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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
17 lines
753 B
C
17 lines
753 B
C
// RUN: %clang_cc1 -triple x86_64-linux-unknown -emit-llvm -o - %s -fsanitize=shadow-call-stack | FileCheck -check-prefix=UNBLACKLISTED %s
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// RUN: %clang_cc1 -D ATTR -triple x86_64-linux-unknown -emit-llvm -o - %s -fsanitize=shadow-call-stack | FileCheck -check-prefix=BLACKLISTED %s
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// RUN: echo -e "[shadow-call-stack]\nfun:foo" > %t
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// RUN: %clang_cc1 -fsanitize-blacklist=%t -triple x86_64-linux-unknown -emit-llvm -o - %s -fsanitize=shadow-call-stack | FileCheck -check-prefix=BLACKLISTED %s
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#ifdef ATTR
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__attribute__((no_sanitize("shadow-call-stack")))
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#endif
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int foo(int *a) { return *a; }
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// CHECK: define i32 @foo(i32* %a)
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// BLACKLISTED-NOT: attributes {{.*}}shadowcallstack{{.*}}
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// UNBLACKLISTED: attributes {{.*}}shadowcallstack{{.*}}
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