Re: How to produce effective backtraces from crashdump?

From: Alexander Kabaev <ak03_at_gte.com>
Date: Fri, 9 Apr 2004 21:55:49 -0400
On Fri, Apr 09, 2004 at 06:51:53PM +0200, Lukas Ertl wrote:
> I'm seeing similar problems here.  Could you please try the following:
> 
> Open /usr/src/gnu/usr.bin/binutils/libbfd/i386/bfd.h and change line 59
> from:
> 
> #define BFD_ARCH_SIZE 64
> 
> to:
> 
> #define BFD_ARCH_SIZE 32
> 
> Then recompile world and kernel.
> 
> cheers,
> le
> 
Recompiling in src/gnu/usr.bin/binutils is enough. No need for buildworld
and kernel.

I am using the patch attached which fixes this particular error in gdb
itself.
-- 
Alexander Kabaev


Index: i386-tdep.c
===================================================================
RCS file: /home/ncvs/src/contrib/gdb/gdb/i386-tdep.c,v
retrieving revision 1.3
diff -u -r1.3 i386-tdep.c
--- i386-tdep.c	28 Jun 2002 00:14:01 -0000	1.3
+++ i386-tdep.c	1 Apr 2004 06:01:52 -0000
_at__at_ -685,8 +685,8 _at__at_
 
 /* Return PC of first real instruction.  */
 
-int
-i386_skip_prologue (int pc)
+CORE_ADDR
+i386_skip_prologue (CORE_ADDR pc)
 {
   unsigned char op;
   int i;
Index: config/i386/tm-i386.h
===================================================================
RCS file: /home/ncvs/src/contrib/gdb/gdb/config/i386/tm-i386.h,v
retrieving revision 1.1.1.3
diff -u -r1.1.1.3 tm-i386.h
--- config/i386/tm-i386.h	27 Jun 2002 23:04:07 -0000	1.1.1.3
+++ config/i386/tm-i386.h	1 Apr 2004 05:58:35 -0000
_at__at_ -61,7 +61,7 _at__at_
 
 #define SKIP_PROLOGUE(frompc)   (i386_skip_prologue (frompc))
 
-extern int i386_skip_prologue (int);
+extern CORE_ADDR i386_skip_prologue (CORE_ADDR);
 
 /* Immediately after a function call, return the saved pc.  */
 
Received on Fri Apr 09 2004 - 16:55:52 UTC

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