Date: Sat, 21 Jul 2012 21:39:02 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r238675 - head/sys/i386/i386 Message-ID: <201207212139.q6LLd2Z7088258@svn.freebsd.org>
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Author: kib Date: Sat Jul 21 21:39:02 2012 New Revision: 238675 URL: http://svn.freebsd.org/changeset/base/238675 Log: MFamd64 r238669: Force clean FPU state in PCB user FPU save area for PT_I386_{GET,SET}XMMREGS. Reported by: bde MFC after: 1 week Modified: head/sys/i386/i386/ptrace_machdep.c Modified: head/sys/i386/i386/ptrace_machdep.c ============================================================================== --- head/sys/i386/i386/ptrace_machdep.c Sat Jul 21 19:46:14 2012 (r238674) +++ head/sys/i386/i386/ptrace_machdep.c Sat Jul 21 21:39:02 2012 (r238675) @@ -54,10 +54,12 @@ cpu_ptrace(struct thread *td, int req, v fpstate = &td->td_pcb->pcb_user_save.sv_xmm; switch (req) { case PT_GETXMMREGS: + npxgetregs(td); error = copyout(fpstate, addr, sizeof(*fpstate)); break; case PT_SETXMMREGS: + npxgetregs(td); error = copyin(addr, fpstate, sizeof(*fpstate)); fpstate->sv_env.en_mxcsr &= cpu_mxcsr_mask; break;
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