void calltest(int initial)
{
// Mark the extent of the continuation (root)
root = getrbp();
printf("calling test() w/initial value %d and root %p\n", initial, root);
test(initial);
printf("test() returned\n", initial);
}
isc_result_t
isc_backtrace_gettrace(void **addrs, int maxaddrs, int *nframes) {
int i = 0;
void **sp;
/* Argument validation: see above. */
if (addrs == NULL || nframes == NULL)
return (ISC_R_FAILURE);
#ifdef __x86_64__
sp = (void **)getrbp();
if (sp == NULL)
return (ISC_R_NOTFOUND);
/*
* sp is the frame ptr of this function itself due to the call to
* getrbp(), so need to unwind one frame for consistency.
*/
sp = getnextframeptr(sp);
#else
/*
* i386: the frame pointer is stored 2 words below the address for the
* first argument. Note that the body of this function cannot be
* inlined since it depends on the address of the function argument.
*/
sp = (void **)&addrs - 2;
#endif
while (sp != NULL && i < maxaddrs) {
addrs[i++] = *(sp + 1);
sp = getnextframeptr(sp);
}
*nframes = i;
return (ISC_R_SUCCESS);
}
