86 lines
3.3 KiB
C++
86 lines
3.3 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) 2004-2009 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_INTERFACE_BINARYUTILS_H_
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#define _INCLUDE_SOURCEMOD_INTERFACE_BINARYUTILS_H_
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#include <IShareSys.h>
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#define SMINTERFACE_MEMORYUTILS_NAME "IMemoryUtils"
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#define SMINTERFACE_MEMORYUTILS_VERSION 2
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/**
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* @file IMemoryUtils.h
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* @brief Interface for finding patterns in memory.
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*/
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namespace SourceMod
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{
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class IMemoryUtils : public SMInterface
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{
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public:
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const char *GetInterfaceName()
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{
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return SMINTERFACE_MEMORYUTILS_NAME;
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}
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unsigned int GetInterfaceVersion()
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{
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return SMINTERFACE_MEMORYUTILS_VERSION;
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}
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public:
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/**
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* @brief Searches for a pattern of bytes within the memory of a dynamic library.
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*
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* @param libPtr Pointer to any chunk of memory that resides in the dynamic library.
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* @param pattern Pattern of bytes to search for. 0x2A can be used as a wildcard.
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* @param len Size of the pattern in bytes.
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* @return Pointer to pattern found in memory, NULL if not found.
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*/
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virtual void *FindPattern(const void *libPtr, const char *pattern, size_t len) =0;
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/**
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* @brief Retrieves a symbol pointer from a dynamic library.
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*
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* Note: On Linux and Mac OS X, this function is able to resolve symbols that are hidden
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* via GCC's -fvisibility=hidden option.
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*
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* Note: On Mac OS X, the symbol name should be passed without the prepended underscore,
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* as this is how dlsym() would expect it.
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*
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* @param handle Operating system specific handle that points to dynamic library.
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* This comes from dlopen() on Linux/OS X or LoadLibrary() on Windows.
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* @param symbol Symbol name.
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* @return Symbol pointer, or NULL if not found.
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*/
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virtual void *ResolveSymbol(void *handle, const char *symbol) =0;
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};
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}
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#endif // _INCLUDE_SOURCEMOD_INTERFACE_MEMORYUTILS_H_
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