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| author | Adrian McCarthy <amccarth@google.com> | 2018-01-08 16:33:42 +0000 |
|---|---|---|
| committer | Adrian McCarthy <amccarth@google.com> | 2018-01-08 16:33:42 +0000 |
| commit | cf6e6c82c1ca243c3be191c59409d26f76ec8d38 (patch) | |
| tree | 5c0a022d0d1b2d1c574af89040a379b6227deb0e /llvm/lib/MC/MCObjectFileInfo.cpp | |
| parent | f02ad15ff1dd84c73958c002966e3b61f8539f18 (diff) | |
| download | bcm5719-llvm-cf6e6c82c1ca243c3be191c59409d26f76ec8d38.tar.gz bcm5719-llvm-cf6e6c82c1ca243c3be191c59409d26f76ec8d38.zip | |
Emit Function IDs table for Control Flow Guard
Adds option /guard:cf to clang-cl and -cfguard to cc1 to emit function IDs
of functions that have their address taken into a section named .gfids$y for
compatibility with Microsoft's Control Flow Guard feature.
Differential Revision: https://reviews.llvm.org/D40531
llvm-svn: 322005
Diffstat (limited to 'llvm/lib/MC/MCObjectFileInfo.cpp')
| -rw-r--r-- | llvm/lib/MC/MCObjectFileInfo.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/MC/MCObjectFileInfo.cpp b/llvm/lib/MC/MCObjectFileInfo.cpp index a6b5c43f1d2..f0f4dee8fc1 100644 --- a/llvm/lib/MC/MCObjectFileInfo.cpp +++ b/llvm/lib/MC/MCObjectFileInfo.cpp @@ -819,6 +819,11 @@ void MCObjectFileInfo::initCOFFMCObjectFileInfo(const Triple &T) { SXDataSection = Ctx->getCOFFSection(".sxdata", COFF::IMAGE_SCN_LNK_INFO, SectionKind::getMetadata()); + GFIDsSection = Ctx->getCOFFSection(".gfids$y", + COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | + COFF::IMAGE_SCN_MEM_READ, + SectionKind::getMetadata()); + TLSDataSection = Ctx->getCOFFSection( ".tls$", COFF::IMAGE_SCN_CNT_INITIALIZED_DATA | COFF::IMAGE_SCN_MEM_READ | COFF::IMAGE_SCN_MEM_WRITE, |
