Date: Thu, 15 Oct 1998 10:04:57 +0800 From: Peter Wemm <peter@netplex.com.au> To: Greg Lehey <grog@lemis.com> Cc: cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/gnu/usr.bin/gdb Makefile.inc Message-ID: <199810150204.KAA09027@spinner.netplex.com.au> In-Reply-To: Your message of "Thu, 15 Oct 1998 11:49:18 %2B0930." <19981015114918.N586@freebie.lemis.com>
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Greg Lehey wrote:
> On Thursday, 15 October 1998 at 9:27:22 +0800, Peter Wemm wrote:
> > Greg Lehey wrote:
> >> On Wednesday, 14 October 1998 at 17:15:01 -0700, Peter Wemm wrote:
> >>> peter 1998/10/14 17:15:01 PDT
> >>>
> >>> Modified files:
> >>> gnu/usr.bin/gdb Makefile.inc
> >>> Log:
> >>> Install gdb in /usr/lib/aout or /usr/lib/elf depending on format.
> >>
> >> /usr/lib? Is this the executable? Or are you putting in a link from
> >> /usr/bin?
> >
> > Sorry, typo. The commit was for /usr/libexec/{aout,elf}. I've been using
> > this for a few months.
>
> I still don't understand what gdb's doing in there. Do you have
> /usr/libexec/<objformat> in your PATH?
No, /usr/bin/objformat is linked to /usr/bin/gdb, and it does the
redirection based on $OBJFORMAT, /etc/objformat and any -aout or -elf
arguments. This means that "/usr/bin/gdb -aout" causes /usr/libexec/aout/
gdb to get run, and likewise /usr/libexec/elf/gdb for elf.
We have not been supplying an a.out gdb at all. Remember, the 3.0 relase
is elf based, and /usr/bin/gdb would have been ELF-only and completely
unable to read the kernel or crashdumps. At least there's a place to put
an a.out gdb now without breaking the elf development environment.
> Greg
Cheers,
-Peter
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