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/* Macro definitions for GDB on a Commodore Amiga running SVR4 (amix).
Copyright (C) 1991, Free Software Foundation, Inc.
Written by Fred Fish at Cygnus Support (fnf@cygint)
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* All Amiga's (so far) running UNIX have come standard with the floating
point coprocessor. */
#define HAVE_68881 /* Amiga has floating point coprocessor */
/* Sequence of bytes for breakpoint instruction.
This is a TRAP instruction. The last 4 bits (0x1 below) is the
vector. */
#define BREAKPOINT {0x4e, 0x41 } /* Trap using vector 0x1 */
/* How much to decrement the PC after a trap. Depends on kernel. */
#define DECR_PC_AFTER_BREAK 0 /* No decrement required */
#include "tm-68k.h"
#include "tm-svr4.h"
/* Address of end of stack space. (actually one byte past it).
This value is typically very OS dependent.
FIXME: Check to see if SVR4 offers some machine independent way
of discovering this value and use it if so, and if we need it. */
/* #define STACK_END_ADDR 0xc0800000 */
/* Use the alternate method of avoiding running up off the end of
the frame chain or following frames back into the startup code.
See the comments in blockframe.c */
#undef FRAME_CHAIN_VALID
#define FRAME_CHAIN_VALID(chain, thisframe) \
(chain != 0 \
&& !(inside_main_scope ((thisframe)->pc)) \
&& !(inside_entry_scope ((thisframe)->pc)))
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