X86PLT.cpp revision affc150dc44fab1911775a49636d0ce85333b634
15460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao//===- X86PLT.cpp -----------------------------------------------------------===// 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//===----------------------------------------------------------------------===// 9affc150dc44fab1911775a49636d0ce85333b634Zonr Chang#include "X86GOTPLT.h" 105460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include "X86PLT.h" 115460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include <llvm/Support/raw_ostream.h> 125460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include <llvm/Support/ELF.h> 135460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include <mcld/MC/MCLDOutput.h> 14affc150dc44fab1911775a49636d0ce85333b634Zonr Chang#include <mcld/Support/MsgHandling.h> 155460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include <new> 165460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 175460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaonamespace { 185460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 195460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaoconst uint8_t x86_dyn_plt0[] = { 20affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 0xff, 0xb3, 0x04, 0, 0, 0, // pushl 0x4(%ebx) 21affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 0xff, 0xa3, 0x08, 0, 0, 0, // jmp *0x8(%ebx) 22affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 0x0f, 0x1f, 0x4, 0 // nopl 0(%eax) 235460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao}; 245460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 255460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaoconst uint8_t x86_dyn_plt1[] = { 26affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 0xff, 0xa3, 0, 0, 0, 0, // jmp *sym@GOT(%ebx) 27affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 0x68, 0, 0, 0, 0, // pushl $offset 28affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 0xe9, 0, 0, 0, 0 // jmp plt0 295460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao}; 305460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 315460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaoconst uint8_t x86_exec_plt0[] = { 32affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 0xff, 0x35, 0, 0, 0, 0, // pushl .got + 4 33affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 0xff, 0x25, 0, 0, 0, 0, // jmp *(.got + 8) 34affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 0x0f, 0x1f, 0x4, 0 // nopl 0(%eax) 355460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao}; 365460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 375460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaoconst uint8_t x86_exec_plt1[] = { 38affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 0xff, 0x25, 0, 0, 0, 0, // jmp *(sym in .got) 39affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 0x68, 0, 0, 0, 0, // pushl $offset 40affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 0xe9, 0, 0, 0, 0 // jmp plt0 415460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao}; 425460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 435460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 445460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 455460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaonamespace mcld { 465460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 475460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoX86PLT0::X86PLT0(llvm::MCSectionData* pParent, unsigned int pSize) 485460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao : PLTEntry(pSize, pParent) { } 495460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 505460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoX86PLT1::X86PLT1(llvm::MCSectionData* pParent, unsigned int pSize) 515460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao : PLTEntry(pSize, pParent) { } 525460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 535460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao//===----------------------------------------------------------------------===// 545460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// X86PLT 555460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 565460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoX86PLT::X86PLT(LDSection& pSection, 575460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao llvm::MCSectionData& pSectionData, 58affc150dc44fab1911775a49636d0ce85333b634Zonr Chang X86GOTPLT &pGOTPLT, 59affc150dc44fab1911775a49636d0ce85333b634Zonr Chang const Output& pOutput) 60affc150dc44fab1911775a49636d0ce85333b634Zonr Chang : PLT(pSection, pSectionData), 61affc150dc44fab1911775a49636d0ce85333b634Zonr Chang m_GOTPLT(pGOTPLT), 62affc150dc44fab1911775a49636d0ce85333b634Zonr Chang m_PLTEntryIterator(), 63affc150dc44fab1911775a49636d0ce85333b634Zonr Chang m_Output(pOutput) 645460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 655460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao assert (Output::DynObj == pOutput.type() || Output::Exec == pOutput.type()); 665460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (Output::DynObj == pOutput.type()) { 675460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_PLT0 = x86_dyn_plt0; 685460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_PLT1 = x86_dyn_plt1; 695460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_PLT0Size = sizeof (x86_dyn_plt0); 705460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_PLT1Size = sizeof (x86_dyn_plt1); 715460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao } 725460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao else { 735460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_PLT0 = x86_exec_plt0; 745460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_PLT1 = x86_exec_plt1; 755460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_PLT0Size = sizeof (x86_exec_plt0); 765460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_PLT1Size = sizeof (x86_exec_plt1); 775460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao } 785460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao X86PLT0* plt0_entry = new X86PLT0(&m_SectionData, m_PLT0Size); 795460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 805460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_Section.setSize(m_Section.size() + plt0_entry->getEntrySize()); 