/**
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* \file
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* Mono's client definitions for SGen.
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*
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* Copyright (C) 2014 Xamarin Inc
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*
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* Licensed under the MIT license. See LICENSE file in the project root for full license information.
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*/
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#ifdef SGEN_DEFINE_OBJECT_VTABLE
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#include "sgen/sgen-archdep.h"
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#include "utils/mono-threads.h"
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#include "utils/mono-mmap.h"
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#include "metadata/object-internals.h"
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typedef MonoObject GCObject;
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typedef MonoVTable* GCVTable;
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static inline GCVTable
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SGEN_LOAD_VTABLE_UNCHECKED (GCObject *obj)
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{
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return obj->vtable;
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}
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static inline SgenDescriptor
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sgen_vtable_get_descriptor (GCVTable vtable)
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{
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return (SgenDescriptor)vtable->gc_descr;
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}
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typedef struct _SgenClientThreadInfo SgenClientThreadInfo;
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struct _SgenClientThreadInfo {
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MonoThreadInfo info;
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/*
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* `skip` is set to TRUE when STW fails to suspend a thread, most probably because
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* the underlying thread is dead.
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*/
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gboolean skip, suspend_done;
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volatile int in_critical_region;
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/*
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This is set the argument of mono_gc_set_skip_thread.
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A thread that knowingly holds no managed state can call this
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function around blocking loops to reduce the GC burden by not
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been scanned.
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*/
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gboolean gc_disabled;
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#ifdef SGEN_POSIX_STW
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/* This is -1 until the first suspend. */
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int signal;
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/* FIXME: kill this, we only use signals on systems that have rt-posix, which doesn't have issues with duplicates. */
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unsigned int stop_count; /* to catch duplicate signals. */
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#endif
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gpointer runtime_data;
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void *stack_end;
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void *stack_start;
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void *stack_start_limit;
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MonoContext ctx; /* ditto */
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};
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#else
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#include "metadata/profiler-private.h"
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#include "utils/dtrace.h"
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#include "utils/mono-counters.h"
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#include "utils/mono-logger-internals.h"
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#include "utils/mono-time.h"
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#include "utils/mono-os-semaphore.h"
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#include "metadata/sgen-bridge-internals.h"
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extern void mono_sgen_register_moved_object (void *obj, void *destination);
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extern void mono_sgen_gc_event_moves (void);
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extern void mono_sgen_init_stw (void);
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enum {
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INTERNAL_MEM_EPHEMERON_LINK = INTERNAL_MEM_FIRST_CLIENT,
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INTERNAL_MEM_MOVED_OBJECT,
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INTERNAL_MEM_MAX
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};
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static inline mword
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sgen_mono_array_size (GCVTable vtable, MonoArray *array, mword *bounds_size, mword descr)
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{
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mword size, size_without_bounds;
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int element_size;
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if ((descr & DESC_TYPE_MASK) == DESC_TYPE_VECTOR)
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element_size = ((descr) >> VECTOR_ELSIZE_SHIFT) & MAX_ELEMENT_SIZE;
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else
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element_size = vtable->klass->sizes.element_size;
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size_without_bounds = size = MONO_SIZEOF_MONO_ARRAY + element_size * mono_array_length_fast (array);
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if (G_UNLIKELY (array->bounds)) {
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size += sizeof (mono_array_size_t) - 1;
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size &= ~(sizeof (mono_array_size_t) - 1);
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size += sizeof (MonoArrayBounds) * vtable->klass->rank;
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}
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if (bounds_size)
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*bounds_size = size - size_without_bounds;
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return size;
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}
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#define SGEN_CLIENT_OBJECT_HEADER_SIZE (sizeof (GCObject))
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#define SGEN_CLIENT_MINIMUM_OBJECT_SIZE SGEN_CLIENT_OBJECT_HEADER_SIZE
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static mword /*__attribute__ ((__noinline__)) not sure if this hint is a good idea*/
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sgen_client_slow_object_get_size (GCVTable vtable, GCObject* o)
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{
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MonoClass *klass = ((MonoVTable*)vtable)->klass;
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/*
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* We depend on mono_string_length_fast and
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* mono_array_length_fast not using the object's vtable.
