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author | Michael Gottesman <mgottesman@apple.com> | 2013-08-12 18:45:38 +0000 |
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committer | Michael Gottesman <mgottesman@apple.com> | 2013-08-12 18:45:38 +0000 |
commit | 15b2782ccf141930cc98507a1cb1d501fbfd4000 (patch) | |
tree | a82067a00fd444fd96c633f4b28807170c474439 | |
parent | 2a64a639e5f2870a2a898a593fc37a800f977d5e (diff) | |
download | llvm-15b2782ccf141930cc98507a1cb1d501fbfd4000.tar.gz llvm-15b2782ccf141930cc98507a1cb1d501fbfd4000.tar.bz2 llvm-15b2782ccf141930cc98507a1cb1d501fbfd4000.tar.xz |
[stackprotector] Add in the stackprotector libcall.
We support this libcall on all platforms except for OpenBSD (See
lib/Codegen/StackProtector.cpp).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188193 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | include/llvm/CodeGen/RuntimeLibcalls.h | 3 | ||||
-rw-r--r-- | lib/CodeGen/TargetLoweringBase.cpp | 7 |
2 files changed, 10 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/RuntimeLibcalls.h b/include/llvm/CodeGen/RuntimeLibcalls.h index e578b509cf..14769ec205 100644 --- a/include/llvm/CodeGen/RuntimeLibcalls.h +++ b/include/llvm/CodeGen/RuntimeLibcalls.h @@ -354,6 +354,9 @@ namespace RTLIB { SYNC_FETCH_AND_NAND_4, SYNC_FETCH_AND_NAND_8, + // Stack Protector Fail. + STACKPROTECTOR_CHECK_FAIL, + UNKNOWN_LIBCALL }; diff --git a/lib/CodeGen/TargetLoweringBase.cpp b/lib/CodeGen/TargetLoweringBase.cpp index b3711adce0..55125bd23f 100644 --- a/lib/CodeGen/TargetLoweringBase.cpp +++ b/lib/CodeGen/TargetLoweringBase.cpp @@ -361,6 +361,13 @@ static void InitLibcallNames(const char **Names, const TargetMachine &TM) { Names[RTLIB::SINCOS_F128] = 0; Names[RTLIB::SINCOS_PPCF128] = 0; } + + if (Triple(TM.getTargetTriple()).getOS() != Triple::OpenBSD) { + Names[RTLIB::STACKPROTECTOR_CHECK_FAIL] = "__stack_chk_fail"; + } else { + // These are generally not available. + Names[RTLIB::STACKPROTECTOR_CHECK_FAIL] = 0; + } } /// InitLibcallCallingConvs - Set default libcall CallingConvs. |