_usize = usize * len;
|
}
|
|
static void
|
emit_struct_conv_full (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object,
|
int offset_of_first_child_field, MonoMarshalNative string_encoding)
|
{
|
MonoMarshalType *info;
|
int i;
|
|
if (klass->parent)
|
emit_struct_conv_full (mb, klass->parent, to_object, offset_of_first_nonstatic_field (klass), string_encoding);
|
|
info = mono_marshal_load_type_info (klass);
|
|
if (info->native_size == 0)
|
return;
|
|
if (klass->blittable) {
|
int usize = mono_class_value_size (klass, NULL);
|
g_assert (usize == info->native_size);
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_icon (mb, usize);
|
mono_mb_emit_byte (mb, CEE_PREFIX1);
|
mono_mb_emit_byte (mb, CEE_CPBLK);
|
|
if (to_object) {
|
mono_mb_emit_add_to_local (mb, 0, usize);
|
mono_mb_emit_add_to_local (mb, 1, offset_of_first_child_field);
|
} else {
|
mono_mb_emit_add_to_local (mb, 0, offset_of_first_child_field);
|
mono_mb_emit_add_to_local (mb, 1, usize);
|
}
|
return;
|
}
|
|
if (klass != mono_class_try_get_safehandle_class ()) {
|
if (mono_class_is_auto_layout (klass)) {
|
char *msg = g_strdup_printf ("Type %s which is passed to unmanaged code must have a StructLayout attribute.",
|
mono_type_full_name (&klass->byval_arg));
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
return;
|
}
|
}
|
|
for (i = 0; i < info->num_fields; i++) {
|
MonoMarshalNative ntype;
|
MonoMarshalConv conv;
|
MonoType *ftype = info->fields [i].field->type;
|
int msize = 0;
|
int usize = 0;
|
gboolean last_field = i < (info->num_fields -1) ? 0 : 1;
|
|
if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
|
continue;
|
|
ntype = (MonoMarshalNative)mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE, klass->unicode, &conv);
|
|
if (last_field) {
|
msize = klass->instance_size - info->fields [i].field->offset;
|
usize = info->native_size - info->fields [i].offset;
|
} else {
|
msize = info->fields [i + 1].field->offset - info->fields [i].field->offset;
|
usize = info->fields [i + 1].offset - info->fields [i].offset;
|
}
|
|
if (klass != mono_class_try_get_safehandle_class ()){
|
/*
|
* FIXME: Should really check for usize==0 and msize>0, but we apply
|
* the layout to the managed structure as well.
|
*/
|
|
if (mono_class_is_explicit_layout (klass) && (usize == 0)) {
|
if (MONO_TYPE_IS_REFERENCE (info->fields [i].field->type) ||
|
((!last_field && MONO_TYPE_IS_REFERENCE (info->fields [i + 1].field->type))))
|
g_error ("Type %s which has an [ExplicitLayout] attribute cannot have a "
|
"reference field at the same offset as another field.",
|
mono_type_full_name (&klass->byval_arg));
|
}
|
}
|
|
switch (conv) {
|
case MONO_MARSHAL_CONV_NONE: {
|
int t;
|
|
//XXX a byref field!?!? that's not allowed! and worse, it might miss a WB
|
g_assert (!ftype->byref);
|
if (ftype->type == MONO_TYPE_I || ftype->type == MONO_TYPE_U) {
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_byte (mb, CEE_STIND_I);
|
break;
|
}
|
|
handle_enum:
|
t = ftype->type;
|
switch (t) {
|
case MONO_TYPE_I4:
|
case MONO_TYPE_U4:
|
case MONO_TYPE_I1:
|
case MONO_TYPE_U1:
|
case MONO_TYPE_BOOLEAN:
|
case MONO_TYPE_I2:
|
case MONO_TYPE_U2:
|
case MONO_TYPE_CHAR:
|
case MONO_TYPE_I8:
|
case MONO_TYPE_U8:
|
case MONO_TYPE_PTR:
|
case MONO_TYPE_R4:
|
case MONO_TYPE_R8:
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
if (t == MONO_TYPE_CHAR && ntype == MONO_NATIVE_U1 && string_encoding != MONO_NATIVE_LPWSTR) {
|
if (to_object) {
|
mono_mb_emit_byte (mb, CEE_LDIND_U1);
|
mono_mb_emit_byte (mb, CEE_STIND_I2);
|
} else {
|
mono_mb_emit_byte (mb, CEE_LDIND_U2);
|
mono_mb_emit_byte (mb, CEE_STIND_I1);
|
}
|
} else {
|
mono_mb_emit_byte (mb, mono_type_to_ldind (ftype));
|
mono_mb_emit_byte (mb, mono_type_to_stind (ftype));
|
}
|
break;
|
case MONO_TYPE_VALUETYPE: {
|
int src_var, dst_var;
|
MonoType *etype;
|
int len;
|
|
if (ftype->data.klass->enumtype) {
|
ftype = mono_class_enum_basetype (ftype->data.klass);
|
goto handle_enum;
|
}
|
|
src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
/* save the old src pointer */
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_stloc (mb, src_var);
|
/* save the old dst pointer */
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_stloc (mb, dst_var);
|
|
if (get_fixed_buffer_attr (info->fields [i].field, &etype, &len)) {
|
emit_fixed_buf_conv (mb, ftype, etype, len, to_object, &usize);
|
} else {
|
emit_struct_conv (mb, ftype->data.klass, to_object);
|
}
|
|
/* restore the old src pointer */
|
mono_mb_emit_ldloc (mb, src_var);
|
mono_mb_emit_stloc (mb, 0);
|
/* restore the old dst pointer */
|
mono_mb_emit_ldloc (mb, dst_var);
|
mono_mb_emit_stloc (mb, 1);
|
break;
|
}
|
case MONO_TYPE_OBJECT: {
|
#ifndef DISABLE_COM
|
if (to_object) {
|
static MonoMethod *variant_clear = NULL;
|
static MonoMethod *get_object_for_native_variant = NULL;
|
|
if (!variant_clear)
|
variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
|
if (!get_object_for_native_variant)
|
get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_managed_call (mb, variant_clear, NULL);
|
}
|
else {
|
static MonoMethod *get_native_variant_for_object = NULL;
|
|
if (!get_native_variant_for_object)
|
get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
|
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte(mb, CEE_LDIND_REF);
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
|
}
|
#else
|
char *msg = g_strdup_printf ("COM support was disabled at compilation time.");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
#endif
|
break;
|
}
|
|
default:
|
g_warning ("marshaling type %02x not implemented", ftype->type);
|
g_assert_not_reached ();
|
}
|
break;
|
}
|
default: {
|
int src_var, dst_var;
|
|
src_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
dst_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
/* save the old src pointer */
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_stloc (mb, src_var);
|
/* save the old dst pointer */
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_stloc (mb, dst_var);
|
|
if (to_object)
|
emit_ptr_to_object_conv (mb, ftype, conv, info->fields [i].mspec);
|
else
|
emit_object_to_ptr_conv (mb, ftype, conv, info->fields [i].mspec);
|
|
/* restore the old src pointer */
|
mono_mb_emit_ldloc (mb, src_var);
|
mono_mb_emit_stloc (mb, 0);
|
/* restore the old dst pointer */
|
mono_mb_emit_ldloc (mb, dst_var);
|
mono_mb_emit_stloc (mb, 1);
|
}
|
}
|
|
if (to_object) {
|
mono_mb_emit_add_to_local (mb, 0, usize);
|
mono_mb_emit_add_to_local (mb, 1, msize);
|
} else {
|
mono_mb_emit_add_to_local (mb, 0, msize);
|
mono_mb_emit_add_to_local (mb, 1, usize);
|
}
|
}
|
}
|
|
static void
|
emit_struct_conv (MonoMethodBuilder *mb, MonoClass *klass, gboolean to_object)
|
{
|
emit_struct_conv_full (mb, klass, to_object, 0, (MonoMarshalNative)-1);
|
}
|
|
static void
|
emit_struct_free (MonoMethodBuilder *mb, MonoClass *klass, int struct_var)
|
{
|
/* Call DestroyStructure */
|
/* FIXME: Only do this if needed */
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
|
mono_mb_emit_ldloc (mb, struct_var);
|
mono_mb_emit_icall (mb, mono_struct_delete_old);
|
}
|
|
static void
|
emit_thread_interrupt_checkpoint_call (MonoMethodBuilder *mb, gpointer checkpoint_func)
|
{
|
int pos_noabort, pos_noex;
|
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_byte (mb, CEE_MONO_LDPTR_INT_REQ_FLAG);
|
mono_mb_emit_byte (mb, CEE_LDIND_U4);
|
pos_noabort = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_byte (mb, CEE_MONO_NOT_TAKEN);
|
|
mono_mb_emit_icall (mb, checkpoint_func);
|
/* Throw the exception returned by the checkpoint function, if any */
|
mono_mb_emit_byte (mb, CEE_DUP);
|
pos_noex = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
mono_mb_emit_byte (mb, CEE_THROW);
|
mono_mb_patch_branch (mb, pos_noex);
|
mono_mb_emit_byte (mb, CEE_POP);
|
|
mono_mb_patch_branch (mb, pos_noabort);
|
}
|
|
static void
|
emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
|
{
|
if (strstr (mb->name, "mono_thread_interruption_checkpoint"))
|
return;
|
|
emit_thread_interrupt_checkpoint_call (mb, mono_thread_interruption_checkpoint);
|
}
|
|
static void
|
emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
|
{
|
emit_thread_interrupt_checkpoint_call (mb, mono_thread_force_interruption_checkpoint_noraise);
|
}
|
|
void
|
mono_marshal_emit_thread_interrupt_checkpoint (MonoMethodBuilder *mb)
|
{
|
emit_thread_interrupt_checkpoint (mb);
|
}
|
|
void
|
mono_marshal_emit_thread_force_interrupt_checkpoint (MonoMethodBuilder *mb)
|
{
|
emit_thread_force_interrupt_checkpoint (mb);
|
}
|
|
#endif /* ENABLE_ILGEN */
|
|
/* This is a JIT icall, it sets the pending exception and returns NULL on error. */
|
static MonoAsyncResult *
|
mono_delegate_begin_invoke (MonoDelegate *delegate, gpointer *params)
|
{
|
MonoError error;
|
MonoMulticastDelegate *mcast_delegate;
|
MonoClass *klass;
|
MonoMethod *method;
|
|
g_assert (delegate);
|
mcast_delegate = (MonoMulticastDelegate *) delegate;
|
if (mcast_delegate->delegates != NULL) {
|
mono_set_pending_exception (mono_get_exception_argument (NULL, "The delegate must have only one target"));
|
return NULL;
|
}
|
|
#ifndef DISABLE_REMOTING
|
if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
|
MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
|
if (!mono_class_is_contextbound (tp->remote_class->proxy_class) || tp->rp->context != (MonoObject *) mono_context_get ()) {
|
/* If the target is a proxy, make a direct call. Is proxy's work
|
// to make the call asynchronous.
|
*/
|
MonoMethodMessage *msg;
|
MonoDelegate *async_callback;
|
MonoObject *state;
|
MonoAsyncResult *ares;
|
MonoObject *exc;
|
MonoArray *out_args;
|
method = delegate->method;
|
|
msg = mono_method_call_message_new (mono_marshal_method_from_wrapper (method), params, NULL, &async_callback, &state, &error);
|
if (mono_error_set_pending_exception (&error))
|
return NULL;
|
ares = mono_async_result_new (mono_domain_get (), NULL, state, NULL, NULL, &error);
|
if (mono_error_set_pending_exception (&error))
|
return NULL;
|
MONO_OBJECT_SETREF (ares, async_delegate, (MonoObject *)delegate);
|
MONO_OBJECT_SETREF (ares, async_callback, (MonoObject *)async_callback);
|
MONO_OBJECT_SETREF (msg, async_result, ares);
|
msg->call_type = CallType_BeginInvoke;
|
|
exc = NULL;
|
mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args, &error);
|
if (!mono_error_ok (&error)) {
|
mono_error_set_pending_exception (&error);
|
return NULL;
|
}
|
if (exc)
|
mono_set_pending_exception ((MonoException *) exc);
|
return ares;
|
}
|
}
|
#endif
|
|
klass = delegate->object.vtable->klass;
|
|
method = mono_class_get_method_from_name (klass, "BeginInvoke", -1);
|
if (!method)
|
method = mono_get_delegate_invoke (klass);
|
g_assert (method);
|
|
MonoAsyncResult *result = mono_threadpool_begin_invoke (mono_domain_get (), (MonoObject*) delegate, method, params, &error);
|
mono_error_set_pending_exception (&error);
|
return result;
|
}
|
|
#ifdef ENABLE_ILGEN
|
|
int
|
mono_mb_emit_save_args (MonoMethodBuilder *mb, MonoMethodSignature *sig, gboolean save_this)
|
{
|
int i, params_var, tmp_var;
|
|
/* allocate local (pointer) *params[] */
|
params_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
/* allocate local (pointer) tmp */
|
tmp_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
/* alloate space on stack to store an array of pointers to the arguments */
|
mono_mb_emit_icon (mb, sizeof (gpointer) * (sig->param_count + 1));
|
mono_mb_emit_byte (mb, CEE_PREFIX1);
|
mono_mb_emit_byte (mb, CEE_LOCALLOC);
|
mono_mb_emit_stloc (mb, params_var);
|
|
/* tmp = params */
|
mono_mb_emit_ldloc (mb, params_var);
|
mono_mb_emit_stloc (mb, tmp_var);
|
|
if (save_this && sig->hasthis) {
|
mono_mb_emit_ldloc (mb, tmp_var);
|
mono_mb_emit_ldarg_addr (mb, 0);
|
mono_mb_emit_byte (mb, CEE_STIND_I);
|
/* tmp = tmp + sizeof (gpointer) */
|
if (sig->param_count)
|
mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
|
|
}
|
|
for (i = 0; i < sig->param_count; i++) {
|
mono_mb_emit_ldloc (mb, tmp_var);
|
mono_mb_emit_ldarg_addr (mb, i + sig->hasthis);
|
mono_mb_emit_byte (mb, CEE_STIND_I);
|
/* tmp = tmp + sizeof (gpointer) */
|
if (i < (sig->param_count - 1))
|
mono_mb_emit_add_to_local (mb, tmp_var, sizeof (gpointer));
|
}
|
|
return params_var;
|
}
|
|
#endif /* ENABLE_ILGEN */
|
|
static char*
|
mono_signature_to_name (MonoMethodSignature *sig, const char *prefix)
|
{
|
int i;
|
char *result;
|
GString *res = g_string_new ("");
|
|
if (prefix) {
|
g_string_append (res, prefix);
|
g_string_append_c (res, '_');
|
}
|
|
mono_type_get_desc (res, sig->ret, FALSE);
|
|
if (sig->hasthis)
|
g_string_append (res, "__this__");
|
|
for (i = 0; i < sig->param_count; ++i) {
|
g_string_append_c (res, '_');
|
mono_type_get_desc (res, sig->params [i], FALSE);
|
}
|
result = res->str;
|
g_string_free (res, FALSE);
|
return result;
|
}
|
|
/**
|
* mono_marshal_get_string_encoding:
|
*
|
* Return the string encoding which should be used for a given parameter.
|
*/
|
static MonoMarshalNative
|
mono_marshal_get_string_encoding (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
|
{
|
/* First try the parameter marshal info */
|
if (spec) {
|
if (spec->native == MONO_NATIVE_LPARRAY) {
|
if ((spec->data.array_data.elem_type != 0) && (spec->data.array_data.elem_type != MONO_NATIVE_MAX))
|
return spec->data.array_data.elem_type;
|
}
|
else
|
return spec->native;
|
}
|
|
if (!piinfo)
|
return MONO_NATIVE_LPSTR;
|
|
/* Then try the method level marshal info */
|
switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
|
case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
|
return MONO_NATIVE_LPSTR;
|
case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
|
return MONO_NATIVE_LPWSTR;
|
case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
|
#ifdef TARGET_WIN32
|
return MONO_NATIVE_LPWSTR;
|
#else
|
return MONO_NATIVE_LPSTR;
|
#endif
|
default:
|
return MONO_NATIVE_LPSTR;
|
}
|
}
|
|
static MonoMarshalConv
|
mono_marshal_get_string_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
|
{
|
MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
|
|
switch (encoding) {
|
case MONO_NATIVE_LPWSTR:
|
return MONO_MARSHAL_CONV_STR_LPWSTR;
|
case MONO_NATIVE_LPSTR:
|
case MONO_NATIVE_VBBYREFSTR:
|
return MONO_MARSHAL_CONV_STR_LPSTR;
|
case MONO_NATIVE_LPTSTR:
|
return MONO_MARSHAL_CONV_STR_LPTSTR;
|
case MONO_NATIVE_BSTR:
|
return MONO_MARSHAL_CONV_STR_BSTR;
|
case MONO_NATIVE_UTF8STR:
|
return MONO_MARSHAL_CONV_STR_UTF8STR;
|
default:
|
return MONO_MARSHAL_CONV_INVALID;
|
}
|
}
|
|
static MonoMarshalConv
|
mono_marshal_get_stringbuilder_to_ptr_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
|
{
|
MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
|
|
switch (encoding) {
|
case MONO_NATIVE_LPWSTR:
|
return MONO_MARSHAL_CONV_SB_LPWSTR;
|
case MONO_NATIVE_LPSTR:
|
return MONO_MARSHAL_CONV_SB_LPSTR;
|
case MONO_NATIVE_UTF8STR:
|
return MONO_MARSHAL_CONV_SB_UTF8STR;
|
case MONO_NATIVE_LPTSTR:
|
return MONO_MARSHAL_CONV_SB_LPTSTR;
|
default:
|
return MONO_MARSHAL_CONV_INVALID;
|
}
|
}
|
|
static MonoMarshalConv
|
mono_marshal_get_ptr_to_string_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
|
{
|
MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
|
|
*need_free = TRUE;
|
|
switch (encoding) {
|
case MONO_NATIVE_LPWSTR:
|
*need_free = FALSE;
|
return MONO_MARSHAL_CONV_LPWSTR_STR;
|
case MONO_NATIVE_UTF8STR:
|
return MONO_MARSHAL_CONV_UTF8STR_STR;
|
case MONO_NATIVE_LPSTR:
|
case MONO_NATIVE_VBBYREFSTR:
|
return MONO_MARSHAL_CONV_LPSTR_STR;
|
case MONO_NATIVE_LPTSTR:
|
#ifdef TARGET_WIN32
|
*need_free = FALSE;
|
#endif
|
return MONO_MARSHAL_CONV_LPTSTR_STR;
|
case MONO_NATIVE_BSTR:
|
return MONO_MARSHAL_CONV_BSTR_STR;
|
default:
|
return MONO_MARSHAL_CONV_INVALID;
|
}
|
}
|
|
static MonoMarshalConv
|
mono_marshal_get_ptr_to_stringbuilder_conv (MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec, gboolean *need_free)
|
{
|
MonoMarshalNative encoding = mono_marshal_get_string_encoding (piinfo, spec);
|
|
*need_free = TRUE;
|
|
switch (encoding) {
|
case MONO_NATIVE_LPWSTR:
|
/*
|
* mono_string_builder_to_utf16 does not allocate a
|
* new buffer, so no need to free it.
|
*/
|
*need_free = FALSE;
|
return MONO_MARSHAL_CONV_LPWSTR_SB;
|
case MONO_NATIVE_UTF8STR:
|
return MONO_MARSHAL_CONV_UTF8STR_SB;
|
case MONO_NATIVE_LPSTR:
|
return MONO_MARSHAL_CONV_LPSTR_SB;
|
break;
|
case MONO_NATIVE_LPTSTR:
|
return MONO_MARSHAL_CONV_LPTSTR_SB;
|
break;
|
default:
|
return MONO_MARSHAL_CONV_INVALID;
|
}
|
}
|
|
/*
|
* Return whenever a field of a native structure or an array member needs to
|
* be freed.
|
*/
|
static gboolean
|
mono_marshal_need_free (MonoType *t, MonoMethodPInvoke *piinfo, MonoMarshalSpec *spec)
|
{
|
MonoMarshalNative encoding;
|
|
switch (t->type) {
|
case MONO_TYPE_VALUETYPE:
|
/* FIXME: Optimize this */
|
return TRUE;
|
case MONO_TYPE_OBJECT:
|
case MONO_TYPE_CLASS:
|
if (t->data.klass == mono_defaults.stringbuilder_class) {
|
gboolean need_free;
|
mono_marshal_get_ptr_to_stringbuilder_conv (piinfo, spec, &need_free);
|
return need_free;
|
}
|
return FALSE;
|
case MONO_TYPE_STRING:
|
encoding = mono_marshal_get_string_encoding (piinfo, spec);
|
return (encoding == MONO_NATIVE_LPWSTR) ? FALSE : TRUE;
|
default:
|
return FALSE;
|
}
|
}
|
|
/*
|
* Return the hash table pointed to by VAR, lazily creating it if neccesary.
|
*/
|
static GHashTable*
|
get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
|
{
|
if (!(*var)) {
|
mono_marshal_lock ();
|
if (!(*var)) {
|
GHashTable *cache =
|
g_hash_table_new (hash_func, equal_func);
|
mono_memory_barrier ();
|
*var = cache;
|
}
|
mono_marshal_unlock ();
|
}
|
return *var;
|
}
|
|
GHashTable*
|
mono_marshal_get_cache (GHashTable **var, GHashFunc hash_func, GCompareFunc equal_func)
|
{
|
return get_cache (var, hash_func, equal_func);
|
}
|
|
MonoMethod*
|
mono_marshal_find_in_cache (GHashTable *cache, gpointer key)
|
{
|
MonoMethod *res;
|
|
mono_marshal_lock ();
|
res = (MonoMethod *)g_hash_table_lookup (cache, key);
|
mono_marshal_unlock ();
|
return res;
|
}
|
|
/*
|
* mono_mb_create:
|
*
|
* Create a MonoMethod from MB, set INFO as wrapper info.
|
*/
|
MonoMethod*
|
mono_mb_create (MonoMethodBuilder *mb, MonoMethodSignature *sig,
|
int max_stack, WrapperInfo *info)
|
{
|
MonoMethod *res;
|
|
res = mono_mb_create_method (mb, sig, max_stack);
|
if (info)
|
mono_marshal_set_wrapper_info (res, info);
|
return res;
|
}
|
|
/* Create the method from the builder and place it in the cache */
|
MonoMethod*
|
mono_mb_create_and_cache_full (GHashTable *cache, gpointer key,
|
MonoMethodBuilder *mb, MonoMethodSignature *sig,
|
int max_stack, WrapperInfo *info, gboolean *out_found)
|
{
|
MonoMethod *res;
|
|
if (out_found)
|
*out_found = FALSE;
|
|
mono_marshal_lock ();
|
res = (MonoMethod *)g_hash_table_lookup (cache, key);
|
mono_marshal_unlock ();
|
if (!res) {
|
MonoMethod *newm;
|
newm = mono_mb_create_method (mb, sig, max_stack);
|
mono_marshal_lock ();
|
res = (MonoMethod *)g_hash_table_lookup (cache, key);
|
if (!res) {
|
res = newm;
|
g_hash_table_insert (cache, key, res);
|
mono_marshal_set_wrapper_info (res, info);
|
mono_marshal_unlock ();
|
} else {
|
if (out_found)
|
*out_found = TRUE;
|
mono_marshal_unlock ();
|
mono_free_method (newm);
|
}
|
}
|
|
return res;
|
}
|
|
MonoMethod*
|
mono_mb_create_and_cache (GHashTable *cache, gpointer key,
|
MonoMethodBuilder *mb, MonoMethodSignature *sig,
|
int max_stack)
|
{
|
return mono_mb_create_and_cache_full (cache, key, mb, sig, max_stack, NULL, NULL);
|
}
|
|
/**
|
* mono_marshal_method_from_wrapper:
|
*/
|
MonoMethod *
|
mono_marshal_method_from_wrapper (MonoMethod *wrapper)
|
{
|
MonoMethod *m;
|
int wrapper_type = wrapper->wrapper_type;
|
WrapperInfo *info;
|
|
if (wrapper_type == MONO_WRAPPER_NONE || wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
|
return wrapper;
|
|
info = mono_marshal_get_wrapper_info (wrapper);
|
|
switch (wrapper_type) {
|
case MONO_WRAPPER_REMOTING_INVOKE:
|
case MONO_WRAPPER_REMOTING_INVOKE_WITH_CHECK:
|
case MONO_WRAPPER_XDOMAIN_INVOKE:
|
m = info->d.remoting.method;
|
if (wrapper->is_inflated) {
|
MonoError error;
|
MonoMethod *result;
|
/*
|
* A method cannot be inflated and a wrapper at the same time, so the wrapper info
|
* contains an uninflated method.
|
*/
|
result = mono_class_inflate_generic_method_checked (m, mono_method_get_context (wrapper), &error);
|
g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
|
return result;
|
}
|
return m;
|
case MONO_WRAPPER_SYNCHRONIZED:
|
m = info->d.synchronized.method;
|
if (wrapper->is_inflated) {
|
MonoError error;
|
MonoMethod *result;
|
result = mono_class_inflate_generic_method_checked (m, mono_method_get_context (wrapper), &error);
|
g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
|
return result;
|
}
|
return m;
|
case MONO_WRAPPER_UNBOX:
|
return info->d.unbox.method;
|
case MONO_WRAPPER_MANAGED_TO_NATIVE:
|
if (info && (info->subtype == WRAPPER_SUBTYPE_NONE || info->subtype == WRAPPER_SUBTYPE_NATIVE_FUNC_AOT || info->subtype == WRAPPER_SUBTYPE_PINVOKE))
|
return info->d.managed_to_native.method;
|
else
|
return NULL;
|
case MONO_WRAPPER_RUNTIME_INVOKE:
|
if (info && (info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT || info->subtype == WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL))
|
return info->d.runtime_invoke.method;
|
else
|
return NULL;
|
case MONO_WRAPPER_DELEGATE_INVOKE:
|
if (info)
|
return info->d.delegate_invoke.method;
|
else
|
return NULL;
|
default:
|
return NULL;
|
}
|
}
|
|
/*
|
* mono_marshal_get_wrapper_info:
|
*
|
* Retrieve the WrapperInfo structure associated with WRAPPER.
|
*/
|
WrapperInfo*
|
mono_marshal_get_wrapper_info (MonoMethod *wrapper)
|
{
|
g_assert (wrapper->wrapper_type);
|
|
return (WrapperInfo *)mono_method_get_wrapper_data (wrapper, 1);
|
}
|
|
/*
|
* mono_marshal_set_wrapper_info:
|
*
|
* Set the WrapperInfo structure associated with the wrapper
|
* method METHOD to INFO.
|
*/
|
void
|
mono_marshal_set_wrapper_info (MonoMethod *method, WrapperInfo *info)
|
{
|
void **datav;
|
/* assert */
|
if (method->wrapper_type == MONO_WRAPPER_NONE || method->wrapper_type == MONO_WRAPPER_DYNAMIC_METHOD)
|
return;
|
|
datav = (void **)((MonoMethodWrapper *)method)->method_data;
|
datav [1] = info;
|
}
|
|
WrapperInfo*
|
mono_wrapper_info_create (MonoMethodBuilder *mb, WrapperSubtype subtype)
|
{
|
WrapperInfo *info;
|
|
info = (WrapperInfo *)mono_image_alloc0 (mb->method->klass->image, sizeof (WrapperInfo));
|
info->subtype = subtype;
|
return info;
|
}
|
|
/*
|
* get_wrapper_target_class:
|
*
|
* Return the class where a wrapper method should be placed.
|
*/
|
static MonoClass*
|
get_wrapper_target_class (MonoImage *image)
|
{
|
MonoError error;
|
MonoClass *klass;
|
|
/*
|
* Notes:
|
* - can't put all wrappers into an mscorlib class, because they reference
|
* metadata (signature) so they should be put into the same image as the
|
* method they wrap, so they are unloaded together.
|
* - putting them into a class with a type initalizer could cause the
|
* initializer to be executed which can be a problem if the wrappers are
|
* shared.
|
* - putting them into an inflated class can cause problems if the the
|
* class is deleted because it references an image which is unloaded.
|
* To avoid these problems, we put the wrappers into the <Module> class of
|
* the image.
|
*/
|
if (image_is_dynamic (image)) {
|
klass = ((MonoDynamicImage*)image)->wrappers_type;
|
} else {
|
klass = mono_class_get_checked (image, mono_metadata_make_token (MONO_TABLE_TYPEDEF, 1), &error);
|
g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
|
}
|
g_assert (klass);
|
|
return klass;
|
}
|
|
/*
|
* Wrappers for generic methods should be instances of generic wrapper methods, i.e .the wrapper for Sort<int> should be
|
* an instance of the wrapper for Sort<T>. This is required for full-aot to work.
|
*/
|
|
/*
|
* check_generic_wrapper_cache:
|
*
|
* Check CACHE for the wrapper of the generic instance ORIG_METHOD, and return it if it is found.
|
* KEY should be the key for ORIG_METHOD in the cache, while DEF_KEY should be the key of its
|
* generic method definition.
|
*/
|
static MonoMethod*
|
check_generic_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, gpointer key, gpointer def_key)
|
{
|
MonoMethod *res;
|
MonoMethod *inst, *def;
|
MonoGenericContext *ctx;
|
|
g_assert (orig_method->is_inflated);
|
ctx = mono_method_get_context (orig_method);
|
|
/*
|
* Look for the instance
|
*/
|
res = mono_marshal_find_in_cache (cache, key);
|
if (res)
|
return res;
|
|
/*
|
* Look for the definition
|
*/
|
def = mono_marshal_find_in_cache (cache, def_key);
|
if (def) {
|
MonoError error;
|
inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
|
g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
|
/* Cache it */
|
mono_memory_barrier ();
|
mono_marshal_lock ();
|
res = (MonoMethod *)g_hash_table_lookup (cache, key);
|
if (!res) {
|
g_hash_table_insert (cache, key, inst);
|
res = inst;
|
}
|
mono_marshal_unlock ();
|
return res;
|
}
|
return NULL;
|
}
|
|
static MonoMethod*
|
cache_generic_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx, gpointer key)
|
{
|
MonoError error;
|
MonoMethod *inst, *res;
|
|
/*
|
* We use the same cache for the generic definition and the instances.
|
*/
|
inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
|
g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
|
mono_memory_barrier ();
|
mono_marshal_lock ();
|
res = (MonoMethod *)g_hash_table_lookup (cache, key);
|
if (!res) {
|
g_hash_table_insert (cache, key, inst);
|
res = inst;
|
}
|
mono_marshal_unlock ();
|
return res;
|
}
|
|
static MonoMethod*
|
check_generic_delegate_wrapper_cache (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def_method, MonoGenericContext *ctx)
|
{
|
MonoError error;
|
MonoMethod *res;
|
MonoMethod *inst, *def;
|
|
/*
|
* Look for the instance
|
*/
|
res = mono_marshal_find_in_cache (cache, orig_method->klass);
|
if (res)
|
return res;
|
|
/*
|
* Look for the definition
|
*/
|
def = mono_marshal_find_in_cache (cache, def_method->klass);
|
if (def) {
|
inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
|
g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
|
|
/* Cache it */
|
mono_memory_barrier ();
|
mono_marshal_lock ();
|
res = (MonoMethod *)g_hash_table_lookup (cache, orig_method->klass);
|
if (!res) {
|
g_hash_table_insert (cache, orig_method->klass, inst);
|
res = inst;
|
}
|
mono_marshal_unlock ();
|
return res;
|
}
|
return NULL;
|
}
|
|
static MonoMethod*
|
cache_generic_delegate_wrapper (GHashTable *cache, MonoMethod *orig_method, MonoMethod *def, MonoGenericContext *ctx)
|
{
|
MonoError error;
|
MonoMethod *inst, *res;
|
WrapperInfo *ginfo, *info;
|
|
/*
|
* We use the same cache for the generic definition and the instances.
|
*/
|
inst = mono_class_inflate_generic_method_checked (def, ctx, &error);
|
g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
|
|
ginfo = mono_marshal_get_wrapper_info (def);
|
if (ginfo) {
|
info = (WrapperInfo *)mono_image_alloc0 (def->klass->image, sizeof (WrapperInfo));
|
info->subtype = ginfo->subtype;
|
if (info->subtype == WRAPPER_SUBTYPE_NONE) {
|
info->d.delegate_invoke.method = mono_class_inflate_generic_method_checked (ginfo->d.delegate_invoke.method, ctx, &error);
|
mono_error_assert_ok (&error);
|
}
|
}
|
|
mono_memory_barrier ();
|
mono_marshal_lock ();
|
res = (MonoMethod *)g_hash_table_lookup (cache, orig_method->klass);
|
if (!res) {
|
g_hash_table_insert (cache, orig_method->klass, inst);
|
res = inst;
|
}
|
mono_marshal_unlock ();
|
return res;
|
}
|
|
/**
|
* mono_marshal_get_delegate_begin_invoke:
|
*/
|
MonoMethod *
|
mono_marshal_get_delegate_begin_invoke (MonoMethod *method)
|
{
|
MonoMethodSignature *sig;
|
MonoMethodBuilder *mb;
|
MonoMethod *res;
|
GHashTable *cache;
|
int params_var;
|
char *name;
|
MonoGenericContext *ctx = NULL;
|
MonoMethod *orig_method = NULL;
|
|
g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
|
!strcmp (method->name, "BeginInvoke"));
|
|
/*
|
* For generic delegates, create a generic wrapper, and returns an instance to help AOT.
|
*/
|
if (method->is_inflated) {
|
orig_method = method;
|
ctx = &((MonoMethodInflated*)method)->context;
|
method = ((MonoMethodInflated*)method)->declaring;
|
}
|
|
sig = mono_signature_no_pinvoke (method);
|
|
/*
|
* Check cache
|
*/
|
if (ctx) {
|
cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_begin_invoke_cache, mono_aligned_addr_hash, NULL);
|
res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
|
if (res)
|
return res;
|
} else {
|
cache = get_cache (&method->klass->image->wrapper_caches.delegate_begin_invoke_cache,
|
(GHashFunc)mono_signature_hash,
|
(GCompareFunc)mono_metadata_signature_equal);
|
if ((res = mono_marshal_find_in_cache (cache, sig)))
|
return res;
|
}
|
|
g_assert (sig->hasthis);
|
|
name = mono_signature_to_name (sig, "begin_invoke");
|
if (ctx)
|
mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
|
else
|
mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_BEGIN_INVOKE);
|
g_free (name);
|
|
#ifdef ENABLE_ILGEN
|
params_var = mono_mb_emit_save_args (mb, sig, FALSE);
|
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_ldloc (mb, params_var);
|
mono_mb_emit_icall (mb, mono_delegate_begin_invoke);
|
mono_mb_emit_byte (mb, CEE_RET);
|
#endif
|
|
if (ctx) {
|
MonoMethod *def;
|
def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
|
res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
|
} else {
|
res = mono_mb_create_and_cache (cache, sig, mb, sig, sig->param_count + 16);
|
}
|
|
mono_mb_free (mb);
|
return res;
|
}
|
|
/* This is a JIT icall, it sets the pending exception and returns NULL on error. */
|
static MonoObject *
|
mono_delegate_end_invoke (MonoDelegate *delegate, gpointer *params)
|
{
|
MonoError error;
|
MonoDomain *domain = mono_domain_get ();
|
MonoAsyncResult *ares;
|
MonoMethod *method = NULL;
|
MonoMethodSignature *sig;
|
MonoMethodMessage *msg;
|
MonoObject *res, *exc;
|
MonoArray *out_args;
|
MonoClass *klass;
|
|
g_assert (delegate);
|
|
if (!delegate->method_info) {
|
g_assert (delegate->method);
|
MonoReflectionMethod *rm = mono_method_get_object_checked (domain, delegate->method, NULL, &error);
|
if (!mono_error_ok (&error)) {
|
mono_error_set_pending_exception (&error);
|
return NULL;
|
}
|
MONO_OBJECT_SETREF (delegate, method_info, rm);
|
}
|
|
if (!delegate->method_info || !delegate->method_info->method)
|
g_assert_not_reached ();
|
|
klass = delegate->object.vtable->klass;
|
|
method = mono_class_get_method_from_name (klass, "EndInvoke", -1);
|
g_assert (method != NULL);
|
|
sig = mono_signature_no_pinvoke (method);
|
|
msg = mono_method_call_message_new (method, params, NULL, NULL, NULL, &error);
|
if (mono_error_set_pending_exception (&error))
|
return NULL;
|
|
ares = (MonoAsyncResult *)mono_array_get (msg->args, gpointer, sig->param_count - 1);
|
if (ares == NULL) {
|
mono_set_pending_exception (mono_exception_from_name_msg (mono_defaults.corlib, "System.Runtime.Remoting", "RemotingException", "The async result object is null or of an unexpected type."));
|
return NULL;
|
}
|
|
if (ares->async_delegate != (MonoObject*)delegate) {
|
mono_set_pending_exception (mono_get_exception_invalid_operation (
|
"The IAsyncResult object provided does not match this delegate."));
|
return NULL;
|
}
|
|
#ifndef DISABLE_REMOTING
|
if (delegate->target && mono_object_is_transparent_proxy (delegate->target)) {
|
MonoTransparentProxy* tp = (MonoTransparentProxy *)delegate->target;
|
msg = (MonoMethodMessage *)mono_object_new_checked (domain, mono_defaults.mono_method_message_class, &error);
|
if (!mono_error_ok (&error)) {
|
mono_error_set_pending_exception (&error);
|
return NULL;
|
}
|
mono_message_init (domain, msg, delegate->method_info, NULL, &error);
|
if (mono_error_set_pending_exception (&error))
|
return NULL;
|
msg->call_type = CallType_EndInvoke;
|
MONO_OBJECT_SETREF (msg, async_result, ares);
|
res = mono_remoting_invoke ((MonoObject *)tp->rp, msg, &exc, &out_args, &error);
|
if (!mono_error_ok (&error)) {
|
mono_error_set_pending_exception (&error);
|
return NULL;
|
}
|
} else
|
#endif
|
{
|
res = mono_threadpool_end_invoke (ares, &out_args, &exc, &error);
|
if (mono_error_set_pending_exception (&error))
|
return NULL;
|
}
|
|
if (exc) {
|
if (((MonoException*)exc)->stack_trace) {
|
MonoError inner_error;
|
char *strace = mono_string_to_utf8_checked (((MonoException*)exc)->stack_trace, &inner_error);
|
if (is_ok (&inner_error)) {
|
char *tmp;
|
tmp = g_strdup_printf ("%s\nException Rethrown at:\n", strace);
|
g_free (strace);
|
MonoString *tmp_str = mono_string_new_checked (domain, tmp, &inner_error);
|
g_free (tmp);
|
if (is_ok (&inner_error))
|
MONO_OBJECT_SETREF (((MonoException*)exc), stack_trace, tmp_str);
|
};
|
if (!is_ok (&inner_error))
|
mono_error_cleanup (&inner_error); /* no stack trace, but at least throw the original exception */
|
}
|
mono_set_pending_exception ((MonoException*)exc);
|
}
|
|
mono_method_return_message_restore (method, params, out_args, &error);
|
mono_error_set_pending_exception (&error);
|
return res;
|
}
|
|
#ifdef ENABLE_ILGEN
|
|
void
|
mono_mb_emit_restore_result (MonoMethodBuilder *mb, MonoType *return_type)
|
{
|
MonoType *t = mono_type_get_underlying_type (return_type);
|
|
if (return_type->byref)
|
return_type = &mono_defaults.int_class->byval_arg;
|
|
switch (t->type) {
|
case MONO_TYPE_VOID:
|
g_assert_not_reached ();
|
break;
|
case MONO_TYPE_PTR:
|
case MONO_TYPE_STRING:
|
case MONO_TYPE_CLASS:
|
case MONO_TYPE_OBJECT:
|
case MONO_TYPE_ARRAY:
|
case MONO_TYPE_SZARRAY:
|
/* nothing to do */
|
break;
|
case MONO_TYPE_U1:
|
case MONO_TYPE_BOOLEAN:
|
case MONO_TYPE_I1:
|
case MONO_TYPE_U2:
|
case MONO_TYPE_CHAR:
|
case MONO_TYPE_I2:
|
case MONO_TYPE_I:
|
case MONO_TYPE_U:
|
case MONO_TYPE_I4:
|
case MONO_TYPE_U4:
|
case MONO_TYPE_U8:
|
case MONO_TYPE_I8:
|
case MONO_TYPE_R4:
|
case MONO_TYPE_R8:
|
mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (return_type));
|
mono_mb_emit_byte (mb, mono_type_to_ldind (return_type));
|
break;
|
case MONO_TYPE_GENERICINST:
|
if (!mono_type_generic_inst_is_valuetype (t))
|
break;
|
/* fall through */
|
case MONO_TYPE_VALUETYPE: {
|
MonoClass *klass = mono_class_from_mono_type (return_type);
|
mono_mb_emit_op (mb, CEE_UNBOX, klass);
|
mono_mb_emit_op (mb, CEE_LDOBJ, klass);
|
break;
|
}
|
case MONO_TYPE_VAR:
|
case MONO_TYPE_MVAR: {
|
MonoClass *klass = mono_class_from_mono_type (return_type);
|
mono_mb_emit_op (mb, CEE_UNBOX_ANY, klass);
|
break;
|
}
|
default:
|
g_warning ("type 0x%x not handled", return_type->type);
|
g_assert_not_reached ();
|
}
|
|
mono_mb_emit_byte (mb, CEE_RET);
|
}
|
|
#endif /* ENABLE_ILGEN */
|
|
/**
|
* mono_marshal_get_delegate_end_invoke:
|
*/
|
MonoMethod *
|
mono_marshal_get_delegate_end_invoke (MonoMethod *method)
|
{
|
MonoMethodSignature *sig;
|
MonoMethodBuilder *mb;
|
MonoMethod *res;
|
GHashTable *cache;
|
int params_var;
|
char *name;
|
MonoGenericContext *ctx = NULL;
|
MonoMethod *orig_method = NULL;
|
|
g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
|
!strcmp (method->name, "EndInvoke"));
|
|
/*
|
* For generic delegates, create a generic wrapper, and returns an instance to help AOT.
