27 			   int (*ufn)(struct stackframe *frame, void *data),  in xtensa_backtrace_user()  argument
35 	struct stackframe frame;  in xtensa_backtrace_user()  local
41 	frame.pc = pc;  in xtensa_backtrace_user()
42 	frame.sp = a1;  in xtensa_backtrace_user()
44 	if (pc == 0 || pc >= TASK_SIZE || ufn(&frame, data))  in xtensa_backtrace_user()
74 			frame.pc = pc;  in xtensa_backtrace_user()
75 			frame.sp = a1;  in xtensa_backtrace_user()
77 			if (pc == 0 || pc >= TASK_SIZE || ufn(&frame, data))  in xtensa_backtrace_user()
101 		frame.pc = pc;  in xtensa_backtrace_user()
102 		frame.sp = a1;  in xtensa_backtrace_user()
104 		if (pc == 0 || pc >= TASK_SIZE || ufn(&frame, data))  in xtensa_backtrace_user()
111 			     int (*kfn)(struct stackframe *frame, void *data),  in xtensa_backtrace_kernel()  argument
112 			     int (*ufn)(struct stackframe *frame, void *data),  in xtensa_backtrace_kernel()  argument
131 		struct stackframe frame;  in xtensa_backtrace_kernel()  local
133 		frame.pc = pc;  in xtensa_backtrace_kernel()
134 		frame.sp = a1;  in xtensa_backtrace_kernel()
136 		if (kernel_text_address(pc) && kfn(&frame, data))  in xtensa_backtrace_kernel()
164 		int (*fn)(struct stackframe *frame, void *data),  in walk_stackframe()  argument
176 		struct stackframe frame;  in walk_stackframe()  local
186 		frame.pc = MAKE_PC_FROM_RA(a0, a1);  in walk_stackframe()
187 		frame.sp = a1;  in walk_stackframe()
189 		if (fn(&frame, data))  in walk_stackframe()
201 static int stack_trace_cb(struct stackframe *frame, void *data)  in stack_trace_cb()  argument
210 	if (!kernel_text_address(frame->pc))  in stack_trace_cb()
213 	trace->entries[trace->nr_entries++] = frame->pc;  in stack_trace_cb()
242 static int return_address_cb(struct stackframe *frame, void *data)  in return_address_cb()  argument
250 	if (!kernel_text_address(frame->pc))  in return_address_cb()
252 	r->addr = frame->pc;  in return_address_cb()