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a49fda1bba
This relands r374931 (reverted in r375088). It fixes 32-bit builds by using the right format string specifier for uint64_t (PRIu64) instead of `%d`. Original description: When listing the index in `llvm-objdump -h`, use a zero-based counter instead of the actual section index (e.g. shdr->sh_index for ELF). While this is effectively a noop for now (except one unit test for XCOFF), the index values will change in a future patch that filters certain sections out (e.g. symbol tables). See D68669 for more context. Note: the test case in `test/tools/llvm-objdump/X86/section-index.s` already covers the case of incrementing the section index counter when sections are skipped. Reviewers: grimar, jhenderson, espindola Reviewed By: grimar Subscribers: emaste, sbc100, arichardson, aheejin, arphaman, seiya, llvm-commits, MaskRay Tags: #llvm Differential Revision: https://reviews.llvm.org/D68848 llvm-svn: 375178
161 lines
6.1 KiB
C++
161 lines
6.1 KiB
C++
//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVM_OBJDUMP_LLVM_OBJDUMP_H
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#define LLVM_TOOLS_LLVM_OBJDUMP_LLVM_OBJDUMP_H
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#include "llvm/DebugInfo/DIContext.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Support/DataTypes.h"
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#include "llvm/Object/Archive.h"
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namespace llvm {
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class StringRef;
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namespace object {
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class COFFObjectFile;
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class COFFImportFile;
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class ELFObjectFileBase;
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class ELFSectionRef;
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class MachOObjectFile;
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class MachOUniversalBinary;
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class RelocationRef;
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}
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extern cl::opt<bool> Demangle;
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typedef std::function<bool(llvm::object::SectionRef const &)> FilterPredicate;
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/// A filtered iterator for SectionRefs that skips sections based on some given
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/// predicate.
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class SectionFilterIterator {
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public:
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SectionFilterIterator(FilterPredicate P,
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llvm::object::section_iterator const &I,
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llvm::object::section_iterator const &E)
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: Predicate(std::move(P)), Iterator(I), End(E) {
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ScanPredicate();
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}
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const llvm::object::SectionRef &operator*() const { return *Iterator; }
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SectionFilterIterator &operator++() {
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++Iterator;
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ScanPredicate();
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return *this;
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}
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bool operator!=(SectionFilterIterator const &Other) const {
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return Iterator != Other.Iterator;
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}
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private:
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void ScanPredicate() {
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while (Iterator != End && !Predicate(*Iterator)) {
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++Iterator;
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}
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}
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FilterPredicate Predicate;
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llvm::object::section_iterator Iterator;
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llvm::object::section_iterator End;
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};
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/// Creates an iterator range of SectionFilterIterators for a given Object and
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/// predicate.
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class SectionFilter {
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public:
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SectionFilter(FilterPredicate P, llvm::object::ObjectFile const &O)
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: Predicate(std::move(P)), Object(O) {}
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SectionFilterIterator begin() {
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return SectionFilterIterator(Predicate, Object.section_begin(),
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Object.section_end());
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}
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SectionFilterIterator end() {
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return SectionFilterIterator(Predicate, Object.section_end(),
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Object.section_end());
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}
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private:
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FilterPredicate Predicate;
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llvm::object::ObjectFile const &Object;
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};
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// Various helper functions.
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/// Creates a SectionFilter with a standard predicate that conditionally skips
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/// sections when the --section objdump flag is provided.
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///
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/// Idx is an optional output parameter that keeps track of which section index
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/// this is. This may be different than the actual section number, as some
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/// sections may be filtered (e.g. symbol tables).
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SectionFilter ToolSectionFilter(llvm::object::ObjectFile const &O,
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uint64_t *Idx = nullptr);
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Error getELFRelocationValueString(const object::ELFObjectFileBase *Obj,
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const object::RelocationRef &Rel,
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llvm::SmallVectorImpl<char> &Result);
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Error getCOFFRelocationValueString(const object::COFFObjectFile *Obj,
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const object::RelocationRef &Rel,
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llvm::SmallVectorImpl<char> &Result);
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Error getWasmRelocationValueString(const object::WasmObjectFile *Obj,
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const object::RelocationRef &RelRef,
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llvm::SmallVectorImpl<char> &Result);
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Error getMachORelocationValueString(const object::MachOObjectFile *Obj,
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const object::RelocationRef &RelRef,
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llvm::SmallVectorImpl<char> &Result);
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uint64_t getELFSectionLMA(const object::ELFSectionRef& Sec);
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bool isRelocAddressLess(object::RelocationRef A, object::RelocationRef B);
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void parseInputMachO(StringRef Filename);
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void parseInputMachO(object::MachOUniversalBinary *UB);
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void printCOFFUnwindInfo(const object::COFFObjectFile *O);
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void printMachOUnwindInfo(const object::MachOObjectFile *O);
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void printMachOExportsTrie(const object::MachOObjectFile *O);
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void printMachORebaseTable(object::MachOObjectFile *O);
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void printMachOBindTable(object::MachOObjectFile *O);
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void printMachOLazyBindTable(object::MachOObjectFile *O);
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void printMachOWeakBindTable(object::MachOObjectFile *O);
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void printELFFileHeader(const object::ObjectFile *O);
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void printELFDynamicSection(const object::ObjectFile *Obj);
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void printELFSymbolVersionInfo(const object::ObjectFile *Obj);
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void printCOFFFileHeader(const object::ObjectFile *O);
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void printCOFFSymbolTable(const object::COFFImportFile *I);
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void printCOFFSymbolTable(const object::COFFObjectFile *O);
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void printMachOFileHeader(const object::ObjectFile *O);
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void printMachOLoadCommands(const object::ObjectFile *O);
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void printWasmFileHeader(const object::ObjectFile *O);
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void printExportsTrie(const object::ObjectFile *O);
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void printRebaseTable(object::ObjectFile *O);
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void printBindTable(object::ObjectFile *O);
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void printLazyBindTable(object::ObjectFile *O);
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void printWeakBindTable(object::ObjectFile *O);
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void printRawClangAST(const object::ObjectFile *O);
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void printRelocations(const object::ObjectFile *O);
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void printDynamicRelocations(const object::ObjectFile *O);
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void printSectionHeaders(const object::ObjectFile *O);
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void printSectionContents(const object::ObjectFile *O);
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void printSymbolTable(const object::ObjectFile *O, StringRef ArchiveName,
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StringRef ArchitectureName = StringRef());
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LLVM_ATTRIBUTE_NORETURN void reportError(StringRef File, Twine Message);
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LLVM_ATTRIBUTE_NORETURN void reportError(Error E, StringRef FileName,
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StringRef ArchiveName = "",
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StringRef ArchitectureName = "");
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void reportWarning(Twine Message, StringRef File);
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template <typename T, typename... Ts>
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T unwrapOrError(Expected<T> EO, Ts &&... Args) {
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if (EO)
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return std::move(*EO);
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reportError(EO.takeError(), std::forward<Ts>(Args)...);
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}
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std::string getFileNameForError(const object::Archive::Child &C,
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unsigned Index);
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} // end namespace llvm
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#endif
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