28 			   int (*ufn)(struct stackframe *frame, void *data),  in xtensa_backtrace_user()  argument
36 	struct stackframe frame;  in xtensa_backtrace_user()  local
42 	frame.pc = pc;  in xtensa_backtrace_user()
43 	frame.sp = a1;  in xtensa_backtrace_user()
45 	if (pc == 0 || pc >= TASK_SIZE || ufn(&frame, data))  in xtensa_backtrace_user()
80 			frame.pc = pc;  in xtensa_backtrace_user()
81 			frame.sp = a1;  in xtensa_backtrace_user()
83 			if (pc == 0 || pc >= TASK_SIZE || ufn(&frame, data))  in xtensa_backtrace_user()
107 		frame.pc = pc;  in xtensa_backtrace_user()
108 		frame.sp = a1;  in xtensa_backtrace_user()
110 		if (pc == 0 || pc >= TASK_SIZE || ufn(&frame, data))  in xtensa_backtrace_user()
117 			     int (*kfn)(struct stackframe *frame, void *data),  in xtensa_backtrace_kernel()  argument
118 			     int (*ufn)(struct stackframe *frame, void *data),  in xtensa_backtrace_kernel()  argument
137 		struct stackframe frame;  in xtensa_backtrace_kernel()  local
139 		frame.pc = pc;  in xtensa_backtrace_kernel()
140 		frame.sp = a1;  in xtensa_backtrace_kernel()
142 		if (kernel_text_address(pc) && kfn(&frame, data))  in xtensa_backtrace_kernel()
170 		int (*fn)(struct stackframe *frame, void *data),  in walk_stackframe()  argument
182 		struct stackframe frame;  in walk_stackframe()  local
192 		frame.pc = MAKE_PC_FROM_RA(a0, a1);  in walk_stackframe()
193 		frame.sp = a1;  in walk_stackframe()
195 		if (fn(&frame, data))  in walk_stackframe()
207 static int stack_trace_cb(struct stackframe *frame, void *data)  in stack_trace_cb()  argument
216 	if (!kernel_text_address(frame->pc))  in stack_trace_cb()
219 	trace->entries[trace->nr_entries++] = frame->pc;  in stack_trace_cb()
246 static int return_address_cb(struct stackframe *frame, void *data)  in return_address_cb()  argument
254 	if (!kernel_text_address(frame->pc))  in return_address_cb()
256 	r->addr = frame->pc;  in return_address_cb()