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*/
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if (klass == mono_defaults.string_class) {
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return G_STRUCT_OFFSET (MonoString, chars) + 2 * mono_string_length_fast ((MonoString*) o) + 2;
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} else if (klass->rank) {
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return sgen_mono_array_size (vtable, (MonoArray*)o, NULL, 0);
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} else {
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/* from a created object: the class must be inited already */
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return klass->instance_size;
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}
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}
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/*
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* This function can be called on an object whose first word, the
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* vtable field, is not intact. This is necessary for the parallel
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* collector.
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*/
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static MONO_NEVER_INLINE mword
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sgen_client_par_object_get_size (GCVTable vtable, GCObject* o)
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{
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SgenDescriptor descr = sgen_vtable_get_descriptor (vtable);
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mword type = descr & DESC_TYPE_MASK;
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if (type == DESC_TYPE_RUN_LENGTH || type == DESC_TYPE_SMALL_PTRFREE) {
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mword size = descr & 0xfff8;
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SGEN_ASSERT (9, size >= sizeof (MonoObject), "Run length object size to small");
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return size;
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} else if (descr == SGEN_DESC_STRING) {
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return G_STRUCT_OFFSET (MonoString, chars) + 2 * mono_string_length_fast ((MonoString*) o) + 2;
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} else if (type == DESC_TYPE_VECTOR) {
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return sgen_mono_array_size (vtable, (MonoArray*)o, NULL, descr);
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}
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return sgen_client_slow_object_get_size (vtable, o);
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}
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static MONO_ALWAYS_INLINE size_t G_GNUC_UNUSED
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sgen_client_array_element_size (GCVTable gc_vtable)
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{
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MonoVTable *vt = (MonoVTable*)gc_vtable;
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return mono_array_element_size (vt->klass);
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}
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static MONO_ALWAYS_INLINE G_GNUC_UNUSED char*
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sgen_client_array_data_start (GCObject *obj)
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{
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return (char*)(obj) + G_STRUCT_OFFSET (MonoArray, vector);
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}
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static MONO_ALWAYS_INLINE size_t G_GNUC_UNUSED
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sgen_client_array_length (GCObject *obj)
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{
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return mono_array_length_fast ((MonoArray*)obj);
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}
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static MONO_ALWAYS_INLINE gboolean G_GNUC_UNUSED
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sgen_client_object_is_array_fill (GCObject *o)
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{
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return ((MonoObject*)o)->synchronisation == GINT_TO_POINTER (-1);
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}
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static MONO_ALWAYS_INLINE void G_GNUC_UNUSED
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sgen_client_pre_copy_checks (char *destination, GCVTable gc_vtable, void *obj, mword objsize)
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{
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MonoVTable *vt = (MonoVTable*)gc_vtable;
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SGEN_ASSERT (9, vt->klass->inited, "vtable %p for class %s:%s was not initialized", vt, vt->klass->name_space, vt->klass->name);
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}
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static MONO_ALWAYS_INLINE void G_GNUC_UNUSED
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sgen_client_update_copied_object (char *destination, GCVTable gc_vtable, void *obj, mword objsize)
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{
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MonoVTable *vt = (MonoVTable*)gc_vtable;
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if (G_UNLIKELY (vt->rank && ((MonoArray*)obj)->bounds)) {
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MonoArray *array = (MonoArray*)destination;
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array->bounds = (MonoArrayBounds*)((char*)destination + ((char*)((MonoArray*)obj)->bounds - (char*)obj));
