mirror of
https://github.com/espressif/binutils-gdb.git
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Initial creation of sourceware repository
This commit is contained in:
Stan Shebs
936
sim/common/sim-options.c
Normal file
936
sim/common/sim-options.c
Normal file
@ -0,0 +1,936 @@
|
||||
/* Simulator option handling.
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||||
Copyright (C) 1996, 1997 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.
|
||||
|
||||
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. */
|
||||
|
||||
#include "sim-main.h"
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||||
#ifdef HAVE_STRING_H
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||||
#include <string.h>
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||||
#else
|
||||
#ifdef HAVE_STRINGS_H
|
||||
#include <strings.h>
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||||
#endif
|
||||
#endif
|
||||
#ifdef HAVE_STDLIB_H
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||||
#include <stdlib.h>
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||||
#endif
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||||
#include <ctype.h>
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||||
#include "libiberty.h"
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#include "sim-options.h"
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||||
#include "sim-io.h"
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||||
#include "sim-assert.h"
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||||
#include "bfd.h"
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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
|
||||
sim_add_option_table (SIM_DESC sd, sim_cpu *cpu, const OPTION *table)
|
||||
{
|
||||
struct option_list *ol = ((struct option_list *)
|
||||
xmalloc (sizeof (struct option_list)));
|
||||
|
||||
/* Note: The list is constructed in the reverse order we're called so
|
||||
later calls will override earlier ones (in case that ever happens).
|
||||
This is the intended behaviour. */
|
||||
|
||||
if (cpu)
|
||||
{
|
||||
ol->next = CPU_OPTIONS (cpu);
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||||
ol->options = table;
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||||
CPU_OPTIONS (cpu) = ol;
|
||||
}
|
||||
else
|
||||
{
|
||||
ol->next = STATE_OPTIONS (sd);
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||||
ol->options = table;
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||||
STATE_OPTIONS (sd) = ol;
|
||||
}
|
||||
|
||||
return SIM_RC_OK;
|
||||
}
|
||||
|
||||
/* Standard option table.
|
||||
Modules may specify additional ones.
|
||||
The caller of sim_parse_args may also specify additional options
|
||||
by calling sim_add_option_table first. */
|
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|
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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.
|
||||
Some fine tuning will be necessary. One can either move less general
|
||||
options to another table or use a HAVE_FOO macro to ifdef out unavailable
|
||||
options. */
|
||||
|
||||
/* ??? One might want to conditionally compile out the entries that
|
||||
aren't enabled. There's a distinction, however, between options a
|
||||
simulator can't support and options that haven't been configured in.
|
||||
Certainly options a simulator can't support shouldn't appear in the
|
||||
output of --help. Whether the same thing applies to options that haven't
|
||||
been configured in or not isn't something I can get worked up over.
