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d701db82cf
In r287786, a bug was introduced into llvm-readelf where it didn't print the static symbol table if both --symbols and --dyn-symbols were specified, even if there was no dynamic symbol table. This is obviously incorrect. This patch fixes this issue, by delegating the decision of which symbol tables should be printed to the final dumper, rather than trying to decide in the command-line option handling layer. The decision was made to follow the approach taken in this patch because the LLVM style dumper uses a different order to the original GNU style behaviour (and GNU readelf) for ELF output. Other approaches resulted in behaviour changes for other dumpers which felt wrong. In particular, I wanted to avoid changing the order of the output for --symbols --dyn-symbols for LLVM style, keep what is emitted by --symbols unchanged for all dumpers, and avoid having different orders of .dynsym and .symtab dumping for GNU "--symbols" and "--symbols --dyn-symbols". Reviewed by: grimar, rupprecht Differential Revision: https://reviews.llvm.org/D57016 llvm-svn: 351960
132 lines
4.2 KiB
C++
132 lines
4.2 KiB
C++
//===-- ObjDumper.h ---------------------------------------------*- C++ -*-===//
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//
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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_READOBJ_OBJDUMPER_H
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#define LLVM_TOOLS_LLVM_READOBJ_OBJDUMPER_H
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#include <memory>
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#include <system_error>
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Object/ObjectFile.h"
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namespace llvm {
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namespace object {
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class COFFImportFile;
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class ObjectFile;
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}
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namespace codeview {
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class MergingTypeTableBuilder;
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}
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class ScopedPrinter;
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class ObjDumper {
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public:
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ObjDumper(ScopedPrinter &Writer);
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virtual ~ObjDumper();
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virtual void printFileHeaders() = 0;
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virtual void printSectionHeaders() = 0;
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virtual void printRelocations() = 0;
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virtual void printSymbols(bool PrintSymbols, bool PrintDynamicSymbols) {
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if (PrintSymbols)
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printSymbols();
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if (PrintDynamicSymbols)
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printDynamicSymbols();
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}
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virtual void printUnwindInfo() = 0;
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// Only implemented for ELF at this time.
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virtual void printDynamicRelocations() { }
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virtual void printDynamicTable() { }
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virtual void printNeededLibraries() { }
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virtual void printProgramHeaders() { }
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virtual void printSectionAsHex(StringRef SectionName) {}
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virtual void printHashTable() { }
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virtual void printGnuHashTable() { }
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virtual void printHashSymbols() {}
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virtual void printLoadName() {}
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virtual void printVersionInfo() {}
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virtual void printGroupSections() {}
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virtual void printHashHistogram() {}
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virtual void printCGProfile() {}
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virtual void printAddrsig() {}
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virtual void printNotes() {}
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virtual void printELFLinkerOptions() {}
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// Only implemented for ARM ELF at this time.
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virtual void printAttributes() { }
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// Only implemented for MIPS ELF at this time.
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virtual void printMipsPLTGOT() { }
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virtual void printMipsABIFlags() { }
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virtual void printMipsReginfo() { }
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virtual void printMipsOptions() { }
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// Only implemented for PE/COFF.
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virtual void printCOFFImports() { }
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virtual void printCOFFExports() { }
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virtual void printCOFFDirectives() { }
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virtual void printCOFFBaseReloc() { }
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virtual void printCOFFDebugDirectory() { }
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virtual void printCOFFResources() {}
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virtual void printCOFFLoadConfig() { }
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virtual void printCodeViewDebugInfo() { }
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virtual void
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mergeCodeViewTypes(llvm::codeview::MergingTypeTableBuilder &CVIDs,
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llvm::codeview::MergingTypeTableBuilder &CVTypes) {}
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// Only implemented for MachO.
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virtual void printMachODataInCode() { }
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virtual void printMachOVersionMin() { }
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virtual void printMachODysymtab() { }
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virtual void printMachOSegment() { }
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virtual void printMachOIndirectSymbols() { }
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virtual void printMachOLinkerOptions() { }
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virtual void printStackMap() const = 0;
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void printSectionAsString(const object::ObjectFile *Obj, StringRef SecName);
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void printSectionAsHex(const object::ObjectFile *Obj, StringRef SecName);
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protected:
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ScopedPrinter &W;
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private:
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virtual void printSymbols() {};
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virtual void printDynamicSymbols() {};
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};
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std::error_code createCOFFDumper(const object::ObjectFile *Obj,
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ScopedPrinter &Writer,
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std::unique_ptr<ObjDumper> &Result);
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std::error_code createELFDumper(const object::ObjectFile *Obj,
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ScopedPrinter &Writer,
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std::unique_ptr<ObjDumper> &Result);
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std::error_code createMachODumper(const object::ObjectFile *Obj,
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ScopedPrinter &Writer,
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std::unique_ptr<ObjDumper> &Result);
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std::error_code createWasmDumper(const object::ObjectFile *Obj,
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ScopedPrinter &Writer,
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std::unique_ptr<ObjDumper> &Result);
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void dumpCOFFImportFile(const object::COFFImportFile *File,
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ScopedPrinter &Writer);
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void dumpCodeViewMergedTypes(
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ScopedPrinter &Writer, llvm::codeview::MergingTypeTableBuilder &IDTable,
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llvm::codeview::MergingTypeTableBuilder &TypeTable);
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} // namespace llvm
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#endif
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