函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\events\uprobes.c Create Date:2022-07-27 15:07:48
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Current area->vaddr notion assume the trampoline address is always* equal area->vaddr.* Returns -1 in case the xol_area is not allocated.

函数原型：static unsigned long get_trampoline_vaddr(void)

返回类型：unsigned long

参数：无

1839  trampoline_vaddr等于负1
1842  area等于READ_ONCE(xol_area)
1843  如果area则trampoline_vaddr等于Page(s) of instruction slots
1846  返回:trampoline_vaddr
调用者
名称描述
prepare_uretprobe
handle_swbpRun handler and ask thread to singlestep.* Ensure all non-fatal signals cannot interrupt thread while it singlesteps.