[deliverable/binutils-gdb.git] / sim / common / run.c

/* run front end support for all the simulators.
   Copyright (C) 1992, 93-96, 1997 Free Software Foundation, Inc.

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.  */

/* Steve Chamberlain sac@cygnus.com,
   and others at Cygnus.  */

#include "config.h"
#include "tconfig.h"

#include <signal.h>
#include <stdio.h>
#ifdef __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif

#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif

#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif

#include "libiberty.h"
#include "bfd.h"
#include "callback.h"
#include "remote-sim.h"
#include "ansidecl.h"

#include "../libiberty/alloca-conf.h"

static void usage PARAMS ((void));
extern int optind;
extern char *optarg;

extern host_callback default_callback;

static char *myname;

extern int getopt ();

#ifdef NEED_UI_LOOP_HOOK
/* Gdb foolery. This is only needed for gdb using a gui. */
int (*ui_loop_hook) PARAMS ((int signo));
#endif

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;
{
  RETSIGTYPE (*prev_sigint) ();
  bfd *abfd;
  int i;
  int verbose = 0;
  int trace = 0;
#ifdef SIM_HAVE_ENVIRONMENT
  int operating_p = 0;
#endif
  char *name;
  static char *no_args[4];
  char **sim_argv = &no_args[0];
  char **prog_args;
  enum sim_stop reason;
  int sigrc;

  myname = av[0] + strlen (av[0]);
  while (myname > av[0] && myname[-1] != '/')
    --myname;

  /* 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);

  /* 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:op:s:htv")) != EOF) 
#else
  while ((i = getopt (ac, av, "a:c:m:op:s:tv")) != EOF) 
#endif
    switch (i)
      {
      case 'a':
	/* FIXME: Temporary hack.  */
	{
	  int len = strlen (av[0]) + strlen (optarg);
	  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;
#ifdef SIM_HAVE_SIMCACHE
      case 'c':
	sim_set_simcache_size (atoi (optarg));
	break;
#endif
      case 'm':
	/* 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 SIM_HAVE_ENVIRONMENT
#ifdef SIM_HAVE_PROFILE
      case 'p':
	sim_set_profile (atoi (optarg));
	break;
      case 's':
	sim_set_profile_size (atoi (optarg));
	break;
#endif
      case 't':
	trace = 1;
	break;
      case 'v':
	/* Things that are printed with -v are the kinds of things that
	   gcc -v prints.  This is not meant to include detailed tracing
	   or debugging information, just summaries.  */
	verbose = 1;
	/* 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 ();
      }

  ac -= optind;
  av += optind;
  if (ac <= 0)
    usage ();

  name = *av;
  prog_args = av;

  if (verbose)
    {
      printf ("%s %s\n", myname, name);
    }

  abfd = bfd_openr (name, 0);
  if (!abfd) 
    {
      fprintf (stderr, "%s: can't open %s: %s\n", 
	       myname, name, bfd_errmsg (bfd_get_error ()));
      exit (1);
    }

  if (!bfd_check_format (abfd, bfd_object))
    {
      fprintf (stderr, "%s: can't load %s: %s\n",
	       myname, name, bfd_errmsg (bfd_get_error ()));
      exit (1);
    }

#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_OPEN_STANDALONE, &default_callback, abfd, sim_argv);
  if (sd == 0)
    exit (1);

  if (sim_load (sd, name, abfd, 0) == SIM_RC_FAIL)
    exit (1);

  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
    {
      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_close (sd, 0);

  /* If reason is sim_exited, then sigrc holds the exit code which we want
     to return.  If reason is sim_stopped or sim_signalled, then sigrc holds
     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);
      break;

    case sim_exited:
      break;

    case sim_running:
    case sim_polling: /* these indicate a serious problem */
      abort ();
      break;

