Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\unwind_guess.c Create Date:2022-07-28 08:51:41
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:unwind_next_frame

Proto:bool unwind_next_frame(struct unwind_state *state)

Type:bool

Parameter:

TypeParameterName
struct unwind_state *state
30  info = stack_info
32  If unwind_done(state) Then Return false
35  Do
36  When sp < end cycle
37  addr = Use READ_ONCE_NOCHECK() instead of READ_ONCE() if you need* to hide memory access from KASAN.( * sp)
39  If __kernel_text_address(addr) Then Return true
43  sp = PTR_ALIGN(next_sp, sizeof(long))
45  When Not get_stack_info(sp, task, info, & stack_mask) cycle
48  Return false
Caller
NameDescribe
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