769 lines
22 KiB
C
769 lines
22 KiB
C
/* Simulator option handling.
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Copyright (C) 1996, 1997 Free Software Foundation, Inc.
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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 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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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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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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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 along
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with this program; if not, write to the Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "sim-main.h"
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#ifdef HAVE_STRING_H
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#include <string.h>
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#else
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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#endif
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#include "libiberty.h"
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#include "../libiberty/alloca-conf.h"
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#include "sim-options.h"
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#include "sim-io.h"
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/* This is defined in sim-config.h. */
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#ifndef MAX_NR_PROCESSORS
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#define MAX_NR_PROCESSORS 1
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#endif
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/* Add a set of options to the simulator.
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TABLE is an array of OPTIONS terminated by a NULL `opt.name' entry.
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This is intended to be called by modules in their `install' handler. */
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SIM_RC
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sim_add_option_table (sd, table)
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SIM_DESC sd;
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const OPTION *table;
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{
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struct option_list *ol = ((struct option_list *)
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xmalloc (sizeof (struct option_list)));
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/* Note: The list is constructed in the reverse order we're called so
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later calls will override earlier ones (in case that ever happens).
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This is the intended behaviour. */
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ol->next = STATE_OPTIONS (sd);
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ol->options = table;
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STATE_OPTIONS (sd) = ol;
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return SIM_RC_OK;
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}
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/* Standard option table.
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Modules may specify additional ones.
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The caller of sim_parse_args may also specify additional options
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by calling sim_add_option_table first. */
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static DECLARE_OPTION_HANDLER (standard_option_handler);
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/* FIXME: We shouldn't print in --help output options that aren't usable.
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Some fine tuning will be necessary. One can either move less general
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options to another table or use a HAVE_FOO macro to ifdef out unavailable
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options. */
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/* ??? One might want to conditionally compile out the entries that
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aren't enabled. There's a distinction, however, between options a
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simulator can't support and options that haven't been configured in.
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Certainly options a simulator can't support shouldn't appear in the
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output of --help. Whether the same thing applies to options that haven't
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been configured in or not isn't something I can get worked up over.
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[Note that conditionally compiling them out might simply involve moving
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the option to another table.]
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If you decide to conditionally compile them out as well, delete this
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comment and add a comment saying that that is the rule. */
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#define OPTION_DEBUG_INSN (OPTION_START + 0)
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#define OPTION_DEBUG_FILE (OPTION_START + 1)
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#define OPTION_TRACE_INSN (OPTION_START + 2)
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#define OPTION_TRACE_DECODE (OPTION_START + 3)
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#define OPTION_TRACE_EXTRACT (OPTION_START + 4)
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#define OPTION_TRACE_LINENUM (OPTION_START + 5)
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#define OPTION_TRACE_MEMORY (OPTION_START + 6)
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#define OPTION_TRACE_MODEL (OPTION_START + 7)
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#define OPTION_TRACE_ALU (OPTION_START + 8)
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#define OPTION_TRACE_FILE (OPTION_START + 9)
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#define OPTION_PROFILE_INSN (OPTION_START + 10)
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#define OPTION_PROFILE_MEMORY (OPTION_START + 11)
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#define OPTION_PROFILE_MODEL (OPTION_START + 12)
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#define OPTION_PROFILE_SIMCACHE (OPTION_START + 13)
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#define OPTION_PROFILE_FILE (OPTION_START + 14)
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static const OPTION standard_options[] =
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{
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{ {"verbose", no_argument, NULL, 'v'},
