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89 lines
1.6 KiB
C
89 lines
1.6 KiB
C
/*
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** Copyright (C) 1997 The University of Melbourne.
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** This file may only be copied under the terms of the GNU Library General
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** Public License - see the file COPYING.LIB in the Mercury distribution.
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**
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** $Id: mdis.c,v 1.7 1997-07-27 14:59:27 fjh Exp $
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*/
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/* Imports */
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <getopt.h>
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#include <util.h>
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#include <mem.h>
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#include <disasm.h>
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#include <mdis.h>
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static char
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rcs_id[] = "$Id: mdis.c,v 1.7 1997-07-27 14:59:27 fjh Exp $";
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/* Local declarations */
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static void
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usage(void);
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static char*
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program_name = NULL;
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/* Implementation */
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#if ! defined(UNIT_TESTING)
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int
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main(int argc, char* argv[])
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{
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int c;
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/* We do this in case we change the program name. */
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program_name = argv[0];
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/* Don't use default error messages from getopt() */
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opterr = 0;
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/* Read options */
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while ((c = getopt(argc,argv,"h")) != EOF) {
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switch (c) {
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case 'h':
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usage();
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exit(EXIT_SUCCESS);
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break;
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default:
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usage();
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exit(EXIT_FAILURE);
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break;
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}
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}
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/* If no arguments, then assume bytecode stream is on stdin */
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if (optind == argc) {
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MB_disassemble(stdin);
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} else {
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/* Process each bytecode file in order */
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int i;
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char *filename;
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FILE *fp;
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for (i = optind; i < argc; i++) {
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filename = argv[i];
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if ((fp = fopen(filename, "r")) != NULL) {
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MB_disassemble(fp);
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} else {
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/* XXX: Give better error message */
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MB_util_error("can not open bytecode file `%s'", filename);
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}
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}
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} /* end else */
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exit(EXIT_SUCCESS);
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} /* end main() */
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#endif /* UNIT_TESTING */
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static void
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usage(void)
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{
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fprintf(stderr, "usage: %s [-h] [files]\n", program_name);
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}
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