Commit | Line | Data |
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c95d08a8 DE |
1 | /* New version of run front end support for simulators. |
2 | Copyright (C) 1997 Free Software Foundation, Inc. | |
3 | ||
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License as published by | |
6 | the Free Software Foundation; either version 2, or (at your option) | |
7 | any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License along | |
15 | with this program; if not, write to the Free Software Foundation, Inc., | |
16 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
17 | ||
247fccde | 18 | #include <signal.h> |
c95d08a8 DE |
19 | #include "sim-main.h" |
20 | ||
897a1d78 DE |
21 | #include "bfd.h" |
22 | ||
c95d08a8 DE |
23 | #ifdef HAVE_ENVIRON |
24 | extern char **environ; | |
25 | #endif | |
26 | ||
247fccde | 27 | static void usage (void); |
c95d08a8 DE |
28 | |
29 | extern host_callback default_callback; | |
30 | ||
31 | static char *myname; | |
32 | ||
247fccde AC |
33 | static SIM_DESC sd; |
34 | ||
35 | static RETSIGTYPE | |
36 | cntrl_c (int sig) | |
37 | { | |
38 | if (! sim_stop (sd)) | |
39 | { | |
40 | fprintf (stderr, "Quit!\n"); | |
41 | exit (1); | |
42 | } | |
43 | } | |
44 | ||
c95d08a8 | 45 | int |
247fccde | 46 | main (int argc, char **argv) |
c95d08a8 DE |
47 | { |
48 | char *name; | |
49 | char **prog_argv = NULL; | |
897a1d78 | 50 | struct _bfd *prog_bfd; |
c95d08a8 DE |
51 | enum sim_stop reason; |
52 | int sigrc; | |
247fccde | 53 | RETSIGTYPE (*prev_sigint) (); |
c95d08a8 DE |
54 | |
55 | myname = argv[0] + strlen (argv[0]); | |
56 | while (myname > argv[0] && myname[-1] != '/') | |
57 | --myname; | |
58 | ||
c95d08a8 | 59 | /* Create an instance of the simulator. */ |
247fccde AC |
60 | default_callback.init (&default_callback); |
61 | sd = sim_open (SIM_OPEN_STANDALONE, &default_callback, NULL, argv); | |
c95d08a8 DE |
62 | if (sd == 0) |
63 | exit (1); | |
247fccde AC |
64 | if (STATE_MAGIC (sd) != SIM_MAGIC_NUMBER) |
65 | { | |
66 | fprintf (stderr, "Internal error - bad magic number in simulator struct\n"); | |
67 | abort (); | |
68 | } | |
c95d08a8 DE |
69 | |
70 | /* Was there a program to run? */ | |
71 | prog_argv = STATE_PROG_ARGV (sd); | |
897a1d78 | 72 | prog_bfd = STATE_PROG_BFD (sd); |
c95d08a8 DE |
73 | if (prog_argv == NULL || *prog_argv == NULL) |
74 | usage (); | |
75 | ||
76 | name = *prog_argv; | |
77 | ||
897a1d78 DE |
78 | /* For simulators that don't open prog during sim_open() */ |
79 | if (prog_bfd == NULL) | |
80 | { | |
81 | prog_bfd = bfd_openr (name, 0); | |
82 | if (prog_bfd == NULL) | |
83 | fprintf (stderr, "%s: can't open \"%s\": %s\n", | |
84 | myname, name, bfd_errmsg (bfd_get_error ())); | |
85 | } | |
86 | ||
c95d08a8 DE |
87 | if (STATE_VERBOSE_P (sd)) |
88 | printf ("%s %s\n", myname, name); | |
89 | ||
90 | /* Load the program into the simulator. */ | |
897a1d78 | 91 | if (sim_load (sd, name, prog_bfd, 0) == SIM_RC_FAIL) |
c95d08a8 DE |
92 | exit (1); |
93 | ||
94 | /* Prepare the program for execution. */ | |
95 | #ifdef HAVE_ENVIRON | |
897a1d78 | 96 | sim_create_inferior (sd, prog_bfd, prog_argv, environ); |
c95d08a8 | 97 | #else |
897a1d78 | 98 | sim_create_inferior (sd, prog_bfd, prog_argv, NULL); |
c95d08a8 DE |
99 | #endif |
100 | ||
101 | /* Run the program. */ | |
247fccde | 102 | prev_sigint = signal (SIGINT, cntrl_c); |
c95d08a8 | 103 | sim_resume (sd, 0, 0); |
247fccde | 104 | signal (SIGINT, prev_sigint); |
c95d08a8 DE |
105 | |
106 | /* Print any stats the simulator collected. */ | |
107 | sim_info (sd, 0); | |
108 | ||
109 | /* Find out why the program exited. */ | |
110 | sim_stop_reason (sd, &reason, &sigrc); | |
111 | ||
112 | /* Shutdown the simulator. */ | |
113 | sim_close (sd, 0); | |
114 | ||
115 | /* If reason is sim_exited, then sigrc holds the exit code which we want | |
116 | to return. If reason is sim_stopped or sim_signalled, then sigrc holds | |
117 | the signal that the simulator received; we want to return that to | |
118 | indicate failure. */ | |
119 | ||
120 | #ifdef SIM_H8300 /* FIXME: Ugh. grep for SLEEP in compile.c */ | |
121 | if (sigrc == SIGILL) | |
122 | abort (); | |
123 | sigrc = 0; | |
124 | #else | |
125 | /* Why did we stop? */ | |
126 | switch (reason) | |
127 | { | |
128 | case sim_signalled: | |
129 | case sim_stopped: | |
130 | if (sigrc != 0) | |
131 | fprintf (stderr, "program stopped with signal %d.\n", sigrc); | |
132 | break; | |
133 | ||
134 | case sim_exited: | |
135 | break; | |
247fccde AC |
136 | |
137 | default: | |
138 | fprintf (stderr, "program in undefined state (%d:%d)\n", reason, sigrc); | |
139 | break; | |
140 | ||
c95d08a8 DE |
141 | } |
142 | #endif | |
143 | ||
144 | return sigrc; | |
145 | } | |
146 | ||
147 | static void | |
148 | usage () | |
149 | { | |
150 | fprintf (stderr, "Usage: %s [options] program [program args]\n", myname); | |
151 | fprintf (stderr, "Run `%s --help' for full list of options.\n", myname); | |
152 | exit (1); | |
153 | } |