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SGEN_LOG (9, "Array instance %p: size: %lu, rank: %d, length: %lu", array, (unsigned long)objsize, vt->rank, (unsigned long)mono_array_length (array));
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}
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if (MONO_PROFILER_ENABLED (gc_moves))
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mono_sgen_register_moved_object (obj, destination);
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}
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#ifdef XDOMAIN_CHECKS_IN_WBARRIER
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extern gboolean sgen_mono_xdomain_checks;
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#define sgen_client_wbarrier_generic_nostore_check(ptr) do { \
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/* FIXME: ptr_in_heap must be called with the GC lock held */ \
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if (sgen_mono_xdomain_checks && *(MonoObject**)ptr && ptr_in_heap (ptr)) { \
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char *start = find_object_for_ptr (ptr); \
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MonoObject *value = *(MonoObject**)ptr; \
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LOCK_GC; \
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SGEN_ASSERT (0, start, "Write barrier outside an object?"); \
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if (start) { \
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MonoObject *obj = (MonoObject*)start; \
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if (obj->vtable->domain != value->vtable->domain) \
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SGEN_ASSERT (0, is_xdomain_ref_allowed (ptr, start, obj->vtable->domain), "Cross-domain ref not allowed"); \
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} \
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UNLOCK_GC; \
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} \
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} while (0)
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#else
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#define sgen_client_wbarrier_generic_nostore_check(ptr)
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#endif
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static gboolean G_GNUC_UNUSED
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sgen_client_object_has_critical_finalizer (GCObject *obj)
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{
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MonoClass *klass;
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if (!mono_defaults.critical_finalizer_object)
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return FALSE;
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klass = SGEN_LOAD_VTABLE (obj)->klass;
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return mono_class_has_parent_fast (klass, mono_defaults.critical_finalizer_object);
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}
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const char* sgen_client_vtable_get_namespace (GCVTable vtable);
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const char* sgen_client_vtable_get_name (GCVTable vtable);
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static gboolean G_GNUC_UNUSED
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sgen_client_bridge_need_processing (void)
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{
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return sgen_need_bridge_processing ();
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}
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static void G_GNUC_UNUSED
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sgen_client_bridge_reset_data (void)
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{
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sgen_bridge_reset_data ();
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}
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static void G_GNUC_UNUSED
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sgen_client_bridge_processing_stw_step (void)
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{
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sgen_bridge_processing_stw_step ();
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}
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static void G_GNUC_UNUSED
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sgen_client_bridge_wait_for_processing (void)
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{
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mono_gc_wait_for_bridge_processing ();
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}
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static void G_GNUC_UNUSED
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sgen_client_bridge_processing_finish (int generation)
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{
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sgen_bridge_processing_finish (generation);
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}
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static gboolean G_GNUC_UNUSED
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sgen_client_bridge_is_bridge_object (GCObject *obj)
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{
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return sgen_is_bridge_object (obj);
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}
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static void G_GNUC_UNUSED
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sgen_client_bridge_register_finalized_object (GCObject *object)
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{
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sgen_bridge_register_finalized_object (object);
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}
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static void G_GNUC_UNUSED
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sgen_client_binary_protocol_collection_requested (int generation, size_t requested_size, gboolean force)
