15460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao//===- X86LDBackend.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 X86_LDBACKEND_H 105460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#define X86_LDBACKEND_H 115460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 125460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include "X86ELFDynamic.h" 135460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include "X86GOT.h" 14affc150dc44fab1911775a49636d0ce85333b634Zonr Chang#include "X86GOTPLT.h" 155460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include "X86PLT.h" 165460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include <mcld/LD/LDSection.h> 175460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include <mcld/Target/GNULDBackend.h> 185460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include <mcld/Target/OutputRelocSection.h> 195460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 205460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaonamespace mcld { 215460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 225460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao//===----------------------------------------------------------------------===// 235460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao/// X86GNULDBackend - linker backend of X86 target of GNU ELF format 245460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao/// 255460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaoclass X86GNULDBackend : public GNULDBackend 265460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 275460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaopublic: 285460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /** \enum ReservedEntryType 295460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * \brief The reserved entry type of reserved space in ResolveInfo. 305460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * 315460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * This is used for sacnRelocation to record what kinds of entries are 325460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * reserved for this resolved symbol 335460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * 345460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * In X86, there are three kinds of entries, GOT, PLT, and dynamic reloction. 355460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * GOT may needs a corresponding relocation to relocate itself, so we 365460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * separate GOT to two situations: GOT and GOTRel. Besides, for the same 375460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * symbol, there might be two kinds of entries reserved for different location. 385460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * For example, reference to the same symbol, one may use GOT and the other may 395460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * use dynamic relocation. 405460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * 415460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * bit: 3 2 1 0 425460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * | PLT | GOTRel | GOT | Rel | 435460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * 445460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * value Name - Description 455460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * 465460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * 0000 None - no reserved entry 475460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * 0001 ReserveRel - reserve an dynamic relocation entry 485460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * 0010 ReserveGOT - reserve an GOT entry 495460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * 0011 GOTandRel - For different relocation, we've reserved GOT and 505460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * Rel for different location. 515460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * 0100 GOTRel - reserve an GOT entry and the corresponding Dyncamic 525460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * relocation entry which relocate this GOT entry 535460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * 0101 GOTRelandRel - For different relocation, we've reserved GOTRel 545460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * and relocation entry for different location. 555460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * 1000 ReservePLT - reserve an PLT entry and the corresponding GOT, 565460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * Dynamic relocation entries 575460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * 1001 PLTandRel - For different relocation, we've reserved PLT and 585460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao * Rel for different location. 595460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao */ 605460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao enum ReservedEntryType { 615460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao None = 0, 625460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ReserveRel = 1, 635460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ReserveGOT = 2, 645460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao GOTandRel = 3, 655460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao GOTRel = 4, 665460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao GOTRelandRel = 5, 675460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ReservePLT = 8, 685460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao PLTandRel = 9 695460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao }; 705460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 715460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao X86GNULDBackend(); 725460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 735460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ~X86GNULDBackend(); 745460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 755460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao RelocationFactory* getRelocFactory(); 765460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 775460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint32_t machine() const; 785460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 795460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao bool isLittleEndian() const 805460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao { return true; } 815460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 825460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao X86GOT& getGOT(); 835460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 845460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const X86GOT& getGOT() const; 855460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 86affc150dc44fab1911775a49636d0ce85333b634Zonr Chang X86GOTPLT& getGOTPLT(); 87affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 88affc150dc44fab1911775a49636d0ce85333b634Zonr Chang const X86GOTPLT& getGOTPLT() const; 89affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 905460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao X86PLT& getPLT(); 915460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 925460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const X86PLT& getPLT() const; 935460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 945460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao unsigned int bitclass() const; 955460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 965460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// preLayout - Backend can do any needed modification before layout 975460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao void doPreLayout(const Output& pOutput, 985460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const MCLDInfo& pInfo, 995460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao MCLinker& pLinker); 1005460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1015460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// postLayout -Backend can do any needed modification after layout 1025460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao void doPostLayout(const Output& pOutput, 1035460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const MCLDInfo& pInfo, 1045460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao MCLinker& pLinker); 1055460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1065460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// dynamic - the dynamic section of the target machine. 