1 // RUN: %clangxx_asan -g -O2 %s -o %t 2 // RUN: not %run %t g 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=GLOB 3 // RUN: not %run %t c 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CLASS_STATIC 4 // RUN: not %run %t f 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=FUNC_STATIC 5 // RUN: not %run %t l 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=LITERAL 6 7 // COFF doesn't support debuginfo for globals. For the non-debuginfo tests, see global-location-nodebug.cpp. 8 // XFAIL: windows-msvc 9 10 // CHECK: AddressSanitizer: global-buffer-overflow 11 12 #include <string.h> 13 14 struct C { 15 static int array[10]; 16 // CLASS_STATIC: 0x{{.*}} is located 4 bytes to the right of global variable 'C::array' defined in '{{.*}}global-location.cpp:[[@LINE-1]]' {{.*}} of size 40 17 }; 18 19 int global[10]; 20 // GLOB: 0x{{.*}} is located 4 bytes to the right of global variable 'global' defined in '{{.*}}global-location.cpp:[[@LINE-1]]' {{.*}} of size 40 21 int C::array[10]; 22 23 int main(int argc, char **argv) { 24 int one = argc - 1; 25 switch (argv[1][0]) { 26 case 'g': return global[one * 11]; 27 case 'c': return C::array[one * 11]; 28 case 'f': 29 static int array[10]; 30 // FUNC_STATIC: 0x{{.*}} is located 4 bytes to the right of global variable 'array' defined in '{{.*}}global-location.cpp:[[@LINE-1]]' {{.*}} of size 40 31 memset(array, 0, 10); 32 return array[one * 11]; 33 case 'l': 34 const char *str = "0123456789"; 35 // LITERAL: 0x{{.*}} is located 0 bytes to the right of global variable {{.*}} defined in '{{.*}}global-location.cpp:[[@LINE-1]]' {{.*}} of size 11 36 return str[one * 11]; 37 } 38 return 0; 39 } 40 41 // CHECK: SUMMARY: AddressSanitizer: global-buffer-overflow 42