cvs commit: src/sys/i386/i386 gdb_machdep.c src/sys/i386/include db_machdep.h

[Brian Fundakowski Feldman]

On Wed, Sep 15, 2004 at 11:26:49PM +0000, Julian Elischer wrote:
> julian      2004-09-15 23:26:49 UTC
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sys/i386/i386        gdb_machdep.c 
>     sys/i386/include     db_machdep.h 
>   Log:
>   Fix breakpoint handling for i386.
>           not sure yet about 5.x... MFC if needed.
>   Also fixes small problems with examining some registers and
>   some specific gdb transfer problems.
>   
>           As the patch says:
>           This is not a pretty patch and only meant as a temporary
>           fix until a better solution is committed.
>   
>   PR:             i386/71715
>   Submitted by:   Stephan Uphoff <ups at tree.com>
>   MFC after:      1 week

What about this change I'm still using with KDB so that break points
don't crash my system as immediately?

--- include/db_machdep.h	10 Jul 2004 23:47:19 -0000	1.18
+++ include/db_machdep.h	27 Aug 2004 23:14:12 -0000
@@ -35,7 +35,7 @@
 typedef	vm_offset_t	db_addr_t;	/* address - unsigned */
 typedef	int		db_expr_t;	/* expression - signed */
 
-#define	PC_REGS()	((db_addr_t)kdb_thrctx->pcb_eip)
+#define	PC_REGS()	((db_addr_t)kdb_frame->tf_eip)
 
 #define	BKPT_INST	0xcc		/* breakpoint instruction */
 #define	BKPT_SIZE	(1)		/* size of breakpoint inst */

-- 
Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''''\
  <> green at FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\