132 				     struct stackframe *frame,  in do_user_backtrace()  argument
138 	while (depth-- && !unwind_user_frame(frame, max_instr_check)) {  in do_user_backtrace()
139 		oprofile_add_trace(frame->ra);  in do_user_backtrace()
140 		if (frame->sp < low_addr || frame->sp > high_addr)  in do_user_backtrace()
147 				       struct stackframe *frame,  in do_kernel_backtrace()  argument
151 				       struct stackframe *frame,  in do_kernel_backtrace()  argument
154 	while (depth-- && frame->pc) {  in do_kernel_backtrace()
155 		frame->pc = unwind_stack_by_address(low_addr,  in do_kernel_backtrace()
156 						    &(frame->sp),  in do_kernel_backtrace()
157 						    frame->pc,  in do_kernel_backtrace()
158 						    &(frame->ra));  in do_kernel_backtrace()
159 		oprofile_add_trace(frame->ra);  in do_kernel_backtrace()
166 	struct stackframe frame = { .sp = regs->regs[29],  in op_mips_backtrace()  local
170 	const unsigned long low_addr = ALIGN(frame.sp, THREAD_SIZE);  in op_mips_backtrace()
173 		do_user_backtrace(low_addr, &frame, depth);  in op_mips_backtrace()
175 		do_kernel_backtrace(low_addr, &frame, depth);  in op_mips_backtrace()