|
||||
[Note that conditionally compiling them out might simply involve moving
|
||||
the option to another table.]
|
||||
If you decide to conditionally compile them out as well, delete this
|
||||
comment and add a comment saying that that is the rule. */
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typedef enum {
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OPTION_DEBUG_INSN = OPTION_START,
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OPTION_DEBUG_FILE,
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||||
OPTION_DO_COMMAND,
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||||
OPTION_ARCHITECTURE,
|
||||
OPTION_TARGET,
|
||||
OPTION_ARCHITECTURE_INFO,
|
||||
OPTION_ENVIRONMENT,
|
||||
OPTION_ALIGNMENT,
|
||||
OPTION_VERBOSE,
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||||
#if defined (SIM_HAVE_BIENDIAN)
|
||||
OPTION_ENDIAN,
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||||
#endif
|
||||
OPTION_DEBUG,
|
||||
#ifdef SIM_HAVE_FLATMEM
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||||
OPTION_MEM_SIZE,
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||||
#endif
|
||||
OPTION_HELP,
|
||||
#ifdef SIM_H8300 /* FIXME: Should be movable to h8300 dir. */
|
||||
OPTION_H8300,
|
||||
#endif
|
||||
} STANDARD_OPTIONS;
|
||||
|
||||
static const OPTION standard_options[] =
|
||||
{
|
||||
{ {"verbose", no_argument, NULL, OPTION_VERBOSE},
|
||||
'v', NULL, "Verbose output",
|
||||
standard_option_handler },
|
||||
|
||||
#if defined (SIM_HAVE_BIENDIAN) /* ??? && WITH_TARGET_BYTE_ORDER == 0 */
|
||||
{ {"endian", required_argument, NULL, OPTION_ENDIAN},
|
||||
'E', "big|little", "Set endianness",
|
||||
standard_option_handler },
|
||||
#endif
|
||||
|
||||
#ifdef SIM_HAVE_ENVIRONMENT
|
||||
/* This option isn't supported unless all choices are supported in keeping
|
||||
with the goal of not printing in --help output things the simulator can't
|
||||
do [as opposed to things that just haven't been configured in]. */
|
||||
{ {"environment", required_argument, NULL, OPTION_ENVIRONMENT},
|
||||
'\0', "user|virtual|operating", "Set running environment",
|
||||
standard_option_handler },
|
||||
#endif
|
||||
|
||||
{ {"alignment", required_argument, NULL, OPTION_ALIGNMENT},
|
||||
'\0', "strict|nonstrict|forced", "Set memory access alignment",
|
||||
standard_option_handler },
|
||||
|
||||
{ {"debug", no_argument, NULL, OPTION_DEBUG},
|
||||
'D', NULL, "Print debugging messages",
|
||||
standard_option_handler },
|
||||
{ {"debug-insn", no_argument, NULL, OPTION_DEBUG_INSN},
|
||||
'\0', NULL, "Print instruction debugging messages",
|
||||
standard_option_handler },
|
||||
{ {"debug-file", required_argument, NULL, OPTION_DEBUG_FILE},
|
||||
'\0', "FILE NAME", "Specify debugging output file",
|
||||
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, OPTION_H8300},
|
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'h', NULL, "Indicate the CPU is h8/300h or h8/300s",
|
||||
standard_option_handler },
|
||||
#endif
|
||||
|
||||
#ifdef SIM_HAVE_FLATMEM
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||||
{ {"mem-size", required_argument, NULL, OPTION_MEM_SIZE},
|
||||
'm', "MEMORY SIZE", "Specify memory size",
|
||||
standard_option_handler },
|
||||
#endif
|
||||
|
||||
{ {"do-command", required_argument, NULL, OPTION_DO_COMMAND},
|
||||
'\0', "COMMAND", ""/*undocumented*/,
|
||||
standard_option_handler },
|
||||
|
||||
{ {"help", no_argument, NULL, OPTION_HELP},
|
||||
'H', NULL, "Print help information",
|
||||
