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annotate gcc/testsuite/c-c++-common/asan/pointer-subtract-1.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 84e7813d76e9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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131
84e7813d76e9 gcc-8.2
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1 /* { dg-do run } */
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2 /* { dg-set-target-env-var ASAN_OPTIONS "detect_invalid_pointer_pairs=2 halt_on_error=0" } */
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3 /* { dg-options "-fsanitize=address,pointer-subtract" } */
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4
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5 volatile __PTRDIFF_TYPE__ v;
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6
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7 __attribute__((noipa)) void
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8 foo (char *p, char *q)
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9 {
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10 v = p - q;
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11 }
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12
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13 char global1[100] = {}, global2[100] = {};
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14
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15 int
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16 main ()
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17 {
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18 /* Heap allocated memory. */
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19 char *heap1 = (char *)__builtin_malloc (42);
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20 char *heap2 = (char *)__builtin_malloc (42);
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21
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22 /* { dg-output "ERROR: AddressSanitizer: invalid-pointer-pair.*" } */
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23 foo (heap1, heap2);
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24
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25 /* Global variables. */
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26 /* { dg-output "ERROR: AddressSanitizer: invalid-pointer-pair.*" } */
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27 foo (&global1[0], &global2[10]);
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28
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29 /* Stack variables. */
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30 char stack1, stack2;
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31 /* { dg-output "ERROR: AddressSanitizer: invalid-pointer-pair.*" } */
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32 foo (&stack1, &stack2);
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33
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34 /* Mixtures. */
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35 /* { dg-output "ERROR: AddressSanitizer: invalid-pointer-pair.*" } */
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36 foo (heap1, &stack1);
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37 /* { dg-output "ERROR: AddressSanitizer: invalid-pointer-pair.*" } */
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38 foo (heap1, &global1[0]);
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39 /* { dg-output "ERROR: AddressSanitizer: invalid-pointer-pair" } */
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40 foo (&stack1, &global1[0]);
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41
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42 __builtin_free (heap1);
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43 __builtin_free (heap2);
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44 return 0;
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45 }