2025-07-03 12:53:49 +04:00

74 lines
2.3 KiB
C++

#include "il2cpp-config.h"
#include "MetadataAlloc.h"
#include "il2cpp-class-internals.h"
#include "utils/MemoryPool.h"
#if IL2CPP_SANITIZE_ADDRESS
#include "utils/MemoryPoolAddressSanitizer.h"
#endif
namespace il2cpp
{
namespace vm
{
#if IL2CPP_SANITIZE_ADDRESS
typedef utils::MemoryPoolAddressSanitizer MemoryPoolType;
#else
typedef utils::MemoryPool MemoryPoolType;
#endif
// we allocate these dynamically on runtime initialization
// because the pool uses standard allocators, and we want to give embedding
// client the chance to install their own allocator callbacks
static MemoryPoolType* s_MetadataMemoryPool;
static MemoryPoolType* s_GenericClassMemoryPool;
static MemoryPoolType* s_GenericMethodMemoryPool;
// This initial size (256k/512k) allows us enough room to initialize metadata
// an empty Unity project and have a bit of room leftover.
const size_t kInitialRegionSize = IL2CPP_SIZEOF_VOID_P * 64 * 1024;
void MetadataAllocInitialize()
{
#if IL2CPP_SANITIZE_ADDRESS
s_MetadataMemoryPool = new utils::MemoryPoolAddressSanitizer(kInitialRegionSize);
s_GenericClassMemoryPool = new utils::MemoryPoolAddressSanitizer();
s_GenericMethodMemoryPool = new utils::MemoryPoolAddressSanitizer();
#else
s_MetadataMemoryPool = new utils::MemoryPool(kInitialRegionSize);
// these can use the default smaller initial pool size
s_GenericClassMemoryPool = new utils::MemoryPool();
s_GenericMethodMemoryPool = new utils::MemoryPool();
#endif
}
void MetadataAllocCleanup()
{
delete s_MetadataMemoryPool;
s_MetadataMemoryPool = NULL;
delete s_GenericClassMemoryPool;
s_GenericClassMemoryPool = NULL;
delete s_GenericMethodMemoryPool;
s_GenericMethodMemoryPool = NULL;
}
void* MetadataMalloc(size_t size)
{
return s_MetadataMemoryPool->Malloc(size);
}
void* MetadataCalloc(size_t count, size_t size)
{
return s_MetadataMemoryPool->Calloc(count, size);
}
Il2CppGenericClass* MetadataAllocGenericClass()
{
return (Il2CppGenericClass*)s_GenericClassMemoryPool->Calloc(1, sizeof(Il2CppGenericClass));
}
Il2CppGenericMethod* MetadataAllocGenericMethod()
{
return (Il2CppGenericMethod*)s_GenericMethodMemoryPool->Calloc(1, sizeof(Il2CppGenericMethod));
}
}
}