93 lines
3.4 KiB
C
93 lines
3.4 KiB
C
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/* Parameters for Intel 960 running MON960 monitor, for GDB, the GNU debugger.
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Copyright (C) 1990-1991 Free Software Foundation, Inc.
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Contributed by Intel Corporation and Cygnus Support.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*****************************************************************************
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* Definitions to target GDB to an i960 debugged over a serial line.
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******************************************************************************/
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#include "i960/tm-i960.h"
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/* redefined from tm-i960.h */
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/* Number of machine registers */
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#undef NUM_REGS
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#define NUM_REGS 40
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/* Initializer for an array of names of registers.
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There should be NUM_REGS strings in this initializer. */
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#undef REGISTER_NAMES
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#define REGISTER_NAMES { \
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/* 0 */ "pfp", "sp", "rip", "r3", "r4", "r5", "r6", "r7", \
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/* 8 */ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",\
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/* 16 */ "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", \
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/* 24 */ "g8", "g9", "g10", "g11", "g12", "g13", "g14", "fp", \
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/* 32 */ "pc", "ac", "tc", "ip", "fp0", "fp1", "fp2", "fp3",\
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}
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/* Override the standard gdb prompt when compiled for this target. */
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#define DEFAULT_PROMPT "(gdb960) "
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/* Additional command line options accepted by mon960 gdb's, for handling
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the remote-mon960.c interface. These should really be target-specific
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rather than architecture-specific. */
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/* FIXME - should use this instead of the "send_break" hack in monitor.c */
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extern int mon960_initial_brk; /* Send a BREAK to reset board first */
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extern char *mon960_ttyname; /* Name of serial port to talk to mon960 */
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#define ADDITIONAL_OPTIONS \
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/* FIXME {"brk", no_argument, &mon960_initial_brk, 1}, */ \
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{"ser", required_argument, 0, 1004}, /* 1004 is magic cookie for ADDL_CASES */
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#define ADDITIONAL_OPTION_CASES \
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case 1004: /* -ser option: remote mon960 auto-start */ \
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mon960_ttyname = optarg; \
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break;
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#define ADDITIONAL_OPTION_HELP \
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"\
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/* FIXME - -brk Send a break to a Mon960 target to reset it.\n*/\
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-ser SERIAL Open remote Mon960 session to SERIAL port.\n\
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"
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/* FRAME_CHAIN_VALID returns zero if the given frame is the outermost one
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and has no caller.
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On the i960, each various target system type defines FRAME_CHAIN_VALID,
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since it differs between Nindy, Mon960 and VxWorks, the currently supported
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targets types. */
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#define FRAME_CHAIN_VALID(chain, thisframe) \
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mon960_frame_chain_valid (chain, thisframe)
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extern int
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mon960_frame_chain_valid(); /* See i960-tdep.c */
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/* Sequence of bytes for breakpoint instruction */
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#define BREAKPOINT {0x00, 0x3e, 0x00, 0x66}
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/* Amount ip must be decremented by after a breakpoint.
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* This is often the number of bytes in BREAKPOINT but not always.
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*/
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#define DECR_PC_AFTER_BREAK 4
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