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authorRafael Espindola <rafael.espindola@gmail.com>2011-05-24 03:10:31 +0000
committerRafael Espindola <rafael.espindola@gmail.com>2011-05-24 03:10:31 +0000
commite6657980977ed63df8bbd2604c9fefe513ac4126 (patch)
treec5296dc06b6653b684e3eefaf6d6f1e0c8f6e58f /lib/CodeGen/TargetLoweringObjectFileImpl.cpp
parent10c3e128efc9a2efd28414400827fa8b457def4d (diff)
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Explain FIXME.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131952 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TargetLoweringObjectFileImpl.cpp')
-rw-r--r--lib/CodeGen/TargetLoweringObjectFileImpl.cpp9
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
index ff88b6f2e9..e9cfe43e6d 100644
--- a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -225,10 +225,11 @@ void TargetLoweringObjectFileELF::emitPersonalityValue(MCStreamer &Streamer,
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.
+ // N.B.: The defaults used in here are no the same ones used in MC.
+ // We follow gcc, MC follows gas. For example, given ".section .eh_frame",
+ // both gas and MC will produce a section with no flags. Given
+ // section(".eh_frame") gcc will produce
+ // .section .eh_frame,"a",@progbits
if (Name.empty() || Name[0] != '.') return K;
// Some lame default implementation based on some magic section names.