test/asan/TestCases/Linux/odr-violation.cc

   1 // FIXME: https://code.google.com/p/address-sanitizer/issues/detail?id=316
   2 // XFAIL: android
   3 //
   4 // Different size: detect a bug if detect_odr_violation>=1
   5 // RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %t-ODR-SO.so
   6 // RUN: %clangxx_asan %s %t-ODR-SO.so -Wl,-R. -o %t-ODR-EXE
   7 // RUN: ASAN_OPTIONS=detect_odr_violation=1 not %run %t-ODR-EXE 2>&1 | FileCheck %s
   8 // RUN: ASAN_OPTIONS=detect_odr_violation=2 not %run %t-ODR-EXE 2>&1 | FileCheck %s
   9 // RUN: ASAN_OPTIONS=detect_odr_violation=0     %run %t-ODR-EXE 2>&1 | FileCheck %s --check-prefix=DISABLED
  10 // RUN:                                     not %run %t-ODR-EXE 2>&1 | FileCheck %s
  11 //
  12 // Same size: report a bug only if detect_odr_violation>=2.
  13 // RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %t-ODR-SO.so -DSZ=100
  14 // RUN: ASAN_OPTIONS=detect_odr_violation=1     %run %t-ODR-EXE 2>&1 | FileCheck %s --check-prefix=DISABLED
  15 // RUN: ASAN_OPTIONS=detect_odr_violation=2 not %run %t-ODR-EXE 2>&1 | FileCheck %s
  16 // RUN:                                     not %run %t-ODR-EXE 2>&1 | FileCheck %s
  17
  18 // GNU driver doesn't handle .so files properly.
  19 // REQUIRES: Clang
  20
  21 #ifndef SZ
  22 # define SZ 4
  23 #endif
  24
  25 #if BUILD_SO
  26 namespace foo { char G[SZ]; }
  27 #else
  28 #include <stdio.h>
  29 namespace foo { char G[100]; }
  30 // CHECK: ERROR: AddressSanitizer: odr-violation
  31 // CHECK: size=100 'foo::G' {{.*}}odr-violation.cc:[[@LINE-2]]:22
  32 // CHECK: size={{4|100}} 'foo::G'
  33 int main(int argc, char **argv) {
  34   printf("PASS: %p\n", &foo::G);
  35 }
  36 #endif
  37
  38 // CHECK: These globals were registered at these points:
  39 // CHECK: ODR-EXE
  40 // CHECK: ODR-SO
  41 // CHECK: SUMMARY: AddressSanitizer: odr-violation: global 'foo::G' at {{.*}}odr-violation.cc
  42 // DISABLED: PASS