|
*/
|
if (method->is_inflated) {
|
orig_method = method;
|
ctx = &((MonoMethodInflated*)method)->context;
|
method = ((MonoMethodInflated*)method)->declaring;
|
}
|
|
sig = mono_signature_no_pinvoke (method);
|
|
/*
|
* Check cache
|
*/
|
if (ctx) {
|
cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_end_invoke_cache, mono_aligned_addr_hash, NULL);
|
res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
|
if (res)
|
return res;
|
} else {
|
cache = get_cache (&method->klass->image->wrapper_caches.delegate_end_invoke_cache,
|
(GHashFunc)mono_signature_hash,
|
(GCompareFunc)mono_metadata_signature_equal);
|
if ((res = mono_marshal_find_in_cache (cache, sig)))
|
return res;
|
}
|
|
g_assert (sig->hasthis);
|
|
name = mono_signature_to_name (sig, "end_invoke");
|
if (ctx)
|
mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_END_INVOKE);
|
else
|
mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_END_INVOKE);
|
g_free (name);
|
|
#ifdef ENABLE_ILGEN
|
params_var = mono_mb_emit_save_args (mb, sig, FALSE);
|
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_ldloc (mb, params_var);
|
mono_mb_emit_icall (mb, mono_delegate_end_invoke);
|
|
if (sig->ret->type == MONO_TYPE_VOID) {
|
mono_mb_emit_byte (mb, CEE_POP);
|
mono_mb_emit_byte (mb, CEE_RET);
|
} else
|
mono_mb_emit_restore_result (mb, sig->ret);
|
#endif
|
|
if (ctx) {
|
MonoMethod *def;
|
def = mono_mb_create_and_cache (cache, method->klass, mb, sig, sig->param_count + 16);
|
res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
|
} else {
|
res = mono_mb_create_and_cache (cache, sig,
|
mb, sig, sig->param_count + 16);
|
}
|
mono_mb_free (mb);
|
|
return res;
|
}
|
|
typedef struct
|
{
|
MonoMethodSignature *sig;
|
gpointer pointer;
|
} SignaturePointerPair;
|
|
static guint
|
signature_pointer_pair_hash (gconstpointer data)
|
{
|
SignaturePointerPair *pair = (SignaturePointerPair*)data;
|
|
return mono_signature_hash (pair->sig) ^ mono_aligned_addr_hash (pair->pointer);
|
}
|
|
static gboolean
|
signature_pointer_pair_equal (gconstpointer data1, gconstpointer data2)
|
{
|
SignaturePointerPair *pair1 = (SignaturePointerPair*) data1, *pair2 = (SignaturePointerPair*) data2;
|
return mono_metadata_signature_equal (pair1->sig, pair2->sig) && (pair1->pointer == pair2->pointer);
|
}
|
|
static gboolean
|
signature_pointer_pair_matches_pointer (gpointer key, gpointer value, gpointer user_data)
|
{
|
SignaturePointerPair *pair = (SignaturePointerPair*)key;
|
|
return pair->pointer == user_data;
|
}
|
|
static void
|
free_signature_pointer_pair (SignaturePointerPair *pair)
|
{
|
g_free (pair);
|
}
|
|
MonoMethod *
|
mono_marshal_get_delegate_invoke_internal (MonoMethod *method, gboolean callvirt, gboolean static_method_with_first_arg_bound, MonoMethod *target_method)
|
{
|
MonoMethodSignature *sig, *static_sig, *invoke_sig;
|
int i;
|
MonoMethodBuilder *mb;
|
MonoMethod *res;
|
GHashTable *cache;
|
gpointer cache_key = NULL;
|
SignaturePointerPair key = { NULL, NULL };
|
SignaturePointerPair *new_key;
|
int local_i, local_len, local_delegates, local_d, local_target, local_res;
|
int pos0, pos1, pos2;
|
char *name;
|
MonoClass *target_class = NULL;
|
gboolean closed_over_null = FALSE;
|
MonoGenericContext *ctx = NULL;
|
MonoGenericContainer *container = NULL;
|
MonoMethod *orig_method = method;
|
WrapperInfo *info;
|
WrapperSubtype subtype = WRAPPER_SUBTYPE_NONE;
|
gboolean found;
|
gboolean void_ret;
|
|
g_assert (method && method->klass->parent == mono_defaults.multicastdelegate_class &&
|
!strcmp (method->name, "Invoke"));
|
|
invoke_sig = sig = mono_signature_no_pinvoke (method);
|
|
/*
|
* If the delegate target is null, and the target method is not static, a virtual
|
* call is made to that method with the first delegate argument as this. This is
|
* a non-documented .NET feature.
|
*/
|
if (callvirt) {
|
subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_VIRTUAL;
|
if (target_method->is_inflated) {
|
MonoError error;
|
MonoType *target_type;
|
|
g_assert (method->signature->hasthis);
|
target_type = mono_class_inflate_generic_type_checked (method->signature->params [0],
|
mono_method_get_context (method), &error);
|
mono_error_assert_ok (&error); /* FIXME don't swallow the error */
|
target_class = mono_class_from_mono_type (target_type);
|
} else {
|
target_class = target_method->klass;
|
}
|
|
closed_over_null = sig->param_count == mono_method_signature (target_method)->param_count;
|
}
|
|
if (static_method_with_first_arg_bound) {
|
subtype = WRAPPER_SUBTYPE_DELEGATE_INVOKE_BOUND;
|
g_assert (!callvirt);
|
invoke_sig = mono_method_signature (target_method);
|
}
|
|
/*
|
* For generic delegates, create a generic wrapper, and return an instance to help AOT.
|
*/
|
if (method->is_inflated && subtype == WRAPPER_SUBTYPE_NONE) {
|
ctx = &((MonoMethodInflated*)method)->context;
|
method = ((MonoMethodInflated*)method)->declaring;
|
|
container = mono_method_get_generic_container (method);
|
if (!container)
|
container = mono_class_try_get_generic_container (method->klass); //FIXME is this a case of a try?
|
g_assert (container);
|
|
invoke_sig = sig = mono_signature_no_pinvoke (method);
|
}
|
|
/*
|
* Check cache
|
*/
|
if (ctx) {
|
cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.delegate_invoke_cache, mono_aligned_addr_hash, NULL);
|
res = check_generic_delegate_wrapper_cache (cache, orig_method, method, ctx);
|
if (res)
|
return res;
|
cache_key = method->klass;
|
} else if (static_method_with_first_arg_bound) {
|
cache = get_cache (&method->klass->image->delegate_bound_static_invoke_cache,
|
(GHashFunc)mono_signature_hash,
|
(GCompareFunc)mono_metadata_signature_equal);
|
/*
|
* The wrapper is based on sig+invoke_sig, but sig can be derived from invoke_sig.
|
*/
|
res = mono_marshal_find_in_cache (cache, invoke_sig);
|
if (res)
|
return res;
|
cache_key = invoke_sig;
|
} else if (callvirt) {
|
GHashTable **cache_ptr;
|
|
cache_ptr = &mono_method_get_wrapper_cache (method)->delegate_abstract_invoke_cache;
|
|
/* We need to cache the signature+method pair */
|
mono_marshal_lock ();
|
if (!*cache_ptr)
|
*cache_ptr = g_hash_table_new_full (signature_pointer_pair_hash, (GEqualFunc)signature_pointer_pair_equal, (GDestroyNotify)free_signature_pointer_pair, NULL);
|
cache = *cache_ptr;
|
key.sig = invoke_sig;
|
key.pointer = target_method;
|
res = (MonoMethod *)g_hash_table_lookup (cache, &key);
|
mono_marshal_unlock ();
|
if (res)
|
return res;
|
} else {
|
// Inflated methods should not be in this cache because it's not stored on the imageset.
|
g_assert (!method->is_inflated);
|
cache = get_cache (&method->klass->image->wrapper_caches.delegate_invoke_cache,
|
(GHashFunc)mono_signature_hash,
|
(GCompareFunc)mono_metadata_signature_equal);
|
res = mono_marshal_find_in_cache (cache, sig);
|
if (res)
|
return res;
|
cache_key = sig;
|
}
|
|
static_sig = mono_metadata_signature_dup_full (method->klass->image, sig);
|
static_sig->hasthis = 0;
|
if (!static_method_with_first_arg_bound)
|
invoke_sig = static_sig;
|
|
if (static_method_with_first_arg_bound)
|
name = mono_signature_to_name (invoke_sig, "invoke_bound");
|
else if (closed_over_null)
|
name = mono_signature_to_name (invoke_sig, "invoke_closed_over_null");
|
else if (callvirt)
|
name = mono_signature_to_name (invoke_sig, "invoke_callvirt");
|
else
|
name = mono_signature_to_name (invoke_sig, "invoke");
|
if (ctx)
|
mb = mono_mb_new (method->klass, name, MONO_WRAPPER_DELEGATE_INVOKE);
|
else
|
mb = mono_mb_new (get_wrapper_target_class (method->klass->image), name, MONO_WRAPPER_DELEGATE_INVOKE);
|
g_free (name);
|
|
#ifdef ENABLE_ILGEN
|
void_ret = sig->ret->type == MONO_TYPE_VOID && !method->string_ctor;
|
|
/* allocate local 0 (object) */
|
local_i = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
|
local_len = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
|
local_delegates = mono_mb_add_local (mb, &mono_defaults.array_class->byval_arg);
|
local_d = mono_mb_add_local (mb, &mono_defaults.multicastdelegate_class->byval_arg);
|
local_target = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
|
|
if (!void_ret)
|
local_res = mono_mb_add_local (mb, &mono_class_from_mono_type (sig->ret)->byval_arg);
|
|
g_assert (sig->hasthis);
|
|
/*
|
* {type: sig->ret} res;
|
* if (delegates == null) {
|
* return this.<target> ( args .. );
|
* } else {
|
* int i = 0, len = this.delegates.Length;
|
* do {
|
* res = this.delegates [i].Invoke ( args .. );
|
* } while (++i < len);
|
* return res;
|
* }
|
*/
|
|
/* this wrapper can be used in unmanaged-managed transitions */
|
emit_thread_interrupt_checkpoint (mb);
|
|
/* delegates = this.delegates */
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoMulticastDelegate, delegates));
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
mono_mb_emit_stloc (mb, local_delegates);
|
|
/* if (delegates == null) */
|
mono_mb_emit_ldloc (mb, local_delegates);
|
pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
|
|
/* return target.<target_method|method_ptr> ( args .. ); */
|
|
/* target = d.target; */
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, target));
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
mono_mb_emit_stloc (mb, local_target);
|
|
/*static methods with bound first arg can have null target and still be bound*/
|
if (!static_method_with_first_arg_bound) {
|
/* if target != null */
|
mono_mb_emit_ldloc (mb, local_target);
|
pos0 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/* then call this->method_ptr nonstatic */
|
if (callvirt) {
|
// FIXME:
|
mono_mb_emit_exception_full (mb, "System", "NotImplementedException", "");
|
} else {
|
mono_mb_emit_ldloc (mb, local_target);
|
for (i = 0; i < sig->param_count; ++i)
|
mono_mb_emit_ldarg (mb, i + 1);
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, extra_arg));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_op (mb, CEE_MONO_CALLI_EXTRA_ARG, sig);
|
mono_mb_emit_byte (mb, CEE_RET);
|
}
|
|
/* else [target == null] call this->method_ptr static */
|
mono_mb_patch_branch (mb, pos0);
|
}
|
|
if (callvirt) {
|
if (!closed_over_null) {
|
if (target_class->valuetype) {
|
mono_mb_emit_ldarg (mb, 1);
|
for (i = 1; i < sig->param_count; ++i)
|
mono_mb_emit_ldarg (mb, i + 1);
|
mono_mb_emit_op (mb, CEE_CALL, target_method);
|
} else {
|
mono_mb_emit_ldarg (mb, 1);
|
mono_mb_emit_op (mb, CEE_CASTCLASS, target_class);
|
for (i = 1; i < sig->param_count; ++i)
|
mono_mb_emit_ldarg (mb, i + 1);
|
mono_mb_emit_op (mb, CEE_CALLVIRT, target_method);
|
}
|
} else {
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
for (i = 0; i < sig->param_count; ++i)
|
mono_mb_emit_ldarg (mb, i + 1);
|
mono_mb_emit_op (mb, CEE_CALL, target_method);
|
}
|
} else {
|
if (static_method_with_first_arg_bound) {
|
mono_mb_emit_ldloc (mb, local_target);
|
if (!MONO_TYPE_IS_REFERENCE (invoke_sig->params[0]))
|
mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (invoke_sig->params[0]));
|
}
|
for (i = 0; i < sig->param_count; ++i)
|
mono_mb_emit_ldarg (mb, i + 1);
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, extra_arg));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoDelegate, method_ptr));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_op (mb, CEE_MONO_CALLI_EXTRA_ARG, invoke_sig);
|
}
|
|
mono_mb_emit_byte (mb, CEE_RET);
|
|
/* else [delegates != null] */
|
mono_mb_patch_branch (mb, pos2);
|
|
/* len = delegates.Length; */
|
mono_mb_emit_ldloc (mb, local_delegates);
|
mono_mb_emit_byte (mb, CEE_LDLEN);
|
mono_mb_emit_byte (mb, CEE_CONV_I4);
|
mono_mb_emit_stloc (mb, local_len);
|
|
/* i = 0; */
|
mono_mb_emit_icon (mb, 0);
|
mono_mb_emit_stloc (mb, local_i);
|
|
pos1 = mono_mb_get_label (mb);
|
|
/* d = delegates [i]; */
|
mono_mb_emit_ldloc (mb, local_delegates);
|
mono_mb_emit_ldloc (mb, local_i);
|
mono_mb_emit_byte (mb, CEE_LDELEM_REF);
|
mono_mb_emit_stloc (mb, local_d);
|
|
/* res = d.Invoke ( args .. ); */
|
mono_mb_emit_ldloc (mb, local_d);
|
for (i = 0; i < sig->param_count; i++)
|
mono_mb_emit_ldarg (mb, i + 1);
|
if (!ctx) {
|
mono_mb_emit_op (mb, CEE_CALLVIRT, method);
|
} else {
|
MonoError error;
|
mono_mb_emit_op (mb, CEE_CALLVIRT, mono_class_inflate_generic_method_checked (method, &container->context, &error));
|
g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
|
}
|
if (!void_ret)
|
mono_mb_emit_stloc (mb, local_res);
|
|
/* i += 1 */
|
mono_mb_emit_add_to_local (mb, local_i, 1);
|
|
/* i < l */
|
mono_mb_emit_ldloc (mb, local_i);
|
mono_mb_emit_ldloc (mb, local_len);
|
mono_mb_emit_branch_label (mb, CEE_BLT, pos1);
|
|
/* return res */
|
if (!void_ret)
|
mono_mb_emit_ldloc (mb, local_res);
|
mono_mb_emit_byte (mb, CEE_RET);
|
|
mb->skip_visibility = 1;
|
#endif /* ENABLE_ILGEN */
|
|
info = mono_wrapper_info_create (mb, subtype);
|
info->d.delegate_invoke.method = method;
|
|
if (ctx) {
|
MonoMethod *def;
|
|
def = mono_mb_create_and_cache_full (cache, cache_key, mb, sig, sig->param_count + 16, info, NULL);
|
res = cache_generic_delegate_wrapper (cache, orig_method, def, ctx);
|
} else if (callvirt) {
|
new_key = g_new0 (SignaturePointerPair, 1);
|
*new_key = key;
|
|
res = mono_mb_create_and_cache_full (cache, new_key, mb, sig, sig->param_count + 16, info, &found);
|
if (found)
|
g_free (new_key);
|
} else {
|
res = mono_mb_create_and_cache_full (cache, cache_key, mb, sig, sig->param_count + 16, info, NULL);
|
}
|
mono_mb_free (mb);
|
|
/* mono_method_print_code (res); */
|
|
return res;
|
}
|
|
/**
|
* mono_marshal_get_delegate_invoke:
|
* The returned method invokes all methods in a multicast delegate.
|
*/
|
MonoMethod *
|
mono_marshal_get_delegate_invoke (MonoMethod *method, MonoDelegate *del)
|
{
|
gboolean callvirt = FALSE;
|
gboolean static_method_with_first_arg_bound = FALSE;
|
MonoMethod *target_method = NULL;
|
MonoMethodSignature *sig;
|
|
sig = mono_signature_no_pinvoke (method);
|
|
if (del && !del->target && del->method && mono_method_signature (del->method)->hasthis) {
|
callvirt = TRUE;
|
target_method = del->method;
|
}
|
|
if (del && del->method && mono_method_signature (del->method)->param_count == sig->param_count + 1 && (del->method->flags & METHOD_ATTRIBUTE_STATIC)) {
|
static_method_with_first_arg_bound = TRUE;
|
target_method = del->method;
|
}
|
|
return mono_marshal_get_delegate_invoke_internal (method, callvirt, static_method_with_first_arg_bound, target_method);
|
}
|
|
typedef struct {
|
MonoMethodSignature *ctor_sig;
|
MonoMethodSignature *sig;
|
} CtorSigPair;
|
|
/* protected by the marshal lock, contains CtorSigPair pointers */
|
static GSList *strsig_list = NULL;
|
|
static MonoMethodSignature *
|
lookup_string_ctor_signature (MonoMethodSignature *sig)
|
{
|
MonoMethodSignature *callsig;
|
CtorSigPair *cs;
|
GSList *item;
|
|
mono_marshal_lock ();
|
callsig = NULL;
|
for (item = strsig_list; item; item = item->next) {
|
cs = (CtorSigPair *)item->data;
|
/* mono_metadata_signature_equal () is safe to call with the marshal lock
|
* because it is lock-free.
|
*/
|
if (mono_metadata_signature_equal (sig, cs->ctor_sig)) {
|
callsig = cs->sig;
|
break;
|
}
|
}
|
mono_marshal_unlock ();
|
return callsig;
|
}
|
|
static MonoMethodSignature *
|
add_string_ctor_signature (MonoMethod *method)
|
{
|
MonoMethodSignature *callsig;
|
CtorSigPair *cs;
|
|
callsig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
|
callsig->ret = &mono_defaults.string_class->byval_arg;
|
cs = g_new (CtorSigPair, 1);
|
cs->sig = callsig;
|
cs->ctor_sig = mono_method_signature (method);
|
|
mono_marshal_lock ();
|
strsig_list = g_slist_prepend (strsig_list, cs);
|
mono_marshal_unlock ();
|
return callsig;
|
}
|
|
/*
|
* mono_marshal_get_string_ctor_signature:
|
*
|
* Return the modified signature used by string ctors (they return the newly created
|
* string).
|
*/
|
MonoMethodSignature*
|
mono_marshal_get_string_ctor_signature (MonoMethod *method)
|
{
|
MonoMethodSignature *sig = lookup_string_ctor_signature (mono_method_signature (method));
|
if (!sig)
|
sig = add_string_ctor_signature (method);
|
|
return sig;
|
}
|
|
static MonoType*
|
get_runtime_invoke_type (MonoType *t, gboolean ret)
|
{
|
if (t->byref) {
|
if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t)))
|
return t;
|
|
/* The result needs loaded indirectly */
|
if (ret)
|
return t;
|
|
/* Can't share this with 'I' as that needs another indirection */
|
return &mono_defaults.int_class->this_arg;
|
}
|
|
if (MONO_TYPE_IS_REFERENCE (t))
|
return &mono_defaults.object_class->byval_arg;
|
|
if (ret)
|
/* The result needs to be boxed */
|
return t;
|
|
handle_enum:
|
switch (t->type) {
|
/* Can't share these as the argument needs to be loaded using sign/zero extension */
|
/*
|
case MONO_TYPE_U1:
|
return &mono_defaults.sbyte_class->byval_arg;
|
case MONO_TYPE_U2:
|
return &mono_defaults.int16_class->byval_arg;
|
case MONO_TYPE_U4:
|
return &mono_defaults.int32_class->byval_arg;
|
*/
|
case MONO_TYPE_U8:
|
return &mono_defaults.int64_class->byval_arg;
|
case MONO_TYPE_BOOLEAN:
|
return &mono_defaults.byte_class->byval_arg;
|
case MONO_TYPE_CHAR:
|
return &mono_defaults.uint16_class->byval_arg;
|
case MONO_TYPE_U:
|
return &mono_defaults.int_class->byval_arg;
|
case MONO_TYPE_VALUETYPE:
|
if (t->data.klass->enumtype) {
|
t = mono_class_enum_basetype (t->data.klass);
|
goto handle_enum;
|
}
|
return t;
|
default:
|
return t;
|
}
|
}
|
|
/*
|
* mono_marshal_get_runtime_invoke_sig:
|
*
|
* Return a common signature used for sharing runtime invoke wrappers.
|
*/
|
static MonoMethodSignature*
|
mono_marshal_get_runtime_invoke_sig (MonoMethodSignature *sig)
|
{
|
MonoMethodSignature *res = mono_metadata_signature_dup (sig);
|
int i;
|
|
res->generic_param_count = 0;
|
res->ret = get_runtime_invoke_type (sig->ret, TRUE);
|
for (i = 0; i < res->param_count; ++i)
|
res->params [i] = get_runtime_invoke_type (sig->params [i], FALSE);
|
|
return res;
|
}
|
|
static gboolean
|
runtime_invoke_signature_equal (MonoMethodSignature *sig1, MonoMethodSignature *sig2)
|
{
|
/* Can't share wrappers which return a vtype since it needs to be boxed */
|
if (sig1->ret != sig2->ret && !(MONO_TYPE_IS_REFERENCE (sig1->ret) && MONO_TYPE_IS_REFERENCE (sig2->ret)) && !mono_metadata_type_equal (sig1->ret, sig2->ret))
|
return FALSE;
|
else
|
return mono_metadata_signature_equal (sig1, sig2);
|
}
|
|
#ifdef ENABLE_ILGEN
|
|
/*
|
* emit_invoke_call:
|
*
|
* Emit the call to the wrapper method from a runtime invoke wrapper.
|
*/
|
static void
|
emit_invoke_call (MonoMethodBuilder *mb, MonoMethod *method,
|
MonoMethodSignature *sig, MonoMethodSignature *callsig,
|
int loc_res,
|
gboolean virtual_, gboolean need_direct_wrapper)
|
{
|
static MonoString *string_dummy = NULL;
|
int i;
|
int *tmp_nullable_locals;
|
gboolean void_ret = FALSE;
|
gboolean string_ctor = method && method->string_ctor;
|
|
/* to make it work with our special string constructors */
|
if (!string_dummy) {
|
MonoError error;
|
MONO_GC_REGISTER_ROOT_SINGLE (string_dummy, MONO_ROOT_SOURCE_MARSHAL, NULL, "Marshal Dummy String");
|
string_dummy = mono_string_new_checked (mono_get_root_domain (), "dummy", &error);
|
mono_error_assert_ok (&error);
|
}
|
|
if (virtual_) {
|
g_assert (sig->hasthis);
|
g_assert (method->flags & METHOD_ATTRIBUTE_VIRTUAL);
|
}
|
|
if (sig->hasthis) {
|
if (string_ctor) {
|
if (mono_gc_is_moving ()) {
|
mono_mb_emit_ptr (mb, &string_dummy);
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
} else {
|
mono_mb_emit_ptr (mb, string_dummy);
|
}
|
} else {
|
mono_mb_emit_ldarg (mb, 0);
|
}
|
}
|
|
tmp_nullable_locals = g_new0 (int, sig->param_count);
|
|
for (i = 0; i < sig->param_count; i++) {
|
MonoType *t = sig->params [i];
|
int type;
|
|
mono_mb_emit_ldarg (mb, 1);
|
if (i) {
|
mono_mb_emit_icon (mb, sizeof (gpointer) * i);
|
mono_mb_emit_byte (mb, CEE_ADD);
|
}
|
|
if (t->byref) {
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
/* A Nullable<T> type don't have a boxed form, it's either null or a boxed T.
|
* So to make this work we unbox it to a local variablee and push a reference to that.
|
*/
|
if (t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
|
tmp_nullable_locals [i] = mono_mb_add_local (mb, &mono_class_from_mono_type (t)->byval_arg);
|
|
mono_mb_emit_op (mb, CEE_UNBOX_ANY, mono_class_from_mono_type (t));
|
mono_mb_emit_stloc (mb, tmp_nullable_locals [i]);
|
mono_mb_emit_ldloc_addr (mb, tmp_nullable_locals [i]);
|
}
|
continue;
|
}
|
|
/*FIXME 'this doesn't handle generic enums. Shouldn't we?*/
|
type = sig->params [i]->type;
|
handle_enum:
|
switch (type) {
|
case MONO_TYPE_I1:
|
case MONO_TYPE_BOOLEAN:
|
case MONO_TYPE_U1:
|
case MONO_TYPE_I2:
|
case MONO_TYPE_U2:
|
case MONO_TYPE_CHAR:
|
case MONO_TYPE_I:
|
case MONO_TYPE_U:
|
case MONO_TYPE_I4:
|
case MONO_TYPE_U4:
|
case MONO_TYPE_R4:
|
case MONO_TYPE_R8:
|
case MONO_TYPE_I8:
|
case MONO_TYPE_U8:
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
|
break;
|
case MONO_TYPE_STRING:
|
case MONO_TYPE_CLASS:
|
case MONO_TYPE_ARRAY:
|
case MONO_TYPE_PTR:
|
case MONO_TYPE_SZARRAY:
|
case MONO_TYPE_OBJECT:
|
mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
|
break;
|
case MONO_TYPE_GENERICINST:
|
if (!mono_type_generic_inst_is_valuetype (sig->params [i])) {
|
mono_mb_emit_byte (mb, mono_type_to_ldind (sig->params [i]));
|
break;
|
}
|
|
/* fall through */
|
case MONO_TYPE_VALUETYPE:
|
if (type == MONO_TYPE_VALUETYPE && t->data.klass->enumtype) {
|
type = mono_class_enum_basetype (t->data.klass)->type;
|
goto handle_enum;
|
}
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
if (mono_class_is_nullable (mono_class_from_mono_type (sig->params [i]))) {
|
/* Need to convert a boxed vtype to an mp to a Nullable struct */
|
mono_mb_emit_op (mb, CEE_UNBOX, mono_class_from_mono_type (sig->params [i]));
|
mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
|
} else {
|
mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (sig->params [i]));
|
}
|
break;
|
default:
|
g_assert_not_reached ();
|
}
|
}
|
|
if (virtual_) {
|
mono_mb_emit_op (mb, CEE_CALLVIRT, method);
|
} else if (need_direct_wrapper) {
|
mono_mb_emit_op (mb, CEE_CALL, method);
|
} else {
|
mono_mb_emit_ldarg (mb, 3);
|
mono_mb_emit_calli (mb, callsig);
|
}
|
|
if (sig->ret->byref) {
|
int ldind_op;
|
/* perform indirect load and return by value */
|
MonoType* ret_byval = &mono_class_from_mono_type (sig->ret)->byval_arg;
|
g_assert (!ret_byval->byref);
|
ldind_op = mono_type_to_ldind (ret_byval);
|
/* taken from similar code in mini-generic-sharing.c
|
* we need to use mono_mb_emit_op to add method data when loading
|
* a structure since method-to-ir needs this data for wrapper methods */
|
if (ldind_op == CEE_LDOBJ)
|
mono_mb_emit_op (mb, CEE_LDOBJ, mono_class_from_mono_type (ret_byval));
|
else
|
mono_mb_emit_byte (mb, ldind_op);
|
}
|
|
switch (sig->ret->type) {
|
case MONO_TYPE_VOID:
|
if (!string_ctor)
|
void_ret = TRUE;
|
break;
|
case MONO_TYPE_BOOLEAN:
|
case MONO_TYPE_CHAR:
|
case MONO_TYPE_I1:
|
case MONO_TYPE_U1:
|
case MONO_TYPE_I2:
|
case MONO_TYPE_U2:
|
case MONO_TYPE_I4:
|
case MONO_TYPE_U4:
|
case MONO_TYPE_I:
|
case MONO_TYPE_U:
|
case MONO_TYPE_R4:
|
case MONO_TYPE_R8:
|
case MONO_TYPE_I8:
|
case MONO_TYPE_U8:
|
case MONO_TYPE_VALUETYPE:
|
case MONO_TYPE_TYPEDBYREF:
|
case MONO_TYPE_GENERICINST:
|
/* box value types */
|
mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
|
break;
|
case MONO_TYPE_STRING:
|
case MONO_TYPE_CLASS:
|
case MONO_TYPE_ARRAY:
|
case MONO_TYPE_SZARRAY:
|
case MONO_TYPE_OBJECT:
|
/* nothing to do */
|
break;
|
case MONO_TYPE_PTR:
|
/* The result is an IntPtr */
|
mono_mb_emit_op (mb, CEE_BOX, mono_defaults.int_class);
|
break;
|
default:
|
g_assert_not_reached ();
|
}
|
|
if (!void_ret)
|
mono_mb_emit_stloc (mb, loc_res);
|
|
/* Convert back nullable-byref arguments */
|
for (i = 0; i < sig->param_count; i++) {
|
MonoType *t = sig->params [i];
|
|
/*
|
* Box the result and put it back into the array, the caller will have
|
* to obtain it from there.
|
*/
|
if (t->byref && t->type == MONO_TYPE_GENERICINST && mono_class_is_nullable (mono_class_from_mono_type (t))) {
|
mono_mb_emit_ldarg (mb, 1);
|
mono_mb_emit_icon (mb, sizeof (gpointer) * i);
|
mono_mb_emit_byte (mb, CEE_ADD);
|
|
mono_mb_emit_ldloc (mb, tmp_nullable_locals [i]);
|
mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
|
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
}
|
}
|
|
g_free (tmp_nullable_locals);
|
}
|
|
static void
|
emit_runtime_invoke_body (MonoMethodBuilder *mb, MonoImage *image, MonoMethod *method,
|
MonoMethodSignature *sig, MonoMethodSignature *callsig,
|
gboolean virtual_, gboolean need_direct_wrapper)
|
{
|
gint32 labels [16];
|
MonoExceptionClause *clause;
|
int loc_res, loc_exc;
|
|
/* The wrapper looks like this:
|
*
|
* <interrupt check>
|
* if (exc) {
|
* try {
|
* return <call>
|
* } catch (Exception e) {
|
* *exc = e;
|
* }
|
* } else {
|
* return <call>
|
* }
|
*/
|
|
/* allocate local 0 (object) tmp */
|
loc_res = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
|
/* allocate local 1 (object) exc */
|
loc_exc = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
|
|
/* *exc is assumed to be initialized to NULL by the caller */
|
|
mono_mb_emit_byte (mb, CEE_LDARG_2);
|
labels [0] = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/*
|
* if (exc) case
|
*/
|
labels [1] = mono_mb_get_label (mb);
|
emit_thread_force_interrupt_checkpoint (mb);
|
emit_invoke_call (mb, method, sig, callsig, loc_res, virtual_, need_direct_wrapper);
|
|
labels [2] = mono_mb_emit_branch (mb, CEE_LEAVE);
|
|
/* Add a try clause around the call */
|
clause = (MonoExceptionClause *)mono_image_alloc0 (image, sizeof (MonoExceptionClause));
|
clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
|
clause->data.catch_class = mono_defaults.exception_class;
|
clause->try_offset = labels [1];
|
clause->try_len = mono_mb_get_label (mb) - labels [1];
|
|
clause->handler_offset = mono_mb_get_label (mb);
|
|
/* handler code */
|
mono_mb_emit_stloc (mb, loc_exc);
|
mono_mb_emit_byte (mb, CEE_LDARG_2);
|
mono_mb_emit_ldloc (mb, loc_exc);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
|
mono_mb_emit_branch (mb, CEE_LEAVE);
|
|
clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
|
|
mono_mb_set_clauses (mb, 1, clause);
|
|
mono_mb_patch_branch (mb, labels [2]);
|
mono_mb_emit_ldloc (mb, loc_res);
|
mono_mb_emit_byte (mb, CEE_RET);
|
|
/*
|
* if (!exc) case
|
*/
|
mono_mb_patch_branch (mb, labels [0]);
|
emit_thread_force_interrupt_checkpoint (mb);
|
emit_invoke_call (mb, method, sig, callsig, loc_res, virtual_, need_direct_wrapper);
|
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_RET);
|
}
|
#endif
|
|
/**
|
* mono_marshal_get_runtime_invoke:
|
* Generates IL code for the runtime invoke function:
|
*
|
* <code>MonoObject *runtime_invoke (MonoObject *this_obj, void **params, MonoObject **exc, void* method)</code>
|
*
|
* We also catch exceptions if \p exc is not NULL.
|
* If \p virtual is TRUE, then \p method is invoked virtually on \p this. This is useful since
|
* it means that the compiled code for \p method does not have to be looked up
|
* before calling the runtime invoke wrapper. In this case, the wrapper ignores
|
* its \p method argument.
|
*/
|
MonoMethod *
|
mono_marshal_get_runtime_invoke_full (MonoMethod *method, gboolean virtual_, gboolean need_direct_wrapper)
|
{
|
MonoMethodSignature *sig, *csig, *callsig;
|
MonoMethodBuilder *mb;
|
GHashTable *cache = NULL;
|
MonoClass *target_klass;
|
MonoMethod *res = NULL;
|
static MonoMethodSignature *cctor_signature = NULL;
|
static MonoMethodSignature *finalize_signature = NULL;
|
char *name;
|
const char *param_names [16];
|
WrapperInfo *info;
|
|
g_assert (method);
|
|
if (!cctor_signature) {
|
cctor_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
|
cctor_signature->ret = &mono_defaults.void_class->byval_arg;
|
}
|
if (!finalize_signature) {
|
finalize_signature = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
|
finalize_signature->ret = &mono_defaults.void_class->byval_arg;
|
finalize_signature->hasthis = 1;
|
}
|
|
/*
|
* Use a separate cache indexed by methods to speed things up and to avoid the
|
* boundless mempool growth caused by the signature_dup stuff below.
|
*/
|
if (virtual_)
|
cache = get_cache (&method->klass->image->runtime_invoke_vcall_cache, mono_aligned_addr_hash, NULL);
|
else
|
cache = get_cache (&mono_method_get_wrapper_cache (method)->runtime_invoke_direct_cache, mono_aligned_addr_hash, NULL);
|
|
res = mono_marshal_find_in_cache (cache, method);
|
if (res)
|
return res;
|
|
if (method->string_ctor) {
|
callsig = lookup_string_ctor_signature (mono_method_signature (method));
|
if (!callsig)
|
callsig = add_string_ctor_signature (method);
|
} else {
|
if (method_is_dynamic (method))
|
callsig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
|
else
|
callsig = mono_method_signature (method);
|
}
|
|
sig = mono_method_signature (method);
|
|
target_klass = get_wrapper_target_class (method->klass->image);
|
|
/* Try to share wrappers for non-corlib methods with simple signatures */
|
if (mono_metadata_signature_equal (callsig, cctor_signature)) {
|
callsig = cctor_signature;
|
target_klass = mono_defaults.object_class;
|
} else if (mono_metadata_signature_equal (callsig, finalize_signature)) {
|
callsig = finalize_signature;
|
target_klass = mono_defaults.object_class;
|
}
|
|
if (need_direct_wrapper) {
|
/* Already searched at the start */
|
} else {
|
MonoMethodSignature *tmp_sig;
|
|
callsig = mono_marshal_get_runtime_invoke_sig (callsig);
|
GHashTable **cache_table = NULL;
|
|
if (method->klass->valuetype && mono_method_signature (method)->hasthis)
|
cache_table = &mono_method_get_wrapper_cache (method)->runtime_invoke_vtype_cache;
|
else
|
cache_table = &mono_method_get_wrapper_cache (method)->runtime_invoke_cache;
|
|
cache = get_cache (cache_table, (GHashFunc)mono_signature_hash,
|
(GCompareFunc)runtime_invoke_signature_equal);
|
|
/* from mono_marshal_find_in_cache */
|
mono_marshal_lock ();
|
res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
|
mono_marshal_unlock ();
|
|
if (res) {
|
g_free (callsig);
|
return res;
|
}
|
|
/* Make a copy of the signature from the image mempool */
|
tmp_sig = callsig;
|
callsig = mono_metadata_signature_dup_full (target_klass->image, callsig);
|
g_free (tmp_sig);
|
}
|
|
csig = mono_metadata_signature_alloc (target_klass->image, 4);
|
|
csig->ret = &mono_defaults.object_class->byval_arg;
|
if (method->klass->valuetype && mono_method_signature (method)->hasthis)
|
csig->params [0] = get_runtime_invoke_type (&method->klass->this_arg, FALSE);
|
else
|
csig->params [0] = &mono_defaults.object_class->byval_arg;
|
csig->params [1] = &mono_defaults.int_class->byval_arg;
|
csig->params [2] = &mono_defaults.int_class->byval_arg;
|
csig->params [3] = &mono_defaults.int_class->byval_arg;
|
csig->pinvoke = 1;
|
#if TARGET_WIN32
|
/* This is called from runtime code so it has to be cdecl */
|
csig->call_convention = MONO_CALL_C;
|
#endif
|
|
name = mono_signature_to_name (callsig, virtual_ ? "runtime_invoke_virtual" : (need_direct_wrapper ? "runtime_invoke_direct" : "runtime_invoke"));
|
mb = mono_mb_new (target_klass, name, MONO_WRAPPER_RUNTIME_INVOKE);
|
g_free (name);
|
|
#ifdef ENABLE_ILGEN
|
param_names [0] = "this";
|
param_names [1] = "params";
|
param_names [2] = "exc";
|
param_names [3] = "method";
|
mono_mb_set_param_names (mb, param_names);
|
|
emit_runtime_invoke_body (mb, target_klass->image, method, sig, callsig, virtual_, need_direct_wrapper);
|
#endif
|
|
if (need_direct_wrapper) {
|
#ifdef ENABLE_ILGEN
|
mb->skip_visibility = 1;
|
#endif
|
info = mono_wrapper_info_create (mb, virtual_ ? WRAPPER_SUBTYPE_RUNTIME_INVOKE_VIRTUAL : WRAPPER_SUBTYPE_RUNTIME_INVOKE_DIRECT);
|
info->d.runtime_invoke.method = method;
|
res = mono_mb_create_and_cache_full (cache, method, mb, csig, sig->param_count + 16, info, NULL);
|
} else {
|
/* taken from mono_mb_create_and_cache */
|
mono_marshal_lock ();
|
res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
|
mono_marshal_unlock ();
|
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
|
info->d.runtime_invoke.sig = callsig;
|
|
/* Somebody may have created it before us */
|
if (!res) {
|
MonoMethod *newm;
|
newm = mono_mb_create (mb, csig, sig->param_count + 16, info);
|
|
mono_marshal_lock ();
|
res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
|
if (!res) {
|
GHashTable *direct_cache;
|
res = newm;
|
g_hash_table_insert (cache, callsig, res);
|
/* Can't insert it into wrapper_hash since the key is a signature */
|
direct_cache = mono_method_get_wrapper_cache (method)->runtime_invoke_direct_cache;
|
|
g_hash_table_insert (direct_cache, method, res);
|
} else {
|
mono_free_method (newm);
|
}
|
mono_marshal_unlock ();
|
}
|
|
/* end mono_mb_create_and_cache */
|
}
|
|
mono_mb_free (mb);
|
|
return res;
|
}
|
|
MonoMethod *
|
mono_marshal_get_runtime_invoke (MonoMethod *method, gboolean virtual_)
|
{
|
gboolean need_direct_wrapper = FALSE;
|
|
if (virtual_)
|
need_direct_wrapper = TRUE;
|
|
if (method->dynamic)
|
need_direct_wrapper = TRUE;
|
|
if (method->klass->rank && (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
|
(method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)) {
|
/*
|
* Array Get/Set/Address methods. The JIT implements them using inline code
|
* so we need to create an invoke wrapper which calls the method directly.
|
*/
|
need_direct_wrapper = TRUE;
|
}
|
|
if (method->string_ctor) {
|
/* Can't share this as we push a string as this */
|
need_direct_wrapper = TRUE;
|
}
|
|
return mono_marshal_get_runtime_invoke_full (method, virtual_, need_direct_wrapper);
|
}
|
|
/*
|
* mono_marshal_get_runtime_invoke_dynamic:
|
*
|
* Return a method which can be used to invoke managed methods from native code
|
* dynamically.
|
* The signature of the returned method is given by RuntimeInvokeDynamicFunction:
|
* void runtime_invoke (void *args, MonoObject **exc, void *compiled_method)
|
* ARGS should point to an architecture specific structure containing
|
* the arguments and space for the return value.
|
* The other arguments are the same as for runtime_invoke (), except that
|
* ARGS should contain the this argument too.
|
* This wrapper serves the same purpose as the runtime-invoke wrappers, but there
|
* is only one copy of it, which is useful in full-aot.
|
*/
|
MonoMethod*
|
mono_marshal_get_runtime_invoke_dynamic (void)
|
{
|
static MonoMethod *method;
|
MonoMethodSignature *csig;
|
MonoExceptionClause *clause;
|
MonoMethodBuilder *mb;
|
int pos;
|
char *name;
|
WrapperInfo *info;
|
|
if (method)
|
return method;
|
|
csig = mono_metadata_signature_alloc (mono_defaults.corlib, 4);
|
|
csig->ret = &mono_defaults.void_class->byval_arg;
|
csig->params [0] = &mono_defaults.int_class->byval_arg;
|
csig->params [1] = &mono_defaults.int_class->byval_arg;
|
csig->params [2] = &mono_defaults.int_class->byval_arg;
|
csig->params [3] = &mono_defaults.int_class->byval_arg;
|
|
name = g_strdup ("runtime_invoke_dynamic");
|
mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
|
g_free (name);
|
|
#ifdef ENABLE_ILGEN
|
/* allocate local 0 (object) tmp */
|
mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
|
/* allocate local 1 (object) exc */
|
mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
|
|
/* cond set *exc to null */
|
mono_mb_emit_byte (mb, CEE_LDARG_1);
|
mono_mb_emit_byte (mb, CEE_BRFALSE_S);
|
mono_mb_emit_byte (mb, 3);
|
mono_mb_emit_byte (mb, CEE_LDARG_1);
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
|
emit_thread_force_interrupt_checkpoint (mb);
|
|
mono_mb_emit_byte (mb, CEE_LDARG_0);
|
mono_mb_emit_byte (mb, CEE_LDARG_2);
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_byte (mb, CEE_MONO_DYN_CALL);
|
|
pos = mono_mb_emit_branch (mb, CEE_LEAVE);
|
|
clause = (MonoExceptionClause *)mono_image_alloc0 (mono_defaults.corlib, sizeof (MonoExceptionClause));
|
clause->flags = MONO_EXCEPTION_CLAUSE_FILTER;
|
clause->try_len = mono_mb_get_label (mb);
|
|
/* filter code */
|
clause->data.filter_offset = mono_mb_get_label (mb);
|
|
mono_mb_emit_byte (mb, CEE_POP);
|
mono_mb_emit_byte (mb, CEE_LDARG_1);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_0);
|
mono_mb_emit_byte (mb, CEE_PREFIX1);
|
mono_mb_emit_byte (mb, CEE_CGT_UN);
|
mono_mb_emit_byte (mb, CEE_PREFIX1);
|
mono_mb_emit_byte (mb, CEE_ENDFILTER);
|
|
clause->handler_offset = mono_mb_get_label (mb);
|
|
/* handler code */
|
/* store exception */
|
mono_mb_emit_stloc (mb, 1);
|
|
mono_mb_emit_byte (mb, CEE_LDARG_1);
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
mono_mb_emit_stloc (mb, 0);
|
|
mono_mb_emit_branch (mb, CEE_LEAVE);
|
|
clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
|
|
mono_mb_set_clauses (mb, 1, clause);
|
|
/* return result */
|
mono_mb_patch_branch (mb, pos);
|
//mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_RET);
|
#endif /* ENABLE_ILGEN */
|
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_DYNAMIC);
|
|
mono_marshal_lock ();
|
/* double-checked locking */
|
if (!method)
|
method = mono_mb_create (mb, csig, 16, info);
|
|
mono_marshal_unlock ();
|
|
mono_mb_free (mb);
|
|
return method;
|
}
|
|
/*
|
* mono_marshal_get_runtime_invoke_for_sig:
|
*
|
* Return a runtime invoke wrapper for a given signature.
