1 /* main.c --- main function for stand-alone RX simulator.
3 Copyright (C) 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
4 Contributed by Red Hat, Inc.
6 This file is part of the GNU simulators.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
47 static int disassemble = 0;
49 /* This must be higher than any other option index. */
52 #define ACT(E,A) (OPT_ACT + SIM_ERR_##E * SIM_ERRACTION_NUM_ACTIONS + SIM_ERRACTION_##A)
54 static struct option sim_options[] =
56 { "end-sim-args", 0, NULL, 'E' },
57 { "exit-null-deref", 0, NULL, ACT(NULL_POINTER_DEREFERENCE,EXIT) },
58 { "warn-null-deref", 0, NULL, ACT(NULL_POINTER_DEREFERENCE,WARN) },
59 { "ignore-null-deref", 0, NULL, ACT(NULL_POINTER_DEREFERENCE,IGNORE) },
60 { "exit-unwritten-pages", 0, NULL, ACT(READ_UNWRITTEN_PAGES,EXIT) },
61 { "warn-unwritten-pages", 0, NULL, ACT(READ_UNWRITTEN_PAGES,WARN) },
62 { "ignore-unwritten-pages", 0, NULL, ACT(READ_UNWRITTEN_PAGES,IGNORE) },
63 { "exit-unwritten-bytes", 0, NULL, ACT(READ_UNWRITTEN_BYTES,EXIT) },
64 { "warn-unwritten-bytes", 0, NULL, ACT(READ_UNWRITTEN_BYTES,WARN) },
65 { "ignore-unwritten-bytes", 0, NULL, ACT(READ_UNWRITTEN_BYTES,IGNORE) },
66 { "exit-corrupt-stack", 0, NULL, ACT(CORRUPT_STACK,EXIT) },
67 { "warn-corrupt-stack", 0, NULL, ACT(CORRUPT_STACK,WARN) },
68 { "ignore-corrupt-stack", 0, NULL, ACT(CORRUPT_STACK,IGNORE) },
79 /* Only use comma separated numbers when being very verbose.
80 Comma separated numbers are hard to parse in awk scripts. */
82 printf ("insns: %14s\n", comma (rx_cycles));
84 printf ("insns: %u\n", rx_cycles);
90 main (int argc, char **argv)
96 /* By default, we exit when an execution error occurs. */
97 execution_error_init_standalone ();
99 while ((o = getopt_long (argc, argv, "tvdeEwi", sim_options, NULL)) != -1)
102 /* Stop processing the command line. This is so that any remaining
103 words on the command line that look like arguments will be passed
104 on to the program being simulated. */
112 e = o / SIM_ERRACTION_NUM_ACTIONS;
113 a = o % SIM_ERRACTION_NUM_ACTIONS;
114 execution_error_set_action (e, a);
128 execution_error_init_standalone ();
131 execution_error_warn_all ();
134 execution_error_ignore_all ();
140 "usage: run [options] program [arguments]\n");
142 "\t-v\t- increase verbosity.\n"
144 "\t-d\t- disassemble.\n"
145 "\t-E\t- stop processing sim args\n"
146 "\t-e\t- exit on all execution errors.\n"
147 "\t-w\t- warn (do not exit) on all execution errors.\n"
148 "\t-i\t- ignore all execution errors.\n");
149 for (i=0; sim_options[i].name; i++)
150 fprintf (stderr, "\t--%s\n", sim_options[i].name);
156 prog = bfd_openr (argv[optind], 0);
159 fprintf (stderr, "Can't read %s\n", argv[optind]);
163 if (!bfd_check_format (prog, bfd_object))
165 fprintf (stderr, "%s not a rx program\n", argv[optind]);
177 sim_disasm_init (prog);
189 enable_counting = verbose;
190 rc = decode_opcode ();
193 if (RX_HIT_BREAK (rc))
195 else if (RX_EXITED (rc))
196 done (RX_EXIT_STATUS (rc));
197 else if (RX_STOPPED (rc))
200 printf("Stopped on signal %d\n", RX_STOP_SIG (rc));
204 assert (RX_STEPPED (rc));
206 trace_register_changes ();