/* Simulator option handling.
- Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1996-2013 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 <http://www.gnu.org/licenses/>. */
#include "sim-main.h"
#ifdef HAVE_STRING_H
#endif
#include <ctype.h>
#include "libiberty.h"
-#include "../libiberty/alloca-conf.h"
#include "sim-options.h"
#include "sim-io.h"
#include "sim-assert.h"
This is intended to be called by modules in their `install' handler. */
SIM_RC
-sim_add_option_table (sd, table)
- SIM_DESC sd;
- const OPTION *table;
+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. */
- ol->next = STATE_OPTIONS (sd);
- ol->options = table;
- STATE_OPTIONS (sd) = ol;
+
+ if (cpu)
+ {
+ ol->next = CPU_OPTIONS (cpu);
+ ol->options = table;
+ CPU_OPTIONS (cpu) = ol;
+ }
+ else
+ {
+ ol->next = STATE_OPTIONS (sd);
+ ol->options = table;
+ STATE_OPTIONS (sd) = ol;
+ }
return SIM_RC_OK;
}
If you decide to conditionally compile them out as well, delete this
comment and add a comment saying that that is the rule. */
-#define OPTION_DEBUG_INSN (OPTION_START + 0)
-#define OPTION_DEBUG_FILE (OPTION_START + 1)
-#define OPTION_DO_COMMAND (OPTION_START + 2)
-#define OPTION_ARCHITECTURE (OPTION_START + 3)
-#define OPTION_TARGET (OPTION_START + 4)
+typedef enum {
+ OPTION_DEBUG_INSN = OPTION_START,
+ OPTION_DEBUG_FILE,
+ OPTION_DO_COMMAND,
+ OPTION_ARCHITECTURE,
+ OPTION_TARGET,
+ OPTION_ARCHITECTURE_INFO,
+ OPTION_ENVIRONMENT,
+ OPTION_ALIGNMENT,
+ OPTION_VERBOSE,
+ OPTION_ENDIAN,
+ OPTION_DEBUG,
+#ifdef SIM_HAVE_FLATMEM
+ OPTION_MEM_SIZE,
+#endif
+ OPTION_HELP,
+#ifdef SIM_H8300 /* FIXME: Should be movable to h8300 dir. */
+ OPTION_H8300H,
+ OPTION_H8300S,
+ OPTION_H8300SX,
+#endif
+ OPTION_LOAD_LMA,
+ OPTION_LOAD_VMA,
+ OPTION_SYSROOT
+} STANDARD_OPTIONS;
static const OPTION standard_options[] =
{
- { {"verbose", no_argument, NULL, 'v'},
+ { {"verbose", no_argument, NULL, OPTION_VERBOSE},
'v', NULL, "Verbose output",
- standard_option_handler },
+ standard_option_handler, NULL },
-#if defined (SIM_HAVE_BIENDIAN) /* ??? && WITH_TARGET_BYTE_ORDER == 0 */
- { {"endian", required_argument, NULL, 'E'},
+ { {"endian", required_argument, NULL, OPTION_ENDIAN},
'E', "big|little", "Set endianness",
+ standard_option_handler, NULL },
+
+#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
- { {"debug", no_argument, NULL, 'D'},
+ { {"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},
standard_option_handler },
#ifdef SIM_H8300 /* FIXME: Should be movable to h8300 dir. */
- { {"h8300h", no_argument, NULL, 'h'},
- 'h', NULL, "Indicate the CPU is h8/300h or h8/300s",
+ { {"h8300h", no_argument, NULL, OPTION_H8300H},
+ 'h', NULL, "Indicate the CPU is H8/300H",
+ standard_option_handler },
+ { {"h8300s", no_argument, NULL, OPTION_H8300S},
+ 'S', NULL, "Indicate the CPU is H8S",
+ standard_option_handler },
+ { {"h8300sx", no_argument, NULL, OPTION_H8300SX},
+ 'x', NULL, "Indicate the CPU is H8SX",
standard_option_handler },
#endif
#ifdef SIM_HAVE_FLATMEM
- { {"mem-size", required_argument, NULL, 'm'},
- 'm', "MEMORY SIZE", "Specify memory size",
- standard_option_handler },
+ { {"mem-size", required_argument, NULL, OPTION_MEM_SIZE},
+ 'm', "<size>[in bytes, Kb (k suffix), Mb (m suffix) or Gb (g suffix)]",
+ "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, 'H'},
+ { {"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 }
+#ifdef SIM_HANDLES_LMA
+ { {"load-lma", no_argument, NULL, OPTION_LOAD_LMA},
+ '\0', NULL,
+#if SIM_HANDLES_LMA
