mirror of https://github.com/x64dbg/zydis
126 lines
4.2 KiB
C++
126 lines
4.2 KiB
C++
/***************************************************************************************************
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Zyan Disassembler Engine
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Version 1.0
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Remarks : Freeware, Copyright must be included
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Original Author : Florian Bernd
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Modifications : Joel Höner
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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***************************************************************************************************/
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/**
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* @file
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* @brief Classes for symbol resolving in the disassembly.
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*/
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#ifndef _ZYDIS_SYMBOLRESOLVER_HPP_
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#define _ZYDIS_SYMBOLRESOLVER_HPP_
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#include <string>
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#include <unordered_map>
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#include "ZydisTypes.hpp"
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namespace Zydis
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{
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/* BaseSymbolResolver =========================================================================== */
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/**
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* @brief Base class for all symbol resolver implementations.
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*/
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class BaseSymbolResolver
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{
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public:
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/**
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* @brief Destructor.
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*/
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virtual ~BaseSymbolResolver();
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public:
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/**
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* @brief Resolves a symbol.
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* @param info The instruction info.
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* @param address The address.
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* @param offset Reference to an unsigned 64 bit integer that receives an offset
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* relative to the base address of the symbol.
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* @return The name of the symbol, if the symbol was found, @c NULL if not.
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*/
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virtual const char* resolveSymbol(const InstructionInfo& info, uint64_t address,
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uint64_t& offset);
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};
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/* ExactSymbolResolver ========================================================================== */
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/**
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* @brief Simple symbol resolver that only matches exact addresses.
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*/
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class ExactSymbolResolver : public BaseSymbolResolver
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{
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private:
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std::unordered_map<uint64_t, std::string> m_symbolMap;
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public:
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/**
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* @brief Destructor.
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*/
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~ExactSymbolResolver() override;
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public:
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/**
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* @brief Resolves a symbol.
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* @param info The instruction info.
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* @param address The address.
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* @param offset Reference to an unsigned 64 bit integer that receives an offset
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* relative to the base address of the symbol.
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* @return The name of the symbol, if the symbol was found, @c NULL if not.
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*/
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const char* resolveSymbol(const InstructionInfo& info, uint64_t address,
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uint64_t& offset) override;
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public:
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/**
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* @brief Query if the given address is a known symbol.
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* @param address The address.
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* @return True if the address is known, false if not.
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*/
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bool containsSymbol(uint64_t address) const;
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/**
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* @brief Adds or changes a symbol.
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* @param address The address.
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* @param name The symbol name.
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*/
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void setSymbol(uint64_t address, const char* name);
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/**
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* @brief Removes the symbol described by address. This will invalidate all char pointers
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* to the specific symbol name.
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* @param address The address.
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*/
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void removeSymbol(uint64_t address);
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/**
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* @brief Clears the symbol tree.
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*/
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void clear();
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};
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/* ============================================================================================== */
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}
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#endif /* _ZYDIS_SYMBOLRESOLVER_HPP_ */
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