// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2022 Loongson Technology Corporation Limited */ #include <asm/unwind.h> unsigned long unwind_get_return_address(struct unwind_state *state) { return __unwind_get_return_address(state); } EXPORT_SYMBOL_GPL(unwind_get_return_address); void unwind_start(struct unwind_state *state, struct task_struct *task, struct pt_regs *regs) { __unwind_start(state, task, regs); if (!unwind_done(state) && !__kernel_text_address(state->pc)) unwind_next_frame(state); } EXPORT_SYMBOL_GPL(unwind_start); bool unwind_next_frame(struct unwind_state *state) { return default_next_frame(state); } EXPORT_SYMBOL_GPL(unwind_next_frame);