- t = task ? task : current;
- if (regs) {
- unwind_frame_init(&info, t, regs);
- goto show_stack;
- }
-
- if (t == current) {
- unsigned long sp;
-
-HERE:
- asm volatile ("copy %%r30, %0" : "=r"(sp));
- {
- struct pt_regs r;
-
- memset(&r, 0, sizeof(struct pt_regs));
- r.iaoq[0] = (unsigned long)&&HERE;
- r.gr[2] = (unsigned long)__builtin_return_address(0);
- r.gr[30] = sp;
-
- unwind_frame_init(&info, current, &r);
- }
- } else {
- unwind_frame_init_from_blocked_task(&info, t);
- }