From: Andrew Morton <akpm@osdl.org>
To: jbeulich@novell.com, ak@suse.de, mingo@elte.hu,
linux-kernel@vger.kernel.org, discuss@x86-64.org
Subject: Re: [PATCH 6/6] reliable stack trace support (i386 entry.S annotations)
Date: Wed, 24 May 2006 22:41:59 -0700 [thread overview]
Message-ID: <20060524224159.6a049775.akpm@osdl.org> (raw)
In-Reply-To: <20060524222359.06f467e8.akpm@osdl.org>
Andrew Morton <akpm@osdl.org> wrote:
>
> "Jan Beulich" <jbeulich@novell.com> wrote:
> >
> > #define SAVE_ALL \
> > cld; \
> > pushl %es; \
> > + CFI_ADJUST_CFA_OFFSET 4;\
> > + /*CFI_REL_OFFSET es, 0;*/\
> > pushl %ds; \
>
> arch/i386/kernel/entry.S: Assembler messages:
> arch/i386/kernel/entry.S:757: Error: CFI instruction used without previous .cfi_startproc
> arch/i386/kernel/entry.S:757: Warning: rest of line ignored; first ignored character is `4'
> arch/i386/kernel/entry.S:757: Error: CFI instruction used without previous .cfi_startproc
> arch/i386/kernel/entry.S:757: Warning: rest of line ignored; first ignored character is `4'
> arch/i386/kernel/entry.S:757: Error: CFI instruction used without previous .cfi_startproc
> arch/i386/kernel/entry.S:757: Warning: rest of line ignored; first ignored character is `4'
> arch/i386/kernel/entry.S:757: Error: CFI instruction used without previous .cfi_startproc
>
> etcetera. And
>
> arch/i386/kernel/entry.S:757: Error: no such instruction: `eax,0'
> arch/i386/kernel/entry.S:757: Error: no such instruction: `ebp,0'
>
btw, this cfi annotation code:
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17-rc4/2.6.17-rc4-mm3/broken-out/kgdb-cfi_annotations.patch
compiles happily with that toolchain.
next prev parent reply other threads:[~2006-05-25 5:42 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-22 13:19 Jan Beulich
2006-05-25 5:23 ` Andrew Morton
2006-05-25 5:41 ` Andrew Morton [this message]
2006-05-26 7:00 ` Jan Beulich
2006-05-26 7:18 ` Andi Kleen
2006-05-26 15:43 ` Andrew Morton
2006-05-26 16:05 ` Andrew Morton
2006-05-26 7:26 ` Jan Beulich
2006-05-26 15:28 ` Andrew Morton
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