1 files changed, 65 insertions, 0 deletions
diff --git a/compiler-rt/test/asan/TestCases/Linux/odr-violation.cpp b/compiler-rt/test/asan/TestCases/Linux/odr-violation.cpp
new file mode 100644
index 00000000000..9cdafca91b1
--- /dev/null
+++ b/compiler-rt/test/asan/TestCases/Linux/odr-violation.cpp
@@ -0,0 +1,65 @@
+// FIXME: https://code.google.com/p/address-sanitizer/issues/detail?id=316
+// XFAIL: android
+//
+// We use fast_unwind_on_malloc=0 to have full unwinding even w/o frame
+// pointers. This setting is not on by default because it's too expensive.
+//
+// Different size: detect a bug if detect_odr_violation>=1
+// RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %dynamiclib
+// RUN: %clangxx_asan %s %ld_flags_rpath_exe -o %t-ODR-EXE
+// RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=1 not %run %t-ODR-EXE 2>&1 | FileCheck %s
+// RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=2 not %run %t-ODR-EXE 2>&1 | FileCheck %s
+// RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=0     %run %t-ODR-EXE 2>&1 | FileCheck %s --check-prefix=DISABLED
+// RUN: %env_asan_opts=fast_unwind_on_malloc=0                        not %run %t-ODR-EXE 2>&1 | FileCheck %s
+//
+// Same size: report a bug only if detect_odr_violation>=2.
+// RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %dynamiclib -DSZ=100
+// RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=1     %run %t-ODR-EXE 2>&1 | FileCheck %s --check-prefix=DISABLED
+// RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=2 not %run %t-ODR-EXE 2>&1 | FileCheck %s
+// RUN: %env_asan_opts=fast_unwind_on_malloc=0                        not %run %t-ODR-EXE 2>&1 | FileCheck %s
+// RUN: echo "odr_violation:foo::ZZZ" > %t.supp
+// RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=2:suppressions=%t.supp  not %run %t-ODR-EXE 2>&1 | FileCheck %s
+// RUN: echo "odr_violation:foo::G" > %t.supp
+// RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=2:suppressions=%t.supp      %run %t-ODR-EXE 2>&1 | FileCheck %s --check-prefix=DISABLED
+// RUN: rm -f %t.supp
+//
+// Use private aliases for global variables without indicator symbol.
+// RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared -mllvm -asan-use-private-alias %s -o %dynamiclib -DSZ=100
+// RUN: %clangxx_asan -mllvm -asan-use-private-alias %s %ld_flags_rpath_exe -o %t-ODR-EXE
+// RUN: %env_asan_opts=fast_unwind_on_malloc=0 %run %t-ODR-EXE 2>&1 | FileCheck %s --check-prefix=DISABLED
+
+// Use private aliases for global variables: use indicator symbol to detect ODR violation.
+// RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared -mllvm -asan-use-private-alias -mllvm -asan-use-odr-indicator  %s -o %dynamiclib -DSZ=100
+// RUN: %clangxx_asan -mllvm -asan-use-private-alias -mllvm -asan-use-odr-indicator %s %ld_flags_rpath_exe -o %t-ODR-EXE
+// RUN: %env_asan_opts=fast_unwind_on_malloc=0 not %run %t-ODR-EXE 2>&1 | FileCheck %s
+
+// Same as above but with clang switches.
+// RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared -fsanitize-address-use-odr-indicator %s -o %dynamiclib -DSZ=100
+// RUN: %clangxx_asan -fsanitize-address-use-odr-indicator %s %ld_flags_rpath_exe -o %t-ODR-EXE
+// RUN: %env_asan_opts=fast_unwind_on_malloc=0 not %run %t-ODR-EXE 2>&1 | FileCheck %s
+
+// GNU driver doesn't handle .so files properly.
+// REQUIRES: Clang
+
+#ifndef SZ
+# define SZ 4
+#endif
+
+#if BUILD_SO
+namespace foo { char G[SZ]; }
+#else
+#include <stdio.h>
+namespace foo { char G[100]; }
+// CHECK: ERROR: AddressSanitizer: odr-violation
+// CHECK: size=100 'foo::G' {{.*}}odr-violation.cpp:[[@LINE-2]]:22
+// CHECK: size={{4|100}} 'foo::G'
+int main(int argc, char **argv) {
+  printf("PASS: %p\n", &foo::G);
+}
+#endif
+
+// CHECK: These globals were registered at these points:
+// CHECK: ODR-EXE
+// CHECK: odr-violation.cpp.dynamic
+// CHECK: SUMMARY: AddressSanitizer: odr-violation: global 'foo::G' at {{.*}}odr-violation.cpp
+// DISABLED: PASS