standard_option_handler },
|
||||
|
||||
{ {"architecture", required_argument, NULL, OPTION_ARCHITECTURE},
|
||||
'\0', "MACHINE", "Specify the architecture to use",
|
||||
standard_option_handler },
|
||||
{ {"architecture-info", no_argument, NULL, OPTION_ARCHITECTURE_INFO},
|
||||
'\0', NULL, "List supported architectures",
|
||||
standard_option_handler },
|
||||
{ {"info-architecture", no_argument, NULL, OPTION_ARCHITECTURE_INFO},
|
||||
'\0', NULL, NULL,
|
||||
standard_option_handler },
|
||||
|
||||
{ {"target", required_argument, NULL, OPTION_TARGET},
|
||||
'\0', "BFDNAME", "Specify the object-code format for the object files",
|
||||
standard_option_handler },
|
||||
|
||||
{ {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL }
|
||||
};
|
||||
|
||||
static SIM_RC
|
||||
standard_option_handler (SIM_DESC sd, sim_cpu *cpu, int opt,
|
||||
char *arg, int is_command)
|
||||
{
|
||||
int i,n;
|
||||
|
||||
switch ((STANDARD_OPTIONS) opt)
|
||||
{
|
||||
case OPTION_VERBOSE:
|
||||
STATE_VERBOSE_P (sd) = 1;
|
||||
break;
|
||||
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||||
#ifdef SIM_HAVE_BIENDIAN
|
||||
case OPTION_ENDIAN:
|
||||
if (strcmp (arg, "big") == 0)
|
||||
{
|
||||
if (WITH_TARGET_BYTE_ORDER == LITTLE_ENDIAN)
|
||||
{
|
||||
sim_io_eprintf (sd, "Simulator compiled for little endian only.\n");
|
||||
return SIM_RC_FAIL;
|
||||
}
|
||||
/* FIXME:wip: Need to set something in STATE_CONFIG. */
|
||||
current_target_byte_order = BIG_ENDIAN;
|
||||
}
|
||||
else if (strcmp (arg, "little") == 0)
|
||||
{
|
||||
if (WITH_TARGET_BYTE_ORDER == BIG_ENDIAN)
|
||||
{
|
||||
sim_io_eprintf (sd, "Simulator compiled for big endian only.\n");
|
||||
return SIM_RC_FAIL;
|
||||
}
|
||||
/* FIXME:wip: Need to set something in STATE_CONFIG. */
|
||||
current_target_byte_order = LITTLE_ENDIAN;
|
||||
}
|
||||
else
|
||||
{
|
||||
sim_io_eprintf (sd, "Invalid endian specification `%s'\n", arg);
|
||||
return SIM_RC_FAIL;
|
||||
}
|
||||
break;
|
||||
#endif
|
||||
|
||||
case OPTION_ENVIRONMENT:
|
||||
if (strcmp (arg, "user") == 0)
|
||||
STATE_ENVIRONMENT (sd) = USER_ENVIRONMENT;
|
||||
else if (strcmp (arg, "virtual") == 0)
|
||||
STATE_ENVIRONMENT (sd) = VIRTUAL_ENVIRONMENT;
|
||||
else if (strcmp (arg, "operating") == 0)
|
||||
STATE_ENVIRONMENT (sd) = OPERATING_ENVIRONMENT;
|
||||
else
|
||||
{
|
||||
sim_io_eprintf (sd, "Invalid environment specification `%s'\n", arg);
|
||||
return SIM_RC_FAIL;
|
||||
}
|
||||
if (WITH_ENVIRONMENT != ALL_ENVIRONMENT
|
||||
&& WITH_ENVIRONMENT != STATE_ENVIRONMENT (sd))
|
||||
{
|
||||
char *type;
|
||||
switch (WITH_ENVIRONMENT)
|
||||
{
|
||||
case USER_ENVIRONMENT: type = "user"; break;
|
||||
case VIRTUAL_ENVIRONMENT: type = "virtual"; break;
|
||||
case OPERATING_ENVIRONMENT: type = "operating"; break;
|
||||
}
|
||||
sim_io_eprintf (sd, "Simulator compiled for the %s environment only.\n",
|
||||
type);
|
||||
return SIM_RC_FAIL;
|
||||
}
|
||||
break;
|
||||
|
||||
case OPTION_ALIGNMENT:
|
||||
if (strcmp (arg, "strict") == 0)
|
||||
{
|
||||
if (WITH_ALIGNMENT == 0 || WITH_ALIGNMENT == STRICT_ALIGNMENT)
|
||||
{
|
||||
current_alignment = STRICT_ALIGNMENT;
|
||||
break;
|
||||
}
|
||||
}
|
||||
else if (strcmp (arg, "nonstrict") == 0)
|
||||
{
|
||||
if (WITH_ALIGNMENT == 0 || WITH_ALIGNMENT == NONSTRICT_ALIGNMENT)
|
||||
{
|
||||
current_alignment = NONSTRICT_ALIGNMENT;
|
||||
break;
|
||||
}
|
||||
}
|
||||
else if (strcmp (arg, "forced") == 0)
|
||||
{
|
||||
if (WITH_ALIGNMENT == 0 || WITH_ALIGNMENT == FORCED_ALIGNMENT)
|
||||
{
|
||||
