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_SECTION_HEADER_HXX 18#define ELF_SECTION_HEADER_HXX 19 20#include "utils/raw_ostream.h" 21#include <llvm/Support/Format.h> 22#include <llvm/Support/raw_ostream.h> 23 24#include "ELFObject.h" 25 26template <unsigned Bitwidth> 27char const *ELFSectionHeader_CRTP<Bitwidth>::getName() const { 28 return owner->getSectionName(getNameIndex()); 29} 30 31template <unsigned Bitwidth> 32template <typename Archiver> 33typename ELFSectionHeader_CRTP<Bitwidth>::ELFSectionHeaderTy * 34ELFSectionHeader_CRTP<Bitwidth>::read(Archiver &AR, 35 ELFObjectTy const *owner, 36 size_t index) { 37 38 if (!AR) { 39 // Archiver is in bad state before calling read function. 40 // Return NULL and do nothing. 41 return 0; 42 } 43 44 llvm::OwningPtr<ELFSectionHeaderTy> sh(new ELFSectionHeaderTy()); 45 46 if (!sh->serialize(AR)) { 47 // Unable to read the structure. Return NULL. 48 return 0; 49 } 50 51 if (!sh->isValid()) { 52 // Header read from archiver is not valid. Return NULL. 53 return 0; 54 } 55 56 // Set the section header index 57 sh->index = index; 58 59 // Set the owner elf object 60 sh->owner = owner; 61 62 return sh.take(); 63} 64 65template <unsigned Bitwidth> 66void ELFSectionHeader_CRTP<Bitwidth>::print(bool shouldPrintHeader) const { 67 using namespace llvm; 68 69 if (shouldPrintHeader) { 70 out() << '\n' << fillformat('=', 79) << '\n'; 71 out().changeColor(raw_ostream::WHITE, true); 72 out() << "ELF Section Header " 73 << this->getIndex() << '\n'; 74 out().resetColor(); 75 out() << fillformat('-', 79) << '\n'; 76 } else { 77 out() << fillformat('-', 79) << '\n'; 78 out().changeColor(raw_ostream::YELLOW, true); 79 out() << "ELF Section Header " 80 << this->getIndex() << " : " << '\n'; 81 out().resetColor(); 82 } 83 84#define PRINT_LINT(title, value) \ 85 out() << format(" %-13s : ", (char const *)(title)) << (value) << '\n' 86 PRINT_LINT("Name", getName() ); 87 PRINT_LINT("Type", getSectionTypeStr(getType())); 88 PRINT_LINT("Flags", concrete()->getFlags()); 89 PRINT_LINT("Address", getAddress()); 90 PRINT_LINT("Offset", getOffset()); 91 PRINT_LINT("Size", concrete()->getSize()); 92 PRINT_LINT("Link", getLink()); 93 PRINT_LINT("Extra Info", getExtraInfo()); 94 PRINT_LINT("Address Align", concrete()->getAddressAlign()); 95 PRINT_LINT("Entry Size", concrete()->getEntrySize()); 96#undef PRINT_LINT 97 98 if (shouldPrintHeader) { 99 out() << fillformat('=', 79) << '\n'; 100 } 101} 102 103#endif // ELF_SECTION_HEADER_HXX 104