1 // SPDX-License-Identifier: GPL-2.0 1
2 /*
3 * Copyright (C) 2022-2023 Loongson Technology
4 */
5 #include <linux/kernel.h>
6 #include <linux/ftrace.h>
7
8 #include <asm/unwind.h>
9
10 bool default_next_frame(struct unwind_state *s
11 {
12 struct stack_info *info = &state->stac
13 unsigned long addr;
14
15 if (unwind_done(state))
16 return false;
17
18 do {
19 for (state->sp += sizeof(unsig
20 state->sp < info->end; st
21 addr = *(unsigned long
22 state->pc = unwind_gra
23 if (__kernel_text_addr
24 return true;
25 }
26
27 state->sp = info->next_sp;
28
29 } while (!get_stack_info(state->sp, st
30
31 return false;
32 }
33
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