Re: [PATCH 6/6] reliable stack trace support (i386 entry.Sannotations)

From: Andrew Morton
Date: Fri May 26 2006 - 11:28:37 EST


"Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:
>
> >>> Andrew Morton <akpm@xxxxxxxx> 25.05.06 07:23 >>>
> >"Jan Beulich" <jbeulich@xxxxxxxxxx> 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'
> >
> >
> >bix:/usr/src/25> as --version
> >GNU assembler 2.14.90.0.6 20030820
>
> Still doesn't make sense to me, assuming the merge didn't corrupt anything. The oldest assembler I'm using is
> 2.15.90.0.1.1, but as said before your assembler clearly also supports .cfi_*. Any chance I could see the offending
> entry.S?
>

http://www.zip.com.au/~akpm/linux/patches/stuff/entry.S
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