1c30b88069
Always perform signature searches on an unaltered copy of the binary. This avoids signature mismatches if the same function is detoured twice and thus the first bytes of the function were replaced by the detour.
96 lines
3.0 KiB
C++
96 lines
3.0 KiB
C++
/**
|
|
* vim: set ts=4 sw=4 tw=99 noet :
|
|
* =============================================================================
|
|
* SourceMod
|
|
* Copyright (C) 2004-2011 AlliedModders LLC. All rights reserved.
|
|
* =============================================================================
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it under
|
|
* the terms of the GNU General Public License, version 3.0, as published by the
|
|
* Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
|
* details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* As a special exception, AlliedModders LLC gives you permission to link the
|
|
* code of this program (as well as its derivative works) to "Half-Life 2," the
|
|
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
|
|
* by the Valve Corporation. You must obey the GNU General Public License in
|
|
* all respects for all other code used. Additionally, AlliedModders LLC grants
|
|
* this exception to all derivative works. AlliedModders LLC defines further
|
|
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
|
|
* or <http://www.sourcemod.net/license.php>.
|
|
*/
|
|
|
|
#ifndef _INCLUDE_SOURCEMOD_MEMORYUTILS_H_
|
|
#define _INCLUDE_SOURCEMOD_MEMORYUTILS_H_
|
|
|
|
#include "common_logic.h"
|
|
#include <IMemoryUtils.h>
|
|
#include <am-hashmap.h>
|
|
#include <memory>
|
|
#if defined PLATFORM_LINUX || defined PLATFORM_APPLE
|
|
#include <sh_vector.h>
|
|
#include "sm_symtable.h"
|
|
|
|
using namespace SourceHook;
|
|
#endif
|
|
|
|
using namespace SourceMod;
|
|
|
|
#ifdef PLATFORM_APPLE
|
|
#include <CoreServices/CoreServices.h>
|
|
#endif
|
|
|
|
struct DynLibInfo
|
|
{
|
|
void *baseAddress;
|
|
size_t memorySize;
|
|
std::unique_ptr<char[]> originalCopy;
|
|
};
|
|
|
|
#if defined PLATFORM_LINUX || defined PLATFORM_APPLE
|
|
struct LibSymbolTable
|
|
{
|
|
SymbolTable table;
|
|
uintptr_t lib_base;
|
|
uint32_t last_pos;
|
|
};
|
|
#endif
|
|
|
|
class MemoryUtils :
|
|
public IMemoryUtils,
|
|
public SMGlobalClass
|
|
{
|
|
public:
|
|
MemoryUtils();
|
|
~MemoryUtils();
|
|
public: // SMGlobalClass
|
|
void OnSourceModAllInitialized();
|
|
public: // IMemoryUtils
|
|
void *FindPattern(const void *libPtr, const char *pattern, size_t len);
|
|
void *ResolveSymbol(void *handle, const char *symbol);
|
|
public:
|
|
const DynLibInfo *GetLibraryInfo(const void *libPtr);
|
|
#if defined PLATFORM_LINUX || defined PLATFORM_APPLE
|
|
private:
|
|
CVector<LibSymbolTable *> m_SymTables;
|
|
#ifdef PLATFORM_APPLE
|
|
struct dyld_all_image_infos *m_ImageList;
|
|
SInt32 m_OSXMajor;
|
|
SInt32 m_OSXMinor;
|
|
#endif
|
|
#endif
|
|
typedef ke::HashMap<void *, DynLibInfo, ke::PointerPolicy<void> > LibraryInfoMap;
|
|
LibraryInfoMap m_InfoMap;
|
|
};
|
|
|
|
extern MemoryUtils g_MemUtils;
|
|
|
|
#endif // _INCLUDE_SOURCEMOD_MEMORYUTILS_H_
|