函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\include\asm\fpu\internal.h Create Date:2022-07-27 08:28:44
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Save xstate to user space xsave area.* We don't use modified optimization because xrstor/xrstors might track* a different application.* We don't use compacted format xsave area for* backward compatibility for old applications which don't understand

函数原型：static inline int copy_xregs_to_user(struct xregs_state __user *buf)

返回类型：int

参数：

类型参数名称
struct xregs_state __user *buf
364  err等于以最小的代价用户内存块清零
365  如果此条件成立可能性小(为编译器优化)(err)则返回:负EFAULT
368  stac()
369  XSTATE_OP(These macros all use (%edi)/(%rdi) as the single memory argument. , buf, - 1, - 1, err)
370  clac()
372  返回:err
调用者
名称描述
copy_fpregs_to_sigframe