|
*/
|
MonoMethod *
|
mono_marshal_get_runtime_invoke_for_sig (MonoMethodSignature *sig)
|
{
|
MonoMethodSignature *csig, *callsig;
|
MonoMethodBuilder *mb;
|
MonoImage *image;
|
GHashTable *cache = NULL;
|
GHashTable **cache_table = NULL;
|
MonoMethod *res = NULL;
|
char *name;
|
const char *param_names [16];
|
WrapperInfo *info;
|
|
/* A simplified version of mono_marshal_get_runtime_invoke */
|
|
image = mono_defaults.corlib;
|
|
callsig = mono_marshal_get_runtime_invoke_sig (sig);
|
|
cache_table = &image->wrapper_caches.runtime_invoke_sig_cache;
|
|
cache = get_cache (cache_table, (GHashFunc)mono_signature_hash,
|
(GCompareFunc)runtime_invoke_signature_equal);
|
|
/* from mono_marshal_find_in_cache */
|
mono_marshal_lock ();
|
res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
|
mono_marshal_unlock ();
|
|
if (res) {
|
g_free (callsig);
|
return res;
|
}
|
|
/* Make a copy of the signature from the image mempool */
|
callsig = mono_metadata_signature_dup_full (image, callsig);
|
|
csig = mono_metadata_signature_alloc (image, 4);
|
csig->ret = &mono_defaults.object_class->byval_arg;
|
csig->params [0] = &mono_defaults.object_class->byval_arg;
|
csig->params [1] = &mono_defaults.int_class->byval_arg;
|
csig->params [2] = &mono_defaults.int_class->byval_arg;
|
csig->params [3] = &mono_defaults.int_class->byval_arg;
|
csig->pinvoke = 1;
|
#if TARGET_WIN32
|
/* This is called from runtime code so it has to be cdecl */
|
csig->call_convention = MONO_CALL_C;
|
#endif
|
|
name = mono_signature_to_name (callsig, "runtime_invoke_sig");
|
mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_RUNTIME_INVOKE);
|
g_free (name);
|
|
#ifdef ENABLE_ILGEN
|
param_names [0] = "this";
|
param_names [1] = "params";
|
param_names [2] = "exc";
|
param_names [3] = "method";
|
mono_mb_set_param_names (mb, param_names);
|
|
emit_runtime_invoke_body (mb, image, NULL, sig, callsig, FALSE, FALSE);
|
#endif
|
|
/* taken from mono_mb_create_and_cache */
|
mono_marshal_lock ();
|
res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
|
mono_marshal_unlock ();
|
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_RUNTIME_INVOKE_NORMAL);
|
info->d.runtime_invoke.sig = callsig;
|
|
/* Somebody may have created it before us */
|
if (!res) {
|
MonoMethod *newm;
|
newm = mono_mb_create (mb, csig, sig->param_count + 16, info);
|
|
mono_marshal_lock ();
|
res = (MonoMethod *)g_hash_table_lookup (cache, callsig);
|
if (!res) {
|
res = newm;
|
g_hash_table_insert (cache, callsig, res);
|
} else {
|
mono_free_method (newm);
|
}
|
mono_marshal_unlock ();
|
}
|
|
/* end mono_mb_create_and_cache */
|
|
mono_mb_free (mb);
|
|
return res;
|
}
|
|
#ifdef ENABLE_ILGEN
|
static void
|
mono_mb_emit_auto_layout_exception (MonoMethodBuilder *mb, MonoClass *klass)
|
{
|
char *msg = g_strdup_printf ("The type `%s.%s' layout needs to be Sequential or Explicit",
|
klass->name_space, klass->name);
|
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
}
|
#endif
|
|
/**
|
* mono_marshal_get_icall_wrapper:
|
* Generates IL code for the icall wrapper. The generated method
|
* calls the unmanaged code in \p func.
|
*/
|
MonoMethod *
|
mono_marshal_get_icall_wrapper (MonoMethodSignature *sig, const char *name, gconstpointer func, gboolean check_exceptions)
|
{
|
MonoMethodSignature *csig, *csig2;
|
MonoMethodBuilder *mb;
|
MonoMethod *res;
|
int i;
|
WrapperInfo *info;
|
|
GHashTable *cache = get_cache (&mono_defaults.object_class->image->icall_wrapper_cache, mono_aligned_addr_hash, NULL);
|
if ((res = mono_marshal_find_in_cache (cache, (gpointer) func)))
|
return res;
|
|
g_assert (sig->pinvoke);
|
|
mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
|
|
mb->method->save_lmf = 1;
|
|
/* Add an explicit this argument */
|
if (sig->hasthis)
|
csig2 = mono_metadata_signature_dup_add_this (mono_defaults.corlib, sig, mono_defaults.object_class);
|
else
|
csig2 = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
|
|
#ifdef ENABLE_ILGEN
|
if (sig->hasthis)
|
mono_mb_emit_byte (mb, CEE_LDARG_0);
|
|
for (i = 0; i < sig->param_count; i++)
|
mono_mb_emit_ldarg (mb, i + sig->hasthis);
|
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_op (mb, CEE_MONO_JIT_ICALL_ADDR, (gpointer)func);
|
mono_mb_emit_calli (mb, csig2);
|
if (check_exceptions)
|
emit_thread_interrupt_checkpoint (mb);
|
mono_mb_emit_byte (mb, CEE_RET);
|
#endif
|
|
csig = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
|
csig->pinvoke = 0;
|
if (csig->call_convention == MONO_CALL_VARARG)
|
csig->call_convention = 0;
|
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ICALL_WRAPPER);
|
info->d.icall.func = (gpointer)func;
|
res = mono_mb_create_and_cache_full (cache, (gpointer) func, mb, csig, csig->param_count + 16, info, NULL);
|
mono_mb_free (mb);
|
|
return res;
|
}
|
|
static int
|
emit_marshal_custom (EmitMarshalContext *m, int argnum, MonoType *t,
|
MonoMarshalSpec *spec,
|
int conv_arg, MonoType **conv_arg_type,
|
MarshalAction action)
|
{
|
#ifndef ENABLE_ILGEN
|
if (action == MARSHAL_ACTION_CONV_IN && t->type == MONO_TYPE_VALUETYPE)
|
*conv_arg_type = &mono_defaults.int_class->byval_arg;
|
return conv_arg;
|
#else
|
MonoError error;
|
MonoType *mtype;
|
MonoClass *mklass;
|
static MonoClass *ICustomMarshaler = NULL;
|
static MonoMethod *cleanup_native, *cleanup_managed;
|
static MonoMethod *marshal_managed_to_native, *marshal_native_to_managed;
|
MonoMethod *get_instance = NULL;
|
MonoMethodBuilder *mb = m->mb;
|
char *exception_msg = NULL;
|
guint32 loc1;
|
int pos2;
|
|
if (!ICustomMarshaler) {
|
MonoClass *klass = mono_class_try_get_icustom_marshaler_class ();
|
if (!klass) {
|
exception_msg = g_strdup ("Current profile doesn't support ICustomMarshaler");
|
goto handle_exception;
|
}
|
|
cleanup_native = mono_class_get_method_from_name (klass, "CleanUpNativeData", 1);
|
g_assert (cleanup_native);
|
cleanup_managed = mono_class_get_method_from_name (klass, "CleanUpManagedData", 1);
|
g_assert (cleanup_managed);
|
marshal_managed_to_native = mono_class_get_method_from_name (klass, "MarshalManagedToNative", 1);
|
g_assert (marshal_managed_to_native);
|
marshal_native_to_managed = mono_class_get_method_from_name (klass, "MarshalNativeToManaged", 1);
|
g_assert (marshal_native_to_managed);
|
|
mono_memory_barrier ();
|
ICustomMarshaler = klass;
|
}
|
|
if (spec->data.custom_data.image)
|
mtype = mono_reflection_type_from_name_checked (spec->data.custom_data.custom_name, spec->data.custom_data.image, &error);
|
else
|
mtype = mono_reflection_type_from_name_checked (spec->data.custom_data.custom_name, m->image, &error);
|
g_assert (mtype != NULL);
|
mono_error_assert_ok (&error);
|
mklass = mono_class_from_mono_type (mtype);
|
g_assert (mklass != NULL);
|
|
if (!mono_class_is_assignable_from (ICustomMarshaler, mklass))
|
exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement the ICustomMarshaler interface.", mklass->name);
|
|
get_instance = mono_class_get_method_from_name_flags (mklass, "GetInstance", 1, METHOD_ATTRIBUTE_STATIC);
|
if (get_instance) {
|
MonoMethodSignature *get_sig = mono_method_signature (get_instance);
|
if ((get_sig->ret->type != MONO_TYPE_CLASS) ||
|
(mono_class_from_mono_type (get_sig->ret) != ICustomMarshaler) ||
|
(get_sig->params [0]->type != MONO_TYPE_STRING))
|
get_instance = NULL;
|
}
|
|
if (!get_instance)
|
exception_msg = g_strdup_printf ("Custom marshaler '%s' does not implement a static GetInstance method that takes a single string parameter and returns an ICustomMarshaler.", mklass->name);
|
|
handle_exception:
|
/* Throw exception and emit compensation code if neccesary */
|
if (exception_msg) {
|
switch (action) {
|
case MARSHAL_ACTION_CONV_IN:
|
case MARSHAL_ACTION_CONV_RESULT:
|
case MARSHAL_ACTION_MANAGED_CONV_RESULT:
|
if ((action == MARSHAL_ACTION_CONV_RESULT) || (action == MARSHAL_ACTION_MANAGED_CONV_RESULT))
|
mono_mb_emit_byte (mb, CEE_POP);
|
|
mono_mb_emit_exception_full (mb, "System", "ApplicationException", exception_msg);
|
|
break;
|
case MARSHAL_ACTION_PUSH:
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
break;
|
default:
|
break;
|
}
|
return 0;
|
}
|
|
/* FIXME: MS.NET seems to create one instance for each klass + cookie pair */
|
/* FIXME: MS.NET throws an exception if GetInstance returns null */
|
|
switch (action) {
|
case MARSHAL_ACTION_CONV_IN:
|
switch (t->type) {
|
case MONO_TYPE_CLASS:
|
case MONO_TYPE_OBJECT:
|
case MONO_TYPE_STRING:
|
case MONO_TYPE_ARRAY:
|
case MONO_TYPE_SZARRAY:
|
case MONO_TYPE_VALUETYPE:
|
break;
|
|
default:
|
g_warning ("custom marshalling of type %x is currently not supported", t->type);
|
g_assert_not_reached ();
|
break;
|
}
|
|
conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
mono_mb_emit_stloc (mb, conv_arg);
|
|
if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT))
|
break;
|
|
/* Minic MS.NET behavior */
|
if (!t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT) && !(t->attrs & PARAM_ATTRIBUTE_IN))
|
break;
|
|
/* Check for null */
|
mono_mb_emit_ldarg (mb, argnum);
|
if (t->byref)
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
|
|
mono_mb_emit_op (mb, CEE_CALL, get_instance);
|
|
mono_mb_emit_ldarg (mb, argnum);
|
if (t->byref)
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
|
if (t->type == MONO_TYPE_VALUETYPE) {
|
/*
|
* Since we can't determine the type of the argument, we
|
* will assume the unmanaged function takes a pointer.
|
*/
|
*conv_arg_type = &mono_defaults.int_class->byval_arg;
|
|
mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (t));
|
}
|
|
mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
|
mono_mb_emit_stloc (mb, conv_arg);
|
|
mono_mb_patch_branch (mb, pos2);
|
break;
|
|
case MARSHAL_ACTION_CONV_OUT:
|
/* Check for null */
|
mono_mb_emit_ldloc (mb, conv_arg);
|
pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
if (t->byref) {
|
mono_mb_emit_ldarg (mb, argnum);
|
|
mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
|
|
mono_mb_emit_op (mb, CEE_CALL, get_instance);
|
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
} else if (t->attrs & PARAM_ATTRIBUTE_OUT) {
|
mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
|
|
mono_mb_emit_op (mb, CEE_CALL, get_instance);
|
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
|
|
/* We have nowhere to store the result */
|
mono_mb_emit_byte (mb, CEE_POP);
|
}
|
|
mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
|
|
mono_mb_emit_op (mb, CEE_CALL, get_instance);
|
|
mono_mb_emit_ldloc (mb, conv_arg);
|
|
mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
|
|
mono_mb_patch_branch (mb, pos2);
|
break;
|
|
case MARSHAL_ACTION_PUSH:
|
if (t->byref)
|
mono_mb_emit_ldloc_addr (mb, conv_arg);
|
else
|
mono_mb_emit_ldloc (mb, conv_arg);
|
break;
|
|
case MARSHAL_ACTION_CONV_RESULT:
|
loc1 = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
mono_mb_emit_stloc (mb, 3);
|
|
mono_mb_emit_ldloc (mb, 3);
|
mono_mb_emit_stloc (mb, loc1);
|
|
/* Check for null */
|
mono_mb_emit_ldloc (mb, 3);
|
pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
|
|
mono_mb_emit_op (mb, CEE_CALL, get_instance);
|
mono_mb_emit_byte (mb, CEE_DUP);
|
|
mono_mb_emit_ldloc (mb, 3);
|
mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
|
mono_mb_emit_stloc (mb, 3);
|
|
mono_mb_emit_ldloc (mb, loc1);
|
mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_native);
|
|
mono_mb_patch_branch (mb, pos2);
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_IN:
|
conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
|
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
mono_mb_emit_stloc (mb, conv_arg);
|
|
if (t->byref && t->attrs & PARAM_ATTRIBUTE_OUT)
|
break;
|
|
/* Check for null */
|
mono_mb_emit_ldarg (mb, argnum);
|
if (t->byref)
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
|
mono_mb_emit_op (mb, CEE_CALL, get_instance);
|
|
mono_mb_emit_ldarg (mb, argnum);
|
if (t->byref)
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
|
mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_native_to_managed);
|
mono_mb_emit_stloc (mb, conv_arg);
|
|
mono_mb_patch_branch (mb, pos2);
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_RESULT:
|
g_assert (!t->byref);
|
|
loc1 = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
|
|
mono_mb_emit_stloc (mb, 3);
|
|
mono_mb_emit_ldloc (mb, 3);
|
mono_mb_emit_stloc (mb, loc1);
|
|
/* Check for null */
|
mono_mb_emit_ldloc (mb, 3);
|
pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
|
mono_mb_emit_op (mb, CEE_CALL, get_instance);
|
mono_mb_emit_byte (mb, CEE_DUP);
|
|
mono_mb_emit_ldloc (mb, 3);
|
mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
|
mono_mb_emit_stloc (mb, 3);
|
|
mono_mb_emit_ldloc (mb, loc1);
|
mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
|
|
mono_mb_patch_branch (mb, pos2);
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_OUT:
|
|
/* Check for null */
|
mono_mb_emit_ldloc (mb, conv_arg);
|
pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
if (t->byref) {
|
mono_mb_emit_ldarg (mb, argnum);
|
|
mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
|
|
mono_mb_emit_op (mb, CEE_CALL, get_instance);
|
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_op (mb, CEE_CALLVIRT, marshal_managed_to_native);
|
mono_mb_emit_byte (mb, CEE_STIND_I);
|
}
|
|
/* Call CleanUpManagedData */
|
mono_mb_emit_ldstr (mb, g_strdup (spec->data.custom_data.cookie));
|
|
mono_mb_emit_op (mb, CEE_CALL, get_instance);
|
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_op (mb, CEE_CALLVIRT, cleanup_managed);
|
|
mono_mb_patch_branch (mb, pos2);
|
break;
|
|
default:
|
g_assert_not_reached ();
|
}
|
return conv_arg;
|
#endif
|
|
}
|
|
static int
|
emit_marshal_asany (EmitMarshalContext *m, int argnum, MonoType *t,
|
MonoMarshalSpec *spec,
|
int conv_arg, MonoType **conv_arg_type,
|
MarshalAction action)
|
{
|
#ifdef ENABLE_ILGEN
|
MonoMethodBuilder *mb = m->mb;
|
|
switch (action) {
|
case MARSHAL_ACTION_CONV_IN: {
|
MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
|
|
g_assert (t->type == MONO_TYPE_OBJECT);
|
g_assert (!t->byref);
|
|
conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_icon (mb, encoding);
|
mono_mb_emit_icon (mb, t->attrs);
|
mono_mb_emit_icall (mb, mono_marshal_asany);
|
mono_mb_emit_stloc (mb, conv_arg);
|
break;
|
}
|
|
case MARSHAL_ACTION_PUSH:
|
mono_mb_emit_ldloc (mb, conv_arg);
|
break;
|
|
case MARSHAL_ACTION_CONV_OUT: {
|
MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, NULL);
|
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_icon (mb, encoding);
|
mono_mb_emit_icon (mb, t->attrs);
|
mono_mb_emit_icall (mb, mono_marshal_free_asany);
|
break;
|
}
|
|
default:
|
g_assert_not_reached ();
|
}
|
#endif
|
return conv_arg;
|
}
|
|
static int
|
emit_marshal_vtype (EmitMarshalContext *m, int argnum, MonoType *t,
|
MonoMarshalSpec *spec,
|
int conv_arg, MonoType **conv_arg_type,
|
MarshalAction action)
|
{
|
#ifdef ENABLE_ILGEN
|
MonoMethodBuilder *mb = m->mb;
|
MonoClass *klass, *date_time_class;
|
int pos = 0, pos2;
|
|
klass = mono_class_from_mono_type (t);
|
|
date_time_class = mono_class_get_date_time_class ();
|
|
switch (action) {
|
case MARSHAL_ACTION_CONV_IN:
|
if (klass == date_time_class) {
|
/* Convert it to an OLE DATE type */
|
static MonoMethod *to_oadate;
|
|
if (!to_oadate)
|
to_oadate = mono_class_get_method_from_name (date_time_class, "ToOADate", 0);
|
g_assert (to_oadate);
|
|
conv_arg = mono_mb_add_local (mb, &mono_defaults.double_class->byval_arg);
|
|
if (t->byref) {
|
mono_mb_emit_ldarg (mb, argnum);
|
pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
}
|
|
if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
|
if (!t->byref)
|
m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.double_class->byval_arg;
|
|
mono_mb_emit_ldarg_addr (mb, argnum);
|
mono_mb_emit_managed_call (mb, to_oadate, NULL);
|
mono_mb_emit_stloc (mb, conv_arg);
|
}
|
|
if (t->byref)
|
mono_mb_patch_branch (mb, pos);
|
break;
|
}
|
|
if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype)
|
break;
|
|
conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
/* store the address of the source into local variable 0 */
|
if (t->byref)
|
mono_mb_emit_ldarg (mb, argnum);
|
else
|
mono_mb_emit_ldarg_addr (mb, argnum);
|
|
mono_mb_emit_stloc (mb, 0);
|
|
/* allocate space for the native struct and
|
* store the address into local variable 1 (dest) */
|
mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
|
mono_mb_emit_byte (mb, CEE_PREFIX1);
|
mono_mb_emit_byte (mb, CEE_LOCALLOC);
|
mono_mb_emit_stloc (mb, conv_arg);
|
|
if (t->byref) {
|
mono_mb_emit_ldloc (mb, 0);
|
pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
}
|
|
if (!(t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))) {
|
/* set dst_ptr */
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_stloc (mb, 1);
|
|
/* emit valuetype conversion code */
|
emit_struct_conv (mb, klass, FALSE);
|
}
|
|
if (t->byref)
|
mono_mb_patch_branch (mb, pos);
|
break;
|
|
case MARSHAL_ACTION_PUSH:
|
if (spec && spec->native == MONO_NATIVE_LPSTRUCT) {
|
/* FIXME: */
|
g_assert (!t->byref);
|
|
/* Have to change the signature since the vtype is passed byref */
|
m->csig->params [argnum - m->csig->hasthis] = &mono_defaults.int_class->byval_arg;
|
|
if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype)
|
mono_mb_emit_ldarg_addr (mb, argnum);
|
else
|
mono_mb_emit_ldloc (mb, conv_arg);
|
break;
|
}
|
|
if (klass == date_time_class) {
|
if (t->byref)
|
mono_mb_emit_ldloc_addr (mb, conv_arg);
|
else
|
mono_mb_emit_ldloc (mb, conv_arg);
|
break;
|
}
|
|
if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype) {
|
mono_mb_emit_ldarg (mb, argnum);
|
break;
|
}
|
mono_mb_emit_ldloc (mb, conv_arg);
|
if (!t->byref) {
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_op (mb, CEE_MONO_LDNATIVEOBJ, klass);
|
}
|
break;
|
|
case MARSHAL_ACTION_CONV_OUT:
|
if (klass == date_time_class) {
|
/* Convert from an OLE DATE type */
|
static MonoMethod *from_oadate;
|
|
if (!t->byref)
|
break;
|
|
if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
|
if (!from_oadate)
|
from_oadate = mono_class_get_method_from_name (date_time_class, "FromOADate", 1);
|
g_assert (from_oadate);
|
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_managed_call (mb, from_oadate, NULL);
|
mono_mb_emit_op (mb, CEE_STOBJ, date_time_class);
|
}
|
break;
|
}
|
|
if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype)
|
break;
|
|
if (t->byref) {
|
/* dst = argument */
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_stloc (mb, 1);
|
|
mono_mb_emit_ldloc (mb, 1);
|
pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
if (!((t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))) {
|
/* src = tmp_locals [i] */
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_stloc (mb, 0);
|
|
/* emit valuetype conversion code */
|
emit_struct_conv (mb, klass, TRUE);
|
}
|
}
|
|
emit_struct_free (mb, klass, conv_arg);
|
|
if (t->byref)
|
mono_mb_patch_branch (mb, pos);
|
break;
|
|
case MARSHAL_ACTION_CONV_RESULT:
|
if (mono_class_is_explicit_layout (klass) || klass->blittable) {
|
mono_mb_emit_stloc (mb, 3);
|
break;
|
}
|
|
/* load pointer to returned value type */
|
g_assert (m->vtaddr_var);
|
mono_mb_emit_ldloc (mb, m->vtaddr_var);
|
/* store the address of the source into local variable 0 */
|
mono_mb_emit_stloc (mb, 0);
|
/* set dst_ptr */
|
mono_mb_emit_ldloc_addr (mb, 3);
|
mono_mb_emit_stloc (mb, 1);
|
|
/* emit valuetype conversion code */
|
emit_struct_conv (mb, klass, TRUE);
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_IN:
|
if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype) {
|
conv_arg = 0;
|
break;
|
}
|
|
conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
|
|
if (t->attrs & PARAM_ATTRIBUTE_OUT)
|
break;
|
|
if (t->byref)
|
mono_mb_emit_ldarg (mb, argnum);
|
else
|
mono_mb_emit_ldarg_addr (mb, argnum);
|
mono_mb_emit_stloc (mb, 0);
|
|
if (t->byref) {
|
mono_mb_emit_ldloc (mb, 0);
|
pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
}
|
|
mono_mb_emit_ldloc_addr (mb, conv_arg);
|
mono_mb_emit_stloc (mb, 1);
|
|
/* emit valuetype conversion code */
|
emit_struct_conv (mb, klass, TRUE);
|
|
if (t->byref)
|
mono_mb_patch_branch (mb, pos);
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_OUT:
|
if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype)
|
break;
|
if (t->byref && (t->attrs & PARAM_ATTRIBUTE_IN) && !(t->attrs & PARAM_ATTRIBUTE_OUT))
|
break;
|
|
/* Check for null */
|
mono_mb_emit_ldarg (mb, argnum);
|
pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/* Set src */
|
mono_mb_emit_ldloc_addr (mb, conv_arg);
|
mono_mb_emit_stloc (mb, 0);
|
|
/* Set dest */
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_stloc (mb, 1);
|
|
/* emit valuetype conversion code */
|
emit_struct_conv (mb, klass, FALSE);
|
|
mono_mb_patch_branch (mb, pos2);
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_RESULT:
|
if (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype) {
|
mono_mb_emit_stloc (mb, 3);
|
m->retobj_var = 0;
|
break;
|
}
|
|
/* load pointer to returned value type */
|
g_assert (m->vtaddr_var);
|
mono_mb_emit_ldloc (mb, m->vtaddr_var);
|
|
/* store the address of the source into local variable 0 */
|
mono_mb_emit_stloc (mb, 0);
|
/* allocate space for the native struct and
|
* store the address into dst_ptr */
|
m->retobj_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
m->retobj_class = klass;
|
g_assert (m->retobj_var);
|
mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
|
mono_mb_emit_byte (mb, CEE_CONV_I);
|
mono_mb_emit_icall (mb, ves_icall_marshal_alloc);
|
mono_mb_emit_stloc (mb, 1);
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_stloc (mb, m->retobj_var);
|
|
/* emit valuetype conversion code */
|
emit_struct_conv (mb, klass, FALSE);
|
break;
|
|
default:
|
g_assert_not_reached ();
|
}
|
#endif
|
return conv_arg;
|
}
|
|
static int
|
emit_marshal_string (EmitMarshalContext *m, int argnum, MonoType *t,
|
MonoMarshalSpec *spec,
|
int conv_arg, MonoType **conv_arg_type,
|
MarshalAction action)
|
{
|
#ifndef ENABLE_ILGEN
|
switch (action) {
|
case MARSHAL_ACTION_CONV_IN:
|
*conv_arg_type = &mono_defaults.int_class->byval_arg;
|
break;
|
case MARSHAL_ACTION_MANAGED_CONV_IN:
|
*conv_arg_type = &mono_defaults.int_class->byval_arg;
|
break;
|
}
|
#else
|
MonoMethodBuilder *mb = m->mb;
|
MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
|
MonoMarshalConv conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
|
gboolean need_free;
|
|
switch (action) {
|
case MARSHAL_ACTION_CONV_IN:
|
*conv_arg_type = &mono_defaults.int_class->byval_arg;
|
conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
if (t->byref) {
|
if (t->attrs & PARAM_ATTRIBUTE_OUT)
|
break;
|
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
} else {
|
mono_mb_emit_ldarg (mb, argnum);
|
}
|
|
if (conv == MONO_MARSHAL_CONV_INVALID) {
|
char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
} else {
|
mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
|
|
mono_mb_emit_stloc (mb, conv_arg);
|
}
|
break;
|
|
case MARSHAL_ACTION_CONV_OUT:
|
conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
|
if (conv == MONO_MARSHAL_CONV_INVALID) {
|
char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
break;
|
}
|
|
if (encoding == MONO_NATIVE_VBBYREFSTR) {
|
static MonoMethod *m;
|
|
if (!m) {
|
m = mono_class_get_method_from_name_flags (mono_defaults.string_class, "get_Length", -1, 0);
|
g_assert (m);
|
}
|
|
if (!t->byref) {
|
char *msg = g_strdup_printf ("VBByRefStr marshalling requires a ref parameter.", encoding);
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
break;
|
}
|
|
/*
|
* Have to allocate a new string with the same length as the original, and
|
* copy the contents of the buffer pointed to by CONV_ARG into it.
|
*/
|
g_assert (t->byref);
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_managed_call (mb, m, NULL);
|
mono_mb_emit_icall (mb, mono_string_new_len_wrapper);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
} else if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
|
int stind_op;
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
|
mono_mb_emit_byte (mb, stind_op);
|
need_free = TRUE;
|
}
|
|
if (need_free) {
|
mono_mb_emit_ldloc (mb, conv_arg);
|
if (conv == MONO_MARSHAL_CONV_BSTR_STR)
|
mono_mb_emit_icall (mb, mono_free_bstr);
|
else
|
mono_mb_emit_icall (mb, mono_marshal_free);
|
}
|
break;
|
|
case MARSHAL_ACTION_PUSH:
|
if (t->byref && encoding != MONO_NATIVE_VBBYREFSTR)
|
mono_mb_emit_ldloc_addr (mb, conv_arg);
|
else
|
mono_mb_emit_ldloc (mb, conv_arg);
|
break;
|
|
case MARSHAL_ACTION_CONV_RESULT:
|
mono_mb_emit_stloc (mb, 0);
|
|
conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
|
if (conv == MONO_MARSHAL_CONV_INVALID) {
|
char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
break;
|
}
|
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
|
mono_mb_emit_stloc (mb, 3);
|
|
/* free the string */
|
mono_mb_emit_ldloc (mb, 0);
|
if (conv == MONO_MARSHAL_CONV_BSTR_STR)
|
mono_mb_emit_icall (mb, mono_free_bstr);
|
else
|
mono_mb_emit_icall (mb, mono_marshal_free);
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_IN:
|
conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
|
|
*conv_arg_type = &mono_defaults.int_class->byval_arg;
|
|
if (t->byref) {
|
if (t->attrs & PARAM_ATTRIBUTE_OUT)
|
break;
|
}
|
|
conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
|
if (conv == MONO_MARSHAL_CONV_INVALID) {
|
char *msg = g_strdup_printf ("string marshalling conversion %d not implemented", encoding);
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
break;
|
}
|
|
mono_mb_emit_ldarg (mb, argnum);
|
if (t->byref)
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
|
mono_mb_emit_stloc (mb, conv_arg);
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_OUT:
|
if (t->byref) {
|
if (conv_arg) {
|
int stind_op;
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
|
mono_mb_emit_byte (mb, stind_op);
|
}
|
}
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_RESULT:
|
if (conv_to_icall (conv, NULL) == mono_marshal_string_to_utf16)
|
/* We need to make a copy so the caller is able to free it */
|
mono_mb_emit_icall (mb, mono_marshal_string_to_utf16_copy);
|
else
|
mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
|
mono_mb_emit_stloc (mb, 3);
|
break;
|
|
default:
|
g_assert_not_reached ();
|
}
|
#endif
|
return conv_arg;
|
}
|
|
|
static int
|
emit_marshal_safehandle (EmitMarshalContext *m, int argnum, MonoType *t,
|
MonoMarshalSpec *spec, int conv_arg,
|
MonoType **conv_arg_type, MarshalAction action)
|
{
|
#ifndef ENABLE_ILGEN
|
if (action == MARSHAL_ACTION_CONV_IN)
|
*conv_arg_type = &mono_defaults.int_class->byval_arg;
|
#else
|
MonoMethodBuilder *mb = m->mb;
|
|
switch (action){
|
case MARSHAL_ACTION_CONV_IN: {
|
MonoType *intptr_type;
|
int dar_release_slot, pos;
|
|
intptr_type = &mono_defaults.int_class->byval_arg;
|
conv_arg = mono_mb_add_local (mb, intptr_type);
|
*conv_arg_type = intptr_type;
|
|
if (!sh_dangerous_add_ref)
|
init_safe_handle ();
|
|
mono_mb_emit_ldarg (mb, argnum);
|
pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
|
mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
|
|
mono_mb_patch_branch (mb, pos);
|
if (t->byref){
|
/*
|
* My tests in show that ref SafeHandles are not really
|
* passed as ref objects. Instead a NULL is passed as the
|
* value of the ref
|
*/
|
mono_mb_emit_icon (mb, 0);
|
mono_mb_emit_stloc (mb, conv_arg);
|
break;
|
}
|
|
/* Create local to hold the ref parameter to DangerousAddRef */
|
dar_release_slot = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
|
|
/* set release = false; */
|
mono_mb_emit_icon (mb, 0);
|
mono_mb_emit_stloc (mb, dar_release_slot);
|
|
/* safehandle.DangerousAddRef (ref release) */
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_ldloc_addr (mb, dar_release_slot);
|
mono_mb_emit_managed_call (mb, sh_dangerous_add_ref, NULL);
|
|
/* Pull the handle field from SafeHandle */
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_stloc (mb, conv_arg);
|
|
break;
|
}
|
|
case MARSHAL_ACTION_PUSH:
|
if (t->byref)
|
mono_mb_emit_ldloc_addr (mb, conv_arg);
|
else
|
mono_mb_emit_ldloc (mb, conv_arg);
|
break;
|
|
case MARSHAL_ACTION_CONV_OUT: {
|
/* The slot for the boolean is the next temporary created after conv_arg, see the CONV_IN code */
|
int dar_release_slot = conv_arg + 1;
|
int label_next;
|
|
if (!sh_dangerous_release)
|
init_safe_handle ();
|
|
if (t->byref){
|
MonoMethod *ctor;
|
|
/*
|
* My tests indicate that ref SafeHandles parameters are not actually
|
* passed by ref, but instead a new Handle is created regardless of
|
* whether a change happens in the unmanaged side.
|
*
|
* Also, the Handle is created before calling into unmanaged code,
|
* but we do not support that mechanism (getting to the original
|
* handle) and it makes no difference where we create this
|
*/
|
ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
|
if (ctor == NULL){
|
mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
|
break;
|
}
|
/* refval = new SafeHandleDerived ()*/
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
|
/* refval.handle = returned_handle */
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_byte (mb, CEE_STIND_I);
|
} else {
|
mono_mb_emit_ldloc (mb, dar_release_slot);
|
label_next = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_managed_call (mb, sh_dangerous_release, NULL);
|
mono_mb_patch_branch (mb, label_next);
|
}
|
break;
|
}
|
|
case MARSHAL_ACTION_CONV_RESULT: {
|
MonoMethod *ctor = NULL;
|
int intptr_handle_slot;
|
|
if (mono_class_is_abstract (t->data.klass)) {
|
mono_mb_emit_byte (mb, CEE_POP);
|
mono_mb_emit_exception_marshal_directive (mb, g_strdup ("Returned SafeHandles should not be abstract"));
|
break;
|
}
|
|
ctor = mono_class_get_method_from_name (t->data.klass, ".ctor", 0);
|
if (ctor == NULL){
|
mono_mb_emit_byte (mb, CEE_POP);
|
mono_mb_emit_exception (mb, "MissingMethodException", "paramterless constructor required");
|
break;
|
}
|
/* Store the IntPtr results into a local */
|
intptr_handle_slot = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
mono_mb_emit_stloc (mb, intptr_handle_slot);
|
|
/* Create return value */
|
mono_mb_emit_op (mb, CEE_NEWOBJ, ctor);
|
mono_mb_emit_stloc (mb, 3);
|
|
/* Set the return.handle to the value, am using ldflda, not sure if thats a good idea */
|
mono_mb_emit_ldloc (mb, 3);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoSafeHandle, handle));
|
mono_mb_emit_ldloc (mb, intptr_handle_slot);
|
mono_mb_emit_byte (mb, CEE_STIND_I);
|
break;
|
}
|
|
case MARSHAL_ACTION_MANAGED_CONV_IN:
|
fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_OUT:
|
fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_RESULT:
|
fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
|
break;
|
default:
|
printf ("Unhandled case for MarshalAction: %d\n", action);
|
}
|
#endif
|
return conv_arg;
|
}
|
|
|
static int
|
emit_marshal_handleref (EmitMarshalContext *m, int argnum, MonoType *t,
|
MonoMarshalSpec *spec, int conv_arg,
|
MonoType **conv_arg_type, MarshalAction action)
|
{
|
#ifndef ENABLE_ILGEN
|
if (action == MARSHAL_ACTION_CONV_IN)
|
*conv_arg_type = &mono_defaults.int_class->byval_arg;
|
#else
|
MonoMethodBuilder *mb = m->mb;
|
|
switch (action){
|
case MARSHAL_ACTION_CONV_IN: {
|
MonoType *intptr_type;
|
|
intptr_type = &mono_defaults.int_class->byval_arg;
|
conv_arg = mono_mb_add_local (mb, intptr_type);
|
*conv_arg_type = intptr_type;
|
|
if (t->byref){
|
char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
break;
|
}
|
mono_mb_emit_ldarg_addr (mb, argnum);
|
mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoHandleRef, handle));
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_stloc (mb, conv_arg);
|
break;
|
}
|
|
case MARSHAL_ACTION_PUSH:
|
mono_mb_emit_ldloc (mb, conv_arg);
|
break;
|
|
case MARSHAL_ACTION_CONV_OUT: {
|
/* no resource release required */
|
break;
|
}
|
|
case MARSHAL_ACTION_CONV_RESULT: {
|
char *msg = g_strdup ("HandleRefs can not be returned from unmanaged code (or passed by ref)");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
break;
|
}
|
|
case MARSHAL_ACTION_MANAGED_CONV_IN:
|
fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_IN\n");
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_OUT:
|
fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_OUT\n");
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_RESULT:
|
fprintf (stderr, "mono/marshal: SafeHandles missing MANAGED_CONV_RESULT\n");
|
break;
|
default:
|
fprintf (stderr, "Unhandled case for MarshalAction: %d\n", action);
|
}
|
#endif
|
return conv_arg;
|
}
|
|
|
static int
|
emit_marshal_object (EmitMarshalContext *m, int argnum, MonoType *t,
|
MonoMarshalSpec *spec,
|
int conv_arg, MonoType **conv_arg_type,
|
MarshalAction action)
|
{
|
#ifndef ENABLE_ILGEN
|
if (action == MARSHAL_ACTION_CONV_IN)
|
*conv_arg_type = &mono_defaults.int_class->byval_arg;
|
#else
|
MonoMethodBuilder *mb = m->mb;
|
MonoClass *klass = mono_class_from_mono_type (t);
|
int pos, pos2, loc;
|
|
switch (action) {
|
case MARSHAL_ACTION_CONV_IN:
|
*conv_arg_type = &mono_defaults.int_class->byval_arg;
|
conv_arg = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
m->orig_conv_args [argnum] = 0;
|
|
if (mono_class_from_mono_type (t) == mono_defaults.object_class) {
|
char *msg = g_strdup_printf ("Marshalling of type object is not implemented");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
break;
|
}
|
|
if (klass->delegate) {
|
if (t->byref) {
|
if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
|
char *msg = g_strdup_printf ("Byref marshalling of delegates is not implemented.");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
}
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
mono_mb_emit_stloc (mb, conv_arg);
|
} else {
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN, NULL));
|
mono_mb_emit_stloc (mb, conv_arg);
|
}
|
} else if (klass == mono_defaults.stringbuilder_class) {
|
MonoMarshalNative encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
|
MonoMarshalConv conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
|
|
#if 0
|
if (t->byref) {
|
if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
|
char *msg = g_strdup_printf ("Byref marshalling of stringbuilders is not implemented.");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
}
|
break;
|
}
|
#endif
|
|
if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && (t->attrs & PARAM_ATTRIBUTE_OUT))
|
break;
|
|
if (conv == MONO_MARSHAL_CONV_INVALID) {
|
char *msg = g_strdup_printf ("stringbuilder marshalling conversion %d not implemented", encoding);
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
break;
|
}
|
|
mono_mb_emit_ldarg (mb, argnum);
|
if (t->byref)
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
|
mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
|
mono_mb_emit_stloc (mb, conv_arg);
|
} else if (klass->blittable) {
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
mono_mb_emit_stloc (mb, conv_arg);
|
|
mono_mb_emit_ldarg (mb, argnum);
|
pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_ldflda (mb, sizeof (MonoObject));
|
mono_mb_emit_stloc (mb, conv_arg);
|
|
mono_mb_patch_branch (mb, pos);
|
break;
|
} else {
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
mono_mb_emit_stloc (mb, conv_arg);
|
|
if (t->byref) {
|
/* we dont need any conversions for out parameters */
|
if (t->attrs & PARAM_ATTRIBUTE_OUT)
|
break;
|
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
|
} else {
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_byte (mb, CEE_MONO_OBJADDR);
|
}
|
|
/* store the address of the source into local variable 0 */
|
mono_mb_emit_stloc (mb, 0);
|
mono_mb_emit_ldloc (mb, 0);
|
pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/* allocate space for the native struct and store the address */
|
mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
|
mono_mb_emit_byte (mb, CEE_PREFIX1);
|
mono_mb_emit_byte (mb, CEE_LOCALLOC);
|
mono_mb_emit_stloc (mb, conv_arg);
|
|
if (t->byref) {
|
/* Need to store the original buffer so we can free it later */
|
m->orig_conv_args [argnum] = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_stloc (mb, m->orig_conv_args [argnum]);
|
}
|
|
/* set the src_ptr */
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_ldflda (mb, sizeof (MonoObject));
|
mono_mb_emit_stloc (mb, 0);
|
|
/* set dst_ptr */
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_stloc (mb, 1);
|
|
/* emit valuetype conversion code */
|
emit_struct_conv (mb, klass, FALSE);
|
|
mono_mb_patch_branch (mb, pos);
|
}
|
break;
|
|
case MARSHAL_ACTION_CONV_OUT:
|
if (klass == mono_defaults.stringbuilder_class) {
|
gboolean need_free;
|
MonoMarshalNative encoding;
|
MonoMarshalConv conv;
|
|
encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
|
conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
|
|
g_assert (encoding != -1);
|
|
if (t->byref) {
|
//g_assert (!(t->attrs & PARAM_ATTRIBUTE_OUT));
|
|
need_free = TRUE;
|
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
|
switch (encoding) {
|
case MONO_NATIVE_LPWSTR:
|
mono_mb_emit_icall (mb, mono_string_utf16_to_builder2);
|
break;
|
case MONO_NATIVE_LPSTR:
|
mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
|
break;
|
case MONO_NATIVE_UTF8STR:
|
mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
|
break;
|
default:
|
g_assert_not_reached ();
|
}
|
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
} else {
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
|
mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
|
}
|
|
if (need_free) {
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_icall (mb, mono_marshal_free);
|
}
|
break;
|
}
|
|
if (klass->delegate) {
|
if (t->byref) {
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL, NULL));
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
}
|
break;
|
}
|
|
if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT)) {
|
/* allocate a new object */
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
}
|
|
/* dst = *argument */
|
mono_mb_emit_ldarg (mb, argnum);
|
|
if (t->byref)
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
|
mono_mb_emit_stloc (mb, 1);
|
|
mono_mb_emit_ldloc (mb, 1);
|
pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
if (t->byref || (t->attrs & PARAM_ATTRIBUTE_OUT)) {
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_icon (mb, sizeof (MonoObject));
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_stloc (mb, 1);
|
|
/* src = tmp_locals [i] */
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_stloc (mb, 0);
|
|
/* emit valuetype conversion code */
|
emit_struct_conv (mb, klass, TRUE);
|
|
/* Free the structure returned by the native code */
|
emit_struct_free (mb, klass, conv_arg);
|
|
if (m->orig_conv_args [argnum]) {
|
/*
|
* If the native function changed the pointer, then free
|
* the original structure plus the new pointer.
|
*/
|
mono_mb_emit_ldloc (mb, m->orig_conv_args [argnum]);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
pos2 = mono_mb_emit_branch (mb, CEE_BEQ);
|
|
if (!(t->attrs & PARAM_ATTRIBUTE_OUT)) {
|
g_assert (m->orig_conv_args [argnum]);
|
|
emit_struct_free (mb, klass, m->orig_conv_args [argnum]);
|
}
|
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_icall (mb, mono_marshal_free);
|
|
mono_mb_patch_branch (mb, pos2);
|
}
|
}
|
else
|
/* Free the original structure passed to native code */
|
emit_struct_free (mb, klass, conv_arg);
|
|
mono_mb_patch_branch (mb, pos);
|
break;
|
|
case MARSHAL_ACTION_PUSH:
|
if (t->byref)
|
mono_mb_emit_ldloc_addr (mb, conv_arg);
|
else
|
mono_mb_emit_ldloc (mb, conv_arg);
|
break;
|
|
case MARSHAL_ACTION_CONV_RESULT:
|
if (klass->delegate) {
|
g_assert (!t->byref);
|
mono_mb_emit_stloc (mb, 0);
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL, NULL));
|
mono_mb_emit_stloc (mb, 3);
|
} else if (klass == mono_defaults.stringbuilder_class) {
|
// FIXME:
|
char *msg = g_strdup_printf ("Return marshalling of stringbuilders is not implemented.");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
} else {
|
/* set src */
|
mono_mb_emit_stloc (mb, 0);
|
|
/* Make a copy since emit_conv modifies local 0 */
|
loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_stloc (mb, loc);
|
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
mono_mb_emit_stloc (mb, 3);
|
|
mono_mb_emit_ldloc (mb, 0);
|
pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/* allocate result object */
|
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
|
mono_mb_emit_stloc (mb, 3);
|
|
/* set dst */
|
|
mono_mb_emit_ldloc (mb, 3);
|
mono_mb_emit_ldflda (mb, sizeof (MonoObject));
|
mono_mb_emit_stloc (mb, 1);
|
|
/* emit conversion code */
|
emit_struct_conv (mb, klass, TRUE);
|
|
emit_struct_free (mb, klass, loc);
|
|
/* Free the pointer allocated by unmanaged code */
|
mono_mb_emit_ldloc (mb, loc);
|
mono_mb_emit_icall (mb, mono_marshal_free);
|
mono_mb_patch_branch (mb, pos);
|
}
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_IN:
|
conv_arg = mono_mb_add_local (mb, &klass->byval_arg);
|
|
if (klass->delegate) {
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_op (mb, CEE_MONO_CLASSCONST, klass);
|
mono_mb_emit_ldarg (mb, argnum);
|
if (t->byref)
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_FTN_DEL, NULL));
|
mono_mb_emit_stloc (mb, conv_arg);
|
break;
|
}
|
|
if (klass == mono_defaults.stringbuilder_class) {
|
MonoMarshalNative encoding;
|
|
encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
|
|
// FIXME:
|
g_assert (encoding == MONO_NATIVE_LPSTR || encoding == MONO_NATIVE_UTF8STR);
|
|
g_assert (!t->byref);
|
g_assert (encoding != -1);
|
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_icall (mb, mono_string_utf8_to_builder2);
|
mono_mb_emit_stloc (mb, conv_arg);
|
break;
|
}
|
|
/* The class can not have an automatic layout */
|
if (mono_class_is_auto_layout (klass)) {
|
mono_mb_emit_auto_layout_exception (mb, klass);
|
break;
|
}
|
|
if (t->attrs & PARAM_ATTRIBUTE_OUT) {
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
mono_mb_emit_stloc (mb, conv_arg);
|
break;
|
}
|
|
/* Set src */
|
mono_mb_emit_ldarg (mb, argnum);
|
if (t->byref) {
|
int pos2;
|
|
/* Check for NULL and raise an exception */
|
pos2 = mono_mb_emit_branch (mb, CEE_BRTRUE);
|
|
mono_mb_emit_exception (mb, "ArgumentNullException", NULL);
|
|
mono_mb_patch_branch (mb, pos2);
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
}
|
|
mono_mb_emit_stloc (mb, 0);
|
|
mono_mb_emit_byte (mb, CEE_LDC_I4_0);
|
mono_mb_emit_stloc (mb, conv_arg);
|
|
mono_mb_emit_ldloc (mb, 0);
|
pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/* Create and set dst */
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_op (mb, CEE_MONO_NEWOBJ, klass);
|
mono_mb_emit_stloc (mb, conv_arg);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_ldflda (mb, sizeof (MonoObject));
|
mono_mb_emit_stloc (mb, 1);
|
|
/* emit valuetype conversion code */
|
emit_struct_conv (mb, klass, TRUE);
|
|
mono_mb_patch_branch (mb, pos);
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_OUT:
|
if (klass->delegate) {
|
if (t->byref) {
|
int stind_op;
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN, &stind_op));
|
mono_mb_emit_byte (mb, stind_op);
|
break;
|
}
|
}
|
|
if (t->byref) {
|
/* Check for null */
|
mono_mb_emit_ldloc (mb, conv_arg);
|
pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_0);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
pos2 = mono_mb_emit_branch (mb, CEE_BR);
|
|
mono_mb_patch_branch (mb, pos);
|
|
/* Set src */
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_ldflda (mb, sizeof (MonoObject));
|
mono_mb_emit_stloc (mb, 0);
|
|
/* Allocate and set dest */
|
mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
|
mono_mb_emit_byte (mb, CEE_CONV_I);
|
mono_mb_emit_icall (mb, ves_icall_marshal_alloc);
|
mono_mb_emit_stloc (mb, 1);
|
|
/* Update argument pointer */
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_byte (mb, CEE_STIND_I);
|
|
/* emit valuetype conversion code */
|
emit_struct_conv (mb, klass, FALSE);
|
|
mono_mb_patch_branch (mb, pos2);
|
} else if (klass == mono_defaults.stringbuilder_class) {
|
// FIXME: What to do here ?
