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authorSean Silva <silvas@purdue.edu>2013-06-22 01:03:35 +0000
committerSean Silva <silvas@purdue.edu>2013-06-22 01:03:35 +0000
commitefc78986b3bf51572e013bfdf8cbb9e06a47c788 (patch)
treebea410e804191b4371824acd12a13962a4bb75ec /tools/yaml2obj/yaml2elf.cpp
parente766884193afeb684fe1e14f74c316405e9d801f (diff)
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[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/yaml2elf.cpp')
-rw-r--r--tools/yaml2obj/yaml2elf.cpp27
1 files changed, 20 insertions, 7 deletions
diff --git a/tools/yaml2obj/yaml2elf.cpp b/tools/yaml2obj/yaml2elf.cpp
index ad7dd1f99e..3ac50334a2 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);
}
}