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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2013-03-18 08:10:10 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2013-03-18 08:10:10 +0000 |
| commit | 87294b65475ffd4238396dba77d4bbf038b22c4e (patch) | |
| tree | 3042d6b4fb32e2f484712e97d3ee5652f87f30a3 /lib/CodeGen/TargetLoweringObjectFileImpl.cpp | |
| parent | 086a472dbed9911f83add781e020cb49c89829d0 (diff) | |
| download | external_llvm-87294b65475ffd4238396dba77d4bbf038b22c4e.zip external_llvm-87294b65475ffd4238396dba77d4bbf038b22c4e.tar.gz external_llvm-87294b65475ffd4238396dba77d4bbf038b22c4e.tar.bz2 | |
Windows TLS: Section name prefix to ensure correct order
The linker sorts the .tls$<xyz> sections by name, and we need
to make sure any extra sections we produce (e.g. for weak globals)
always end up between .tls$AAA and .tls$ZZZ, even if the name
starts with e.g. an underscore.
Patch by David Nadlinger!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177256 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TargetLoweringObjectFileImpl.cpp')
| -rw-r--r-- | lib/CodeGen/TargetLoweringObjectFileImpl.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp index 9a9ddc9..3bdca4c 100644 --- a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp +++ b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp @@ -742,8 +742,11 @@ static const char *getCOFFSectionPrefixForUniqueGlobal(SectionKind Kind) { return ".text$"; if (Kind.isBSS ()) return ".bss$"; - if (Kind.isThreadLocal()) - return ".tls$"; + if (Kind.isThreadLocal()) { + // 'LLVM' is just an arbitary string to ensure that the section name gets + // sorted in between '.tls$AAA' and '.tls$ZZZ' by the linker. + return ".tls$LLVM"; + } if (Kind.isWriteable()) return ".data$"; return ".rdata$"; |