|
} else {
|
/* byval [Out] marshalling */
|
|
/* FIXME: Handle null */
|
|
/* Set src */
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_ldflda (mb, sizeof (MonoObject));
|
mono_mb_emit_stloc (mb, 0);
|
|
/* Set dest */
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_stloc (mb, 1);
|
|
/* emit valuetype conversion code */
|
emit_struct_conv (mb, klass, FALSE);
|
}
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_RESULT:
|
if (klass->delegate) {
|
mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_DEL_FTN, NULL));
|
mono_mb_emit_stloc (mb, 3);
|
break;
|
}
|
|
/* The class can not have an automatic layout */
|
if (mono_class_is_auto_layout (klass)) {
|
mono_mb_emit_auto_layout_exception (mb, klass);
|
break;
|
}
|
|
mono_mb_emit_stloc (mb, 0);
|
/* Check for null */
|
mono_mb_emit_ldloc (mb, 0);
|
pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
mono_mb_emit_stloc (mb, 3);
|
pos2 = mono_mb_emit_branch (mb, CEE_BR);
|
|
mono_mb_patch_branch (mb, pos);
|
|
/* Set src */
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_ldflda (mb, sizeof (MonoObject));
|
mono_mb_emit_stloc (mb, 0);
|
|
/* Allocate and set dest */
|
mono_mb_emit_icon (mb, mono_class_native_size (klass, NULL));
|
mono_mb_emit_byte (mb, CEE_CONV_I);
|
mono_mb_emit_icall (mb, ves_icall_marshal_alloc);
|
mono_mb_emit_byte (mb, CEE_DUP);
|
mono_mb_emit_stloc (mb, 1);
|
mono_mb_emit_stloc (mb, 3);
|
|
emit_struct_conv (mb, klass, FALSE);
|
|
mono_mb_patch_branch (mb, pos2);
|
break;
|
|
default:
|
g_assert_not_reached ();
|
}
|
#endif
|
return conv_arg;
|
}
|
|
#ifdef ENABLE_ILGEN
|
#ifndef DISABLE_COM
|
|
static int
|
emit_marshal_variant (EmitMarshalContext *m, int argnum, MonoType *t,
|
MonoMarshalSpec *spec,
|
int conv_arg, MonoType **conv_arg_type,
|
MarshalAction action)
|
{
|
MonoMethodBuilder *mb = m->mb;
|
static MonoMethod *get_object_for_native_variant = NULL;
|
static MonoMethod *get_native_variant_for_object = NULL;
|
|
if (!get_object_for_native_variant)
|
get_object_for_native_variant = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetObjectForNativeVariant", 1);
|
g_assert (get_object_for_native_variant);
|
|
if (!get_native_variant_for_object)
|
get_native_variant_for_object = mono_class_get_method_from_name (mono_defaults.marshal_class, "GetNativeVariantForObject", 2);
|
g_assert (get_native_variant_for_object);
|
|
switch (action) {
|
case MARSHAL_ACTION_CONV_IN: {
|
conv_arg = mono_mb_add_local (mb, &mono_class_get_variant_class ()->byval_arg);
|
|
if (t->byref)
|
*conv_arg_type = &mono_class_get_variant_class ()->this_arg;
|
else
|
*conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
|
|
if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
|
break;
|
|
mono_mb_emit_ldarg (mb, argnum);
|
if (t->byref)
|
mono_mb_emit_byte(mb, CEE_LDIND_REF);
|
mono_mb_emit_ldloc_addr (mb, conv_arg);
|
mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
|
break;
|
}
|
|
case MARSHAL_ACTION_CONV_OUT: {
|
static MonoMethod *variant_clear = NULL;
|
|
if (!variant_clear)
|
variant_clear = mono_class_get_method_from_name (mono_class_get_variant_class (), "Clear", 0);
|
g_assert (variant_clear);
|
|
|
if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_ldloc_addr (mb, conv_arg);
|
mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
}
|
|
mono_mb_emit_ldloc_addr (mb, conv_arg);
|
mono_mb_emit_managed_call (mb, variant_clear, NULL);
|
break;
|
}
|
|
case MARSHAL_ACTION_PUSH:
|
if (t->byref)
|
mono_mb_emit_ldloc_addr (mb, conv_arg);
|
else
|
mono_mb_emit_ldloc (mb, conv_arg);
|
break;
|
|
case MARSHAL_ACTION_CONV_RESULT: {
|
char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
break;
|
}
|
|
case MARSHAL_ACTION_MANAGED_CONV_IN: {
|
conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
|
|
if (t->byref)
|
*conv_arg_type = &mono_class_get_variant_class ()->this_arg;
|
else
|
*conv_arg_type = &mono_class_get_variant_class ()->byval_arg;
|
|
if (t->byref && !(t->attrs & PARAM_ATTRIBUTE_IN) && t->attrs & PARAM_ATTRIBUTE_OUT)
|
break;
|
|
if (t->byref)
|
mono_mb_emit_ldarg (mb, argnum);
|
else
|
mono_mb_emit_ldarg_addr (mb, argnum);
|
mono_mb_emit_managed_call (mb, get_object_for_native_variant, NULL);
|
mono_mb_emit_stloc (mb, conv_arg);
|
break;
|
}
|
|
case MARSHAL_ACTION_MANAGED_CONV_OUT: {
|
if (t->byref && (t->attrs & PARAM_ATTRIBUTE_OUT || !(t->attrs & PARAM_ATTRIBUTE_IN))) {
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_managed_call (mb, get_native_variant_for_object, NULL);
|
}
|
break;
|
}
|
|
case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
|
char *msg = g_strdup ("Marshalling of VARIANT not supported as a return type.");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
break;
|
}
|
|
default:
|
g_assert_not_reached ();
|
}
|
|
return conv_arg;
|
}
|
|
#endif /* DISABLE_COM */
|
#endif /* ENABLE_ILGEN */
|
|
static gboolean
|
mono_pinvoke_is_unicode (MonoMethodPInvoke *piinfo)
|
{
|
switch (piinfo->piflags & PINVOKE_ATTRIBUTE_CHAR_SET_MASK) {
|
case PINVOKE_ATTRIBUTE_CHAR_SET_ANSI:
|
return FALSE;
|
case PINVOKE_ATTRIBUTE_CHAR_SET_UNICODE:
|
return TRUE;
|
case PINVOKE_ATTRIBUTE_CHAR_SET_AUTO:
|
default:
|
#ifdef TARGET_WIN32
|
return TRUE;
|
#else
|
return FALSE;
|
#endif
|
}
|
}
|
|
|
static int
|
emit_marshal_array (EmitMarshalContext *m, int argnum, MonoType *t,
|
MonoMarshalSpec *spec,
|
int conv_arg, MonoType **conv_arg_type,
|
MarshalAction action)
|
{
|
#ifndef ENABLE_ILGEN
|
switch (action) {
|
case MARSHAL_ACTION_CONV_IN:
|
*conv_arg_type = &mono_defaults.object_class->byval_arg;
|
break;
|
case MARSHAL_ACTION_MANAGED_CONV_IN:
|
*conv_arg_type = &mono_defaults.int_class->byval_arg;
|
break;
|
}
|
#else
|
MonoMethodBuilder *mb = m->mb;
|
MonoClass *klass = mono_class_from_mono_type (t);
|
gboolean need_convert, need_free;
|
MonoMarshalNative encoding;
|
|
encoding = mono_marshal_get_string_encoding (m->piinfo, spec);
|
|
switch (action) {
|
case MARSHAL_ACTION_CONV_IN:
|
*conv_arg_type = &mono_defaults.object_class->byval_arg;
|
conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
|
|
if (klass->element_class->blittable) {
|
mono_mb_emit_ldarg (mb, argnum);
|
if (t->byref)
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_CONV_ARRAY_LPARRAY, NULL));
|
mono_mb_emit_stloc (mb, conv_arg);
|
} else {
|
MonoClass *eklass;
|
guint32 label1, label2, label3;
|
int index_var, src_var, dest_ptr, esize;
|
MonoMarshalConv conv;
|
gboolean is_string = FALSE;
|
|
dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
eklass = klass->element_class;
|
|
if (eklass == mono_defaults.string_class) {
|
is_string = TRUE;
|
conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
|
}
|
else if (eklass == mono_defaults.stringbuilder_class) {
|
is_string = TRUE;
|
conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
|
}
|
else
|
conv = MONO_MARSHAL_CONV_INVALID;
|
|
if (is_string && conv == MONO_MARSHAL_CONV_INVALID) {
|
char *msg = g_strdup_printf ("string/stringbuilder marshalling conversion %d not implemented", encoding);
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
break;
|
}
|
|
src_var = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
|
mono_mb_emit_ldarg (mb, argnum);
|
if (t->byref)
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_stloc (mb, src_var);
|
|
/* Check null */
|
mono_mb_emit_ldloc (mb, src_var);
|
mono_mb_emit_stloc (mb, conv_arg);
|
mono_mb_emit_ldloc (mb, src_var);
|
label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
if (is_string)
|
esize = sizeof (gpointer);
|
else if (eklass == mono_defaults.char_class) /*can't call mono_marshal_type_size since it causes all sorts of asserts*/
|
esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
|
else
|
esize = mono_class_native_size (eklass, NULL);
|
|
/* allocate space for the native struct and store the address */
|
mono_mb_emit_icon (mb, esize);
|
mono_mb_emit_ldloc (mb, src_var);
|
mono_mb_emit_byte (mb, CEE_LDLEN);
|
|
if (eklass == mono_defaults.string_class) {
|
/* Make the array bigger for the terminating null */
|
mono_mb_emit_byte (mb, CEE_LDC_I4_1);
|
mono_mb_emit_byte (mb, CEE_ADD);
|
}
|
mono_mb_emit_byte (mb, CEE_MUL);
|
mono_mb_emit_byte (mb, CEE_PREFIX1);
|
mono_mb_emit_byte (mb, CEE_LOCALLOC);
|
mono_mb_emit_stloc (mb, conv_arg);
|
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_stloc (mb, dest_ptr);
|
|
/* Emit marshalling loop */
|
index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_0);
|
mono_mb_emit_stloc (mb, index_var);
|
label2 = mono_mb_get_label (mb);
|
mono_mb_emit_ldloc (mb, index_var);
|
mono_mb_emit_ldloc (mb, src_var);
|
mono_mb_emit_byte (mb, CEE_LDLEN);
|
label3 = mono_mb_emit_branch (mb, CEE_BGE);
|
|
/* Emit marshalling code */
|
|
if (is_string) {
|
int stind_op;
|
mono_mb_emit_ldloc (mb, dest_ptr);
|
mono_mb_emit_ldloc (mb, src_var);
|
mono_mb_emit_ldloc (mb, index_var);
|
mono_mb_emit_byte (mb, CEE_LDELEM_REF);
|
mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
|
mono_mb_emit_byte (mb, stind_op);
|
} else {
|
/* set the src_ptr */
|
mono_mb_emit_ldloc (mb, src_var);
|
mono_mb_emit_ldloc (mb, index_var);
|
mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
|
mono_mb_emit_stloc (mb, 0);
|
|
/* set dst_ptr */
|
mono_mb_emit_ldloc (mb, dest_ptr);
|
mono_mb_emit_stloc (mb, 1);
|
|
/* emit valuetype conversion code */
|
emit_struct_conv_full (mb, eklass, FALSE, 0, eklass == mono_defaults.char_class ? encoding : (MonoMarshalNative)-1);
|
}
|
|
mono_mb_emit_add_to_local (mb, index_var, 1);
|
mono_mb_emit_add_to_local (mb, dest_ptr, esize);
|
|
mono_mb_emit_branch_label (mb, CEE_BR, label2);
|
|
mono_mb_patch_branch (mb, label3);
|
|
if (eklass == mono_defaults.string_class) {
|
/* Null terminate */
|
mono_mb_emit_ldloc (mb, dest_ptr);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_0);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
}
|
|
mono_mb_patch_branch (mb, label1);
|
}
|
|
break;
|
|
case MARSHAL_ACTION_CONV_OUT:
|
/* Unicode character arrays are implicitly marshalled as [Out] under MS.NET */
|
need_convert = ((klass->element_class == mono_defaults.char_class) && (encoding == MONO_NATIVE_LPWSTR)) || (klass->element_class == mono_defaults.stringbuilder_class) || (t->attrs & PARAM_ATTRIBUTE_OUT);
|
need_free = mono_marshal_need_free (&klass->element_class->byval_arg,
|
m->piinfo, spec);
|
|
if ((t->attrs & PARAM_ATTRIBUTE_OUT) && spec && spec->native == MONO_NATIVE_LPARRAY && spec->data.array_data.param_num != -1) {
|
int param_num = spec->data.array_data.param_num;
|
MonoType *param_type;
|
|
param_type = m->sig->params [param_num];
|
|
if (param_type->byref && param_type->type != MONO_TYPE_I4) {
|
char *msg = g_strdup ("Not implemented.");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
break;
|
}
|
|
if (t->byref ) {
|
mono_mb_emit_ldarg (mb, argnum);
|
|
/* Create the managed array */
|
mono_mb_emit_ldarg (mb, param_num);
|
if (m->sig->params [param_num]->byref)
|
// FIXME: Support other types
|
mono_mb_emit_byte (mb, CEE_LDIND_I4);
|
mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
|
mono_mb_emit_op (mb, CEE_NEWARR, klass->element_class);
|
/* Store into argument */
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
}
|
}
|
|
if (need_convert || need_free) {
|
/* FIXME: Optimize blittable case */
|
MonoClass *eklass;
|
guint32 label1, label2, label3;
|
int index_var, src_ptr, loc, esize;
|
|
eklass = klass->element_class;
|
if ((eklass == mono_defaults.stringbuilder_class) || (eklass == mono_defaults.string_class))
|
esize = sizeof (gpointer);
|
else if (eklass == mono_defaults.char_class)
|
esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
|
else
|
esize = mono_class_native_size (eklass, NULL);
|
src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
loc = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
/* Check null */
|
mono_mb_emit_ldarg (mb, argnum);
|
if (t->byref)
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_stloc (mb, src_ptr);
|
|
/* Emit marshalling loop */
|
index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_0);
|
mono_mb_emit_stloc (mb, index_var);
|
label2 = mono_mb_get_label (mb);
|
mono_mb_emit_ldloc (mb, index_var);
|
mono_mb_emit_ldarg (mb, argnum);
|
if (t->byref)
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
mono_mb_emit_byte (mb, CEE_LDLEN);
|
label3 = mono_mb_emit_branch (mb, CEE_BGE);
|
|
/* Emit marshalling code */
|
|
if (eklass == mono_defaults.stringbuilder_class) {
|
gboolean need_free2;
|
MonoMarshalConv conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free2);
|
|
g_assert (conv != MONO_MARSHAL_CONV_INVALID);
|
|
/* dest */
|
mono_mb_emit_ldarg (mb, argnum);
|
if (t->byref)
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_ldloc (mb, index_var);
|
mono_mb_emit_byte (mb, CEE_LDELEM_REF);
|
|
/* src */
|
mono_mb_emit_ldloc (mb, src_ptr);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
|
mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
|
|
if (need_free) {
|
/* src */
|
mono_mb_emit_ldloc (mb, src_ptr);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
|
mono_mb_emit_icall (mb, mono_marshal_free);
|
}
|
}
|
else if (eklass == mono_defaults.string_class) {
|
if (need_free) {
|
/* src */
|
mono_mb_emit_ldloc (mb, src_ptr);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
|
mono_mb_emit_icall (mb, mono_marshal_free);
|
}
|
}
|
else {
|
if (need_convert) {
|
/* set the src_ptr */
|
mono_mb_emit_ldloc (mb, src_ptr);
|
mono_mb_emit_stloc (mb, 0);
|
|
/* set dst_ptr */
|
mono_mb_emit_ldarg (mb, argnum);
|
if (t->byref)
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
mono_mb_emit_ldloc (mb, index_var);
|
mono_mb_emit_op (mb, CEE_LDELEMA, eklass);
|
mono_mb_emit_stloc (mb, 1);
|
|
/* emit valuetype conversion code */
|
emit_struct_conv_full (mb, eklass, TRUE, 0, eklass == mono_defaults.char_class ? encoding : (MonoMarshalNative)-1);
|
}
|
|
if (need_free) {
|
mono_mb_emit_ldloc (mb, src_ptr);
|
mono_mb_emit_stloc (mb, loc);
|
mono_mb_emit_ldloc (mb, loc);
|
|
emit_struct_free (mb, eklass, loc);
|
}
|
}
|
|
mono_mb_emit_add_to_local (mb, index_var, 1);
|
mono_mb_emit_add_to_local (mb, src_ptr, esize);
|
|
mono_mb_emit_branch_label (mb, CEE_BR, label2);
|
|
mono_mb_patch_branch (mb, label1);
|
mono_mb_patch_branch (mb, label3);
|
}
|
|
if (klass->element_class->blittable) {
|
/* free memory allocated (if any) by MONO_MARSHAL_CONV_ARRAY_LPARRAY */
|
|
mono_mb_emit_ldarg (mb, argnum);
|
if (t->byref)
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_icall (mb, conv_to_icall (MONO_MARSHAL_FREE_LPARRAY, NULL));
|
}
|
|
break;
|
|
case MARSHAL_ACTION_PUSH:
|
if (t->byref)
|
mono_mb_emit_ldloc_addr (mb, conv_arg);
|
else
|
mono_mb_emit_ldloc (mb, conv_arg);
|
break;
|
|
case MARSHAL_ACTION_CONV_RESULT:
|
/* fixme: we need conversions here */
|
mono_mb_emit_stloc (mb, 3);
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_IN: {
|
MonoClass *eklass;
|
guint32 label1, label2, label3;
|
int index_var, src_ptr, esize, param_num, num_elem;
|
MonoMarshalConv conv;
|
gboolean is_string = FALSE;
|
|
conv_arg = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
|
*conv_arg_type = &mono_defaults.int_class->byval_arg;
|
|
if (t->byref) {
|
char *msg = g_strdup ("Byref array marshalling to managed code is not implemented.");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
return conv_arg;
|
}
|
if (!spec) {
|
char *msg = g_strdup ("[MarshalAs] attribute required to marshal arrays to managed code.");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
return conv_arg;
|
}
|
if (spec->native != MONO_NATIVE_LPARRAY) {
|
char *msg = g_strdup ("Non LPArray marshalling of arrays to managed code is not implemented.");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
return conv_arg;
|
}
|
|
/* FIXME: t is from the method which is wrapped, not the delegate type */
|
/* g_assert (t->attrs & PARAM_ATTRIBUTE_IN); */
|
|
param_num = spec->data.array_data.param_num;
|
num_elem = spec->data.array_data.num_elem;
|
if (spec->data.array_data.elem_mult == 0)
|
/* param_num is not specified */
|
param_num = -1;
|
|
if (param_num == -1) {
|
if (num_elem <= 0) {
|
char *msg = g_strdup ("Either SizeConst or SizeParamIndex should be specified when marshalling arrays to managed code.");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
return conv_arg;
|
}
|
}
|
|
/* FIXME: Optimize blittable case */
|
|
eklass = klass->element_class;
|
if (eklass == mono_defaults.string_class) {
|
is_string = TRUE;
|
conv = mono_marshal_get_ptr_to_string_conv (m->piinfo, spec, &need_free);
|
}
|
else if (eklass == mono_defaults.stringbuilder_class) {
|
is_string = TRUE;
|
conv = mono_marshal_get_ptr_to_stringbuilder_conv (m->piinfo, spec, &need_free);
|
}
|
else
|
conv = MONO_MARSHAL_CONV_INVALID;
|
|
mono_marshal_load_type_info (eklass);
|
|
if (is_string)
|
esize = sizeof (gpointer);
|
else
|
esize = mono_class_native_size (eklass, NULL);
|
src_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
mono_mb_emit_stloc (mb, conv_arg);
|
|
/* Check param index */
|
if (param_num != -1) {
|
if (param_num >= m->sig->param_count) {
|
char *msg = g_strdup ("Array size control parameter index is out of range.");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
return conv_arg;
|
}
|
switch (m->sig->params [param_num]->type) {
|
case MONO_TYPE_I1:
|
case MONO_TYPE_U1:
|
case MONO_TYPE_I2:
|
case MONO_TYPE_U2:
|
case MONO_TYPE_I4:
|
case MONO_TYPE_U4:
|
case MONO_TYPE_I:
|
case MONO_TYPE_U:
|
case MONO_TYPE_I8:
|
case MONO_TYPE_U8:
|
break;
|
default: {
|
char *msg = g_strdup ("Array size control parameter must be an integral type.");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
return conv_arg;
|
}
|
}
|
}
|
|
/* Check null */
|
mono_mb_emit_ldarg (mb, argnum);
|
label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_stloc (mb, src_ptr);
|
|
/* Create managed array */
|
/*
|
* The LPArray marshalling spec says that sometimes param_num starts
|
* from 1, sometimes it starts from 0. But MS seems to allways start
|
* from 0.
|
*/
|
|
if (param_num == -1) {
|
mono_mb_emit_icon (mb, num_elem);
|
} else {
|
mono_mb_emit_ldarg (mb, param_num);
|
if (num_elem > 0) {
|
mono_mb_emit_icon (mb, num_elem);
|
mono_mb_emit_byte (mb, CEE_ADD);
|
}
|
mono_mb_emit_byte (mb, CEE_CONV_OVF_I);
|
}
|
|
mono_mb_emit_op (mb, CEE_NEWARR, eklass);
|
mono_mb_emit_stloc (mb, conv_arg);
|
|
if (eklass->blittable) {
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_byte (mb, CEE_CONV_I);
|
mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_byte (mb, CEE_LDLEN);
|
mono_mb_emit_icon (mb, esize);
|
mono_mb_emit_byte (mb, CEE_MUL);
|
mono_mb_emit_byte (mb, CEE_PREFIX1);
|
mono_mb_emit_byte (mb, CEE_CPBLK);
|
mono_mb_patch_branch (mb, label1);
|
break;
|
}
|
|
/* Emit marshalling loop */
|
index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_0);
|
mono_mb_emit_stloc (mb, index_var);
|
label2 = mono_mb_get_label (mb);
|
mono_mb_emit_ldloc (mb, index_var);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_byte (mb, CEE_LDLEN);
|
label3 = mono_mb_emit_branch (mb, CEE_BGE);
|
|
/* Emit marshalling code */
|
if (is_string) {
|
g_assert (conv != MONO_MARSHAL_CONV_INVALID);
|
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_ldloc (mb, index_var);
|
|
mono_mb_emit_ldloc (mb, src_ptr);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
|
mono_mb_emit_icall (mb, conv_to_icall (conv, NULL));
|
mono_mb_emit_byte (mb, CEE_STELEM_REF);
|
}
|
else {
|
char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
return conv_arg;
|
}
|
|
mono_mb_emit_add_to_local (mb, index_var, 1);
|
mono_mb_emit_add_to_local (mb, src_ptr, esize);
|
|
mono_mb_emit_branch_label (mb, CEE_BR, label2);
|
|
mono_mb_patch_branch (mb, label1);
|
mono_mb_patch_branch (mb, label3);
|
|
break;
|
}
|
case MARSHAL_ACTION_MANAGED_CONV_OUT: {
|
MonoClass *eklass;
|
guint32 label1, label2, label3;
|
int index_var, dest_ptr, esize, param_num, num_elem;
|
MonoMarshalConv conv;
|
gboolean is_string = FALSE;
|
|
if (!spec)
|
/* Already handled in CONV_IN */
|
break;
|
|
/* These are already checked in CONV_IN */
|
g_assert (!t->byref);
|
g_assert (spec->native == MONO_NATIVE_LPARRAY);
|
g_assert (t->attrs & PARAM_ATTRIBUTE_OUT);
|
|
param_num = spec->data.array_data.param_num;
|
num_elem = spec->data.array_data.num_elem;
|
|
if (spec->data.array_data.elem_mult == 0)
|
/* param_num is not specified */
|
param_num = -1;
|
|
if (param_num == -1) {
|
if (num_elem <= 0) {
|
g_assert_not_reached ();
|
}
|
}
|
|
/* FIXME: Optimize blittable case */
|
|
eklass = klass->element_class;
|
if (eklass == mono_defaults.string_class) {
|
is_string = TRUE;
|
conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
|
}
|
else if (eklass == mono_defaults.stringbuilder_class) {
|
is_string = TRUE;
|
conv = mono_marshal_get_stringbuilder_to_ptr_conv (m->piinfo, spec);
|
}
|
else
|
conv = MONO_MARSHAL_CONV_INVALID;
|
|
mono_marshal_load_type_info (eklass);
|
|
if (is_string)
|
esize = sizeof (gpointer);
|
else
|
esize = mono_class_native_size (eklass, NULL);
|
|
dest_ptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
/* Check null */
|
mono_mb_emit_ldloc (mb, conv_arg);
|
label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_stloc (mb, dest_ptr);
|
|
if (eklass->blittable) {
|
/* dest */
|
mono_mb_emit_ldarg (mb, argnum);
|
/* src */
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_byte (mb, CEE_CONV_I);
|
mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
|
mono_mb_emit_byte (mb, CEE_ADD);
|
/* length */
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_byte (mb, CEE_LDLEN);
|
mono_mb_emit_icon (mb, esize);
|
mono_mb_emit_byte (mb, CEE_MUL);
|
mono_mb_emit_byte (mb, CEE_PREFIX1);
|
mono_mb_emit_byte (mb, CEE_CPBLK);
|
break;
|
}
|
|
/* Emit marshalling loop */
|
index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_0);
|
mono_mb_emit_stloc (mb, index_var);
|
label2 = mono_mb_get_label (mb);
|
mono_mb_emit_ldloc (mb, index_var);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_byte (mb, CEE_LDLEN);
|
label3 = mono_mb_emit_branch (mb, CEE_BGE);
|
|
/* Emit marshalling code */
|
if (is_string) {
|
int stind_op;
|
g_assert (conv != MONO_MARSHAL_CONV_INVALID);
|
|
/* dest */
|
mono_mb_emit_ldloc (mb, dest_ptr);
|
|
/* src */
|
mono_mb_emit_ldloc (mb, conv_arg);
|
mono_mb_emit_ldloc (mb, index_var);
|
|
mono_mb_emit_byte (mb, CEE_LDELEM_REF);
|
|
mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
|
mono_mb_emit_byte (mb, stind_op);
|
}
|
else {
|
char *msg = g_strdup ("Marshalling of non-string and non-blittable arrays to managed code is not implemented.");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
return conv_arg;
|
}
|
|
mono_mb_emit_add_to_local (mb, index_var, 1);
|
mono_mb_emit_add_to_local (mb, dest_ptr, esize);
|
|
mono_mb_emit_branch_label (mb, CEE_BR, label2);
|
|
mono_mb_patch_branch (mb, label1);
|
mono_mb_patch_branch (mb, label3);
|
|
break;
|
}
|
case MARSHAL_ACTION_MANAGED_CONV_RESULT: {
|
MonoClass *eklass;
|
guint32 label1, label2, label3;
|
int index_var, src, dest, esize;
|
MonoMarshalConv conv = MONO_MARSHAL_CONV_INVALID;
|
gboolean is_string = FALSE;
|
|
g_assert (!t->byref);
|
|
eklass = klass->element_class;
|
|
mono_marshal_load_type_info (eklass);
|
|
if (eklass == mono_defaults.string_class) {
|
is_string = TRUE;
|
conv = mono_marshal_get_string_to_ptr_conv (m->piinfo, spec);
|
}
|
else {
|
g_assert_not_reached ();
|
}
|
|
if (is_string)
|
esize = sizeof (gpointer);
|
else if (eklass == mono_defaults.char_class)
|
esize = mono_pinvoke_is_unicode (m->piinfo) ? 2 : 1;
|
else
|
esize = mono_class_native_size (eklass, NULL);
|
|
src = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
|
dest = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
mono_mb_emit_stloc (mb, src);
|
mono_mb_emit_ldloc (mb, src);
|
mono_mb_emit_stloc (mb, 3);
|
|
/* Check for null */
|
mono_mb_emit_ldloc (mb, src);
|
label1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/* Allocate native array */
|
mono_mb_emit_icon (mb, esize);
|
mono_mb_emit_ldloc (mb, src);
|
mono_mb_emit_byte (mb, CEE_LDLEN);
|
|
if (eklass == mono_defaults.string_class) {
|
/* Make the array bigger for the terminating null */
|
mono_mb_emit_byte (mb, CEE_LDC_I4_1);
|
mono_mb_emit_byte (mb, CEE_ADD);
|
}
|
mono_mb_emit_byte (mb, CEE_MUL);
|
mono_mb_emit_icall (mb, ves_icall_marshal_alloc);
|
mono_mb_emit_stloc (mb, dest);
|
mono_mb_emit_ldloc (mb, dest);
|
mono_mb_emit_stloc (mb, 3);
|
|
/* Emit marshalling loop */
|
index_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_0);
|
mono_mb_emit_stloc (mb, index_var);
|
label2 = mono_mb_get_label (mb);
|
mono_mb_emit_ldloc (mb, index_var);
|
mono_mb_emit_ldloc (mb, src);
|
mono_mb_emit_byte (mb, CEE_LDLEN);
|
label3 = mono_mb_emit_branch (mb, CEE_BGE);
|
|
/* Emit marshalling code */
|
if (is_string) {
|
int stind_op;
|
g_assert (conv != MONO_MARSHAL_CONV_INVALID);
|
|
/* dest */
|
mono_mb_emit_ldloc (mb, dest);
|
|
/* src */
|
mono_mb_emit_ldloc (mb, src);
|
mono_mb_emit_ldloc (mb, index_var);
|
|
mono_mb_emit_byte (mb, CEE_LDELEM_REF);
|
|
mono_mb_emit_icall (mb, conv_to_icall (conv, &stind_op));
|
mono_mb_emit_byte (mb, stind_op);
|
}
|
else {
|
char *msg = g_strdup ("Marshalling of non-string arrays to managed code is not implemented.");
|
mono_mb_emit_exception_marshal_directive (mb, msg);
|
return conv_arg;
|
}
|
|
mono_mb_emit_add_to_local (mb, index_var, 1);
|
mono_mb_emit_add_to_local (mb, dest, esize);
|
|
mono_mb_emit_branch_label (mb, CEE_BR, label2);
|
|
mono_mb_patch_branch (mb, label3);
|
mono_mb_patch_branch (mb, label1);
|
break;
|
}
|
default:
|
g_assert_not_reached ();
|
}
|
#endif
|
return conv_arg;
|
}
|
|
static MonoType*
|
marshal_boolean_conv_in_get_local_type (MonoMarshalSpec *spec, guint8 *ldc_op /*out*/)
|
{
|
if (spec == NULL) {
|
return &mono_defaults.int32_class->byval_arg;
|
} else {
|
switch (spec->native) {
|
case MONO_NATIVE_I1:
|
case MONO_NATIVE_U1:
|
return &mono_defaults.byte_class->byval_arg;
|
case MONO_NATIVE_VARIANTBOOL:
|
if (ldc_op) *ldc_op = CEE_LDC_I4_M1;
|
return &mono_defaults.int16_class->byval_arg;
|
case MONO_NATIVE_BOOLEAN:
|
return &mono_defaults.int32_class->byval_arg;
|
default:
|
g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
|
return &mono_defaults.int32_class->byval_arg;
|
}
|
}
|
}
|
|
static MonoClass*
|
marshal_boolean_managed_conv_in_get_conv_arg_class (MonoMarshalSpec *spec, guint8 *ldop/*out*/)
|
{
|
MonoClass* conv_arg_class = mono_defaults.int32_class;
|
if (spec) {
|
switch (spec->native) {
|
case MONO_NATIVE_I1:
|
case MONO_NATIVE_U1:
|
conv_arg_class = mono_defaults.byte_class;
|
if (ldop) *ldop = CEE_LDIND_I1;
|
break;
|
case MONO_NATIVE_VARIANTBOOL:
|
conv_arg_class = mono_defaults.int16_class;
|
if (ldop) *ldop = CEE_LDIND_I2;
|
break;
|
case MONO_NATIVE_BOOLEAN:
|
break;
|
default:
|
g_warning ("marshalling bool as native type %x is currently not supported", spec->native);
|
}
|
}
|
return conv_arg_class;
|
}
|
|
static int
|
emit_marshal_boolean (EmitMarshalContext *m, int argnum, MonoType *t,
|
MonoMarshalSpec *spec,
|
int conv_arg, MonoType **conv_arg_type,
|
MarshalAction action)
|
{
|
#ifndef ENABLE_ILGEN
|
switch (action) {
|
case MARSHAL_ACTION_CONV_IN:
|
if (t->byref)
|
*conv_arg_type = &mono_defaults.int_class->byval_arg;
|
else
|
*conv_arg_type = marshal_boolean_conv_in_get_local_type (spec, NULL);
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_IN: {
|
MonoClass* conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, NULL);
|
if (t->byref)
|
*conv_arg_type = &conv_arg_class->this_arg;
|
else
|
*conv_arg_type = &conv_arg_class->byval_arg;
|
break;
|
}
|
|
}
|
#else
|
MonoMethodBuilder *mb = m->mb;
|
|
switch (action) {
|
case MARSHAL_ACTION_CONV_IN: {
|
MonoType *local_type;
|
int label_false;
|
guint8 ldc_op = CEE_LDC_I4_1;
|
|
local_type = marshal_boolean_conv_in_get_local_type (spec, &ldc_op);
|
if (t->byref)
|
*conv_arg_type = &mono_defaults.int_class->byval_arg;
|
else
|
*conv_arg_type = local_type;
|
conv_arg = mono_mb_add_local (mb, local_type);
|
|
mono_mb_emit_ldarg (mb, argnum);
|
if (t->byref)
|
mono_mb_emit_byte (mb, CEE_LDIND_I1);
|
label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
mono_mb_emit_byte (mb, ldc_op);
|
mono_mb_emit_stloc (mb, conv_arg);
|
mono_mb_patch_branch (mb, label_false);
|
|
break;
|
}
|
|
case MARSHAL_ACTION_CONV_OUT:
|
{
|
int label_false, label_end;
|
if (!t->byref)
|
break;
|
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
|
label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_1);
|
|
label_end = mono_mb_emit_branch (mb, CEE_BR);
|
mono_mb_patch_branch (mb, label_false);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_0);
|
mono_mb_patch_branch (mb, label_end);
|
|
mono_mb_emit_byte (mb, CEE_STIND_I1);
|
break;
|
}
|
|
case MARSHAL_ACTION_PUSH:
|
if (t->byref)
|
mono_mb_emit_ldloc_addr (mb, conv_arg);
|
else if (conv_arg)
|
mono_mb_emit_ldloc (mb, conv_arg);
|
else
|
mono_mb_emit_ldarg (mb, argnum);
|
break;
|
|
case MARSHAL_ACTION_CONV_RESULT:
|
/* maybe we need to make sure that it fits within 8 bits */
|
mono_mb_emit_stloc (mb, 3);
|
break;
|
|
case MARSHAL_ACTION_MANAGED_CONV_IN: {
|
MonoClass* conv_arg_class = mono_defaults.int32_class;
|
guint8 ldop = CEE_LDIND_I4;
|
int label_null, label_false;
|
|
conv_arg_class = marshal_boolean_managed_conv_in_get_conv_arg_class (spec, &ldop);
|
conv_arg = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
|
|
if (t->byref)
|
*conv_arg_type = &conv_arg_class->this_arg;
|
else
|
*conv_arg_type = &conv_arg_class->byval_arg;
|
|
|
mono_mb_emit_ldarg (mb, argnum);
|
|
/* Check null */
|
if (t->byref) {
|
label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_byte (mb, ldop);
|
} else
|
label_null = 0;
|
|
label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_1);
|
mono_mb_emit_stloc (mb, conv_arg);
|
mono_mb_patch_branch (mb, label_false);
|
|
if (t->byref)
|
mono_mb_patch_branch (mb, label_null);
|
break;
|
}
|
|
case MARSHAL_ACTION_MANAGED_CONV_OUT: {
|
guint8 stop = CEE_STIND_I4;
|
guint8 ldc_op = CEE_LDC_I4_1;
|
int label_null,label_false, label_end;;
|
|
if (!t->byref)
|
break;
|
if (spec) {
|
switch (spec->native) {
|
case MONO_NATIVE_I1:
|
case MONO_NATIVE_U1:
|
stop = CEE_STIND_I1;
|
break;
|
case MONO_NATIVE_VARIANTBOOL:
|
stop = CEE_STIND_I2;
|
ldc_op = CEE_LDC_I4_M1;
|
break;
|
default:
|
break;
|
}
|
}
|
|
/* Check null */
|
mono_mb_emit_ldarg (mb, argnum);
|
label_null = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
mono_mb_emit_ldarg (mb, argnum);
|
mono_mb_emit_ldloc (mb, conv_arg);
|
|
label_false = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
mono_mb_emit_byte (mb, ldc_op);
|
label_end = mono_mb_emit_branch (mb, CEE_BR);
|
|
mono_mb_patch_branch (mb, label_false);
|
mono_mb_emit_byte (mb, CEE_LDC_I4_0);
|
mono_mb_patch_branch (mb, label_end);
|
|
mono_mb_emit_byte (mb, stop);
|
mono_mb_patch_branch (mb, label_null);
|
break;
|
}
|
|
default:
|
g_assert_not_reached ();
|
}
|
#endif
|
return conv_arg;
|
}
|
|
static int
|
emit_marshal_ptr (EmitMarshalContext *m, int argnum, MonoType *t,
|
MonoMarshalSpec *spec, int conv_arg,
|
MonoType **conv_arg_type, MarshalAction action)
|
{
|
#ifdef ENABLE_ILGEN
|
MonoMethodBuilder *mb = m->mb;
|
|
switch (action) {
|
case MARSHAL_ACTION_CONV_IN:
|
/* MS seems to allow this in some cases, ie. bxc #158 */
|
/*
|
if (MONO_TYPE_ISSTRUCT (t->data.type) && !mono_class_from_mono_type (t->data.type)->blittable) {
|
char *msg = g_strdup_printf ("Can not marshal 'parameter #%d': Pointers can not reference marshaled structures. Use byref instead.", argnum + 1);
|
mono_mb_emit_exception_marshal_directive (m->mb, msg);
|
}
|
*/
|
break;
|
|
case MARSHAL_ACTION_PUSH:
|
mono_mb_emit_ldarg (mb, argnum);
|
break;
|
|
case MARSHAL_ACTION_CONV_RESULT:
|
/* no conversions necessary */
|
mono_mb_emit_stloc (mb, 3);
|
break;
|
|
default:
|
break;
|
}
|
#endif
|
return conv_arg;
|
}
|
|
static int
|
emit_marshal_char (EmitMarshalContext *m, int argnum, MonoType *t,
|
MonoMarshalSpec *spec, int conv_arg,
|
MonoType **conv_arg_type, MarshalAction action)
|
{
|
#ifdef ENABLE_ILGEN
|
MonoMethodBuilder *mb = m->mb;
|
|
switch (action) {
|
case MARSHAL_ACTION_PUSH:
|
/* fixme: dont know how to marshal that. We cant simply
|
* convert it to a one byte UTF8 character, because an
|
* unicode character may need more that one byte in UTF8 */
|
mono_mb_emit_ldarg (mb, argnum);
|
break;
|
|
case MARSHAL_ACTION_CONV_RESULT:
|
/* fixme: we need conversions here */
|
mono_mb_emit_stloc (mb, 3);
|
break;
|
|
default:
|
break;
|
}
|
#endif
|
return conv_arg;
|
}
|
|
static int
|
emit_marshal_scalar (EmitMarshalContext *m, int argnum, MonoType *t,
|
MonoMarshalSpec *spec, int conv_arg,
|
MonoType **conv_arg_type, MarshalAction action)
|
{
|
#ifdef ENABLE_ILGEN
|
MonoMethodBuilder *mb = m->mb;
|
|
switch (action) {
|
case MARSHAL_ACTION_PUSH:
|
mono_mb_emit_ldarg (mb, argnum);
|
break;
|
|
case MARSHAL_ACTION_CONV_RESULT:
|
/* no conversions necessary */
|
mono_mb_emit_stloc (mb, 3);
|
break;
|
|
default:
|
break;
|
}
|
#endif
|
return conv_arg;
|
}
|
|
static int
|
emit_marshal (EmitMarshalContext *m, int argnum, MonoType *t,
|
MonoMarshalSpec *spec, int conv_arg,
|
MonoType **conv_arg_type, MarshalAction action)
|
{
|
/* Ensure that we have marshalling info for this param */
|
mono_marshal_load_type_info (mono_class_from_mono_type (t));
|
|
if (spec && spec->native == MONO_NATIVE_CUSTOM)
|
return emit_marshal_custom (m, argnum, t, spec, conv_arg, conv_arg_type, action);
|
|
if (spec && spec->native == MONO_NATIVE_ASANY)
|
return emit_marshal_asany (m, argnum, t, spec, conv_arg, conv_arg_type, action);
|
|
switch (t->type) {
|
case MONO_TYPE_VALUETYPE:
|
if (t->data.klass == mono_defaults.handleref_class)
|
return emit_marshal_handleref (m, argnum, t, spec, conv_arg, conv_arg_type, action);
|
|
return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
|
case MONO_TYPE_STRING:
|
return emit_marshal_string (m, argnum, t, spec, conv_arg, conv_arg_type, action);
|
case MONO_TYPE_CLASS:
|
case MONO_TYPE_OBJECT:
|
#if !defined(DISABLE_COM) && defined(ENABLE_ILGEN)
|
if (spec && spec->native == MONO_NATIVE_STRUCT)
|
return emit_marshal_variant (m, argnum, t, spec, conv_arg, conv_arg_type, action);
|
#endif
|
|
#if !defined(DISABLE_COM)
|
if (spec && (spec->native == MONO_NATIVE_IUNKNOWN ||
|
spec->native == MONO_NATIVE_IDISPATCH ||
|
spec->native == MONO_NATIVE_INTERFACE))
|
return mono_cominterop_emit_marshal_com_interface (m, argnum, t, spec, conv_arg, conv_arg_type, action);
|
if (spec && (spec->native == MONO_NATIVE_SAFEARRAY) &&
|
(spec->data.safearray_data.elem_type == MONO_VARIANT_VARIANT) &&
|
((action == MARSHAL_ACTION_CONV_OUT) || (action == MARSHAL_ACTION_CONV_IN) || (action == MARSHAL_ACTION_PUSH)))
|
return mono_cominterop_emit_marshal_safearray (m, argnum, t, spec, conv_arg, conv_arg_type, action);
|
#endif
|
|
if (mono_class_try_get_safehandle_class () != NULL && t->data.klass &&
|
mono_class_is_subclass_of (t->data.klass, mono_class_try_get_safehandle_class (), FALSE))
|
return emit_marshal_safehandle (m, argnum, t, spec, conv_arg, conv_arg_type, action);
|
|
return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
|
case MONO_TYPE_ARRAY:
|
case MONO_TYPE_SZARRAY:
|
return emit_marshal_array (m, argnum, t, spec, conv_arg, conv_arg_type, action);
|
case MONO_TYPE_BOOLEAN:
|
return emit_marshal_boolean (m, argnum, t, spec, conv_arg, conv_arg_type, action);
|
case MONO_TYPE_PTR:
|
return emit_marshal_ptr (m, argnum, t, spec, conv_arg, conv_arg_type, action);
|
case MONO_TYPE_CHAR:
|
return emit_marshal_char (m, argnum, t, spec, conv_arg, conv_arg_type, action);
|
case MONO_TYPE_I1:
|
case MONO_TYPE_U1:
|
case MONO_TYPE_I2:
|
case MONO_TYPE_U2:
|
case MONO_TYPE_I4:
|
case MONO_TYPE_U4:
|
case MONO_TYPE_I:
|
case MONO_TYPE_U:
|
case MONO_TYPE_R4:
|
case MONO_TYPE_R8:
|
case MONO_TYPE_I8:
|
case MONO_TYPE_U8:
|
case MONO_TYPE_FNPTR:
|
return emit_marshal_scalar (m, argnum, t, spec, conv_arg, conv_arg_type, action);
|
case MONO_TYPE_GENERICINST:
|
if (mono_type_generic_inst_is_valuetype (t))
|
return emit_marshal_vtype (m, argnum, t, spec, conv_arg, conv_arg_type, action);
|
else
|
return emit_marshal_object (m, argnum, t, spec, conv_arg, conv_arg_type, action);
|
default:
|
return conv_arg;
|
}
|
}
|
|
/* How the arguments of an icall should be wrapped */
|
typedef enum {
|
/* Don't wrap at all, pass the argument as is */
|
ICALL_HANDLES_WRAP_NONE,
|
/* Wrap the argument in an object handle, pass the handle to the icall */
|
ICALL_HANDLES_WRAP_OBJ,
|
/* Wrap the argument in an object handle, pass the handle to the icall,
|
write the value out from the handle when the icall returns */
|
ICALL_HANDLES_WRAP_OBJ_INOUT,
|
/* Initialized an object handle to null, pass to the icalls,
|
write the value out from the handle when the icall returns */
|
ICALL_HANDLES_WRAP_OBJ_OUT,
|
/* Wrap the argument (a valuetype reference) in a handle to pin its enclosing object,
|
but pass the raw reference to the icall */
|
ICALL_HANDLES_WRAP_VALUETYPE_REF,
|
} IcallHandlesWrap;
|
|
typedef struct {
|
IcallHandlesWrap wrap;
|
/* if wrap is NONE or OBJ or VALUETYPE_REF, this is not meaningful.
