/* Header file for simulator argument handling.
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/* Header file for simulator argument handling.
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Copyright (C) 1997, 1998, 2007, 2008, 2009, 2010
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Copyright (C) 1997, 1998, 2007, 2008, 2009, 2010
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Contributed by Cygnus Support.
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Contributed by Cygnus Support.
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This file is part of GDB, the GNU debugger.
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This file is part of GDB, the GNU debugger.
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This program is free software; you can redistribute it and/or modify
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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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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef SIM_OPTIONS_H
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#ifndef SIM_OPTIONS_H
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#define SIM_OPTIONS_H
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#define SIM_OPTIONS_H
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#include "getopt.h"
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#include "getopt.h"
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/* ARGV option support.
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/* ARGV option support.
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Options for the standalone simulator are parsed by sim_open since
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Options for the standalone simulator are parsed by sim_open since
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sim_open handles the large majority of them and it also parses the
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sim_open handles the large majority of them and it also parses the
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options when invoked by gdb [or any external program].
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options when invoked by gdb [or any external program].
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For OPTION_HANDLER: arg#2 is the processor to apply to option to
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For OPTION_HANDLER: arg#2 is the processor to apply to option to
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(all if NULL); arg#3 is the option index; arg#4 is the option's
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(all if NULL); arg#3 is the option index; arg#4 is the option's
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argument, NULL if optional and missing; arg#5 is nonzero if a
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argument, NULL if optional and missing; arg#5 is nonzero if a
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command is being interpreted. */
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command is being interpreted. */
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typedef SIM_RC (OPTION_HANDLER) PARAMS ((SIM_DESC, sim_cpu *, int, char *, int));
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typedef SIM_RC (OPTION_HANDLER) PARAMS ((SIM_DESC, sim_cpu *, int, char *, int));
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/* Declare option handlers with a macro so it's usable on k&r systems. */
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/* Declare option handlers with a macro so it's usable on k&r systems. */
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#define DECLARE_OPTION_HANDLER(fn) SIM_RC fn PARAMS ((SIM_DESC, sim_cpu *, int, char *, int))
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#define DECLARE_OPTION_HANDLER(fn) SIM_RC fn PARAMS ((SIM_DESC, sim_cpu *, int, char *, int))
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typedef struct {
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typedef struct {
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/* The long option information. */
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/* The long option information. */
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struct option opt;
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struct option opt;
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/* The short option with the same meaning ('\0' if none).
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/* The short option with the same meaning ('\0' if none).
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For short options, when OPT.VAL is non-zero, it, instead of
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For short options, when OPT.VAL is non-zero, it, instead of
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SHORTOPT is passed to HANDLER.
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SHORTOPT is passed to HANDLER.
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For example, for the below:
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For example, for the below:
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{ {"dc", no_argument, NULL, OPTION_VALUE},
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{ {"dc", no_argument, NULL, OPTION_VALUE},
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'd', NULL, "<<description>>", HANDLER},
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'd', NULL, "<<description>>", HANDLER},
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{ {NULL, no_argument, NULL, OPTION_VALUE},
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{ {NULL, no_argument, NULL, OPTION_VALUE},
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'e', NULL, "<<description>>", HANDLER},
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'e', NULL, "<<description>>", HANDLER},
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the options --dc, -d and -e all result in OPTION_VALUE being
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the options --dc, -d and -e all result in OPTION_VALUE being
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passed into HANDLER. */
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passed into HANDLER. */
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char shortopt;
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char shortopt;
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/* The name of the argument (NULL if none). */
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/* The name of the argument (NULL if none). */
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const char *arg;
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const char *arg;
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/* The documentation string.
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/* The documentation string.
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If DOC is NULL, this option name is listed as a synonym for the
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If DOC is NULL, this option name is listed as a synonym for the
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previous option.
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previous option.
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If DOC and DOC_NAME are the empty string (i.e. ""), this option
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If DOC and DOC_NAME are the empty string (i.e. ""), this option
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is not listed in usage and help messages.
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is not listed in usage and help messages.
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For example, given the aliased options --dc, --dp and -d, then:
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For example, given the aliased options --dc, --dp and -d, then:
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{ {"dc", no_argument, NULL, OPTION_DC},
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{ {"dc", no_argument, NULL, OPTION_DC},
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'd', NULL, "<<description>>", HANDLER},
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'd', NULL, "<<description>>", HANDLER},
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{ {"dp", no_argument, NULL, OPTION_DP},
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{ {"dp", no_argument, NULL, OPTION_DP},
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'\0', NULL, NULL, HANDLER},
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'\0', NULL, NULL, HANDLER},
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will list ``-d, --dc, --dp <<description>>'' */
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will list ``-d, --dc, --dp <<description>>'' */
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const char *doc;
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const char *doc;
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/* A function to process the option. */
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/* A function to process the option. */
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OPTION_HANDLER *handler;
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OPTION_HANDLER *handler;
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/* The documentation name. Used when generating usage and help
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/* The documentation name. Used when generating usage and help
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messages.
