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@ -28,9 +28,9 @@ |
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void* AllocateExecutableMemory(size_t size, bool low) |
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void* AllocateExecutableMemory(size_t size, bool low) |
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{ |
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{ |
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#if defined(_WIN32)
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#if defined(_WIN32)
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void* ptr = VirtualAlloc(0, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE); |
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void* ptr = VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_EXECUTE_READWRITE); |
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#else
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#else
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static char *map_hint = 0; |
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static char* map_hint = nullptr; |
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#if defined(ARCHITECTURE_X64) && !defined(MAP_32BIT)
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#if defined(ARCHITECTURE_X64) && !defined(MAP_32BIT)
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// This OS has no flag to enforce allocation below the 4 GB boundary,
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// This OS has no flag to enforce allocation below the 4 GB boundary,
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// but if we hint that we want a low address it is very likely we will
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// but if we hint that we want a low address it is very likely we will
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@ -49,9 +49,6 @@ void* AllocateExecutableMemory(size_t size, bool low) |
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, -1, 0); |
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, -1, 0); |
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#endif /* defined(_WIN32) */
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#endif /* defined(_WIN32) */
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// printf("Mapped executable memory at %p (size %ld)\n", ptr,
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// (unsigned long)size);
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#ifdef _WIN32
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#ifdef _WIN32
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if (ptr == nullptr) |
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if (ptr == nullptr) |
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{ |
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{ |
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@ -69,7 +66,6 @@ void* AllocateExecutableMemory(size_t size, bool low) |
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{ |
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{ |
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map_hint += size; |
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map_hint += size; |
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map_hint = (char*)round_page(map_hint); /* round up to the next page */ |
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map_hint = (char*)round_page(map_hint); /* round up to the next page */ |
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// printf("Next map will (hopefully) be at %p\n", map_hint);
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} |
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} |
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} |
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} |
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#endif
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#endif
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@ -85,18 +81,15 @@ void* AllocateExecutableMemory(size_t size, bool low) |
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void* AllocateMemoryPages(size_t size) |
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void* AllocateMemoryPages(size_t size) |
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{ |
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{ |
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#ifdef _WIN32
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#ifdef _WIN32
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void* ptr = VirtualAlloc(0, size, MEM_COMMIT, PAGE_READWRITE); |
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void* ptr = VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_READWRITE); |
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#else
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#else
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void* ptr = mmap(0, size, PROT_READ | PROT_WRITE, |
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void* ptr = mmap(nullptr, size, PROT_READ | PROT_WRITE, |
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MAP_ANON | MAP_PRIVATE, -1, 0); |
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MAP_ANON | MAP_PRIVATE, -1, 0); |
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if (ptr == MAP_FAILED) |
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if (ptr == MAP_FAILED) |
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ptr = nullptr; |
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ptr = nullptr; |
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#endif
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#endif
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// printf("Mapped memory at %p (size %ld)\n", ptr,
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// (unsigned long)size);
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if (ptr == nullptr) |
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if (ptr == nullptr) |
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LOG_ERROR(Common_Memory, "Failed to allocate raw memory"); |
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LOG_ERROR(Common_Memory, "Failed to allocate raw memory"); |
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@ -117,9 +110,6 @@ void* AllocateAlignedMemory(size_t size,size_t alignment) |
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#endif
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#endif
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#endif
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#endif
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// printf("Mapped memory at %p (size %ld)\n", ptr,
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// (unsigned long)size);
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if (ptr == nullptr) |
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if (ptr == nullptr) |
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LOG_ERROR(Common_Memory, "Failed to allocate aligned memory"); |
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LOG_ERROR(Common_Memory, "Failed to allocate aligned memory"); |
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@ -131,11 +121,8 @@ void FreeMemoryPages(void* ptr, size_t size) |
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if (ptr) |
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if (ptr) |
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{ |
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{ |
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#ifdef _WIN32
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#ifdef _WIN32
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if (!VirtualFree(ptr, 0, MEM_RELEASE)) |
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if (!VirtualFree(ptr, 0, MEM_RELEASE)) |
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LOG_ERROR(Common_Memory, "FreeMemoryPages failed!\n%s", GetLastErrorMsg()); |
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LOG_ERROR(Common_Memory, "FreeMemoryPages failed!\n%s", GetLastErrorMsg()); |
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ptr = nullptr; // Is this our responsibility?
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#else
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#else
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munmap(ptr, size); |
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munmap(ptr, size); |
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#endif
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#endif
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