#include "il2cpp-config.h"
|
#include "il2cpp-runtime-stats.h"
|
#include "os/Mutex.h"
|
#include "vm/Class.h"
|
#include "vm/GenericClass.h"
|
#include "vm/Image.h"
|
#include "vm/MetadataLock.h"
|
#include "vm/Type.h"
|
#include "metadata/ArrayMetadata.h"
|
#include "metadata/GenericMetadata.h"
|
#include "metadata/GenericMethod.h"
|
#include "metadata/Il2CppGenericClassHash.h"
|
#include "metadata/Il2CppGenericClassCompare.h"
|
#include "metadata/Il2CppGenericInstCompare.h"
|
#include "metadata/Il2CppGenericInstHash.h"
|
#include "metadata/Il2CppTypeCompare.h"
|
#include "metadata/Il2CppTypeHash.h"
|
#include "vm/MetadataAlloc.h"
|
#include "vm/MetadataCache.h"
|
#include "vm/Runtime.h"
|
#include "utils/Memory.h"
|
#include "utils/Il2CppHashMap.h"
|
#include "utils/StringUtils.h"
|
#include "il2cpp-class-internals.h"
|
#include "il2cpp-tabledefs.h"
|
#include <vector>
|
#include <limits>
|
|
using namespace il2cpp::vm;
|
using il2cpp::os::FastAutoLock;
|
using il2cpp::utils::StringUtils;
|
using il2cpp::vm::MetadataCache;
|
|
using il2cpp::vm::MetadataCalloc;
|
using il2cpp::vm::MetadataMalloc;
|
|
using std::vector;
|
using std::pair;
|
|
|
const size_t kImplicitArrayInterfaceCount = 5;
|
|
namespace il2cpp
|
{
|
namespace metadata
|
{
|
static const char* GetArrayName(const char* elementClassName, uint32_t rank, bool bounded)
|
{
|
std::string name;
|
name += elementClassName;
|
name += "[";
|
for (uint32_t i = 1; i < rank; i++)
|
name += ",";
|
if (bounded)
|
name += "*";
|
name += "]";
|
|
return StringUtils::StringDuplicate(name.c_str());
|
}
|
|
static MethodInfo* ConstructArrayMethod(Il2CppClass* declaringType, const char* name, const Il2CppType* returnType, uint8_t parameterCount, const Il2CppType** parameterTypes)
|
{
|
MethodInfo* method = (MethodInfo*)MetadataCalloc(1, sizeof(MethodInfo));
|
method->klass = declaringType;
|
method->flags = METHOD_ATTRIBUTE_PUBLIC;
|
method->iflags = METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL;
|
method->name = name;
|
method->slot = -1;
|
method->return_type = returnType;
|
method->parameters_count = parameterCount;
|
ParameterInfo* parameters = (ParameterInfo*)MetadataCalloc(parameterCount, sizeof(ParameterInfo));
|
for (uint8_t i = 0; i < parameterCount; i++)
|
{
|
parameters[i].position = i;
|
parameters[i].parameter_type = parameterTypes[i];
|
parameters[i].name = NULL;
|
}
|
method->parameters = parameters;
|
|
if (!strcmp(".ctor", name))
|
{
|
method->flags |= METHOD_ATTRIBUTE_RT_SPECIAL_NAME | METHOD_ATTRIBUTE_SPECIAL_NAME;
|
}
|
else
|
{
|
method->iflags |= METHOD_IMPL_ATTRIBUTE_RUNTIME;
|
}
|
|
++il2cpp_runtime_stats.method_count;
|
|
return method;
|
}
|
|
struct GenericArrayMethod
|
{
|
std::string name;
|
const MethodInfo* method;
|
const MethodInfo* interfaceMethodDefinition;
|
};
|
|
typedef vector<GenericArrayMethod> GenericArrayMethods;
|
static GenericArrayMethods s_GenericArrayMethods;
|
|
static size_t GetArrayGenericMethodsCount();
|
static void PopulateArrayGenericMethods(Il2CppClass* klass, uint16_t offset, const GenericArrayMethods& genericArrayMethods);
|
|
