15460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao//===- SectionMap.h -------------------------------------------------------===// 25460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// 35460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// The MCLinker Project 45460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// 55460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// This file is distributed under the University of Illinois Open Source 65460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// License. See LICENSE.TXT for details. 75460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// 85460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao//===----------------------------------------------------------------------===// 95460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#ifndef MCLD_SECTION_MAP_H 105460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#define MCLD_SECTION_MAP_H 115460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#ifdef ENABLE_UNITTEST 125460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include <gtest.h> 135460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#endif 145460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 155460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include <llvm/Support/DataTypes.h> 165460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include <vector> 175460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include <string> 185460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 195460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaonamespace mcld 205460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 215460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 225460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao/** \class SectionMap 235460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * \brief descirbe the mappings of input section's name (or prefix) to 245460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * its associated output section's name and offset 255460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao */ 265460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaoclass SectionMap 275460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 285460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaopublic: 295460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // a mapping in SectionMap is the triple of 305460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // {input substr, output section's name, output section's offset} 315460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao struct Mapping { 325460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao std::string inputSubStr; 335460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao std::string outputStr; 345460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao }; 355460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 365460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao typedef std::vector<struct Mapping> SectionMappingTy; 375460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 385460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao typedef SectionMappingTy::iterator iterator; 395460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao typedef SectionMappingTy::const_iterator const_iterator; 405460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 415460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaopublic: 425460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao SectionMap(); 435460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ~SectionMap(); 445460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 455460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // get the possible output section name based on the mapping table 465460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // return NULL if not found 475460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const std::string& getOutputSectName(const std::string& pInput); 485460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 495460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // add a mapping from input substr to output name and offset. 505460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao bool push_back(const std::string& pInput, 51affc150dc44fab1911775a49636d0ce85333b634Zonr Chang const std::string& pOutput); 525460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 535460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // find - return the iterator to the mapping 545460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao iterator find(const std::string& pInput); 555460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 565460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // at - return the pointer to the mapping 575460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao Mapping* at(const std::string& pInput); 585460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 595460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // ----- observers ----- // 605460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao bool empty() const 615460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao { return m_SectMap.empty(); } 625460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 635460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao size_t size() const 645460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao { return m_SectMap.size(); } 655460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 665460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao size_t capacity () const 675460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao { return m_SectMap.capacity(); } 685460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 695460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // ----- iterators ----- // 705460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao iterator begin() 715460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao { return m_SectMap.begin(); } 725460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 735460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao iterator end() 745460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao { return m_SectMap.end(); } 755460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 765460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const_iterator begin() const 775460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao { return m_SectMap.begin(); } 785460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 795460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const_iterator end() const 805460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao { return m_SectMap.end(); } 815460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 825460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // initStdSectionMap - add common mappings of ELF and other formats 835460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // to SectionMap 845460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao bool initStdSectionMap(); 855460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 865460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaoprivate: 875460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao struct SectionNameMapping { 885460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const char* from; 895460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const char* to; 905460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao }; 915460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 925460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // used to store common mappings of ELF and other formants 935460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao static const SectionNameMapping m_StdSectionMap[]; 945460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 955460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao static const int m_StdSectionMapSize; 965460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 975460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao SectionMappingTy m_SectMap; 985460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao}; 995460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1005460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} // namespace of mcld 1015460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1025460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#endif 103affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 104