Function VMAllocateAlign

GPCS4/Platform/PlatMemory.cpp:126–168

}

void* VMAllocateAlign(void* pAddress, size_t nSize, size_t nAlign, 
	VM_ALLOCATION_TYPE nType, VM_PROTECT_FLAG nProtect)
{

#ifdef GPCS4_DEBUG
	// This make it easier to find a function a Ida Pro.
	// When aligned with debugAlign, the loaded image address
	// is exactly the same as it in Ida Pro.
	// For example, without this debug align,
	// a function address may be 0x00000002b0240e21,
	// but with this align, you can search for sub_240e21
	// in Ida directly.
	const uint32_t debugAlign = 0x10000000;
	nAlign                    = debugAlign;
#endif

	void* pAlignedAddr = nullptr;
	do
	{
		DWORD     dwProtect = GetProtectFlag(nProtect);
		void*     pAddr     = VirtualAlloc(pAddress, nSize, MEM_RESERVE, dwProtect);
		uintptr_t pRefAddr  = util::align((uintptr_t)pAddr, nAlign);

		if (pAddr)
		{
			VirtualFree(pAddr, 0, MEM_RELEASE);
		}
		else
		{
			break;
		}

		do
		{
			pAlignedAddr = VirtualAlloc((void*)pRefAddr, nSize, MEM_RESERVE | MEM_COMMIT, dwProtect);
			pRefAddr += nAlign;
		} while (pAlignedAddr == nullptr);

	} while (false);

	return pAlignedAddr;

}

void VMFree(void* pAddress)
{