1075460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// Use co-variant return type to return its own dynamic section. 1085460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao X86ELFDynamic& dynamic(); 1095460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1105460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// dynamic - the dynamic section of the target machine. 1115460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// Use co-variant return type to return its own dynamic section. 1125460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const X86ELFDynamic& dynamic() const; 1135460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1145460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// emitSectionData - write out the section data into the memory region. 1155460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// When writers get a LDSection whose kind is LDFileFormat::Target, writers 1165460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// call back target backend to emit the data. 1175460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// 1185460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// Backends handle the target-special tables (plt, gp,...) by themselves. 1195460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// Backend can put the data of the tables in MCSectionData directly 1205460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// - LDSection.getSectionData can get the section data. 1215460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// Or, backend can put the data into special data structure 1225460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// - backend can maintain its own map<LDSection, table> to get the table 1235460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// from given LDSection. 1245460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// 1255460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// @param pOutput - the output file 1265460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// @param pSection - the given LDSection 1275460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// @param pInfo - all options in the command line. 128affc150dc44fab1911775a49636d0ce85333b634Zonr Chang /// @param pLayout - for comouting the size of fragment 1295460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// @param pRegion - the region to write out data 1305460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// @return the size of the table in the file. 1315460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint64_t emitSectionData(const Output& pOutput, 1325460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const LDSection& pSection, 1335460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const MCLDInfo& pInfo, 134affc150dc44fab1911775a49636d0ce85333b634Zonr Chang const Layout& pLayout, 1355460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao MemoryRegion& pRegion) const; 1365460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1375460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// OSABI - the value of e_ident[EI_OSABI] 1385460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// FIXME 1395460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint8_t OSABI() const 1405460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao { return llvm::ELF::ELFOSABI_NONE; } 1415460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1425460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// ABIVersion - the value of e_ident[EI_ABIVRESION] 1435460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// FIXME 1445460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint8_t ABIVersion() const 1455460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao { return 0x0; } 1465460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1475460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// flags - the value of ElfXX_Ehdr::e_flags 1485460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// FIXME 1495460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint64_t flags() const 1505460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao { return 0x0; } 1515460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 152affc150dc44fab1911775a49636d0ce85333b634Zonr Chang uint64_t defaultTextSegmentAddr() const 153affc150dc44fab1911775a49636d0ce85333b634Zonr Chang { return 0x08048000; } 154affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 1555460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// initTargetSectionMap - initialize target dependent section mapping 1565460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao bool initTargetSectionMap(SectionMap& pSectionMap); 1575460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1585460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // initRelocFactory - create and initialize RelocationFactory 1595460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao bool initRelocFactory(const MCLinker& pLinker); 1605460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1615460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao void initTargetSections(MCLinker& pLinker); 1625460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 163affc150dc44fab1911775a49636d0ce85333b634Zonr Chang void initTargetSymbols(MCLinker& pLinker, const Output& pOutput); 1645460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1655460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// scanRelocation - determine the empty entries are needed or not and create 1665460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// the empty entries if needed. 