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Fix llvm-gcc bootstrap with gnu ld.

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The problem was codegen guessing the wrong values and printing

	.section	.eh_frame,"aMS",@progbits,4

It is not clear at all if Codegen should try to guess, MC is the
one that should know the default flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126421 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2011-02-24 20:18:01 +00:00
parent 3a96275200
commit 0412d5b40a
1 changed files with 7 additions and 0 deletions
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7
lib/CodeGen/TargetLoweringObjectFileImpl.cpp
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@ -178,6 +178,10 @@ const MCSection *TargetLoweringObjectFileELF::getEHFrameSection() const {
static SectionKind
getELFKindForNamedSection(StringRef Name, SectionKind K) {
// FIXME: Why is this here? Codegen is should not be in the business
// of figuring section flags. If the user wrote section(".eh_frame"),
// we should just pass that to MC which will defer to the assembly
// or use its default if producing an object file.
if (Name.empty() || Name[0] != '.') return K;
// Some lame default implementation based on some magic section names.
@ -203,6 +207,9 @@ getELFKindForNamedSection(StringRef Name, SectionKind K) {
Name.startswith(".llvm.linkonce.tb."))
return SectionKind::getThreadBSS();
if (Name == ".eh_frame")
return SectionKind::getDataRel();
return K;
}