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{
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MONO_GC_REQUESTED (generation, requested_size, force);
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}
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void
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sgen_client_binary_protocol_collection_begin (int minor_gc_count, int generation);
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void
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sgen_client_binary_protocol_collection_end (int minor_gc_count, int generation, long long num_objects_scanned, long long num_unique_objects_scanned);
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static void G_GNUC_UNUSED
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sgen_client_binary_protocol_concurrent_start (void)
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{
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MONO_GC_CONCURRENT_START_BEGIN (GENERATION_OLD);
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}
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static void G_GNUC_UNUSED
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sgen_client_binary_protocol_concurrent_update (void)
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{
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MONO_GC_CONCURRENT_UPDATE_FINISH_BEGIN (GENERATION_OLD, sgen_get_major_collector ()->get_and_reset_num_major_objects_marked ());
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}
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static void G_GNUC_UNUSED
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sgen_client_binary_protocol_concurrent_finish (void)
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{
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MONO_GC_CONCURRENT_UPDATE_FINISH_BEGIN (GENERATION_OLD, sgen_get_major_collector ()->get_and_reset_num_major_objects_marked ());
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}
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static void G_GNUC_UNUSED
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sgen_client_binary_protocol_sweep_begin (int generation, int full_sweep)
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{
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MONO_GC_SWEEP_BEGIN (generation, full_sweep);
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}
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static void G_GNUC_UNUSED
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sgen_client_binary_protocol_sweep_end (int generation, int full_sweep)
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{
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MONO_GC_SWEEP_END (generation, full_sweep);
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}
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static void G_GNUC_UNUSED
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sgen_client_binary_protocol_world_stopping (int generation, long long timestamp, gpointer thread)
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{
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MONO_GC_WORLD_STOP_BEGIN ();
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}
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static void G_GNUC_UNUSED
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sgen_client_binary_protocol_world_stopped (int generation, long long timestamp, long long total_major_cards, long long marked_major_cards, long long total_los_cards, long long marked_los_cards)
|
{
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MONO_GC_WORLD_STOP_END ();
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}
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static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_world_restarting (int generation, long long timestamp, long long total_major_cards, long long marked_major_cards, long long total_los_cards, long long marked_los_cards)
|
{
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MONO_GC_WORLD_RESTART_BEGIN (generation);
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}
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static void G_GNUC_UNUSED
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sgen_client_binary_protocol_world_restarted (int generation, long long timestamp)
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{
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MONO_GC_WORLD_RESTART_END (generation);
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}
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static void G_GNUC_UNUSED
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sgen_client_binary_protocol_block_alloc (gpointer addr, size_t size)
|
{
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}
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static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_block_free (gpointer addr, size_t size)
|
{
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}
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static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_block_set_state (gpointer addr, size_t size, int old, int new_)
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{
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}
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static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_mark_start (int generation)
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{
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}
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static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_mark_end (int generation)
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{
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}
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static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_reclaim_start (int generation)
