106 lines
3.7 KiB
C
106 lines
3.7 KiB
C
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/* Parameters for Intel 960 running NINDY 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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GDB 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 1, or (at your option)
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any later version.
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GDB 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 GDB; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, 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 "tm-i960.h"
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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 nindy gdb's, for handling
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the remote-nindy.c interface. These should really be target-specific
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rather than architecture-specific. */
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extern int nindy_old_protocol; /* nonzero if old NINDY serial protocol */
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extern int nindy_initial_brk; /* Send a BREAK to reset board first */
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extern char *nindy_ttyname; /* Name of serial port to talk to nindy */
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#define ADDITIONAL_OPTIONS \
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{"O", 0, &nindy_old_protocol, 1}, \
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{"brk", 0, &nindy_initial_brk, 1}, \
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{"r", 1, 0, 1004}, /* 1004 is magic cookie for ADDL_CASES */
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#define ADDITIONAL_OPTION_CASES \
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case 1004: /* -r option: remote nindy auto-start */ \
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nindy_ttyname = optarg; \
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break;
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#define ADDITIONAL_OPTION_HELP \
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"\
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-O Use old protocol to talk to a Nindy target\n\
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-brk Send a break to a Nindy target to reset it.\n\
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-r SERIAL Open remote Nindy session to SERIAL port.\n\
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"
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/* If specified on the command line, open tty for talking to nindy,
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and download the executable file if one was specified. */
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#define ADDITIONAL_OPTION_HANDLER \
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if (!setjmp (to_top_level) && nindy_ttyname) { \
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nindy_open (nindy_ttyname, !batch); \
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if ( !setjmp(to_top_level) && execarg ) { \
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target_load (execarg, !batch); \
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} \
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}
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/* If configured for i960 target, we take control before main loop
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and demand that we configure for a nindy target. */
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#define BEFORE_MAIN_LOOP_HOOK \
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nindy_before_main_loop();
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/* Address of end of stack space.
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* This probably doesn't matter for nindy, because it's only used
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* in manipulation of core files, which we don't support.
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*/
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#define STACK_END_ADDR (0xfe000000)
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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. In that case, FRAME_CHAIN_COMBINE is not used.
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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 and VxWorks, the two currently supported
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targets types. */
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#define FRAME_CHAIN_VALID(chain, thisframe) \
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nindy_frame_chain_valid (chain, thisframe)
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extern int nindy_frame_chain_valid(); /* See nindy-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 0
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/* Not needed, because we don't support core files:
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* #define KERNEL_U_ADDR
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* #define REGISTER_U_ADDR(addr, blockend, regno)
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*/
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