maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity
llvm-project/clang/test/CodeGen/shadowcallstack-attr.c

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

17 lines
753 B
C
Raw Normal View History

Add the -fsanitize=shadow-call-stack flag Summary: Add support for the -fsanitize=shadow-call-stack flag which causes clang to add ShadowCallStack attribute to functions compiled with that flag enabled. Reviewers: pcc, kcc Reviewed By: pcc, kcc Subscribers: cryptoad, cfe-commits, kcc Differential Revision: https://reviews.llvm.org/D44801 llvm-svn: 329122
2018-04-04 06:33:53 +08:00
// RUN: %clang_cc1 -triple x86_64-linux-unknown -emit-llvm -o - %s -fsanitize=shadow-call-stack | FileCheck -check-prefix=UNBLACKLISTED %s
// RUN: %clang_cc1 -D ATTR -triple x86_64-linux-unknown -emit-llvm -o - %s -fsanitize=shadow-call-stack | FileCheck -check-prefix=BLACKLISTED %s
// RUN: echo -e "[shadow-call-stack]\nfun:foo" > %t
// RUN: %clang_cc1 -fsanitize-blacklist=%t -triple x86_64-linux-unknown -emit-llvm -o - %s -fsanitize=shadow-call-stack | FileCheck -check-prefix=BLACKLISTED %s
#ifdef ATTR
__attribute__((no_sanitize("shadow-call-stack")))
#endif
int foo(int *a) { return *a; }
// CHECK: define i32 @foo(i32* %a)
// BLACKLISTED-NOT: attributes {{.*}}shadowcallstack{{.*}}
// UNBLACKLISTED: attributes {{.*}}shadowcallstack{{.*}}