/* run front end support for all the simulators.
- Copyright (C) 1992, 1993 1994, 1995, 1996 Free Software Foundation, Inc.
+ Copyright (C) 1992-2015 Free Software Foundation, Inc.
-GNU CC is free software; you can redistribute it and/or modify
+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.
-GNU CC is distributed in the hope that it will be useful,
+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. */
+along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Steve Chamberlain sac@cygnus.com,
and others at Cygnus. */
-#include "config.h"
-#include "tconfig.h"
+#ifdef HAVE_CONFIG_H
+#include "cconfig.h"
+#endif
#include <signal.h>
#include <stdio.h>
#include "libiberty.h"
#include "bfd.h"
-#include "callback.h"
-#include "remote-sim.h"
+#include "gdb/callback.h"
+#include "gdb/remote-sim.h"
+#include "ansidecl.h"
+#include "run-sim.h"
+#include "version.h"
+
+#ifdef SIM_USE_DEPRECATED_RUN_FRONTEND
+# warning "This sim is using the deprecated run.c; please migrate to nrun.c."
+#else
+# error "Please do not create new sim ports using run.c; use nrun.c instead." \
+ "New submissions using run.c will not be accepted."
+#endif
-static void usage PARAMS ((void));
+static void usage (int help);
+static void print_version (void);
extern int optind;
extern char *optarg;
-bfd *exec_bfd;
-
-int target_byte_order;
-
extern host_callback default_callback;
static char *myname;
+extern int getopt ();
-/* NOTE: sim_size() and sim_trace() are going away */
-extern void sim_size PARAMS ((int i));
-extern int sim_trace PARAMS ((SIM_DESC sd));
+#ifdef NEED_UI_LOOP_HOOK
+/* Gdb foolery. This is only needed for gdb using a gui. */
+int (*deprecated_ui_loop_hook) (int signo);
+#endif
-extern int getopt ();
+static SIM_DESC sd;
+static RETSIGTYPE
+cntrl_c (int sig ATTRIBUTE_UNUSED)
+{
+ if (! sim_stop (sd))
+ {
+ fprintf (stderr, "Quit!\n");
+ exit (1);
+ }
+}
int
-main (ac, av)
- int ac;
- char **av;
+main (int ac, char **av)
{
+ RETSIGTYPE (*prev_sigint) ();
bfd *abfd;
- bfd_vma start_address;
- asection *s;
int i;
int verbose = 0;
int trace = 0;
+#ifdef SIM_HAVE_ENVIRONMENT
+ int operating_p = 0;
+#endif
char *name;
- static char *no_args[2];
+ static char *no_args[4];
char **sim_argv = &no_args[0];
char **prog_args;
enum sim_stop reason;
int sigrc;
- SIM_DESC sd;
myname = av[0] + strlen (av[0]);
while (myname > av[0] && myname[-1] != '/')
/* The first element of sim_open's argv is the program name. */
no_args[0] = av[0];
+#ifdef SIM_HAVE_BIENDIAN
+ no_args[1] = "-E";
+ no_args[2] = "set-later";
+#endif
+
+ /* FIXME: This is currently being migrated into sim_open.
+ Simulators that use functions such as sim_size() still require
+ this. */
+ default_callback.init (&default_callback);
+ sim_set_callbacks (&default_callback);
+
+#ifdef SIM_TARGET_SWITCHES
+ ac = sim_target_parse_command_line (ac, av);
+#endif
+
+ for (i = 1; av[i]; ++i)
+ {
+ if (strcmp (av[i], "--help") == 0)
+ {
+ usage (1);
+ }
+ else if (strcmp (av[i], "--version") == 0)
+ {
+ print_version ();
+ return 0;
+ }
+ }
/* FIXME: This is currently being rewritten to have each simulator
do all argv processing. */
-#ifdef SIM_H8300 /* FIXME: quick hack */
- while ((i = getopt (ac, av, "a:c:m:p:s:htv")) != EOF)
-#else
- while ((i = getopt (ac, av, "a:c:m:p:s:tv")) != EOF)
-#endif
+ while ((i = getopt (ac, av, "a:c:m:op:s:tv")) != EOF)
switch (i)
{
case 'a':
/* FIXME: Temporary hack. */
{
int len = strlen (av[0]) + strlen (optarg);
- char *argbuf = (char *) alloca (len + 2);
+ char *argbuf = (char *) alloca (len + 2 + 50);
sprintf (argbuf, "%s %s", av[0], optarg);
+#ifdef SIM_HAVE_BIENDIAN
+ /* The desired endianness must be passed to sim_open.
