#include "il2cpp-config.h"
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#include "os/Memory.h"
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#include "utils/Memory.h"
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#include <string>
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namespace il2cpp
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{
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namespace utils
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{
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struct MonoMemoryCallbacks
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{
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int version;
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void *(*malloc_func)(size_t size);
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void *(*realloc_func)(void *mem, size_t count);
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void(*free_func)(void *mem);
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void *(*calloc_func)(size_t count, size_t size);
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};
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extern "C"
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{
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int32_t mono_set_allocator_vtable(MonoMemoryCallbacks* callbacks);
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}
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static MonoMemoryCallbacks s_MonoCallbacks =
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{
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1, //MONO_ALLOCATOR_VTABLE_VERSION
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NULL,
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NULL,
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NULL,
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NULL
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};
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static Il2CppMemoryCallbacks s_Callbacks =
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{
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malloc,
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os::Memory::AlignedAlloc,
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free,
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os::Memory::AlignedFree,
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calloc,
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realloc,
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os::Memory::AlignedReAlloc
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};
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void Memory::SetMemoryCallbacks(Il2CppMemoryCallbacks* callbacks)
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{
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memcpy(&s_Callbacks, callbacks, sizeof(Il2CppMemoryCallbacks));
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#if IL2CPP_MONO_DEBUGGER
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// The debugger uses Mono code, so we need to remap the callbacks
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// for Mono allocations and frees to the same ones IL2CPP is using.
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s_MonoCallbacks.malloc_func = callbacks->malloc_func;
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s_MonoCallbacks.realloc_func = callbacks->realloc_func;
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s_MonoCallbacks.free_func = callbacks->free_func;
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s_MonoCallbacks.calloc_func = callbacks->calloc_func;
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int32_t installed = mono_set_allocator_vtable(&s_MonoCallbacks);
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IL2CPP_ASSERT(installed != 0);
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NO_UNUSED_WARNING(installed);
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#endif
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}
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void* Memory::Malloc(size_t size)
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{
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return s_Callbacks.malloc_func(size);
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}
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void* Memory::AlignedMalloc(size_t size, size_t alignment)
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{
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return s_Callbacks.aligned_malloc_func(size, alignment);
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}
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void Memory::Free(void* memory)
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{
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return s_Callbacks.free_func(memory);
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}
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void Memory::AlignedFree(void* memory)
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{
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return s_Callbacks.aligned_free_func(memory);
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}
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void* Memory::Calloc(size_t count, size_t size)
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{
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return s_Callbacks.calloc_func(count, size);
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}
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void* Memory::Realloc(void* memory, size_t newSize)
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{
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return s_Callbacks.realloc_func(memory, newSize);
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}
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void* Memory::AlignedRealloc(void* memory, size_t newSize, size_t alignment)
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{
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return s_Callbacks.aligned_realloc_func(memory, newSize, alignment);
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}
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} /* namespace utils */
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} /* namespace il2cpp */
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