815460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 825460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_PLTEntryIterator = pSectionData.begin(); 835460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 845460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 855460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoX86PLT::~X86PLT() 865460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 875460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 885460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 895460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaovoid X86PLT::reserveEntry(size_t pNum) 905460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 915460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao X86PLT1* plt1_entry = 0; 925460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 935460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao for (size_t i = 0; i < pNum; ++i) { 945460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao plt1_entry = new (std::nothrow) X86PLT1(&m_SectionData, m_PLT1Size); 955460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 965460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (!plt1_entry) 97affc150dc44fab1911775a49636d0ce85333b634Zonr Chang fatal(diag::fail_allocate_memory) << "X86PLT1"; 985460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 995460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao m_Section.setSize(m_Section.size() + plt1_entry->getEntrySize()); 1005460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 101affc150dc44fab1911775a49636d0ce85333b634Zonr Chang // reserve corresponding entry in .got.plt 102affc150dc44fab1911775a49636d0ce85333b634Zonr Chang m_GOTPLT.reserveEntry(pNum); 1035460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao } 1045460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1055460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1065460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoPLTEntry* X86PLT::getPLTEntry(const ResolveInfo& pSymbol, bool& pExist) 1075460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 1085460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao X86PLT1 *&PLTEntry = m_PLTEntryMap[&pSymbol]; 1095460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1105460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao pExist = 1; 1115460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1125460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (!PLTEntry) { 1135460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao pExist = 0; 1145460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1155460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // This will skip PLT0. 1165460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ++m_PLTEntryIterator; 1175460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao assert(m_PLTEntryIterator != m_SectionData.end() && 1185460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao "The number of PLT Entries and ResolveInfo doesn't match"); 1195460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao PLTEntry = llvm::cast<X86PLT1>(&(*m_PLTEntryIterator)); 1205460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao } 1215460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return PLTEntry; 1225460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1235460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1245460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoGOTEntry* X86PLT::getGOTPLTEntry(const ResolveInfo& pSymbol, bool& pExist) 1255460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 126affc150dc44fab1911775a49636d0ce85333b634Zonr Chang return m_GOTPLT.getEntry(pSymbol, pExist); 1275460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1285460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1295460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoX86PLT0* X86PLT::getPLT0() const { 1305460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1315460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao iterator first = m_SectionData.getFragmentList().begin(); 1325460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao iterator end = m_SectionData.getFragmentList().end(); 1335460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1345460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao assert(first!=end && "FragmentList is empty, getPLT0 failed!"); 1355460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1365460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao X86PLT0* plt0 = &(llvm::cast<X86PLT0>(*first)); 1375460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1385460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return plt0; 1395460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1405460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1415460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// FIXME: It only works on little endian machine. 1425460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaovoid X86PLT::applyPLT0() { 1435460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1445460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao iterator first = m_SectionData.getFragmentList().begin(); 1455460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao iterator end = m_SectionData.getFragmentList().end(); 1465460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1475460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao assert(first!