Re: Torubles with remote stub for m68k

[Peter Barada <pbarada@mail.wm.sps.mot.com>]

>>> When I execute that with gdb-5.1.1, it attempts to step the processor
>>> without removing the trap instruction so the target processor never
>>> steps past the trap instruction.
>>
>>You also should try with 5.2 or CVS rather than 5.1.1, probably...
>
>I'm grabbing and building it now.  I'll post an update tomorrow.
>

I got to it quicker than I thought.  Nope, same problem as with gdb-5.1.1:

[Switching to thread 1 (Thread 9)]#0  FRSfindfont (
    name=0x1fd6b70 "AlbertusMT", idptr=0x1fd6b4c, ftype=0x1fd6b50, 
    fclass=0x1fd6b54, font_mat=0x4c589c, painttype=0x1fd6b58, 
    fontname=0x1fd6b5c) at ../pdi/fntsockt.c:604
604	    if (fs_first_unused == (FRS_ID *) NULL)
(gdb) show version
GNU gdb 5.2
Copyright 2002 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
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Type "show copying" to see the conditions.
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This GDB was configured as "--host=i686-pc-linux-gnu --target=m68k-elf".
(gdb) set debug remote 1
(gdb) si
Sending packet: $Hc9#e4...Ack
Packet received: OK
Sending packet: $s#73...Ack
Packet received: T05thread:9;
Sending packet: $g#67...Ack
Packet received: 0000000a00000000001fc9ac0000000501fd6b5c01fd6b58004c589c01fd6b54002161620021616d005e874001fd6b5001fd6b70005ca4cc01fd6ae001fd6ab04084a0000003af3c4046800000000000404ca5dc000000007fffffffffffffff7fffffffffffffff7fffffffffffffff7fffffffffffffff7fffffffffffffff7fffffffffffffff000000000000008800000000
604	    if (fs_first_unused == (FRS_ID *) NULL)
(gdb) p/x $pc
$1 = 0x3af3c
(gdb) si
Sending packet: $s#73...Ack
Packet received: T05thread:9;
Sending packet: $g#67...Ack
Packet received: 0000000a00000000001fc9ac0000000501fd6b5c01fd6b58004c589c01fd6b54002161620021616d005e874001fd6b5001fd6b70005ca4cc01fd6ae001fd6aac4084a0000003af3c4046800000000000404ca5dc000000007fffffffffffffff7fffffffffffffff7fffffffffffffff7fffffffffffffff7fffffffffffffff7fffffffffffffff000000000000008800000000
604	    if (fs_first_unused == (FRS_ID *) NULL)
(gdb) p/x $pc
$2 = 0x3af3c
(gdb) 

With gdb-5, if the stub doesn't use breakpoint registers, is it gdb's
responsibility to save/restore the brekpoint across a 's' packet, or
is that the stub's responsibility?

Any help is appreciated!

-- 
Peter Barada                                   Peter.Barada@motorola.com
Wizard                                         781-852-2768 (direct)
WaveMark Solutions(wholly owned by Motorola)   781-270-0193 (fax)