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Show First 20 Lines • Show All 64 Lines • ▼ Show 20 Lines	stack_save_td(struct stack st, struct thread td)
THREAD_LOCK_ASSERT(td, MA_OWNED);		THREAD_LOCK_ASSERT(td, MA_OWNED);
KASSERT(!TD_IS_SWAPPED(td),		KASSERT(!TD_IS_SWAPPED(td),
("stack_save_td: thread %p is swapped", td));		("stack_save_td: thread %p is swapped", td));

if (TD_IS_RUNNING(td))		if (TD_IS_RUNNING(td))
return (EOPNOTSUPP);		return (EOPNOTSUPP);

frame.fp = td->td_pcb->pcb_x[29];		frame.fp = td->td_pcb->pcb_x[29];
frame.pc = td->td_pcb->pcb_lr;		frame.pc = ADDR_MAKE_CANONICAL(td->td_pcb->pcb_lr);

stack_capture(td, st, &frame);		stack_capture(td, st, &frame);
return (0);		return (0);
}		}

void		void
stack_save(struct stack *st)		stack_save(struct stack *st)
{		{
struct unwind_state frame;		struct unwind_state frame;

frame.fp = (uintptr_t)__builtin_frame_address(0);		frame.fp = (uintptr_t)__builtin_frame_address(0);
frame.pc = (uintptr_t)stack_save;		frame.pc = (uintptr_t)stack_save;

stack_capture(curthread, st, &frame);		stack_capture(curthread, st, &frame);
}		}