35 			   int (*ufn)(struct stackframe *frame, void *data),  in xtensa_backtrace_user()  argument
43 	struct stackframe frame;  in xtensa_backtrace_user()  local
49 	frame.pc = pc;  in xtensa_backtrace_user()
50 	frame.sp = a1;  in xtensa_backtrace_user()
52 	if (pc == 0 || pc >= TASK_SIZE || ufn(&frame, data))  in xtensa_backtrace_user()
82 			frame.pc = pc;  in xtensa_backtrace_user()
83 			frame.sp = a1;  in xtensa_backtrace_user()
85 			if (pc == 0 || pc >= TASK_SIZE || ufn(&frame, data))  in xtensa_backtrace_user()
119 		frame.pc = pc;  in xtensa_backtrace_user()
120 		frame.sp = a1;  in xtensa_backtrace_user()
122 		if (pc == 0 || pc >= TASK_SIZE || ufn(&frame, data))  in xtensa_backtrace_user()
129 			     int (*kfn)(struct stackframe *frame, void *data),  in xtensa_backtrace_kernel()  argument
130 			     int (*ufn)(struct stackframe *frame, void *data),  in xtensa_backtrace_kernel()  argument
149 		struct stackframe frame;  in xtensa_backtrace_kernel()  local
152 		frame.pc = pc;  in xtensa_backtrace_kernel()
153 		frame.sp = a1;  in xtensa_backtrace_kernel()
155 		if (kernel_text_address(pc) && kfn(&frame, data))  in xtensa_backtrace_kernel()
183 		int (*fn)(struct stackframe *frame, void *data),  in walk_stackframe()  argument
195 		struct stackframe frame;  in walk_stackframe()  local
205 		frame.pc = MAKE_PC_FROM_RA(a0, a1);  in walk_stackframe()
206 		frame.sp = a1;  in walk_stackframe()
208 		if (fn(&frame, data))  in walk_stackframe()
220 static int stack_trace_cb(struct stackframe *frame, void *data)  in stack_trace_cb()  argument
229 	if (!kernel_text_address(frame->pc))  in stack_trace_cb()
232 	trace->entries[trace->nr_entries++] = frame->pc;  in stack_trace_cb()
261 static int return_address_cb(struct stackframe *frame, void *data)  in return_address_cb()  argument
269 	if (!kernel_text_address(frame->pc))  in return_address_cb()
271 	r->addr = frame->pc;  in return_address_cb()