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{
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}
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static void G_GNUC_UNUSED
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sgen_client_binary_protocol_reclaim_end (int generation)
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{
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}
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static void
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mono_binary_protocol_alloc_generic (gpointer obj, gpointer vtable, size_t size, gboolean pinned)
|
{
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#ifdef ENABLE_DTRACE
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const char *namespace = sgen_client_vtable_get_namespace (vtable);
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const char *name = sgen_client_vtable_get_name (vtable);
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if (sgen_ptr_in_nursery (obj)) {
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if (G_UNLIKELY (MONO_GC_NURSERY_OBJ_ALLOC_ENABLED ()))
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MONO_GC_NURSERY_OBJ_ALLOC ((mword)obj, size, namespace, name);
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} else {
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if (size > SGEN_MAX_SMALL_OBJ_SIZE) {
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if (G_UNLIKELY (MONO_GC_MAJOR_OBJ_ALLOC_LARGE_ENABLED ()))
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MONO_GC_MAJOR_OBJ_ALLOC_LARGE ((mword)obj, size, namespace, name);
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} else if (pinned) {
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MONO_GC_MAJOR_OBJ_ALLOC_PINNED ((mword)obj, size, namespace, name);
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}
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}
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#endif
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}
|
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static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_alloc (gpointer obj, gpointer vtable, size_t size, gpointer provenance)
|
{
|
mono_binary_protocol_alloc_generic (obj, vtable, size, FALSE);
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}
|
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static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_alloc_pinned (gpointer obj, gpointer vtable, size_t size, gpointer provenance)
|
{
|
mono_binary_protocol_alloc_generic (obj, vtable, size, TRUE);
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}
|
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static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_alloc_degraded (gpointer obj, gpointer vtable, size_t size, gpointer provenance)
|
{
|
MONO_GC_MAJOR_OBJ_ALLOC_DEGRADED ((mword)obj, size, sgen_client_vtable_get_namespace (vtable), sgen_client_vtable_get_name (vtable));
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}
|
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static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_card_scan (gpointer start, size_t size)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_pin_stage (gpointer addr_ptr, gpointer addr)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_cement_stage (gpointer addr)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_pin (gpointer obj, gpointer vtable, size_t size)
|
{
|
#ifdef ENABLE_DTRACE
|
if (G_UNLIKELY (MONO_GC_OBJ_PINNED_ENABLED ())) {
|
int gen = sgen_ptr_in_nursery (obj) ? GENERATION_NURSERY : GENERATION_OLD;
|
MONO_GC_OBJ_PINNED ((mword)obj,
|
sgen_safe_object_get_size (obj),
|
sgen_client_vtable_get_namespace (vtable), sgen_client_vtable_get_name (vtable), gen);
|
}
|
#endif
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_mark (gpointer obj, gpointer vtable, size_t size)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_scan_begin (gpointer obj, gpointer vtable, size_t size)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_scan_vtype_begin (gpointer obj, size_t size)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_scan_process_reference (gpointer obj, gpointer ptr, gpointer value)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_scan_stack (gpointer thread, gpointer stack_start, gpointer stack_end, int skip_reason)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_wbarrier (gpointer ptr, gpointer value, gpointer value_vtable)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_cement (gpointer ptr, gpointer vtable, size_t size)
|
{
|
#ifdef ENABLE_DTRACE
|
if (G_UNLIKELY (MONO_GC_OBJ_CEMENTED_ENABLED())) {
|
MONO_GC_OBJ_CEMENTED ((mword)ptr, sgen_safe_object_get_size ((GCObject*)ptr),
|
sgen_client_vtable_get_namespace (vtable), sgen_client_vtable_get_name (vtable));
|
}
|
#endif
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_copy (gpointer from, gpointer to, gpointer vtable, size_t size)
|
{
|
#ifdef ENABLE_DTRACE
|
if (G_UNLIKELY (MONO_GC_OBJ_MOVED_ENABLED ())) {
|
int dest_gen = sgen_ptr_in_nursery (to) ? GENERATION_NURSERY : GENERATION_OLD;
|
int src_gen = sgen_ptr_in_nursery (from) ? GENERATION_NURSERY : GENERATION_OLD;
|
MONO_GC_OBJ_MOVED ((mword)to, (mword)from, dest_gen, src_gen, size, sgen_client_vtable_get_namespace (vtable), sgen_client_vtable_get_name (vtable));
|
}
|
#endif
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_global_remset (gpointer ptr, gpointer value, gpointer value_vtable)
|
{
|
#ifdef ENABLE_DTRACE
|
if (G_UNLIKELY (MONO_GC_GLOBAL_REMSET_ADD_ENABLED ())) {
|
MONO_GC_GLOBAL_REMSET_ADD ((mword)ptr, (mword)value, sgen_safe_object_get_size (value),
|
sgen_client_vtable_get_namespace (value_vtable), sgen_client_vtable_get_name (value_vtable));
|
}
|
#endif
