函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\kcov.c Create Date:2022-07-27 12:37:21
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：kcov_start

函数原型：static void kcov_start(struct task_struct *t, unsigned int size, void *area, enum kcov_mode mode, int sequence)

返回类型：void

参数：

类型参数名称
struct task_struct *t
unsigned intsize
void *area
enum kcov_modemode
intsequence
318  kcov_debug("t = %px, size = %u, area = %px\n", t, size, area)
320  kcov_size等于size
321  kcov_area等于area
323  The "volatile" is due to gcc bugs ()
324  WRITE_ONCE(kcov_mode, mode)
325  kcov_sequence等于sequence
调用者
名称描述
kcov_ioctl_locked
kcov_remote_startkcov_remote_start() and kcov_remote_stop() can be used to annotate a section* of code in a kernel background thread to allow kcov to be used to collect* coverage from that part of code