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1f183c5130
Summary: Our YAML library's handling of tags isn't perfect, but it is good enough to get rid of the need for the --format argument to yaml2obj. This patch does exactly that. Instead of requiring --format, it infers the format based on the tags found in the object file. The supported tags are: !ELF !COFF !mach-o !fat-mach-o I have a corresponding patch that is quite large that fixes up all the in-tree test cases. Reviewers: rafael, Bigcheese, compnerd, silvas Subscribers: compnerd, llvm-commits Differential Revision: http://reviews.llvm.org/D21711 llvm-svn: 273915
58 lines
2.3 KiB
C++
58 lines
2.3 KiB
C++
//===- ObjectYAML.cpp - YAML utilities for object files -------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines a wrapper class for handling tagged YAML input
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ObjectYAML/YAML.h"
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#include "llvm/ObjectYAML/ObjectYAML.h"
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using namespace llvm;
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using namespace yaml;
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void MappingTraits<YamlObjectFile>::mapping(IO &IO,
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YamlObjectFile &ObjectFile) {
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if (IO.outputting()) {
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if (ObjectFile.Elf)
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MappingTraits<ELFYAML::Object>::mapping(IO, *ObjectFile.Elf);
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if (ObjectFile.Coff)
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MappingTraits<COFFYAML::Object>::mapping(IO, *ObjectFile.Coff);
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if (ObjectFile.MachO)
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MappingTraits<MachOYAML::Object>::mapping(IO, *ObjectFile.MachO);
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if (ObjectFile.FatMachO)
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MappingTraits<MachOYAML::UniversalBinary>::mapping(IO,
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*ObjectFile.FatMachO);
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} else {
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if (IO.mapTag("!ELF")) {
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ObjectFile.Elf.reset(new ELFYAML::Object());
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MappingTraits<ELFYAML::Object>::mapping(IO, *ObjectFile.Elf);
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} else if (IO.mapTag("!COFF")) {
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ObjectFile.Coff.reset(new COFFYAML::Object());
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MappingTraits<COFFYAML::Object>::mapping(IO, *ObjectFile.Coff);
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} else if (IO.mapTag("!mach-o")) {
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ObjectFile.MachO.reset(new MachOYAML::Object());
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MappingTraits<MachOYAML::Object>::mapping(IO, *ObjectFile.MachO);
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} else if (IO.mapTag("!fat-mach-o")) {
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ObjectFile.FatMachO.reset(new MachOYAML::UniversalBinary());
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MappingTraits<MachOYAML::UniversalBinary>::mapping(IO,
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*ObjectFile.FatMachO);
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} else {
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Input &In = (Input &)IO;
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std::string Tag = In.getCurrentNode()->getRawTag();
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if (Tag.empty())
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IO.setError("YAML Object File missing document type tag!");
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else
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IO.setError(
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llvm::Twine("YAML Object File unsupported document type tag '") +
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llvm::Twine(Tag.c_str()) + llvm::Twine("'!"));
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}
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}
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}
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