|
if wrap is OBJ_INOUT it's the local var that holds the MonoObjectHandle.
|
*/
|
int handle;
|
} IcallHandlesLocal;
|
|
/*
|
* Describes how to wrap the given parameter.
|
*
|
*/
|
static IcallHandlesWrap
|
signature_param_uses_handles (MonoMethodSignature *sig, int param)
|
{
|
if (MONO_TYPE_IS_REFERENCE (sig->params [param])) {
|
if (mono_signature_param_is_out (sig, param))
|
return ICALL_HANDLES_WRAP_OBJ_OUT;
|
else if (mono_type_is_byref (sig->params [param]))
|
return ICALL_HANDLES_WRAP_OBJ_INOUT;
|
else
|
return ICALL_HANDLES_WRAP_OBJ;
|
} else if (mono_type_is_byref (sig->params [param]))
|
return ICALL_HANDLES_WRAP_VALUETYPE_REF;
|
else
|
return ICALL_HANDLES_WRAP_NONE;
|
}
|
|
|
#ifdef ENABLE_ILGEN
|
/**
|
* mono_marshal_emit_native_wrapper:
|
* \param image the image to use for looking up custom marshallers
|
* \param sig The signature of the native function
|
* \param piinfo Marshalling information
|
* \param mspecs Marshalling information
|
* \param aot whenever the created method will be compiled by the AOT compiler
|
* \param method if non-NULL, the pinvoke method to call
|
* \param check_exceptions Whenever to check for pending exceptions after the native call
|
* \param func_param the function to call is passed as a boxed IntPtr as the first parameter
|
*
|
* generates IL code for the pinvoke wrapper, the generated code calls \p func .
|
*/
|
void
|
mono_marshal_emit_native_wrapper (MonoImage *image, MonoMethodBuilder *mb, MonoMethodSignature *sig, MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func, gboolean aot, gboolean check_exceptions, gboolean func_param)
|
{
|
EmitMarshalContext m;
|
MonoMethodSignature *csig;
|
MonoClass *klass;
|
int i, argnum, *tmp_locals;
|
int type, param_shift = 0;
|
int coop_gc_stack_dummy, coop_gc_var;
|
#ifndef DISABLE_COM
|
int coop_cominterop_fnptr;
|
#endif
|
|
memset (&m, 0, sizeof (m));
|
m.mb = mb;
|
m.sig = sig;
|
m.piinfo = piinfo;
|
|
/* we copy the signature, so that we can set pinvoke to 0 */
|
if (func_param) {
|
/* The function address is passed as the first argument */
|
g_assert (!sig->hasthis);
|
param_shift += 1;
|
}
|
csig = mono_metadata_signature_dup_full (mb->method->klass->image, sig);
|
csig->pinvoke = 1;
|
m.csig = csig;
|
m.image = image;
|
|
if (sig->hasthis)
|
param_shift += 1;
|
|
/* we allocate local for use with emit_struct_conv() */
|
/* allocate local 0 (pointer) src_ptr */
|
mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
/* allocate local 1 (pointer) dst_ptr */
|
mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
/* allocate local 2 (boolean) delete_old */
|
mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
|
|
/* delete_old = FALSE */
|
mono_mb_emit_icon (mb, 0);
|
mono_mb_emit_stloc (mb, 2);
|
|
if (!MONO_TYPE_IS_VOID (sig->ret)) {
|
/* allocate local 3 to store the return value */
|
mono_mb_add_local (mb, sig->ret);
|
}
|
|
if (mono_threads_is_blocking_transition_enabled ()) {
|
/* local 4, dummy local used to get a stack address for suspend funcs */
|
coop_gc_stack_dummy = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
/* local 5, the local to be used when calling the suspend funcs */
|
coop_gc_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
#ifndef DISABLE_COM
|
if (!func_param && MONO_CLASS_IS_IMPORT (mb->method->klass)) {
|
coop_cominterop_fnptr = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
}
|
#endif
|
}
|
|
/*
|
* cookie = mono_threads_enter_gc_safe_region_unbalanced (ref dummy);
|
*
|
* ret = method (...);
|
*
|
* mono_threads_exit_gc_safe_region_unbalanced (cookie, ref dummy);
|
*
|
* <interrupt check>
|
*
|
* return ret;
|
*/
|
|
if (MONO_TYPE_ISSTRUCT (sig->ret))
|
m.vtaddr_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
|
/* Return type custom marshaling */
|
/*
|
* Since we can't determine the return type of the unmanaged function,
|
* we assume it returns a pointer, and pass that pointer to
|
* MarshalNativeToManaged.
|
*/
|
csig->ret = &mono_defaults.int_class->byval_arg;
|
}
|
|
/* we first do all conversions */
|
tmp_locals = (int *)alloca (sizeof (int) * sig->param_count);
|
m.orig_conv_args = (int *)alloca (sizeof (int) * (sig->param_count + 1));
|
|
for (i = 0; i < sig->param_count; i ++) {
|
tmp_locals [i] = emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_CONV_IN);
|
}
|
|
// In coop mode need to register blocking state during native call
|
if (mono_threads_is_blocking_transition_enabled ()) {
|
// Perform an extra, early lookup of the function address, so any exceptions
|
// potentially resulting from the lookup occur before entering blocking mode.
|
if (!func_param && !MONO_CLASS_IS_IMPORT (mb->method->klass) && aot) {
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
|
mono_mb_emit_byte (mb, CEE_POP); // Result not needed yet
|
}
|
|
#ifndef DISABLE_COM
|
if (!func_param && MONO_CLASS_IS_IMPORT (mb->method->klass)) {
|
mono_mb_emit_cominterop_get_function_pointer (mb, &piinfo->method);
|
mono_mb_emit_stloc (mb, coop_cominterop_fnptr);
|
}
|
#endif
|
|
mono_mb_emit_ldloc_addr (mb, coop_gc_stack_dummy);
|
mono_mb_emit_icall (mb, mono_threads_enter_gc_safe_region_unbalanced);
|
mono_mb_emit_stloc (mb, coop_gc_var);
|
}
|
|
/* push all arguments */
|
|
if (sig->hasthis)
|
mono_mb_emit_byte (mb, CEE_LDARG_0);
|
|
for (i = 0; i < sig->param_count; i++) {
|
emit_marshal (&m, i + param_shift, sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_PUSH);
|
}
|
|
/* call the native method */
|
if (func_param) {
|
mono_mb_emit_byte (mb, CEE_LDARG_0);
|
mono_mb_emit_op (mb, CEE_UNBOX, mono_defaults.int_class);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_calli (mb, csig);
|
} else if (MONO_CLASS_IS_IMPORT (mb->method->klass)) {
|
#ifndef DISABLE_COM
|
if (!mono_threads_is_blocking_transition_enabled ()) {
|
mono_mb_emit_cominterop_call (mb, csig, &piinfo->method);
|
} else {
|
mono_mb_emit_ldloc (mb, coop_cominterop_fnptr);
|
mono_mb_emit_cominterop_call_function_pointer (mb, csig);
|
}
|
#else
|
g_assert_not_reached ();
|
#endif
|
} else {
|
if (aot) {
|
/* Reuse the ICALL_ADDR opcode for pinvokes too */
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
|
mono_mb_emit_calli (mb, csig);
|
} else {
|
mono_mb_emit_native_call (mb, csig, func);
|
}
|
}
|
|
/* Set LastError if needed */
|
if (piinfo->piflags & PINVOKE_ATTRIBUTE_SUPPORTS_LAST_ERROR) {
|
#ifdef TARGET_WIN32
|
if (!aot) {
|
static MonoMethodSignature *get_last_error_sig = NULL;
|
if (!get_last_error_sig) {
|
get_last_error_sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
|
get_last_error_sig->ret = &mono_defaults.int_class->byval_arg;
|
get_last_error_sig->pinvoke = 1;
|
}
|
|
/*
|
* Have to call GetLastError () early and without a wrapper, since various runtime components could
|
* clobber its value.
|
*/
|
mono_mb_emit_native_call (mb, get_last_error_sig, GetLastError);
|
mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
|
} else {
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_byte (mb, CEE_MONO_GET_LAST_ERROR);
|
mono_mb_emit_icall (mb, mono_marshal_set_last_error_windows);
|
}
|
#else
|
mono_mb_emit_icall (mb, mono_marshal_set_last_error);
|
#endif
|
}
|
|
if (MONO_TYPE_ISSTRUCT (sig->ret)) {
|
MonoClass *klass = mono_class_from_mono_type (sig->ret);
|
mono_class_init (klass);
|
if (!(mono_class_is_explicit_layout (klass) || klass->blittable)) {
|
/* This is used by emit_marshal_vtype (), but it needs to go right before the call */
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
|
mono_mb_emit_stloc (mb, m.vtaddr_var);
|
}
|
}
|
|
/* Unblock before converting the result, since that can involve calls into the runtime */
|
if (mono_threads_is_blocking_transition_enabled ()) {
|
mono_mb_emit_ldloc (mb, coop_gc_var);
|
mono_mb_emit_ldloc_addr (mb, coop_gc_stack_dummy);
|
mono_mb_emit_icall (mb, mono_threads_exit_gc_safe_region_unbalanced);
|
}
|
|
/* convert the result */
|
if (!sig->ret->byref) {
|
MonoMarshalSpec *spec = mspecs [0];
|
type = sig->ret->type;
|
|
if (spec && spec->native == MONO_NATIVE_CUSTOM) {
|
emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
|
} else {
|
handle_enum:
|
switch (type) {
|
case MONO_TYPE_VOID:
|
break;
|
case MONO_TYPE_VALUETYPE:
|
klass = sig->ret->data.klass;
|
if (klass->enumtype) {
|
type = mono_class_enum_basetype (sig->ret->data.klass)->type;
|
goto handle_enum;
|
}
|
emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
|
break;
|
case MONO_TYPE_I1:
|
case MONO_TYPE_U1:
|
case MONO_TYPE_I2:
|
case MONO_TYPE_U2:
|
case MONO_TYPE_I4:
|
case MONO_TYPE_U4:
|
case MONO_TYPE_I:
|
case MONO_TYPE_U:
|
case MONO_TYPE_R4:
|
case MONO_TYPE_R8:
|
case MONO_TYPE_I8:
|
case MONO_TYPE_U8:
|
case MONO_TYPE_FNPTR:
|
case MONO_TYPE_STRING:
|
case MONO_TYPE_CLASS:
|
case MONO_TYPE_OBJECT:
|
case MONO_TYPE_BOOLEAN:
|
case MONO_TYPE_ARRAY:
|
case MONO_TYPE_SZARRAY:
|
case MONO_TYPE_CHAR:
|
case MONO_TYPE_PTR:
|
case MONO_TYPE_GENERICINST:
|
emit_marshal (&m, 0, sig->ret, spec, 0, NULL, MARSHAL_ACTION_CONV_RESULT);
|
break;
|
case MONO_TYPE_TYPEDBYREF:
|
default:
|
g_warning ("return type 0x%02x unknown", sig->ret->type);
|
g_assert_not_reached ();
|
}
|
}
|
} else {
|
mono_mb_emit_stloc (mb, 3);
|
}
|
|
/*
|
* Need to call this after converting the result since MONO_VTADDR needs
|
* to be adjacent to the call instruction.
|
*/
|
if (check_exceptions)
|
emit_thread_interrupt_checkpoint (mb);
|
|
/* we need to convert byref arguments back and free string arrays */
|
for (i = 0; i < sig->param_count; i++) {
|
MonoType *t = sig->params [i];
|
MonoMarshalSpec *spec = mspecs [i + 1];
|
|
argnum = i + param_shift;
|
|
if (spec && ((spec->native == MONO_NATIVE_CUSTOM) || (spec->native == MONO_NATIVE_ASANY))) {
|
emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
|
continue;
|
}
|
|
switch (t->type) {
|
case MONO_TYPE_STRING:
|
case MONO_TYPE_VALUETYPE:
|
case MONO_TYPE_CLASS:
|
case MONO_TYPE_OBJECT:
|
case MONO_TYPE_SZARRAY:
|
case MONO_TYPE_BOOLEAN:
|
emit_marshal (&m, argnum, t, spec, tmp_locals [i], NULL, MARSHAL_ACTION_CONV_OUT);
|
break;
|
default:
|
break;
|
}
|
}
|
|
if (!MONO_TYPE_IS_VOID(sig->ret))
|
mono_mb_emit_ldloc (mb, 3);
|
|
mono_mb_emit_byte (mb, CEE_RET);
|
}
|
#endif /* ENABLE_ILGEN */
|
|
/**
|
* mono_marshal_get_native_wrapper:
|
* \param method The \c MonoMethod to wrap.
|
* \param check_exceptions Whenever to check for pending exceptions
|
*
|
* Generates IL code for the pinvoke wrapper. The generated method
|
* calls the unmanaged code in \c piinfo->addr.
|
*/
|
MonoMethod *
|
mono_marshal_get_native_wrapper (MonoMethod *method, gboolean check_exceptions, gboolean aot)
|
{
|
MonoMethodSignature *sig, *csig;
|
MonoMethodPInvoke *piinfo = (MonoMethodPInvoke *) method;
|
MonoMethodBuilder *mb;
|
MonoMarshalSpec **mspecs;
|
MonoMethod *res;
|
GHashTable *cache;
|
gboolean pinvoke = FALSE;
|
gpointer iter;
|
int i;
|
const char *exc_class = "MissingMethodException";
|
const char *exc_arg = NULL;
|
WrapperInfo *info;
|
|
g_assert (method != NULL);
|
g_assert (mono_method_signature (method)->pinvoke);
|
|
GHashTable **cache_ptr;
|
|
if (aot) {
|
if (check_exceptions)
|
cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_aot_check_cache;
|
else
|
cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_aot_cache;
|
} else {
|
if (check_exceptions)
|
cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_check_cache;
|
else
|
cache_ptr = &mono_method_get_wrapper_cache (method)->native_wrapper_cache;
|
}
|
|
cache = get_cache (cache_ptr, mono_aligned_addr_hash, NULL);
|
|
if ((res = mono_marshal_find_in_cache (cache, method)))
|
return res;
|
|
if (MONO_CLASS_IS_IMPORT (method->klass)) {
|
/* The COM code is not AOT compatible, it calls mono_custom_attrs_get_attr_checked () */
|
if (aot)
|
return method;
|
#ifndef DISABLE_COM
|
return mono_cominterop_get_native_wrapper (method);
|
#else
|
g_assert_not_reached ();
|
#endif
|
}
|
|
sig = mono_method_signature (method);
|
|
if (!(method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) &&
|
(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL))
|
pinvoke = TRUE;
|
|
if (!piinfo->addr) {
|
if (pinvoke) {
|
if (method->iflags & METHOD_IMPL_ATTRIBUTE_NATIVE)
|
exc_arg = "Method contains unsupported native code";
|
else if (!aot)
|
mono_lookup_pinvoke_call (method, &exc_class, &exc_arg);
|
} else {
|
piinfo->addr = mono_lookup_internal_call (method);
|
}
|
}
|
|
/* hack - redirect certain string constructors to CreateString */
|
if (piinfo->addr == ves_icall_System_String_ctor_RedirectToCreateString) {
|
g_assert (!pinvoke);
|
g_assert (method->string_ctor);
|
g_assert (sig->hasthis);
|
|
/* CreateString returns a value */
|
csig = mono_metadata_signature_dup_full (method->klass->image, sig);
|
csig->ret = &mono_defaults.string_class->byval_arg;
|
csig->pinvoke = 0;
|
|
iter = NULL;
|
while ((res = mono_class_get_methods (mono_defaults.string_class, &iter))) {
|
if (!strcmp ("CreateString", res->name) &&
|
mono_metadata_signature_equal (csig, mono_method_signature (res))) {
|
WrapperInfo *info;
|
|
g_assert (!(res->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL));
|
g_assert (!(res->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL));
|
|
/* create a wrapper to preserve .ctor in stack trace */
|
mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
|
|
#ifdef ENABLE_ILGEN
|
mono_mb_emit_byte (mb, CEE_LDARG_0);
|
for (i = 1; i <= csig->param_count; i++)
|
mono_mb_emit_ldarg (mb, i);
|
mono_mb_emit_managed_call (mb, res, NULL);
|
mono_mb_emit_byte (mb, CEE_RET);
|
#endif
|
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_STRING_CTOR);
|
info->d.string_ctor.method = method;
|
|
/* use native_wrapper_cache because internal calls are looked up there */
|
res = mono_mb_create_and_cache_full (cache, method, mb, csig,
|
csig->param_count + 1, info, NULL);
|
mono_mb_free (mb);
|
|
return res;
|
}
|
}
|
|
/* exception will be thrown */
|
piinfo->addr = NULL;
|
g_warning ("cannot find CreateString for .ctor");
|
}
|
|
mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_NATIVE);
|
|
mb->method->save_lmf = 1;
|
|
/*
|
* In AOT mode and embedding scenarios, it is possible that the icall is not
|
* registered in the runtime doing the AOT compilation.
|
*/
|
if (!piinfo->addr && !aot) {
|
#ifdef ENABLE_ILGEN
|
mono_mb_emit_exception (mb, exc_class, exc_arg);
|
#endif
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
|
info->d.managed_to_native.method = method;
|
|
csig = mono_metadata_signature_dup_full (method->klass->image, sig);
|
csig->pinvoke = 0;
|
res = mono_mb_create_and_cache_full (cache, method, mb, csig,
|
csig->param_count + 16, info, NULL);
|
mono_mb_free (mb);
|
|
return res;
|
}
|
|
/* internal calls: we simply push all arguments and call the method (no conversions) */
|
if (method->iflags & (METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL | METHOD_IMPL_ATTRIBUTE_RUNTIME)) {
|
if (sig->hasthis)
|
csig = mono_metadata_signature_dup_add_this (method->klass->image, sig, method->klass);
|
else
|
csig = mono_metadata_signature_dup_full (method->klass->image, sig);
|
|
//printf ("%s\n", mono_method_full_name (method, 1));
|
|
/* hack - string constructors returns a value */
|
if (method->string_ctor)
|
csig->ret = &mono_defaults.string_class->byval_arg;
|
|
#ifdef ENABLE_ILGEN
|
// FIXME:
|
MonoClass *handle_stack_mark_class;
|
MonoClass *error_class;
|
int thread_info_var = -1, stack_mark_var = -1, error_var = -1;
|
MonoMethodSignature *call_sig = csig;
|
gboolean uses_handles = FALSE;
|
gboolean save_handles_to_locals = FALSE;
|
IcallHandlesLocal *handles_locals = NULL;
|
|
(void) mono_lookup_internal_call_full (method, &uses_handles);
|
|
/* If it uses handles and MonoError, it had better check exceptions */
|
g_assert (!uses_handles || check_exceptions);
|
|
if (uses_handles) {
|
MonoMethodSignature *ret;
|
|
/* Add a MonoError argument and figure out which args need to be wrapped in handles */
|
// FIXME: The stuff from mono_metadata_signature_dup_internal_with_padding ()
|
ret = mono_metadata_signature_alloc (method->klass->image, csig->param_count + 1);
|
|
ret->param_count = csig->param_count + 1;
|
ret->ret = csig->ret;
|
|
handles_locals = g_new0 (IcallHandlesLocal, csig->param_count);
|
for (int i = 0; i < csig->param_count; ++i) {
|
IcallHandlesWrap w = signature_param_uses_handles (csig, i);
|
handles_locals [i].wrap = w;
|
switch (w) {
|
case ICALL_HANDLES_WRAP_OBJ:
|
case ICALL_HANDLES_WRAP_OBJ_INOUT:
|
case ICALL_HANDLES_WRAP_OBJ_OUT:
|
ret->params [i] = mono_class_get_byref_type (mono_class_from_mono_type(csig->params[i]));
|
if (w == ICALL_HANDLES_WRAP_OBJ_OUT || w == ICALL_HANDLES_WRAP_OBJ_INOUT)
|
save_handles_to_locals = TRUE;
|
break;
|
case ICALL_HANDLES_WRAP_NONE:
|
case ICALL_HANDLES_WRAP_VALUETYPE_REF:
|
ret->params [i] = csig->params [i];
|
break;
|
default:
|
g_assert_not_reached ();
|
}
|
}
|
/* Add MonoError* param */
|
ret->params [csig->param_count] = &mono_get_intptr_class ()->byval_arg;
|
ret->pinvoke = csig->pinvoke;
|
|
call_sig = ret;
|
}
|
|
if (uses_handles) {
|
handle_stack_mark_class = mono_class_load_from_name (mono_get_corlib (), "Mono", "RuntimeStructs/HandleStackMark");
|
error_class = mono_class_load_from_name (mono_get_corlib (), "Mono", "RuntimeStructs/MonoError");
|
|
thread_info_var = mono_mb_add_local (mb, &mono_get_intptr_class ()->byval_arg);
|
stack_mark_var = mono_mb_add_local (mb, &handle_stack_mark_class->byval_arg);
|
error_var = mono_mb_add_local (mb, &error_class->byval_arg);
|
|
if (save_handles_to_locals) {
|
/* add a local var to hold the handles for each out arg */
|
for (int i = 0; i < sig->param_count; ++i) {
|
int j = i + sig->hasthis;
|
switch (handles_locals[j].wrap) {
|
case ICALL_HANDLES_WRAP_NONE:
|
case ICALL_HANDLES_WRAP_OBJ:
|
case ICALL_HANDLES_WRAP_VALUETYPE_REF:
|
handles_locals [j].handle = -1;
|
break;
|
case ICALL_HANDLES_WRAP_OBJ_INOUT:
|
case ICALL_HANDLES_WRAP_OBJ_OUT:
|
handles_locals [j].handle = mono_mb_add_local (mb, sig->params [i]);
|
break;
|
default:
|
g_assert_not_reached ();
|
}
|
}
|
}
|
}
|
|
if (sig->hasthis) {
|
int pos;
|
|
/*
|
* Add a null check since public icalls can be called with 'call' which
|
* does no such check.
|
*/
|
mono_mb_emit_byte (mb, CEE_LDARG_0);
|
pos = mono_mb_emit_branch (mb, CEE_BRTRUE);
|
mono_mb_emit_exception (mb, "NullReferenceException", NULL);
|
mono_mb_patch_branch (mb, pos);
|
}
|
|
if (uses_handles) {
|
mono_mb_emit_ldloc_addr (mb, stack_mark_var);
|
mono_mb_emit_ldloc_addr (mb, error_var);
|
mono_mb_emit_icall (mb, mono_icall_start);
|
mono_mb_emit_stloc (mb, thread_info_var);
|
|
if (sig->hasthis) {
|
mono_mb_emit_byte (mb, CEE_LDARG_0);
|
/* TODO support adding wrappers to non-static struct methods */
|
g_assert (!mono_class_is_valuetype(mono_method_get_class (method)));
|
mono_mb_emit_icall (mb, mono_icall_handle_new);
|
}
|
for (i = 0; i < sig->param_count; i++) {
|
/* load each argument. references into the managed heap get wrapped in handles */
|
int j = i + sig->hasthis;
|
switch (handles_locals[j].wrap) {
|
case ICALL_HANDLES_WRAP_NONE:
|
mono_mb_emit_ldarg (mb, j);
|
break;
|
case ICALL_HANDLES_WRAP_OBJ:
|
/* argI = mono_handle_new (argI_raw) */
|
mono_mb_emit_ldarg (mb, j);
|
mono_mb_emit_icall (mb, mono_icall_handle_new);
|
break;
|
case ICALL_HANDLES_WRAP_OBJ_INOUT:
|
case ICALL_HANDLES_WRAP_OBJ_OUT:
|
/* if inout:
|
* handleI = argI = mono_handle_new (*argI_raw)
|
* otherwise:
|
* handleI = argI = mono_handle_new (NULL)
|
*/
|
if (handles_locals[j].wrap == ICALL_HANDLES_WRAP_OBJ_INOUT) {
|
mono_mb_emit_ldarg (mb, j);
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
} else
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
mono_mb_emit_icall (mb, mono_icall_handle_new);
|
/* tmp = argI */
|
mono_mb_emit_byte (mb, CEE_DUP);
|
/* handleI = tmp */
|
mono_mb_emit_stloc (mb, handles_locals[j].handle);
|
break;
|
case ICALL_HANDLES_WRAP_VALUETYPE_REF:
|
/* (void) mono_handle_new (argI); argI */
|
mono_mb_emit_ldarg (mb, j);
|
mono_mb_emit_byte (mb, CEE_DUP);
|
mono_mb_emit_icall (mb, mono_icall_handle_new_interior);
|
mono_mb_emit_byte (mb, CEE_POP);
|
#if 0
|
fprintf (stderr, " Method %s.%s.%s has byref valuetype argument %d\n", method->klass->name_space, method->klass->name, method->name, i);
|
#endif
|
break;
|
default:
|
g_assert_not_reached ();
|
}
|
}
|
mono_mb_emit_ldloc_addr (mb, error_var);
|
} else {
|
if (sig->hasthis)
|
mono_mb_emit_byte (mb, CEE_LDARG_0);
|
for (i = 0; i < sig->param_count; i++)
|
mono_mb_emit_ldarg (mb, i + sig->hasthis);
|
}
|
|
if (aot) {
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_op (mb, CEE_MONO_ICALL_ADDR, &piinfo->method);
|
mono_mb_emit_calli (mb, call_sig);
|
} else {
|
g_assert (piinfo->addr);
|
mono_mb_emit_native_call (mb, call_sig, piinfo->addr);
|
}
|
|
if (uses_handles) {
|
if (MONO_TYPE_IS_REFERENCE (sig->ret)) {
|
// if (ret != NULL_HANDLE) {
|
// ret = MONO_HANDLE_RAW(ret)
|
// }
|
mono_mb_emit_byte (mb, CEE_DUP);
|
int pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
mono_mb_emit_ldflda (mb, MONO_HANDLE_PAYLOAD_OFFSET (MonoObject));
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
mono_mb_patch_branch (mb, pos);
|
}
|
if (save_handles_to_locals) {
|
for (i = 0; i < sig->param_count; i++) {
|
int j = i + sig->hasthis;
|
switch (handles_locals [j].wrap) {
|
case ICALL_HANDLES_WRAP_NONE:
|
case ICALL_HANDLES_WRAP_OBJ:
|
case ICALL_HANDLES_WRAP_VALUETYPE_REF:
|
break;
|
case ICALL_HANDLES_WRAP_OBJ_INOUT:
|
case ICALL_HANDLES_WRAP_OBJ_OUT:
|
/* *argI_raw = MONO_HANDLE_RAW (handleI) */
|
|
/* argI_raw */
|
mono_mb_emit_ldarg (mb, j);
|
/* handleI */
|
mono_mb_emit_ldloc (mb, handles_locals [j].handle);
|
/* MONO_HANDLE_RAW(handleI) */
|
mono_mb_emit_ldflda (mb, MONO_HANDLE_PAYLOAD_OFFSET (MonoObject));
|
mono_mb_emit_byte (mb, CEE_LDIND_REF);
|
/* *argI_raw = MONO_HANDLE_RAW(handleI) */
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
break;
|
default:
|
g_assert_not_reached ();
|
}
|
}
|
}
|
g_free (handles_locals);
|
|
mono_mb_emit_ldloc (mb, thread_info_var);
|
mono_mb_emit_ldloc_addr (mb, stack_mark_var);
|
mono_mb_emit_ldloc_addr (mb, error_var);
|
mono_mb_emit_icall (mb, mono_icall_end);
|
}
|
|
if (check_exceptions)
|
emit_thread_interrupt_checkpoint (mb);
|
mono_mb_emit_byte (mb, CEE_RET);
|
#endif
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
|
info->d.managed_to_native.method = method;
|
|
csig = mono_metadata_signature_dup_full (method->klass->image, csig);
|
csig->pinvoke = 0;
|
res = mono_mb_create_and_cache_full (cache, method, mb, csig, csig->param_count + 16,
|
info, NULL);
|
|
mono_mb_free (mb);
|
return res;
|
}
|
|
g_assert (pinvoke);
|
if (!aot)
|
g_assert (piinfo->addr);
|
|
#ifdef ENABLE_ILGEN
|
mspecs = g_new (MonoMarshalSpec*, sig->param_count + 1);
|
mono_method_get_marshal_info (method, mspecs);
|
|
mono_marshal_emit_native_wrapper (mb->method->klass->image, mb, sig, piinfo, mspecs, piinfo->addr, aot, check_exceptions, FALSE);
|
#endif
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_PINVOKE);
|
info->d.managed_to_native.method = method;
|
|
csig = mono_metadata_signature_dup_full (method->klass->image, sig);
|
csig->pinvoke = 0;
|
res = mono_mb_create_and_cache_full (cache, method, mb, csig, csig->param_count + 16,
|
info, NULL);
|
mono_mb_free (mb);
|
|
#ifdef ENABLE_ILGEN
|
for (i = sig->param_count; i >= 0; i--)
|
if (mspecs [i])
|
mono_metadata_free_marshal_spec (mspecs [i]);
|
g_free (mspecs);
|
#endif
|
|
/* mono_method_print_code (res); */
|
|
return res;
|
}
|
|
/**
|
* mono_marshal_get_native_func_wrapper:
|
* \param image The image to use for memory allocation and for looking up custom marshallers.
|
* \param sig The signature of the function
|
* \param func The native function to wrap
|
*
|
* \returns a wrapper method around native functions, similar to the pinvoke
|
* wrapper.
|
*/
|
MonoMethod *
|
mono_marshal_get_native_func_wrapper (MonoImage *image, MonoMethodSignature *sig,
|
MonoMethodPInvoke *piinfo, MonoMarshalSpec **mspecs, gpointer func)
|
{
|
MonoMethodSignature *csig;
|
|
SignaturePointerPair key, *new_key;
|
MonoMethodBuilder *mb;
|
MonoMethod *res;
|
GHashTable *cache;
|
gboolean found;
|
char *name;
|
|
key.sig = sig;
|
key.pointer = func;
|
|
// Generic types are not safe to place in MonoImage caches.
|
g_assert (!sig->is_inflated);
|
|
cache = get_cache (&image->native_func_wrapper_cache, signature_pointer_pair_hash, signature_pointer_pair_equal);
|
if ((res = mono_marshal_find_in_cache (cache, &key)))
|
return res;
|
|
name = g_strdup_printf ("wrapper_native_%p", func);
|
mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
|
mb->method->save_lmf = 1;
|
|
#ifdef ENABLE_ILGEN
|
mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, func, FALSE, TRUE, FALSE);
|
#endif
|
|
csig = mono_metadata_signature_dup_full (image, sig);
|
csig->pinvoke = 0;
|
|
new_key = g_new (SignaturePointerPair,1);
|
new_key->sig = csig;
|
new_key->pointer = func;
|
|
res = mono_mb_create_and_cache_full (cache, new_key, mb, csig, csig->param_count + 16, NULL, &found);
|
if (found)
|
g_free (new_key);
|
|
mono_mb_free (mb);
|
|
mono_marshal_set_wrapper_info (res, NULL);
|
|
return res;
|
}
|
|
/*
|
* The wrapper receives the native function as a boxed IntPtr as its 'this' argument. This is easier to support in
|
* AOT.
|
*/
|
MonoMethod*
|
mono_marshal_get_native_func_wrapper_aot (MonoClass *klass)
|
{
|
MonoMethodSignature *sig, *csig;
|
MonoMethodBuilder *mb;
|
MonoMethod *res;
|
GHashTable *cache;
|
char *name;
|
WrapperInfo *info;
|
MonoMethodPInvoke mpiinfo;
|
MonoMethodPInvoke *piinfo = &mpiinfo;
|
MonoMarshalSpec **mspecs;
|
MonoMethod *invoke = mono_get_delegate_invoke (klass);
|
MonoImage *image = invoke->klass->image;
|
int i;
|
|
// FIXME: include UnmanagedFunctionPointerAttribute info
|
|
/*
|
* The wrapper is associated with the delegate type, to pick up the marshalling info etc.
|
*/
|
cache = get_cache (&mono_method_get_wrapper_cache (invoke)->native_func_wrapper_aot_cache, mono_aligned_addr_hash, NULL);
|
|
if ((res = mono_marshal_find_in_cache (cache, invoke)))
|
return res;
|
|
memset (&mpiinfo, 0, sizeof (mpiinfo));
|
parse_unmanaged_function_pointer_attr (klass, &mpiinfo);
|
|
mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
|
mono_method_get_marshal_info (invoke, mspecs);
|
/* Freed below so don't alloc from mempool */
|
sig = mono_metadata_signature_dup (mono_method_signature (invoke));
|
sig->hasthis = 0;
|
|
name = g_strdup_printf ("wrapper_aot_native");
|
mb = mono_mb_new (invoke->klass, name, MONO_WRAPPER_MANAGED_TO_NATIVE);
|
mb->method->save_lmf = 1;
|
|
#ifdef ENABLE_ILGEN
|
mono_marshal_emit_native_wrapper (image, mb, sig, piinfo, mspecs, NULL, FALSE, TRUE, TRUE);
|
#endif
|
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NATIVE_FUNC_AOT);
|
info->d.managed_to_native.method = invoke;
|
|
g_assert (!sig->hasthis);
|
csig = mono_metadata_signature_dup_add_this (image, sig, mono_defaults.object_class);
|
csig->pinvoke = 0;
|
res = mono_mb_create_and_cache_full (cache, invoke,
|
mb, csig, csig->param_count + 16,
|
info, NULL);
|
mono_mb_free (mb);
|
|
for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
|
if (mspecs [i])
|
mono_metadata_free_marshal_spec (mspecs [i]);
|
g_free (mspecs);
|
g_free (sig);
|
|
return res;
|
}
|
|
/*
|
* mono_marshal_emit_managed_wrapper:
|
*
|
* Emit the body of a native-to-managed wrapper. INVOKE_SIG is the signature of
|
* the delegate which wraps the managed method to be called. For closed delegates,
|
* it could have fewer parameters than the method it wraps.
|
* THIS_LOC is the memory location where the target of the delegate is stored.
|
*/
|
void
|
mono_marshal_emit_managed_wrapper (MonoMethodBuilder *mb, MonoMethodSignature *invoke_sig, MonoMarshalSpec **mspecs, EmitMarshalContext* m, MonoMethod *method, uint32_t target_handle)
|
{
|
#ifndef ENABLE_ILGEN
|
MonoMethodSignature *sig, *csig;
|
int i;
|
|
sig = m->sig;
|
csig = m->csig;
|
|
/* we first do all conversions */
|
for (i = 0; i < sig->param_count; i ++) {
|
MonoType *t = sig->params [i];
|
|
switch (t->type) {
|
case MONO_TYPE_OBJECT:
|
case MONO_TYPE_CLASS:
|
case MONO_TYPE_VALUETYPE:
|
case MONO_TYPE_ARRAY:
|
case MONO_TYPE_SZARRAY:
|
case MONO_TYPE_STRING:
|
case MONO_TYPE_BOOLEAN:
|
emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
|
}
|
}
|
|
if (!sig->ret->byref) {
|
switch (sig->ret->type) {
|
case MONO_TYPE_STRING:
|
csig->ret = &mono_defaults.int_class->byval_arg;
|
break;
|
default:
|
break;
|
}
|
}
|
#else
|
MonoMethodSignature *sig, *csig;
|
MonoExceptionClause *clauses, *clause_finally, *clause_catch;
|
int i, *tmp_locals, ex_local, e_local, attach_cookie_local, attach_dummy_local;
|
int leave_try_pos, leave_catch_pos, ex_m1_pos;
|
gboolean closed = FALSE;
|
|
sig = m->sig;
|
csig = m->csig;
|
|
/* allocate local 0 (pointer) src_ptr */
|
mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
/* allocate local 1 (pointer) dst_ptr */
|
mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
/* allocate local 2 (boolean) delete_old */
|
mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
|
|
if (!sig->hasthis && sig->param_count != invoke_sig->param_count) {
|
/* Closed delegate */
|
g_assert (sig->param_count == invoke_sig->param_count + 1);
|
closed = TRUE;
|
/* Use a new signature without the first argument */
|
sig = mono_metadata_signature_dup (sig);
|
memmove (&sig->params [0], &sig->params [1], (sig->param_count - 1) * sizeof (MonoType*));
|
sig->param_count --;
|
}
|
|
if (!MONO_TYPE_IS_VOID(sig->ret)) {
|
/* allocate local 3 to store the return value */
|
mono_mb_add_local (mb, sig->ret);
|
}
|
|
if (MONO_TYPE_ISSTRUCT (sig->ret))
|
m->vtaddr_var = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
ex_local = mono_mb_add_local (mb, &mono_defaults.uint32_class->byval_arg);
|
e_local = mono_mb_add_local (mb, &mono_defaults.exception_class->byval_arg);
|
|
attach_cookie_local = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
attach_dummy_local = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
/*
|
* guint32 ex = -1;
|
* try {
|
* // does (STARTING|RUNNING|BLOCKING) -> RUNNING + set/switch domain
|
* mono_threads_attach_coop ();
|
*
|
* <interrupt check>
|
*
|
* ret = method (...);
|
* } catch (Exception e) {
|
* ex = mono_gchandle_new (e, false);
|
* } finally {
|
* // does RUNNING -> (RUNNING|BLOCKING) + unset/switch domain
|
* mono_threads_detach_coop ();
|
*
|
* if (ex != -1)
|
* mono_marshal_ftnptr_eh_callback (ex);
|
* }
|
*
|
* return ret;
|
*/
|
|
clauses = g_new0 (MonoExceptionClause, 2);
|
|
clause_catch = &clauses [0];
|
clause_catch->flags = MONO_EXCEPTION_CLAUSE_NONE;
|
clause_catch->data.catch_class = mono_defaults.exception_class;
|
|
clause_finally = &clauses [1];
|
clause_finally->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
|
|
mono_mb_emit_icon (mb, 0);
|
mono_mb_emit_stloc (mb, 2);
|
|
mono_mb_emit_icon (mb, -1);
|
mono_mb_emit_byte (mb, CEE_CONV_U4);
|
mono_mb_emit_stloc (mb, ex_local);
|
|
/* try { */
|
clause_catch->try_offset = clause_finally->try_offset = mono_mb_get_label (mb);
|
|
if (!mono_threads_is_blocking_transition_enabled ()) {
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_byte (mb, CEE_MONO_JIT_ATTACH);
|
} else {
|
/* mono_threads_attach_coop (); */
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_byte (mb, CEE_MONO_LDDOMAIN);
|
mono_mb_emit_ldloc_addr (mb, attach_dummy_local);
|
/*
|
* This icall is special cased in the JIT so it works in native-to-managed wrappers in unattached threads.
|
* Keep this in sync with the CEE_JIT_ICALL code in the JIT.
