1 // SPDX-License-Identifier: GPL-2.0 1
2 /*
3 * Copyright (C) 2022 Loongson Technology Corp
4 */
5 #include <asm/unwind.h>
6
7 unsigned long unwind_get_return_address(struct
8 {
9 return __unwind_get_return_address(sta
10 }
11 EXPORT_SYMBOL_GPL(unwind_get_return_address);
12
13 void unwind_start(struct unwind_state *state,
14 struct pt_regs *regs)
15 {
16 __unwind_start(state, task, regs);
17 if (!unwind_done(state) && !__kernel_t
18 unwind_next_frame(state);
19 }
20 EXPORT_SYMBOL_GPL(unwind_start);
21
22 bool unwind_next_frame(struct unwind_state *st
23 {
24 return default_next_frame(state);
25 }
26 EXPORT_SYMBOL_GPL(unwind_next_frame);
27
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