ack/tests/plat/core/setjmp_c.c
David Given 19cd42124f Rearrange the tests into sets; allow plats to skip sets; pc86 and linux68k now
skip the tests which use floating point instructions (as their emulators don't
support them).
2018-06-08 15:59:04 +09:00

59 lines
1.2 KiB
C

#include <setjmp.h>
#include "test.h"
/*
* Sets i = 2 * i for each i in nums, until i == 0, but stops if
* 2 * i >= 1000.
*
* Uses setjmp() and longjmp() in libc. For ACK's libc, the back end
* must provides EM's _gto_, and _gto_ must preserve the function
* return area.
*/
int nums1[] = { 79, 245, 164, 403, 0};
const int expect1[] = {158, 490, 328, 806, 0};
int nums2[] = {20, 221, 411, 643, 48, 272, 448, 0};
const int expect2[] = {40, 442, 822, 643, 48, 272, 448, 0};
int nums3[] = {371, 265, 500, 124, 117, 0};
const int expect3[] = {742, 530, 500, 124, 117, 0};
int docount = 0;
int twice(int i, jmp_buf esc) {
if (i >= 500)
longjmp(esc, i);
return 2 * i;
}
void donums(int *nums, jmp_buf esc) {
int *p;
docount++;
for (p = nums; *p != 0; p++) {
*p = twice(*p, esc);
}
}
int cknums(int *nums, const int *expect) {
jmp_buf env;
int ret;
ret = setjmp(env);
if (ret == 0)
donums(nums, env);
for (;;) {
ASSERT(*nums == *expect);
if (*expect == 0)
break;
nums++;
expect++;
}
return ret;
}
int main(void) {
ASSERT(cknums(nums1, expect1) == 0);
ASSERT(cknums(nums2, expect2) == 643);
ASSERT(cknums(nums3, expect3) == 500);
ASSERT(docount == 3);
finished();
}