static void CollectImplicitArrayInterfaces(Il2CppClass* elementClass, ::std::vector<Il2CppClass*>& interfaces);
|
|
static void SetupArrayMethods(Il2CppClass* arrayClass)
|
{
|
size_t methodIndex = 0;
|
uint8_t rank = arrayClass->rank;
|
::std::vector<Il2CppClass*> interfaces;
|
CollectImplicitArrayInterfaces(arrayClass, interfaces);
|
|
size_t methodCount = 3 + (rank > 1 ? 2 : 1) + interfaces.size() * GetArrayGenericMethodsCount();
|
IL2CPP_ASSERT(methodCount <= std::numeric_limits<uint16_t>::max());
|
arrayClass->method_count = static_cast<uint16_t>(methodCount);
|
arrayClass->methods = (const MethodInfo**)MetadataCalloc(methodCount, sizeof(MethodInfo*));
|
|
const Il2CppType** parameters = (const Il2CppType**)alloca(rank * sizeof(Il2CppType*));
|
for (uint8_t i = 0; i < rank; i++)
|
parameters[i] = &il2cpp_defaults.int32_class->byval_arg;
|
arrayClass->methods[methodIndex++] = ConstructArrayMethod(arrayClass, ".ctor", &il2cpp_defaults.void_class->byval_arg, rank, parameters);
|
|
if (rank > 1)
|
{
|
parameters = (const Il2CppType**)alloca(2 * rank * sizeof(Il2CppType*));
|
for (uint8_t i = 0; i < 2 * rank; i++)
|
parameters[i] = &il2cpp_defaults.int32_class->byval_arg;
|
arrayClass->methods[methodIndex++] = ConstructArrayMethod(arrayClass, ".ctor", &il2cpp_defaults.void_class->byval_arg, 2 * rank, parameters);
|
}
|
|
parameters = (const Il2CppType**)alloca((rank + 1) * sizeof(Il2CppType*));
|
for (uint8_t i = 0; i < rank; i++)
|
parameters[i] = &il2cpp_defaults.int32_class->byval_arg;
|
parameters[rank] = &arrayClass->element_class->byval_arg;
|
arrayClass->methods[methodIndex++] = ConstructArrayMethod(arrayClass, "Set", &il2cpp_defaults.void_class->byval_arg, rank + 1, parameters);
|
|
parameters = (const Il2CppType**)alloca(rank * sizeof(Il2CppType*));
|
for (uint8_t i = 0; i < rank; i++)
|
parameters[i] = &il2cpp_defaults.int32_class->byval_arg;
|
arrayClass->methods[methodIndex++] = ConstructArrayMethod(arrayClass, "Address", &arrayClass->element_class->this_arg, rank, parameters);
|
|
parameters = (const Il2CppType**)alloca(rank * sizeof(Il2CppType*));
|
for (uint8_t i = 0; i < rank; i++)
|
parameters[i] = &il2cpp_defaults.int32_class->byval_arg;
|
arrayClass->methods[methodIndex++] = ConstructArrayMethod(arrayClass, "Get", &arrayClass->element_class->byval_arg, rank, parameters);
|
|
IL2CPP_ASSERT(methodIndex <= std::numeric_limits<uint16_t>::max());
|
PopulateArrayGenericMethods(arrayClass, static_cast<uint16_t>(methodIndex), s_GenericArrayMethods);
|
}
|
|
static void CollectImplicitArrayInterfacesFromElementClass(Il2CppClass* elementClass, ::std::vector<Il2CppClass*>& interfaces)
|
{
|
#if !IL2CPP_TINY
|
while (elementClass != NULL)
|
{
|
interfaces.push_back(elementClass);
|
if (!elementClass->valuetype && elementClass != il2cpp_defaults.value_type_class && elementClass != il2cpp_defaults.enum_class)
|
{
|
void* iter = NULL;
|
while (Il2CppClass* itf = Class::GetInterfaces(elementClass, &iter))
|
interfaces.push_back(itf);
|
}
|
|
if (elementClass->rank == 1)
|
{
|
::std::vector<Il2CppClass*> elementInterfaces;
|
CollectImplicitArrayInterfacesFromElementClass(elementClass->element_class, elementInterfaces);
