1ee6cdb95525abc8c7766798148302306a100b774Shih-wei Liao/* 2ee6cdb95525abc8c7766798148302306a100b774Shih-wei Liao * Copyright 2011, The Android Open Source Project 3ee6cdb95525abc8c7766798148302306a100b774Shih-wei Liao * 4ee6cdb95525abc8c7766798148302306a100b774Shih-wei Liao * Licensed under the Apache License, Version 2.0 (the "License"); 5ee6cdb95525abc8c7766798148302306a100b774Shih-wei Liao * you may not use this file except in compliance with the License. 6ee6cdb95525abc8c7766798148302306a100b774Shih-wei Liao * You may obtain a copy of the License at 7ee6cdb95525abc8c7766798148302306a100b774Shih-wei Liao * 8ee6cdb95525abc8c7766798148302306a100b774Shih-wei Liao * http://www.apache.org/licenses/LICENSE-2.0 9ee6cdb95525abc8c7766798148302306a100b774Shih-wei Liao * 10ee6cdb95525abc8c7766798148302306a100b774Shih-wei Liao * Unless required by applicable law or agreed to in writing, software 11ee6cdb95525abc8c7766798148302306a100b774Shih-wei Liao * distributed under the License is distributed on an "AS IS" BASIS, 12ee6cdb95525abc8c7766798148302306a100b774Shih-wei Liao * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13ee6cdb95525abc8c7766798148302306a100b774Shih-wei Liao * See the License for the specific language governing permissions and 14ee6cdb95525abc8c7766798148302306a100b774Shih-wei Liao * limitations under the License. 15ee6cdb95525abc8c7766798148302306a100b774Shih-wei Liao */ 16ee6cdb95525abc8c7766798148302306a100b774Shih-wei Liao 17efae30af6a2d9deedf961942e4834163f686871cLogan Chien#ifndef ELF_SECTION_HEADER_HXX 18efae30af6a2d9deedf961942e4834163f686871cLogan Chien#define ELF_SECTION_HEADER_HXX 19efae30af6a2d9deedf961942e4834163f686871cLogan Chien 20efae30af6a2d9deedf961942e4834163f686871cLogan Chien#include "utils/raw_ostream.h" 21efae30af6a2d9deedf961942e4834163f686871cLogan Chien#include <llvm/Support/Format.h> 22efae30af6a2d9deedf961942e4834163f686871cLogan Chien#include <llvm/Support/raw_ostream.h> 23efae30af6a2d9deedf961942e4834163f686871cLogan Chien 24efae30af6a2d9deedf961942e4834163f686871cLogan Chien#include "ELFObject.h" 25efae30af6a2d9deedf961942e4834163f686871cLogan Chien 26efae30af6a2d9deedf961942e4834163f686871cLogan Chientemplate <unsigned Bitwidth> 27efae30af6a2d9deedf961942e4834163f686871cLogan Chienchar const *ELFSectionHeader_CRTP<Bitwidth>::getName() const { 28efae30af6a2d9deedf961942e4834163f686871cLogan Chien return owner->getSectionName(getNameIndex()); 29efae30af6a2d9deedf961942e4834163f686871cLogan Chien} 30efae30af6a2d9deedf961942e4834163f686871cLogan Chien 31efae30af6a2d9deedf961942e4834163f686871cLogan Chientemplate <unsigned Bitwidth> 32efae30af6a2d9deedf961942e4834163f686871cLogan Chientemplate <typename Archiver> 3358611fc8193e7386698178f167a2e0cbdd6a4f6fLogan Chientypename ELFSectionHeader_CRTP<Bitwidth>::ELFSectionHeaderTy * 34efae30af6a2d9deedf961942e4834163f686871cLogan ChienELFSectionHeader_CRTP<Bitwidth>::read(Archiver &AR, 3558611fc8193e7386698178f167a2e0cbdd6a4f6fLogan Chien ELFObjectTy const *owner, 36efae30af6a2d9deedf961942e4834163f686871cLogan Chien size_t index) { 37efae30af6a2d9deedf961942e4834163f686871cLogan Chien 38efae30af6a2d9deedf961942e4834163f686871cLogan Chien if (!AR) { 39efae30af6a2d9deedf961942e4834163f686871cLogan Chien // Archiver is in bad state before calling read function. 40efae30af6a2d9deedf961942e4834163f686871cLogan Chien // Return NULL and do nothing. 41efae30af6a2d9deedf961942e4834163f686871cLogan Chien return 0; 42efae30af6a2d9deedf961942e4834163f686871cLogan Chien } 43efae30af6a2d9deedf961942e4834163f686871cLogan Chien 4458611fc8193e7386698178f167a2e0cbdd6a4f6fLogan Chien llvm::OwningPtr<ELFSectionHeaderTy> sh(new ELFSectionHeaderTy()); 45efae30af6a2d9deedf961942e4834163f686871cLogan Chien 46efae30af6a2d9deedf961942e4834163f686871cLogan Chien if (!sh->serialize(AR)) { 47efae30af6a2d9deedf961942e4834163f686871cLogan Chien // Unable to read the structure. Return NULL. 48efae30af6a2d9deedf961942e4834163f686871cLogan Chien return 0; 49efae30af6a2d9deedf961942e4834163f686871cLogan Chien } 50efae30af6a2d9deedf961942e4834163f686871cLogan Chien 51efae30af6a2d9deedf961942e4834163f686871cLogan Chien if (!sh->isValid()) { 