    }
#endif

  return sigrc;
}

static void
usage ()
{
  fprintf (stderr, "Usage: %s [options] program [program args]\n", myname);
  fprintf (stderr, "Options:\n");
  fprintf (stderr, "-a args         Pass `args' to simulator.\n");
#ifdef SIM_HAVE_SIMCACHE
  fprintf (stderr, "-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");
#endif
  fprintf (stderr, "-m size         Set memory size of simulator, in bytes.\n");
#ifdef SIM_HAVE_ENVIRONMENT
  fprintf (stderr, "-o              Select operating (kernel) environment.\n");
#endif
#ifdef SIM_HAVE_PROFILE
  fprintf (stderr, "-p freq         Set profiling frequency.\n");
  fprintf (stderr, "-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);
}
Commit	Line	Data
c906108c SS	1	/* run front end support for all the simulators.
	2	Copyright (C) 1992, 93-96, 1997 Free Software Foundation, Inc.
	3
	4	This program is free software; you can redistribute it and/or modify
	5	it under the terms of the GNU General Public License as published by
	6	the Free Software Foundation; either version 2, or (at your option)
	7	any later version.
	8
	9	This program is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	GNU General Public License for more details.
	13
	14	You should have received a copy of the GNU General Public License along
	15	with this program; if not, write to the Free Software Foundation, Inc.,
	16	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
	17
	18	/* Steve Chamberlain sac@cygnus.com,
	19	and others at Cygnus. */
	20
	21	#include "config.h"
	22	#include "tconfig.h"
	23
	24	#include <signal.h>
	25	#include <stdio.h>
	26	#ifdef __STDC__
	27	#include <stdarg.h>
	28	#else
	29	#include <varargs.h>
	30	#endif
	31
	32	#ifdef HAVE_STDLIB_H
	33	#include <stdlib.h>
	34	#endif
	35
	36	#ifdef HAVE_STRING_H
	37	#include <string.h>
	38	#else
	39	#ifdef HAVE_STRINGS_H
	40	#include <strings.h>
	41	#endif
	42	#endif
	43
	44	#include "libiberty.h"
	45	#include "bfd.h"
	46	#include "callback.h"
	47	#include "remote-sim.h"
6d358e86	48	#include "ansidecl.h"
c906108c SS	49
	50	#include "../libiberty/alloca-conf.h"
	51
	52	static void usage PARAMS ((void));
	53	extern int optind;
	54	extern char *optarg;
	55
	56	extern host_callback default_callback;
	57
	58	static char *myname;
	59
c906108c SS	60	extern int getopt ();
c906108c SS	61
7a292a7a SS	62	#ifdef NEED_UI_LOOP_HOOK
	63	/* Gdb foolery. This is only needed for gdb using a gui. */
	64	int (*ui_loop_hook) PARAMS ((int signo));
	65	#endif
	66
c906108c SS	67	static SIM_DESC sd;
	68
	69	static RETSIGTYPE
6d358e86	70	cntrl_c (int sig ATTRIBUTE_UNUSED)
c906108c SS	71	{
	72	if (! sim_stop (sd))
	73	{
	74	fprintf (stderr, "Quit!\n");
	75	exit (1);
	76	}
	77	}
	78
	79	int
	80	main (ac, av)
	81	int ac;
	82	char **av;
	83	{
	84	RETSIGTYPE (*prev_sigint) ();
	85	bfd *abfd;
	86	int i;
	87	int verbose = 0;
	88	int trace = 0;
baa7ae6f AC	89	#ifdef SIM_HAVE_ENVIRONMENT
	90	int operating_p = 0;
	91	#endif
c906108c SS	92	char *name;
	93	static char *no_args[4];
	94	char **sim_argv = &no_args[0];
	95	char **prog_args;
	96	enum sim_stop reason;
	97	int sigrc;
	98
	99	myname = av[0] + strlen (av[0]);
	100	while (myname > av[0] && myname[-1] != '/')
	101	--myname;
	102
	103	/* The first element of sim_open's argv is the program name. */
	104	no_args[0] = av[0];
	105	#ifdef SIM_HAVE_BIENDIAN
	106	no_args[1] = "-E";
	107	no_args[2] = "set-later";
	108	#endif
	109
	110	/* FIXME: This is currently being migrated into sim_open.
