amxmodx/public/memtools/MemoryUtils.h

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/**
* 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_
#if defined(__linux__) || defined(__APPLE__)
#include <stdint.h>
#include <am-vector.h>
#include <sm_symtable.h>
#endif
#if defined(__APPLE__)
#include <CoreServices/CoreServices.h>
#endif
#if defined(WIN32)
#include <windows.h>
#endif
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#if defined _MSC_VER && _MSC_VER >= 1400
#pragma warning (disable:4996) /* Disable deprecation warnings */
#endif
struct DynLibInfo
{
void *baseAddress;
size_t memorySize;
};
#if defined(__linux__) || defined(__APPLE__)
struct LibSymbolTable
{
SymbolTable table;
uintptr_t lib_base;
uint32_t last_pos;
};
#endif
class MemoryUtils
{
public:
MemoryUtils();
~MemoryUtils();
public:
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void *DecodeAndFindPattern(const void *libPtr, const char *pattern);
void *FindPattern(const void *libPtr, const char *pattern, size_t len);
void *ResolveSymbol(void *handle, const char *symbol);
public:
bool GetLibraryInfo(const void *libPtr, DynLibInfo &lib);
bool GetLibraryOfAddress(const void *libPtr, char *buffer, size_t maxlength, uintptr_t *base);
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public:
size_t DecodeHexString(unsigned char *buffer, size_t maxlength, const char *hexstr);
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size_t Format(char *buffer, size_t maxlength, const char *fmt, ...);
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#if defined(__linux__) || defined(__APPLE__)
private:
ke::Vector<LibSymbolTable *> m_SymTables;
#if defined(__APPLE__)
struct dyld_all_image_infos *m_ImageList;
SInt32 m_OSXMajor;
SInt32 m_OSXMinor;
#endif // __APPLE__
#endif
};
extern MemoryUtils g_MemUtils;
#endif // _INCLUDE_SOURCEMOD_MEMORYUTILS_H_