|
|
for (::std::vector<Il2CppClass*>::iterator iter = elementInterfaces.begin(); iter != elementInterfaces.end(); ++iter)
|
{
|
Il2CppTypeVector genericArguments;
|
genericArguments.push_back(&(*iter)->byval_arg);
|
|
interfaces.push_back(Class::GetInflatedGenericInstanceClass(il2cpp_defaults.generic_ilist_class, genericArguments));
|
interfaces.push_back(Class::GetInflatedGenericInstanceClass(il2cpp_defaults.generic_icollection_class, genericArguments));
|
interfaces.push_back(Class::GetInflatedGenericInstanceClass(il2cpp_defaults.generic_ienumerable_class, genericArguments));
|
|
interfaces.push_back(Class::GetInflatedGenericInstanceClass(il2cpp_defaults.generic_ireadonlylist_class, genericArguments));
|
interfaces.push_back(Class::GetInflatedGenericInstanceClass(il2cpp_defaults.generic_ireadonlycollection_class, genericArguments));
|
}
|
}
|
|
elementClass = Class::GetParent(elementClass);
|
if (elementClass != NULL && (elementClass->valuetype || elementClass == il2cpp_defaults.value_type_class || elementClass == il2cpp_defaults.enum_class))
|
break;
|
}
|
#endif
|
}
|
|
static void CollectImplicitArrayInterfaces(Il2CppClass* arrayClass, ::std::vector<Il2CppClass*>& interfaces)
|
{
|
if (arrayClass->byval_arg.type != IL2CPP_TYPE_SZARRAY)
|
return;
|
|
CollectImplicitArrayInterfacesFromElementClass(arrayClass->element_class, interfaces);
|
}
|
|
// note assuming list is ordered as IList, ICollection, IEnumerable
|
|
static void CollectGenericArrayMethods(GenericArrayMethods& genericArrayMethods)
|
{
|
const size_t kNumGenericArrayMethods = 13;
|
genericArrayMethods.reserve(kNumGenericArrayMethods);
|
|
void* iter = NULL;
|
while (const MethodInfo* method = Class::GetMethods(il2cpp_defaults.array_class, &iter))
|
{
|
if (strncmp(method->name, "InternalArray__", 15))
|
continue;
|
|
std::string name;
|
std::string methodName;
|
|
Il2CppClass* implementingInterface = NULL;
|
if (!strncmp(method->name, "InternalArray__ICollection_", 27))
|
{
|
implementingInterface = il2cpp_defaults.generic_icollection_class;
|
methodName = method->name + 27;
|
name = StringUtils::Printf("System.Collections.Generic.ICollection`1.%s", method->name + 27);
|
}
|
else if (!strncmp(method->name, "InternalArray__IEnumerable_", 27))
|
{
|
implementingInterface = il2cpp_defaults.generic_ienumerable_class;
|
methodName = method->name + 27;
|
name = StringUtils::Printf("System.Collections.Generic.IEnumerable`1.%s", method->name + 27);
|
}
|
else if (!strncmp(method->name, "InternalArray__IReadOnlyList_", 29))
|
{
|
implementingInterface = il2cpp_defaults.generic_ireadonlylist_class;
|
methodName = method->name + 29;
|
name = StringUtils::Printf("System.Collections.Generic.IReadOnlyList`1.%s", method->name + 29);
|
}
|
else if (!strncmp(method->name, "InternalArray__IReadOnlyCollection_", 35))
|
{
|
implementingInterface = il2cpp_defaults.generic_ireadonlycollection_class;
|
methodName = method->name + 35;
|
name = StringUtils::Printf("System.Collections.Generic.IReadOnlyCollection`1.%s", method->name + 35);
|
}
|
else
|
{
|
implementingInterface = il2cpp_defaults.generic_ilist_class;