|
*/
|
mono_mb_emit_icall (mb, mono_threads_attach_coop);
|
mono_mb_emit_stloc (mb, attach_cookie_local);
|
}
|
|
/* <interrupt check> */
|
emit_thread_interrupt_checkpoint (mb);
|
|
/* we first do all conversions */
|
tmp_locals = (int *)alloca (sizeof (int) * sig->param_count);
|
for (i = 0; i < sig->param_count; i ++) {
|
MonoType *t = sig->params [i];
|
|
switch (t->type) {
|
case MONO_TYPE_OBJECT:
|
case MONO_TYPE_CLASS:
|
case MONO_TYPE_VALUETYPE:
|
case MONO_TYPE_ARRAY:
|
case MONO_TYPE_SZARRAY:
|
case MONO_TYPE_STRING:
|
case MONO_TYPE_BOOLEAN:
|
tmp_locals [i] = emit_marshal (m, i, sig->params [i], mspecs [i + 1], 0, &csig->params [i], MARSHAL_ACTION_MANAGED_CONV_IN);
|
|
break;
|
default:
|
tmp_locals [i] = 0;
|
break;
|
}
|
}
|
|
if (sig->hasthis) {
|
if (target_handle) {
|
mono_mb_emit_icon (mb, (gint32)target_handle);
|
mono_mb_emit_icall (mb, mono_gchandle_get_target);
|
} else {
|
/* fixme: */
|
g_assert_not_reached ();
|
}
|
} else if (closed) {
|
mono_mb_emit_icon (mb, (gint32)target_handle);
|
mono_mb_emit_icall (mb, mono_gchandle_get_target);
|
}
|
|
for (i = 0; i < sig->param_count; i++) {
|
MonoType *t = sig->params [i];
|
|
if (tmp_locals [i]) {
|
if (t->byref)
|
mono_mb_emit_ldloc_addr (mb, tmp_locals [i]);
|
else
|
mono_mb_emit_ldloc (mb, tmp_locals [i]);
|
}
|
else
|
mono_mb_emit_ldarg (mb, i);
|
}
|
|
/* ret = method (...) */
|
mono_mb_emit_managed_call (mb, method, NULL);
|
|
if (MONO_TYPE_ISSTRUCT (sig->ret)) {
|
MonoClass *klass = mono_class_from_mono_type (sig->ret);
|
mono_class_init (klass);
|
if (!(mono_class_is_explicit_layout (klass) || klass->blittable)) {
|
/* This is used by emit_marshal_vtype (), but it needs to go right before the call */
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_byte (mb, CEE_MONO_VTADDR);
|
mono_mb_emit_stloc (mb, m->vtaddr_var);
|
}
|
}
|
|
if (mspecs [0] && mspecs [0]->native == MONO_NATIVE_CUSTOM) {
|
emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
|
} else if (!sig->ret->byref) {
|
switch (sig->ret->type) {
|
case MONO_TYPE_VOID:
|
break;
|
case MONO_TYPE_BOOLEAN:
|
case MONO_TYPE_I1:
|
case MONO_TYPE_U1:
|
case MONO_TYPE_CHAR:
|
case MONO_TYPE_I2:
|
case MONO_TYPE_U2:
|
case MONO_TYPE_I4:
|
case MONO_TYPE_U4:
|
case MONO_TYPE_I:
|
case MONO_TYPE_U:
|
case MONO_TYPE_PTR:
|
case MONO_TYPE_R4:
|
case MONO_TYPE_R8:
|
case MONO_TYPE_I8:
|
case MONO_TYPE_U8:
|
case MONO_TYPE_OBJECT:
|
mono_mb_emit_stloc (mb, 3);
|
break;
|
case MONO_TYPE_STRING:
|
csig->ret = &mono_defaults.int_class->byval_arg;
|
emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
|
break;
|
case MONO_TYPE_VALUETYPE:
|
case MONO_TYPE_CLASS:
|
case MONO_TYPE_SZARRAY:
|
emit_marshal (m, 0, sig->ret, mspecs [0], 0, NULL, MARSHAL_ACTION_MANAGED_CONV_RESULT);
|
break;
|
default:
|
g_warning ("return type 0x%02x unknown", sig->ret->type);
|
g_assert_not_reached ();
|
}
|
} else {
|
mono_mb_emit_stloc (mb, 3);
|
}
|
|
/* Convert byref arguments back */
|
for (i = 0; i < sig->param_count; i ++) {
|
MonoType *t = sig->params [i];
|
MonoMarshalSpec *spec = mspecs [i + 1];
|
|
if (spec && spec->native == MONO_NATIVE_CUSTOM) {
|
emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
|
}
|
else if (t->byref) {
|
switch (t->type) {
|
case MONO_TYPE_CLASS:
|
case MONO_TYPE_VALUETYPE:
|
case MONO_TYPE_OBJECT:
|
case MONO_TYPE_STRING:
|
case MONO_TYPE_BOOLEAN:
|
emit_marshal (m, i, t, mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
|
break;
|
default:
|
break;
|
}
|
}
|
else if (invoke_sig->params [i]->attrs & PARAM_ATTRIBUTE_OUT) {
|
/* The [Out] information is encoded in the delegate signature */
|
switch (t->type) {
|
case MONO_TYPE_SZARRAY:
|
case MONO_TYPE_CLASS:
|
case MONO_TYPE_VALUETYPE:
|
emit_marshal (m, i, invoke_sig->params [i], mspecs [i + 1], tmp_locals [i], NULL, MARSHAL_ACTION_MANAGED_CONV_OUT);
|
break;
|
default:
|
g_assert_not_reached ();
|
}
|
}
|
}
|
|
leave_try_pos = mono_mb_emit_branch (mb, CEE_LEAVE);
|
|
/* } [endtry] */
|
|
/* catch (Exception e) { */
|
clause_catch->try_len = mono_mb_get_label (mb) - clause_catch->try_offset;
|
clause_catch->handler_offset = mono_mb_get_label (mb);
|
|
mono_mb_emit_stloc (mb, e_local);
|
|
/* ex = mono_gchandle_new (e, false); */
|
mono_mb_emit_ldloc (mb, e_local);
|
mono_mb_emit_icon (mb, 0);
|
mono_mb_emit_icall (mb, mono_gchandle_new);
|
mono_mb_emit_stloc (mb, ex_local);
|
|
leave_catch_pos = mono_mb_emit_branch (mb, CEE_LEAVE);
|
|
/* } [endcatch] */
|
clause_catch->handler_len = mono_mb_get_pos (mb) - clause_catch->handler_offset;
|
|
/* finally { */
|
clause_finally->try_len = mono_mb_get_label (mb) - clause_finally->try_offset;
|
clause_finally->handler_offset = mono_mb_get_label (mb);
|
|
if (!mono_threads_is_blocking_transition_enabled ()) {
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_byte (mb, CEE_MONO_JIT_DETACH);
|
} else {
|
/* mono_threads_detach_coop (); */
|
mono_mb_emit_ldloc (mb, attach_cookie_local);
|
mono_mb_emit_ldloc_addr (mb, attach_dummy_local);
|
mono_mb_emit_icall (mb, mono_threads_detach_coop);
|
}
|
|
/* if (ex != -1) */
|
mono_mb_emit_ldloc (mb, ex_local);
|
mono_mb_emit_icon (mb, -1);
|
mono_mb_emit_byte (mb, CEE_CONV_U4);
|
ex_m1_pos = mono_mb_emit_branch (mb, CEE_BEQ);
|
|
/* mono_marshal_ftnptr_eh_callback (ex) */
|
mono_mb_emit_ldloc (mb, ex_local);
|
mono_mb_emit_icall (mb, mono_marshal_ftnptr_eh_callback);
|
|
/* [ex == -1] */
|
mono_mb_patch_branch (mb, ex_m1_pos);
|
|
mono_mb_emit_byte (mb, CEE_ENDFINALLY);
|
|
/* } [endfinally] */
|
clause_finally->handler_len = mono_mb_get_pos (mb) - clause_finally->handler_offset;
|
|
mono_mb_patch_branch (mb, leave_try_pos);
|
mono_mb_patch_branch (mb, leave_catch_pos);
|
|
/* return ret; */
|
if (m->retobj_var) {
|
mono_mb_emit_ldloc (mb, m->retobj_var);
|
mono_mb_emit_byte (mb, MONO_CUSTOM_PREFIX);
|
mono_mb_emit_op (mb, CEE_MONO_RETOBJ, m->retobj_class);
|
}
|
else {
|
if (!MONO_TYPE_IS_VOID(sig->ret))
|
mono_mb_emit_ldloc (mb, 3);
|
mono_mb_emit_byte (mb, CEE_RET);
|
}
|
|
mono_mb_set_clauses (mb, 2, clauses);
|
|
if (closed)
|
g_free (sig);
|
#endif
|
}
|
|
static void
|
mono_marshal_set_callconv_from_modopt (MonoMethod *method, MonoMethodSignature *csig)
|
{
|
MonoMethodSignature *sig;
|
int i;
|
|
#ifdef TARGET_WIN32
|
/*
|
* Under windows, delegates passed to native code must use the STDCALL
|
* calling convention.
|
*/
|
csig->call_convention = MONO_CALL_STDCALL;
|
#endif
|
|
sig = mono_method_signature (method);
|
|
/* Change default calling convention if needed */
|
/* Why is this a modopt ? */
|
if (sig->ret && sig->ret->num_mods) {
|
for (i = 0; i < sig->ret->num_mods; ++i) {
|
MonoError error;
|
MonoClass *cmod_class = mono_class_get_checked (method->klass->image, sig->ret->modifiers [i].token, &error);
|
g_assert (mono_error_ok (&error));
|
if ((cmod_class->image == mono_defaults.corlib) && !strcmp (cmod_class->name_space, "System.Runtime.CompilerServices")) {
|
if (!strcmp (cmod_class->name, "CallConvCdecl"))
|
csig->call_convention = MONO_CALL_C;
|
else if (!strcmp (cmod_class->name, "CallConvStdcall"))
|
csig->call_convention = MONO_CALL_STDCALL;
|
else if (!strcmp (cmod_class->name, "CallConvFastcall"))
|
csig->call_convention = MONO_CALL_FASTCALL;
|
else if (!strcmp (cmod_class->name, "CallConvThiscall"))
|
csig->call_convention = MONO_CALL_THISCALL;
|
}
|
}
|
}
|
}
|
|
/**
|
* mono_marshal_get_managed_wrapper:
|
* Generates IL code to call managed methods from unmanaged code
|
* If \p target_handle is \c 0, the wrapper info will be a \c WrapperInfo structure.
|
*/
|
MonoMethod *
|
mono_marshal_get_managed_wrapper (MonoMethod *method, MonoClass *delegate_klass, uint32_t target_handle, MonoError *error)
|
{
|
MonoMethodSignature *sig, *csig, *invoke_sig;
|
MonoMethodBuilder *mb;
|
MonoMethod *res, *invoke;
|
MonoMarshalSpec **mspecs;
|
MonoMethodPInvoke piinfo;
|
GHashTable *cache;
|
int i;
|
EmitMarshalContext m;
|
|
g_assert (method != NULL);
|
error_init (error);
|
|
if (method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) {
|
mono_error_set_invalid_program (error, "Failed because method (%s) marked PInvokeCallback (managed method) and extern (unmanaged) simultaneously.", mono_method_full_name (method, TRUE));
|
return NULL;
|
}
|
|
/*
|
* FIXME: Should cache the method+delegate type pair, since the same method
|
* could be called with different delegates, thus different marshalling
|
* options.
|
*/
|
cache = get_cache (&mono_method_get_wrapper_cache (method)->managed_wrapper_cache, mono_aligned_addr_hash, NULL);
|
|
if (!target_handle && (res = mono_marshal_find_in_cache (cache, method)))
|
return res;
|
|
invoke = mono_get_delegate_invoke (delegate_klass);
|
invoke_sig = mono_method_signature (invoke);
|
|
mspecs = g_new0 (MonoMarshalSpec*, mono_method_signature (invoke)->param_count + 1);
|
mono_method_get_marshal_info (invoke, mspecs);
|
|
sig = mono_method_signature (method);
|
|
mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
|
|
/*the target gchandle must be the first entry after size and the wrapper itself.*/
|
mono_mb_add_data (mb, GUINT_TO_POINTER (target_handle));
|
|
/* we copy the signature, so that we can modify it */
|
if (target_handle)
|
/* Need to free this later */
|
csig = mono_metadata_signature_dup (invoke_sig);
|
else
|
csig = mono_metadata_signature_dup_full (method->klass->image, invoke_sig);
|
csig->hasthis = 0;
|
csig->pinvoke = 1;
|
|
memset (&m, 0, sizeof (m));
|
m.mb = mb;
|
m.sig = sig;
|
m.piinfo = NULL;
|
m.retobj_var = 0;
|
m.csig = csig;
|
m.image = method->klass->image;
|
|
mono_marshal_set_callconv_from_modopt (invoke, csig);
|
|
/* The attribute is only available in Net 2.0 */
|
if (mono_class_try_get_unmanaged_function_pointer_attribute_class ()) {
|
MonoCustomAttrInfo *cinfo;
|
MonoCustomAttrEntry *attr;
|
|
/*
|
* The pinvoke attributes are stored in a real custom attribute. Obtain the
|
* contents of the attribute without constructing it, as that might not be
|
* possible when running in cross-compiling mode.
|
*/
|
cinfo = mono_custom_attrs_from_class_checked (delegate_klass, error);
|
mono_error_assert_ok (error);
|
attr = NULL;
|
if (cinfo) {
|
for (i = 0; i < cinfo->num_attrs; ++i) {
|
MonoClass *ctor_class = cinfo->attrs [i].ctor->klass;
|
if (mono_class_has_parent (ctor_class, mono_class_try_get_unmanaged_function_pointer_attribute_class ())) {
|
attr = &cinfo->attrs [i];
|
break;
|
}
|
}
|
}
|
if (attr) {
|
MonoArray *typed_args, *named_args;
|
CattrNamedArg *arginfo;
|
MonoObject *o;
|
gint32 call_conv;
|
gint32 charset = 0;
|
MonoBoolean set_last_error = 0;
|
MonoError error;
|
|
mono_reflection_create_custom_attr_data_args (mono_defaults.corlib, attr->ctor, attr->data, attr->data_size, &typed_args, &named_args, &arginfo, &error);
|
g_assert (mono_error_ok (&error));
|
g_assert (mono_array_length (typed_args) == 1);
|
|
/* typed args */
|
o = mono_array_get (typed_args, MonoObject*, 0);
|
call_conv = *(gint32*)mono_object_unbox (o);
|
|
/* named args */
|
for (i = 0; i < mono_array_length (named_args); ++i) {
|
CattrNamedArg *narg = &arginfo [i];
|
|
o = mono_array_get (named_args, MonoObject*, i);
|
|
g_assert (narg->field);
|
if (!strcmp (narg->field->name, "CharSet")) {
|
charset = *(gint32*)mono_object_unbox (o);
|
} else if (!strcmp (narg->field->name, "SetLastError")) {
|
set_last_error = *(MonoBoolean*)mono_object_unbox (o);
|
} else if (!strcmp (narg->field->name, "BestFitMapping")) {
|
// best_fit_mapping = *(MonoBoolean*)mono_object_unbox (o);
|
} else if (!strcmp (narg->field->name, "ThrowOnUnmappableChar")) {
|
// throw_on_unmappable = *(MonoBoolean*)mono_object_unbox (o);
|
} else {
|
g_assert_not_reached ();
|
}
|
}
|
|
g_free (arginfo);
|
|
memset (&piinfo, 0, sizeof (piinfo));
|
m.piinfo = &piinfo;
|
piinfo.piflags = (call_conv << 8) | (charset ? (charset - 1) * 2 : 1) | set_last_error;
|
|
csig->call_convention = call_conv - 1;
|
}
|
|
if (cinfo && !cinfo->cached)
|
mono_custom_attrs_free (cinfo);
|
}
|
|
mono_marshal_emit_managed_wrapper (mb, invoke_sig, mspecs, &m, method, target_handle);
|
|
if (!target_handle) {
|
WrapperInfo *info;
|
|
// FIXME: Associate it with the method+delegate_klass pair
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
|
info->d.native_to_managed.method = method;
|
info->d.native_to_managed.klass = delegate_klass;
|
|
res = mono_mb_create_and_cache_full (cache, method,
|
mb, csig, sig->param_count + 16,
|
info, NULL);
|
} else {
|
#ifdef ENABLE_ILGEN
|
mb->dynamic = TRUE;
|
#endif
|
res = mono_mb_create (mb, csig, sig->param_count + 16, NULL);
|
}
|
mono_mb_free (mb);
|
|
for (i = mono_method_signature (invoke)->param_count; i >= 0; i--)
|
if (mspecs [i])
|
mono_metadata_free_marshal_spec (mspecs [i]);
|
g_free (mspecs);
|
|
/* mono_method_print_code (res); */
|
|
return res;
|
}
|
|
gpointer
|
mono_marshal_get_vtfixup_ftnptr (MonoImage *image, guint32 token, guint16 type)
|
{
|
MonoError error;
|
MonoMethod *method;
|
MonoMethodSignature *sig;
|
MonoMethodBuilder *mb;
|
int i, param_count;
|
|
g_assert (token);
|
|
method = mono_get_method_checked (image, token, NULL, NULL, &error);
|
if (!method)
|
g_error ("Could not load vtfixup token 0x%x due to %s", token, mono_error_get_message (&error));
|
g_assert (method);
|
|
if (type & (VTFIXUP_TYPE_FROM_UNMANAGED | VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN)) {
|
MonoMethodSignature *csig;
|
MonoMarshalSpec **mspecs;
|
EmitMarshalContext m;
|
|
sig = mono_method_signature (method);
|
g_assert (!sig->hasthis);
|
|
mspecs = g_new0 (MonoMarshalSpec*, sig->param_count + 1);
|
mono_method_get_marshal_info (method, mspecs);
|
|
mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
|
csig = mono_metadata_signature_dup_full (image, sig);
|
csig->hasthis = 0;
|
csig->pinvoke = 1;
|
|
memset (&m, 0, sizeof (m));
|
m.mb = mb;
|
m.sig = sig;
|
m.piinfo = NULL;
|
m.retobj_var = 0;
|
m.csig = csig;
|
m.image = image;
|
|
mono_marshal_set_callconv_from_modopt (method, csig);
|
|
/* FIXME: Implement VTFIXUP_TYPE_FROM_UNMANAGED_RETAIN_APPDOMAIN. */
|
|
mono_marshal_emit_managed_wrapper (mb, sig, mspecs, &m, method, 0);
|
|
#ifdef ENABLE_ILGEN
|
mb->dynamic = TRUE;
|
#endif
|
method = mono_mb_create (mb, csig, sig->param_count + 16, NULL);
|
mono_mb_free (mb);
|
|
for (i = sig->param_count; i >= 0; i--)
|
if (mspecs [i])
|
mono_metadata_free_marshal_spec (mspecs [i]);
|
g_free (mspecs);
|
|
gpointer compiled_ptr = mono_compile_method_checked (method, &error);
|
mono_error_assert_ok (&error);
|
return compiled_ptr;
|
}
|
|
sig = mono_method_signature (method);
|
mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_MANAGED_TO_MANAGED);
|
|
param_count = sig->param_count + sig->hasthis;
|
#ifdef ENABLE_ILGEN
|
for (i = 0; i < param_count; i++)
|
mono_mb_emit_ldarg (mb, i);
|
|
if (type & VTFIXUP_TYPE_CALL_MOST_DERIVED)
|
mono_mb_emit_op (mb, CEE_CALLVIRT, method);
|
else
|
mono_mb_emit_op (mb, CEE_CALL, method);
|
mono_mb_emit_byte (mb, CEE_RET);
|
|
mb->dynamic = TRUE;
|
#endif
|
|
method = mono_mb_create (mb, sig, param_count, NULL);
|
mono_mb_free (mb);
|
|
gpointer compiled_ptr = mono_compile_method_checked (method, &error);
|
mono_error_assert_ok (&error);
|
return compiled_ptr;
|
}
|
|
#ifdef ENABLE_ILGEN
|
|
/*
|
* The code directly following this is the cache hit, value positive branch
|
*
|
* This function takes a new method builder with 0 locals and adds two locals
|
* to create multiple out-branches and the fall through state of having the object
|
* on the stack after a cache miss
|
*/
|
static void
|
generate_check_cache (int obj_arg_position, int class_arg_position, int cache_arg_position, // In-parameters
|
int *null_obj, int *cache_hit_neg, int *cache_hit_pos, // Out-parameters
|
MonoMethodBuilder *mb)
|
{
|
int cache_miss_pos;
|
|
/* allocate local 0 (pointer) obj_vtable */
|
mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
/* allocate local 1 (pointer) cached_vtable */
|
mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
|
/*if (!obj)*/
|
mono_mb_emit_ldarg (mb, obj_arg_position);
|
*null_obj = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/*obj_vtable = obj->vtable;*/
|
mono_mb_emit_ldarg (mb, obj_arg_position);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_stloc (mb, 0);
|
|
/* cached_vtable = *cache*/
|
mono_mb_emit_ldarg (mb, cache_arg_position);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_stloc (mb, 1);
|
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_byte (mb, CEE_LDC_I4);
|
mono_mb_emit_i4 (mb, ~0x1);
|
mono_mb_emit_byte (mb, CEE_CONV_I);
|
mono_mb_emit_byte (mb, CEE_AND);
|
mono_mb_emit_ldloc (mb, 0);
|
/*if ((cached_vtable & ~0x1)== obj_vtable)*/
|
cache_miss_pos = mono_mb_emit_branch (mb, CEE_BNE_UN);
|
|
/*return (cached_vtable & 0x1) ? NULL : obj;*/
|
mono_mb_emit_ldloc (mb, 1);
|
mono_mb_emit_byte(mb, CEE_LDC_I4_1);
|
mono_mb_emit_byte (mb, CEE_CONV_U);
|
mono_mb_emit_byte (mb, CEE_AND);
|
*cache_hit_neg = mono_mb_emit_branch (mb, CEE_BRTRUE);
|
*cache_hit_pos = mono_mb_emit_branch (mb, CEE_BR);
|
|
// slow path
|
mono_mb_patch_branch (mb, cache_miss_pos);
|
|
// if isinst
|
mono_mb_emit_ldarg (mb, obj_arg_position);
|
mono_mb_emit_ldarg (mb, class_arg_position);
|
mono_mb_emit_ldarg (mb, cache_arg_position);
|
mono_mb_emit_icall (mb, mono_marshal_isinst_with_cache);
|
}
|
|
#endif /* ENABLE_ILGEN */
|
|
/**
|
* mono_marshal_get_castclass_with_cache:
|
* This does the equivalent of \c mono_object_castclass_with_cache.
|
*/
|
MonoMethod *
|
mono_marshal_get_castclass_with_cache (void)
|
{
|
static MonoMethod *cached;
|
MonoMethod *res;
|
MonoMethodBuilder *mb;
|
MonoMethodSignature *sig;
|
int return_null_pos, positive_cache_hit_pos, negative_cache_hit_pos, invalid_cast_pos;
|
WrapperInfo *info;
|
|
const int obj_arg_position = 0;
|
const int class_arg_position = 1;
|
const int cache_arg_position = 2;
|
|
if (cached)
|
return cached;
|
|
mb = mono_mb_new (mono_defaults.object_class, "__castclass_with_cache", MONO_WRAPPER_CASTCLASS);
|
sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
|
sig->params [obj_arg_position] = &mono_defaults.object_class->byval_arg;
|
sig->params [class_arg_position] = &mono_defaults.int_class->byval_arg;
|
sig->params [cache_arg_position] = &mono_defaults.int_class->byval_arg;
|
sig->ret = &mono_defaults.object_class->byval_arg;
|
sig->pinvoke = 0;
|
|
#ifdef ENABLE_ILGEN
|
generate_check_cache (obj_arg_position, class_arg_position, cache_arg_position,
|
&return_null_pos, &negative_cache_hit_pos, &positive_cache_hit_pos, mb);
|
invalid_cast_pos = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/*return obj;*/
|
mono_mb_patch_branch (mb, positive_cache_hit_pos);
|
mono_mb_emit_ldarg (mb, obj_arg_position);
|
mono_mb_emit_byte (mb, CEE_RET);
|
|
/*fails*/
|
mono_mb_patch_branch (mb, negative_cache_hit_pos);
|
mono_mb_patch_branch (mb, invalid_cast_pos);
|
mono_mb_emit_exception (mb, "InvalidCastException", NULL);
|
|
/*return null*/
|
mono_mb_patch_branch (mb, return_null_pos);
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
mono_mb_emit_byte (mb, CEE_RET);
|
#endif /* ENABLE_ILGEN */
|
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_CASTCLASS_WITH_CACHE);
|
res = mono_mb_create (mb, sig, 8, info);
|
STORE_STORE_FENCE;
|
|
if (mono_atomic_cas_ptr ((volatile gpointer *)&cached, res, NULL)) {
|
mono_free_method (res);
|
mono_metadata_free_method_signature (sig);
|
}
|
mono_mb_free (mb);
|
|
return cached;
|
}
|
|
/* this is an icall */
|
static MonoObject *
|
mono_marshal_isinst_with_cache (MonoObject *obj, MonoClass *klass, uintptr_t *cache)
|
{
|
MonoError error;
|
MonoObject *isinst = mono_object_isinst_checked (obj, klass, &error);
|
if (mono_error_set_pending_exception (&error))
|
return NULL;
|
|
if (mono_object_is_transparent_proxy (obj))
|
return isinst;
|
|
uintptr_t cache_update = (uintptr_t)obj->vtable;
|
if (!isinst)
|
cache_update = cache_update | 0x1;
|
|
*cache = cache_update;
|
|
return isinst;
|
}
|
|
/**
|
* mono_marshal_get_isinst_with_cache:
|
* This does the equivalent of \c mono_marshal_isinst_with_cache.
|
*/
|
MonoMethod *
|
mono_marshal_get_isinst_with_cache (void)
|
{
|
static MonoMethod *cached;
|
MonoMethod *res;
|
MonoMethodBuilder *mb;
|
MonoMethodSignature *sig;
|
int return_null_pos, positive_cache_hit_pos, negative_cache_hit_pos;
|
WrapperInfo *info;
|
|
const int obj_arg_position = 0;
|
const int class_arg_position = 1;
|
const int cache_arg_position = 2;
|
|
if (cached)
|
return cached;
|
|
mb = mono_mb_new (mono_defaults.object_class, "__isinst_with_cache", MONO_WRAPPER_CASTCLASS);
|
sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
|
// The object
|
sig->params [obj_arg_position] = &mono_defaults.object_class->byval_arg;
|
// The class
|
sig->params [class_arg_position] = &mono_defaults.int_class->byval_arg;
|
// The cache
|
sig->params [cache_arg_position] = &mono_defaults.int_class->byval_arg;
|
sig->ret = &mono_defaults.object_class->byval_arg;
|
sig->pinvoke = 0;
|
|
#ifdef ENABLE_ILGEN
|
generate_check_cache (obj_arg_position, class_arg_position, cache_arg_position,
|
&return_null_pos, &negative_cache_hit_pos, &positive_cache_hit_pos, mb);
|
// Return the object gotten via the slow path.
|
mono_mb_emit_byte (mb, CEE_RET);
|
|
// return NULL;
|
mono_mb_patch_branch (mb, negative_cache_hit_pos);
|
mono_mb_patch_branch (mb, return_null_pos);
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
mono_mb_emit_byte (mb, CEE_RET);
|
|
// return obj
|
mono_mb_patch_branch (mb, positive_cache_hit_pos);
|
mono_mb_emit_ldarg (mb, obj_arg_position);
|
mono_mb_emit_byte (mb, CEE_RET);
|
#endif
|
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ISINST_WITH_CACHE);
|
res = mono_mb_create (mb, sig, 8, info);
|
STORE_STORE_FENCE;
|
|
if (mono_atomic_cas_ptr ((volatile gpointer *)&cached, res, NULL)) {
|
mono_free_method (res);
|
mono_metadata_free_method_signature (sig);
|
}
|
mono_mb_free (mb);
|
|
return cached;
|
}
|
|
/**
|
* mono_marshal_get_struct_to_ptr:
|
* \param klass \c MonoClass
|
*
|
* Generates IL code for <code>StructureToPtr (object structure, IntPtr ptr, bool fDeleteOld)</code>
|
*/
|
MonoMethod *
|
mono_marshal_get_struct_to_ptr (MonoClass *klass)
|
{
|
MonoMethodBuilder *mb;
|
static MonoMethod *stoptr = NULL;
|
MonoMethod *res;
|
WrapperInfo *info;
|
|
g_assert (klass != NULL);
|
|
mono_marshal_load_type_info (klass);
|
|
MonoMarshalType *marshal_info = mono_class_get_marshal_info (klass);
|
if (marshal_info->str_to_ptr)
|
return marshal_info->str_to_ptr;
|
|
if (!stoptr)
|
stoptr = mono_class_get_method_from_name (mono_defaults.marshal_class, "StructureToPtr", 3);
|
g_assert (stoptr);
|
|
mb = mono_mb_new (klass, stoptr->name, MONO_WRAPPER_UNKNOWN);
|
|
#ifdef ENABLE_ILGEN
|
if (klass->blittable) {
|
mono_mb_emit_byte (mb, CEE_LDARG_1);
|
mono_mb_emit_byte (mb, CEE_LDARG_0);
|
mono_mb_emit_ldflda (mb, sizeof (MonoObject));
|
mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
|
mono_mb_emit_byte (mb, CEE_PREFIX1);
|
mono_mb_emit_byte (mb, CEE_CPBLK);
|
} else {
|
|
/* allocate local 0 (pointer) src_ptr */
|
mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
/* allocate local 1 (pointer) dst_ptr */
|
mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
/* allocate local 2 (boolean) delete_old */
|
mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
|
mono_mb_emit_byte (mb, CEE_LDARG_2);
|
mono_mb_emit_stloc (mb, 2);
|
|
/* initialize src_ptr to point to the start of object data */
|
mono_mb_emit_byte (mb, CEE_LDARG_0);
|
mono_mb_emit_ldflda (mb, sizeof (MonoObject));
|
mono_mb_emit_stloc (mb, 0);
|
|
/* initialize dst_ptr */
|
mono_mb_emit_byte (mb, CEE_LDARG_1);
|
mono_mb_emit_stloc (mb, 1);
|
|
emit_struct_conv (mb, klass, FALSE);
|
}
|
|
mono_mb_emit_byte (mb, CEE_RET);
|
#endif
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_STRUCTURE_TO_PTR);
|
res = mono_mb_create (mb, mono_signature_no_pinvoke (stoptr), 0, info);
|
mono_mb_free (mb);
|
|
mono_marshal_lock ();
|
if (!marshal_info->str_to_ptr)
|
marshal_info->str_to_ptr = res;
|
else
|
res = marshal_info->str_to_ptr;
|
mono_marshal_unlock ();
|
return res;
|
}
|
|
/**
|
* mono_marshal_get_ptr_to_struct:
|
* \param klass \c MonoClass
|
* Generates IL code for <code>PtrToStructure (IntPtr src, object structure)</code>
|
*/
|
MonoMethod *
|
mono_marshal_get_ptr_to_struct (MonoClass *klass)
|
{
|
MonoMethodBuilder *mb;
|
static MonoMethodSignature *ptostr = NULL;
|
MonoMethod *res;
|
WrapperInfo *info;
|
|
g_assert (klass != NULL);
|
|
mono_marshal_load_type_info (klass);
|
|
MonoMarshalType *marshal_info = mono_class_get_marshal_info (klass);
|
if (marshal_info->ptr_to_str)
|
return marshal_info->ptr_to_str;
|
|
if (!ptostr) {
|
MonoMethodSignature *sig;
|
|
/* Create the signature corresponding to
|
static void PtrToStructure (IntPtr ptr, object structure);
|
defined in class/corlib/System.Runtime.InteropServices/Marshal.cs */
|
sig = mono_create_icall_signature ("void ptr object");
|
sig = mono_metadata_signature_dup_full (mono_defaults.corlib, sig);
|
sig->pinvoke = 0;
|
mono_memory_barrier ();
|
ptostr = sig;
|
}
|
|
mb = mono_mb_new (klass, "PtrToStructure", MONO_WRAPPER_UNKNOWN);
|
|
#ifdef ENABLE_ILGEN
|
if (klass->blittable) {
|
mono_mb_emit_byte (mb, CEE_LDARG_1);
|
mono_mb_emit_ldflda (mb, sizeof (MonoObject));
|
mono_mb_emit_byte (mb, CEE_LDARG_0);
|
mono_mb_emit_icon (mb, mono_class_value_size (klass, NULL));
|
mono_mb_emit_byte (mb, CEE_PREFIX1);
|
mono_mb_emit_byte (mb, CEE_CPBLK);
|
} else {
|
|
/* allocate local 0 (pointer) src_ptr */
|
mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
/* allocate local 1 (pointer) dst_ptr */
|
mono_mb_add_local (mb, &klass->this_arg);
|
|
/* initialize src_ptr to point to the start of object data */
|
mono_mb_emit_byte (mb, CEE_LDARG_0);
|
mono_mb_emit_stloc (mb, 0);
|
|
/* initialize dst_ptr */
|
mono_mb_emit_byte (mb, CEE_LDARG_1);
|
mono_mb_emit_op (mb, CEE_UNBOX, klass);
|
mono_mb_emit_stloc (mb, 1);
|
|
emit_struct_conv (mb, klass, TRUE);
|
}
|
|
mono_mb_emit_byte (mb, CEE_RET);
|
#endif
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_PTR_TO_STRUCTURE);
|
res = mono_mb_create (mb, ptostr, 0, info);
|
mono_mb_free (mb);
|
|
mono_marshal_lock ();
|
if (!marshal_info->ptr_to_str)
|
marshal_info->ptr_to_str = res;
|
else
|
res = marshal_info->ptr_to_str;
|
mono_marshal_unlock ();
|
return res;
|
}
|
|
/*
|
* Return a dummy wrapper for METHOD which is called by synchronized wrappers.
|
* This is used to avoid infinite recursion since it is hard to determine where to
|
* replace a method with its synchronized wrapper, and where not.
|
* The runtime should execute METHOD instead of the wrapper.
|
*/
|
MonoMethod *
|
mono_marshal_get_synchronized_inner_wrapper (MonoMethod *method)
|
{
|
MonoMethodBuilder *mb;
|
WrapperInfo *info;
|
MonoMethodSignature *sig;
|
MonoMethod *res;
|
MonoGenericContext *ctx = NULL;
|
MonoGenericContainer *container = NULL;
|
|
if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
|
ctx = &((MonoMethodInflated*)method)->context;
|
method = ((MonoMethodInflated*)method)->declaring;
|
container = mono_method_get_generic_container (method);
|
if (!container)
|
container = mono_class_try_get_generic_container (method->klass); //FIXME is this a case of a try?
|
g_assert (container);
|
}
|
|
mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
|
#ifdef ENABLE_ILGEN
|
mono_mb_emit_exception_full (mb, "System", "ExecutionEngineException", "Shouldn't be called.");
|
mono_mb_emit_byte (mb, CEE_RET);
|
#endif
|
sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
|
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_SYNCHRONIZED_INNER);
|
info->d.synchronized_inner.method = method;
|
res = mono_mb_create (mb, sig, 0, info);
|
mono_mb_free (mb);
|
if (ctx) {
|
MonoError error;
|
res = mono_class_inflate_generic_method_checked (res, ctx, &error);
|
g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
|
}
|
return res;
|
}
|
|
/**
|
* mono_marshal_get_synchronized_wrapper:
|
* Generates IL code for the synchronized wrapper: the generated method
|
* calls \p method while locking \c this or the parent type.
|
*/
|
MonoMethod *
|
mono_marshal_get_synchronized_wrapper (MonoMethod *method)
|
{
|
static MonoMethod *enter_method, *exit_method, *gettypefromhandle_method;
|
MonoMethodSignature *sig;
|
MonoExceptionClause *clause;
|
MonoMethodBuilder *mb;
|
MonoMethod *res;
|
GHashTable *cache;
|
WrapperInfo *info;
|
int i, pos, pos2, this_local, taken_local, ret_local = 0;
|
MonoGenericContext *ctx = NULL;
|
MonoMethod *orig_method = NULL;
|
MonoGenericContainer *container = NULL;
|
|
g_assert (method);
|
|
if (method->wrapper_type == MONO_WRAPPER_SYNCHRONIZED)
|
return method;
|
|
/* FIXME: Support generic methods too */
|
if (method->is_inflated && !mono_method_get_context (method)->method_inst) {
|
orig_method = method;
|
ctx = &((MonoMethodInflated*)method)->context;
|
method = ((MonoMethodInflated*)method)->declaring;
|
container = mono_method_get_generic_container (method);
|
if (!container)
|
container = mono_class_try_get_generic_container (method->klass); //FIXME is this a case of a try?
|
g_assert (container);
|
}
|
|
/*
|
* Check cache
|
*/
|
if (ctx) {
|
cache = get_cache (&((MonoMethodInflated*)orig_method)->owner->wrapper_caches.synchronized_cache, mono_aligned_addr_hash, NULL);
|
res = check_generic_wrapper_cache (cache, orig_method, orig_method, method);
|
if (res)
|
return res;
|
} else {
|
cache = get_cache (&method->klass->image->wrapper_caches.synchronized_cache, mono_aligned_addr_hash, NULL);
|
if ((res = mono_marshal_find_in_cache (cache, method)))
|
return res;
|
}
|
|
sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
|
sig->pinvoke = 0;
|
|
mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_SYNCHRONIZED);
|
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
|
info->d.synchronized.method = method;
|
|
#ifdef ENABLE_ILGEN
|
mb->skip_visibility = 1;
|
/* result */
|
if (!MONO_TYPE_IS_VOID (sig->ret))
|
ret_local = mono_mb_add_local (mb, sig->ret);
|
#endif
|
|
if (method->klass->valuetype && !(method->flags & MONO_METHOD_ATTR_STATIC)) {
|
/* FIXME Is this really the best way to signal an error here? Isn't this called much later after class setup? -AK */
|
mono_class_set_type_load_failure (method->klass, "");
|
#ifdef ENABLE_ILGEN
|
/* This will throw the type load exception when the wrapper is compiled */
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
mono_mb_emit_op (mb, CEE_ISINST, method->klass);
|
mono_mb_emit_byte (mb, CEE_POP);
|
|
if (!MONO_TYPE_IS_VOID (sig->ret))
|
mono_mb_emit_ldloc (mb, ret_local);
|
mono_mb_emit_byte (mb, CEE_RET);
|
#endif
|
|
res = mono_mb_create_and_cache_full (cache, method,
|
mb, sig, sig->param_count + 16, info, NULL);
|
mono_mb_free (mb);
|
|
return res;
|
}
|
|
#ifdef ENABLE_ILGEN
|
/* this */
|
this_local = mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
|
taken_local = mono_mb_add_local (mb, &mono_defaults.boolean_class->byval_arg);
|
|
clause = (MonoExceptionClause *)mono_image_alloc0 (method->klass->image, sizeof (MonoExceptionClause));
|
clause->flags = MONO_EXCEPTION_CLAUSE_FINALLY;
|
#endif
|
|
mono_marshal_lock ();
|
|
if (!enter_method) {
|
MonoMethodDesc *desc;
|
|
desc = mono_method_desc_new ("Monitor:Enter(object,bool&)", FALSE);
|
enter_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
|
g_assert (enter_method);
|
mono_method_desc_free (desc);
|
|
desc = mono_method_desc_new ("Monitor:Exit", FALSE);
|
exit_method = mono_method_desc_search_in_class (desc, mono_defaults.monitor_class);
|
g_assert (exit_method);
|
mono_method_desc_free (desc);
|
|
desc = mono_method_desc_new ("Type:GetTypeFromHandle", FALSE);
|
gettypefromhandle_method = mono_method_desc_search_in_class (desc, mono_defaults.systemtype_class);
|
g_assert (gettypefromhandle_method);
|
mono_method_desc_free (desc);
|
}
|
|
mono_marshal_unlock ();
|
|
#ifdef ENABLE_ILGEN
|
/* Push this or the type object */
|
if (method->flags & METHOD_ATTRIBUTE_STATIC) {
|
/* We have special handling for this in the JIT */
|
int index = mono_mb_add_data (mb, method->klass);
|
mono_mb_add_data (mb, mono_defaults.typehandle_class);
|
mono_mb_emit_byte (mb, CEE_LDTOKEN);
|
mono_mb_emit_i4 (mb, index);
|
|
mono_mb_emit_managed_call (mb, gettypefromhandle_method, NULL);
|
}
|
else
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_stloc (mb, this_local);
|
|
/* Call Monitor::Enter() */
|
mono_mb_emit_ldloc (mb, this_local);
|
mono_mb_emit_ldloc_addr (mb, taken_local);
|
mono_mb_emit_managed_call (mb, enter_method, NULL);
|
|
clause->try_offset = mono_mb_get_label (mb);
|
|
/* Call the method */
|
if (sig->hasthis)
|
mono_mb_emit_ldarg (mb, 0);
|
for (i = 0; i < sig->param_count; i++)
|
mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
|
|
if (ctx) {
|
MonoError error;
|
mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method_checked (method, &container->context, &error), NULL);
|
g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
|
} else {
|
mono_mb_emit_managed_call (mb, method, NULL);
|
}
|
|
if (!MONO_TYPE_IS_VOID (sig->ret))
|
mono_mb_emit_stloc (mb, ret_local);
|
|
pos = mono_mb_emit_branch (mb, CEE_LEAVE);
|
|
clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
|
clause->handler_offset = mono_mb_get_label (mb);
|
|
/* Call Monitor::Exit() if needed */
|
mono_mb_emit_ldloc (mb, taken_local);
|
pos2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
mono_mb_emit_ldloc (mb, this_local);
|
mono_mb_emit_managed_call (mb, exit_method, NULL);
|
mono_mb_patch_branch (mb, pos2);
|
mono_mb_emit_byte (mb, CEE_ENDFINALLY);
|
|
clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
|
|
mono_mb_patch_branch (mb, pos);
|
if (!MONO_TYPE_IS_VOID (sig->ret))
|
mono_mb_emit_ldloc (mb, ret_local);
|
mono_mb_emit_byte (mb, CEE_RET);
|
|
mono_mb_set_clauses (mb, 1, clause);
|
#endif
|
|
if (ctx) {
|
MonoMethod *def;
|
def = mono_mb_create_and_cache_full (cache, method, mb, sig, sig->param_count + 16, info, NULL);
|
res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
|
} else {
|
res = mono_mb_create_and_cache_full (cache, method,
|
mb, sig, sig->param_count + 16, info, NULL);
|
}
|
mono_mb_free (mb);
|
|
return res;
|
}
|
|
|
/**
|
* mono_marshal_get_unbox_wrapper:
|
* The returned method calls \p method unboxing the \c this argument.
