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- /* 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 "psim.h"
- #include "options.h"
- #include "device.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
-
- extern char **environ;
-
- static psim *simulation;
-
-
- void
- printf_filtered(const char *msg, ...)
- {
- va_list ap;
- va_start(ap, msg);
- vprintf(msg, ap);
- va_end(ap);
- }
-
- void
- flush_stdoutput(void)
- {
- fflush (stdout);
- }
-
- void
- error (char *msg, ...)
- {
- va_list ap;
- va_start(ap, msg);
- vprintf(msg, ap);
- va_end(ap);
-
- /* any final clean up */
- if (ppc_trace[trace_print_info])
- psim_print_info (simulation, ppc_trace[trace_print_info]);
-
- exit (1);
- }
-
- 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);
- }
-
- 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)
- 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);
-
- psim_run(simulation);
-
- /* 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;
- }
- }
-