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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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