sys.c
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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
static inline int mystrlen(char *s) {
int i = 0;
while (s[i])
i++;
return i;
}
void pass(void) {
char s[] = "passed.\n";
write (1, s, sizeof (s) - 1);
exit (0);
}
void _fail(char *reason) {
char s[] = "failed: ";
int len = mystrlen(reason);
write (1, s, sizeof (s) - 1);
write (1, reason, len);
write (1, "\n", 1);
// exit (1);
}
void *memset (void *s, int c, size_t n) {
char *p = s;
int i;
for (i = 0; i < n; i++)
p[i] = c;
return p;
}
void exit (int status) {
asm volatile ("moveq 1, $r9\n" /* NR_exit. */
"break 13\n");
while(1)
;
}
ssize_t write (int fd, const void *buf, size_t count) {
int r;
asm volatile ("moveq 4, $r9\n" /* NR_write. */
"break 13\n" : : : "memory");
asm volatile ("move.d $r10, %0\n" : "=r" (r));
return r;
}