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Re: CVS commit: src
On Sun, Mar 18, 2012 at 11:17:32PM -0700, Matt Thomas wrote:
> On Mar 18, 2012, at 10:38 PM, Hiroyuki Bessho wrote:
> > Module Name: src
> > Committed By: bsh
> > Date: Mon Mar 19 05:38:26 UTC 2012
> > Modified Files:
> > src/external/gpl3/binutils/usr.sbin/dbsym: dbsym.8 dbsym.c
> > src/sys/arch/arm/conf: Makefile.arm
> > src/sys/conf: Makefile.kern.inc
> > Log Message:
> > adjust the size of db_symtab space automatically.
> > proposed on tech-toolchain@, and got no objections.
> Opps. I meant to complain. I really dislike the editing of opt_ksyms.h
> since that will cause things to be rebuilt after every config.
> I wonder if we could do a ld -r -o <kernel>_prelink.o *.o
> and then use that to calculate SYMTAB_SPACE.
I think the idea is basically sound, but might want a few minor changes.
- kern_ksyms.c has a weak reference to the real db_symtab
- initial link uses normal OBJS list and computes SYMTAB_SPACE
- an additional object file containing just db_symtab is built from that
- final link uses all normal OBJS and this additional one.
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