+ The value for "set-later" is set when we know what it is.
+ -E support isn't yet part of the published interface. */
+ strcat (argbuf, " -E set-later");
+#endif
sim_argv = buildargv (argbuf);
}
break;
/* FIXME: Rename to sim_set_mem_size. */
sim_size (atoi (optarg));
break;
+#ifdef SIM_HAVE_ENVIRONMENT
+ case 'o':
+ /* Operating enironment where any signals are delivered to the
+ target. */
+ operating_p = 1;
+ break;
+#endif
#ifdef SIM_HAVE_PROFILE
case 'p':
sim_set_profile (atoi (optarg));
#endif
case 't':
trace = 1;
- /* FIXME: need to allow specification of what to trace. */
- /* sim_set_trace (1); */
break;
case 'v':
/* Things that are printed with -v are the kinds of things that
/* sim_set_verbose (1); */
break;
/* FIXME: Quick hack, to be replaced by more general facility. */
-#ifdef SIM_H8300
- case 'h':
- set_h8300h (1);
- break;
-#endif
default:
- usage ();
+ usage (0);
}
ac -= optind;
av += optind;
+ if (ac <= 0)
+ usage (0);
name = *av;
- prog_args = av + 1;
+ prog_args = av;
if (verbose)
{
printf ("%s %s\n", myname, name);
}
- exec_bfd = abfd = bfd_openr (name, 0);
- if (!abfd)
+ abfd = bfd_openr (name, 0);
+ if (!abfd)
{
- fprintf (stderr, "%s: can't open %s: %s\n",
+ fprintf (stderr, "%s: can't open %s: %s\n",
myname, name, bfd_errmsg (bfd_get_error ()));
exit (1);
}
exit (1);
}
- /* This must be set before sim_open is called, because gdb assumes that
- the simulator endianness is known immediately after the sim_open call. */
- target_byte_order = bfd_big_endian (abfd) ? 4321 : 1234;
-
- sim_set_callbacks (NULL, &default_callback);
- default_callback.init (&default_callback);
+#ifdef SIM_HAVE_BIENDIAN
+ /* The endianness must be passed to sim_open because one may wish to
+ examine/set registers before calling sim_load [which is the other
+ place where one can determine endianness]. We previously passed the
+ endianness via global `target_byte_order' but that's not a clean
+ interface. */
+ for (i = 1; sim_argv[i + 1] != NULL; ++i)
+ continue;
+ if (bfd_big_endian (abfd))
+ sim_argv[i] = "big";
+ else
+ sim_argv[i] = "little";
+#endif
/* Ensure that any run-time initialisation that needs to be
- performed by the simulator can occur. */
- sd = sim_open (sim_argv);
+ performed by the simulator can occur. */
+ sd = sim_open (SIM_OPEN_STANDALONE, &default_callback, abfd, sim_argv);
+ if (sd == 0)
+ exit (1);
- for (s = abfd->sections; s; s = s->next)
- {
- if (s->flags & SEC_LOAD)
- {
- unsigned char *buffer = (unsigned char *)malloc ((size_t)(bfd_section_size (abfd, s)));
- if (buffer != NULL)
- {
- bfd_get_section_contents (abfd,
- s,
- buffer,
- 0,
- bfd_section_size (abfd, s));
- sim_write (sd, s->vma, buffer, bfd_section_size (abfd, s));
- /* FIXME: How come we don't free buffer? */
- }
- else
- {
- fprintf (stderr, "%s: failed to allocate section buffer: %s\n",
- myname, bfd_errmsg (bfd_get_error ()));
- exit (1);
- }
- }
- }
+ if (sim_load (sd, name, abfd, 0) == SIM_RC_FAIL)
+ exit (1);
- start_address = bfd_get_start_address (abfd);
- sim_create_inferior (sd, start_address, prog_args, NULL);
+ if (sim_create_inferior (sd, abfd, prog_args, NULL) == SIM_RC_FAIL)
+ exit (1);
+#ifdef SIM_HAVE_ENVIRONMENT
+ /* NOTE: An old simulator supporting the operating environment MUST
+ provide sim_set_trace() and not sim_trace(). That way
+ sim_stop_reason() can be used to determine any stop reason. */
+ if (trace)
+ sim_set_trace ();
+ sigrc = 0;
+ do
+ {
+ prev_sigint = signal (SIGINT, cntrl_c);
+ sim_resume (sd, 0, sigrc);
+ signal (SIGINT, prev_sigint);
