Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace_probe_tmpl.h Create Date:2022-07-28 12:38:41
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:Sum up total data length for dynamic arraies (strings)

Proto:static inline __attribute__((__always_inline__)) int __get_data_size(struct trace_probe *tp, struct pt_regs *regs)

Type:int

Parameter:

TypeParameterName
struct trace_probe *tp
struct pt_regs *regs
175  ret = 0
177  When i < nr_args cycle
178  arg = args + i
179  If Value for the false possibility is greater at compile time( Dynamic array (string) is used ) Then
180  len = Note that we don't verify it, since the code does not come from user space
181  If len > 0 Then ret += len
186  Return ret
Caller
NameDescribe
__kprobe_trace_funcKprobe handler
__kretprobe_trace_funcKretprobe handler
uprobe_dispatcher
uretprobe_dispatcher