	111	Simulators that use functions such as sim_size() still require
	112	this. */
	113	default_callback.init (&default_callback);
	114	sim_set_callbacks (&default_callback);
	115
	116	/* FIXME: This is currently being rewritten to have each simulator
	117	do all argv processing. */
	118
	119	#ifdef SIM_H8300 /* FIXME: quick hack */
baa7ae6f	120	while ((i = getopt (ac, av, "a:c:m:op:s:htv")) != EOF)
c906108c	121	#else
baa7ae6f	122	while ((i = getopt (ac, av, "a:c:m:op:s:tv")) != EOF)
c906108c SS	123	#endif
	124	switch (i)
	125	{
	126	case 'a':
	127	/* FIXME: Temporary hack. */
	128	{
	129	int len = strlen (av[0]) + strlen (optarg);
	130	char argbuf = (char ) alloca (len + 2 + 50);
	131	sprintf (argbuf, "%s %s", av[0], optarg);
	132	#ifdef SIM_HAVE_BIENDIAN
	133	/* The desired endianness must be passed to sim_open.
	134	The value for "set-later" is set when we know what it is.
	135	-E support isn't yet part of the published interface. */
	136	strcat (argbuf, " -E set-later");
	137	#endif
	138	sim_argv = buildargv (argbuf);
	139	}
	140	break;
	141	#ifdef SIM_HAVE_SIMCACHE
	142	case 'c':
	143	sim_set_simcache_size (atoi (optarg));
	144	break;
	145	#endif
	146	case 'm':
	147	/* FIXME: Rename to sim_set_mem_size. */
	148	sim_size (atoi (optarg));
	149	break;
baa7ae6f AC	150	#ifdef SIM_HAVE_ENVIRONMENT
	151	case 'o':
	152	/* Operating enironment where any signals are delivered to the
	153	target. */
	154	operating_p = 1;
	155	break;
	156	#endif SIM_HAVE_ENVIRONMENT
c906108c SS	157	#ifdef SIM_HAVE_PROFILE
	158	case 'p':
	159	sim_set_profile (atoi (optarg));
	160	break;
	161	case 's':
	162	sim_set_profile_size (atoi (optarg));
	163	break;
	164	#endif
	165	case 't':
	166	trace = 1;
c906108c SS	167	break;
	168	case 'v':
	169	/* Things that are printed with -v are the kinds of things that
	170	gcc -v prints. This is not meant to include detailed tracing
	171	or debugging information, just summaries. */
	172	verbose = 1;
	173	/* sim_set_verbose (1); */
	174	break;
	175	/* FIXME: Quick hack, to be replaced by more general facility. */
	176	#ifdef SIM_H8300
	177	case 'h':
	178	set_h8300h (1);
	179	break;
	180	#endif
	181	default:
	182	usage ();
	183	}
	184
	185	ac -= optind;
	186	av += optind;
	187	if (ac <= 0)
	188	usage ();
	189
	190	name = *av;
	191	prog_args = av;
	192
	193	if (verbose)
	194	{
	195	printf ("%s %s\n", myname, name);
	196	}
	197
	198	abfd = bfd_openr (name, 0);
	199	if (!abfd)
	200	{
	201	fprintf (stderr, "%s: can't open %s: %s\n",
	202	myname, name, bfd_errmsg (bfd_get_error ()));
	203	exit (1);
	204	}
	205
	206	if (!bfd_check_format (abfd, bfd_object))
	207	{
	208	fprintf (stderr, "%s: can't load %s: %s\n",
	209	myname, name, bfd_errmsg (bfd_get_error ()));
	210	exit (1);
	211	}
	212
	213	#ifdef SIM_HAVE_BIENDIAN
	214	/* The endianness must be passed to sim_open because one may wish to
	215	examine/set registers before calling sim_load [which is the other
	216	place where one can determine endianness]. We previously passed the
	217	endianness via global `target_byte_order' but that's not a clean
	218	interface. */
	219	for (i = 1; sim_argv[i + 1] != NULL; ++i)
	220	continue;
	221	if (bfd_big_endian (abfd))
	222	sim_argv[i] = "big";
	223	else
	224	sim_argv[i] = "little";
	225	#endif
	226
	227	/* Ensure that any run-time initialisation that needs to be
	228	performed by the simulator can occur. */
	229	sd = sim_open (SIM_OPEN_STANDALONE, &default_callback, abfd, sim_argv);
