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| author | Sean Silva <silvas@purdue.edu> | 2013-06-22 01:03:35 +0000 |
|---|---|---|
| committer | Sean Silva <silvas@purdue.edu> | 2013-06-22 01:03:35 +0000 |
| commit | efc78986b3bf51572e013bfdf8cbb9e06a47c788 (patch) | |
| tree | bea410e804191b4371824acd12a13962a4bb75ec /tools/yaml2obj | |
| parent | e766884193afeb684fe1e14f74c316405e9d801f (diff) | |
| download | external_llvm-efc78986b3bf51572e013bfdf8cbb9e06a47c788.zip external_llvm-efc78986b3bf51572e013bfdf8cbb9e06a47c788.tar.gz external_llvm-efc78986b3bf51572e013bfdf8cbb9e06a47c788.tar.bz2 | |
[yaml2obj][ELF] Make this "type switch" actually readable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184623 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/yaml2obj')
| -rw-r--r-- | tools/yaml2obj/yaml2elf.cpp | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/tools/yaml2obj/yaml2elf.cpp b/tools/yaml2obj/yaml2elf.cpp index ad7dd1f..3ac5033 100644 --- a/tools/yaml2obj/yaml2elf.cpp +++ b/tools/yaml2obj/yaml2elf.cpp @@ -361,6 +361,14 @@ static int writeELF(raw_ostream &OS, const ELFYAML::Object &Doc) { return 0; } +static bool is64Bit(const ELFYAML::Object &Doc) { + return Doc.Header.Class == ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64); +} + +static bool isLittleEndian(const ELFYAML::Object &Doc) { + return Doc.Header.Data == ELFYAML::ELF_ELFDATA(ELF::ELFDATA2LSB); +} + int yaml2elf(llvm::raw_ostream &Out, llvm::MemoryBuffer *Buf) { yaml::Input YIn(Buf->getBuffer()); ELFYAML::Object Doc; @@ -369,15 +377,20 @@ int yaml2elf(llvm::raw_ostream &Out, llvm::MemoryBuffer *Buf) { errs() << "yaml2obj: Failed to parse YAML file!\n"; return 1; } - if (Doc.Header.Class == ELFYAML::ELF_ELFCLASS(ELF::ELFCLASS64)) { - if (Doc.Header.Data == ELFYAML::ELF_ELFDATA(ELF::ELFDATA2LSB)) - return writeELF<object::ELFType<support::little, 8, true> >(outs(), Doc); + using object::ELFType; + typedef ELFType<support::little, 8, true> LE64; + typedef ELFType<support::big, 8, true> BE64; + typedef ELFType<support::little, 4, false> LE32; + typedef ELFType<support::big, 4, false> BE32; + if (is64Bit(Doc)) { + if (isLittleEndian(Doc)) + return writeELF<LE64>(outs(), Doc); else - return writeELF<object::ELFType<support::big, 8, true> >(outs(), Doc); + return writeELF<BE64>(outs(), Doc); } else { - if (Doc.Header.Data == ELFYAML::ELF_ELFDATA(ELF::ELFDATA2LSB)) - return writeELF<object::ELFType<support::little, 4, false> >(outs(), Doc); + if (isLittleEndian(Doc)) + return writeELF<LE32>(outs(), Doc); else - return writeELF<object::ELFType<support::big, 4, false> >(outs(), Doc); + return writeELF<BE32>(outs(), Doc); } } |