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messages.
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If DOC and DOC_NAME are the empty string (i.e. ""), this option
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If DOC and DOC_NAME are the empty string (i.e. ""), this option
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is not listed in usage and help messages.
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is not listed in usage and help messages.
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If DOC_NAME is a non-empty string then it, insted of OPT.NAME, is
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If DOC_NAME is a non-empty string then it, insted of OPT.NAME, is
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listed as the name of the option in usage and help messages.
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listed as the name of the option in usage and help messages.
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For example, given the options --set-pc and --set-sp, then:
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For example, given the options --set-pc and --set-sp, then:
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{ {"set-pc", no_argument, NULL, OPTION_SET_PC},
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{ {"set-pc", no_argument, NULL, OPTION_SET_PC},
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'\0', NULL, "<<description>>", HANDLER, "--set-REGNAME" },
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'\0', NULL, "<<description>>", HANDLER, "--set-REGNAME" },
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{ {"set-sp", no_argument, NULL, OPTION_SET_SP},
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{ {"set-sp", no_argument, NULL, OPTION_SET_SP},
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'\0', NULL, "", HANDLER, "" },
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'\0', NULL, "", HANDLER, "" },
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will list ``--set-REGNAME <<description>>". */
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will list ``--set-REGNAME <<description>>". */
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const char *doc_name;
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const char *doc_name;
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} OPTION;
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} OPTION;
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/* All options that don't have a short form equivalent begin with this for
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/* All options that don't have a short form equivalent begin with this for
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`val'. 130 isn't special, just some non-ASCII value to begin at.
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`val'. 130 isn't special, just some non-ASCII value to begin at.
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Modules needn't worry about collisions here, the code dynamically assigned
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Modules needn't worry about collisions here, the code dynamically assigned
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the actual numbers used and then passes the original value to the option
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the actual numbers used and then passes the original value to the option
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handler. */
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handler. */
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#define OPTION_START 130
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#define OPTION_START 130
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/* Identify valid option in the table */
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/* Identify valid option in the table */
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#define OPTION_VALID_P(O) ((O)->opt.name != NULL || (O)->shortopt != '\0')
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#define OPTION_VALID_P(O) ((O)->opt.name != NULL || (O)->shortopt != '\0')
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/* List of options added by various modules. */
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/* List of options added by various modules. */
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typedef struct option_list {
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typedef struct option_list {
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struct option_list *next;
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struct option_list *next;
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const OPTION *options;
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const OPTION *options;
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} OPTION_LIST;
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} OPTION_LIST;
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/* Add a set of options to the simulator.
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/* Add a set of options to the simulator.
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CPU is the cpu the options apply to or NULL for all cpus.
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CPU is the cpu the options apply to or NULL for all cpus.
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TABLE is an array of OPTIONS terminated by a NULL `opt.name' entry. */
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TABLE is an array of OPTIONS terminated by a NULL `opt.name' entry. */
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SIM_RC sim_add_option_table PARAMS ((SIM_DESC sd, sim_cpu *cpu, const OPTION *table));
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SIM_RC sim_add_option_table PARAMS ((SIM_DESC sd, sim_cpu *cpu, const OPTION *table));
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/* Install handler for the standard options. */
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/* Install handler for the standard options. */
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MODULE_INSTALL_FN standard_install;
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MODULE_INSTALL_FN standard_install;
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/* Called by sim_open to parse the arguments. */
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/* Called by sim_open to parse the arguments. */
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SIM_RC sim_parse_args PARAMS ((SIM_DESC sd, char **argv));
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SIM_RC sim_parse_args PARAMS ((SIM_DESC sd, char **argv));
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/* Print help messages for the options. IS_COMMAND is non-zero when
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/* Print help messages for the options. IS_COMMAND is non-zero when
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this function is called from the command line interpreter. */
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this function is called from the command line interpreter. */
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void sim_print_help PARAMS ((SIM_DESC sd, int is_command));
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void sim_print_help PARAMS ((SIM_DESC sd, int is_command));
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/* Try to parse the command as if it is an option, Only fail when
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/* Try to parse the command as if it is an option, Only fail when
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totally unsuccessful */
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totally unsuccessful */
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SIM_RC sim_args_command PARAMS ((SIM_DESC sd, char *cmd));
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SIM_RC sim_args_command PARAMS ((SIM_DESC sd, char *cmd));
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#endif /* SIM_OPTIONS_H */
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#endif /* SIM_OPTIONS_H */
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