+ "Use VMA or LMA addresses when loading image (default LMA)",
+#else
+ "Use VMA or LMA addresses when loading image (default VMA)",
+#endif
+ standard_option_handler, "load-{lma,vma}" },
+ { {"load-vma", no_argument, NULL, OPTION_LOAD_VMA},
+ '\0', NULL, "", standard_option_handler, "" },
+#endif
+
+ { {"sysroot", required_argument, NULL, OPTION_SYSROOT},
+ '\0', "SYSROOT",
+ "Root for system calls with absolute file-names and cwd at start",
+ standard_option_handler, NULL },
+
+ { {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL, NULL }
};
static SIM_RC
-standard_option_handler (sd, opt, arg, is_command)
- SIM_DESC sd;
- int opt;
- char *arg;
- int is_command;
+standard_option_handler (SIM_DESC sd, sim_cpu *cpu, int opt,
+ char *arg, int is_command)
{
int i,n;
- switch (opt)
+ switch ((STANDARD_OPTIONS) opt)
{
- case 'v' :
+ case OPTION_VERBOSE:
STATE_VERBOSE_P (sd) = 1;
break;
-#ifdef SIM_HAVE_BIENDIAN
- case 'E' :
+ case OPTION_ENDIAN:
if (strcmp (arg, "big") == 0)
{
if (WITH_TARGET_BYTE_ORDER == LITTLE_ENDIAN)
return SIM_RC_FAIL;
}
break;
-#endif
- case 'D' :
+ 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))
+ {
+ const 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
break;
#ifdef SIM_H8300 /* FIXME: Can be moved to h8300 dir. */
- case 'h' :
- set_h8300h (1);
+ case OPTION_H8300H:
+ set_h8300h (bfd_mach_h8300h);
+ break;
+ case OPTION_H8300S:
+ set_h8300h (bfd_mach_h8300s);
+ break;
+ case OPTION_H8300SX:
+ set_h8300h (bfd_mach_h8300sx);
break;
#endif
#ifdef SIM_HAVE_FLATMEM
- case 'm':
+ case OPTION_MEM_SIZE:
{
- unsigned long ul = strtol (arg, NULL, 0);
+ char * endp;
+ unsigned long ul = strtol (arg, &endp, 0);
+
+ switch (* endp)
+ {
+ case 'k': case 'K': size <<= 10; break;
+ case 'm': case 'M': size <<= 20; break;
+ case 'g': case 'G': size <<= 30; break;
+ case ' ': case '\0': case '\t': break;
+ default:
+ if (ul > 0)
+ sim_io_eprintf (sd, "Ignoring strange character at end of memory size: %c\n", * endp);
+ break;
+ }
+
/* 16384: some minimal amount */
if (! isdigit (arg[0]) || ul < 16384)
{
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 'H':
+ case OPTION_LOAD_LMA:
+ {
+ STATE_LOAD_AT_LMA_P (sd) = 1;
+ break;
+ }
+
+ case OPTION_LOAD_VMA:
+ {
+ STATE_LOAD_AT_LMA_P (sd) = 0;
+ 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;
+
+ case OPTION_SYSROOT:
+ /* Don't leak memory in the odd event that there's lots of
+ --sysroot=... options. We treat "" specially since this
+ is the statically initialized value and cannot free it. */
+ if (simulator_sysroot[0] != '\0')
+ free (simulator_sysroot);
+ if (arg[0] != '\0')
+ simulator_sysroot = xstrdup (arg);
+ else
+ simulator_sysroot = "";
+ break;
}
return SIM_RC_OK;
standard_install (SIM_DESC sd)
{
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
- if (sim_add_option_table (sd, standard_options) != SIM_RC_OK)
+ if (sim_add_option_table (sd, NULL, standard_options) != SIM_RC_OK)
return SIM_RC_FAIL;
+#ifdef SIM_HANDLES_LMA
+ STATE_LOAD_AT_LMA_P (sd) = SIM_HANDLES_LMA;
+#endif
return SIM_RC_OK;
}
#define ARG_HASH(a) ((256 * (unsigned char) a[0] + (unsigned char) a[1]) % ARG_HASH_SIZE)
static int
-dup_arg_p (arg)
- char *arg;
+dup_arg_p (const char *arg)
{
int hash;
- static char **arg_table = NULL;
+ static const char **arg_table = NULL;
if (arg == NULL)
{
if (arg_table == NULL)
- arg_table = (char **) xmalloc (ARG_HASH_SIZE * sizeof (char *));
+ arg_table = (const char **) xmalloc (ARG_HASH_SIZE * sizeof (char *));
memset (arg_table, 0, ARG_HASH_SIZE * sizeof (char *));
