cvs commit: src/sys/i386/i386 gdb_machdep.c
ups at tree.com
Wed Sep 15 17:36:30 PDT 2004
your patch fixes the same problem concerning breakpoints in
ddb. However by always using kdb_frame the wrong IP will
be read when looking at different threads in ddb.
On Wed, 2004-09-15 at 19:39, Brian Fundakowski Feldman wrote:
> 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. \,,,,,,,,,,,,,,,,,,,,,,\
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