[stackprotector] Add command line option -fstack-protector-strong
This option has the following effects:
* It adds the sspstrong IR attribute to each function within the CU.
* It defines the macro __SSP_STRONG__ with the value of 2.
Differential Revision: http://llvm-reviews.chandlerc.com/D2717
llvm-svn: 201120
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 3c75dd5..034730f 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -1435,7 +1435,8 @@
break;
case 0: Opts.setStackProtector(LangOptions::SSPOff); break;
case 1: Opts.setStackProtector(LangOptions::SSPOn); break;
- case 2: Opts.setStackProtector(LangOptions::SSPReq); break;
+ case 2: Opts.setStackProtector(LangOptions::SSPStrong); break;
+ case 3: Opts.setStackProtector(LangOptions::SSPReq); break;
}
// Parse -fsanitize= arguments.