old-cross-binutils/gdb/config/m68k/tm-apollo68b.h

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/* Parameters for execution on Apollo 68k running BSD.
2001-03-06 08:22:02 +00:00
Copyright 1986, 1987, 1989, 1991, 1993, 1994, 1998
Free Software Foundation, Inc.
Contributed by Cygnus Support.
1999-07-07 20:19:36 +00:00
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* Apollos use vector 0xb for the breakpoint vector */
#define BPT_VECTOR 0xb
#include "m68k/tm-m68k.h"
#define FRAME_CHAIN_VALID(chain, thisframe) nonnull_frame_chain_valid (chain, thisframe)
/* These are the jmp_buf registers I could guess. There are 13 registers
* in the buffer. There are 8 data registers, 6 general address registers,
* the Frame Pointer, the Stack Pointer, the PC and the SR in the chip. I would
* guess that 12 is the SR, but we don't need that anyway. 0 and 1 have
* me stumped. 4 appears to be a5 for some unknown reason. If you care
* about this, disassemble setjmp to find out. But don't do it with gdb :)
*/
#undef JB_SP
#undef JB_FP
#undef JB_PC
#undef JB_D0
#undef JB_D1
#undef JB_D2
#undef JB_D3
#undef JB_D4
#undef JB_D5
#define JB_SP 2
#define JB_FP 3
#define JB_PC 5
#define JB_D0 6
#define JB_D1 7
#define JB_D2 8
#define JB_D3 9
#define JB_D4 10
#define JB_D5 11
/* How to decide if we're in a shared library function. (Probably a wrong
definintion inherited from the VxWorks config file). */
#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) (name && strcmp(name, "<end_of_program>") == 0)