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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include <zenbase/zenbase.h>
#if ZEN_PLATFORM_WINDOWS && !defined(PLATFORM_SUPPORTS_TRACE_WIN32_VIRTUAL_MEMORY_HOOKS)
# define PLATFORM_SUPPORTS_TRACE_WIN32_VIRTUAL_MEMORY_HOOKS 1
#endif
#ifndef PLATFORM_SUPPORTS_TRACE_WIN32_VIRTUAL_MEMORY_HOOKS
# define PLATFORM_SUPPORTS_TRACE_WIN32_VIRTUAL_MEMORY_HOOKS 0
#endif
#if PLATFORM_SUPPORTS_TRACE_WIN32_VIRTUAL_MEMORY_HOOKS
# include <zencore/windows.h>
namespace zen {
class FVirtualWinApiHooks
{
public:
static void Initialize(bool bInLight);
private:
FVirtualWinApiHooks();
static bool bLight;
static LPVOID WINAPI VmAlloc(LPVOID Address, SIZE_T Size, DWORD Type, DWORD Protect);
static LPVOID WINAPI VmAllocEx(HANDLE Process, LPVOID Address, SIZE_T Size, DWORD Type, DWORD Protect);
# if (NTDDI_VERSION >= NTDDI_WIN10_RS4)
static PVOID WINAPI VmAlloc2(HANDLE Process,
PVOID BaseAddress,
SIZE_T Size,
ULONG AllocationType,
ULONG PageProtection,
MEM_EXTENDED_PARAMETER* ExtendedParameters,
ULONG ParameterCount);
static PVOID(WINAPI* VmAlloc2Orig)(HANDLE, PVOID, SIZE_T, ULONG, ULONG, MEM_EXTENDED_PARAMETER*, ULONG);
typedef PVOID(__stdcall* FnVirtualAlloc2)(HANDLE, PVOID, SIZE_T, ULONG, ULONG, MEM_EXTENDED_PARAMETER*, ULONG);
# else
static LPVOID WINAPI VmAlloc2(HANDLE Process,
LPVOID BaseAddress,
SIZE_T Size,
ULONG AllocationType,
ULONG PageProtection,
void* ExtendedParameters,
ULONG ParameterCount);
static LPVOID(WINAPI* VmAlloc2Orig)(HANDLE, LPVOID, SIZE_T, ULONG, ULONG, /*MEM_EXTENDED_PARAMETER* */ void*, ULONG);
typedef LPVOID(__stdcall* FnVirtualAlloc2)(HANDLE, LPVOID, SIZE_T, ULONG, ULONG, /* MEM_EXTENDED_PARAMETER* */ void*, ULONG);
# endif
static BOOL WINAPI VmFree(LPVOID Address, SIZE_T Size, DWORD Type);
static BOOL WINAPI VmFreeEx(HANDLE Process, LPVOID Address, SIZE_T Size, DWORD Type);
static LPVOID(WINAPI* VmAllocOrig)(LPVOID, SIZE_T, DWORD, DWORD);
static LPVOID(WINAPI* VmAllocExOrig)(HANDLE, LPVOID, SIZE_T, DWORD, DWORD);
static BOOL(WINAPI* VmFreeOrig)(LPVOID, SIZE_T, DWORD);
static BOOL(WINAPI* VmFreeExOrig)(HANDLE, LPVOID, SIZE_T, DWORD);
};
} // namespace zen
#endif
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