函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\unwind_guess.c Create Date:2022-07-27 09:50:58
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：unwind_get_return_address

函数原型：unsigned long unwind_get_return_address(struct unwind_state *state)

返回类型：unsigned long

参数：

类型参数名称
struct unwind_state *state
13  如果unwind_done(state)则返回:0
16  addr等于Use READ_ONCE_NOCHECK() instead of READ_ONCE() if you need* to hide memory access from KASAN.( * sp)
18  返回:ftrace_graph_ret_addr(task, & graph_idx, addr, sp)
调用者
名称描述
arch_stack_walk_reliableThis function returns an error if it detects any unreliable features of the* stack. Otherwise it guarantees that the stack trace is reliable.* If the task is not 'current', the caller *must* ensure the task is inactive.
arch_stack_walk