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| author | Steven Wu <stevenwu@apple.com> | 2018-04-10 20:16:35 +0000 |
|---|---|---|
| committer | Steven Wu <stevenwu@apple.com> | 2018-04-10 20:16:35 +0000 |
| commit | d0804aa6dc476f75017a74d5fd77e737efe9a9ea (patch) | |
| tree | 63f04a66107c24bc5694b7164efcccac0e6dcb30 /llvm/lib/MC/MCObjectFileInfo.cpp | |
| parent | c0f879bcecd4058732aad6c1e113adf78990f5a3 (diff) | |
| download | llvm-d0804aa6dc476f75017a74d5fd77e737efe9a9ea.zip llvm-d0804aa6dc476f75017a74d5fd77e737efe9a9ea.tar.gz llvm-d0804aa6dc476f75017a74d5fd77e737efe9a9ea.tar.bz2 | |
[MachO] Emit Weak ReadOnlyWithRel to ConstDataSection
Summary:
Darwin dynamic linker can handle weak symbols in ConstDataSection.
ReadonReadOnlyWithRel symbols should be emitted in ConstDataSection
instead of normal DataSection.
rdar://problem/39298457
Reviewers: dexonsmith, kledzik
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D45472
llvm-svn: 329752
Diffstat (limited to 'llvm/lib/MC/MCObjectFileInfo.cpp')
| -rw-r--r-- | llvm/lib/MC/MCObjectFileInfo.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/llvm/lib/MC/MCObjectFileInfo.cpp b/llvm/lib/MC/MCObjectFileInfo.cpp index b154c98..5b36361 100644 --- a/llvm/lib/MC/MCObjectFileInfo.cpp +++ b/llvm/lib/MC/MCObjectFileInfo.cpp @@ -135,6 +135,10 @@ void MCObjectFileInfo::initMachOMCObjectFileInfo(const Triple &T) { // "__DATA/__datacoal_nt" => section "__DATA/__data" Triple::ArchType ArchTy = T.getArch(); + ConstDataSection // .const_data + = Ctx->getMachOSection("__DATA", "__const", 0, + SectionKind::getReadOnlyWithRel()); + if (ArchTy == Triple::ppc || ArchTy == Triple::ppc64) { TextCoalSection = Ctx->getMachOSection("__TEXT", "__textcoal_nt", @@ -147,15 +151,14 @@ void MCObjectFileInfo::initMachOMCObjectFileInfo(const Triple &T) { SectionKind::getReadOnly()); DataCoalSection = Ctx->getMachOSection( "__DATA", "__datacoal_nt", MachO::S_COALESCED, SectionKind::getData()); + ConstDataCoalSection = DataCoalSection; } else { TextCoalSection = TextSection; ConstTextCoalSection = ReadOnlySection; DataCoalSection = DataSection; + ConstDataCoalSection = ConstDataSection; } - ConstDataSection // .const_data - = Ctx->getMachOSection("__DATA", "__const", 0, - SectionKind::getReadOnlyWithRel()); DataCommonSection = Ctx->getMachOSection("__DATA","__common", MachO::S_ZEROFILL, |