|
methodName = method->name + 15;
|
name = StringUtils::Printf("System.Collections.Generic.IList`1.%s", method->name + 15);
|
}
|
const MethodInfo* matchingInterfacesMethod = NULL;
|
for (int methodIndex = 0; methodIndex < implementingInterface->method_count; methodIndex++)
|
{
|
const MethodInfo* interfaceMethod = implementingInterface->methods[methodIndex];
|
if (methodName == interfaceMethod->name)
|
matchingInterfacesMethod = interfaceMethod;
|
}
|
|
if (matchingInterfacesMethod != NULL)
|
{
|
GenericArrayMethod generiArrayMethod = { name, method, matchingInterfacesMethod };
|
genericArrayMethods.push_back(generiArrayMethod);
|
}
|
}
|
}
|
|
static size_t GetArrayGenericMethodsCount()
|
{
|
if (s_GenericArrayMethods.size() == 0)
|
CollectGenericArrayMethods(s_GenericArrayMethods);
|
|
return s_GenericArrayMethods.size();
|
}
|
|
static MethodInfo* ConstructGenericArrayMethod(const GenericArrayMethod& genericArrayMethod, Il2CppClass* klass, Il2CppGenericContext* context)
|
{
|
MethodInfo* inflatedMethod = (MethodInfo*)MetadataCalloc(1, sizeof(MethodInfo));
|
inflatedMethod->name = StringUtils::StringDuplicate(genericArrayMethod.name.c_str());
|
inflatedMethod->klass = klass;
|
|
const MethodInfo* methodToCopyDataFrom = genericArrayMethod.method;
|
if (genericArrayMethod.method->is_generic)
|
{
|
const Il2CppGenericMethod* genericMethod = MetadataCache::GetGenericMethod(genericArrayMethod.method, context->class_inst, context->method_inst);
|
methodToCopyDataFrom = GenericMethod::GetMethod(genericMethod);
|
|
inflatedMethod->is_inflated = true;
|
inflatedMethod->genericMethod = genericMethod;
|
inflatedMethod->rgctx_data = methodToCopyDataFrom->rgctx_data;
|
}
|
|
inflatedMethod->isInterpterImpl = methodToCopyDataFrom->isInterpterImpl;
|
inflatedMethod->token = methodToCopyDataFrom->token;
|
inflatedMethod->slot = methodToCopyDataFrom->slot;
|
inflatedMethod->parameters_count = methodToCopyDataFrom->parameters_count;
|
inflatedMethod->parameters = methodToCopyDataFrom->parameters;
|
inflatedMethod->return_type = methodToCopyDataFrom->return_type;
|
|
inflatedMethod->methodPointer = methodToCopyDataFrom->methodPointer;
|
inflatedMethod->invoker_method = methodToCopyDataFrom->invoker_method;
|
inflatedMethod->methodPointerCallByInterp = methodToCopyDataFrom->methodPointerCallByInterp;
|
inflatedMethod->virtualMethodPointerCallByInterp = methodToCopyDataFrom->virtualMethodPointerCallByInterp;
|
inflatedMethod->isInterpterImpl = methodToCopyDataFrom->isInterpterImpl;
|
inflatedMethod->initInterpCallMethodPointer = methodToCopyDataFrom->initInterpCallMethodPointer;
|
|
return inflatedMethod;
|
}
|
|
static void PopulateArrayGenericMethods(Il2CppClass* klass, uint16_t offset, const GenericArrayMethods& genericArrayMethods)
|
{
|
for (int i = 0; i < klass->interface_offsets_count; i++)
|
{
|
Il2CppClass* interfaceType = klass->interfaceOffsets[i].interfaceType;
|
if (!interfaceType->generic_class)
|
continue;
|
|
Il2CppClass* interfaceDefinition = GenericClass::GetTypeDefinition(interfaceType->generic_class);
|
|
Il2CppGenericContext context = { 0 };
|
Il2CppTypeVector types;
