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author | Peter Collingbourne <peter@pcc.me.uk> | 2015-07-15 12:15:56 +0000 |
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committer | Peter Collingbourne <peter@pcc.me.uk> | 2015-07-15 12:15:56 +0000 |
commit | 82a8792ad361e9443615fc81ee8dd37c76e64dbd (patch) | |
tree | 591af7f17ee37bb82ff1b4179f21d00c069a5d1c /test/CodeGenCXX/cfi-blacklist.cpp | |
parent | 67e7ef96464acd8cd643fa06bf02b9006f5c4f06 (diff) | |
download | clang-82a8792ad361e9443615fc81ee8dd37c76e64dbd.tar.gz |
CodeGen: Improve CFI type blacklisting mechanism.
We now use the sanitizer special case list to decide which types to blacklist.
We also support a special blacklist entry for types with a uuid attribute,
which are generally COM types whose virtual tables are defined externally.
Differential Revision: http://reviews.llvm.org/D11096
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@242286 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGenCXX/cfi-blacklist.cpp')
-rw-r--r-- | test/CodeGenCXX/cfi-blacklist.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/CodeGenCXX/cfi-blacklist.cpp b/test/CodeGenCXX/cfi-blacklist.cpp new file mode 100644 index 0000000000..32ed05bcc5 --- /dev/null +++ b/test/CodeGenCXX/cfi-blacklist.cpp @@ -0,0 +1,30 @@ +// RUN: echo "type:attr:uuid" > %t.txt +// RUN: %clang_cc1 -fms-extensions -fsanitize=cfi-vcall -fsanitize-blacklist=%t.txt -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=NOUUID %s +// RUN: echo "type:std::*" > %t.txt +// RUN: %clang_cc1 -fms-extensions -fsanitize=cfi-vcall -fsanitize-blacklist=%t.txt -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=NOSTD %s + +struct __declspec(uuid("00000000-0000-0000-0000-000000000000")) S1 { + virtual void f(); +}; + +namespace std { + +struct S2 { + virtual void f(); +}; + +} + +// CHECK: define{{.*}}s1f +// NOSTD: llvm.bitset.test +// NOUUID-NOT: llvm.bitset.test +void s1f(S1 *s1) { + s1->f(); +} + +// CHECK: define{{.*}}s2f +// NOSTD-NOT: llvm.bitset.test +// NOUUID: llvm.bitset.test +void s2f(std::S2 *s2) { + s2->f(); +} |