Date: Thu, 24 Apr 2003 17:00:05 -0700 (PDT) From: Peter Wemm <peter@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 29653 for review Message-ID: <200304250000.h3P0059O078806@repoman.freebsd.org>
next in thread | raw e-mail | index | archive | help
http://perforce.freebsd.org/chv.cgi?CH=29653 Change 29653 by peter@peter_daintree on 2003/04/24 16:59:32 maybe savectx will work, if we ever get to dumpsys() stage. At least, it isn't guaranteed to explode at this point. Affected files ... .. //depot/projects/hammer/sys/x86_64/x86_64/swtch.s#20 edit Differences ... ==== //depot/projects/hammer/sys/x86_64/x86_64/swtch.s#20 (text+ko) ==== @@ -240,9 +240,9 @@ */ ENTRY(savectx) /* Fetch PCB. */ - movq 8(%rsp),%rcx + movq %rdi,%rcx - /* Save caller's return address. Child won't execute this routine. */ + /* Save caller's return address. */ movq (%rsp),%rax movq %rax,PCB_RIP(%rcx) @@ -278,21 +278,17 @@ je 1f pushq %rcx - movq TD_PCB(%rax),%rax - leaq PCB_SAVEFPU(%rax),%rax pushq %rax - pushq %rax + movq TD_PCB(%rax),%rdi + leaq PCB_SAVEFPU(%rdi),%rdi call npxsave - addq $8,%rsp popq %rax popq %rcx - pushq $PCB_SAVEFPU_SIZE - leaq PCB_SAVEFPU(%rcx),%rcx - pushq %rcx - pushq %rax + movq $PCB_SAVEFPU_SIZE,%rdx /* arg 3 */ + leaq PCB_SAVEFPU(%rcx),%rsi /* arg 2 */ + movq %rax,%rdi /* arg 1 */ call bcopy - addq $24,%rsp 1: popfq
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200304250000.h3P0059O078806>