44 static __inline__ int next_frame(ia64_backtrace_t *bt)  in next_frame()  argument
51 	if (in_ivt_code(bt->frame.ip))  in next_frame()
62 	if (bt->prev_pfs_loc && bt->regs && bt->frame.pfs_loc == bt->prev_pfs_loc)  in next_frame()
63 		bt->frame.pfs_loc = &bt->regs->ar_pfs;  in next_frame()
64 	bt->prev_pfs_loc = NULL;  in next_frame()
66 	return unw_unwind(&bt->frame) == 0;  in next_frame()
72 	ia64_backtrace_t *bt = vdata;  in do_ia64_backtrace()  local
81 	unw_init_frame_info(&bt->frame, current, sw);  in do_ia64_backtrace()
85 		unw_get_sp(&bt->frame, &sp);  in do_ia64_backtrace()
86 		if (sp >= (u_long)bt->regs)  in do_ia64_backtrace()
88 		if (!next_frame(bt))  in do_ia64_backtrace()
93 	while (bt->depth-- && next_frame(bt)) {  in do_ia64_backtrace()
94 		unw_get_ip(&bt->frame, &pc);  in do_ia64_backtrace()
96 		if (unw_is_intr_frame(&bt->frame)) {  in do_ia64_backtrace()
114 	ia64_backtrace_t bt;  in ia64_backtrace()  local
125 	bt.depth = depth;  in ia64_backtrace()
126 	bt.regs = regs;  in ia64_backtrace()
127 	bt.prev_pfs_loc = NULL;  in ia64_backtrace()
129 	unw_init_running(do_ia64_backtrace, &bt);  in ia64_backtrace()