|
*/
|
MonoMethod *
|
mono_marshal_get_unbox_wrapper (MonoMethod *method)
|
{
|
MonoMethodSignature *sig = mono_method_signature (method);
|
int i;
|
MonoMethodBuilder *mb;
|
MonoMethod *res;
|
GHashTable *cache;
|
WrapperInfo *info;
|
|
cache = get_cache (&mono_method_get_wrapper_cache (method)->unbox_wrapper_cache, mono_aligned_addr_hash, NULL);
|
|
if ((res = mono_marshal_find_in_cache (cache, method)))
|
return res;
|
|
mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNBOX);
|
|
g_assert (sig->hasthis);
|
|
#ifdef ENABLE_ILGEN
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_icon (mb, sizeof (MonoObject));
|
mono_mb_emit_byte (mb, CEE_ADD);
|
for (i = 0; i < sig->param_count; ++i)
|
mono_mb_emit_ldarg (mb, i + 1);
|
mono_mb_emit_managed_call (mb, method, NULL);
|
mono_mb_emit_byte (mb, CEE_RET);
|
#endif
|
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
|
info->d.unbox.method = method;
|
|
res = mono_mb_create_and_cache_full (cache, method,
|
mb, sig, sig->param_count + 16, info, NULL);
|
mono_mb_free (mb);
|
|
/* mono_method_print_code (res); */
|
|
return res;
|
}
|
|
enum {
|
STELEMREF_OBJECT, /*no check at all*/
|
STELEMREF_SEALED_CLASS, /*check vtable->klass->element_type */
|
STELEMREF_CLASS, /*only the klass->parents check*/
|
STELEMREF_CLASS_SMALL_IDEPTH, /* like STELEMREF_CLASS bit without the idepth check */
|
STELEMREF_INTERFACE, /*interfaces without variant generic arguments. */
|
STELEMREF_COMPLEX, /*arrays, MBR or types with variant generic args - go straight to icalls*/
|
STELEMREF_KIND_COUNT
|
};
|
|
static const char *strelemref_wrapper_name[] = {
|
"object", "sealed_class", "class", "class_small_idepth", "interface", "complex"
|
};
|
|
static gboolean
|
is_monomorphic_array (MonoClass *klass)
|
{
|
MonoClass *element_class;
|
if (klass->rank != 1)
|
return FALSE;
|
|
element_class = klass->element_class;
|
return mono_class_is_sealed (element_class) || element_class->valuetype;
|
}
|
|
static int
|
get_virtual_stelemref_kind (MonoClass *element_class)
|
{
|
if (element_class == mono_defaults.object_class)
|
return STELEMREF_OBJECT;
|
if (is_monomorphic_array (element_class))
|
return STELEMREF_SEALED_CLASS;
|
/* Compressed interface bitmaps require code that is quite complex, so don't optimize for it. */
|
if (MONO_CLASS_IS_INTERFACE (element_class) && !mono_class_has_variant_generic_params (element_class))
|
#ifdef COMPRESSED_INTERFACE_BITMAP
|
return STELEMREF_COMPLEX;
|
#else
|
return STELEMREF_INTERFACE;
|
#endif
|
/*Arrays are sealed but are covariant on their element type, We can't use any of the fast paths.*/
|
if (mono_class_is_marshalbyref (element_class) || element_class->rank || mono_class_has_variant_generic_params (element_class))
|
return STELEMREF_COMPLEX;
|
if (mono_class_is_sealed (element_class))
|
return STELEMREF_SEALED_CLASS;
|
if (element_class->idepth <= MONO_DEFAULT_SUPERTABLE_SIZE)
|
return STELEMREF_CLASS_SMALL_IDEPTH;
|
|
return STELEMREF_CLASS;
|
}
|
|
#ifdef ENABLE_ILGEN
|
|
static void
|
load_array_element_address (MonoMethodBuilder *mb)
|
{
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_ldarg (mb, 1);
|
mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
|
}
|
|
static void
|
load_array_class (MonoMethodBuilder *mb, int aklass)
|
{
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_stloc (mb, aklass);
|
}
|
|
static void
|
load_value_class (MonoMethodBuilder *mb, int vklass)
|
{
|
mono_mb_emit_ldarg (mb, 2);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_stloc (mb, vklass);
|
}
|
#endif
|
|
#if 0
|
static void
|
record_slot_vstore (MonoObject *array, size_t index, MonoObject *value)
|
{
|
char *name = mono_type_get_full_name (array->vtable->klass->element_class);
|
printf ("slow vstore of %s\n", name);
|
g_free (name);
|
}
|
#endif
|
|
/*
|
* TODO:
|
* - Separate simple interfaces from variant interfaces or mbr types. This way we can avoid the icall for them.
|
* - Emit a (new) mono bytecode that produces OP_COND_EXC_NE_UN to raise ArrayTypeMismatch
|
* - Maybe mve some MonoClass field into the vtable to reduce the number of loads
|
* - Add a case for arrays of arrays.
|
*/
|
static MonoMethod*
|
get_virtual_stelemref_wrapper (int kind)
|
{
|
static MonoMethod *cached_methods [STELEMREF_KIND_COUNT] = { NULL }; /*object iface sealed regular*/
|
static MonoMethodSignature *signature;
|
MonoMethodBuilder *mb;
|
MonoMethod *res;
|
char *name;
|
const char *param_names [16];
|
guint32 b1, b2, b3, b4;
|
int aklass, vklass, vtable, uiid;
|
int array_slot_addr;
|
WrapperInfo *info;
|
|
if (cached_methods [kind])
|
return cached_methods [kind];
|
|
name = g_strdup_printf ("virt_stelemref_%s", strelemref_wrapper_name [kind]);
|
mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_STELEMREF);
|
g_free (name);
|
|
if (!signature) {
|
MonoMethodSignature *sig = mono_metadata_signature_alloc (mono_defaults.corlib, 2);
|
|
/* void this::stelemref (size_t idx, void* value) */
|
sig->ret = &mono_defaults.void_class->byval_arg;
|
sig->hasthis = TRUE;
|
sig->params [0] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
|
sig->params [1] = &mono_defaults.object_class->byval_arg;
|
signature = sig;
|
}
|
|
#ifdef ENABLE_ILGEN
|
param_names [0] = "index";
|
param_names [1] = "value";
|
mono_mb_set_param_names (mb, param_names);
|
|
/*For now simply call plain old stelemref*/
|
switch (kind) {
|
case STELEMREF_OBJECT:
|
/* ldelema (implicit bound check) */
|
load_array_element_address (mb);
|
/* do_store */
|
mono_mb_emit_ldarg (mb, 2);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
mono_mb_emit_byte (mb, CEE_RET);
|
break;
|
|
case STELEMREF_COMPLEX: {
|
int b_fast;
|
/*
|
<ldelema (bound check)>
|
if (!value)
|
goto store;
|
if (!mono_object_isinst (value, aklass))
|
goto do_exception;
|
|
do_store:
|
*array_slot_addr = value;
|
|
do_exception:
|
throw new ArrayTypeMismatchException ();
|
*/
|
|
aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
|
|
#if 0
|
{
|
/*Use this to debug/record stores that are going thru the slow path*/
|
MonoMethodSignature *csig;
|
csig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
|
csig->ret = &mono_defaults.void_class->byval_arg;
|
csig->params [0] = &mono_defaults.object_class->byval_arg;
|
csig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
|
csig->params [2] = &mono_defaults.object_class->byval_arg;
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_ldarg (mb, 1);
|
mono_mb_emit_ldarg (mb, 2);
|
mono_mb_emit_native_call (mb, csig, record_slot_vstore);
|
}
|
#endif
|
|
/* ldelema (implicit bound check) */
|
load_array_element_address (mb);
|
mono_mb_emit_stloc (mb, array_slot_addr);
|
|
/* if (!value) goto do_store */
|
mono_mb_emit_ldarg (mb, 2);
|
b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/* aklass = array->vtable->klass->element_class */
|
load_array_class (mb, aklass);
|
/* vklass = value->vtable->klass */
|
load_value_class (mb, vklass);
|
|
/* fastpath */
|
mono_mb_emit_ldloc (mb, vklass);
|
mono_mb_emit_ldloc (mb, aklass);
|
b_fast = mono_mb_emit_branch (mb, CEE_BEQ);
|
|
/*if (mono_object_isinst (value, aklass)) */
|
mono_mb_emit_ldarg (mb, 2);
|
mono_mb_emit_ldloc (mb, aklass);
|
mono_mb_emit_icall (mb, mono_object_isinst_icall);
|
b2 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/* do_store: */
|
mono_mb_patch_branch (mb, b1);
|
mono_mb_patch_branch (mb, b_fast);
|
mono_mb_emit_ldloc (mb, array_slot_addr);
|
mono_mb_emit_ldarg (mb, 2);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
mono_mb_emit_byte (mb, CEE_RET);
|
|
/* do_exception: */
|
mono_mb_patch_branch (mb, b2);
|
|
mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
|
break;
|
}
|
case STELEMREF_SEALED_CLASS:
|
/*
|
<ldelema (bound check)>
|
if (!value)
|
goto store;
|
|
aklass = array->vtable->klass->element_class;
|
vklass = value->vtable->klass;
|
|
if (vklass != aklass)
|
goto do_exception;
|
|
do_store:
|
*array_slot_addr = value;
|
|
do_exception:
|
throw new ArrayTypeMismatchException ();
|
*/
|
aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
|
|
/* ldelema (implicit bound check) */
|
load_array_element_address (mb);
|
mono_mb_emit_stloc (mb, array_slot_addr);
|
|
/* if (!value) goto do_store */
|
mono_mb_emit_ldarg (mb, 2);
|
b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/* aklass = array->vtable->klass->element_class */
|
load_array_class (mb, aklass);
|
|
/* vklass = value->vtable->klass */
|
load_value_class (mb, vklass);
|
|
/*if (vklass != aklass) goto do_exception; */
|
mono_mb_emit_ldloc (mb, aklass);
|
mono_mb_emit_ldloc (mb, vklass);
|
b2 = mono_mb_emit_branch (mb, CEE_BNE_UN);
|
|
/* do_store: */
|
mono_mb_patch_branch (mb, b1);
|
mono_mb_emit_ldloc (mb, array_slot_addr);
|
mono_mb_emit_ldarg (mb, 2);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
mono_mb_emit_byte (mb, CEE_RET);
|
|
/* do_exception: */
|
mono_mb_patch_branch (mb, b2);
|
mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
|
break;
|
|
case STELEMREF_CLASS: {
|
/*
|
the method:
|
<ldelema (bound check)>
|
if (!value)
|
goto do_store;
|
|
aklass = array->vtable->klass->element_class;
|
vklass = value->vtable->klass;
|
|
if (vklass->idepth < aklass->idepth)
|
goto do_exception;
|
|
if (vklass->supertypes [aklass->idepth - 1] != aklass)
|
goto do_exception;
|
|
do_store:
|
*array_slot_addr = value;
|
return;
|
|
long:
|
throw new ArrayTypeMismatchException ();
|
*/
|
aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
|
|
/* ldelema (implicit bound check) */
|
load_array_element_address (mb);
|
mono_mb_emit_stloc (mb, array_slot_addr);
|
|
/* if (!value) goto do_store */
|
mono_mb_emit_ldarg (mb, 2);
|
b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/* aklass = array->vtable->klass->element_class */
|
load_array_class (mb, aklass);
|
|
/* vklass = value->vtable->klass */
|
load_value_class (mb, vklass);
|
|
/* if (vklass->idepth < aklass->idepth) goto failue */
|
mono_mb_emit_ldloc (mb, vklass);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
|
mono_mb_emit_byte (mb, CEE_LDIND_U2);
|
|
mono_mb_emit_ldloc (mb, aklass);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
|
mono_mb_emit_byte (mb, CEE_LDIND_U2);
|
|
b3 = mono_mb_emit_branch (mb, CEE_BLT_UN);
|
|
/* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
|
mono_mb_emit_ldloc (mb, vklass);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
|
mono_mb_emit_ldloc (mb, aklass);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
|
mono_mb_emit_byte (mb, CEE_LDIND_U2);
|
mono_mb_emit_icon (mb, 1);
|
mono_mb_emit_byte (mb, CEE_SUB);
|
mono_mb_emit_icon (mb, sizeof (void*));
|
mono_mb_emit_byte (mb, CEE_MUL);
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
|
mono_mb_emit_ldloc (mb, aklass);
|
b4 = mono_mb_emit_branch (mb, CEE_BNE_UN);
|
|
/* do_store: */
|
mono_mb_patch_branch (mb, b1);
|
mono_mb_emit_ldloc (mb, array_slot_addr);
|
mono_mb_emit_ldarg (mb, 2);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
mono_mb_emit_byte (mb, CEE_RET);
|
|
/* do_exception: */
|
mono_mb_patch_branch (mb, b3);
|
mono_mb_patch_branch (mb, b4);
|
|
mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
|
break;
|
}
|
|
case STELEMREF_CLASS_SMALL_IDEPTH:
|
/*
|
the method:
|
<ldelema (bound check)>
|
if (!value)
|
goto do_store;
|
|
aklass = array->vtable->klass->element_class;
|
vklass = value->vtable->klass;
|
|
if (vklass->supertypes [aklass->idepth - 1] != aklass)
|
goto do_exception;
|
|
do_store:
|
*array_slot_addr = value;
|
return;
|
|
long:
|
throw new ArrayTypeMismatchException ();
|
*/
|
aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
|
|
/* ldelema (implicit bound check) */
|
load_array_element_address (mb);
|
mono_mb_emit_stloc (mb, array_slot_addr);
|
|
/* if (!value) goto do_store */
|
mono_mb_emit_ldarg (mb, 2);
|
b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/* aklass = array->vtable->klass->element_class */
|
load_array_class (mb, aklass);
|
|
/* vklass = value->vtable->klass */
|
load_value_class (mb, vklass);
|
|
/* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
|
mono_mb_emit_ldloc (mb, vklass);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
|
mono_mb_emit_ldloc (mb, aklass);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
|
mono_mb_emit_byte (mb, CEE_LDIND_U2);
|
mono_mb_emit_icon (mb, 1);
|
mono_mb_emit_byte (mb, CEE_SUB);
|
mono_mb_emit_icon (mb, sizeof (void*));
|
mono_mb_emit_byte (mb, CEE_MUL);
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
|
mono_mb_emit_ldloc (mb, aklass);
|
b4 = mono_mb_emit_branch (mb, CEE_BNE_UN);
|
|
/* do_store: */
|
mono_mb_patch_branch (mb, b1);
|
mono_mb_emit_ldloc (mb, array_slot_addr);
|
mono_mb_emit_ldarg (mb, 2);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
mono_mb_emit_byte (mb, CEE_RET);
|
|
/* do_exception: */
|
mono_mb_patch_branch (mb, b4);
|
|
mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
|
break;
|
|
case STELEMREF_INTERFACE:
|
/*Mono *klass;
|
MonoVTable *vt;
|
unsigned uiid;
|
if (value == NULL)
|
goto store;
|
|
klass = array->obj.vtable->klass->element_class;
|
vt = value->vtable;
|
uiid = klass->interface_id;
|
if (uiid > vt->max_interface_id)
|
goto exception;
|
if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7))))
|
goto exception;
|
store:
|
mono_array_setref (array, index, value);
|
return;
|
exception:
|
mono_raise_exception (mono_get_exception_array_type_mismatch ());*/
|
|
array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
|
aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
vtable = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
uiid = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
|
|
/* ldelema (implicit bound check) */
|
load_array_element_address (mb);
|
mono_mb_emit_stloc (mb, array_slot_addr);
|
|
/* if (!value) goto do_store */
|
mono_mb_emit_ldarg (mb, 2);
|
b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/* klass = array->vtable->klass->element_class */
|
load_array_class (mb, aklass);
|
|
/* vt = value->vtable */
|
mono_mb_emit_ldarg (mb, 2);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_stloc (mb, vtable);
|
|
/* uiid = klass->interface_id; */
|
mono_mb_emit_ldloc (mb, aklass);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, interface_id));
|
mono_mb_emit_byte (mb, CEE_LDIND_U4);
|
mono_mb_emit_stloc (mb, uiid);
|
|
/*if (uiid > vt->max_interface_id)*/
|
mono_mb_emit_ldloc (mb, uiid);
|
mono_mb_emit_ldloc (mb, vtable);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, max_interface_id));
|
mono_mb_emit_byte (mb, CEE_LDIND_U4);
|
b2 = mono_mb_emit_branch (mb, CEE_BGT_UN);
|
|
/* if (!(vt->interface_bitmap [(uiid) >> 3] & (1 << ((uiid)&7)))) */
|
|
/*vt->interface_bitmap*/
|
mono_mb_emit_ldloc (mb, vtable);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, interface_bitmap));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
|
/*uiid >> 3*/
|
mono_mb_emit_ldloc (mb, uiid);
|
mono_mb_emit_icon (mb, 3);
|
mono_mb_emit_byte (mb, CEE_SHR_UN);
|
|
/*vt->interface_bitmap [(uiid) >> 3]*/
|
mono_mb_emit_byte (mb, CEE_ADD); /*interface_bitmap is a guint8 array*/
|
mono_mb_emit_byte (mb, CEE_LDIND_U1);
|
|
/*(1 << ((uiid)&7)))*/
|
mono_mb_emit_icon (mb, 1);
|
mono_mb_emit_ldloc (mb, uiid);
|
mono_mb_emit_icon (mb, 7);
|
mono_mb_emit_byte (mb, CEE_AND);
|
mono_mb_emit_byte (mb, CEE_SHL);
|
|
/*bitwise and the whole thing*/
|
mono_mb_emit_byte (mb, CEE_AND);
|
b3 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/* do_store: */
|
mono_mb_patch_branch (mb, b1);
|
mono_mb_emit_ldloc (mb, array_slot_addr);
|
mono_mb_emit_ldarg (mb, 2);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
mono_mb_emit_byte (mb, CEE_RET);
|
|
/* do_exception: */
|
mono_mb_patch_branch (mb, b2);
|
mono_mb_patch_branch (mb, b3);
|
mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
|
break;
|
|
default:
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_ldarg (mb, 1);
|
mono_mb_emit_ldarg (mb, 2);
|
mono_mb_emit_managed_call (mb, mono_marshal_get_stelemref (), NULL);
|
mono_mb_emit_byte (mb, CEE_RET);
|
g_assert (0);
|
}
|
#endif /* ENABLE_ILGEN */
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_VIRTUAL_STELEMREF);
|
info->d.virtual_stelemref.kind = kind;
|
res = mono_mb_create (mb, signature, 4, info);
|
res->flags |= METHOD_ATTRIBUTE_VIRTUAL;
|
|
mono_marshal_lock ();
|
if (!cached_methods [kind]) {
|
cached_methods [kind] = res;
|
mono_marshal_unlock ();
|
} else {
|
mono_marshal_unlock ();
|
mono_free_method (res);
|
}
|
|
mono_mb_free (mb);
|
return cached_methods [kind];
|
}
|
|
MonoMethod*
|
mono_marshal_get_virtual_stelemref (MonoClass *array_class)
|
{
|
int kind;
|
|
g_assert (array_class->rank == 1);
|
kind = get_virtual_stelemref_kind (array_class->element_class);
|
|
return get_virtual_stelemref_wrapper (kind);
|
}
|
|
MonoMethod**
|
mono_marshal_get_virtual_stelemref_wrappers (int *nwrappers)
|
{
|
MonoMethod **res;
|
int i;
|
|
*nwrappers = STELEMREF_KIND_COUNT;
|
res = (MonoMethod **)g_malloc0 (STELEMREF_KIND_COUNT * sizeof (MonoMethod*));
|
for (i = 0; i < STELEMREF_KIND_COUNT; ++i)
|
res [i] = get_virtual_stelemref_wrapper (i);
|
return res;
|
}
|
|
/**
|
* mono_marshal_get_stelemref:
|
*/
|
MonoMethod*
|
mono_marshal_get_stelemref (void)
|
{
|
static MonoMethod* ret = NULL;
|
MonoMethodSignature *sig;
|
MonoMethodBuilder *mb;
|
WrapperInfo *info;
|
|
guint32 b1, b2, b3, b4;
|
guint32 copy_pos;
|
int aklass, vklass;
|
int array_slot_addr;
|
|
if (ret)
|
return ret;
|
|
mb = mono_mb_new (mono_defaults.object_class, "stelemref", MONO_WRAPPER_STELEMREF);
|
|
|
sig = mono_metadata_signature_alloc (mono_defaults.corlib, 3);
|
|
/* void stelemref (void* array, int idx, void* value) */
|
sig->ret = &mono_defaults.void_class->byval_arg;
|
sig->params [0] = &mono_defaults.object_class->byval_arg;
|
sig->params [1] = &mono_defaults.int_class->byval_arg; /* this is a natural sized int */
|
sig->params [2] = &mono_defaults.object_class->byval_arg;
|
|
#ifdef ENABLE_ILGEN
|
aklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
vklass = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
array_slot_addr = mono_mb_add_local (mb, &mono_defaults.object_class->this_arg);
|
|
/*
|
the method:
|
<ldelema (bound check)>
|
if (!value)
|
goto store;
|
|
aklass = array->vtable->klass->element_class;
|
vklass = value->vtable->klass;
|
|
if (vklass->idepth < aklass->idepth)
|
goto long;
|
|
if (vklass->supertypes [aklass->idepth - 1] != aklass)
|
goto long;
|
|
store:
|
*array_slot_addr = value;
|
return;
|
|
long:
|
if (mono_object_isinst (value, aklass))
|
goto store;
|
|
throw new ArrayTypeMismatchException ();
|
*/
|
|
/* ldelema (implicit bound check) */
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_ldarg (mb, 1);
|
mono_mb_emit_op (mb, CEE_LDELEMA, mono_defaults.object_class);
|
mono_mb_emit_stloc (mb, array_slot_addr);
|
|
/* if (!value) goto do_store */
|
mono_mb_emit_ldarg (mb, 2);
|
b1 = mono_mb_emit_branch (mb, CEE_BRFALSE);
|
|
/* aklass = array->vtable->klass->element_class */
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, element_class));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_stloc (mb, aklass);
|
|
/* vklass = value->vtable->klass */
|
mono_mb_emit_ldarg (mb, 2);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_stloc (mb, vklass);
|
|
/* if (vklass->idepth < aklass->idepth) goto failue */
|
mono_mb_emit_ldloc (mb, vklass);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
|
mono_mb_emit_byte (mb, CEE_LDIND_U2);
|
|
mono_mb_emit_ldloc (mb, aklass);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
|
mono_mb_emit_byte (mb, CEE_LDIND_U2);
|
|
b2 = mono_mb_emit_branch (mb, CEE_BLT_UN);
|
|
/* if (vklass->supertypes [aklass->idepth - 1] != aklass) goto failure */
|
mono_mb_emit_ldloc (mb, vklass);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, supertypes));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
|
mono_mb_emit_ldloc (mb, aklass);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoClass, idepth));
|
mono_mb_emit_byte (mb, CEE_LDIND_U2);
|
mono_mb_emit_icon (mb, 1);
|
mono_mb_emit_byte (mb, CEE_SUB);
|
mono_mb_emit_icon (mb, sizeof (void*));
|
mono_mb_emit_byte (mb, CEE_MUL);
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
|
mono_mb_emit_ldloc (mb, aklass);
|
|
b3 = mono_mb_emit_branch (mb, CEE_BNE_UN);
|
|
copy_pos = mono_mb_get_label (mb);
|
/* do_store */
|
mono_mb_patch_branch (mb, b1);
|
mono_mb_emit_ldloc (mb, array_slot_addr);
|
mono_mb_emit_ldarg (mb, 2);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
|
mono_mb_emit_byte (mb, CEE_RET);
|
|
/* the hard way */
|
mono_mb_patch_branch (mb, b2);
|
mono_mb_patch_branch (mb, b3);
|
|
mono_mb_emit_ldarg (mb, 2);
|
mono_mb_emit_ldloc (mb, aklass);
|
mono_mb_emit_icall (mb, mono_object_isinst_icall);
|
|
b4 = mono_mb_emit_branch (mb, CEE_BRTRUE);
|
mono_mb_patch_addr (mb, b4, copy_pos - (b4 + 4));
|
mono_mb_emit_exception (mb, "ArrayTypeMismatchException", NULL);
|
|
mono_mb_emit_byte (mb, CEE_RET);
|
#endif
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_NONE);
|
ret = mono_mb_create (mb, sig, 4, info);
|
mono_mb_free (mb);
|
|
return ret;
|
}
|
|
/*
|
* mono_marshal_get_gsharedvt_in_wrapper:
|
*
|
* This wrapper handles calls from normal code to gsharedvt code.
|
*/
|
MonoMethod*
|
mono_marshal_get_gsharedvt_in_wrapper (void)
|
{
|
static MonoMethod* ret = NULL;
|
MonoMethodSignature *sig;
|
MonoMethodBuilder *mb;
|
WrapperInfo *info;
|
|
if (ret)
|
return ret;
|
|
mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_in", MONO_WRAPPER_UNKNOWN);
|
|
sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
|
sig->ret = &mono_defaults.void_class->byval_arg;
|
|
#ifdef ENABLE_ILGEN
|
/*
|
* The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
|
*/
|
mono_mb_emit_byte (mb, CEE_RET);
|
#endif
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GSHAREDVT_IN);
|
ret = mono_mb_create (mb, sig, 4, info);
|
mono_mb_free (mb);
|
|
return ret;
|
}
|
|
/*
|
* mono_marshal_get_gsharedvt_out_wrapper:
|
*
|
* This wrapper handles calls from gsharedvt code to normal code.
|
*/
|
MonoMethod*
|
mono_marshal_get_gsharedvt_out_wrapper (void)
|
{
|
static MonoMethod* ret = NULL;
|
MonoMethodSignature *sig;
|
MonoMethodBuilder *mb;
|
WrapperInfo *info;
|
|
if (ret)
|
return ret;
|
|
mb = mono_mb_new (mono_defaults.object_class, "gsharedvt_out", MONO_WRAPPER_UNKNOWN);
|
|
sig = mono_metadata_signature_alloc (mono_defaults.corlib, 0);
|
sig->ret = &mono_defaults.void_class->byval_arg;
|
|
#ifdef ENABLE_ILGEN
|
/*
|
* The body is generated by the JIT, we use a wrapper instead of a trampoline so EH works.
|
*/
|
mono_mb_emit_byte (mb, CEE_RET);
|
#endif
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GSHAREDVT_OUT);
|
ret = mono_mb_create (mb, sig, 4, info);
|
mono_mb_free (mb);
|
|
return ret;
|
}
|
|
typedef struct {
|
int rank;
|
int elem_size;
|
MonoMethod *method;
|
} ArrayElemAddr;
|
|
/* LOCKING: vars accessed under the marshal lock */
|
static ArrayElemAddr *elem_addr_cache = NULL;
|
static int elem_addr_cache_size = 0;
|
static int elem_addr_cache_next = 0;
|
|
/**
|
* mono_marshal_get_array_address:
|
* \param rank rank of the array type
|
* \param elem_size size in bytes of an element of an array.
|
*
|
* Returns a MonoMethod that implements the code to get the address
|
* of an element in a multi-dimenasional array of \p rank dimensions.
|
* The returned method takes an array as the first argument and then
|
* \p rank indexes for the \p rank dimensions.
|
* If ELEM_SIZE is 0, read the array size from the array object.
|
*/
|
MonoMethod*
|
mono_marshal_get_array_address (int rank, int elem_size)
|
{
|
MonoMethod *ret;
|
MonoMethodBuilder *mb;
|
MonoMethodSignature *sig;
|
WrapperInfo *info;
|
char *name;
|
int i, bounds, ind, realidx;
|
int branch_pos, *branch_positions;
|
int cached;
|
|
ret = NULL;
|
mono_marshal_lock ();
|
for (i = 0; i < elem_addr_cache_next; ++i) {
|
if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
|
ret = elem_addr_cache [i].method;
|
break;
|
}
|
}
|
mono_marshal_unlock ();
|
if (ret)
|
return ret;
|
|
branch_positions = g_new0 (int, rank);
|
|
sig = mono_metadata_signature_alloc (mono_defaults.corlib, 1 + rank);
|
|
/* void* address (void* array, int idx0, int idx1, int idx2, ...) */
|
sig->ret = &mono_defaults.int_class->byval_arg;
|
sig->params [0] = &mono_defaults.object_class->byval_arg;
|
for (i = 0; i < rank; ++i) {
|
sig->params [i + 1] = &mono_defaults.int32_class->byval_arg;
|
}
|
|
name = g_strdup_printf ("ElementAddr_%d", elem_size);
|
mb = mono_mb_new (mono_defaults.object_class, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
|
g_free (name);
|
|
#ifdef ENABLE_ILGEN
|
bounds = mono_mb_add_local (mb, &mono_defaults.int_class->byval_arg);
|
ind = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
|
realidx = mono_mb_add_local (mb, &mono_defaults.int32_class->byval_arg);
|
|
/* bounds = array->bounds; */
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, bounds));
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_stloc (mb, bounds);
|
|
/* ind is the overall element index, realidx is the partial index in a single dimension */
|
/* ind = idx0 - bounds [0].lower_bound */
|
mono_mb_emit_ldarg (mb, 1);
|
mono_mb_emit_ldloc (mb, bounds);
|
mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_byte (mb, CEE_LDIND_I4);
|
mono_mb_emit_byte (mb, CEE_SUB);
|
mono_mb_emit_stloc (mb, ind);
|
/* if (ind >= bounds [0].length) goto exeception; */
|
mono_mb_emit_ldloc (mb, ind);
|
mono_mb_emit_ldloc (mb, bounds);
|
mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoArrayBounds, length));
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_byte (mb, CEE_LDIND_I4);
|
/* note that we use unsigned comparison */
|
branch_pos = mono_mb_emit_branch (mb, CEE_BGE_UN);
|
|
/* For large ranks (> 4?) use a loop n IL later to reduce code size.
|
* We could also decide to ignore the passed elem_size and get it
|
* from the array object, to reduce the number of methods we generate:
|
* the additional cost is 3 memory loads and a non-immediate mul.
|
*/
|
for (i = 1; i < rank; ++i) {
|
/* realidx = idxi - bounds [i].lower_bound */
|
mono_mb_emit_ldarg (mb, 1 + i);
|
mono_mb_emit_ldloc (mb, bounds);
|
mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, lower_bound));
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_byte (mb, CEE_LDIND_I4);
|
mono_mb_emit_byte (mb, CEE_SUB);
|
mono_mb_emit_stloc (mb, realidx);
|
/* if (realidx >= bounds [i].length) goto exeception; */
|
mono_mb_emit_ldloc (mb, realidx);
|
mono_mb_emit_ldloc (mb, bounds);
|
mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, length));
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_byte (mb, CEE_LDIND_I4);
|
branch_positions [i] = mono_mb_emit_branch (mb, CEE_BGE_UN);
|
/* ind = ind * bounds [i].length + realidx */
|
mono_mb_emit_ldloc (mb, ind);
|
mono_mb_emit_ldloc (mb, bounds);
|
mono_mb_emit_icon (mb, (i * sizeof (MonoArrayBounds)) + MONO_STRUCT_OFFSET (MonoArrayBounds, length));
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_byte (mb, CEE_LDIND_I4);
|
mono_mb_emit_byte (mb, CEE_MUL);
|
mono_mb_emit_ldloc (mb, realidx);
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_stloc (mb, ind);
|
}
|
|
/* return array->vector + ind * element_size */
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_ldflda (mb, MONO_STRUCT_OFFSET (MonoArray, vector));
|
mono_mb_emit_ldloc (mb, ind);
|
if (elem_size) {
|
mono_mb_emit_icon (mb, elem_size);
|
} else {
|
/* Load arr->vtable->klass->sizes.element_class */
|
mono_mb_emit_ldarg (mb, 0);
|
mono_mb_emit_byte (mb, CEE_CONV_I);
|
mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoObject, vtable));
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoVTable, klass));
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_byte (mb, CEE_LDIND_I);
|
/* sizes is an union, so this reads sizes.element_size */
|
mono_mb_emit_icon (mb, MONO_STRUCT_OFFSET (MonoClass, sizes));
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_byte (mb, CEE_LDIND_I4);
|
}
|
mono_mb_emit_byte (mb, CEE_MUL);
|
mono_mb_emit_byte (mb, CEE_ADD);
|
mono_mb_emit_byte (mb, CEE_RET);
|
|
/* patch the branches to get here and throw */
|
for (i = 1; i < rank; ++i) {
|
mono_mb_patch_branch (mb, branch_positions [i]);
|
}
|
mono_mb_patch_branch (mb, branch_pos);
|
/* throw exception */
|
mono_mb_emit_exception (mb, "IndexOutOfRangeException", NULL);
|
|
g_free (branch_positions);
|
#endif /* ENABLE_ILGEN */
|
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ELEMENT_ADDR);
|
info->d.element_addr.rank = rank;
|
info->d.element_addr.elem_size = elem_size;
|
ret = mono_mb_create (mb, sig, 4, info);
|
mono_mb_free (mb);
|
|
/* cache the result */
|
cached = 0;
|
mono_marshal_lock ();
|
for (i = 0; i < elem_addr_cache_next; ++i) {
|
if (elem_addr_cache [i].rank == rank && elem_addr_cache [i].elem_size == elem_size) {
|
/* FIXME: free ret */
|
ret = elem_addr_cache [i].method;
|
cached = TRUE;
|
break;
|
}
|
}
|
if (!cached) {
|
if (elem_addr_cache_next >= elem_addr_cache_size) {
|
int new_size = elem_addr_cache_size + 4;
|
ArrayElemAddr *new_array = g_new0 (ArrayElemAddr, new_size);
|
memcpy (new_array, elem_addr_cache, elem_addr_cache_size * sizeof (ArrayElemAddr));
|
g_free (elem_addr_cache);
|
elem_addr_cache = new_array;
|
elem_addr_cache_size = new_size;
|
}
|
elem_addr_cache [elem_addr_cache_next].rank = rank;
|
elem_addr_cache [elem_addr_cache_next].elem_size = elem_size;
|
elem_addr_cache [elem_addr_cache_next].method = ret;
|
elem_addr_cache_next ++;
|
}
|
mono_marshal_unlock ();
|
return ret;
|
}
|
|
/*
|
* mono_marshal_get_array_accessor_wrapper:
|
*
|
* Return a wrapper which just calls METHOD, which should be an Array Get/Set/Address method.
|
*/
|
MonoMethod *
|
mono_marshal_get_array_accessor_wrapper (MonoMethod *method)
|
{
|
MonoMethodSignature *sig;
|
MonoMethodBuilder *mb;
|
MonoMethod *res;
|
GHashTable *cache;
|
int i;
|
MonoGenericContext *ctx = NULL;
|
MonoMethod *orig_method = NULL;
|
MonoGenericContainer *container = NULL;
|
WrapperInfo *info;
|
|
/*
|
* These wrappers are needed to avoid the JIT replacing the calls to these methods with intrinsics
|
* inside runtime invoke wrappers, thereby making the wrappers not unshareable.
|
* FIXME: Use generic methods.
|
*/
|
/*
|
* Check cache
|
*/
|
if (ctx) {
|
cache = NULL;
|
g_assert_not_reached ();
|
} else {
|
cache = get_cache (&method->klass->image->array_accessor_cache, mono_aligned_addr_hash, NULL);
|
if ((res = mono_marshal_find_in_cache (cache, method)))
|
return res;
|
}
|
|
sig = mono_metadata_signature_dup_full (method->klass->image, mono_method_signature (method));
|
sig->pinvoke = 0;
|
|
mb = mono_mb_new (method->klass, method->name, MONO_WRAPPER_UNKNOWN);
|
|
#ifdef ENABLE_ILGEN
|
/* Call the method */
|
if (sig->hasthis)
|
mono_mb_emit_ldarg (mb, 0);
|
for (i = 0; i < sig->param_count; i++)
|
mono_mb_emit_ldarg (mb, i + (sig->hasthis == TRUE));
|
|
if (ctx) {
|
MonoError error;
|
mono_mb_emit_managed_call (mb, mono_class_inflate_generic_method_checked (method, &container->context, &error), NULL);
|
g_assert (mono_error_ok (&error)); /* FIXME don't swallow the error */
|
} else {
|
mono_mb_emit_managed_call (mb, method, NULL);
|
}
|
mono_mb_emit_byte (mb, CEE_RET);
|
#endif
|
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_ARRAY_ACCESSOR);
|
info->d.array_accessor.method = method;
|
|
if (ctx) {
|
MonoMethod *def;
|
def = mono_mb_create_and_cache_full (cache, method, mb, sig, sig->param_count + 16, info, NULL);
|
res = cache_generic_wrapper (cache, orig_method, def, ctx, orig_method);
|
} else {
|
res = mono_mb_create_and_cache_full (cache, method,
|
mb, sig, sig->param_count + 16,
|
info, NULL);
|
}
|
mono_mb_free (mb);
|
|
return res;
|
}
|
|
#ifndef HOST_WIN32
|
static inline void*
|
mono_marshal_alloc_co_task_mem (size_t size)
|
{
|
if ((gulong)size == 0)
|
/* This returns a valid pointer for size 0 on MS.NET */
|
size = 4;
|
|
return g_try_malloc ((gulong)size);
|
}
|
#endif
|
|
/**
|
* mono_marshal_alloc:
|
*/
|
void*
|
mono_marshal_alloc (gsize size, MonoError *error)
|
{
|
gpointer res;
|
|
error_init (error);
|
|
res = mono_marshal_alloc_co_task_mem (size);
|
if (!res)
|
mono_error_set_out_of_memory (error, "Could not allocate %lu bytes", size);
|
|
return res;
|
}
|
|
/* This is a JIT icall, it sets the pending exception and returns NULL on error. */
|
static void*
|
ves_icall_marshal_alloc (gsize size)
|
{
|
MonoError error;
|
void *ret = mono_marshal_alloc (size, &error);
|
if (!mono_error_ok (&error)) {
|
mono_error_set_pending_exception (&error);
|
return NULL;
|
}
|
|
return ret;
|
}
|
|
#ifndef HOST_WIN32
|
static inline void
|
mono_marshal_free_co_task_mem (void *ptr)
|
{
|
g_free (ptr);
|
return;
|
}
|
#endif
|
|
/**
|
* mono_marshal_free:
|
*/
|
void
|
mono_marshal_free (gpointer ptr)
|
{
|
mono_marshal_free_co_task_mem (ptr);
|
}
|
|
/**
|
* mono_marshal_free_array:
|
*/
|
void
|
mono_marshal_free_array (gpointer *ptr, int size)
|
{
|
int i;
|
|
if (!ptr)
|
return;
|
|
for (i = 0; i < size; i++)
|
if (ptr [i])
|
g_free (ptr [i]);
|
}
|
|
void *
|
mono_marshal_string_to_utf16 (MonoString *s)
|
{
|
return s ? mono_string_chars (s) : NULL;
|
}
|
|
/* This is a JIT icall, it sets the pending exception and returns NULL on error. */
|
static void *
|
mono_marshal_string_to_utf16_copy (MonoString *s)
|
{
|
if (s == NULL) {
|
return NULL;
|
} else {
|
MonoError error;
|
gunichar2 *res = (gunichar2 *)mono_marshal_alloc ((mono_string_length (s) * 2) + 2, &error);
|
if (!mono_error_ok (&error)) {
|
mono_error_set_pending_exception (&error);
|
return NULL;
|
}
|
memcpy (res, mono_string_chars (s), mono_string_length (s) * 2);
|
res [mono_string_length (s)] = 0;
|
return res;
|
}
|
}
|
|
/**
|
* mono_marshal_set_last_error:
|
*
|
* This function is invoked to set the last error value from a P/Invoke call
|
* which has \c SetLastError set.
