Initial creation of sourceware repository

1 files changed, 0 insertions, 312 deletions

diff --git a/sim/ppc/main.c b/sim/ppc/main.c
deleted file mode 100644
index 091486b..0000000
--- a/sim/ppc/main.c
+++ /dev/null
@@ -1,312 +0,0 @@
-/*  This file is part of the program psim.
-
-    Copyright (C) 1994-1996, Andrew Cagney <cagney@highland.com.au>
-
-    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 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.
- 
-    */
-
-
-#include <stdarg.h>
-#include <stdio.h>
-#include <fcntl.h>
-
-#include <signal.h>
-
-#include "psim.h"
-#include "options.h"
-#include "device.h" /* FIXME: psim should provide the interface */
-#include "events.h" /* FIXME: psim should provide the interface */
-
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#ifdef HAVE_STRING_H
-#include <string.h>
-#else
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-#endif
-
-#include <errno.h>
-
-#if !defined(O_NDELAY) || !defined(F_GETFL) || !defined(F_SETFL)
-#undef WITH_STDIO
-#define WITH_STDIO DO_USE_STDIO
-#endif
-
-
-extern char **environ;
-
-static psim *simulation = NULL;
-
-
-void
-sim_io_printf_filtered(const char *msg, ...)
-{
-  va_list ap;
-  va_start(ap, msg);
-  vprintf(msg, ap);
-  va_end(ap);
-}
-
-void
-error (char *msg, ...)
-{
-  va_list ap;
-  va_start(ap, msg);
-  vprintf(msg, ap);
-  printf("\n");
-  va_end(ap);
-
-  /* any final clean up */
-  if (ppc_trace[trace_print_info] && simulation != NULL)
-    psim_print_info (simulation, ppc_trace[trace_print_info]);
-
-  exit (1);
-}
-
-int
-sim_io_write_stdout(const char *buf,
-		    int sizeof_buf)
-{
-  switch (CURRENT_STDIO) {
-  case DO_USE_STDIO:
-    {
-      int i;
-      for (i = 0; i < sizeof_buf; i++) {
-	putchar(buf[i]);
-      }
-      return i;
-    }
-    break;
-  case DONT_USE_STDIO:
-    return write(1, buf, sizeof_buf);
-    break;
-  default:
-    error("sim_io_write_stdout: invalid switch\n");
-  }
-  return 0;
-}
-
-int
-sim_io_write_stderr(const char *buf,
-		    int sizeof_buf)
-{
-  switch (CURRENT_STDIO) {
-  case DO_USE_STDIO:
-    {
-      int i;
-      for (i = 0; i < sizeof_buf; i++) {
-	fputc(buf[i], stderr);
-      }
-      return i;
-    }
-    break;
-  case DONT_USE_STDIO:
-    return write(2, buf, sizeof_buf);
-    break;
-  default:
-    error("sim_io_write_stdout: invalid switch\n");
-  }
-  return 0;
-}
-
-int
-sim_io_read_stdin(char *buf,
-		  int sizeof_buf)
-{
-  switch (CURRENT_STDIO) {
-  case DO_USE_STDIO:
-    if (sizeof_buf > 1) {
-      if (fgets(buf, sizeof_buf, stdin) != NULL)
-	return strlen(buf);
-    }
-    else if (sizeof_buf == 1) {
-      char b[2];
-      if (fgets(b, sizeof(b), stdin) != NULL) {
-	memcpy(buf, b, strlen(b));
-	return strlen(b);
-      }
-    }
-    else if (sizeof_buf == 0)
-      return 0;
-    return sim_io_eof;
-    break;
-  case DONT_USE_STDIO:
-#if defined(O_NDELAY) && defined(F_GETFL) && defined(F_SETFL)
-    {
-      /* check for input */
-      int flags;
-      int status;
-      int nr_read;
-      int result;
-      /* get the old status */
-      flags = fcntl(0, F_GETFL, 0);
-      if (flags == -1) {
