函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\signal.c Create Date:2022-07-27 10:17:47
Last Modify:2020-03-17 13:28:47 Copyright©Brick
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函数名称：__save_altstack

函数原型：int __save_altstack(stack_t __user *uss, unsigned long sp)

返回类型：int

参数：

类型参数名称
stack_t __user *uss
unsigned longsp
4064  t等于当前进程
4065  err等于__put_user - Write a simple value into user space, with less checking((void__user * )sas_ss_sp, & ss_sp)按位或__put_user - Write a simple value into user space, with less checking(sas_ss_flags, & ss_flags)按位或__put_user - Write a simple value into user space, with less checking(sas_ss_size, & ss_size)
4068  如果err则返回:err
4070  如果sas_ss_flags按位与disable sas during sighandling 则sas_ss_reset(t)
4072  返回:0