sigbus.c (50a75ff680ec8999baa0bffc49af8c6ad5c0035a) sigbus.c (6a6f4295748030e302a5768c5098a484d25a5b12)
1#define _GNU_SOURCE 1
2
3#include <assert.h>
4#include <stdlib.h>
5#include <signal.h>
6#include <endian.h>
7
8
1#define _GNU_SOURCE 1
2
3#include <assert.h>
4#include <stdlib.h>
5#include <signal.h>
6#include <endian.h>
7
8
9unsigned long long x = 0x8877665544332211ull;
10void * volatile p = (void *)&x + 1;
9char x[32] __attribute__((aligned(16))) = {
10 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
11 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
12 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
13 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20,
14};
15void * volatile p = (void *)&x + 15;
11
12void sigbus(int sig, siginfo_t *info, void *uc)
13{
14 assert(sig == SIGBUS);
15 assert(info->si_signo == SIGBUS);
16#ifdef BUS_ADRALN
17 assert(info->si_code == BUS_ADRALN);
18#endif

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55
56 assert(allow_fail);
57
58 /*
59 * We didn't see a signal.
60 * We might as well validate the unaligned load worked.
61 */
62 if (BYTE_ORDER == LITTLE_ENDIAN) {
16
17void sigbus(int sig, siginfo_t *info, void *uc)
18{
19 assert(sig == SIGBUS);
20 assert(info->si_signo == SIGBUS);
21#ifdef BUS_ADRALN
22 assert(info->si_code == BUS_ADRALN);
23#endif

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60
61 assert(allow_fail);
62
63 /*
64 * We didn't see a signal.
65 * We might as well validate the unaligned load worked.
66 */
67 if (BYTE_ORDER == LITTLE_ENDIAN) {
63 assert(tmp == 0x55443322);
68 assert(tmp == 0x13121110);
64 } else {
69 } else {
65 assert(tmp == 0x77665544);
70 assert(tmp == 0x10111213);
66 }
67 return EXIT_SUCCESS;
68}
71 }
72 return EXIT_SUCCESS;
73}