Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\events\uprobes.c Create Date:2022-07-28 13:46:06
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:xol_get_insn_slot - allocate a slot for xol.* Returns the allocated slot address or 0.

Proto:static unsigned long xol_get_insn_slot(struct uprobe *uprobe)

Type:unsigned long

Parameter:

TypeParameterName
struct uprobe *uprobe
1617  area = get_xol_area - Allocate process's xol_area if necessary.* This area will be used for storing instructions for execution out of line.* Returns the allocated area or NULL.
1618  If Not area Then Return 0
1621  xol_vaddr = - search for a free slot.
1622  If Value for the false possibility is greater at compile time(!xol_vaddr) Then Return 0
1625  arch_uprobe_copy_ixol(pages[0], xol_vaddr, & ixol, size of ixol )
1628  Return xol_vaddr
Caller
NameDescribe
pre_ssoutPrepare to single-step probed instruction out of line.