Date: Sun, 18 May 2003 15:14:57 -0700 From: "David O'Brien" <obrien@freebsd.org> To: Ian Dowse <iedowse@maths.tcd.ie> Cc: current@freebsd.org Subject: Re: kgdb missing stack frames Message-ID: <20030518221457.GA4531@dragon.nuxi.com> In-Reply-To: <200305182227.aa40061@salmon.maths.tcd.ie> References: <200305182227.aa40061@salmon.maths.tcd.ie>
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On Sun, May 18, 2003 at 10:27:22PM +0100, Ian Dowse wrote:
> Index: contrib/gdb/gdb/config/i386/tm-fbsd.h
> ===================================================================
> RCS file: /dump/FreeBSD-CVS/src/contrib/gdb/gdb/config/i386/tm-fbsd.h,v
> retrieving revision 1.4
> diff -u -r1.4 tm-fbsd.h
> --- contrib/gdb/gdb/config/i386/tm-fbsd.h 12 Oct 2002 17:56:56 -0000 1.4
> +++ contrib/gdb/gdb/config/i386/tm-fbsd.h 18 May 2003 21:12:05 -0000
This would give vendor differences I was trying to avoid. I think this
is another way to fix the problem. I haven't tested it, but if you have
a chance before I do, want to give it a spin?
Index: Makefile
===================================================================
RCS file: /home/ncvs/src/gnu/usr.bin/binutils/gdb/Makefile,v
retrieving revision 1.65
diff -u -r1.65 Makefile
--- Makefile 21 Mar 2003 00:30:53 -0000 1.65
+++ Makefile 18 May 2003 22:13:21 -0000
@@ -129,6 +129,7 @@
nm.h:
echo '#include "${GDB_CPU}/nm-fbsd.h"' >${.TARGET}
echo '#include "fbsd-kgdb.h"' >>${.TARGET}
+ echo '#include "fbsd-kgdb-${TARGET_ARCH}.h"' >>${.TARGET}
.for H in tm-fbsd xm-${GDB_CPU}
${H:C/-.*$//}.h:
Index: fbsd-kgdb-i386.h
===================================================================
RCS file: /home/ncvs/src/gnu/usr.bin/binutils/gdb/fbsd-kgdb-i386.h,v
retrieving revision 1.3
diff -u -r1.3 fbsd-kgdb-i386.h
--- fbsd-kgdb-i386.h 18 Sep 2002 16:20:49 -0000 1.3
+++ fbsd-kgdb-i386.h 18 May 2003 22:10:05 -0000
@@ -20,10 +20,8 @@
#undef FRAME_SAVED_PC
#define FRAME_SAVED_PC(FRAME) \
(kernel_debugging \
- ? fbsd_kern_frame_saved_pc (FRAME) : \
- (FRAME)->signal_handler_caller \
- ? sigtramp_saved_pc (FRAME) \
- : read_memory_integer ((FRAME)->frame + 4, 4))
+ ? fbsd_kern_frame_saved_pc (FRAME) \
+ : i386bsd_frame_saved_pc (FRAME))
/* Offset to saved PC in sigcontext, from <sys/signal.h>. */
#define SIGCONTEXT_PC_OFFSET 20
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