return 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;
+sim_parse_args (SIM_DESC sd, char **argv)
{
- int i, argc, num_opts;
+ 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. */
- unsigned char *orig_val;
+ int *orig_val;
struct option *lp, *long_options;
const struct option_list *ol;
const OPTION *opt;
OPTION_HANDLER **handlers;
+ sim_cpu **opt_cpu;
+ SIM_RC result = SIM_RC_OK;
/* Count the number of arguments. */
for (argc = 0; argv[argc] != NULL; ++argc)
/* 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)
+ 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 = (struct option *) alloca ((num_opts + 1) * sizeof (struct option));
+
+ long_options = NZALLOC (struct option, num_opts + 1);
lp = long_options;
- short_options = (char *) alloca (num_opts * 3 + 1);
+ short_options = NZALLOC (char, 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. */
+ 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++ = '+';
-#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)
+ for (opt = ol->options; OPTION_VALID_P (opt); ++opt)
{
if (dup_arg_p (opt->opt.name))
continue;
*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;
}
- *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;
}
+
+ 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");
+ result = SIM_RC_FAIL;
+ break;
+ }
+ if (opt->opt.name != NULL)
+ {
+ char *name;
+ *lp = opt->opt;
+ /* Prepend --<cpuname>- to the option. */
+ if (asprintf (&name, "%s-%s", CPU_NAME (cpu), lp->name) < 0)
+ {
+ sim_io_eprintf (sd, "internal error, out of memory");
+ result = SIM_RC_FAIL;
+ break;
+ }
+ 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;
if (optc == -1)
{
if (STATE_OPEN_KIND (sd) == SIM_OPEN_STANDALONE)
- STATE_PROG_ARGV (sd) = sim_copy_argv (argv + optind);
+ STATE_PROG_ARGV (sd) = dupargv (argv + optind);
break;
}
if (optc == '?')
- return SIM_RC_FAIL;
+ {
+ result = SIM_RC_FAIL;
+ break;
+ }
- if ((*handlers[optc]) (sd, orig_val[optc], optarg, 0/*!is_command*/) == SIM_RC_FAIL)
- return SIM_RC_FAIL;
+ if ((*handlers[optc]) (sd, opt_cpu[optc], orig_val[optc], optarg, 0/*!is_command*/) == SIM_RC_FAIL)
+ {
+ result = SIM_RC_FAIL;
+ break;
+ }
}
- return SIM_RC_OK;
+ free (long_options);
+ free (short_options);
+ free (handlers);
+ free (opt_cpu);
+ free (orig_val);
+ return result;
}
-/* Print help messages for the options. */
+/* Utility of sim_print_help to print a list of option tables. */
-void
-sim_print_help (sd, is_command)
- SIM_DESC sd;
- int is_command;
+static void
+print_help (SIM_DESC sd, sim_cpu *cpu, const struct option_list *ol, int is_command)
{
- 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);
-
- if (STATE_OPEN_KIND (sd) == SIM_OPEN_STANDALONE)
- sim_io_printf (sd, "Options:\n");
- else
- sim_io_printf (sd, "Commands:\n");
-
- for (ol = STATE_OPTIONS (sd); ol != NULL; ol = ol->next)
- for (opt = ol->options; opt->opt.name != NULL; ++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;
comma = 0;
len = 2;
+ /* list any short options (aliases) for the current OPT */
if (!is_command)
{
o = opt;
}
++o;
}
- while (o->opt.name != NULL && o->doc == NULL);
+ 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",
+ 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)
{
if (o->opt.has_arg == optional_argument)
{
- sim_io_printf (sd, " [%s]", o->arg);
+ sim_io_printf (sd, "[=%s]", o->arg);
len += 2 + strlen (o->arg) + 1;
}
else
}
++o;
}
- while (o->opt.name != NULL && o->doc == NULL);
+ while (OPTION_VALID_P (o) && o->doc == NULL);
