main(int argc, char **argv, char **envp)
{
char **s;
char *s2;
int i, top;
if (argc < 2) {
fprintf(stderr, "\tUsage: printstack <n entries> [other junk if you want]\n");
exit(1);
}
top = atoi(argv[1]);
printf("&s = 0x%x\n", &s);
printf("&s2= 0x%x\n", &s2);
printf("&i = 0x%x\n", &i);
printf("&top = 0x%x\n", &top);
printf("&argc = 0x%x\n", &argc);
printf("&argv = 0x%x\n", &argv);
printf("&envp = 0x%x\n", &envp);
printf("\n");
s = (char **) &s;
for (i = 0; i < top; i++) {
s++;
s2 = (char *) s;
printf("0x%x : %15d 0x%-8x %2c %2c %2c %2c\n", s, *s, *s, safechar(s2[0]),
safechar(s2[1]), safechar(s2[2]), safechar(s2[3]));
}
}
void print_backtrace(void *from)
{
long *s = (long *) &s+1;
while ((long) s <= (long) from) {
int i;
printf("[%p] %20ld 0x%-16lx ", s, *s, *s);
for (i = 0; i < sizeof(*s); i++)
printf("%c", safechar(((char *) s)[i]));
printf("\n");
s++;
}
}