1675460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// For X86, following entries are check to create: 1685460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// - GOT entry (for .got and .got.plt sections) 1695460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// - PLT entry (for .plt section) 1705460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// - dynamin relocation entries (for .rel.plt and .rel.dyn sections) 1715460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao void scanRelocation(Relocation& pReloc, 1725460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const LDSymbol& pInputSym, 1735460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao MCLinker& pLinker, 1745460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const MCLDInfo& pLDInfo, 175affc150dc44fab1911775a49636d0ce85333b634Zonr Chang const Output& pOutput, 176affc150dc44fab1911775a49636d0ce85333b634Zonr Chang const LDSection& pSection); 1775460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1785460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao OutputRelocSection& getRelDyn(); 1795460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1805460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const OutputRelocSection& getRelDyn() const; 1815460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1825460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao OutputRelocSection& getRelPLT(); 1835460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1845460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const OutputRelocSection& getRelPLT() const; 1855460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1865460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// getTargetSectionOrder - compute the layout order of X86 target sections 1875460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao unsigned int getTargetSectionOrder(const Output& pOutput, 188affc150dc44fab1911775a49636d0ce85333b634Zonr Chang const LDSection& pSectHdr, 189affc150dc44fab1911775a49636d0ce85333b634Zonr Chang const MCLDInfo& pInfo) const; 1905460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 191affc150dc44fab1911775a49636d0ce85333b634Zonr Chang /// finalizeTargetSymbols - finalize the symbol value 192affc150dc44fab1911775a49636d0ce85333b634Zonr Chang bool finalizeTargetSymbols(MCLinker& pLinker, const Output& pOutput); 1935460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1945460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaoprivate: 1955460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao void scanLocalReloc(Relocation& pReloc, 1965460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const LDSymbol& pInputSym, 1975460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao MCLinker& pLinker, 1985460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const MCLDInfo& pLDInfo, 1995460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const Output& pOutput); 2005460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2015460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao void scanGlobalReloc(Relocation& pReloc, 2025460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const LDSymbol& pInputSym, 2035460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao MCLinker& pLinker, 2045460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const MCLDInfo& pLDInfo, 2055460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const Output& pOutput); 2065460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 207affc150dc44fab1911775a49636d0ce85333b634Zonr Chang /// addCopyReloc - add a copy relocation into .rel.dyn for pSym 208affc150dc44fab1911775a49636d0ce85333b634Zonr Chang /// @param pSym - A resolved copy symbol that defined in BSS section 209affc150dc44fab1911775a49636d0ce85333b634Zonr Chang void addCopyReloc(ResolveInfo& pSym); 2105460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 211affc150dc44fab1911775a49636d0ce85333b634Zonr Chang /// defineSymbolforCopyReloc - allocate a space in BSS section and 212affc150dc44fab1911775a49636d0ce85333b634Zonr Chang /// and force define the copy of pSym to BSS section 213affc150dc44fab1911775a49636d0ce85333b634Zonr Chang /// @return the output LDSymbol of the copy symbol 214affc150dc44fab1911775a49636d0ce85333b634Zonr Chang LDSymbol& defineSymbolforCopyReloc(MCLinker& pLinker, 215affc150dc44fab1911775a49636d0ce85333b634Zonr Chang const ResolveInfo& pSym); 2165460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2175460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao void updateAddend(Relocation& pReloc, 2185460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const LDSymbol& pInputSym, 2195460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao const Layout& pLayout) const; 2205460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2215460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao void createX86GOT(MCLinker& pLinker, const Output& pOutput); 222affc150dc44fab1911775a49636d0ce85333b634Zonr Chang void createX86GOTPLT(MCLinker& pLinker, const Output& pOutput); 2235460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao void createX86PLTandRelPLT(MCLinker& pLinker, const Output& pOutput); 2245460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao void createX86RelDyn(MCLinker& pLinker, const Output& pOutput); 2255460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2265460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaoprivate: 2275460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao RelocationFactory* m_pRelocFactory; 2285460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao X86GOT* m_pGOT; 2295460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao X86PLT* m_pPLT; 230affc150dc44fab1911775a49636d0ce85333b634Zonr Chang X86GOTPLT* m_pGOTPLT; 2315460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// m_RelDyn - dynamic relocation table of .rel.dyn 2325460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao OutputRelocSection* m_pRelDyn; 2335460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao /// m_RelPLT - dynamic relocation table of .rel.plt 2345460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao OutputRelocSection* m_pRelPLT; 2355460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2365460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao X86ELFDynamic* m_pDynamic; 2375460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao LDSymbol* m_pGOTSymbol; 2385460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao}; 2395460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2405460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao//===----------------------------------------------------------------------===// 2415460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao/// X86MachOLDBackend - linker backend of X86 target of MachO format 2425460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao/// 2435460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao/** 2445460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaoclass X86MachOLDBackend : public DarwinX86LDBackend 2455460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 2465460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaopublic: 2475460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao X86MachOLDBackend(); 2485460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ~X86MachOLDBackend(); 2495460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2505460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaoprivate: 2515460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao MCMachOTargetArchiveReader *createTargetArchiveReader() const; 2525460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao MCMachOTargetObjectReader *createTargetObjectReader() const; 2535460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao MCMachOTargetObjectWriter *createTargetObjectWriter() const; 2545460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2555460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao}; 2565460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao**/ 2575460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} // namespace of mcld 2585460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2595460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#endif 260affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 261