test/msan/msan_print_shadow2.cc

   1 // RUN: %clangxx_msan -m64 -O0 -g %s -o %t && %run %t >%t.out 2>&1
   2 // RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NO-ORIGINS < %t.out
   3
   4 // RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O0 -g %s -o %t && %run %t >%t.out 2>&1
   5 // RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-ORIGINS < %t.out
   6
   7 // RUN: %clangxx_msan -fsanitize-memory-track-origins=2 -m64 -O0 -g %s -o %t && %run %t >%t.out 2>&1
   8 // RUN: FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-ORIGINS < %t.out
   9
  10 #include <sanitizer/msan_interface.h>
  11
  12 int main(void) {
  13   char *p = new char[16];
  14   __msan_print_shadow(p, 1);
  15   __msan_print_shadow(p+1, 1);
  16   __msan_print_shadow(p+3, 1);
  17   __msan_print_shadow(p+15, 1);
  18   __msan_print_shadow(p, 0);
  19   delete[] p;
  20   int x = 0;
  21   __msan_print_shadow(&x, 3);
  22   return 0;
  23 }
  24
  25 // CHECK: Shadow map of [0x{{.*}}, 0x{{.*}}), 1 bytes:
  26 // CHECK-NO-ORIGINS:   0x{{.*}}: ff...... ........ ........ ........
  27 // CHECK-ORIGINS:   0x{{.*}}: ff...... ........ ........ ........  |A . . .|
  28 // CHECK-ORIGINS: Origin A (origin_id {{.*}}):
  29
  30 // CHECK: Shadow map of [0x{{.*}}, 0x{{.*}}), 1 bytes:
  31 // CHECK-NO-ORIGINS:   0x{{.*}}: ..ff.... ........ ........ ........
  32 // CHECK-ORIGINS:   0x{{.*}}: ..ff.... ........ ........ ........  |A . . .|
  33 // CHECK-ORIGINS: Origin A (origin_id {{.*}}):
  34
  35 // CHECK: Shadow map of [0x{{.*}}, 0x{{.*}}), 1 bytes:
  36 // CHECK-NO-ORIGINS:   0x{{.*}}: ......ff ........ ........ ........
  37 // CHECK-ORIGINS:   0x{{.*}}: ......ff ........ ........ ........  |A . . .|
  38 // CHECK-ORIGINS: Origin A (origin_id {{.*}}):
  39
  40 // CHECK: Shadow map of [0x{{.*}}, 0x{{.*}}), 1 bytes:
  41 // CHECK-NO-ORIGINS:   0x{{.*}}: ......ff ........ ........ ........
  42 // CHECK-ORIGINS:   0x{{.*}}: ......ff ........ ........ ........  |A . . .|
  43 // CHECK-ORIGINS: Origin A (origin_id {{.*}}):
  44
  45 // CHECK: Shadow map of [0x{{.*}}, 0x{{.*}}), 0 bytes:
  46
  47 // CHECK: Shadow map of [0x{{.*}}, 0x{{.*}}), 3 bytes:
  48 // CHECK-NO-ORIGINS:   0x{{.*}}: 000000.. ........ ........ ........
  49 // CHECK-ORIGINS:   0x{{.*}}: 000000.. ........ ........ ........  |. . . .|