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- /* Copyright (C) 1986, 1987, 1988, 1989, 1990 Free Software Foundation, Inc.
-
- 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. */
-
- /* 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
-
- #if !defined (USG)
- #define USG 1
- #endif
- /* 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
- /* gcc doesn't have this, at least not gcc 1.92. */
- /* #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 {}
-