98 lines
2.9 KiB
C++
98 lines
2.9 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) 2004-2011 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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#if defined(__linux__) || defined(__APPLE__)
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#include <stdint.h>
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#include <am-vector.h>
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#include <sm_symtable.h>
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#endif
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#if defined(__APPLE__)
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#include <CoreServices/CoreServices.h>
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#endif
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#if defined(WIN32)
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#include <windows.h>
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#endif
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#if defined _MSC_VER && _MSC_VER >= 1400
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#pragma warning (disable:4996) /* Disable deprecation warnings */
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#endif
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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(__linux__) || defined(__APPLE__)
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struct LibSymbolTable
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{
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SymbolTable table;
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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:
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void *DecodeAndFindPattern(const void *libPtr, const char *pattern);
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void *FindPattern(const void *libPtr, const char *pattern, size_t len);
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void *ResolveSymbol(void *handle, const char *symbol);
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public:
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bool GetLibraryInfo(const void *libPtr, DynLibInfo &lib);
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bool GetLibraryOfAddress(const void *libPtr, char *buffer, size_t maxlength, uintptr_t *base);
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public:
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size_t DecodeHexString(unsigned char *buffer, size_t maxlength, const char *hexstr);
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#if defined(__linux__) || defined(__APPLE__)
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private:
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ke::Vector<LibSymbolTable *> m_SymTables;
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#if defined(__APPLE__)
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struct dyld_all_image_infos *m_ImageList;
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SInt32 m_OSXMajor;
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SInt32 m_OSXMinor;
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#endif // __APPLE__
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#endif
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};
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extern MemoryUtils g_MemUtils;
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#endif // _INCLUDE_SOURCEMOD_MEMORYUTILS_H_
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