ARMPLT.cpp revision 22add6ff3426df1a85089fe6a6e1597ee3b6f300
15460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao//===- ARMPLT.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//===----------------------------------------------------------------------===// 95460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include "ARMGOT.h" 105460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include "ARMPLT.h" 11cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 12cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao#include <new> 13cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 14cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao#include <llvm/Support/Casting.h> 15cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 1622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao#include <mcld/LD/LDSection.h> 175460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#include <mcld/Support/MemoryRegion.h> 18affc150dc44fab1911775a49636d0ce85333b634Zonr Chang#include <mcld/Support/MsgHandling.h> 195460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 205460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaonamespace { 215460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 225460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaoconst uint32_t arm_plt0[] = { 235460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 0xe52de004, // str lr, [sp, #-4]! 245460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 0xe59fe004, // ldr lr, [pc, #4] 255460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 0xe08fe00e, // add lr, pc, lr 265460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 0xe5bef008, // ldr pc, [lr, #8]! 275460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 0x00000000, // &GOT[0] - . 285460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao}; 295460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 305460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaoconst uint32_t arm_plt1[] = { 315460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 0xe28fc600, // add ip, pc, #0xNN00000 325460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 0xe28cca00, // add ip, ip, #0xNN000 335460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 0xe5bcf000, // ldr pc, [ip, #0xNNN]! 345460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao}; 355460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 365460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} // anonymous namespace 375460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 385460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaousing namespace mcld; 395460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 4022add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei LiaoARMPLT0::ARMPLT0(SectionData& pParent) 4122add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao : PLT::Entry(sizeof(arm_plt0), pParent) {} 425460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 4322add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei LiaoARMPLT1::ARMPLT1(SectionData& pParent) 4422add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao : PLT::Entry(sizeof(arm_plt1), pParent) {} 455460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 465460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao//===----------------------------------------------------------------------===// 475460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// ARMPLT 485460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 495460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoARMPLT::ARMPLT(LDSection& pSection, 505460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ARMGOT &pGOTPLT) 5122add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao : PLT(pSection), m_GOT(pGOTPLT), m_PLTEntryIterator() { 5222add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao new ARMPLT0(*m_SectionData); 5322add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao m_PLTEntryIterator = m_SectionData->begin(); 5422add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao} 555460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 5622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei LiaoARMPLT::~ARMPLT() 5722add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao{ 5822add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao} 595460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 6022add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liaobool ARMPLT::hasPLT1() const 6122add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao{ 6222add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao return (m_SectionData->size() > 1); 635460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 645460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 6522add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liaovoid ARMPLT::finalizeSectionSize() 665460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 6722add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao uint64_t size = (m_SectionData->size() - 1) * sizeof(arm_plt1) + 6822add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao sizeof(arm_plt0); 6922add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao m_Section.setSize(size); 7022add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao 7122add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao uint32_t offset = 0; 7222add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao SectionData::iterator frag, fragEnd = m_SectionData->end(); 7322add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao for (frag = m_SectionData->begin(); frag != fragEnd; ++frag) { 7422add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao frag->setOffset(offset); 7522add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao offset += frag->size(); 7622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao } 775460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 785460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 795460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaovoid ARMPLT::reserveEntry(size_t pNum) 805460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 815460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ARMPLT1* plt1_entry = 0; 825460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 835460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao for (size_t i = 0; i < pNum; ++i) { 8422add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao plt1_entry = new (std::nothrow) ARMPLT1(*m_SectionData); 855460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 865460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (!plt1_entry) 87cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao fatal(diag::fail_allocate_memory_plt); 885460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 8922add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao m_GOT.reserveGOTPLT(); 905460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao } 915460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 925460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 9322add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei LiaoARMPLT1* ARMPLT::consume() 945460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 9522add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao ++m_PLTEntryIterator; 9622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao assert(m_PLTEntryIterator != m_SectionData->end() && 9722add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao "The number of PLT Entries and ResolveInfo doesn't match"); 985460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 9922add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao return llvm::cast<ARMPLT1>(&(*m_PLTEntryIterator)); 1005460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1015460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1025460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei LiaoARMPLT0* ARMPLT::getPLT0() const { 1035460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 10422add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao iterator first = m_SectionData->getFragmentList().begin(); 1055460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 10622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao assert(first != m_SectionData->getFragmentList().end() && 10767e37f1be98c926645219cfb47fab9e90d8c725cShih-wei Liao "FragmentList is empty, getPLT0 failed!"); 1085460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1095460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ARMPLT0* plt0 = &(llvm::cast<ARMPLT0>(*first)); 1105460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1115460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return plt0; 1125460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1135460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1145460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaovoid ARMPLT::applyPLT0() { 1155460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1165460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint64_t