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Re: link_warning fix
Ulrich Drepper writes:
> > I don't agree. We put a strange string "foobar\n#APP\n\t#" into the
> > section name. It is unreasonable to expect that gcc will scan user
> > given strings to see if they contain assembler directives.
>
> Where is this done? And if there is a place it is also the place to add
> the NO_APP marker.
The comment in include/libc-symbols.h says that the section attributes
that gcc emits are unwanted:
.section .gnu.warning.sigstack,"a",@progbits
The hack consists in adding the #APP and comment markers in the
section name:
.section .gnu.warning.sigstack
#APP
#,"a",@progbits
But gcc does not offer a 'post-section-statement-hook' where we could
silently emit a #NO_APP pseudo-instruction. So we have to do it
through __asm__("").
Bruno