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'v', NULL, "Verbose output",
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standard_option_handler },
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#if defined (SIM_HAVE_BIENDIAN) /* ??? && WITH_TARGET_BYTE_ORDER == 0 */
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{ {"endian", required_argument, NULL, 'E'},
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'E', "big|little", "Set endianness",
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standard_option_handler },
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#endif
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{ {"debug", no_argument, NULL, 'D'},
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'D', NULL, "Print debugging messages",
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standard_option_handler },
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{ {"debug-insn", no_argument, NULL, OPTION_DEBUG_INSN},
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'\0', NULL, "Print instruction debugging messages",
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standard_option_handler },
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{ {"debug-file", required_argument, NULL, OPTION_DEBUG_FILE},
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'\0', "FILE NAME", "Specify debugging output file",
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standard_option_handler },
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{ {"trace", no_argument, NULL, 't'},
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't', NULL, "Perform tracing",
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standard_option_handler },
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{ {"trace-insn", no_argument, NULL, OPTION_TRACE_INSN},
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'\0', NULL, "Perform instruction tracing",
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standard_option_handler },
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{ {"trace-decode", no_argument, NULL, OPTION_TRACE_DECODE},
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'\0', NULL, "Perform instruction decoding tracing",
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standard_option_handler },
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{ {"trace-extract", no_argument, NULL, OPTION_TRACE_EXTRACT},
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'\0', NULL, "Perform instruction extraction tracing",
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standard_option_handler },
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{ {"trace-linenum", no_argument, NULL, OPTION_TRACE_LINENUM},
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'\0', NULL, "Perform line number tracing",
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standard_option_handler },
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{ {"trace-memory", no_argument, NULL, OPTION_TRACE_MEMORY},
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'\0', NULL, "Perform memory tracing",
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standard_option_handler },
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{ {"trace-model", no_argument, NULL, OPTION_TRACE_MODEL},
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'\0', NULL, "Perform model tracing",
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standard_option_handler },
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{ {"trace-alu", no_argument, NULL, OPTION_TRACE_ALU},
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'\0', NULL, "Perform ALU tracing",
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standard_option_handler },
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{ {"trace-file", required_argument, NULL, OPTION_TRACE_FILE},
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'\0', "FILE NAME", "Specify tracing output file",
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standard_option_handler },
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#ifdef SIM_H8300 /* FIXME: Should be movable to h8300 dir. */
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{ {"h8300h", no_argument, NULL, 'h'},
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'h', NULL, "Indicate the CPU is h8/300h or h8/300s",
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standard_option_handler },
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#endif
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#ifdef SIM_HAVE_SIMCACHE
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{ {"simcache-size", required_argument, NULL, 'c'},
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'c', "SIM CACHE SIZE", "Specify size of simulator execution cache",
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standard_option_handler },
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#endif
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#ifdef SIM_HAVE_FLATMEM
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{ {"mem-size", required_argument, NULL, 'm'},
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'm', "MEMORY SIZE", "Specify memory size",
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standard_option_handler },
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#endif
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#ifdef SIM_HAVE_MAX_INSNS
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{ {"max-insns", required_argument, NULL, 'M'},
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'M', "MAX INSNS", "Specify maximum number of instructions to execute",
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standard_option_handler },
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#endif
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#ifdef SIM_HAVE_PROFILE
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{ {"profile", no_argument, NULL, 'p'},
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'p', NULL, "Perform profiling",
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standard_option_handler },
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{ {"profile-insn", no_argument, NULL, OPTION_PROFILE_INSN},
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'\0', NULL, "Perform instruction profiling",
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standard_option_handler },
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{ {"profile-memory", no_argument, NULL, OPTION_PROFILE_MEMORY},
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'\0', NULL, "Perform memory profiling",
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standard_option_handler },
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{ {"profile-model", no_argument, NULL, OPTION_PROFILE_MODEL},
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'\0', NULL, "Perform model profiling",
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standard_option_handler },
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{ {"profile-simcache", no_argument, NULL, OPTION_PROFILE_SIMCACHE},
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'\0', NULL, "Perform simulator execution cache profiling",
