/**

  * vim: set ts=4 sw=4 tw=99 noet :

  * =============================================================================

  * SourceMod

  * Copyright (C) 2004-2000 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 <IMemoryUtils.h>

 #include "sm_globals.h"

 #ifdef PLATFORM_LINUX

 #include <sh_vector.h>

 #include "sm_symtable.h"

 using namespace SourceHook;

 #endif

 using namespace SourceMod;

 struct DynLibInfo

 {

 	void *baseAddress;

 	size_t memorySize;

 };

 #ifdef PLATFORM_LINUX

 typedef uint32_t Elf32_Addr;

 struct LibSymbolTable

 {

 	SymbolTable table;

 	Elf32_Addr lib_base;

 	uint32_t last_pos;

 };

 #endif

 class MemoryUtils : 

 	public IMemoryUtils,

 	public SMGlobalClass

 {

 public:

 	~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:

 	bool GetLibraryInfo(const void *libPtr, DynLibInfo &lib);

 #ifdef PLATFORM_LINUX

 private:

 	CVector<LibSymbolTable *> m_SymTables;

 #endif

 };

 extern MemoryUtils g_MemUtils;

 #endif // _INCLUDE_SOURCEMOD_MEMORYUTILS_H_