|
types.push_back(interfaceType->generic_class->context.class_inst->type_argv[0]);
|
context.method_inst = MetadataCache::GetGenericInst(types);
|
|
for (GenericArrayMethods::const_iterator iter = genericArrayMethods.begin(); iter != genericArrayMethods.end(); ++iter)
|
{
|
if (iter->interfaceMethodDefinition->klass != interfaceDefinition)
|
continue;
|
|
MethodInfo* arrayMethod = ConstructGenericArrayMethod(*iter, klass, &context);
|
klass->methods[offset++] = arrayMethod;
|
|
size_t vtableIndex = klass->interfaceOffsets[i].offset + iter->interfaceMethodDefinition->slot;
|
klass->vtable[vtableIndex].method = arrayMethod;
|
klass->vtable[vtableIndex].methodPtr = arrayMethod->methodPointer;
|
}
|
}
|
}
|
|
static void SetupArrayVTableAndInterfaceOffsets(Il2CppClass* klass)
|
{
|
Il2CppClass* arrayClass = Class::GetParent(klass);
|
size_t arrayInterfacesCount = arrayClass->interface_offsets_count;
|
|
::std::vector<Il2CppClass*> interfaces;
|
|
if (klass->byval_arg.type == IL2CPP_TYPE_SZARRAY)
|
{
|
CollectImplicitArrayInterfaces(klass, interfaces);
|
}
|
|
Il2CppRuntimeInterfaceOffsetPair* newInterfaceOffsets = (Il2CppRuntimeInterfaceOffsetPair*)MetadataMalloc((arrayInterfacesCount + kImplicitArrayInterfaceCount * interfaces.size()) * sizeof(Il2CppRuntimeInterfaceOffsetPair));
|
memcpy(newInterfaceOffsets, arrayClass->interfaceOffsets, (arrayInterfacesCount) * sizeof(Il2CppRuntimeInterfaceOffsetPair));
|
|
int32_t arrayVTableSlot = arrayClass->vtable_count;
|
size_t slots = arrayVTableSlot + interfaces.size() * (il2cpp_defaults.generic_ilist_class->method_count + il2cpp_defaults.generic_icollection_class->method_count + il2cpp_defaults.generic_ienumerable_class->method_count);
|
|
slots += interfaces.size() * (il2cpp_defaults.generic_ireadonlylist_class->method_count + il2cpp_defaults.generic_ireadonlycollection_class->method_count);
|
|
memcpy(klass->vtable, arrayClass->vtable, arrayVTableSlot * sizeof(VirtualInvokeData));
|
|
size_t index = arrayInterfacesCount;
|
int32_t vtableSlot = arrayVTableSlot;
|
for (::std::vector<Il2CppClass*>::iterator iter = interfaces.begin(); iter != interfaces.end(); iter++, index += kImplicitArrayInterfaceCount)
|
{
|
Il2CppTypeVector genericArguments;
|
genericArguments.push_back(&(*iter)->byval_arg);
|
|
newInterfaceOffsets[index].interfaceType = Class::GetInflatedGenericInstanceClass(il2cpp_defaults.generic_ilist_class, genericArguments);
|
newInterfaceOffsets[index].offset = vtableSlot;
|
vtableSlot += newInterfaceOffsets[index].interfaceType->method_count;
|
|
newInterfaceOffsets[index + 1].interfaceType = Class::GetInflatedGenericInstanceClass(il2cpp_defaults.generic_icollection_class, genericArguments);
|
newInterfaceOffsets[index + 1].offset = vtableSlot;
|
vtableSlot += newInterfaceOffsets[index + 1].interfaceType->method_count;
|
|
newInterfaceOffsets[index + 2].interfaceType = Class::GetInflatedGenericInstanceClass(il2cpp_defaults.generic_ienumerable_class, genericArguments);
|
newInterfaceOffsets[index + 2].offset = vtableSlot;
|
vtableSlot += newInterfaceOffsets[index + 2].interfaceType->method_count;
|
|