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standard_option_handler },
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{ {"profile-file", required_argument, NULL, OPTION_PROFILE_FILE},
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'\0', "FILE NAME", "Specify profile output file",
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standard_option_handler },
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#ifdef SIM_HAVE_PROFILE_PC
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{ {"profile-pc-frequency", required_argument, NULL, 'F'},
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'F', "PC PROFILE FREQUENCY", "Turn on PC profiling at specified frequency",
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standard_option_handler },
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{ {"profile-pc-size", required_argument, NULL, 'S'},
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'S', "PC PROFILE SIZE", "Specify PC profiling size",
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standard_option_handler },
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#endif
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#endif /* SIM_HAVE_PROFILE */
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{ {"help", no_argument, NULL, 'H'},
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'H', NULL, "Print help information",
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standard_option_handler },
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{ {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL }
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};
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static SIM_RC
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standard_option_handler (sd, opt, arg)
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SIM_DESC sd;
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int opt;
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char *arg;
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{
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int i,n;
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unsigned long ul;
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switch (opt)
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{
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case 'v' :
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STATE_VERBOSE_P (sd) = 1;
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break;
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#ifdef SIM_HAVE_BIENDIAN
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case 'E' :
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if (strcmp (arg, "big") == 0)
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{
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if (WITH_TARGET_BYTE_ORDER == LITTLE_ENDIAN)
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{
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sim_io_eprintf (sd, "Simulator compiled for little endian only.\n");
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return SIM_RC_FAIL;
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}
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/* FIXME:wip: Need to set something in STATE_CONFIG. */
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}
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else if (strcmp (arg, "little") == 0)
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{
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if (WITH_TARGET_BYTE_ORDER == BIG_ENDIAN)
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{
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sim_io_eprintf (sd, "Simulator compiled for big endian only.\n");
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return SIM_RC_FAIL;
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}
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/* FIXME:wip: Need to set something in STATE_CONFIG. */
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}
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else
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{
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sim_io_eprintf (sd, "Invalid endian specification `%s'\n", arg);
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return SIM_RC_FAIL;
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}
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break;
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#endif
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case 'D' :
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if (! WITH_DEBUG)
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sim_io_eprintf (sd, "Debugging not compiled in, `-D' ignored\n");
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else
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{
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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for (i = 0; i < MAX_DEBUG_VALUES; ++i)
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CPU_DEBUG_FLAGS (STATE_CPU (sd, n))[i] = 1;
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}
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break;
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case OPTION_DEBUG_INSN :
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if (! WITH_DEBUG)
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sim_io_eprintf (sd, "Debugging not compiled in, `--debug-insn' ignored\n");
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else
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{
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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CPU_DEBUG_FLAGS (STATE_CPU (sd, n))[DEBUG_INSN_IDX] = 1;
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}
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break;
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case OPTION_DEBUG_FILE :
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if (! WITH_DEBUG)
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sim_io_eprintf (sd, "Debugging not compiled in, `--debug-file' ignored\n");
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else
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{
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FILE *f = fopen (arg, "w");
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if (f == NULL)
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{
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sim_io_eprintf (sd, "Unable to open debug output file `%s'\n", arg);
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return SIM_RC_FAIL;
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}
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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CPU_DEBUG_FILE (STATE_CPU (sd, n)) = f;
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}
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break;
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case 't' :
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if (! WITH_TRACE)
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sim_io_eprintf (sd, "Tracing not compiled in, `-t' ignored\n");
