1993-10-22 16:03:08 +00:00
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/* Parameters for execution on Apollo 68k running BSD.
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Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
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Contributed by Cygnus Support.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Apollos use vector 0xb for the breakpoint vector */
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#define BPT_VECTOR 0xb
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#include "m68k/tm-m68k.h"
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#define FRAME_CHAIN_VALID(chain, thisframe) (chain != 0)
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/* These are the jmp_buf registers I could guess. There are 13 registers
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* in the buffer. There are 8 data registers, 6 general address registers,
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* the Frame Pointer, the Stack Pointer, the PC and the SR in the chip. I would
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* guess that 12 is the SR, but we don't need that anyway. 0 and 1 have
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* me stumped. 4 appears to be a5 for some unknown reason. If you care
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* about this, disassemble setjmp to find out. But don't do it with gdb :)
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*/
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#undef JB_SP
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#undef JB_FP
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#undef JB_PC
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#undef JB_D0
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#undef JB_D1
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#undef JB_D2
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#undef JB_D3
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#undef JB_D4
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#undef JB_D5
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#define JB_SP 2
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#define JB_FP 3
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#define JB_PC 5
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#define JB_D0 6
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#define JB_D1 7
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#define JB_D2 8
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#define JB_D3 9
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#define JB_D4 10
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#define JB_D5 11
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/* How to decide if we're in a shared library function. (Probably a wrong
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definintion inherited from the VxWorks config file). */
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#define IN_SOLIB_TRAMPOLINE(pc, name) (name && strcmp(name, "<end_of_program>") == 0)
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