-	perror("sim_io_read_stdin");
-	return sim_io_eof;
-      }
-      /* temp, disable blocking IO */
-      status = fcntl(0, F_SETFL, flags | O_NDELAY);
-      if (status == -1) {
-	perror("sim_io_read_stdin");
-	return sim_io_eof;
-      }
-      /* try for input */
-      nr_read = read(0, buf, sizeof_buf);
-      if (nr_read > 0
-	  || (nr_read == 0 && sizeof_buf == 0))
-	result = nr_read;
-      else if (nr_read == 0)
-	result = sim_io_eof;
-      else { /* nr_read < 0 */
-	if (errno == EAGAIN)
-	  result = sim_io_not_ready;
-	else 
-	  result = sim_io_eof;
-      }
-      /* return to regular vewing */
-      status = fcntl(0, F_SETFL, flags);
-      if (status == -1) {
-	perror("sim_io_read_stdin");
-	return sim_io_eof;
-      }
-      return result;
-    }
-    break;
-#endif
-  default:
-    error("sim_io_read_stdin: invalid switch\n");
-    break;
-  }
-  return 0;
-}
-
-void
-sim_io_flush_stdoutput(void)
-{
-  switch (CURRENT_STDIO) {
-  case DO_USE_STDIO:
-    fflush (stdout);
-    break;
-  case DONT_USE_STDIO:
-    break;
-  default:
-    error("sim_io_flush_stdoutput: invalid switch\n");
-    break;
-  }
-}
-
-
-void *
-zalloc(long size)
-{
-  void *memory = malloc(size);
-  if (memory == NULL)
-    error("zmalloc failed\n");
-  memset(memory, 0, size);
-  return memory;
-}
-
-void
-zfree(void *chunk)
-{
-  free(chunk);
-}
-
-/* When a CNTRL-C occures, queue an event to shut down the simulation */
-
-static RETSIGTYPE
-cntrl_c(int sig)
-{
-  psim_stop (simulation);
-}
-
-
-int
-main(int argc, char **argv)
-{
-  const char *name_of_file;
-  char *arg_;
-  psim_status status;
-  device *root = psim_tree();
-
-  /* parse the arguments */
-  argv = psim_options(root, argv + 1);
-  if (argv[0] == NULL) {
-    if (ppc_trace[trace_opts]) {
-      print_options ();
-      return 0;
-    } else {
-      psim_usage(0);
-    }
-  }
-  name_of_file = argv[0];
-
-  if (ppc_trace[trace_opts])
-    print_options ();
-
-  /* create the simulator */
-  simulation = psim_create(name_of_file, root);
-
-  /* fudge the environment so that _=prog-name */
-  arg_ = (char*)zalloc(strlen(argv[0]) + strlen("_=") + 1);
-  strcpy(arg_, "_=");
-  strcat(arg_, argv[0]);
-  putenv(arg_);
-
-  /* initialize it */
-  psim_init(simulation);
-  psim_stack(simulation, argv, environ);
-
-  {
-    RETSIGTYPE (*prev) ();
-    prev = signal(SIGINT, cntrl_c);
-    psim_run(simulation);
-    signal(SIGINT, prev);
-  }
-
-  /* any final clean up */
-  if (ppc_trace[trace_print_info])
-    psim_print_info (simulation, ppc_trace[trace_print_info]);
-
-  /* why did we stop */
-  status = psim_get_status(simulation);
-  switch (status.reason) {
-  case was_continuing:
-    error("psim: continuing while stoped!\n");
-    return 0;
-  case was_trap:
-    error("psim: no trap insn\n");
-    return 0;
-  case was_exited:
-    return status.signal;
-  case was_signalled:
-    printf ("%s: Caught signal %d at address 0x%lx\n",
- 	    name_of_file, (int)status.signal,
- 	    (long)status.program_counter);
-    return status.signal;
-  default:
-    error("unknown halt condition\n");
-    return 0;
-  }
-}