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Re: CVS commit: src/sys/arch/i386/stand
On Fri, May 02, 2014 at 10:22:48AM +0900, Masao Uebayashi wrote:
> Stripping eh_frame using linker script, without adding unusal gcc
> options, looks much simpler as a whole picture to me.
Except that these programs use the default linker script.
So modifing it is difficult.
I don't think the linker has a global option to make the eh_frame
section(s) non-loadable - which ought to allow debuggers to use them
without taking up program memory (for non paged binaries).
> On Fri, May 2, 2014 at 3:37 AM, David Laight <dsl%netbsd.org@localhost> wrote:
> > Module Name: src
> > Committed By: dsl
> > Date: Thu May 1 18:37:26 UTC 2014
> > Modified Files:
> > src/sys/arch/i386/stand: Makefile.inc
> > Log Message:
> > Add -fno-asynchronous-unwind-tables -fno-exceptions to gcc builds.
> > One of these (probably the first) is needed to stop the eh-frame
> > section being created.
> > The eh_frame section is loadable and bloats the boot images.
> > This might be enough to make pxeboot work.
> > To generate a diff of this commit:
> > cvs rdiff -u -r1.11 -r1.12 src/sys/arch/i386/stand/Makefile.inc
> > Please note that diffs are not public domain; they are subject to the
> > copyright notices on the relevant files.
David Laight: david%l8s.co.uk@localhost
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