On Thu, Sep 08, 2005 at 05:10:29PM +0200, Jan Beulich wrote:
> As a foundation for reliable stack unwinding, this adds CFI unwind
> annotations to many low-level i386 routines, plus a config option
> (available to all architectures) to enable them as well as the
> compiler
> producing similar information for all C sources.
>
> Signed-off-by: Jan Beulich <[email protected]>
x86_64 has proper CFI annotations on things, and just depends on
DEBUG_INFO. Perhaps that would be a slightly easier path to use for
pushing this along?
> + CFI_ADJUST_CFA_OFFSET 4;\
> + /*CFI_REL_OFFSET es, 0;*/\
> pushl %ds; \
> + CFI_ADJUST_CFA_OFFSET 4;\
> + /*CFI_REL_OFFSET ds, 0;*/\
Adding new commented out code never wins new friends. :)
> diff -Npru 2.6.13/include/asm-i386/dwarf2.h
[snip]
> +#ifdef CONFIG_UNWIND_INFO
[snip]
> +#else
[snip]
> +#define CFI_STARTPROC ignore
Why not just empty defines?
--
Tom Rini
http://gate.crashing.org/~trini/
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