current_alignment = FORCED_ALIGNMENT;
|
||||
break;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
sim_io_eprintf (sd, "Invalid alignment specification `%s'\n", arg);
|
||||
return SIM_RC_FAIL;
|
||||
}
|
||||
switch (WITH_ALIGNMENT)
|
||||
{
|
||||
case STRICT_ALIGNMENT:
|
||||
sim_io_eprintf (sd, "Simulator compiled for strict alignment only.\n");
|
||||
break;
|
||||
case NONSTRICT_ALIGNMENT:
|
||||
sim_io_eprintf (sd, "Simulator compiled for nonstrict alignment only.\n");
|
||||
break;
|
||||
case FORCED_ALIGNMENT:
|
||||
sim_io_eprintf (sd, "Simulator compiled for forced alignment only.\n");
|
||||
break;
|
||||
}
|
||||
return SIM_RC_FAIL;
|
||||
|
||||
case OPTION_DEBUG:
|
||||
if (! WITH_DEBUG)
|
||||
sim_io_eprintf (sd, "Debugging not compiled in, `-D' ignored\n");
|
||||
else
|
||||
{
|
||||
for (n = 0; n < MAX_NR_PROCESSORS; ++n)
|
||||
for (i = 0; i < MAX_DEBUG_VALUES; ++i)
|
||||
CPU_DEBUG_FLAGS (STATE_CPU (sd, n))[i] = 1;
|
||||
}
|
||||
break;
|
||||
|
||||
case OPTION_DEBUG_INSN :
|
||||
if (! WITH_DEBUG)
|
||||
sim_io_eprintf (sd, "Debugging not compiled in, `--debug-insn' ignored\n");
|
||||
else
|
||||
{
|
||||
for (n = 0; n < MAX_NR_PROCESSORS; ++n)
|
||||
CPU_DEBUG_FLAGS (STATE_CPU (sd, n))[DEBUG_INSN_IDX] = 1;
|
||||
}
|
||||
break;
|
||||
|
||||
case OPTION_DEBUG_FILE :
|
||||
if (! WITH_DEBUG)
|
||||
sim_io_eprintf (sd, "Debugging not compiled in, `--debug-file' ignored\n");
|
||||
else
|
||||
{
|
||||
FILE *f = fopen (arg, "w");
|
||||
|
||||
if (f == NULL)
|
||||
{
|
||||
sim_io_eprintf (sd, "Unable to open debug output file `%s'\n", arg);
|
||||
return SIM_RC_FAIL;
|
||||
}
|
||||
for (n = 0; n < MAX_NR_PROCESSORS; ++n)
|
||||
CPU_DEBUG_FILE (STATE_CPU (sd, n)) = f;
|
||||
}
|
||||
break;
|
||||
|
||||
#ifdef SIM_H8300 /* FIXME: Can be moved to h8300 dir. */
|
||||
case OPTION_H8300:
|
||||
set_h8300h (1);
|
||||
break;
|
||||
#endif
|
||||
|
||||
#ifdef SIM_HAVE_FLATMEM
|
||||
case OPTION_MEM_SIZE:
|
||||
{
|
||||
unsigned long ul = strtol (arg, NULL, 0);
|
||||
/* 16384: some minimal amount */
|
||||
if (! isdigit (arg[0]) || ul < 16384)
|
||||
{
|
||||
sim_io_eprintf (sd, "Invalid memory size `%s'", arg);
|
||||
return SIM_RC_FAIL;
|
||||
}
|
||||
STATE_MEM_SIZE (sd) = ul;
|
||||
}
|
||||
break;
|
||||
#endif
|
||||
|
||||
case OPTION_DO_COMMAND:
|
||||
sim_do_command (sd, arg);
|
||||
break;
|
||||
|
||||
case OPTION_ARCHITECTURE:
|
||||
{
|
||||
const struct bfd_arch_info *ap = bfd_scan_arch (arg);
|
||||
if (ap == NULL)
|
||||
{
|
||||
sim_io_eprintf (sd, "Architecture `%s' unknown\n", arg);
|
||||
return SIM_RC_FAIL;
|
||||
}
|
||||
STATE_ARCHITECTURE (sd) = ap;
|
||||
break;
|
||||
}
|
||||
|
||||
case OPTION_ARCHITECTURE_INFO:
|
||||
{
|
||||
const char **list = bfd_arch_list();
|
||||
const char **lp;
|
||||
if (list == NULL)
|
||||
abort ();
|
||||
sim_io_printf (sd, "Possible architectures:");
|
||||
for (lp = list; *lp != NULL; lp++)
|
||||
sim_io_printf (sd, " %s", *lp);
|
||||
sim_io_printf (sd, "\n");
|
||||
free (list);
|
||||
break;
|
||||
}
|
||||
|
||||
case OPTION_TARGET:
|
||||
{
|
||||
STATE_TARGET (sd) = xstrdup (arg);
|
||||
break;
|
||||
}
|
||||
|
||||
case OPTION_HELP:
|
||||
sim_print_help (sd, is_command);
|
||||
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;
|
||||
}
|
||||
|
||||
/* Add the standard option list to the simulator. */
|
||||
|
||||
SIM_RC
|
||||
standard_install (SIM_DESC sd)
|
||||
{
|
||||
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
|
||||
