unwind_start
void unwind_start(struct unwind_state *state,
for (unwind_start(&state, current, regs);
for (unwind_start(&state, task, NULL);
for (unwind_start(&state, task, regs);
for (unwind_start(&state, task, regs);
for (unwind_start(&state, task, pregs);
EXPORT_SYMBOL_GPL(unwind_start);
EXPORT_SYMBOL_GPL(unwind_start);
EXPORT_SYMBOL_GPL(unwind_start);
for (unwind_start(state, task, regs, first_frame); \
unwind_start(&state, current, regs, NULL);
unwind_start(&state, current, NULL, (void *)regs->sp);
unwind_start(&state, task, regs, stack);
for (unwind_start(&state, p, NULL, NULL); !unwind_done(&state);
for (unwind_start(&state, task, regs, NULL); !unwind_done(&state);
for (unwind_start(&state, task, NULL, NULL);
for (unwind_start(&state, current, NULL, NULL); !unwind_done(&state);