Date: Mon, 31 Aug 1998 14:12:53 +0000 From: Mike Smith <mike@smith.net.au> To: "Jordan K. Hubbard" <jkh@time.cdrom.com> Cc: John Birrell <jb@cimlogic.com.au>, current@FreeBSD.ORG Subject: Re: The Day After, initial reports. Message-ID: <199808311412.OAA01117@dingo.cdrom.com> In-Reply-To: Your message of "Mon, 31 Aug 1998 04:16:36 MST." <11777.904562196@time.cdrom.com>
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Just as a hopefully-useful followup: > Nope, I'm afraid those changes were innocuous. This is something > weirder, I think. The compiler is spitting out something which the > ELF assembler doesn't like, to wit: > > su-2.01# /usr/libexec/elf/as -v -o machdep.o machdep.s > GNU assembler version 2.8.1 (i386-unknown-freebsdelf), using BFD version 2.8.1 > machdep.s: Assembler messages: > machdep.s:919: Error: operands given don't match any known 386 instruction > machdep.s:920: Error: operands given don't match any known 386 instruction > > if you look at the location in question, the error is on: > .. > cmpl %esi,curpcb > jne .L352 > movl _udatasel,%ecx > #APP > mov %ecx,%fs <-- XXX these two > mov %ecx,%gs lines XXX -- > > #NO_APP These markers mean that the code comes from the "asm" macro, so it's not the compiler, fortunately. 8) > .L352: > movl 8(%ebp),%ecx > movl 272(%ecx),%eax > andb $254,212(%eax) > > %fs? %gs? Interesting! :-) Yes; these are 386 registers. Luoqi's trying to reload them with something sensible; we were leaving them polluted before IIRC. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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