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SubjectRe: [PATCH 6/6] reliable stack trace support (i386 entry.S annotations)
Date
On Thursday 25 May 2006 07:23, Andrew Morton 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'

It works for me with
GNU assembler 2.16.91.0.2 20050720 (SuSE Linux)
(from SUSE 1.1)

You probably need newer binutils.

If it's a common problem we might need to somehow hack a binutils version check
into Kconfig or the Makefiles.

-andi

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