newInterfaceOffsets[index + 3].interfaceType = Class::GetInflatedGenericInstanceClass(il2cpp_defaults.generic_ireadonlylist_class, genericArguments);
|
newInterfaceOffsets[index + 3].offset = vtableSlot;
|
vtableSlot += newInterfaceOffsets[index + 3].interfaceType->method_count;
|
|
newInterfaceOffsets[index + 4].interfaceType = Class::GetInflatedGenericInstanceClass(il2cpp_defaults.generic_ireadonlycollection_class, genericArguments);
|
newInterfaceOffsets[index + 4].offset = vtableSlot;
|
vtableSlot += newInterfaceOffsets[index + 4].interfaceType->method_count;
|
}
|
|
size_t interfaceOffsetsCount = arrayInterfacesCount + kImplicitArrayInterfaceCount * interfaces.size();
|
IL2CPP_ASSERT(interfaceOffsetsCount <= std::numeric_limits<uint16_t>::max());
|
klass->interface_offsets_count = static_cast<uint16_t>(interfaceOffsetsCount);
|
klass->interfaceOffsets = newInterfaceOffsets;
|
}
|
|
void SetupCastClass(Il2CppClass *arrayType)
|
{
|
Il2CppClass *elementType = arrayType->element_class;
|
|
if (elementType->enumtype)
|
arrayType->castClass = elementType->element_class;
|
else
|
arrayType->castClass = elementType;
|
|
if (arrayType->castClass == il2cpp_defaults.sbyte_class)
|
arrayType->castClass = il2cpp_defaults.byte_class;
|
else if (arrayType->castClass == il2cpp_defaults.uint16_class)
|
arrayType->castClass = il2cpp_defaults.int16_class;
|
else if (arrayType->castClass == il2cpp_defaults.uint32_class)
|
arrayType->castClass = il2cpp_defaults.int32_class;
|
else if (arrayType->castClass == il2cpp_defaults.uint64_class)
|
arrayType->castClass = il2cpp_defaults.int64_class;
|
#if IL2CPP_SIZEOF_VOID_P == 8
|
else if (arrayType->castClass == il2cpp_defaults.int_class ||
|
arrayType->castClass == il2cpp_defaults.uint_class)
|
arrayType->castClass = il2cpp_defaults.int64_class;
|
#else
|
else if (arrayType->castClass == il2cpp_defaults.int_class ||
|
arrayType->castClass == il2cpp_defaults.uint_class)
|
arrayType->castClass = il2cpp_defaults.int32_class;
|
#endif
|
|
arrayType->has_references = Type::IsReference(&elementType->byval_arg) || elementType->has_references;
|
}
|
|
void ArrayMetadata::SetupArrayInterfaces(Il2CppClass* klass, const FastAutoLock& lock)
|
{
|
if (klass->byval_arg.type == IL2CPP_TYPE_SZARRAY)
|
{
|
IL2CPP_ASSERT(klass->implementedInterfaces == NULL);
|
|
Il2CppTypeVector genericArguments;
|
genericArguments.push_back(&klass->element_class->byval_arg);
|
|
IL2CPP_ASSERT(klass->interfaces_count == kImplicitArrayInterfaceCount);
|
klass->implementedInterfaces = (Il2CppClass**)MetadataMalloc(klass->interfaces_count * sizeof(Il2CppClass*));
|
klass->implementedInterfaces[0] = Class::GetInflatedGenericInstanceClass(il2cpp_defaults.generic_ilist_class, genericArguments);
|
IL2CPP_ASSERT(klass->implementedInterfaces[0]);
|
klass->implementedInterfaces[1] = Class::GetInflatedGenericInstanceClass(il2cpp_defaults.generic_icollection_class, genericArguments);
|
IL2CPP_ASSERT(klass->implementedInterfaces[1]);
|
klass->implementedInterfaces[2] = Class::GetInflatedGenericInstanceClass(il2cpp_defaults.generic_ienumerable_class, genericArguments);
|
