Function report |
Source Code:arch\x86\kernel\fpu\signal.c |
Create Date:2022-07-28 07:50:03 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:copy_fpregs_to_sigframe
Proto:static inline int copy_fpregs_to_sigframe(struct xregs_state __user *buf)
Type:int
Parameter:
Type | Parameter | Name |
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struct xregs_state __user * | buf |
133 | Else if use_fxsr() Then err = copy_fxregs_to_user((structfxregs_state__user * )buf) |
135 | Else err = copy_fregs_to_user((structfregs_state__user * )buf) |
138 | If Value for the false possibility is greater at compile time(err) && Zero a block of memory in user space, with less checking Then err = -EFAULT |
140 | Return err |
Name | Describe |
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copy_fpstate_to_sigframe | Save the fpu, extended register state to the user signal frame.* 'buf_fx' is the 64-byte aligned pointer at which the [f|fx|x]save* state is copied.* 'buf' points to the 'buf_fx' or to the fsave header followed by 'buf_fx'. |
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