1 /* Parameters for Intel 960 running NINDY monitor, for GDB, the GNU debugger.
2 Copyright (C) 1990-1991 Free Software Foundation, Inc.
3 Contributed by Intel Corporation and Cygnus Support.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21 /*****************************************************************************
22 * Definitions to target GDB to an i960 debugged over a serial line.
23 ******************************************************************************/
25 #include "i960/tm-i960.h"
27 /* forward declarations */
32 /* Override the standard gdb prompt when compiled for this target. */
34 #define DEFAULT_PROMPT "(gdb960) "
36 /* Additional command line options accepted by nindy gdb's, for handling
37 the remote-nindy.c interface. These should really be target-specific
38 rather than architecture-specific. */
40 extern int nindy_old_protocol
; /* nonzero if old NINDY serial protocol */
41 extern int nindy_initial_brk
; /* Send a BREAK to reset board first */
42 extern char *nindy_ttyname
; /* Name of serial port to talk to nindy */
44 #define ADDITIONAL_OPTIONS \
45 {"O", no_argument, &nindy_old_protocol, 1}, \
46 {"brk", no_argument, &nindy_initial_brk, 1}, \
47 {"ser", required_argument, 0, 1004}, /* 1004 is magic cookie for ADDL_CASES */
49 #define ADDITIONAL_OPTION_CASES \
50 case 1004: /* -ser option: remote nindy auto-start */ \
51 nindy_ttyname = optarg; \
54 #define ADDITIONAL_OPTION_HELP \
56 -O Use old protocol to talk to a Nindy target\n\
57 -brk Send a break to a Nindy target to reset it.\n\
58 -ser SERIAL Open remote Nindy session to SERIAL port.\n\
61 /* If specified on the command line, open tty for talking to nindy,
62 and download the executable file if one was specified. */
64 #define ADDITIONAL_OPTION_HANDLER \
65 if (!SET_TOP_LEVEL () && nindy_ttyname) { \
66 nindy_open (nindy_ttyname, !batch); \
67 if (!SET_TOP_LEVEL () && execarg) { \
68 target_load (execarg, !batch); \
72 /* If configured for i960 target, we take control before main loop
73 and demand that we configure for a nindy target. */
75 #define BEFORE_MAIN_LOOP_HOOK \
76 nindy_before_main_loop();
79 nindy_before_main_loop(); /* In remote-nindy.c */
81 /* FRAME_CHAIN_VALID returns zero if the given frame is the outermost one
84 On the i960, each various target system type defines FRAME_CHAIN_VALID,
85 since it differs between NINDY and VxWorks, the two currently supported
88 extern int nindy_frame_chain_valid
PARAMS ((CORE_ADDR
, struct frame_info
*));
89 #define FRAME_CHAIN_VALID(chain, thisframe) nindy_frame_chain_valid (chain, thisframe)
92 nindy_frame_chain_valid(); /* See nindy-tdep.c */
94 /* Sequence of bytes for breakpoint instruction */
96 #define BREAKPOINT {0x00, 0x3e, 0x00, 0x66}
98 /* Amount ip must be decremented by after a breakpoint.
99 * This is often the number of bytes in BREAKPOINT but not always.
102 #define DECR_PC_AFTER_BREAK 0
104 #undef REGISTER_CONVERT_TO_VIRTUAL
105 #undef REGISTER_CONVERT_TO_RAW
106 #undef REGISTER_CONVERTIBLE
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