if (sim_add_option_table (sd, NULL, 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 c, 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. */
|
||||
int *orig_val;
|
||||
struct option *lp, *long_options;
|
||||
const struct option_list *ol;
|
||||
const OPTION *opt;
|
||||
OPTION_HANDLER **handlers;
|
||||
sim_cpu **opt_cpu;
|
||||
|
||||
/* 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; OPTION_VALID_P (opt); ++opt)
|
||||
++num_opts;
|
||||
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
|
||||
for (ol = CPU_OPTIONS (STATE_CPU (sd, i)); ol != NULL; ol = ol->next)
|
||||
for (opt = ol->options; OPTION_VALID_P (opt); ++opt)
|
||||
++num_opts;
|
||||
|
||||
/* Initialize duplicate argument checker. */
|
||||
(void) dup_arg_p (NULL);
|
||||
|
||||
/* Build the option table for getopt. */
|
||||
|
||||
long_options = NZALLOC (struct option, num_opts + 1);
|
||||
lp = long_options;
|
||||
short_options = NZALLOC (char, num_opts * 3 + 1);
|
||||
p = short_options;
|
||||
handlers = NZALLOC (OPTION_HANDLER *, OPTION_START + num_opts);
|
||||
orig_val = NZALLOC (int, OPTION_START + num_opts);
|
||||
opt_cpu = NZALLOC (sim_cpu *, OPTION_START + num_opts);
|
||||
|
||||
/* Set '+' as first char so argument permutation isn't done. This
|
||||
is done to stop getopt_long returning options that appear after
|
||||
the target program. Such options should be passed unchanged into
|
||||
the program image. */
|
||||
*p++ = '+';
|
||||
|
||||
for (i = OPTION_START, ol = STATE_OPTIONS (sd); ol != NULL; ol = ol->next)
|
||||
for (opt = ol->options; OPTION_VALID_P (opt); ++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++ = ':'; }
|
||||
handlers[(unsigned char) opt->shortopt] = opt->handler;
|
||||
if (opt->opt.val != 0)
|
||||
orig_val[(unsigned char) opt->shortopt] = opt->opt.val;
|
||||
else
|
||||
orig_val[(unsigned char) opt->shortopt] = opt->shortopt;
|
||||
}
|
||||
if (opt->opt.name != NULL)
|
||||
{
|
||||
*lp = opt->opt;
|
||||
/* Dynamically assign `val' numbers for long options. */
|
||||
lp->val = i++;
|
||||
handlers[lp->val] = opt->handler;
|
||||
orig_val[lp->val] = opt->opt.val;
|
||||
opt_cpu[lp->val] = NULL;
|
||||
++lp;
|
||||
}
|
||||
}
|
||||
|
||||
for (c = 0; c < MAX_NR_PROCESSORS; ++c)
|
||||
{
|
||||
sim_cpu *cpu = STATE_CPU (sd, c);
|
||||
for (ol = CPU_OPTIONS (cpu); ol != NULL; ol = ol->next)
|
||||
for (opt = ol->options; OPTION_VALID_P (opt); ++opt)
|
||||
{
|
||||
#if 0 /* Each option is prepended with --<cpuname>- so this greatly cuts down
|
||||
on the need for dup_arg_p checking. Maybe in the future it'll be
|
||||
needed so this is just commented out, and not deleted. */
|
||||
if (dup_arg_p (opt->opt.name))
|
||||
continue;
|
||||
#endif
|
||||
/* Don't allow short versions of cpu specific options for now. */
|
||||
if (opt->shortopt != 0)
|
||||
{
|
||||
sim_io_eprintf (sd, "internal error, short cpu specific option");
|
||||
return SIM_RC_FAIL;
|
||||
}
|
||||
if (opt->opt.name != NULL)
|
||||
{
|
||||
char *name;
|
||||
*lp = opt->opt;
|
||||
/* Prepend --<cpuname>- to the option. */
|
||||
asprintf (&name, "%s-%s", CPU_NAME (cpu), lp->name);
|
||||
lp->name = name;
|
||||
/* Dynamically assign `val' numbers for long options. */
|
||||
lp->val = i++;
|
||||
handlers[lp->val] = opt->handler;
|
||||
orig_val[lp->val] = opt->opt.val;
|
||||
opt_cpu[lp->val] = cpu;
|
||||
++lp;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Terminate the short and long option lists. */
|
||||
*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) = dupargv (argv + optind);
|
||||
break;
|
||||
}
|
||||
if (optc == '?')