+ sim_stop_reason (sd, &reason, &sigrc);
+ }
+ while (operating_p && reason == sim_stopped && sigrc != SIGINT);
+#else
if (trace)
{
int done = 0;
+ prev_sigint = signal (SIGINT, cntrl_c);
while (!done)
{
done = sim_trace (sd);
}
+ signal (SIGINT, prev_sigint);
+ sim_stop_reason (sd, &reason, &sigrc);
}
else
{
- sim_resume (sd, 0, 0);
+ prev_sigint = signal (SIGINT, cntrl_c);
+ sigrc = 0;
+ sim_resume (sd, 0, sigrc);
+ signal (SIGINT, prev_sigint);
+ sim_stop_reason (sd, &reason, &sigrc);
}
+#endif
+
if (verbose)
sim_info (sd, 0);
-
- sim_stop_reason (sd, &reason, &sigrc);
-
sim_close (sd, 0);
/* If reason is sim_exited, then sigrc holds the exit code which we want
the signal that the simulator received; we want to return that to
indicate failure. */
-#ifdef SIM_H8300 /* FIXME: Ugh. grep for SLEEP in compile.c */
- if (sigrc == SIGILL)
- abort ();
- sigrc = 0;
-#else
/* Why did we stop? */
switch (reason)
{
case sim_signalled:
case sim_stopped:
if (sigrc != 0)
- fprintf (stderr, "program stopped with signal %d.\n", sigrc);
+ fprintf (stderr, "program stopped with signal %d.\n", sigrc);
break;
case sim_exited:
break;
+
+ case sim_running:
+ case sim_polling: /* These indicate a serious problem. */
+ abort ();
+ break;
+
}
-#endif
return sigrc;
}
static void
-usage ()
+usage (int help)
{
- fprintf (stderr, "Usage: %s [options] program [program args]\n", myname);
- fprintf (stderr, "Options:\n");
- fprintf (stderr, "-a args Pass `args' to simulator.\n");
+ FILE *stream = help ? stdout : stderr;
+
+ fprintf (stream, "Usage: %s [options] program [program args]\n", myname);
+ fprintf (stream, "Options:\n");
+ fprintf (stream, "-a args Pass `args' to simulator.\n");
#ifdef SIM_HAVE_SIMCACHE
- fprintf (stderr, "-c size Set simulator cache size to `size'.\n");
+ fprintf (stream, "-c size Set simulator cache size to `size'.\n");
#endif
-#ifdef SIM_H8300
- fprintf (stderr, "-h Executable is for h8/300h or h8/300s.\n");
+ fprintf (stream, "-m size Set memory size of simulator, in bytes.\n");
+#ifdef SIM_HAVE_ENVIRONMENT
+ fprintf (stream, "-o Select operating (kernel) environment.\n");
#endif
- fprintf (stderr, "-m size Set memory size of simulator, in bytes.\n");
#ifdef SIM_HAVE_PROFILE
- fprintf (stderr, "-p freq Set profiling frequency.\n");
- fprintf (stderr, "-s size Set profiling size.\n");
+ fprintf (stream, "-p freq Set profiling frequency.\n");
+ fprintf (stream, "-s size Set profiling size.\n");
#endif
- fprintf (stderr, "-t Perform instruction tracing.\n");
- fprintf (stderr, " Note: Very few simulators support tracing.\n");
- fprintf (stderr, "-v Verbose output.\n");
- fprintf (stderr, "\n");
- fprintf (stderr, "program args Arguments to pass to simulated program.\n");
- fprintf (stderr, " Note: Very few simulators support this.\n");
- exit (1);
+ fprintf (stream, "-t Perform instruction tracing.\n");
+ fprintf (stream, " Note: Very few simulators support tracing.\n");
+ fprintf (stream, "-v Verbose output.\n");
+ fprintf (stream, "\n");
+ fprintf (stream, "program args Arguments to pass to simulated program.\n");
+ fprintf (stream, " Note: Very few simulators support this.\n");
+#ifdef SIM_TARGET_SWITCHES
+ fprintf (stream, "\nTarget specific options:\n");
+ sim_target_display_usage (help);
+#endif
+
+ if (help && REPORT_BUGS_TO[0])
+ printf ("Report bugs to %s\n", REPORT_BUGS_TO);
+
+ exit (help ? 0 : 1);
+}
+
+static void
+print_version (void)
+{
+ printf ("GNU simulator %s%s\n", PKGVERSION, version);
}
projects / thirdparty / binutils-gdb.git / blobdiff