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_mod_union_remset (gpointer obj, gpointer ptr, gpointer value, gpointer value_vtable)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_ptr_update (gpointer ptr, gpointer old_value, gpointer new_value, gpointer vtable, size_t size)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_cleanup (gpointer ptr, gpointer vtable, size_t size)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_dislink_add (gpointer link, gpointer obj, gboolean track)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_dislink_update (gpointer link, gpointer obj, gboolean track)
|
{
|
#ifdef ENABLE_DTRACE
|
if (MONO_GC_WEAK_UPDATE_ENABLED ()) {
|
GCVTable vt = obj ? SGEN_LOAD_VTABLE (obj) : NULL;
|
MONO_GC_WEAK_UPDATE ((mword)link,
|
(mword)obj,
|
obj ? (mword)sgen_safe_object_get_size (obj) : (mword)0,
|
obj ? sgen_client_vtable_get_namespace (vt) : NULL,
|
obj ? sgen_client_vtable_get_name (vt) : NULL,
|
track ? 1 : 0);
|
}
|
#endif
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_dislink_remove (gpointer link, gboolean track)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_empty (gpointer start, size_t size)
|
{
|
if (sgen_ptr_in_nursery (start))
|
MONO_GC_NURSERY_SWEPT ((mword)start, size);
|
else
|
MONO_GC_MAJOR_SWEPT ((mword)start, size);
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_thread_suspend (gpointer thread, gpointer stopped_ip)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_thread_restart (gpointer thread)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_thread_register (gpointer thread)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_thread_unregister (gpointer thread)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_missing_remset (gpointer obj, gpointer obj_vtable, int offset, gpointer value, gpointer value_vtable, gboolean value_pinned)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_cement_reset (void)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_domain_unload_begin (gpointer domain)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_domain_unload_end (gpointer domain)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_gray_enqueue (gpointer queue, gpointer cursor, gpointer value)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_gray_dequeue (gpointer queue, gpointer cursor, gpointer value)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_major_card_table_scan_start (long long timestamp, gboolean mod_union)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_major_card_table_scan_end (long long timestamp, gboolean mod_union)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_los_card_table_scan_start (long long timestamp, gboolean mod_union)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_los_card_table_scan_end (long long timestamp, gboolean mod_union)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_finish_gray_stack_start (long long timestamp, int generation)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_finish_gray_stack_end (long long timestamp, int generation)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_worker_finish (long long timestamp, gboolean forced)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_evacuating_blocks (size_t block_size)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_concurrent_sweep_end (long long timestamp)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_header (long long check, int version, int ptr_size, gboolean little_endian)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_pin_stats (int objects_pinned_in_nursery, size_t bytes_pinned_in_nursery, int objects_pinned_in_major, size_t bytes_pinned_in_major)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_root_registered (char *start, size_t size, int source, void *key, const char *msg)
|
{
|
MONO_PROFILER_RAISE (gc_root_register, ((const mono_byte *) start, size, source, key, msg));
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_root_deregistered (char *start)
|
{
|
MONO_PROFILER_RAISE (gc_root_unregister, ((const mono_byte *) start));
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_worker_finish_stats (int worker_index, int generation, gboolean forced, long long major_scan, long long los_scan, long long work_time)
|
{
|
}
|
|
static void G_GNUC_UNUSED
|
sgen_client_binary_protocol_collection_end_stats (long long major_scan, long long los_scan, long long finish_stack)
|
{
|
}
|
|
#define TLAB_ACCESS_INIT SgenThreadInfo *__thread_info__ = (SgenThreadInfo*)mono_tls_get_sgen_thread_info ()
|
#define IN_CRITICAL_REGION (__thread_info__->client_info.in_critical_region)
|
|
/* Enter must be visible before anything is done in the critical region. */
|
#define ENTER_CRITICAL_REGION do { mono_atomic_store_acquire (&IN_CRITICAL_REGION, 1); } while (0)
|
|
/* Exit must make sure all critical regions stores are visible before it signal the end of the region.
|
* We don't need to emit a full barrier since we
|
*/
|
#define EXIT_CRITICAL_REGION do { mono_atomic_store_release (&IN_CRITICAL_REGION, 0); } while (0)
|
|
#ifndef DISABLE_CRITICAL_REGION
|
/*
|
* We can only use a critical region in the managed allocator if the JIT supports OP_ATOMIC_STORE_I4.
|
*
|
* TODO: Query the JIT instead of this ifdef hack.
|
*/
|
#if defined (TARGET_X86) || defined (TARGET_AMD64) || (defined (TARGET_ARM) && defined (HAVE_ARMV7)) || defined (TARGET_ARM64)
|
#define MANAGED_ALLOCATOR_CAN_USE_CRITICAL_REGION
|
#endif
|
#endif
|
|
#define SGEN_TV_DECLARE(name) gint64 name
|
#define SGEN_TV_GETTIME(tv) tv = mono_100ns_ticks ()
|
#define SGEN_TV_ELAPSED(start,end) ((gint64)(end-start))
|
|
guint64 mono_time_since_last_stw (void);
|
|
typedef MonoSemType SgenSemaphore;
|
|
#define SGEN_SEMAPHORE_INIT(sem,initial) mono_os_sem_init ((sem), (initial))
|
#define SGEN_SEMAPHORE_POST(sem) mono_os_sem_post ((sem))
|
#define SGEN_SEMAPHORE_WAIT(sem) mono_os_sem_wait ((sem), MONO_SEM_FLAGS_NONE)
|
|
gboolean sgen_has_critical_method (void);
|
gboolean sgen_is_critical_method (MonoMethod *method);
|
|
void sgen_set_use_managed_allocator (gboolean flag);
|
gboolean sgen_is_managed_allocator (MonoMethod *method);
|
gboolean sgen_has_managed_allocator (void);
|
|
void sgen_scan_for_registered_roots_in_domain (MonoDomain *domain, int root_type);
|
void sgen_null_links_for_domain (MonoDomain *domain);
|
|
#endif
|
