1 // FIXME: https://code.google.com/p/address-sanitizer/issues/detail?id=316
2 // XFAIL: android
3 // XFAIL: mips64
4 //
5 // We use fast_unwind_on_malloc=0 to have full unwinding even w/o frame
6 // pointers. This setting is not on by default because it's too expensive.
7 //
8 // Different size: detect a bug if detect_odr_violation>=1
9 // RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %t-ODR-SO.so
10 // RUN: %clangxx_asan %s %t-ODR-SO.so -Wl,-R. -o %t-ODR-EXE
11 // RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=1 not %run %t-ODR-EXE 2>&1 | FileCheck %s
12 // RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=2 not %run %t-ODR-EXE 2>&1 | FileCheck %s
13 // RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=0     %run %t-ODR-EXE 2>&1 | FileCheck %s --check-prefix=DISABLED
14 // RUN: %env_asan_opts=fast_unwind_on_malloc=0                        not %run %t-ODR-EXE 2>&1 | FileCheck %s
15 //
16 // Same size: report a bug only if detect_odr_violation>=2.
17 // RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %t-ODR-SO.so -DSZ=100
18 // RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=1     %run %t-ODR-EXE 2>&1 | FileCheck %s --check-prefix=DISABLED
19 // RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=2 not %run %t-ODR-EXE 2>&1 | FileCheck %s
20 // RUN: %env_asan_opts=fast_unwind_on_malloc=0                        not %run %t-ODR-EXE 2>&1 | FileCheck %s
21 // RUN: echo "odr_violation:foo::ZZZ" > %t.supp
22 // 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
23 // RUN: echo "odr_violation:foo::G" > %t.supp
24 // 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
25 // RUN: rm -f %t.supp
26 //
27 // Use private aliases for global variables: use indicator symbol to detect ODR violation.
28 // RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared -mllvm -asan-use-private-alias %s -o %t-ODR-SO.so -DSZ=100
29 // RUN: %clangxx_asan -mllvm -asan-use-private-alias %s %t-ODR-SO.so -Wl,-R. -o %t-ODR-EXE
30 // RUN: %env_asan_opts=fast_unwind_on_malloc=0                              %run %t-ODR-EXE 2>&1 | FileCheck %s --check-prefix=DISABLED
31 // RUN: %env_asan_opts=fast_unwind_on_malloc=0:use_odr_indicator=false      %run %t-ODR-EXE 2>&1 | FileCheck %s --check-prefix=DISABLED
32 // RUN: %env_asan_opts=fast_unwind_on_malloc=0:use_odr_indicator=true   not %run %t-ODR-EXE 2>&1 | FileCheck %s
33 
34 // GNU driver doesn't handle .so files properly.
35 // REQUIRES: Clang
36 
37 #ifndef SZ
38 # define SZ 4
39 #endif
40 
41 #if BUILD_SO
42 namespace foo { char G[SZ]; }
43 #else
44 #include <stdio.h>
45 namespace foo { char G[100]; }
46 // CHECK: ERROR: AddressSanitizer: odr-violation
47 // CHECK: size=100 'foo::G' {{.*}}odr-violation.cc:[[@LINE-2]]:22
48 // CHECK: size={{4|100}} 'foo::G'
main(int argc,char ** argv)49 int main(int argc, char **argv) {
50   printf("PASS: %p\n", &foo::G);
51 }
52 #endif
53 
54 // CHECK: These globals were registered at these points:
55 // CHECK: ODR-EXE
56 // CHECK: ODR-SO
57 // CHECK: SUMMARY: AddressSanitizer: odr-violation: global 'foo::G' at {{.*}}odr-violation.cc
58 // DISABLED: PASS
59