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else
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{
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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for (i = 0; i < MAX_TRACE_VALUES; ++i)
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CPU_TRACE_FLAGS (STATE_CPU (sd, n))[i] = 1;
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}
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break;
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case OPTION_TRACE_INSN :
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if (! (WITH_TRACE & (1 << TRACE_INSN_IDX)))
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sim_io_eprintf (sd, "Instruction tracing not compiled in, `--trace-insn' ignored\n");
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else
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{
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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CPU_TRACE_FLAGS (STATE_CPU (sd, n))[TRACE_INSN_IDX] = 1;
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}
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break;
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case OPTION_TRACE_DECODE :
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if (! (WITH_TRACE & (1 << TRACE_DECODE_IDX)))
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sim_io_eprintf (sd, "Decode tracing not compiled in, `--trace-decode' ignored\n");
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else
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{
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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CPU_TRACE_FLAGS (STATE_CPU (sd, n))[TRACE_DECODE_IDX] = 1;
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}
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break;
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case OPTION_TRACE_EXTRACT :
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if (! (WITH_TRACE & (1 << TRACE_EXTRACT_IDX)))
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sim_io_eprintf (sd, "Extract tracing not compiled in, `--trace-extract' ignored\n");
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else
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{
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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CPU_TRACE_FLAGS (STATE_CPU (sd, n))[TRACE_EXTRACT_IDX] = 1;
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}
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break;
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case OPTION_TRACE_LINENUM :
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if (! (WITH_TRACE & (1 << TRACE_LINENUM_IDX)))
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sim_io_eprintf (sd, "Line number tracing not compiled in, `--trace-linenum' ignored\n");
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else
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{
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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CPU_TRACE_FLAGS (STATE_CPU (sd, n))[TRACE_LINENUM_IDX] = 1;
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}
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break;
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case OPTION_TRACE_MEMORY :
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if (! (WITH_TRACE & (1 << TRACE_MEMORY_IDX)))
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sim_io_eprintf (sd, "Memory tracing not compiled in, `--trace-memory' ignored\n");
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else
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{
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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CPU_TRACE_FLAGS (STATE_CPU (sd, n))[TRACE_MEMORY_IDX] = 1;
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}
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break;
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case OPTION_TRACE_MODEL :
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if (! (WITH_TRACE & (1 << TRACE_MODEL_IDX)))
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sim_io_eprintf (sd, "Model tracing not compiled in, `--trace-model' ignored\n");
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else
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{
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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CPU_TRACE_FLAGS (STATE_CPU (sd, n))[TRACE_MODEL_IDX] = 1;
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}
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break;
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case OPTION_TRACE_ALU :
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if (! (WITH_TRACE & (1 << TRACE_ALU_IDX)))
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sim_io_eprintf (sd, "ALU tracing not compiled in, `--trace-alu' ignored\n");
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else
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{
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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CPU_TRACE_FLAGS (STATE_CPU (sd, n))[TRACE_ALU_IDX] = 1;
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}
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break;
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case OPTION_TRACE_FILE :
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if (! WITH_TRACE)
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sim_io_eprintf (sd, "Tracing not compiled in, `--trace-file' ignored\n");
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else
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{
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FILE *f = fopen (arg, "w");
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if (f == NULL)
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{
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sim_io_eprintf (sd, "Unable to open trace output file `%s'\n", arg);
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return SIM_RC_FAIL;
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}
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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CPU_TRACE_FILE (STATE_CPU (sd, n)) = f;
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}
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break;
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#ifdef SIM_H8300 /* FIXME: Can be moved to h8300 dir. */
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case 'h' :
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set_h8300h (1);
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break;
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#endif
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|
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#ifdef SIM_HAVE_SIMCACHE
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case 'c':
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n = strtol (arg, NULL, 0);
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if (n <= 0)
