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Record the DWARF version in MCContext

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Record the DWARF version in MCContext, and use it when
emitting the dwarf version into the debug info.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207739 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Oliver Stannard
2014-05-01 08:46:02 +00:00
parent a1a235f869
commit 5604ab9da4
4 changed files with 28 additions and 5 deletions
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9
tools/llvm-mc/llvm-mc.cpp
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@ -154,6 +154,9 @@ static cl::opt<bool>
GenDwarfForAssembly("g", cl::desc("Generate dwarf debugging info for assembly "
"source files"));
static cl::opt<int>
DwarfVersion("dwarf-version", cl::desc("Dwarf version"), cl::init(4));
static cl::opt<std::string>
DebugCompilationDir("fdebug-compilation-dir",
cl::desc("Specifies the debug info's compilation dir"));
@ -406,6 +409,12 @@ int main(int argc, char **argv) {
Ctx.setAllowTemporaryLabels(false);
Ctx.setGenDwarfForAssembly(GenDwarfForAssembly);
if (DwarfVersion < 2 || DwarfVersion > 4) {
errs() << ProgName << ": Dwarf version " << DwarfVersion
<< " is not supported." << '\n';
return 1;
}
Ctx.setDwarfVersion(DwarfVersion);
if (!DwarfDebugFlags.empty())
Ctx.setDwarfDebugFlags(StringRef(DwarfDebugFlags));
if (!DwarfDebugProducer.empty())