[ASan] Optional support for dynamic ASan runtime on Linux.

Based on http://llvm-reviews.chandlerc.com/D3042 by Yuri Gribov!


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@205308 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 24 insertions, 0 deletions

diff --git a/test/asan/TestCases/Linux/asan_rt_confict_test-2.cc b/test/asan/TestCases/Linux/asan_rt_confict_test-2.cc
new file mode 100644
index 000000000..3898e7bb1
--- /dev/null
+++ b/test/asan/TestCases/Linux/asan_rt_confict_test-2.cc
@@ -0,0 +1,24 @@
+// Test that mixed static/dynamic sanitization of program objects
+// is prohibited.
+//
+// RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %t.so
+// RUN: %clangxx_asan_static %s %t.so -o %t
+// RUN: not %t 2>&1 | FileCheck %s
+
+// REQUIRES: asan-dynamic-runtime
+
+#if BUILD_SO
+char dummy;
+void do_access(const void *p) { dummy = ((const char *)p)[1]; }
+#else
+#include <stdlib.h>
+extern void do_access(const void *p);
+int main(int argc, char **argv) {
+  void *p = malloc(1);
+  do_access(p);
+  free(p);
+  return 0;
+}
+#endif
+
+// CHECK: Your application is linked against incompatible ASan runtimes