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 09:50:59
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：unwind_next_frame

函数原型：bool unwind_next_frame(struct unwind_state *state)

返回类型：bool

参数：

类型参数名称
struct unwind_state *state
30  info等于stack_info
32  如果unwind_done(state)则返回:false
35  循环
36  以sp小于end循环
37  addr等于Use READ_ONCE_NOCHECK() instead of READ_ONCE() if you need* to hide memory access from KASAN.( * sp)
39  如果__kernel_text_address(addr)则返回:true
43  sp等于PTR_ALIGN(next_sp, sizeof(long))
45  当非get_stack_info(sp, task, info, & stack_mask)循环
48  返回:false
调用者
名称描述
arch_stack_walk
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.
__unwind_start
__unwind_start
__unwind_start
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