1 /* 2 * Copyright 2011, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ELF_RELOC_HXX 18 #define ELF_RELOC_HXX 19 20 #include "utils/raw_ostream.h" 21 22 #include <llvm/Support/Format.h> 23 #include <llvm/Support/raw_ostream.h> 24 25 template <unsigned Bitwidth> 26 template <typename Archiver> 27 inline ELFReloc<Bitwidth> * 28 ELFReloc_CRTP<Bitwidth>::readRela(Archiver &AR, size_t index) { 29 if (!AR) { 30 // Archiver is in bad state before calling read function. 31 // Return NULL and do nothing. 32 return 0; 33 } 34 35 std::unique_ptr<ELFRelocTy> sh(new ELFRelocTy()); 36 37 if (!sh->serializeRela(AR)) { 38 // Unable to read the structure. Return NULL. 39 return 0; 40 } 41 42 if (!sh->isValid()) { 43 // Rel read from archiver is not valid. Return NULL. 44 return 0; 45 } 46 47 // Set the section header index 48 sh->index = index; 49 50 return sh.release(); 51 } 52 53 template <unsigned Bitwidth> 54 template <typename Archiver> 55 inline ELFReloc<Bitwidth> * 56 ELFReloc_CRTP<Bitwidth>::readRel(Archiver &AR, size_t index) { 57 if (!AR) { 58 // Archiver is in bad state before calling read function. 59 // Return NULL and do nothing. 60 return 0; 61 } 62 63 std::unique_ptr<ELFRelocTy> sh(new ELFRelocTy()); 64 65 sh->r_addend = 0; 66 if (!sh->serializeRel(AR)) { 67 return 0; 68 } 69 70 if (!sh->isValid()) { 71 // Rel read from archiver is not valid. Return NULL. 72 return 0; 73 } 74 75 // Set the section header index 76 sh->index = index; 77 78 return sh.release(); 79 } 80 81 template <unsigned Bitwidth> 82 inline void ELFReloc_CRTP<Bitwidth>::print(bool shouldPrintHeader) const { 83 using namespace llvm; 84 if (shouldPrintHeader) { 85 out() << '\n' << fillformat('=', 79) << '\n'; 86 out().changeColor(raw_ostream::WHITE, true); 87 out() << "ELF Relaocation Table Entry " 88 << this->getIndex() << '\n'; 89 out().resetColor(); 90 out() << fillformat('-', 79) << '\n'; 91 } else { 92 out() << fillformat('-', 79) << '\n'; 93 out().changeColor(raw_ostream::YELLOW, true); 94 out() << "ELF Relaocation Table Entry " 95 << this->getIndex() << " : " << '\n'; 96 out().resetColor(); 97 } 98 99 #define PRINT_LINT(title, value) \ 100 out() << format(" %-13s : ", (char const *)(title)) << (value) << '\n' 101 PRINT_LINT("Offset", concrete()->getOffset() ); 102 PRINT_LINT("SymTab Index", concrete()->getSymTabIndex() ); 103 PRINT_LINT("Type", concrete()->getType() ); 104 PRINT_LINT("Addend", concrete()->getAddend() ); 105 #undef PRINT_LINT 106 } 107 108 #endif // ELF_RELOC_HXX 109