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{
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sim_io_eprintf (sd, "Invalid simulator cache size: %d", n);
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return SIM_RC_FAIL;
|
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}
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STATE_SIMCACHE_SIZE (sd) = n;
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break;
|
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#endif
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|
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#ifdef SIM_HAVE_FLATMEM
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case 'm':
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ul = strtol (arg, NULL, 0);
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/* 16384: some minimal amount */
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if (! isdigit (arg[0]) || ul < 16384)
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{
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sim_io_eprintf (sd, "Invalid memory size `%s'", arg);
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return SIM_RC_FAIL;
|
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}
|
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STATE_MEM_SIZE (sd) = ul;
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break;
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#endif
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|
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#ifdef SIM_HAVE_MAX_INSNS
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case 'M' :
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ul = strtoul (arg, NULL, 0);
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if (! isdigit (arg[0]))
|
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{
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sim_io_eprintf (sd, "Invalid maximum instruction count: `%s'", arg);
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return SIM_RC_FAIL;
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|
}
|
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STATE_MAX_INSNS (sd) = ul;
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break;
|
|
#endif
|
|
|
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#ifdef SIM_HAVE_PROFILE
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case 'p' :
|
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if (! WITH_PROFILE)
|
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sim_io_eprintf (sd, "Profile not compiled in, -p option ignored\n");
|
|
else
|
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{
|
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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for (i = 0; i < MAX_PROFILE_VALUES; ++i)
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CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[i] = 1;
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}
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break;
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|
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case OPTION_PROFILE_INSN :
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if (! (WITH_PROFILE & (1 << PROFILE_INSN_IDX)))
|
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sim_io_eprintf (sd, "Instruction profiling not compiled in, `--profile-insn' ignored\n");
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|
else
|
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{
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
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CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_INSN_IDX] = 1;
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}
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break;
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|
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case OPTION_PROFILE_MEMORY :
|
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if (! (WITH_PROFILE & (1 << PROFILE_MEMORY_IDX)))
|
|
sim_io_eprintf (sd, "Memory profiling not compiled in, `--profile-memory' ignored\n");
|
|
else
|
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{
|
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
|
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CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_MEMORY_IDX] = 1;
|
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}
|
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break;
|
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|
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case OPTION_PROFILE_MODEL :
|
|
if (! (WITH_PROFILE & (1 << PROFILE_MODEL_IDX)))
|
|
sim_io_eprintf (sd, "Model profiling not compiled in, `--profile-model' ignored\n");
|
|
else
|
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{
|
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for (n = 0; n < MAX_NR_PROCESSORS; ++n)
|
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CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_MODEL_IDX] = 1;
|
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}
|
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break;
|
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|
|
case OPTION_PROFILE_SIMCACHE :
|
|
if (! (WITH_PROFILE & (1 << PROFILE_SIMCACHE_IDX)))
|
|
sim_io_eprintf (sd, "Simulator cache profiling not compiled in, `--profile-simcache' ignored\n");
|
|
else
|
|
{
|
|
for (n = 0; n < MAX_NR_PROCESSORS; ++n)
|
|
CPU_PROFILE_FLAGS (STATE_CPU (sd, n))[PROFILE_SIMCACHE_IDX] = 1;
|
|
}
|
|
break;
|
|
|
|
case OPTION_PROFILE_FILE :
|
|
/* FIXME: Might want this to apply to pc profiling only,
|
|
or have two profile file options. */
|
|
if (! WITH_PROFILE)
|
|
sim_io_eprintf (sd, "Profiling not compiled in, `--profile-file' ignored\n");
|
|
else
|
|
{
|
|
FILE *f = fopen (arg, "w");
|
|
|
|
if (f == NULL)
|
|
{
|
|
sim_io_eprintf (sd, "Unable to open profile output file `%s'\n", arg);
|
|
return SIM_RC_FAIL;
|
|
}
|
|
for (n = 0; n < MAX_NR_PROCESSORS; ++n)
|
|
CPU_PROFILE_FILE (STATE_CPU (sd, n)) = f;
|
|
}
|
|
break;
|
|
|
|
#ifdef SIM_HAVE_PROFILE_PC
|
|
case 'F' :
|
|
STATE_PROFILE_PC_FREQUENCY (sd) = atoi (arg);
|
|
/* FIXME: Validate arg. */
|
|
break;
|
|
case 'S' :
|
|
STATE_PROFILE_PC_SIZE (sd) = atoi (arg);
|
|
/* FIXME: Validate arg. */
|
|
break;
|
|
#endif
|
|
#endif /* SIM_HAVE_PROFILE */
|
|
|
|
case 'H':
|
|
sim_print_help (sd);
|
|
if (STATE_OPEN_KIND (sd) == SIM_OPEN_STANDALONE)
|
|
exit (0);
|
|
/* FIXME: 'twould be nice to do something similar if gdb. */
|
|
break;
|
|
}
|
|
|
|
return SIM_RC_OK;
|
|
}
|
|
|
|
/* Initialize common parts before argument processing.
|
|
Called by sim_open. */
|
|
|
|
SIM_RC
|
|
sim_pre_argv_init (sd, myname)
|
|
SIM_DESC sd;
|
|
const char *myname;
|
|
{
|
|
STATE_MY_NAME (sd) = myname + strlen (myname);
|
|
while (STATE_MY_NAME (sd) > myname && STATE_MY_NAME (sd)[-1] != '/')
|
|
--STATE_MY_NAME (sd);
|
|
|
|
if (sim_add_option_table (sd, standard_options) != SIM_RC_OK)
|
|
return SIM_RC_FAIL;
|
|
|
|
return SIM_RC_OK;
|
|
}
|
|
|
|
/* Return non-zero if arg is a duplicate argument.
