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/>. */
39 static int disassemble = 0;
41 /* This must be higher than any other option index. */
44 #define ACT(E,A) (OPT_ACT + SIM_ERR_##E * SIM_ERRACTION_NUM_ACTIONS + SIM_ERRACTION_##A)
46 static struct option sim_options[] =
48 { "end-sim-args", 0, NULL, 'E' },
49 { "exit-null-deref", 0, NULL, ACT(NULL_POINTER_DEREFERENCE,EXIT) },
50 { "warn-null-deref", 0, NULL, ACT(NULL_POINTER_DEREFERENCE,WARN) },
51 { "ignore-null-deref", 0, NULL, ACT(NULL_POINTER_DEREFERENCE,IGNORE) },
52 { "exit-unwritten-pages", 0, NULL, ACT(READ_UNWRITTEN_PAGES,EXIT) },
53 { "warn-unwritten-pages", 0, NULL, ACT(READ_UNWRITTEN_PAGES,WARN) },
54 { "ignore-unwritten-pages", 0, NULL, ACT(READ_UNWRITTEN_PAGES,IGNORE) },
55 { "exit-unwritten-bytes", 0, NULL, ACT(READ_UNWRITTEN_BYTES,EXIT) },
56 { "warn-unwritten-bytes", 0, NULL, ACT(READ_UNWRITTEN_BYTES,WARN) },
57 { "ignore-unwritten-bytes", 0, NULL, ACT(READ_UNWRITTEN_BYTES,IGNORE) },
58 { "exit-corrupt-stack", 0, NULL, ACT(CORRUPT_STACK,EXIT) },
59 { "warn-corrupt-stack", 0, NULL, ACT(CORRUPT_STACK,WARN) },
60 { "ignore-corrupt-stack", 0, NULL, ACT(CORRUPT_STACK,IGNORE) },
71 /* Only use comma separated numbers when being very verbose.
72 Comma separated numbers are hard to parse in awk scripts. */
74 printf ("insns: %14s\n", comma (rx_cycles));
76 printf ("insns: %u\n", rx_cycles);
82 main (int argc, char **argv)
88 /* By default, we exit when an execution error occurs. */
89 execution_error_init_standalone ();
91 while ((o = getopt_long (argc, argv, "tvdeEwi", sim_options, NULL)) != -1)
94 /* Stop processing the command line. This is so that any remaining
95 words on the command line that look like arguments will be passed
96 on to the program being simulated. */
104 e = o / SIM_ERRACTION_NUM_ACTIONS;
105 a = o % SIM_ERRACTION_NUM_ACTIONS;
106 execution_error_set_action (e, a);
120 execution_error_init_standalone ();
123 execution_error_warn_all ();
126 execution_error_ignore_all ();
132 "usage: run [options] program [arguments]\n");
134 "\t-v\t- increase verbosity.\n"
136 "\t-d\t- disassemble.\n"
137 "\t-E\t- stop processing sim args\n"
138 "\t-e\t- exit on all execution errors.\n"
139 "\t-w\t- warn (do not exit) on all execution errors.\n"
140 "\t-i\t- ignore all execution errors.\n");
141 for (i=0; sim_options[i].name; i++)
142 fprintf (stderr, "\t--%s\n", sim_options[i].name);
148 prog = bfd_openr (argv[optind], 0);
151 fprintf (stderr, "Can't read %s\n", argv[optind]);
155 if (!bfd_check_format (prog, bfd_object))
157 fprintf (stderr, "%s not a rx program\n", argv[optind]);
169 sim_disasm_init (prog);
181 enable_counting = verbose;
182 rc = decode_opcode ();
185 if (RX_HIT_BREAK (rc))
187 else if (RX_EXITED (rc))
188 done (RX_EXIT_STATUS (rc));
189 else if (RX_STOPPED (rc))
192 printf("Stopped on signal %d\n", RX_STOP_SIG (rc));
196 assert (RX_STEPPED (rc));
198 trace_register_changes ();