128 lines
3.8 KiB
C
128 lines
3.8 KiB
C
/* 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
|
||
|
||
#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 {}
|