[PATCH 6/6] reliable stack trace support (i386 entry.S annotations)

Andrew Morton akpm at osdl.org
Thu May 25 07:23:59 CEST 2006


"Jan Beulich" <jbeulich at 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'


bix:/usr/src/25> as --version
GNU assembler 2.14.90.0.6 20030820




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