int test_copy_exception(void)
{
int page_size;
static char *p, *q;
unsigned long src, dst, len;
page_size = getpagesize();
p = mmap(NULL, page_size * 2, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
if (p == MAP_FAILED) {
perror("mmap");
exit(1);
}
memset(p, 0, page_size);
setup_segv_handler();
if (mprotect(p + page_size, page_size, PROT_NONE)) {
perror("mprotect");
exit(1);
}
q = p + page_size - MAX_LEN;
for (src = 0; src < MAX_LEN; src++) {
for (dst = 0; dst < MAX_LEN; dst++) {
for (len = 0; len < MAX_LEN+1; len++) {
// printf("from=%p to=%p len=%ld\n", q+dst, q+src, len);
do_one_test(q+dst, q+src, len);
}
}
}
printf("Totals:\n");
printf(" Pass: %d\n", total_passed);
printf(" Fail: %d\n", total_failed);
return 0;
}
static int test_body(void)
{
unsigned long i;
page_size = getpagesize();
mem_region = mmap(NULL, page_size * 2, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
FAIL_IF(mem_region == MAP_FAILED);
for (i = 0; i < page_size; i++)
mem_region[i] = i;
memset(mem_region+page_size, 0, page_size);
setup_segv_handler();
for (i = 0; i < page_size; i++)
FAIL_IF(do_one_test(mem_region+i, i));
FAIL_IF(segv_error);
return 0;
}