|
|
If ARG is NULL, initialize. */
|
|
|
|
#define ARG_HASH_SIZE 97
|
|
#define ARG_HASH(a) ((256 * (unsigned char) a[0] + (unsigned char) a[1]) % ARG_HASH_SIZE)
|
|
|
|
static int
|
|
dup_arg_p (arg)
|
|
char *arg;
|
|
{
|
|
int hash;
|
|
static char **arg_table = NULL;
|
|
|
|
if (arg == NULL)
|
|
{
|
|
if (arg_table == NULL)
|
|
arg_table = (char **) xmalloc (ARG_HASH_SIZE * sizeof (char *));
|
|
memset (arg_table, 0, ARG_HASH_SIZE * sizeof (char *));
|
|
return 0;
|
|
}
|
|
|
|
hash = ARG_HASH (arg);
|
|
while (arg_table[hash] != NULL)
|
|
{
|
|
if (strcmp (arg, arg_table[hash]) == 0)
|
|
return 1;
|
|
/* We assume there won't be more than ARG_HASH_SIZE arguments so we
|
|
don't check if the table is full. */
|
|
if (++hash == ARG_HASH_SIZE)
|
|
hash = 0;
|
|
}
|
|
arg_table[hash] = arg;
|
|
return 0;
|
|
}
|
|
|
|
/* Called by sim_open to parse the arguments. */
|
|
|
|
SIM_RC
|
|
sim_parse_args (sd, argv)
|
|
SIM_DESC sd;
|
|
char **argv;
|
|
{
|
|
int i, argc, num_opts;
|
|
char *p, *short_options;
|
|
/* The `val' option struct entry is dynamically assigned for options that
|
|
only come in the long form. ORIG_VAL is used to get the original value
|
|
back. */
|
|
unsigned char *orig_val;
|
|
struct option *lp, *long_options;
|
|
const struct option_list *ol;
|
|
const OPTION *opt;
|
|
OPTION_HANDLER **handlers;
|
|
|
|
/* Count the number of arguments. */
|
|
for (argc = 0; argv[argc] != NULL; ++argc)
|
|
continue;
|
|
|
|
/* Count the number of options. */
|
|
num_opts = 0;
|
|
for (ol = STATE_OPTIONS (sd); ol != NULL; ol = ol->next)
|
|
for (opt = ol->options; opt->opt.name != NULL; ++opt)
|
|
++num_opts;
|
|
|
|
/* Initialize duplicate argument checker. */
|
|
(void) dup_arg_p (NULL);
|
|
|
|
/* Build the option table for getopt. */
|
|
long_options = (struct option *) alloca ((num_opts + 1) * sizeof (struct option));
|
|
lp = long_options;
|
|
short_options = (char *) alloca (num_opts * 3 + 1);
|
|
p = short_options;
|
|
#if 0 /* ??? necessary anymore? */
|
|
/* Set '+' as first char so argument permutation isn't done. This is done
|
|
to workaround a problem with invoking getopt_long in run.c.: optind gets
|
|
decremented when the program name is reached. */
|
|
*p++ = '+';
|
|
#endif
|
|
handlers = (OPTION_HANDLER **) alloca (256 * sizeof (OPTION_HANDLER *));
|
|
memset (handlers, 0, 256 * sizeof (OPTION_HANDLER *));
|
|
orig_val = (unsigned char *) alloca (256);
|
|
for (i = OPTION_START, ol = STATE_OPTIONS (sd); ol != NULL; ol = ol->next)
|
|
for (opt = ol->options; opt->opt.name != NULL; ++opt)
|
|
{
|
|
if (dup_arg_p (opt->opt.name))
|
|
continue;
|
|
if (opt->shortopt != 0)
|
|
{
|
|
*p++ = opt->shortopt;
|
|
if (opt->opt.has_arg == required_argument)
|
|
*p++ = ':';
|
|
else if (opt->opt.has_arg == optional_argument)
|
|
{ *p++ = ':'; *p++ = ':'; }
|
|
}
|
|
*lp = opt->opt;
|
|
/* Dynamically assign `val' numbers for long options that don't have
|
|
a short option equivalent. */
|
|
if (OPTION_LONG_ONLY_P (opt->opt.val))
|
|
lp->val = i++;
|
|
handlers[(unsigned char) lp->val] = opt->handler;
|
|
orig_val[(unsigned char) lp->val] = opt->opt.val;
|
|
++lp;
|
|
}
|
|
*p = 0;
|
|
lp->name = NULL;
|
|
|
|
/* Ensure getopt is initialized. */
|
|
optind = 0;
|
|
while (1)
|
|
{
|
|
int longind, optc;
|
|
|
|
optc = getopt_long (argc, argv, short_options, long_options, &longind);
|
|
if (optc == -1)
|
|
{
|
|
if (STATE_OPEN_KIND (sd) == SIM_OPEN_STANDALONE)
|
|
STATE_PROG_ARGV (sd) = argv + optind;
|
|
break;
|
|
}
|
|
if (optc == '?')
