This is the mail archive of the
gdb-patches@sources.redhat.com
mailing list for the GDB project.
Re: gdb.asm/arm.inc tweak
- From: Michael Snyder <msnyder at redhat dot com>
- To: Mark Salter <msalter at redhat dot com>
- Cc: gdb-patches at sources dot redhat dot com, rearnsha at arm dot com
- Date: Fri, 31 Jan 2003 17:29:20 -0800
- Subject: Re: gdb.asm/arm.inc tweak
- Organization: Red Hat, Inc.
- References: <20030117213745.29E037884D@deneb.localdomain>
Mark Salter wrote:
>
> Here's a small tweak to fix asm tests on arm boards. Clearly, we
> don't want to clear $sp. It looked like the intent was to clear
> the frame pointer to limit backtraces.
You're right about the intent. I think your change is right,
but it would be nice if Richard Earnshaw would comment on it.
>
> --Mark
>
> 2003-01-17 Mark Salter <msalter@redhat.com>
>
> * gdb.asm/arm.inc (gdbasm_startup): Clear fp and r7 (thumb fp), not sp.
>
> Index: testsuite/gdb.asm/arm.inc
> ===================================================================
> RCS file: /cvs/src/src/gdb/testsuite/gdb.asm/arm.inc,v
> retrieving revision 1.1
> diff -u -p -5 -r1.1 arm.inc
> --- testsuite/gdb.asm/arm.inc 20 Dec 2001 22:12:20 -0000 1.1
> +++ testsuite/gdb.asm/arm.inc 17 Jan 2003 21:35:28 -0000
> @@ -27,8 +27,9 @@
> swi 0x00123456
> .endm
>
> comment "crt0 startup"
> .macro gdbasm_startup
> - mov sp, #0
> + mov fp, #0
> + mov r7, #0
> .endm
>