| [a7de7182] | 1 | /* $Id: main.c,v 1.14 2009/02/09 15:59:48 ragge Exp $ */
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| 2 | /*
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| 3 | * Copyright(C) Caldera International Inc. 2001-2002. All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * Redistributions of source code and documentation must retain the above
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| 10 | * copyright notice, this list of conditions and the following disclaimer.
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| 11 | * Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditionsand the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * All advertising materials mentioning features or use of this software
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| 15 | * must display the following acknowledgement:
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| 16 | * This product includes software developed or owned by Caldera
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| 17 | * International, Inc.
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| 18 | * Neither the name of Caldera International, Inc. nor the names of other
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| 19 | * contributors may be used to endorse or promote products derived from
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| 20 | * this software without specific prior written permission.
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| 21 | *
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| 22 | * USE OF THE SOFTWARE PROVIDED FOR UNDER THIS LICENSE BY CALDERA
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| 23 | * INTERNATIONAL, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
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| 24 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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| 25 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 26 | * DISCLAIMED. IN NO EVENT SHALL CALDERA INTERNATIONAL, INC. BE LIABLE
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| 27 | * FOR ANY DIRECT, INDIRECT INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 28 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 29 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 30 | * HOWEVER CAUSED AND ON ANY THEORY OFLIABILITY, WHETHER IN CONTRACT,
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| 31 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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| 32 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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| 33 | * POSSIBILITY OF SUCH DAMAGE.
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| 34 | */
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| 35 | char xxxvers[] = "\nFORTRAN 77 PASS 1, VERSION 1.16, 3 NOVEMBER 1978\n";
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| 36 |
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| 37 | #include <unistd.h>
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| 38 |
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| 39 | #include "defines.h"
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| 40 | #include "defs.h"
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| 41 |
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| 42 | void mkdope(void);
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| 43 |
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| 44 | int f2debug, e2debug, odebug, rdebug, b2debug, c2debug, t2debug;
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| 45 | int s2debug, udebug, x2debug, nflag, kflag, g2debug;
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| 46 | int xdeljumps, xtemps, xssaflag, xdce;
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| 47 |
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| 48 | int mflag, tflag;
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| 49 |
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| 50 | #if 1 /* RAGGE */
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| 51 | FILE *initfile, *sortfile;
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| 52 | int dodata(char *file);
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| 53 | LOCAL int nch = 0;
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| 54 | #endif
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| 55 |
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| 56 | static void
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| 57 | usage(void)
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| 58 | {
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| 59 | fprintf(stderr, "usage: fcom [qw:UuOdpC1I:Z:]\n");
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| 60 | exit(1);
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| 61 | }
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| 62 |
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| 63 | int
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| 64 | main(int argc, char **argv)
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| 65 | {
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| 66 | int ch;
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| 67 | int k, retcode;
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| 68 |
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| 69 | infile = stdin;
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| 70 | diagfile = stderr;
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| 71 | #if 1 /* RAGGE */
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| 72 | char file[] = "/tmp/initfile.XXXXXX";
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| 73 | char buf[100];
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| 74 | close(mkstemp(file));
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| 75 | sprintf(buf, "sort > %s", file);
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| 76 | initfile = popen(buf, "w");
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| 77 | #endif
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| 78 |
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| 79 |
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| 80 | #define DONE(c) { retcode = c; goto finis; }
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| 81 |
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| 82 | while ((ch = getopt(argc, argv, "qw:UuOdpC1I:Z:X:")) != -1)
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| 83 | switch (ch) {
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| 84 | case 'q':
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| 85 | quietflag = YES;
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| 86 | break;
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| 87 |
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| 88 | case 'w':
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| 89 | if(optarg[0]=='6' && optarg[1]=='6') {
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| 90 | ftn66flag = YES;
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| 91 | } else
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| 92 | nowarnflag = YES;
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| 93 | break;
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| 94 |
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| 95 | case 'U':
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| 96 | shiftcase = NO;
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| 97 | break;
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| 98 |
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| 99 | case 'u':
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| 100 | undeftype = YES;
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| 101 | break;
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| 102 |
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| 103 | case 'O':
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| 104 | optimflag = YES;
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| 105 | #ifdef notyet
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| 106 | xdeljumps = 1;
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| 107 | xtemps = 1;
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| 108 | #endif
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| 109 | break;
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| 110 |
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| 111 | case 'd':
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| 112 | debugflag = YES;
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| 113 | break;
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| 114 |
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| 115 | case 'p':
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| 116 | profileflag = YES;
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| 117 | break;
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| 118 |
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| 119 | case 'C':
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| 120 | checksubs = YES;
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| 121 | break;
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| 122 |
