83 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/**
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 * vim: set ts=4 sw=4 tw=99 noet :
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 * =============================================================================
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 * SourceMod
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 * Copyright (C) 2004-2010 AlliedModders LLC.  All rights reserved.
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 * =============================================================================
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 *
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 * This program is free software; you can redistribute it and/or modify it under
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 * the terms of the GNU General Public License, version 3.0, as published by the
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 * Free Software Foundation.
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 * 
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 * This program is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
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 * details.
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 *
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 * You should have received a copy of the GNU General Public License along with
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 * this program.  If not, see <http://www.gnu.org/licenses/>.
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 *
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 * As a special exception, AlliedModders LLC gives you permission to link the
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 * code of this program (as well as its derivative works) to "Half-Life 2," the
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 * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
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 * by the Valve Corporation.  You must obey the GNU General Public License in
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 * all respects for all other code used.  Additionally, AlliedModders LLC grants
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 * this exception to all derivative works.  AlliedModders LLC defines further
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 * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
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 * or <http://www.sourcemod.net/license.php>.
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 */
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#ifndef _INCLUDE_SOURCEMOD_MEMORYUTILS_H_
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#define _INCLUDE_SOURCEMOD_MEMORYUTILS_H_
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#include <IMemoryUtils.h>
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#include <string.h>
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#include <vector>
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#if defined PLATFORM_LINUX || defined PLATFORM_APPLE
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#include "sm_symtable.h"
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#include <unistd.h>
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#endif
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using namespace SourceMod;
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using std::vector;
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struct DynLibInfo
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{
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	void *baseAddress;
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	size_t memorySize;
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};
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#if defined PLATFORM_LINUX || defined PLATFORM_APPLE
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struct LibSymbolTable
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{
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	SymbolTable table;
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	AddrTable table2;
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	uintptr_t lib_base;
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	uint32_t last_pos;
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};
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#endif
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class MemoryUtils
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{
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public:
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	MemoryUtils();
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	~MemoryUtils();
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public: // IMemoryUtils
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	void *FindPattern(const void *libPtr, const char *pattern, size_t len, int &matches, bool &atFuncStart);
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	void *ResolveSymbol(void *handle, const char *symbol);
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	const char *ResolveAddr(void *handle, void *addr);
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public:
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	void *FindPatternInFile(int fd, const char *pattern, size_t len, int &matches, bool &atFuncStart);
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	bool GetLibraryInfo(const void *libPtr, DynLibInfo &lib);
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#if defined PLATFORM_LINUX || defined PLATFORM_APPLE
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private:
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	vector<LibSymbolTable *> m_SymTables;
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#ifdef PLATFORM_APPLE
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	struct dyld_all_image_infos *m_ImageList;
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#endif
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#endif
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};
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#endif // _INCLUDE_SOURCEMOD_MEMORYUTILS_H_
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