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/* Header file for simulator argument handling.
Copyright (C) 1997-2020 Free Software Foundation, Inc.
Contributed by Cygnus Support.
This file is part of GDB, the GNU debugger.
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 3 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, see <http://www.gnu.org/licenses/>. */
#ifndef SIM_OPTIONS_H
#define SIM_OPTIONS_H
#include "getopt.h"
/* ARGV option support.
Options for the standalone simulator are parsed by sim_open since
sim_open handles the large majority of them and it also parses the
options when invoked by gdb [or any external program].
For OPTION_HANDLER: arg#2 is the processor to apply to option to
(all if NULL); arg#3 is the option index; arg#4 is the option's
argument, NULL if optional and missing; arg#5 is nonzero if a
command is being interpreted. */
typedef SIM_RC (OPTION_HANDLER) (SIM_DESC, sim_cpu *, int, char *, int);
/* Declare option handlers with a macro so it's usable on k&r systems. */
#define DECLARE_OPTION_HANDLER(fn) SIM_RC fn (SIM_DESC, sim_cpu *, int, char *, int)
typedef struct {
/* The long option information. */
struct option opt;
/* The short option with the same meaning ('\0' if none).
For short options, when OPT.VAL is non-zero, it, instead of
SHORTOPT is passed to HANDLER.
For example, for the below:
{ {"dc", no_argument, NULL, OPTION_VALUE},
'd', NULL, "<<description>>", HANDLER},
{ {NULL, no_argument, NULL, OPTION_VALUE},
'e', NULL, "<<description>>", HANDLER},
the options --dc, -d and -e all result in OPTION_VALUE being
passed into HANDLER. */
char shortopt;
/* The name of the argument (NULL if none). */
const char *arg;
/* The documentation string.
If DOC is NULL, this option name is listed as a synonym for the
previous option.
If DOC and DOC_NAME are the empty string (i.e. ""), this option
is not listed in usage and help messages.
For example, given the aliased options --dc, --dp and -d, then:
{ {"dc", no_argument, NULL, OPTION_DC},
'd', NULL, "<<description>>", HANDLER},
{ {"dp", no_argument, NULL, OPTION_DP},
'\0', NULL, NULL, HANDLER},
will list ``-d, --dc, --dp <<description>>'' */
const char *doc;
/* A function to process the option. */
OPTION_HANDLER *handler;
/* The documentation name. Used when generating usage and help
messages.
If DOC and DOC_NAME are the empty string (i.e. ""), this option
is not listed in usage and help messages.
If DOC_NAME is a non-empty string then it, insted of OPT.NAME, is
listed as the name of the option in usage and help messages.
For example, given the options --set-pc and --set-sp, then:
{ {"set-pc", no_argument, NULL, OPTION_SET_PC},
'\0', NULL, "<<description>>", HANDLER, "--set-REGNAME" },
{ {"set-sp", no_argument, NULL, OPTION_SET_SP},
'\0', NULL, "", HANDLER, "" },
will list ``--set-REGNAME <<description>>". */
const char *doc_name;
} OPTION;
/* All options that don't have a short form equivalent begin with this for
`val'. 130 isn't special, just some non-ASCII value to begin at.
Modules needn't worry about collisions here, the code dynamically assigned
the actual numbers used and then passes the original value to the option
handler. */
#define OPTION_START 130
/* Identify valid option in the table */
#define OPTION_VALID_P(O) ((O)->opt.name != NULL || (O)->shortopt != '\0')
/* List of options added by various modules. */
typedef struct option_list {
struct option_list *next;
const OPTION *options;
} OPTION_LIST;
/* Add a set of options to the simulator.
CPU is the cpu the options apply to or NULL for all cpus.
TABLE is an array of OPTIONS terminated by a NULL `opt.name' entry. */
SIM_RC sim_add_option_table (SIM_DESC sd, sim_cpu *cpu, const OPTION *table);
/* Install handler for the standard options. */
MODULE_INSTALL_FN standard_install;
/* Called by sim_open to parse the arguments. */
SIM_RC sim_parse_args (SIM_DESC sd, char * const *argv);
/* Print help messages for the options. IS_COMMAND is non-zero when
this function is called from the command line interpreter. */
void sim_print_help (SIM_DESC sd, int is_command);
/* Try to parse the command as if it is an option, Only fail when
totally unsuccessful */
SIM_RC sim_args_command (SIM_DESC sd, const char *cmd);
#endif /* SIM_OPTIONS_H */
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