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| 123 | case '1':
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| 124 | onetripflag = YES;
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| 125 | break;
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| 126 |
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| 127 | case 'I':
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| 128 | if(*optarg == '2')
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| 129 | tyint = TYSHORT;
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| 130 | else if(*optarg == '4') {
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| 131 | shortsubs = NO;
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| 132 | tyint = TYLONG;
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| 133 | } else if(*optarg == 's')
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| 134 | shortsubs = YES;
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| 135 | else
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| 136 | fatal1("invalid flag -I%c\n", *optarg);
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| 137 | tylogical = tyint;
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| 138 | break;
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| 139 |
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| 140 | case 'Z':
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| 141 | while (*optarg)
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| 142 | switch (*optarg++) {
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| 143 | case 'f': /* instruction matching */
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| 144 | ++f2debug;
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| 145 | break;
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| 146 | case 'e': /* print tree upon pass2 enter */
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| 147 | ++e2debug;
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| 148 | break;
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| 149 | case 'o': ++odebug; break;
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| 150 | case 'r': /* register alloc/graph coloring */
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| 151 | ++rdebug;
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| 152 | break;
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| 153 | case 'b': /* basic block and SSA building */
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| 154 | ++b2debug;
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| 155 | break;
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| 156 | case 'c': /* code printout */
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| 157 | ++c2debug;
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| 158 | break;
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| 159 | case 't': ++t2debug; break;
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| 160 | case 's': /* shape matching */
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| 161 | ++s2debug;
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| 162 | break;
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| 163 | case 'u': /* Sethi-Ullman debugging */
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| 164 | ++udebug;
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| 165 | break;
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| 166 | case 'x': ++x2debug; break;
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| 167 | case 'g': ++g2debug; break;
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| 168 | case 'n': ++nflag; break;
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| 169 | default:
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| 170 | fprintf(stderr, "unknown Z flag '%c'\n",
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| 171 | optarg[-1]);
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| 172 | exit(1);
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| 173 | }
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| 174 | break;
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| 175 |
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| 176 | case 'X':
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| 177 | while (*optarg)
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| 178 | switch (*optarg++) {
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| 179 | case 't': /* tree debugging */
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| 180 | tflag++;
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| 181 | break;
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| 182 | case 'm': /* memory allocation */
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| 183 | ++mflag;
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| 184 | break;
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| 185 | default:
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| 186 | usage();
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| 187 | }
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| 188 | break;
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| 189 |
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| 190 | default:
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| 191 | usage();
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| 192 | }
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| 193 | argc -= optind;
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| 194 | argv += optind;
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| 195 |
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| 196 | mkdope();
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| 197 | initkey();
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| 198 | if (argc > 0) {
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| 199 | if (inilex(copys(argv[0])))
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| 200 | DONE(1);
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| 201 | if (!quietflag)
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| 202 | fprintf(diagfile, "%s:\n", argv[0]);
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| 203 | if (argc != 1)
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| 204 | if (freopen(argv[1], "w", stdout) == NULL) {
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| 205 | fprintf(stderr, "open output file '%s':",
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| 206 | argv[1]);
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| 207 | perror(NULL);
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| 208 | exit(1);
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| 209 | }
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| 210 | } else {
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| 211 | inilex(copys(""));
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| 212 | }
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| 213 | fileinit();
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| 214 | procinit();
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| 215 | if((k = yyparse())) {
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| 216 | fprintf(diagfile, "Bad parse, return code %d\n", k);
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| 217 | DONE(1);
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| 218 | }
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| 219 | if(nerr > 0)
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| 220 | DONE(1);
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| 221 | if(parstate != OUTSIDE) {
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| 222 | warn("missing END statement");
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| 223 | endproc();
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| 224 | }
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| 225 | doext();
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| 226 | preven(ALIDOUBLE);
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| 227 | prtail();
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| 228 | puteof();
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| 229 | DONE(0);
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| 230 |
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| 231 |
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| 232 | finis:
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| 233 | pclose(initfile);
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| 234 | retcode |= dodata(file);
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| 235 | unlink(file);
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| 236 | done(retcode);
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| 237 | return(retcode);
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| 238 | }
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| 239 |
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| 240 | #define USEINIT ".data\t2"
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| 241 | #define LABELFMT "%s:\n"
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| 242 |
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| 243 | static void
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| 244 | prcha(FILEP fp, int *s)
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| 245 | {