	230	if (sd == 0)
231	exit (1);
232
233	if (sim_load (sd, name, abfd, 0) == SIM_RC_FAIL)
234	exit (1);
235
236	if (sim_create_inferior (sd, abfd, prog_args, NULL) == SIM_RC_FAIL)
237	exit (1);
238
baa7ae6f AC	239	#ifdef SIM_HAVE_ENVIRONMENT
	240	/* NOTE: An old simulator supporting the operating environment MUST
	241	provide sim_set_trace() and not sim_trace(). That way
	242	sim_stop_reason() can be used to determine any stop reason. */
	243	if (trace)
	244	sim_set_trace ();
781c552e	245	sigrc = 0;
baa7ae6f AC	246	do
	247	{
	248	prev_sigint = signal (SIGINT, cntrl_c);
	249	sim_resume (sd, 0, sigrc);
	250	signal (SIGINT, prev_sigint);
	251	sim_stop_reason (sd, &reason, &sigrc);
	252	}
	253	while (operating_p && reason == sim_stopped && sigrc != SIGINT);
	254	#else
c906108c SS	255	if (trace)
	256	{
	257	int done = 0;
7fc5b5ad	258	prev_sigint = signal (SIGINT, cntrl_c);
c906108c SS	259	while (!done)
	260	{
	261	done = sim_trace (sd);
	262	}
7fc5b5ad	263	signal (SIGINT, prev_sigint);
baa7ae6f	264	sim_stop_reason (sd, &reason, &sigrc);
c906108c SS	265	}
	266	else
	267	{
baa7ae6f	268	prev_sigint = signal (SIGINT, cntrl_c);
781c552e	269	sigrc = 0;
baa7ae6f AC	270	sim_resume (sd, 0, sigrc);
	271	signal (SIGINT, prev_sigint);
	272	sim_stop_reason (sd, &reason, &sigrc);
c906108c	273	}
baa7ae6f	274	#endif
c906108c SS	275
	276	if (verbose)
	277	sim_info (sd, 0);
c906108c SS	278	sim_close (sd, 0);
	279
	280	/* If reason is sim_exited, then sigrc holds the exit code which we want
	281	to return. If reason is sim_stopped or sim_signalled, then sigrc holds
	282	the signal that the simulator received; we want to return that to
	283	indicate failure. */
	284
	285	#ifdef SIM_H8300 /* FIXME: Ugh. grep for SLEEP in compile.c */
	286	if (sigrc == SIGILL)
	287	abort ();
	288	sigrc = 0;
	289	#else
	290	/* Why did we stop? */
	291	switch (reason)
	292	{
	293	case sim_signalled:
	294	case sim_stopped:
	295	if (sigrc != 0)
	296	fprintf (stderr, "program stopped with signal %d.\n", sigrc);
	297	break;
	298
	299	case sim_exited:
	300	break;
	301
	302	case sim_running:
	303	case sim_polling: /* these indicate a serious problem */
	304	abort ();
	305	break;
	306
	307	}
	308	#endif
	309
	310	return sigrc;
	311	}
	312
	313	static void
	314	usage ()
	315	{
	316	fprintf (stderr, "Usage: %s [options] program [program args]\n", myname);
	317	fprintf (stderr, "Options:\n");
	318	fprintf (stderr, "-a args Pass `args' to simulator.\n");
	319	#ifdef SIM_HAVE_SIMCACHE
	320	fprintf (stderr, "-c size Set simulator cache size to `size'.\n");
	321	#endif
	322	#ifdef SIM_H8300
	323	fprintf (stderr, "-h Executable is for h8/300h or h8/300s.\n");
	324	#endif
	325	fprintf (stderr, "-m size Set memory size of simulator, in bytes.\n");
baa7ae6f AC	326	#ifdef SIM_HAVE_ENVIRONMENT
	327	fprintf (stderr, "-o Select operating (kernel) environment.\n");
	328	#endif
c906108c SS	329	#ifdef SIM_HAVE_PROFILE
	330	fprintf (stderr, "-p freq Set profiling frequency.\n");
	331	fprintf (stderr, "-s size Set profiling size.\n");
	332	#endif
	333	fprintf (stderr, "-t Perform instruction tracing.\n");
	334	fprintf (stderr, " Note: Very few simulators support tracing.\n");
	335	fprintf (stderr, "-v Verbose output.\n");
	336	fprintf (stderr, "\n");
	337	fprintf (stderr, "program args Arguments to pass to simulated program.\n");
	338	fprintf (stderr, " Note: Very few simulators support this.\n");
	339	exit (1);
	340	}