1 //===- impl.cpp -----------------------------------------------------------===// 2 // 3 // The MCLinker Project 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 #include "X86GOT.h" 10 11 #include <mcld/LD/LDFileFormat.h> 12 #include <mcld/LD/SectionData.h> 13 14 #include <llvm/Support/Casting.h> 15 16 using namespace mcld; 17 18 //===----------------------------------------------------------------------===// 19 // X86_32GOT 20 //===----------------------------------------------------------------------===// 21 X86_32GOT::X86_32GOT(LDSection& pSection) 22 : GOT(pSection), m_pLast(NULL) 23 { 24 } 25 26 X86_32GOT::~X86_32GOT() 27 { 28 } 29 30 void X86_32GOT::reserve(size_t pNum) 31 { 32 for (size_t i = 0; i < pNum; i++) { 33 new X86_32GOTEntry(0, m_SectionData); 34 } 35 } 36 37 X86_32GOTEntry* X86_32GOT::consume() 38 { 39 if (NULL == m_pLast) { 40 assert(!empty() && "Consume empty GOT entry!"); 41 m_pLast = llvm::cast<X86_32GOTEntry>(&m_SectionData->front()); 42 return m_pLast; 43 } 44 45 m_pLast = llvm::cast<X86_32GOTEntry>(m_pLast->getNextNode()); 46 return m_pLast; 47 } 48 49 //===----------------------------------------------------------------------===// 50 // X86_64GOT 51 //===----------------------------------------------------------------------===// 52 X86_64GOT::X86_64GOT(LDSection& pSection) 53 : GOT(pSection), m_pLast(NULL) 54 { 55 } 56 57 X86_64GOT::~X86_64GOT() 58 { 59 } 60 61 void X86_64GOT::reserve(size_t pNum) 62 { 63 for (size_t i = 0; i < pNum; i++) { 64 new X86_64GOTEntry(0, m_SectionData); 65 } 66 } 67 68 X86_64GOTEntry* X86_64GOT::consume() 69 { 70 if (NULL == m_pLast) { 71 assert(!empty() && "Consume empty GOT entry!"); 72 m_pLast = llvm::cast<X86_64GOTEntry>(&m_SectionData->front()); 73 return m_pLast; 74 } 75 76 m_pLast = llvm::cast<X86_64GOTEntry>(m_pLast->getNextNode()); 77 return m_pLast; 78 } 79 80