IL2CPP_ASSERT(klass->implementedInterfaces[2]);
|
klass->implementedInterfaces[3] = Class::GetInflatedGenericInstanceClass(il2cpp_defaults.generic_ireadonlylist_class, genericArguments);
|
IL2CPP_ASSERT(klass->implementedInterfaces[3]);
|
klass->implementedInterfaces[4] = Class::GetInflatedGenericInstanceClass(il2cpp_defaults.generic_ireadonlycollection_class, genericArguments);
|
IL2CPP_ASSERT(klass->implementedInterfaces[4]);
|
}
|
}
|
|
void ArrayMetadata::SetupArrayVTable(Il2CppClass* klass, const FastAutoLock& lock)
|
{
|
// we assume we are being called as part of Class::Init and that the element class has already been initialized
|
IL2CPP_ASSERT(klass->element_class->initialized);
|
|
SetupCastClass(klass);
|
#if !IL2CPP_TINY
|
SetupArrayVTableAndInterfaceOffsets(klass);
|
#endif
|
SetupArrayMethods(klass);
|
}
|
|
struct SZArrayClassHash
|
{
|
size_t operator()(const Il2CppClass* arrayClass) const
|
{
|
return Il2CppTypeHash::Hash(&arrayClass->byval_arg);
|
}
|
};
|
|
struct SZArrayClassCompare
|
{
|
bool operator()(const Il2CppClass* arrayClass1, const Il2CppClass* arrayClass2) const
|
{
|
return Il2CppTypeEqualityComparer::AreEqual(&arrayClass1->byval_arg, &arrayClass2->byval_arg);
|
}
|
};
|
|
struct ArrayClassHash
|
{
|
size_t operator()(const std::pair<Il2CppClass*, uint32_t>& arrayClass) const
|
{
|
return Il2CppTypeHash::Hash(&arrayClass.first->byval_arg) * arrayClass.second;
|
}
|
};
|
|
struct ArrayClassCompare
|
{
|
bool operator()(const std::pair<Il2CppClass*, uint32_t>& arrayClass1, const std::pair<Il2CppClass*, uint32_t>& arrayClass2) const
|
{
|
return Il2CppTypeEqualityComparer::AreEqual(&arrayClass1.first->byval_arg, &arrayClass2.first->byval_arg) && arrayClass1.second == arrayClass2.second;
|
}
|
};
|
|
typedef Il2CppHashMap<Il2CppClass*, Il2CppClass*, SZArrayClassHash, SZArrayClassCompare> SZArrayClassMap;
|
typedef Il2CppHashMap<std::pair<Il2CppClass*, uint32_t>, Il2CppClass*, ArrayClassHash, ArrayClassCompare> ArrayClassMap;
|
|
SZArrayClassMap s_SZArrayClassMap;
|
ArrayClassMap s_ArrayClassMap;
|
|
Il2CppClass* ArrayMetadata::GetBoundedArrayClass(Il2CppClass* elementClass, uint32_t rank, bool bounded)
|
{
|
FastAutoLock lock(&il2cpp::vm::g_MetadataLock);
|
IL2CPP_NOT_IMPLEMENTED_NO_ASSERT(ArrayMetadata::GetBoundedArrayClass, "Use more granular lock for looking up arrays, but then handle race between lookup, construction, and caching");
|
|
IL2CPP_ASSERT(rank <= 255);
|
|
if (rank > 1)
|
bounded = false;
|
|
if (rank > 1 || bounded)
|
{
|
ArrayClassMap::const_iterator iter = s_ArrayClassMap.find(std::make_pair(elementClass, rank));
|
if (iter != s_ArrayClassMap.end())
|
return iter->second;
|
}
|
else
|
{
|
SZArrayClassMap::const_iterator iter = s_SZArrayClassMap.find(elementClass);
|
if (iter != s_SZArrayClassMap.end())
|
return iter->second;
|
}
|
|
Il2CppClass* arrayClass = il2cpp_defaults.array_class;
|
Class::Init(arrayClass);
|
|
//count number of virtual call slots for array class
|
::std::vector<Il2CppClass*> interfaces;
|
|
if (rank <= 1 && !bounded)
|
CollectImplicitArrayInterfacesFromElementClass(elementClass, interfaces);
|
|
#if IL2CPP_TINY
|
