tm-mon960.h

arm-linux-gcc编译器

/* Parameters for Intel 960 running MON960 monitor, for GDB, the GNU debugger.
   Copyright (C) 1990-1991 Free Software Foundation, Inc.
   Contributed by Intel Corporation and Cygnus Support.

   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., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

/*****************************************************************************
 * Definitions to target GDB to an i960 debugged over a serial line.
 ******************************************************************************/

#include "i960/tm-i960.h"

/* forward declarations */
struct frame_info;

/* redefined from tm-i960.h */
/* Number of machine registers */
#undef NUM_REGS
#define NUM_REGS 40

/* Initializer for an array of names of registers.
   There should be NUM_REGS strings in this initializer.  */
#undef REGISTER_NAMES
#define REGISTER_NAMES { \
	/*  0 */ "pfp", "sp",  "rip", "r3",  "r4",  "r5",  "r6",  "r7", \
	/*  8 */ "r8",  "r9",  "r10", "r11", "r12", "r13", "r14", "r15",\
	/* 16 */ "g0",  "g1",  "g2",  "g3",  "g4",  "g5",  "g6",  "g7", \
	/* 24 */ "g8",  "g9",  "g10", "g11", "g12", "g13", "g14", "fp", \
	/* 32 */ "pc",  "ac",  "tc",  "ip",  "fp0", "fp1", "fp2", "fp3",\
}

/* Override the standard gdb prompt when compiled for this target.  */

#define	DEFAULT_PROMPT	"(gdb960) "

/* FRAME_CHAIN_VALID returns zero if the given frame is the outermost one
   and has no caller.

   On the i960, each various target system type defines FRAME_CHAIN_VALID,
   since it differs between Nindy, Mon960 and VxWorks, the currently supported
   target types.  */

extern int mon960_frame_chain_valid PARAMS ((CORE_ADDR, struct frame_info *));
#define	FRAME_CHAIN_VALID(chain, thisframe) mon960_frame_chain_valid (chain, thisframe)

/* Sequence of bytes for breakpoint instruction */

#define BREAKPOINT {0x00, 0x3e, 0x00, 0x66}

/* Amount ip must be decremented by after a breakpoint.
 * This is often the number of bytes in BREAKPOINT but not always.
 */

#define DECR_PC_AFTER_BREAK 4