79 get_esp(struct trapframe *tf)  in get_esp()  argument
81 	return (TF_HAS_STACKREGS(tf) ? tf->tf_esp : (intptr_t)&tf->tf_esp);  in get_esp()
260 	struct trapframe *tf;  in db_nextframe()  local
344 	tf = (struct trapframe *)(*fp)->f_frame;  in db_nextframe()
350 	if (tf == NULL) {  in db_nextframe()
357 	esp = get_esp(tf);  in db_nextframe()
358 	eip = tf->tf_eip;  in db_nextframe()
359 	ebp = tf->tf_ebp;  in db_nextframe()
362 		db_printf("--- trap %#r", tf->tf_trapno);  in db_nextframe()
366 		db_decode_syscall(td, tf->tf_eax);  in db_nextframe()
384 		if (!TRAPF_USERMODE(tf))  in db_nextframe()
398 db_backtrace(struct thread *td, struct trapframe *tf, struct i386_frame *frame,  in db_backtrace()  argument
411 	if (db_segsize(tf) == 16) {  in db_backtrace()
414 		    (tf->tf_eflags & PSL_VM) ? " (vm86)" : "",  in db_backtrace()
415 		    tf->tf_cs, tf->tf_eip,  in db_backtrace()
416 		    TF_HAS_STACKREGS(tf) ? tf->tf_ss : rss(),  in db_backtrace()
417 		    TF_HAS_STACKREGS(tf) ? tf->tf_esp : (intptr_t)&tf->tf_esp,  in db_backtrace()
418 		    tf->tf_ebp, tf);  in db_backtrace()
485 			} else if (tf != NULL) {  in db_backtrace()
489 					actframe = (void *)(get_esp(tf) - 4);  in db_backtrace()
492 					actframe = (void *)get_esp(tf);  in db_backtrace()
493 					if (tf->tf_ebp == 0) {  in db_backtrace()
499 					actframe = (void *)(get_esp(tf) - 4);  in db_backtrace()
502 					actframe = (void *)(get_esp(tf) - 4);  in db_backtrace()
574 	struct trapframe *tf;  in db_trace_thread()  local
577 	tf = thr == kdb_thread ? kdb_frame : NULL;  in db_trace_thread()
578 	return (db_backtrace(thr, tf, (struct i386_frame *)ctx->pcb_ebp,  in db_trace_thread()