29 			   int (*ufn)(struct stackframe *frame, void *data),  in xtensa_backtrace_user()  argument
37 	struct stackframe frame;  in xtensa_backtrace_user()  local
43 	frame.pc = pc;  in xtensa_backtrace_user()
44 	frame.sp = a1;  in xtensa_backtrace_user()
46 	if (pc == 0 || pc >= TASK_SIZE || ufn(&frame, data))  in xtensa_backtrace_user()
81 			frame.pc = pc;  in xtensa_backtrace_user()
82 			frame.sp = a1;  in xtensa_backtrace_user()
84 			if (pc == 0 || pc >= TASK_SIZE || ufn(&frame, data))  in xtensa_backtrace_user()
108 		frame.pc = pc;  in xtensa_backtrace_user()
109 		frame.sp = a1;  in xtensa_backtrace_user()
111 		if (pc == 0 || pc >= TASK_SIZE || ufn(&frame, data))  in xtensa_backtrace_user()
118 			     int (*kfn)(struct stackframe *frame, void *data),  in xtensa_backtrace_kernel()  argument
119 			     int (*ufn)(struct stackframe *frame, void *data),  in xtensa_backtrace_kernel()  argument
138 		struct stackframe frame;  in xtensa_backtrace_kernel()  local
140 		frame.pc = pc;  in xtensa_backtrace_kernel()
141 		frame.sp = a1;  in xtensa_backtrace_kernel()
143 		if (kernel_text_address(pc) && kfn(&frame, data))  in xtensa_backtrace_kernel()
171 		int (*fn)(struct stackframe *frame, void *data),  in walk_stackframe()  argument
183 		struct stackframe frame;  in walk_stackframe()  local
193 		frame.pc = MAKE_PC_FROM_RA(a0, _text);  in walk_stackframe()
194 		frame.sp = a1;  in walk_stackframe()
196 		if (fn(&frame, data))  in walk_stackframe()
208 static int stack_trace_cb(struct stackframe *frame, void *data)  in stack_trace_cb()  argument
217 	if (!kernel_text_address(frame->pc))  in stack_trace_cb()
220 	trace->entries[trace->nr_entries++] = frame->pc;  in stack_trace_cb()
247 static int return_address_cb(struct stackframe *frame, void *data)  in return_address_cb()  argument
255 	if (!kernel_text_address(frame->pc))  in return_address_cb()
257 	r->addr = frame->pc;  in return_address_cb()