X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=sim%2Fcommon%2Fsim-options.h;h=94702c4c8c9dfd0c8d319b554445da083d992165;hb=1ce22eebea40573551c2db2e7c83951154d14c81;hp=586b91cfa6847dd01b720ea2a4375c9c273485db;hpb=fa803dc60f0bf01297674c41d001798e18ade4dc;p=deliverable%2Fbinutils-gdb.git diff --git a/sim/common/sim-options.h b/sim/common/sim-options.h index 586b91cfa6..94702c4c8c 100644 --- a/sim/common/sim-options.h +++ b/sim/common/sim-options.h @@ -1,22 +1,21 @@ /* Header file for simulator argument handling. - Copyright (C) 1997 Free Software Foundation, Inc. + 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 2, or (at your option) -any later version. +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, write to the Free Software Foundation, Inc., -59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +You should have received a copy of the GNU General Public License +along with this program. If not, see . */ #ifndef SIM_OPTIONS_H #define SIM_OPTIONS_H @@ -29,33 +28,86 @@ with this program; if not, write to the Free Software Foundation, Inc., sim_open handles the large majority of them and it also parses the options when invoked by gdb [or any external program]. - arg#2 is the option index; arg#3 is the option's argument, NULL if - optional and missing; arg#4 is nonzero if being called as a - command. */ + 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) PARAMS ((SIM_DESC, int, char *, int)); +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 PARAMS ((SIM_DESC, int, char *, int)) +#define DECLARE_OPTION_HANDLER(fn) SIM_RC fn (SIM_DESC, sim_cpu *, int, char *, int) typedef struct { - /* The long option information. */ + + /* The long option information. */ + struct option opt; - /* The short option with the same meaning ('\0' if none). */ + + /* 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, "<>", HANDLER}, + { {NULL, no_argument, NULL, OPTION_VALUE}, + 'e', NULL, "<>", 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 this is NULL, this is a synonym for - the previous option. */ + + /* 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, "<>", HANDLER}, + { {"dp", no_argument, NULL, OPTION_DP}, + '\0', NULL, NULL, HANDLER}, + + will list ``-d, --dc, --dp <>'' */ + const char *doc; + /* A function to process the option. */ + OPTION_HANDLER *handler; - /* The documented name of the option. If this is NULL, opt.name is - listed; otherwize this is listed as the name of the option. - Ex: given the options --set-pc, set-sp, et.al. the first option - would have doc_opt set to `--set-REGNAME' with the others set to - "". Only --set-REGNAME would then be listed. */ + + /* 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, "<>", HANDLER, "--set-REGNAME" }, + { {"set-sp", no_argument, NULL, OPTION_SET_SP}, + '\0', NULL, "", HANDLER, "" }, + + will list ``--set-REGNAME <>". */ + const char *doc_name; + } OPTION; /* All options that don't have a short form equivalent begin with this for @@ -65,8 +117,8 @@ typedef struct { handler. */ #define OPTION_START 130 -/* Non-zero if an option whose `val' entry is O is using OPTION_START. */ -#define OPTION_LONG_ONLY_P(o) ((unsigned char) (o) >= OPTION_START) +/* 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 { @@ -75,20 +127,22 @@ typedef struct option_list { } 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 PARAMS ((SIM_DESC sd, const OPTION *table)); +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 PARAMS ((SIM_DESC sd, char **argv)); +SIM_RC sim_parse_args (SIM_DESC sd, char * const *argv); -/* Print help messages for the options. */ -void sim_print_help PARAMS ((SIM_DESC sd)); +/* 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 PARAMS ((SIM_DESC sd, char *cmd)); +SIM_RC sim_args_command (SIM_DESC sd, const char *cmd); #endif /* SIM_OPTIONS_H */