|
||||
return SIM_RC_FAIL;
|
||||
|
||||
if ((*handlers[optc]) (sd, opt_cpu[optc], orig_val[optc], optarg, 0/*!is_command*/) == SIM_RC_FAIL)
|
||||
return SIM_RC_FAIL;
|
||||
}
|
||||
|
||||
return SIM_RC_OK;
|
||||
}
|
||||
|
||||
/* Utility of sim_print_help to print a list of option tables. */
|
||||
|
||||
static void
|
||||
print_help (SIM_DESC sd, sim_cpu *cpu, const struct option_list *ol, int is_command)
|
||||
{
|
||||
const OPTION *opt;
|
||||
|
||||
for ( ; ol != NULL; ol = ol->next)
|
||||
for (opt = ol->options; OPTION_VALID_P (opt); ++opt)
|
||||
{
|
||||
const int indent = 30;
|
||||
int comma, len;
|
||||
const OPTION *o;
|
||||
|
||||
if (dup_arg_p (opt->opt.name))
|
||||
continue;
|
||||
|
||||
if (opt->doc == NULL)
|
||||
continue;
|
||||
|
||||
if (opt->doc_name != NULL && opt->doc_name [0] == '\0')
|
||||
continue;
|
||||
|
||||
sim_io_printf (sd, " ");
|
||||
|
||||
comma = 0;
|
||||
len = 2;
|
||||
|
||||
/* list any short options (aliases) for the current OPT */
|
||||
if (!is_command)
|
||||
{
|
||||
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, "[%s]", o->arg);
|
||||
len += 1 + strlen (o->arg) + 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
sim_io_printf (sd, " %s", o->arg);
|
||||
len += 1 + strlen (o->arg);
|
||||
}
|
||||
}
|
||||
comma = 1;
|
||||
}
|
||||
++o;
|
||||
}
|
||||
while (OPTION_VALID_P (o) && o->doc == NULL);
|
||||
}
|
||||
|
||||
/* list any long options (aliases) for the current OPT */
|
||||
o = opt;
|
||||
do
|
||||
{
|
||||
const char *name;
|
||||
const char *cpu_prefix = cpu ? CPU_NAME (cpu) : NULL;
|
||||
if (o->doc_name != NULL)
|
||||
name = o->doc_name;
|
||||
else
|
||||
name = o->opt.name;
|
||||
if (name != NULL)
|
||||
{
|
||||
sim_io_printf (sd, "%s%s%s%s%s",
|
||||
comma ? ", " : "",
|
||||
is_command ? "" : "--",
|
||||
cpu ? cpu_prefix : "",
|
||||
cpu ? "-" : "",
|
||||
name);
|
||||
len += ((comma ? 2 : 0)
|
||||
+ (is_command ? 0 : 2)
|
||||
+ strlen (name));
|
||||
if (o->arg != NULL)
|
||||
{
|
||||
if (o->opt.has_arg == optional_argument)
|
||||
{
|
||||
sim_io_printf (sd, " [%s]", o->arg);
|
||||
len += 2 + strlen (o->arg) + 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
sim_io_printf (sd, " %s", o->arg);
|
||||
len += 1 + strlen (o->arg);
|
||||
}
|
||||
}
|
||||
comma = 1;
|
||||
}
|
||||
++o;
|
||||
}
|
||||
while (OPTION_VALID_P (o) && o->doc == NULL);
|
||||
|
||||
if (len >= indent)
|
||||
{
|
||||
sim_io_printf (sd, "\n%*s", indent, "");
|
||||
}
|
||||
else
|
||||
sim_io_printf (sd, "%*s", indent - len, "");
|
||||
|
||||
/* print the description, word wrap long lines */
|
||||
{
|
||||
const char *chp = opt->doc;
|
||||
unsigned doc_width = 80 - indent;
|
||||
while (strlen (chp) >= doc_width) /* some slack */
|
||||
{
|
||||
const char *end = chp + doc_width - 1;
|
||||
while (end > chp && !isspace (*end))
|
||||
end --;
|
||||
if (end == chp)
|
||||
end = chp + doc_width - 1;
|
||||
sim_io_printf (sd, "%.*s\n%*s", end - chp, chp, indent, "");
|
||||
chp = end;
|
||||
while (isspace (*chp) && *chp != '\0')
|
||||
chp++;
|
||||
}
|
||||