=end && "FragmentList is empty, applyPLT0 failed!"); 1485460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1495460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao X86PLT0* plt0 = &(llvm::cast<X86PLT0>(*first)); 1505460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1515460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao unsigned char* data = 0; 1525460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao data = static_cast<unsigned char*>(malloc(plt0->getEntrySize())); 1535460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1545460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (!data) 155affc150dc44fab1911775a49636d0ce85333b634Zonr Chang fatal(diag::fail_allocate_memory) << "plt0"; 1565460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1575460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao memcpy(data, m_PLT0, plt0->getEntrySize()); 1585460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1595460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (m_PLT0 == x86_exec_plt0) { 160affc150dc44fab1911775a49636d0ce85333b634Zonr Chang uint64_t got_base = m_GOTPLT.getSection().addr(); 1615460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao assert(got_base && ".got base address is NULL!"); 1625460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint32_t *offset = reinterpret_cast<uint32_t*>(data + 2); 1635460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao *offset = got_base + 4; 1645460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao offset = reinterpret_cast<uint32_t*>(data + 8); 1655460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao *offset = got_base + 8; 1665460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao } 1675460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1685460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao plt0->setContent(data); 1695460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1705460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1715460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// FIXME: It only works on little endian machine. 1725460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaovoid X86PLT::applyPLT1() { 1735460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1745460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint64_t plt_base = m_Section.addr(); 1755460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao assert(plt_base && ".plt base address is NULL!"); 1765460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 177affc150dc44fab1911775a49636d0ce85333b634Zonr Chang uint64_t got_base = m_GOTPLT.getSection().addr(); 1785460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao assert(got_base && ".got base address is NULL!"); 1795460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1805460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao X86PLT::iterator it = m_SectionData.begin(); 1815460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao X86PLT::iterator ie = m_SectionData.end(); 1825460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao assert(it!=ie && "FragmentList is empty, applyPLT1 failed!"); 1835460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 184affc150dc44fab1911775a49636d0ce85333b634Zonr Chang uint64_t GOTEntrySize = m_GOTPLT.getEntrySize(); 1855460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1865460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // Skip GOT0 187affc150dc44fab1911775a49636d0ce85333b634Zonr Chang uint64_t GOTEntryOffset = GOTEntrySize * X86GOTPLT0Num; 1885460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1895460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao //skip PLT0 1905460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint64_t PLTEntryOffset = m_PLT0Size; 1915460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ++it; 1925460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1935460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao X86PLT1* plt1 = 0; 1945460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1955460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint64_t PLTRelOffset = 0; 1965460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1975460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao while (it != ie) { 1985460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao plt1 = &(llvm::cast<X86PLT1>(*it)); 1995460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao unsigned char *data; 2005460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao data = static_cast<unsigned char*>(malloc(plt1->getEntrySize())); 2015460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2025460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (!data) 203affc150dc44fab1911775a49636d0ce85333b634Zonr Chang fatal(diag::fail_allocate_memory) << "plt1"; 2045460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2055460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao memcpy(data, m_PLT1, plt1->getEntrySize()); 2065460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2075460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint32_t* offset; 2085460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2095460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao offset = reinterpret_cast<uint32_t*>(data + 2); 210affc150dc44fab1911775a49636d0ce85333b634Zonr Chang if (m_Output.type() == Output::DynObj) { 211affc150dc44fab1911775a49636d0ce85333b634Zonr Chang *offset = GOTEntryOffset; 212affc150dc44fab1911775a49636d0ce85333b634Zonr Chang } else { 213affc150dc44fab1911775a49636d0ce85333b634Zonr Chang // Exec 214affc150dc44fab1911775a49636d0ce85333b634Zonr Chang *offset = got_base + GOTEntryOffset; 215affc150dc44fab1911775a49636d0ce85333b634Zonr Chang } 2165460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao GOTEntryOffset += GOTEntrySize; 2175460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2185460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao offset = reinterpret_cast<uint32_t*>(data + 7); 2195460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao *offset = PLTRelOffset; 2205460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao PLTRelOffset += sizeof (llvm::ELF::Elf32_Rel); 2215460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2225460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao offset = reinterpret_cast<uint32_t*>(data + 12); 2235460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao *offset = -(PLTEntryOffset + 12 + 4); 2245460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao PLTEntryOffset += m_PLT1Size; 2255460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2265460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao plt1->setContent(data); 2275460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ++it; 2285460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao } 2295460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 230affc150dc44fab1911775a49636d0ce85333b634Zonr Chang // apply .got.plt 231affc150dc44fab1911775a49636d0ce85333b634Zonr Chang m_GOTPLT.applyAllGOTPLT(plt_base, m_PLT0Size, m_PLT1Size); 2325460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 2335460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2345460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} // end namespace mcld 235affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 236