52efae30af6a2d9deedf961942e4834163f686871cLogan Chien // Header read from archiver is not valid. Return NULL. 53efae30af6a2d9deedf961942e4834163f686871cLogan Chien return 0; 54efae30af6a2d9deedf961942e4834163f686871cLogan Chien } 55efae30af6a2d9deedf961942e4834163f686871cLogan Chien 56efae30af6a2d9deedf961942e4834163f686871cLogan Chien // Set the section header index 57efae30af6a2d9deedf961942e4834163f686871cLogan Chien sh->index = index; 58efae30af6a2d9deedf961942e4834163f686871cLogan Chien 59efae30af6a2d9deedf961942e4834163f686871cLogan Chien // Set the owner elf object 60efae30af6a2d9deedf961942e4834163f686871cLogan Chien sh->owner = owner; 61efae30af6a2d9deedf961942e4834163f686871cLogan Chien 62efae30af6a2d9deedf961942e4834163f686871cLogan Chien return sh.take(); 63efae30af6a2d9deedf961942e4834163f686871cLogan Chien} 64efae30af6a2d9deedf961942e4834163f686871cLogan Chien 65efae30af6a2d9deedf961942e4834163f686871cLogan Chientemplate <unsigned Bitwidth> 66efae30af6a2d9deedf961942e4834163f686871cLogan Chienvoid ELFSectionHeader_CRTP<Bitwidth>::print(bool shouldPrintHeader) const { 67efae30af6a2d9deedf961942e4834163f686871cLogan Chien using namespace llvm; 68efae30af6a2d9deedf961942e4834163f686871cLogan Chien 69efae30af6a2d9deedf961942e4834163f686871cLogan Chien if (shouldPrintHeader) { 70efae30af6a2d9deedf961942e4834163f686871cLogan Chien out() << '\n' << fillformat('=', 79) << '\n'; 71efae30af6a2d9deedf961942e4834163f686871cLogan Chien out().changeColor(raw_ostream::WHITE, true); 72efae30af6a2d9deedf961942e4834163f686871cLogan Chien out() << "ELF Section Header " 73efae30af6a2d9deedf961942e4834163f686871cLogan Chien << this->getIndex() << '\n'; 74efae30af6a2d9deedf961942e4834163f686871cLogan Chien out().resetColor(); 75efae30af6a2d9deedf961942e4834163f686871cLogan Chien out() << fillformat('-', 79) << '\n'; 76efae30af6a2d9deedf961942e4834163f686871cLogan Chien } else { 77efae30af6a2d9deedf961942e4834163f686871cLogan Chien out() << fillformat('-', 79) << '\n'; 78efae30af6a2d9deedf961942e4834163f686871cLogan Chien out().changeColor(raw_ostream::YELLOW, true); 79efae30af6a2d9deedf961942e4834163f686871cLogan Chien out() << "ELF Section Header " 80efae30af6a2d9deedf961942e4834163f686871cLogan Chien << this->getIndex() << " : " << '\n'; 81efae30af6a2d9deedf961942e4834163f686871cLogan Chien out().resetColor(); 82efae30af6a2d9deedf961942e4834163f686871cLogan Chien } 83efae30af6a2d9deedf961942e4834163f686871cLogan Chien 84efae30af6a2d9deedf961942e4834163f686871cLogan Chien#define PRINT_LINT(title, value) \ 85efae30af6a2d9deedf961942e4834163f686871cLogan Chien out() << format(" %-13s : ", (char const *)(title)) << (value) << '\n' 86efae30af6a2d9deedf961942e4834163f686871cLogan Chien PRINT_LINT("Name", getName() ); 87efae30af6a2d9deedf961942e4834163f686871cLogan Chien PRINT_LINT("Type", getSectionTypeStr(getType())); 88efae30af6a2d9deedf961942e4834163f686871cLogan Chien PRINT_LINT("Flags", concrete()->getFlags()); 89efae30af6a2d9deedf961942e4834163f686871cLogan Chien PRINT_LINT("Address", getAddress()); 90efae30af6a2d9deedf961942e4834163f686871cLogan Chien PRINT_LINT("Offset", getOffset()); 91efae30af6a2d9deedf961942e4834163f686871cLogan Chien PRINT_LINT("Size", concrete()->getSize()); 92efae30af6a2d9deedf961942e4834163f686871cLogan Chien PRINT_LINT("Link", getLink()); 93efae30af6a2d9deedf961942e4834163f686871cLogan Chien PRINT_LINT("Extra Info", getExtraInfo()); 94efae30af6a2d9deedf961942e4834163f686871cLogan Chien PRINT_LINT("Address Align", concrete()->getAddressAlign()); 95efae30af6a2d9deedf961942e4834163f686871cLogan Chien PRINT_LINT("Entry Size", concrete()->getEntrySize()); 96efae30af6a2d9deedf961942e4834163f686871cLogan Chien#undef PRINT_LINT 97efae30af6a2d9deedf961942e4834163f686871cLogan Chien 98efae30af6a2d9deedf961942e4834163f686871cLogan Chien if (shouldPrintHeader) { 99efae30af6a2d9deedf961942e4834163f686871cLogan Chien out() << fillformat('=', 79) << '\n'; 100efae30af6a2d9deedf961942e4834163f686871cLogan Chien } 101efae30af6a2d9deedf961942e4834163f686871cLogan Chien} 102efae30af6a2d9deedf961942e4834163f686871cLogan Chien 103efae30af6a2d9deedf961942e4834163f686871cLogan Chien#endif // ELF_SECTION_HEADER_HXX 104