|
*/
|
void
|
mono_marshal_set_last_error (void)
|
{
|
/* This icall is called just after a P/Invoke call before the P/Invoke
|
* wrapper transitions the runtime back to running mode. */
|
MONO_REQ_GC_SAFE_MODE;
|
#ifdef WIN32
|
mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (GetLastError ()));
|
#else
|
mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (errno));
|
#endif
|
}
|
|
static void
|
mono_marshal_set_last_error_windows (int error)
|
{
|
#ifdef WIN32
|
/* This icall is called just after a P/Invoke call before the P/Invoke
|
* wrapper transitions the runtime back to running mode. */
|
MONO_REQ_GC_SAFE_MODE;
|
mono_native_tls_set_value (last_error_tls_id, GINT_TO_POINTER (error));
|
#endif
|
}
|
|
void
|
ves_icall_System_Runtime_InteropServices_Marshal_copy_to_unmanaged (MonoArray *src, gint32 start_index,
|
gpointer dest, gint32 length)
|
{
|
int element_size;
|
void *source_addr;
|
|
MONO_CHECK_ARG_NULL (src,);
|
MONO_CHECK_ARG_NULL (dest,);
|
|
if (src->obj.vtable->klass->rank != 1) {
|
mono_set_pending_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
|
return;
|
}
|
if (start_index < 0) {
|
mono_set_pending_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
|
return;
|
}
|
if (length < 0) {
|
mono_set_pending_exception (mono_get_exception_argument ("length", "Must be >= 0"));
|
return;
|
}
|
if (start_index + length > mono_array_length (src)) {
|
mono_set_pending_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
|
return;
|
}
|
|
element_size = mono_array_element_size (src->obj.vtable->klass);
|
|
/* no references should be involved */
|
source_addr = mono_array_addr_with_size_fast (src, element_size, start_index);
|
|
memcpy (dest, source_addr, length * element_size);
|
}
|
|
void
|
ves_icall_System_Runtime_InteropServices_Marshal_copy_from_unmanaged (gpointer src, gint32 start_index,
|
MonoArray *dest, gint32 length)
|
{
|
int element_size;
|
void *dest_addr;
|
|
MONO_CHECK_ARG_NULL (src,);
|
MONO_CHECK_ARG_NULL (dest,);
|
|
if (dest->obj.vtable->klass->rank != 1) {
|
mono_set_pending_exception (mono_get_exception_argument ("array", "array is multi-dimensional"));
|
return;
|
}
|
if (start_index < 0) {
|
mono_set_pending_exception (mono_get_exception_argument ("startIndex", "Must be >= 0"));
|
return;
|
}
|
if (length < 0) {
|
mono_set_pending_exception (mono_get_exception_argument ("length", "Must be >= 0"));
|
return;
|
}
|
if (start_index + length > mono_array_length (dest)) {
|
mono_set_pending_exception (mono_get_exception_argument ("length", "start_index + length > array length"));
|
return;
|
}
|
element_size = mono_array_element_size (dest->obj.vtable->klass);
|
|
/* no references should be involved */
|
dest_addr = mono_array_addr_with_size_fast (dest, element_size, start_index);
|
|
memcpy (dest_addr, src, length * element_size);
|
}
|
|
MonoStringHandle
|
ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi (char *ptr, MonoError *error)
|
{
|
error_init (error);
|
if (ptr == NULL)
|
return MONO_HANDLE_CAST (MonoString, NULL_HANDLE);
|
else
|
return mono_string_new_handle (mono_domain_get (), ptr, error);
|
}
|
|
MonoString *
|
ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringAnsi_len (char *ptr, gint32 len)
|
{
|
MonoError error;
|
MonoString *result = NULL;
|
error_init (&error);
|
if (ptr == NULL)
|
mono_error_set_argument_null (&error, "ptr", "");
|
else
|
result = mono_string_new_len_checked (mono_domain_get (), ptr, len, &error);
|
mono_error_set_pending_exception (&error);
|
return result;
|
}
|
|
MonoString *
|
ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni (guint16 *ptr)
|
{
|
MonoError error;
|
MonoString *res = NULL;
|
MonoDomain *domain = mono_domain_get ();
|
int len = 0;
|
guint16 *t = ptr;
|
|
if (ptr == NULL)
|
return NULL;
|
|
while (*t++)
|
len++;
|
|
res = mono_string_new_utf16_checked (domain, ptr, len, &error);
|
if (!mono_error_ok (&error)) {
|
mono_error_set_pending_exception (&error);
|
return NULL;
|
}
|
return res;
|
}
|
|
MonoString *
|
ves_icall_System_Runtime_InteropServices_Marshal_PtrToStringUni_len (guint16 *ptr, gint32 len)
|
{
|
MonoError error;
|
MonoString *res = NULL;
|
MonoDomain *domain = mono_domain_get ();
|
|
error_init (&error);
|
|
if (ptr == NULL) {
|
res = NULL;
|
mono_error_set_argument_null (&error, "ptr", "");
|
} else {
|
res = mono_string_new_utf16_checked (domain, ptr, len, &error);
|
}
|
|
if (!mono_error_ok (&error))
|
mono_error_set_pending_exception (&error);
|
return res;
|
}
|
|
guint32
|
ves_icall_System_Runtime_InteropServices_Marshal_GetLastWin32Error (void)
|
{
|
return (GPOINTER_TO_INT (mono_native_tls_get_value (last_error_tls_id)));
|
}
|
|
guint32
|
ves_icall_System_Runtime_InteropServices_Marshal_SizeOf (MonoReflectionTypeHandle rtype, MonoError *error)
|
{
|
MonoClass *klass;
|
MonoType *type;
|
guint32 layout;
|
|
error_init (error);
|
|
if (MONO_HANDLE_IS_NULL (rtype)) {
|
mono_error_set_argument_null (error, "type", "");
|
return 0;
|
}
|
|
type = MONO_HANDLE_GETVAL (rtype, type);
|
klass = mono_class_from_mono_type (type);
|
if (!mono_class_init (klass)) {
|
mono_error_set_for_class_failure (error, klass);
|
return 0;
|
}
|
|
layout = (mono_class_get_flags (klass) & TYPE_ATTRIBUTE_LAYOUT_MASK);
|
|
if (type->type == MONO_TYPE_PTR || type->type == MONO_TYPE_FNPTR) {
|
return sizeof (gpointer);
|
} else if (layout == TYPE_ATTRIBUTE_AUTO_LAYOUT) {
|
mono_error_set_argument (error, "t", "Type %s cannot be marshaled as an unmanaged structure.", klass->name);
|
return 0;
|
}
|
|
return mono_class_native_size (klass, NULL);
|
}
|
|
void
|
ves_icall_System_Runtime_InteropServices_Marshal_StructureToPtr (MonoObject *obj, gpointer dst, MonoBoolean delete_old)
|
{
|
MonoError error;
|
MonoMethod *method;
|
gpointer pa [3];
|
|
MONO_CHECK_ARG_NULL (obj,);
|
MONO_CHECK_ARG_NULL (dst,);
|
|
method = mono_marshal_get_struct_to_ptr (obj->vtable->klass);
|
|
pa [0] = obj;
|
pa [1] = &dst;
|
pa [2] = &delete_old;
|
|
mono_runtime_invoke_checked (method, NULL, pa, &error);
|
if (!mono_error_ok (&error))
|
mono_error_set_pending_exception (&error);
|
}
|
|
static void
|
ptr_to_structure (gpointer src, MonoObject *dst, MonoError *error)
|
{
|
MonoMethod *method;
|
gpointer pa [2];
|
|
error_init (error);
|
|
method = mono_marshal_get_ptr_to_struct (dst->vtable->klass);
|
|
pa [0] = &src;
|
pa [1] = dst;
|
|
mono_runtime_invoke_checked (method, NULL, pa, error);
|
}
|
|
void
|
ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure (gpointer src, MonoObject *dst)
|
{
|
MonoType *t;
|
MonoError error;
|
|
MONO_CHECK_ARG_NULL (src,);
|
MONO_CHECK_ARG_NULL (dst,);
|
|
t = mono_type_get_underlying_type (mono_class_get_type (dst->vtable->klass));
|
|
if (t->type == MONO_TYPE_VALUETYPE) {
|
MonoException *exc;
|
gchar *tmp;
|
|
tmp = g_strdup_printf ("Destination is a boxed value type.");
|
exc = mono_get_exception_argument ("dst", tmp);
|
g_free (tmp);
|
|
mono_set_pending_exception (exc);
|
return;
|
}
|
|
ptr_to_structure (src, dst, &error);
|
if (!mono_error_ok (&error))
|
mono_error_set_pending_exception (&error);
|
}
|
|
MonoObject *
|
ves_icall_System_Runtime_InteropServices_Marshal_PtrToStructure_type (gpointer src, MonoReflectionType *type)
|
{
|
MonoError error;
|
MonoClass *klass;
|
MonoDomain *domain = mono_domain_get ();
|
MonoObject *res;
|
|
if (src == NULL)
|
return NULL;
|
MONO_CHECK_ARG_NULL (type, NULL);
|
|
klass = mono_class_from_mono_type (type->type);
|
if (!mono_class_init (klass)) {
|
mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
|
return NULL;
|
}
|
|
res = mono_object_new_checked (domain, klass, &error);
|
if (!mono_error_ok (&error)) {
|
mono_error_set_pending_exception (&error);
|
return NULL;
|
}
|
|
ptr_to_structure (src, res, &error);
|
if (!mono_error_ok (&error)) {
|
mono_error_set_pending_exception (&error);
|
return NULL;
|
}
|
|
return res;
|
}
|
|
int
|
ves_icall_System_Runtime_InteropServices_Marshal_OffsetOf (MonoReflectionTypeHandle ref_type, MonoStringHandle field_name, MonoError *error)
|
{
|
error_init (error);
|
if (MONO_HANDLE_IS_NULL (ref_type)) {
|
mono_error_set_argument_null (error, "type", "");
|
return 0;
|
}
|
if (MONO_HANDLE_IS_NULL (field_name)) {
|
mono_error_set_argument_null (error, "fieldName", "");
|
return 0;
|
}
|
|
char *fname = mono_string_handle_to_utf8 (field_name, error);
|
return_val_if_nok (error, 0);
|
|
MonoType *type = MONO_HANDLE_GETVAL (ref_type, type);
|
MonoClass *klass = mono_class_from_mono_type (type);
|
if (!mono_class_init (klass)) {
|
mono_error_set_for_class_failure (error, klass);
|
return 0;
|
}
|
|
int match_index = -1;
|
while (klass && match_index == -1) {
|
MonoClassField* field;
|
int i = 0;
|
gpointer iter = NULL;
|
while ((field = mono_class_get_fields (klass, &iter))) {
|
if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
|
continue;
|
if (!strcmp (fname, mono_field_get_name (field))) {
|
match_index = i;
|
break;
|
}
|
i ++;
|
}
|
|
if (match_index == -1)
|
klass = klass->parent;
|
}
|
|
g_free (fname);
|
|
if(match_index == -1) {
|
/* Get back original class instance */
|
klass = mono_class_from_mono_type (type);
|
|
mono_error_set_argument (error, "fieldName", "Field passed in is not a marshaled member of the type %s", klass->name);
|
return 0;
|
}
|
|
MonoMarshalType *info = mono_marshal_load_type_info (klass);
|
return info->fields [match_index].offset;
|
}
|
|
#ifndef HOST_WIN32
|
gpointer
|
ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalAnsi (MonoString *string)
|
{
|
MonoError error;
|
char *ret = mono_string_to_utf8_checked (string, &error);
|
mono_error_set_pending_exception (&error);
|
return ret;
|
}
|
|
gpointer
|
ves_icall_System_Runtime_InteropServices_Marshal_StringToHGlobalUni (MonoString *string)
|
{
|
if (string == NULL)
|
return NULL;
|
else {
|
gunichar2 *res = (gunichar2 *)g_malloc ((mono_string_length (string) + 1) * 2);
|
|
memcpy (res, mono_string_chars (string), mono_string_length (string) * 2);
|
res [mono_string_length (string)] = 0;
|
return res;
|
}
|
}
|
#endif /* !HOST_WIN32 */
|
|
static void
|
mono_struct_delete_old (MonoClass *klass, char *ptr)
|
{
|
MonoMarshalType *info;
|
int i;
|
|
info = mono_marshal_load_type_info (klass);
|
|
for (i = 0; i < info->num_fields; i++) {
|
MonoMarshalConv conv;
|
MonoType *ftype = info->fields [i].field->type;
|
char *cpos;
|
|
if (ftype->attrs & FIELD_ATTRIBUTE_STATIC)
|
continue;
|
|
mono_type_to_unmanaged (ftype, info->fields [i].mspec, TRUE,
|
klass->unicode, &conv);
|
|
cpos = ptr + info->fields [i].offset;
|
|
switch (conv) {
|
case MONO_MARSHAL_CONV_NONE:
|
if (MONO_TYPE_ISSTRUCT (ftype)) {
|
mono_struct_delete_old (ftype->data.klass, cpos);
|
continue;
|
}
|
break;
|
case MONO_MARSHAL_CONV_STR_LPWSTR:
|
/* We assume this field points inside a MonoString */
|
break;
|
case MONO_MARSHAL_CONV_STR_LPTSTR:
|
#ifdef TARGET_WIN32
|
/* We assume this field points inside a MonoString
|
* on Win32 */
|
break;
|
#endif
|
case MONO_MARSHAL_CONV_STR_LPSTR:
|
case MONO_MARSHAL_CONV_STR_BSTR:
|
case MONO_MARSHAL_CONV_STR_ANSIBSTR:
|
case MONO_MARSHAL_CONV_STR_TBSTR:
|
case MONO_MARSHAL_CONV_STR_UTF8STR:
|
mono_marshal_free (*(gpointer *)cpos);
|
break;
|
|
default:
|
continue;
|
}
|
}
|
}
|
|
void
|
ves_icall_System_Runtime_InteropServices_Marshal_DestroyStructure (gpointer src, MonoReflectionType *type)
|
{
|
MonoClass *klass;
|
|
MONO_CHECK_ARG_NULL (src,);
|
MONO_CHECK_ARG_NULL (type,);
|
|
klass = mono_class_from_mono_type (type->type);
|
if (!mono_class_init (klass)) {
|
mono_set_pending_exception (mono_class_get_exception_for_failure (klass));
|
return;
|
}
|
|
mono_struct_delete_old (klass, (char *)src);
|
}
|
|
#ifndef HOST_WIN32
|
static inline void *
|
mono_marshal_alloc_hglobal (size_t size)
|
{
|
return g_try_malloc (size);
|
}
|
#endif
|
|
void*
|
ves_icall_System_Runtime_InteropServices_Marshal_AllocHGlobal (gpointer size)
|
{
|
gpointer res;
|
size_t s = (size_t)size;
|
|
if (s == 0)
|
/* This returns a valid pointer for size 0 on MS.NET */
|
s = 4;
|
|
res = mono_marshal_alloc_hglobal (s);
|
|
if (!res) {
|
mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
|
return NULL;
|
}
|
|
return res;
|
}
|
|
#ifndef HOST_WIN32
|
static inline gpointer
|
mono_marshal_realloc_hglobal (gpointer ptr, size_t size)
|
{
|
return g_try_realloc (ptr, size);
|
}
|
#endif
|
|
gpointer
|
ves_icall_System_Runtime_InteropServices_Marshal_ReAllocHGlobal (gpointer ptr, gpointer size)
|
{
|
gpointer res;
|
size_t s = (size_t)size;
|
|
if (ptr == NULL) {
|
mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
|
return NULL;
|
}
|
|
res = mono_marshal_realloc_hglobal (ptr, s);
|
|
if (!res) {
|
mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
|
return NULL;
|
}
|
|
return res;
|
}
|
|
#ifndef HOST_WIN32
|
static inline void
|
mono_marshal_free_hglobal (gpointer ptr)
|
{
|
g_free (ptr);
|
return;
|
}
|
#endif
|
|
void
|
ves_icall_System_Runtime_InteropServices_Marshal_FreeHGlobal (void *ptr)
|
{
|
mono_marshal_free_hglobal (ptr);
|
}
|
|
void*
|
ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMem (int size)
|
{
|
void *res = mono_marshal_alloc_co_task_mem (size);
|
|
if (!res) {
|
mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
|
return NULL;
|
}
|
return res;
|
}
|
|
void*
|
ves_icall_System_Runtime_InteropServices_Marshal_AllocCoTaskMemSize (gulong size)
|
{
|
void *res = mono_marshal_alloc_co_task_mem (size);
|
|
if (!res) {
|
mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
|
return NULL;
|
}
|
return res;
|
}
|
|
void
|
ves_icall_System_Runtime_InteropServices_Marshal_FreeCoTaskMem (void *ptr)
|
{
|
mono_marshal_free_co_task_mem (ptr);
|
return;
|
}
|
|
#ifndef HOST_WIN32
|
static inline gpointer
|
mono_marshal_realloc_co_task_mem (gpointer ptr, size_t size)
|
{
|
return g_try_realloc (ptr, (gulong)size);
|
}
|
#endif
|
|
gpointer
|
ves_icall_System_Runtime_InteropServices_Marshal_ReAllocCoTaskMem (gpointer ptr, int size)
|
{
|
void *res = mono_marshal_realloc_co_task_mem (ptr, size);
|
|
if (!res) {
|
mono_set_pending_exception (mono_domain_get ()->out_of_memory_ex);
|
return NULL;
|
}
|
return res;
|
}
|
|
void*
|
ves_icall_System_Runtime_InteropServices_Marshal_UnsafeAddrOfPinnedArrayElement (MonoArray *arrayobj, int index)
|
{
|
return mono_array_addr_with_size_fast (arrayobj, mono_array_element_size (arrayobj->obj.vtable->klass), index);
|
}
|
|
MonoDelegateHandle
|
ves_icall_System_Runtime_InteropServices_Marshal_GetDelegateForFunctionPointerInternal (void *ftn, MonoReflectionTypeHandle type, MonoError *error)
|
{
|
error_init (error);
|
MonoClass *klass = mono_type_get_class (MONO_HANDLE_GETVAL (type, type));
|
if (!mono_class_init (klass)) {
|
mono_error_set_for_class_failure (error, klass);
|
return NULL;
|
}
|
|
return mono_ftnptr_to_delegate_handle (klass, ftn, error);
|
}
|
|
gpointer
|
ves_icall_System_Runtime_InteropServices_Marshal_GetFunctionPointerForDelegateInternal (MonoDelegateHandle delegate, MonoError *error)
|
{
|
error_init (error);
|
return mono_delegate_handle_to_ftnptr (delegate, error);
|
}
|
|
/**
|
* mono_marshal_is_loading_type_info:
|
*
|
* Return whenever mono_marshal_load_type_info () is being executed for KLASS by this
|
* thread.
|
*/
|
static gboolean
|
mono_marshal_is_loading_type_info (MonoClass *klass)
|
{
|
GSList *loads_list = (GSList *)mono_native_tls_get_value (load_type_info_tls_id);
|
|
return g_slist_find (loads_list, klass) != NULL;
|
}
|
|
/**
|
* mono_marshal_load_type_info:
|
*
|
* Initialize \c klass::marshal_info using information from metadata. This function can
|
* recursively call itself, and the caller is responsible to avoid that by calling
|
* \c mono_marshal_is_loading_type_info beforehand.
|
*
|
* LOCKING: Acquires the loader lock.
|
*/
|
MonoMarshalType *
|
mono_marshal_load_type_info (MonoClass* klass)
|
{
|
int j, count = 0;
|
guint32 native_size = 0, min_align = 1, packing;
|
MonoMarshalType *info;
|
MonoClassField* field;
|
gpointer iter;
|
guint32 layout;
|
GSList *loads_list;
|
|
g_assert (klass != NULL);
|
|
info = mono_class_get_marshal_info (klass);
|
if (info)
|
return info;
|
|
if (!klass->inited)
|
mono_class_init (klass);
|
|
info = mono_class_get_marshal_info (klass);
|
if (info)
|
return info;
|
|
/*
|
* This function can recursively call itself, so we keep the list of classes which are
|
* under initialization in a TLS list.
|
*/
|
g_assert (!mono_marshal_is_loading_type_info (klass));
|
loads_list = (GSList *)mono_native_tls_get_value (load_type_info_tls_id);
|
loads_list = g_slist_prepend (loads_list, klass);
|
mono_native_tls_set_value (load_type_info_tls_id, loads_list);
|
|
iter = NULL;
|
while ((field = mono_class_get_fields (klass, &iter))) {
|
if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
|
continue;
|
if (mono_field_is_deleted (field))
|
continue;
|
count++;
|
}
|
|
layout = mono_class_get_flags (klass) & TYPE_ATTRIBUTE_LAYOUT_MASK;
|
|
info = (MonoMarshalType *)mono_image_alloc0 (klass->image, MONO_SIZEOF_MARSHAL_TYPE + sizeof (MonoMarshalField) * count);
|
info->num_fields = count;
|
|
/* Try to find a size for this type in metadata */
|
mono_metadata_packing_from_typedef (klass->image, klass->type_token, NULL, &native_size);
|
|
if (klass->parent) {
|
int parent_size = mono_class_native_size (klass->parent, NULL);
|
|
/* Add parent size to real size */
|
native_size += parent_size;
|
info->native_size = parent_size;
|
}
|
|
packing = klass->packing_size ? klass->packing_size : 8;
|
iter = NULL;
|
j = 0;
|
while ((field = mono_class_get_fields (klass, &iter))) {
|
int size;
|
guint32 align;
|
|
if (field->type->attrs & FIELD_ATTRIBUTE_STATIC)
|
continue;
|
|
if (mono_field_is_deleted (field))
|
continue;
|
if (field->type->attrs & FIELD_ATTRIBUTE_HAS_FIELD_MARSHAL)
|
mono_metadata_field_info_with_mempool (klass->image, mono_metadata_token_index (mono_class_get_field_token (field)) - 1,
|
NULL, NULL, &info->fields [j].mspec);
|
|
info->fields [j].field = field;
|
|
if ((mono_class_num_fields (klass) == 1) && (klass->instance_size == sizeof (MonoObject)) &&
|
(strcmp (mono_field_get_name (field), "$PRIVATE$") == 0)) {
|
/* This field is a hack inserted by MCS to empty structures */
|
continue;
|
}
|
|
switch (layout) {
|
case TYPE_ATTRIBUTE_AUTO_LAYOUT:
|
case TYPE_ATTRIBUTE_SEQUENTIAL_LAYOUT:
|
size = mono_marshal_type_size (field->type, info->fields [j].mspec,
|
&align, TRUE, klass->unicode);
|
align = klass->packing_size ? MIN (klass->packing_size, align): align;
|
min_align = MAX (align, min_align);
|
info->fields [j].offset = info->native_size;
|
info->fields [j].offset += align - 1;
|
info->fields [j].offset &= ~(align - 1);
|
info->native_size = info->fields [j].offset + size;
|
break;
|
case TYPE_ATTRIBUTE_EXPLICIT_LAYOUT:
|
size = mono_marshal_type_size (field->type, info->fields [j].mspec,
|
&align, TRUE, klass->unicode);
|
min_align = MAX (align, min_align);
|
info->fields [j].offset = field->offset - sizeof (MonoObject);
|
info->native_size = MAX (info->native_size, info->fields [j].offset + size);
|
break;
|
}
|
j++;
|
}
|
|
if (klass->byval_arg.type == MONO_TYPE_PTR)
|
info->native_size = sizeof (gpointer);
|
|
if (layout != TYPE_ATTRIBUTE_AUTO_LAYOUT) {
|
info->native_size = MAX (native_size, info->native_size);
|
/*
|
* If the provided Size is equal or larger than the calculated size, and there
|
* was no Pack attribute, we set min_align to 1 to avoid native_size being increased
|
*/
|
if (layout == TYPE_ATTRIBUTE_EXPLICIT_LAYOUT) {
|
if (native_size && native_size == info->native_size && klass->packing_size == 0)
|
min_align = 1;
|
else
|
min_align = MIN (min_align, packing);
|
}
|
}
|
|
if (info->native_size & (min_align - 1)) {
|
info->native_size += min_align - 1;
|
info->native_size &= ~(min_align - 1);
|
}
|
|
info->min_align = min_align;
|
|
/* Update the class's blittable info, if the layouts don't match */
|
if (info->native_size != mono_class_value_size (klass, NULL)) {
|
mono_loader_lock ();
|
klass->blittable = FALSE;
|
mono_loader_unlock ();
|
}
|
|
/* If this is an array type, ensure that we have element info */
|
if (klass->rank && !mono_marshal_is_loading_type_info (klass->element_class)) {
|
mono_marshal_load_type_info (klass->element_class);
|
}
|
|
loads_list = (GSList *)mono_native_tls_get_value (load_type_info_tls_id);
|
loads_list = g_slist_remove (loads_list, klass);
|
mono_native_tls_set_value (load_type_info_tls_id, loads_list);
|
|
mono_marshal_lock ();
|
MonoMarshalType *info2 = mono_class_get_marshal_info (klass);
|
if (!info2) {
|
/*We do double-checking locking on marshal_info */
|
mono_memory_barrier ();
|
mono_class_set_marshal_info (klass, info);
|
++class_marshal_info_count;
|
info2 = info;
|
}
|
mono_marshal_unlock ();
|
|
return info2;
|
}
|
|
/**
|
* mono_class_native_size:
|
* \param klass a class
|
* \returns the native size of an object instance (when marshaled
|
* to unmanaged code)
|
*/
|
gint32
|
mono_class_native_size (MonoClass *klass, guint32 *align)
|
{
|
MonoMarshalType *info = mono_class_get_marshal_info (klass);
|
if (!info) {
|
if (mono_marshal_is_loading_type_info (klass)) {
|
if (align)
|
*align = 0;
|
return 0;
|
} else {
|
mono_marshal_load_type_info (klass);
|
}
|
info = mono_class_get_marshal_info (klass);
|
}
|
|
if (align)
|
*align = info->min_align;
|
|
return info->native_size;
|
}
|
|
/*
|
* mono_type_native_stack_size:
|
* @t: the type to return the size it uses on the stack
|
*
|
* Returns: the number of bytes required to hold an instance of this
|
* type on the native stack
|
*/
|
int
|
mono_type_native_stack_size (MonoType *t, guint32 *align)
|
{
|
guint32 tmp;
|
|
g_assert (t != NULL);
|
|
if (!align)
|
align = &tmp;
|
|
if (t->byref) {
|
*align = sizeof (gpointer);
|
return sizeof (gpointer);
|
}
|
|
switch (t->type){
|
case MONO_TYPE_BOOLEAN:
|
case MONO_TYPE_CHAR:
|
case MONO_TYPE_I1:
|
case MONO_TYPE_U1:
|
case MONO_TYPE_I2:
|
case MONO_TYPE_U2:
|
case MONO_TYPE_I4:
|
case MONO_TYPE_U4:
|
*align = 4;
|
return 4;
|
case MONO_TYPE_I:
|
case MONO_TYPE_U:
|
case MONO_TYPE_STRING:
|
case MONO_TYPE_OBJECT:
|
case MONO_TYPE_CLASS:
|
case MONO_TYPE_SZARRAY:
|
case MONO_TYPE_PTR:
|
case MONO_TYPE_FNPTR:
|
case MONO_TYPE_ARRAY:
|
*align = sizeof (gpointer);
|
return sizeof (gpointer);
|
case MONO_TYPE_R4:
|
*align = 4;
|
return 4;
|
case MONO_TYPE_R8:
|
*align = MONO_ABI_ALIGNOF (double);
|
return 8;
|
case MONO_TYPE_I8:
|
case MONO_TYPE_U8:
|
*align = MONO_ABI_ALIGNOF (gint64);
|
return 8;
|
case MONO_TYPE_GENERICINST:
|
if (!mono_type_generic_inst_is_valuetype (t)) {
|
*align = sizeof (gpointer);
|
return sizeof (gpointer);
|
}
|
/* Fall through */
|
case MONO_TYPE_TYPEDBYREF:
|
case MONO_TYPE_VALUETYPE: {
|
guint32 size;
|
MonoClass *klass = mono_class_from_mono_type (t);
|
|
if (klass->enumtype)
|
return mono_type_native_stack_size (mono_class_enum_basetype (klass), align);
|
else {
|
size = mono_class_native_size (klass, align);
|
*align = *align + 3;
|
*align &= ~3;
|
|
size += 3;
|
size &= ~3;
|
|
return size;
|
}
|
}
|
default:
|
g_error ("type 0x%02x unknown", t->type);
|
}
|
return 0;
|
}
|
|
/**
|
* mono_marshal_type_size:
|
*/
|
gint32
|
mono_marshal_type_size (MonoType *type, MonoMarshalSpec *mspec, guint32 *align,
|
gboolean as_field, gboolean unicode)
|
{
|
MonoMarshalNative native_type = mono_type_to_unmanaged (type, mspec, as_field, unicode, NULL);
|
MonoClass *klass;
|
|
switch (native_type) {
|
case MONO_NATIVE_BOOLEAN:
|
*align = 4;
|
return 4;
|
case MONO_NATIVE_I1:
|
case MONO_NATIVE_U1:
|
*align = 1;
|
return 1;
|
case MONO_NATIVE_I2:
|
case MONO_NATIVE_U2:
|
case MONO_NATIVE_VARIANTBOOL:
|
*align = 2;
|
return 2;
|
case MONO_NATIVE_I4:
|
case MONO_NATIVE_U4:
|
case MONO_NATIVE_ERROR:
|
*align = 4;
|
return 4;
|
case MONO_NATIVE_I8:
|
case MONO_NATIVE_U8:
|
*align = MONO_ABI_ALIGNOF (gint64);
|
return 8;
|
case MONO_NATIVE_R4:
|
*align = 4;
|
return 4;
|
case MONO_NATIVE_R8:
|
*align = MONO_ABI_ALIGNOF (double);
|
return 8;
|
case MONO_NATIVE_INT:
|
case MONO_NATIVE_UINT:
|
case MONO_NATIVE_LPSTR:
|
case MONO_NATIVE_LPWSTR:
|
case MONO_NATIVE_LPTSTR:
|
case MONO_NATIVE_BSTR:
|
case MONO_NATIVE_ANSIBSTR:
|
case MONO_NATIVE_TBSTR:
|
case MONO_NATIVE_UTF8STR:
|
case MONO_NATIVE_LPARRAY:
|
case MONO_NATIVE_SAFEARRAY:
|
case MONO_NATIVE_IUNKNOWN:
|
case MONO_NATIVE_IDISPATCH:
|
case MONO_NATIVE_INTERFACE:
|
case MONO_NATIVE_ASANY:
|
case MONO_NATIVE_FUNC:
|
case MONO_NATIVE_LPSTRUCT:
|
*align = MONO_ABI_ALIGNOF (gpointer);
|
return sizeof (gpointer);
|
case MONO_NATIVE_STRUCT:
|
klass = mono_class_from_mono_type (type);
|
if (klass == mono_defaults.object_class &&
|
(mspec && mspec->native == MONO_NATIVE_STRUCT)) {
|
*align = 16;
|
return 16;
|
}
|
return mono_class_native_size (klass, align);
|
case MONO_NATIVE_BYVALTSTR: {
|
int esize = unicode ? 2: 1;
|
g_assert (mspec);
|
*align = esize;
|
return mspec->data.array_data.num_elem * esize;
|
}
|
case MONO_NATIVE_BYVALARRAY: {
|
// FIXME: Have to consider ArraySubType
|
int esize;
|
klass = mono_class_from_mono_type (type);
|
if (klass->element_class == mono_defaults.char_class) {
|
esize = unicode ? 2 : 1;
|
*align = esize;
|
} else {
|
esize = mono_class_native_size (klass->element_class, align);
|
}
|
g_assert (mspec);
|
return mspec->data.array_data.num_elem * esize;
|
}
|
case MONO_NATIVE_CUSTOM:
|
*align = sizeof (gpointer);
|
return sizeof (gpointer);
|
break;
|
case MONO_NATIVE_CURRENCY:
|
case MONO_NATIVE_VBBYREFSTR:
|
default:
|
g_error ("native type %02x not implemented", native_type);
|
break;
|
}
|
g_assert_not_reached ();
|
return 0;
|
}
|
|
/**
|
* mono_marshal_asany:
|
* This is a JIT icall, it sets the pending exception and returns NULL on error.
|
*/
|
gpointer
|
mono_marshal_asany (MonoObject *o, MonoMarshalNative string_encoding, int param_attrs)
|
{
|
MonoError error;
|
MonoType *t;
|
MonoClass *klass;
|
|
if (o == NULL)
|
return NULL;
|
|
t = &o->vtable->klass->byval_arg;
|
switch (t->type) {
|
case MONO_TYPE_I4:
|
case MONO_TYPE_U4:
|
case MONO_TYPE_PTR:
|
case MONO_TYPE_I1:
|
case MONO_TYPE_U1:
|
case MONO_TYPE_BOOLEAN:
|
case MONO_TYPE_I2:
|
case MONO_TYPE_U2:
|
case MONO_TYPE_CHAR:
|
case MONO_TYPE_I8:
|
case MONO_TYPE_U8:
|
case MONO_TYPE_R4:
|
case MONO_TYPE_R8:
|
return mono_object_unbox (o);
|
break;
|
case MONO_TYPE_STRING:
|
switch (string_encoding) {
|
case MONO_NATIVE_LPWSTR:
|
return mono_marshal_string_to_utf16_copy ((MonoString*)o);
|
case MONO_NATIVE_LPSTR:
|
case MONO_NATIVE_UTF8STR:
|
// Same code path, because in Mono, we treated strings as Utf8
|
return mono_string_to_utf8str ((MonoString*)o);
|
default:
|
g_warning ("marshaling conversion %d not implemented", string_encoding);
|
g_assert_not_reached ();
|
}
|
break;
|
case MONO_TYPE_CLASS:
|
case MONO_TYPE_VALUETYPE: {
|
MonoMethod *method;
|
gpointer pa [3];
|
gpointer res;
|
MonoBoolean delete_old = FALSE;
|
|
klass = t->data.klass;
|
|
if (mono_class_is_auto_layout (klass))
|
break;
|
|
if (klass->valuetype && (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype))
|
return mono_object_unbox (o);
|
|
res = mono_marshal_alloc (mono_class_native_size (klass, NULL), &error);
|
if (!mono_error_ok (&error)) {
|
mono_error_set_pending_exception (&error);
|
return NULL;
|
}
|
|
if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
|
method = mono_marshal_get_struct_to_ptr (o->vtable->klass);
|
|
pa [0] = o;
|
pa [1] = &res;
|
pa [2] = &delete_old;
|
|
mono_runtime_invoke_checked (method, NULL, pa, &error);
|
if (!mono_error_ok (&error)) {
|
mono_error_set_pending_exception (&error);
|
return NULL;
|
}
|
}
|
|
return res;
|
}
|
default:
|
break;
|
}
|
mono_set_pending_exception (mono_get_exception_argument ("", "No PInvoke conversion exists for value passed to Object-typed parameter."));
|
return NULL;
|
}
|
|
/**
|
* mono_marshal_free_asany:
|
* This is a JIT icall, it sets the pending exception
|
*/
|
void
|
mono_marshal_free_asany (MonoObject *o, gpointer ptr, MonoMarshalNative string_encoding, int param_attrs)
|
{
|
MonoError error;
|
MonoType *t;
|
MonoClass *klass;
|
|
if (o == NULL)
|
return;
|
|
t = &o->vtable->klass->byval_arg;
|
switch (t->type) {
|
case MONO_TYPE_STRING:
|
switch (string_encoding) {
|
case MONO_NATIVE_LPWSTR:
|
case MONO_NATIVE_LPSTR:
|
case MONO_NATIVE_UTF8STR:
|
mono_marshal_free (ptr);
|
break;
|
default:
|
g_warning ("marshaling conversion %d not implemented", string_encoding);
|
g_assert_not_reached ();
|
}
|
break;
|
case MONO_TYPE_CLASS:
|
case MONO_TYPE_VALUETYPE: {
|
klass = t->data.klass;
|
|
if (klass->valuetype && (mono_class_is_explicit_layout (klass) || klass->blittable || klass->enumtype))
|
break;
|
|
if (param_attrs & PARAM_ATTRIBUTE_OUT) {
|
MonoMethod *method = mono_marshal_get_ptr_to_struct (o->vtable->klass);
|
gpointer pa [2];
|
|
pa [0] = &ptr;
|
pa [1] = o;
|
|
mono_runtime_invoke_checked (method, NULL, pa, &error);
|
if (!mono_error_ok (&error)) {
|
mono_error_set_pending_exception (&error);
|
return;
|
}
|
}
|
|
if (!((param_attrs & PARAM_ATTRIBUTE_OUT) && !(param_attrs & PARAM_ATTRIBUTE_IN))) {
|
mono_struct_delete_old (klass, (char *)ptr);
|
}
|
|
mono_marshal_free (ptr);
|
break;
|
}
|
default:
|
break;
|
}
|
}
|
|
/*
|
* mono_marshal_get_generic_array_helper:
|
*
|
* Return a wrapper which is used to implement the implicit interfaces on arrays.
|
* The wrapper routes calls to METHOD, which is one of the InternalArray_ methods in Array.
|
*/
|
MonoMethod *
|
mono_marshal_get_generic_array_helper (MonoClass *klass, gchar *name, MonoMethod *method)
|
{
|
MonoMethodSignature *sig, *csig;
|
MonoMethodBuilder *mb;
|
MonoMethod *res;
|
WrapperInfo *info;
|
int i;
|
|
mb = mono_mb_new_no_dup_name (klass, name, MONO_WRAPPER_MANAGED_TO_MANAGED);
|
mb->method->slot = -1;
|
|
mb->method->flags = METHOD_ATTRIBUTE_PRIVATE | METHOD_ATTRIBUTE_VIRTUAL |
|
METHOD_ATTRIBUTE_NEW_SLOT | METHOD_ATTRIBUTE_HIDE_BY_SIG | METHOD_ATTRIBUTE_FINAL;
|
|
sig = mono_method_signature (method);
|
csig = mono_metadata_signature_dup_full (method->klass->image, sig);
|
csig->generic_param_count = 0;
|
|
#ifdef ENABLE_ILGEN
|
mono_mb_emit_ldarg (mb, 0);
|
for (i = 0; i < csig->param_count; i++)
|
mono_mb_emit_ldarg (mb, i + 1);
|
mono_mb_emit_managed_call (mb, method, NULL);
|
mono_mb_emit_byte (mb, CEE_RET);
|
|
/* We can corlib internal methods */
|
mb->skip_visibility = TRUE;
|
#endif
|
info = mono_wrapper_info_create (mb, WRAPPER_SUBTYPE_GENERIC_ARRAY_HELPER);
|
info->d.generic_array_helper.method = method;
|
res = mono_mb_create (mb, csig, csig->param_count + 16, info);
|
|
mono_mb_free (mb);
|
|
return res;
|
}
|
|
/*
|
* The mono_win32_compat_* functions are implementations of inline
|
* Windows kernel32 APIs, which are DllImport-able under MS.NET,
|
* although not exported by kernel32.
|
*
|
* We map the appropiate kernel32 entries to these functions using
|
* dllmaps declared in the global etc/mono/config.
|
*/
|
|
void
|
mono_win32_compat_CopyMemory (gpointer dest, gconstpointer source, gsize length)
|
{
|
if (!dest || !source)
|
return;
|
|
memcpy (dest, source, length);
|
}
|
|
void
|
mono_win32_compat_FillMemory (gpointer dest, gsize length, guchar fill)
|
{
|
memset (dest, fill, length);
|
}
|
|
void
|
mono_win32_compat_MoveMemory (gpointer dest, gconstpointer source, gsize length)
|
{
|
if (!dest || !source)
|
return;
|
|
memmove (dest, source, length);
|
}
|
|
void
|
mono_win32_compat_ZeroMemory (gpointer dest, gsize length)
|
{
|
memset (dest, 0, length);
|
}
|
|
void
|
mono_marshal_find_nonzero_bit_offset (guint8 *buf, int len, int *byte_offset, guint8 *bitmask)
|
{
|
int i;
|
guint8 byte;
|
|
for (i = 0; i < len; ++i)
|
if (buf [i])
|
break;
|
|
g_assert (i < len);
|
|
byte = buf [i];
|
while (byte && !(byte & 1))
|
byte >>= 1;
|
g_assert (byte == 1);
|
|
*byte_offset = i;
|
*bitmask = buf [i];
|
}
|
|
MonoMethod *
|
mono_marshal_get_thunk_invoke_wrapper (MonoMethod *method)
|
{
|
MonoMethodBuilder *mb;
|
MonoMethodSignature *sig, *csig;
|
MonoExceptionClause *clause;
|
MonoImage *image;
|
MonoClass *klass;
|
GHashTable *cache;
|
MonoMethod *res;
|
int i, param_count, sig_size, pos_leave;
|
|
g_assert (method);
|
|
// FIXME: we need to store the exception into a MonoHandle
|
g_assert (!mono_threads_is_coop_enabled ());
|
|
klass = method->klass;
|
image = method->klass->image;
|
|
cache = get_cache (&mono_method_get_wrapper_cache (method)->thunk_invoke_cache, mono_aligned_addr_hash, NULL);
|
|
if ((res = mono_marshal_find_in_cache (cache, method)))
|
return res;
|
|
sig = mono_method_signature (method);
|
mb = mono_mb_new (klass, method->name, MONO_WRAPPER_NATIVE_TO_MANAGED);
|
|
/* add "this" and exception param */
|
param_count = sig->param_count + sig->hasthis + 1;
|
|
/* dup & extend signature */
|
csig = mono_metadata_signature_alloc (image, param_count);
|
sig_size = MONO_SIZEOF_METHOD_SIGNATURE + sig->param_count * sizeof (MonoType *);
|
memcpy (csig, sig, sig_size);
|
csig->param_count = param_count;
|
csig->hasthis = 0;
|
csig->pinvoke = 1;
|
csig->call_convention = MONO_CALL_DEFAULT;
|
|
if (sig->hasthis) {
|
/* add "this" */
|
csig->params [0] = &klass->byval_arg;
|
/* move params up by one */
|
for (i = 0; i < sig->param_count; i++)
|
csig->params [i + 1] = sig->params [i];
|
}
|
|
/* setup exception param as byref+[out] */
|
csig->params [param_count - 1] = mono_metadata_type_dup (image,
|
&mono_defaults.exception_class->byval_arg);
|
csig->params [param_count - 1]->byref = 1;
|
csig->params [param_count - 1]->attrs = PARAM_ATTRIBUTE_OUT;
|
|
/* convert struct return to object */
|
if (MONO_TYPE_ISSTRUCT (sig->ret))
|
csig->ret = &mono_defaults.object_class->byval_arg;
|
|
#ifdef ENABLE_ILGEN
|
/* local 0 (temp for exception object) */
|
mono_mb_add_local (mb, &mono_defaults.object_class->byval_arg);
|
|
/* local 1 (temp for result) */
|
if (!MONO_TYPE_IS_VOID (sig->ret))
|
mono_mb_add_local (mb, sig->ret);
|
|
/* clear exception arg */
|
mono_mb_emit_ldarg (mb, param_count - 1);
|
mono_mb_emit_byte (mb, CEE_LDNULL);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
|
/* try */
|
clause = (MonoExceptionClause *)mono_image_alloc0 (image, sizeof (MonoExceptionClause));
|
clause->try_offset = mono_mb_get_label (mb);
|
|
/* push method's args */
|
for (i = 0; i < param_count - 1; i++) {
|
MonoType *type;
|
MonoClass *klass;
|
|
mono_mb_emit_ldarg (mb, i);
|
|
/* get the byval type of the param */
|
klass = mono_class_from_mono_type (csig->params [i]);
|
type = &klass->byval_arg;
|
|
/* unbox struct args */
|
if (MONO_TYPE_ISSTRUCT (type)) {
|
mono_mb_emit_op (mb, CEE_UNBOX, klass);
|
|
/* byref args & and the "this" arg must remain a ptr.
|
Otherwise make a copy of the value type */
|
if (!(csig->params [i]->byref || (i == 0 && sig->hasthis)))
|
mono_mb_emit_op (mb, CEE_LDOBJ, klass);
|
|
csig->params [i] = &mono_defaults.object_class->byval_arg;
|
}
|
}
|
|
/* call */
|
if (method->flags & METHOD_ATTRIBUTE_VIRTUAL)
|
mono_mb_emit_op (mb, CEE_CALLVIRT, method);
|
else
|
mono_mb_emit_op (mb, CEE_CALL, method);
|
|
/* save result at local 1 */
|
if (!MONO_TYPE_IS_VOID (sig->ret))
|
mono_mb_emit_stloc (mb, 1);
|
|
pos_leave = mono_mb_emit_branch (mb, CEE_LEAVE);
|
|
/* catch */
|
clause->flags = MONO_EXCEPTION_CLAUSE_NONE;
|
clause->try_len = mono_mb_get_pos (mb) - clause->try_offset;
|
clause->data.catch_class = mono_defaults.object_class;
|
|
clause->handler_offset = mono_mb_get_label (mb);
|
|
/* store exception at local 0 */
|
mono_mb_emit_stloc (mb, 0);
|
mono_mb_emit_ldarg (mb, param_count - 1);
|
mono_mb_emit_ldloc (mb, 0);
|
mono_mb_emit_byte (mb, CEE_STIND_REF);
|
mono_mb_emit_branch (mb, CEE_LEAVE);
|
|
clause->handler_len = mono_mb_get_pos (mb) - clause->handler_offset;
|
|
mono_mb_set_clauses (mb, 1, clause);
|
|
mono_mb_patch_branch (mb, pos_leave);
|
/* end-try */
|
|
if (!MONO_TYPE_IS_VOID (sig->ret)) {
|
mono_mb_emit_ldloc (mb, 1);
|
|
/* box the return value */
|
if (MONO_TYPE_ISSTRUCT (sig->ret))
|
mono_mb_emit_op (mb, CEE_BOX, mono_class_from_mono_type (sig->ret));
|
}
|
|
mono_mb_emit_byte (mb, CEE_RET);
|
#endif
|
|
res = mono_mb_create_and_cache (cache, method, mb, csig, param_count + 16);
|
mono_mb_free (mb);
|
|
return res;
|
}
|
|
/*
|
* mono_marshal_free_dynamic_wrappers:
|
*
|
* Free wrappers of the dynamic method METHOD.
|
*/
|
void
|
mono_marshal_free_dynamic_wrappers (MonoMethod *method)
|
{
|
MonoImage *image = method->klass->image;
|
|
g_assert (method_is_dynamic (method));
|
|
/* This could be called during shutdown */
|
if (marshal_mutex_initialized)
|
mono_marshal_lock ();
|
/*
|
* FIXME: We currently leak the wrappers. Freeing them would be tricky as
|
* they could be shared with other methods ?
|
*/
|
if (image->wrapper_caches.runtime_invoke_direct_cache)
|
g_hash_table_remove (image->wrapper_caches.runtime_invoke_direct_cache, method);
|
if (image->wrapper_caches.delegate_abstract_invoke_cache)
|
g_hash_table_foreach_remove (image->wrapper_caches.delegate_abstract_invoke_cache, signature_pointer_pair_matches_pointer, method);
|
// FIXME: Need to clear the caches in other images as well
|
if (image->delegate_bound_static_invoke_cache)
|
g_hash_table_remove (image->delegate_bound_static_invoke_cache, mono_method_signature (method));
|
|
if (marshal_mutex_initialized)
|
mono_marshal_unlock ();
|
}
|
|
static void
|
mono_marshal_ftnptr_eh_callback (guint32 gchandle)
|
{
|
g_assert (ftnptr_eh_callback);
|
ftnptr_eh_callback (gchandle);
|
}
|
|
static void
|
ftnptr_eh_callback_default (guint32 gchandle)
|
{
|
MonoException *exc;
|
gpointer stackdata;
|
|
mono_threads_enter_gc_unsafe_region_unbalanced (&stackdata);
|
|
exc = (MonoException*) mono_gchandle_get_target (gchandle);
|
|
mono_gchandle_free (gchandle);
|
|
mono_reraise_exception_deprecated (exc);
|
}
|
|
/*
|
* mono_install_ftnptr_eh_callback:
|
*
|
* Install a callback that should be called when there is a managed exception
|
* in a native-to-managed wrapper. This is mainly used by iOS to convert a
|
* managed exception to a native exception, to properly unwind the native
|
* stack; this native exception will then be converted back to a managed
|
* exception in their managed-to-native wrapper.
|
*/
|
void
|
mono_install_ftnptr_eh_callback (MonoFtnPtrEHCallback callback)
|
{
|
ftnptr_eh_callback = callback;
|
}
|
|
static MonoThreadInfo*
|
mono_icall_start (HandleStackMark *stackmark, MonoError *error)
|
{
|
MonoThreadInfo *info = mono_thread_info_current ();
|
|
mono_stack_mark_init (info, stackmark);
|
error_init (error);
|
return info;
|
}
|
|
static void
|
mono_icall_end (MonoThreadInfo *info, HandleStackMark *stackmark, MonoError *error)
|
{
|
mono_stack_mark_pop (info, stackmark);
|
if (G_UNLIKELY (!is_ok (error)))
|
mono_error_set_pending_exception (error);
|
}
|
|
static MonoObjectHandle
|
mono_icall_handle_new (gpointer rawobj)
|
{
|
#ifdef MONO_HANDLE_TRACK_OWNER
|
return mono_handle_new (rawobj, "<marshal args>");
|
#else
|
return mono_handle_new (rawobj);
|
#endif
|
}
|
|
static MonoObjectHandle
|
mono_icall_handle_new_interior (gpointer rawobj)
|
{
|
#ifdef MONO_HANDLE_TRACK_OWNER
|
return mono_handle_new_interior (rawobj, "<marshal args>");
|
#else
|
return mono_handle_new_interior (rawobj);
|
#endif
|
}
|
