diff options
| author | Bill Wendling <isanbard@gmail.com> | 2009-06-28 07:36:13 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2009-06-28 07:36:13 +0000 |
| commit | 45483f7a1b3e57b4603b141bee80596b2d4dd443 (patch) | |
| tree | 8fa4caaaa5f0ca371dd4be9d4b47f1c7808e8945 /lib/Frontend/InitPreprocessor.cpp | |
| parent | 1bd1f6e85a011fe3129dc2898857e72741d36667 (diff) | |
Add stack protector support to clang. This generates the 'ssp' and 'sspreq'
function attributes. There are predefined macros that are defined when stack
protectors are used: __SSP__=1 with -fstack-protector and __SSP_ALL__=2 with
-fstack-protector-all.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@74405 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Frontend/InitPreprocessor.cpp')
| -rw-r--r-- | lib/Frontend/InitPreprocessor.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/Frontend/InitPreprocessor.cpp b/lib/Frontend/InitPreprocessor.cpp index 730414e448..554868fd27 100644 --- a/lib/Frontend/InitPreprocessor.cpp +++ b/lib/Frontend/InitPreprocessor.cpp @@ -423,7 +423,12 @@ static void InitializePredefinedMacros(const TargetInfo &TI, sprintf(MacroBuf, "__DECIMAL_DIG__=%d", PickFP(&TI.getLongDoubleFormat(), -1/*FIXME*/, 17, 21, 33, 36)); DefineBuiltinMacro(Buf, MacroBuf); - + + if (LangOpts.StackProtector == 1) + DefineBuiltinMacro(Buf, "__SSP__=1"); + else if (LangOpts.StackProtector == 2) + DefineBuiltinMacro(Buf, "__SSP_ALL__=2"); + // Get other target #defines. TI.getTargetDefines(LangOpts, Buf); } |