1 /* main.c --- main function for stand-alone RX simulator.
3 Copyright (C) 2005-2018 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);
92 main (int argc, char **argv)
99 /* By default, we exit when an execution error occurs. */
100 execution_error_init_standalone ();
102 while ((o = getopt_long (argc, argv, "tvdeEwi", sim_options, NULL)) != -1)
105 /* Stop processing the command line. This is so that any remaining
106 words on the command line that look like arguments will be passed
107 on to the program being simulated. */
115 e = o / SIM_ERRACTION_NUM_ACTIONS;
116 a = o % SIM_ERRACTION_NUM_ACTIONS;
117 execution_error_set_action (e, a);
131 execution_error_init_standalone ();
134 execution_error_warn_all ();
137 execution_error_ignore_all ();
143 "usage: run [options] program [arguments]\n");
145 "\t-v\t- increase verbosity.\n"
147 "\t-d\t- disassemble.\n"
148 "\t-E\t- stop processing sim args\n"
149 "\t-e\t- exit on all execution errors.\n"
150 "\t-w\t- warn (do not exit) on all execution errors.\n"
151 "\t-i\t- ignore all execution errors.\n");
152 for (i=0; sim_options[i].name; i++)
153 fprintf (stderr, "\t--%s\n", sim_options[i].name);
159 prog = bfd_openr (argv[optind], 0);
162 fprintf (stderr, "Can't read %s\n", argv[optind]);
166 if (!bfd_check_format (prog, bfd_object))
168 fprintf (stderr, "%s not a rx program\n", argv[optind]);
177 rx_load (prog, NULL);
180 sim_disasm_init (prog);
182 enable_counting = verbose;
184 rc = setjmp (decode_jmp_buf);
188 if (!trace && !disassemble)
190 /* This will longjmp to the above if an exception
206 enable_counting = verbose;
209 rc = decode_opcode ();
212 trace_register_changes ();
216 if (RX_HIT_BREAK (rc))
218 else if (RX_EXITED (rc))
219 done (RX_EXIT_STATUS (rc));
220 else if (RX_STOPPED (rc))
223 printf("Stopped on signal %d\n", RX_STOP_SIG (rc));