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Re: [Qemu-devel] [PATCH 4/6] ARM: linux-user: Restore VFP state from uco
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From: |
Nathan Froyd |
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Subject: |
Re: [Qemu-devel] [PATCH 4/6] ARM: linux-user: Restore VFP state from ucontext on sigreturn |
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Date: |
Mon, 29 Nov 2010 11:17:00 -0800 |
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User-agent: |
Mutt/1.5.17+20080114 (2008-01-14) |
On Wed, Nov 24, 2010 at 03:20:06PM +0000, Peter Maydell wrote:
> Restore the VFP registers from the ucontext on return from a signal
> handler in linux-user mode. This means that signal handlers cannot
> accidentally corrupt the interrupted code's VFP state, and allows
> them to deliberately modify the state via the ucontext structure.
>
> Signed-off-by: Peter Maydell <address@hidden>
Reviewed-by: Nathan Froyd <address@hidden>
-Nathan
- [Qemu-devel] [PATCH 0/6] ARM: linux-user: save/restore fpu regs to signal context, Peter Maydell, 2010/11/24
- [Qemu-devel] [PATCH 4/6] ARM: linux-user: Restore VFP state from ucontext on sigreturn, Peter Maydell, 2010/11/24
- [Qemu-devel] [PATCH 2/6] ARM: Expose vfp_get_fpscr() and vfp_set_fpscr() to C code, Peter Maydell, 2010/11/24
- [Qemu-devel] [PATCH 3/6] ARM: linux-user: Expose VFP registers to signal handlers, Peter Maydell, 2010/11/24
- [Qemu-devel] [PATCH 1/6] ARM: linux-user: Correct size of padding in target_ucontext_v2, Peter Maydell, 2010/11/24
- [Qemu-devel] [PATCH 6/6] ARM: linux-user: Restore iWMMXT state from ucontext on sigreturn, Peter Maydell, 2010/11/24
- [Qemu-devel] [PATCH 5/6] ARM: linux-user: Expose iWMMXT registers to signal handlers, Peter Maydell, 2010/11/24