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+/* Copyright (C) 1986, 1987, 1988, 1989, 1990 Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+GDB 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 1, or (at your option)
+any later version.
+
+GDB 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 GDB; see the file COPYING. If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* This is currently for a 88000 running DGUX. If other 88k ports are
+ done, OS-specific stuff should be moved (see tm-68k.h, for example). */
+/* g++ support is not yet included. */
+
+#define HOST_BYTE_ORDER BIG_ENDIAN
+
+#define USG
+/* DGUX has bcopy(), etc. */
+#define USG_UTILS 0
+
+#include <sys/param.h>
+
+#define vfork() fork()
+#define index strchr
+#define rindex strrchr
+#define getwd(BUF) getcwd(BUF,MAXPATHLEN);
+#define bzero(ptr,count) (memset((ptr),0,(count)))
+#define bcopy(src,dst,count) (memcpy((dst),(src),(count)))
+#define bcmp(left,right,count) (memcmp((right),(left),(count)))
+#ifdef __GNUC__
+#define memcpy __builtin_memcpy
+#define memset __builtin_memset
+#define strcmp __builtin_strcmp
+#endif
+
+#ifdef DGUX
+#define x_foff _x_x._x_offset
+#define x_fname _x_name
+#define USER ptrace_user
+#define _BSD_WAIT_FLAVOR
+#endif
+
+#define HAVE_TERMIO
+
+
+#define USIZE 2048
+#define NBPG NBPC
+#define UPAGES USIZE
+
+#define HAVE_GETPAGESIZE
+
+/* Get rid of any system-imposed stack limit if possible. */
+
+#define SET_STACK_LIMIT_HUGE
+
+/* number of traps that happen between exec'ing the shell
+ * to run an inferior, and when we finally get to
+ * the inferior code. This is 2 on most implementations.
+ */
+#define START_INFERIOR_TRAPS_EXPECTED 2
+
+/* This is the amount to subtract from u.u_ar0
+ to get the offset in the core file of the register values. */
+
+/* Since registers r0 through r31 are stored directly in the struct ptrace_user,
+ (for m88k BCS)
+ the ptrace_user offsets are sufficient and KERNEL_U_ADDRESS can be 0 */
+
+#define KERNEL_U_ADDR 0
+
+#define REGISTER_U_ADDR(addr, blockend, regno) \
+ (addr) = m88k_register_u_addr ((blockend),(regno));
+
+#define HAVE_WAIT_STRUCT
+
+#define FETCH_INFERIOR_REGISTERS
+
+/* Interface definitions for kernel debugger KDB. */
+
+/* Map machine fault codes into signal numbers.
+ First subtract 0, divide by 4, then index in a table.
+ Faults for which the entry in this table is 0
+ are not handled by KDB; the program's own trap handler
+ gets to handle then. */
+
+#define FAULT_CODE_ORIGIN 0
+#define FAULT_CODE_UNITS 4
+#define FAULT_TABLE \
+{ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0}
+
+/* Start running with a stack stretching from BEG to END.
+ BEG and END should be symbols meaningful to the assembler.
+ This is used only for kdb. */
+
+#define INIT_STACK(beg, end) {}
+
+/* Push the frame pointer register on the stack. */
+#define PUSH_FRAME_PTR {}
+
+/* Copy the top-of-stack to the frame pointer register. */
+#define POP_FRAME_PTR {}
+
+/* After KDB is entered by a fault, push all registers
+ that GDB thinks about (all NUM_REGS of them),
+ so that they appear in order of ascending GDB register number.
+ The fault code will be on the stack beyond the last register. */
+
+#define PUSH_REGISTERS {}
+
+/* Assuming the registers (including processor status) have been
+ pushed on the stack in order of ascending GDB register number,
+ restore them and return to the address in the saved PC register. */
+
+#define POP_REGISTERS {}