- if (len >= 30)
+ if (len >= indent)
{
- sim_io_printf (sd, "\n");
- len = 0;
+ sim_io_printf (sd, "\n%*s", indent, "");
}
+ else
+ sim_io_printf (sd, "%*s", indent - len, "");
- for (; len < 30; len++)
- sim_io_printf (sd, " ");
-
- sim_io_printf (sd, "%s\n", opt->doc);
+ /* 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;
+ /* The cast should be ok - its distances between to
+ points in a string. */
+ sim_io_printf (sd, "%.*s\n%*s", (int) (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 (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");
}
}
+/* 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;
+}
+
+static char **
+complete_option_list (char **ret, size_t *cnt, const struct option_list *ol,
+ char *text, char *word)
+{
+ const OPTION *opt = NULL;
+ int argi;
+ size_t len = strlen (word);
+ for ( ; ol != NULL; ol = ol->next)
+ for (opt = ol->options; OPTION_VALID_P (opt); ++opt)
+ {
+ const char *name = opt->opt.name;
+
+ /* A long option to match against? */
+ if (!name)
+ continue;
+ /* Does this option actually match? */
+ if (strncmp (name, word, len))
+ continue;
+
+ ret = xrealloc (ret, ++*cnt * sizeof (ret[0]));
+ ret[*cnt - 2] = xstrdup (name);
+ }
+
+ return ret;
+}
+
+/* All leading text is stored in @text, while the current word being
+ completed is stored in @word. Trailing text of @word is not. */
+
+char **
+sim_complete_command (SIM_DESC sd, char *text, char *word)
+{
+ char **ret = NULL;
+ size_t cnt = 1;
+ sim_cpu *cpu;
+
+ /* Only complete first word for now. */
+ if (text != word)
+ return ret;
+
+ cpu = STATE_CPU (sd, 0);
+ if (cpu)
+ ret = complete_option_list (ret, &cnt, CPU_OPTIONS (cpu), text, word);
+ ret = complete_option_list (ret, &cnt, STATE_OPTIONS (sd), text, word);
+
+ if (ret)
+ ret[cnt - 1] = NULL;
+ return ret;
+}
SIM_RC
-sim_args_command (sd, cmd)
- SIM_DESC sd;
- char *cmd;
+sim_args_command (SIM_DESC sd, char *cmd)
{
/* something to do? */
if (cmd == NULL)
- return SIM_RC_OK; /* FIXME - perhaphs help would be better */
-
+ return SIM_RC_OK; /* FIXME - perhaps help would be better */
+
if (cmd [0] == '-')
{
/* user specified -<opt> ... form? */
}
else
{
- /* user specified <opt> form? */
- const struct option_list *ol;
- const OPTION *opt;
char **argv = buildargv (cmd);
- /* most recent option match */
const OPTION *matching_opt = NULL;
- int matching_argi = -1;
- if (argv [0] != NULL)
- for (ol = STATE_OPTIONS (sd); ol != NULL; ol = ol->next)
- for (opt = ol->options; opt->opt.name != NULL; ++opt)
- {
- int argi = 0;
- const char *name = opt->opt.name;
- while (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;
- }
- }
+ int matching_argi;
+ sim_cpu *cpu;
+
+ if (argv [0] == NULL)
+ return SIM_RC_OK; /* FIXME - perhaps 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, matching_opt->opt.val,
+ matching_opt->handler (sd, cpu, matching_opt->opt.val,
NULL, 1/*is_command*/);
else
sim_io_eprintf (sd, "Command `%s' takes no arguments\n",
break;
case optional_argument:
if (argv [matching_argi + 1] == NULL)
- matching_opt->handler (sd, matching_opt->opt.val,
+ matching_opt->handler (sd, cpu, matching_opt->opt.val,
NULL, 1/*is_command*/);
else if (argv [matching_argi + 2] == NULL)
- matching_opt->handler (sd, matching_opt->opt.val,
+ 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",
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, matching_opt->opt.val,
+ 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;
}
projects / thirdparty / binutils-gdb.git / blobdiff