plt_base = m_Section.addr(); 1175460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao assert(plt_base && ".plt base address is NULL!"); 1185460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 11922add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao uint64_t got_base = m_GOT.addr(); 1205460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao assert(got_base && ".got base address is NULL!"); 1215460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1225460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint32_t offset = 0; 1235460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1245460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (got_base > plt_base) 1255460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao offset = got_base - (plt_base + 16); 1265460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao else 1275460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao offset = (plt_base + 16) - got_base; 1285460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 12922add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao iterator first = m_SectionData->getFragmentList().begin(); 1305460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 13122add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao assert(first != m_SectionData->getFragmentList().end() && 13267e37f1be98c926645219cfb47fab9e90d8c725cShih-wei Liao "FragmentList is empty, applyPLT0 failed!"); 1335460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1345460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ARMPLT0* plt0 = &(llvm::cast<ARMPLT0>(*first)); 1355460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1365460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint32_t* data = 0; 1375460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao data = static_cast<uint32_t*>(malloc(plt0->getEntrySize())); 1385460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1395460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (!data) 140cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao fatal(diag::fail_allocate_memory_plt); 1415460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1425460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao memcpy(data, arm_plt0, plt0->getEntrySize()); 1435460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao data[4] = offset; 1445460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1455460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao plt0->setContent(reinterpret_cast<unsigned char*>(data)); 1465460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1475460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1485460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaovoid ARMPLT::applyPLT1() { 1495460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1505460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint64_t plt_base = m_Section.addr(); 1515460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao assert(plt_base && ".plt base address is NULL!"); 1525460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 15322add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao uint64_t got_base = m_GOT.addr(); 1545460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao assert(got_base && ".got base address is NULL!"); 1555460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 15622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao ARMPLT::iterator it = m_SectionData->begin(); 15722add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao ARMPLT::iterator ie = m_SectionData->end(); 15867e37f1be98c926645219cfb47fab9e90d8c725cShih-wei Liao assert(it != ie && "FragmentList is empty, applyPLT1 failed!"); 1595460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1605460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint32_t GOTEntrySize = m_GOT.getEntrySize(); 1615460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint32_t GOTEntryAddress = 1625460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao got_base + GOTEntrySize * 3; 1635460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1645460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint64_t PLTEntryAddress = 1655460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao plt_base + llvm::cast<ARMPLT0>((*it)).getEntrySize(); //Offset of PLT0 1665460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1675460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ++it; //skip PLT0 1685460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint64_t PLT1EntrySize = llvm::cast<ARMPLT1>((*it)).getEntrySize(); 1695460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ARMPLT1* plt1 = NULL; 1705460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1715460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint32_t* Out = NULL; 1725460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao while (it != ie) { 1735460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao plt1 = &(llvm::cast<ARMPLT1>(*it)); 1745460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao Out = static_cast<uint32_t*>(malloc(plt1->getEntrySize())); 1755460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1765460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao if (!Out) 177cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao fatal(diag::fail_allocate_memory_plt); 1785460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1795460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // Offset is the distance between the last PLT entry and the associated 1805460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao // GOT entry. 1815460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao int32_t Offset = (GOTEntryAddress - (PLTEntryAddress + 8)); 1825460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1835460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao Out[0] = arm_plt1[0] | ((Offset >> 20) & 0xFF); 1845460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao Out[1] = arm_plt1[1] | ((Offset >> 12) & 0xFF); 1855460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao Out[2] = arm_plt1[2] | (Offset & 0xFFF); 1865460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1875460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao plt1->setContent(reinterpret_cast<unsigned char*>(Out)); 1885460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ++it; 1895460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1905460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao GOTEntryAddress += GOTEntrySize; 1915460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao PLTEntryAddress += PLT1EntrySize; 1925460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao } 1935460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 19422add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao m_GOT.applyGOTPLT(plt_base); 1955460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 1965460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1975460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaouint64_t ARMPLT::emit(MemoryRegion& pRegion) 1985460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 1995460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao uint64_t result = 0x0; 2005460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao iterator it = begin(); 2015460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao unsigned int plt0_size = llvm::cast<ARMPLT0>((*it)).getEntrySize(); 2025460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2035460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao unsigned char* buffer = pRegion.getBuffer(); 2045460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao memcpy(buffer, llvm::cast<ARMPLT0>((*it)).getContent(), plt0_size); 2055460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao result += plt0_size; 2065460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ++it; 2075460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 2085460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ARMPLT1* plt1 = 0; 2095460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ARMPLT::iterator ie = end(); 2105460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao unsigned int entry_size = 0; 2115460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao while (it != ie) { 2125460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao plt1 = &(llvm::cast<ARMPLT1>(*it)); 2135460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao entry_size = plt1->getEntrySize(); 2145460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao memcpy(buffer + result, plt1->getContent(), entry_size); 2155460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao result += entry_size; 2165460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao ++it; 2175460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao } 2185460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao return result; 2195460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} 220affc150dc44fab1911775a49636d0ce85333b634Zonr Chang 221