void
__rethrow(void *index)
{
struct eh_context *eh = (*get_eh_context) ();
void *pc, *handler;
long offset;
frame_state my_ustruct, *my_udata = &my_ustruct;
if (! eh->info) {
__terminate ();
}
eh->table_index = index;
label:
my_udata = __frame_state_for (&&label, my_udata);
if (! my_udata) {
__terminate ();
}
my_udata->cfa = __builtin_dwarf_cfa ();
__builtin_unwind_init ();
pc = __builtin_extract_return_addr (__builtin_return_address (0)) - 1;
handler = throw_helper (eh, pc, my_udata, &offset);
__builtin_eh_return ((void *)eh, offset, handler);
}
void dummy1(void) {
void* cfa = (void*) __builtin_dwarf_cfa();
printf("cfa: %p\n", cfa);
ASSERT(dummy0_cfa == cfa, "ERROR: cfa mismatch");
next_step(3);
__builtin_eh_return (STACK_REMAINDER, dummy2);
}
void dummy3(void) {
void* cfa = (void*) __builtin_dwarf_cfa();
printf("cfa: %p\n", cfa);
ASSERT(dummy0_cfa == cfa, "ERROR: cfa mismatch");
next_step(5);
exit(55);
}
void dummy0(void) {
/* NOTE: __builtin_dwarf_cfa() return a pointer to the "current stack frame"
* CFA="canonical frame address".
* We pick STACK_REMAINDER so that stack is completely cleaned up and
* it looks like the function was never called.
* Hence all the CFA's should be the same.
*/
void* cfa = (void*) __builtin_dwarf_cfa();
printf("cfa: %p\n", cfa);
dummy0_cfa = cfa;
next_step(2);
__builtin_eh_return (STACK_REMAINDER, dummy1);
}