sim_io_printf (sd, "%s\n", chp);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Print help messages for the options. */
|
||||
|
||||
void
|
||||
sim_print_help (sd, is_command)
|
||||
SIM_DESC sd;
|
||||
int is_command;
|
||||
{
|
||||
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);
|
||||
|
||||
if (STATE_OPEN_KIND (sd) == SIM_OPEN_STANDALONE)
|
||||
sim_io_printf (sd, "Options:\n");
|
||||
else
|
||||
sim_io_printf (sd, "Commands:\n");
|
||||
|
||||
print_help (sd, NULL, STATE_OPTIONS (sd), is_command);
|
||||
sim_io_printf (sd, "\n");
|
||||
|
||||
/* Print cpu-specific options. */
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
|
||||
{
|
||||
sim_cpu *cpu = STATE_CPU (sd, i);
|
||||
if (CPU_OPTIONS (cpu) == NULL)
|
||||
continue;
|
||||
sim_io_printf (sd, "CPU %s specific options:\n", CPU_NAME (cpu));
|
||||
print_help (sd, cpu, CPU_OPTIONS (cpu), is_command);
|
||||
sim_io_printf (sd, "\n");
|
||||
}
|
||||
}
|
||||
|
||||
sim_io_printf (sd, "Note: Depending on the simulator configuration some %ss\n",
|
||||
STATE_OPEN_KIND (sd) == SIM_OPEN_STANDALONE ? "option" : "command");
|
||||
sim_io_printf (sd, " may not be applicable\n");
|
||||
|
||||
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");
|
||||
}
|
||||
}
|
||||
|
||||
/* Utility of sim_args_command to find the closest match for a command.
|
||||
Commands that have "-" in them can be specified as separate words.
|
||||
e.g. sim memory-region 0x800000,0x4000
|
||||
or sim memory region 0x800000,0x4000
|
||||
If CPU is non-null, use its option table list, otherwise use the main one.
|
||||
*PARGI is where to start looking in ARGV. It is updated to point past
|
||||
the found option. */
|
||||
|
||||
static const OPTION *
|
||||
find_match (SIM_DESC sd, sim_cpu *cpu, char *argv[], int *pargi)
|
||||
{
|
||||
const struct option_list *ol;
|
||||
const OPTION *opt;
|
||||
/* most recent option match */
|
||||
const OPTION *matching_opt = NULL;
|
||||
int matching_argi = -1;
|
||||
|
||||
if (cpu)
|
||||
ol = CPU_OPTIONS (cpu);
|
||||
else
|
||||
ol = STATE_OPTIONS (sd);
|
||||
|
||||
/* Skip passed elements specified by *PARGI. */
|
||||
argv += *pargi;
|
||||
|
||||
for ( ; ol != NULL; ol = ol->next)
|
||||
for (opt = ol->options; OPTION_VALID_P (opt); ++opt)
|
||||
{
|
||||
int argi = 0;
|
||||
const char *name = opt->opt.name;
|
||||
if (name == NULL)
|
||||
continue;
|
||||
while (argv [argi] != NULL
|
||||
&& strncmp (name, argv [argi], strlen (argv [argi])) == 0)
|
||||
{
|
||||
name = &name [strlen (argv[argi])];
|
||||
if (name [0] == '-')
|
||||
{
|
||||
/* leading match ...<a-b-c>-d-e-f - continue search */
|
||||
name ++; /* skip `-' */
|
||||
argi ++;
|
||||
continue;
|
||||
}
|
||||
else if (name [0] == '\0')
|
||||
{
|
||||
/* exact match ...<a-b-c-d-e-f> - better than before? */
|
||||
if (argi > matching_argi)
|
||||
{
|
||||
matching_argi = argi;
|
||||
matching_opt = opt;
|
||||
}
|
||||
break;
|
||||
}
|
||||
else
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
*pargi = matching_argi;
|
||||
return matching_opt;
|
||||
}
|
||||
|
||||