size_t slots = arrayClass->vtable_count;
|
#else
|
size_t slots = arrayClass->vtable_count + interfaces.size() * (il2cpp_defaults.generic_ilist_class->method_count + il2cpp_defaults.generic_icollection_class->method_count + il2cpp_defaults.generic_ienumerable_class->method_count);
|
#endif
|
|
#if !IL2CPP_TINY
|
slots += interfaces.size() * (il2cpp_defaults.generic_ireadonlylist_class->method_count + il2cpp_defaults.generic_ireadonlycollection_class->method_count);
|
#endif
|
|
Il2CppClass* klass = (Il2CppClass*)MetadataCalloc(1, sizeof(Il2CppClass) + (slots * sizeof(VirtualInvokeData)));
|
klass->klass = klass;
|
klass->image = elementClass->image;
|
// can share the const char* since it's immutable
|
klass->namespaze = elementClass->namespaze;
|
klass->name = GetArrayName(elementClass->name, rank, bounded);
|
|
klass->parent = il2cpp_defaults.array_class;
|
|
klass->flags = TYPE_ATTRIBUTE_AUTO_LAYOUT | TYPE_ATTRIBUTE_ANSI_CLASS | TYPE_ATTRIBUTE_CLASS | TYPE_ATTRIBUTE_PUBLIC | TYPE_ATTRIBUTE_SEALED | TYPE_ATTRIBUTE_SERIALIZABLE;
|
klass->rank = rank;
|
|
klass->instance_size = Class::GetInstanceSize(arrayClass);
|
klass->size_inited = true;
|
klass->vtable_count = static_cast<uint16_t>(slots);
|
|
// need this before we access the size or has_references
|
Class::SetupFields(elementClass);
|
|
klass->element_size = Class::GetArrayElementSize(elementClass);
|
klass->native_size = klass->thread_static_fields_offset = -1;
|
|
klass->has_references = Type::IsReference(&elementClass->byval_arg) || elementClass->has_references;
|
|
klass->element_class = elementClass;
|
|
if (rank > 1 || bounded)
|
{
|
Il2CppArrayType *at = (Il2CppArrayType*)MetadataCalloc(1, sizeof(Il2CppArrayType));
|
klass->byval_arg.type = IL2CPP_TYPE_ARRAY;
|
klass->byval_arg.data.array = at;
|
at->etype = &elementClass->byval_arg;
|
at->rank = rank;
|
}
|
else
|
{
|
klass->byval_arg.type = IL2CPP_TYPE_SZARRAY;
|
klass->byval_arg.data.type = &elementClass->byval_arg;
|
}
|
|
klass->this_arg = klass->byval_arg;
|
klass->this_arg.byref = 1;
|
|
if (rank > 1 || bounded)
|
{
|
klass->interfaces_count = 0;
|
}
|
else
|
{
|
klass->interfaces_count = kImplicitArrayInterfaceCount;
|
}
|
|
klass->interopData = MetadataCache::GetInteropDataForType(&klass->byval_arg);
|
|
if (rank > 1 || bounded)
|
s_ArrayClassMap.insert(std::make_pair(ArrayClassMap::key_type(std::make_pair(klass->element_class, klass->rank)), klass));
|
else
|
s_SZArrayClassMap.insert(std::make_pair(klass->element_class, klass));
|
|
return klass;
|
}
|
|
void ArrayMetadata::WalkSZArrays(ArrayTypeWalkCallback callback, void* context)
|
{
|
FastAutoLock lock(&il2cpp::vm::g_MetadataLock);
|
|
for (SZArrayClassMap::iterator it = s_SZArrayClassMap.begin(); it != s_SZArrayClassMap.end(); it++)
|
{
|
callback(it->second, context);
|
}
|
}
|
|
void ArrayMetadata::WalkArrays(ArrayTypeWalkCallback callback, void* context)
|
{
|
FastAutoLock lock(&il2cpp::vm::g_MetadataLock);
|
|
for (ArrayClassMap::iterator it = s_ArrayClassMap.begin(); it != s_ArrayClassMap.end(); it++)
|
{
|
callback(it->second, context);
|
}
|
}
|
} /* namespace vm */
|
} /* namespace il2cpp */
|