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111
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1 /* Limit this to known non-strict alignment targets. */
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2 /* { dg-do run { target { i?86-*-linux* x86_64-*-linux* } } } */
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145
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3 /* { dg-options "-fsanitize=alignment -Wno-address-of-packed-member" } */
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111
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4
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5 struct S { int a; char b; long long c; short d[10]; };
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6 struct T { char a; long long b; };
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7 struct U { char a; int b; int c; long long d; struct S e; struct T f; } __attribute__((packed));
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8 struct V { long long a; struct S b; struct T c; struct U u; } v;
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9
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10 __attribute__((noinline, noclone)) void
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11 f1 (int *p, int *q, char *r, long long *s)
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12 {
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13 *p =
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14 *q
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15 + *r
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16 + *s;
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17 }
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18
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19
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20 __attribute__((noinline, noclone)) int
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21 f2 (struct S *p)
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22 {
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23 return p->a;
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24 }
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25
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26 __attribute__((noinline, noclone)) long long
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27 f3 (struct S *p, int i)
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28 {
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29 return p->c
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30 + p->d[1]
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31 + p->d[i];
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32 }
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33
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34 __attribute__((noinline, noclone)) long long
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35 f4 (long long *p)
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36 {
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37 return *p;
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38 }
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39
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40 int
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41 main ()
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42 {
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43 f1 (&v.u.b, &v.u.c, &v.u.a, &v.u.d);
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44 if (f2 (&v.u.e) + f3 (&v.u.e, 4) + f4 (&v.u.f.b) != 0)
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45 __builtin_abort ();
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46 return 0;
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47 }
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48
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49 /* { dg-output "\.c:(14|15):\[0-9]*: \[^\n\r]*load of misaligned address 0x\[0-9a-fA-F]* for type 'int', which requires 4 byte alignment.*" } */
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50 /* { dg-output "\.c:16:\[0-9]*: \[^\n\r]*load of misaligned address 0x\[0-9a-fA-F]* for type 'long long int', which requires \[48] byte alignment.*" } */
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51 /* { dg-output "\.c:(13|16):\[0-9]*: \[^\n\r]*store to misaligned address 0x\[0-9a-fA-F]* for type 'int', which requires 4 byte alignment.*" } */
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52 /* { dg-output "\.c:23:\[0-9]*: \[^\n\r]*member access within misaligned address 0x\[0-9a-fA-F]* for type 'struct S', which requires \[48] byte alignment.*" } */
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53 /* { dg-output "\.c:(29|30):\[0-9]*: \[^\n\r]*member access within misaligned address 0x\[0-9a-fA-F]* for type 'struct S', which requires \[48] byte alignment.*" } */
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54 /* { dg-output "\.c:30:\[0-9]*: \[^\n\r]*member access within misaligned address 0x\[0-9a-fA-F]* for type 'struct S', which requires \[48] byte alignment.*" } */
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55 /* { dg-output "\.c:31:\[0-9]*: \[^\n\r]*member access within misaligned address 0x\[0-9a-fA-F]* for type 'struct S', which requires \[48] byte alignment.*" } */
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56 /* { dg-output "\.c:37:\[0-9]*: \[^\n\r]*load of misaligned address 0x\[0-9a-fA-F]* for type 'long long int', which requires \[48] byte alignment" } */
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