|
|
return SIM_RC_FAIL;
|
|
|
|
if ((*handlers[optc]) (sd, orig_val[optc], optarg) == SIM_RC_FAIL)
|
|
return SIM_RC_FAIL;
|
|
}
|
|
|
|
return SIM_RC_OK;
|
|
}
|
|
|
|
/* Print help messages for the options. */
|
|
|
|
void
|
|
sim_print_help (sd)
|
|
SIM_DESC sd;
|
|
{
|
|
const struct option_list *ol;
|
|
const OPTION *opt;
|
|
|
|
if (STATE_OPEN_KIND (sd) == SIM_OPEN_STANDALONE)
|
|
sim_io_printf (sd, "Usage: %s [options] program [program args]\n",
|
|
STATE_MY_NAME (sd));
|
|
|
|
/* Initialize duplicate argument checker. */
|
|
(void) dup_arg_p (NULL);
|
|
|
|
sim_io_printf (sd, "Options:\n");
|
|
for (ol = STATE_OPTIONS (sd); ol != NULL; ol = ol->next)
|
|
for (opt = ol->options; opt->opt.name != NULL; ++opt)
|
|
{
|
|
int comma, len;
|
|
const OPTION *o;
|
|
|
|
if (dup_arg_p (opt->opt.name))
|
|
continue;
|
|
|
|
if (opt->doc == NULL)
|
|
continue;
|
|
|
|
sim_io_printf (sd, " ");
|
|
|
|
comma = 0;
|
|
len = 2;
|
|
|
|
o = opt;
|
|
do
|
|
{
|
|
if (o->shortopt != '\0')
|
|
{
|
|
sim_io_printf (sd, "%s-%c", comma ? ", " : "", o->shortopt);
|
|
len += (comma ? 2 : 0) + 2;
|
|
if (o->arg != NULL)
|
|
{
|
|
if (o->opt.has_arg != optional_argument)
|
|
{
|
|
sim_io_printf (sd, " ");
|
|
++len;
|
|
}
|
|
sim_io_printf (sd, "%s", o->arg);
|
|
len += strlen (o->arg);
|
|
}
|
|
comma = 1;
|
|
}
|
|
++o;
|
|
}
|
|
while (o->opt.name != NULL && o->doc == NULL);
|
|
|
|
o = opt;
|
|
do
|
|
{
|
|
if (o->opt.name != NULL)
|
|
{
|
|
sim_io_printf (sd, "%s--%s",
|
|
comma ? ", " : "",
|
|
o->opt.name);
|
|
len += ((comma ? 2 : 0)
|
|
+ 2
|
|
+ strlen (o->opt.name));
|
|
if (o->arg != NULL)
|
|
{
|
|
sim_io_printf (sd, " %s", o->arg);
|
|
len += 1 + strlen (o->arg);
|
|
}
|
|
comma = 1;
|
|
}
|
|
++o;
|
|
}
|
|
while (o->opt.name != NULL && o->doc == NULL);
|
|
|
|
if (len >= 30)
|
|
{
|
|
sim_io_printf (sd, "\n");
|
|
len = 0;
|
|
}
|
|
|
|
for (; len < 30; len++)
|
|
sim_io_printf (sd, " ");
|
|
|
|
sim_io_printf (sd, "%s\n", opt->doc);
|
|
}
|
|
|
|
if (STATE_OPEN_KIND (sd) == SIM_OPEN_STANDALONE)
|
|
{
|
|
sim_io_printf (sd, "\n");
|
|
sim_io_printf (sd, "program args Arguments to pass to simulated program.\n");
|
|
sim_io_printf (sd, " Note: Very few simulators support this.\n");
|
|
}
|
|
}
|