SIM_RC
|
||||
sim_args_command (SIM_DESC sd, char *cmd)
|
||||
{
|
||||
/* something to do? */
|
||||
if (cmd == NULL)
|
||||
return SIM_RC_OK; /* FIXME - perhaphs help would be better */
|
||||
|
||||
if (cmd [0] == '-')
|
||||
{
|
||||
/* user specified -<opt> ... form? */
|
||||
char **argv = buildargv (cmd);
|
||||
SIM_RC rc = sim_parse_args (sd, argv);
|
||||
freeargv (argv);
|
||||
return rc;
|
||||
}
|
||||
else
|
||||
{
|
||||
char **argv = buildargv (cmd);
|
||||
const OPTION *matching_opt = NULL;
|
||||
int matching_argi;
|
||||
sim_cpu *cpu;
|
||||
|
||||
if (argv [0] == NULL)
|
||||
return SIM_RC_OK; /* FIXME - perhaphs help would be better */
|
||||
|
||||
/* First check for a cpu selector. */
|
||||
{
|
||||
char *cpu_name = xstrdup (argv[0]);
|
||||
char *hyphen = strchr (cpu_name, '-');
|
||||
if (hyphen)
|
||||
*hyphen = 0;
|
||||
cpu = sim_cpu_lookup (sd, cpu_name);
|
||||
if (cpu)
|
||||
{
|
||||
/* If <cpuname>-<command>, point argv[0] at <command>. */
|
||||
if (hyphen)
|
||||
{
|
||||
matching_argi = 0;
|
||||
argv[0] += hyphen - cpu_name + 1;
|
||||
}
|
||||
else
|
||||
matching_argi = 1;
|
||||
matching_opt = find_match (sd, cpu, argv, &matching_argi);
|
||||
/* If hyphen found restore argv[0]. */
|
||||
if (hyphen)
|
||||
argv[0] -= hyphen - cpu_name + 1;
|
||||
}
|
||||
free (cpu_name);
|
||||
}
|
||||
|
||||
/* If that failed, try the main table. */
|
||||
if (matching_opt == NULL)
|
||||
{
|
||||
matching_argi = 0;
|
||||
matching_opt = find_match (sd, NULL, argv, &matching_argi);
|
||||
}
|
||||
|
||||
if (matching_opt != NULL)
|
||||
{
|
||||
switch (matching_opt->opt.has_arg)
|
||||
{
|
||||
case no_argument:
|
||||
if (argv [matching_argi + 1] == NULL)
|
||||
matching_opt->handler (sd, cpu, matching_opt->opt.val,
|
||||
NULL, 1/*is_command*/);
|
||||
else
|
||||
sim_io_eprintf (sd, "Command `%s' takes no arguments\n",
|
||||
matching_opt->opt.name);
|
||||
break;
|
||||
case optional_argument:
|
||||
if (argv [matching_argi + 1] == NULL)
|
||||
matching_opt->handler (sd, cpu, matching_opt->opt.val,
|
||||
NULL, 1/*is_command*/);
|
||||
else if (argv [matching_argi + 2] == NULL)
|
||||
matching_opt->handler (sd, cpu, matching_opt->opt.val,
|
||||
argv [matching_argi + 1], 1/*is_command*/);
|
||||
else
|
||||
sim_io_eprintf (sd, "Command `%s' requires no more than one argument\n",
|
||||
matching_opt->opt.name);
|
||||
break;
|
||||
case required_argument:
|
||||
if (argv [matching_argi + 1] == NULL)
|
||||
sim_io_eprintf (sd, "Command `%s' requires an argument\n",
|
||||
matching_opt->opt.name);
|
||||
else if (argv [matching_argi + 2] == NULL)
|
||||
matching_opt->handler (sd, cpu, matching_opt->opt.val,
|
||||
argv [matching_argi + 1], 1/*is_command*/);
|
||||
else
|
||||
sim_io_eprintf (sd, "Command `%s' requires only one argument\n",
|
||||
matching_opt->opt.name);
|
||||
}
|
||||
freeargv (argv);
|
||||
return SIM_RC_OK;
|
||||
}
|
||||
|
||||
freeargv (argv);
|
||||
}
|
||||
|
||||
/* didn't find anything that remotly matched */
|
||||
return SIM_RC_FAIL;
|
||||
}
|
||||
Reference in New Issue
Block a user