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authorFangrui Song <maskray@google.com>2019-08-02 06:07:05 +0000
committerFangrui Song <maskray@google.com>2019-08-02 06:07:05 +0000
commit871e3822d6679af8f7cfa763b65258e47f2d8d69 (patch)
tree10a44a1d29f910a8a20395f949d24063021d4651 /test/msan/sigaction.cpp
parent47a529b8d28fde062f77140eaf027047150fed8e (diff)
downloadcompiler-rt-871e3822d6679af8f7cfa763b65258e47f2d8d69.tar.gz
compiler-rt: Rename .cc file in test/msan to .cpp
Like r367463, but for test/msan. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@367653 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/msan/sigaction.cpp')
-rw-r--r--test/msan/sigaction.cpp47
1 files changed, 47 insertions, 0 deletions
diff --git a/test/msan/sigaction.cpp b/test/msan/sigaction.cpp
new file mode 100644
index 000000000..0c69f115f
--- /dev/null
+++ b/test/msan/sigaction.cpp
@@ -0,0 +1,47 @@
+// RUN: %clangxx_msan -std=c++11 -O0 -g %s -o %t
+// RUN: %run %t __
+// RUN: not %run %t A_ 2>&1 | FileCheck %s
+// RUN: not %run %t AH 2>&1 | FileCheck %s
+// RUN: not %run %t B_ 2>&1 | FileCheck %s
+// RUN: not %run %t BH 2>&1 | FileCheck %s
+// RUN: not %run %t C_ 2>&1 | FileCheck %s
+// RUN: not %run %t CH 2>&1 | FileCheck %s
+
+#include <assert.h>
+#include <signal.h>
+#include <string.h>
+#include <sys/time.h>
+#include <unistd.h>
+
+#include <sanitizer/msan_interface.h>
+
+void handler(int) {}
+void action(int, siginfo_t *, void *) {}
+
+int main(int argc, char **argv) {
+ char T = argv[1][0];
+ char H = argv[1][1];
+ struct sigaction sa;
+ memset(&sa, 0, sizeof(sa));
+ if (H == 'H') {
+ sa.sa_handler = handler;
+ } else {
+ sa.sa_sigaction = action;
+ sa.sa_flags = SA_SIGINFO;
+ }
+
+ if (T == 'A') {
+ if (H == 'H')
+ __msan_poison(&sa.sa_handler, sizeof(sa.sa_handler));
+ else
+ __msan_poison(&sa.sa_sigaction, sizeof(sa.sa_sigaction));
+ }
+ if (T == 'B')
+ __msan_poison(&sa.sa_flags, sizeof(sa.sa_flags));
+ if (T == 'C')
+ __msan_poison(&sa.sa_mask, sizeof(sa.sa_mask));
+ // CHECK: use-of-uninitialized-value
+ int res = sigaction(SIGUSR1, &sa, nullptr);
+ assert(res == 0);
+ return 0;
+}