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| 246 |
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| 247 | fprintf(fp, ".byte 0%o,0%o\n", s[0], s[1]);
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| 248 | }
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| 249 |
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| 250 | static void
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| 251 | prskip(FILEP fp, ftnint k)
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| 252 | {
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| 253 | fprintf(fp, "\t.space\t%ld\n", k);
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| 254 | }
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| 255 |
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| 256 |
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| 257 | static void
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| 258 | prch(int c)
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| 259 | {
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| 260 | static int buff[SZSHORT];
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| 261 |
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| 262 | buff[nch++] = c;
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| 263 | if(nch == SZSHORT)
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| 264 | {
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| 265 | prcha(stdout, buff);
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| 266 | nch = 0;
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| 267 | }
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| 268 | }
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| 269 |
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| 270 |
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| 271 | static int
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| 272 | rdname(int *vargroupp, char *name)
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| 273 | {
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| 274 | register int i, c;
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| 275 |
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| 276 | if( (c = getc(sortfile)) == EOF)
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| 277 | return(NO);
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| 278 | *vargroupp = c - '0';
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| 279 |
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| 280 | for(i = 0 ; i<XL ; ++i)
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| 281 | {
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| 282 | if( (c = getc(sortfile)) == EOF)
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| 283 | return(NO);
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| 284 | if(c != ' ')
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| 285 | *name++ = c;
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| 286 | }
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| 287 | *name = '\0';
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| 288 | return(YES);
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| 289 | }
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| 290 |
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| 291 | static int
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| 292 | rdlong(ftnint *n)
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| 293 | {
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| 294 | register int c;
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| 295 |
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| 296 | for(c = getc(sortfile) ; c!=EOF && isspace(c) ; c = getc(sortfile) );
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| 297 | ;
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| 298 | if(c == EOF)
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| 299 | return(NO);
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| 300 |
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| 301 | for(*n = 0 ; isdigit(c) ; c = getc(sortfile) )
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| 302 | *n = 10* (*n) + c - '0';
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| 303 | return(YES);
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| 304 | }
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| 305 |
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| 306 | static void
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| 307 | prspace(ftnint n)
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| 308 | {
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| 309 | register ftnint m;
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| 310 |
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| 311 | while(nch>0 && n>0)
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| 312 | {
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| 313 | --n;
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| 314 | prch(0);
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| 315 | }
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| 316 | m = SZSHORT * (n/SZSHORT);
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| 317 | if(m > 0)
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| 318 | prskip(stdout, m);
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| 319 | for(n -= m ; n>0 ; --n)
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| 320 | prch(0);
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| 321 | }
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| 322 |
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| 323 | static ftnint
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| 324 | doeven(ftnint tot, int align)
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| 325 | {
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| 326 | ftnint new;
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| 327 | new = roundup(tot, align);
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| 328 | prspace(new - tot);
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| 329 | return(new);
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| 330 | }
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| 331 |
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| 332 |
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| 333 | int
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| 334 | dodata(char *file)
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| 335 | {
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| 336 | char varname[XL+1], ovarname[XL+1];
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| 337 | flag erred;
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| 338 | ftnint offset, vlen, type;
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| 339 | register ftnint ooffset, ovlen;
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| 340 | ftnint vchar;
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| 341 | int size, align;
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| 342 | int vargroup;
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| 343 | ftnint totlen;
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| 344 |
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| 345 | erred = NO;
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| 346 | ovarname[0] = '\0';
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| 347 | ooffset = 0;
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| 348 | ovlen = 0;
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| 349 | totlen = 0;
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| 350 | nch = 0;
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| 351 |
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| 352 | if( (sortfile = fopen(file, "r")) == NULL)
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| 353 | fatal1(file);
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| 354 | #if 0
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| 355 | pruse(asmfile, USEINIT);
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| 356 | #else
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| 357 | printf("\t%s\n", USEINIT);
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| 358 | #endif
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| 359 | while (rdname(&vargroup, varname) && rdlong(&offset) &&
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| 360 | rdlong(&vlen) && rdlong(&type) ) {
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| 361 | size = typesize[type];
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| 362 | if( strcmp(varname, ovarname) ) {
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| 363 | prspace(ovlen-ooffset);
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| 364 | strcpy(ovarname, varname);
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| 365 | ooffset = 0;
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| 366 | totlen += ovlen;
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| 367 | ovlen = vlen;
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| 368 | if(vargroup == 0)
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| 369 | align = (type==TYCHAR ? SZLONG :
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| 370 | typealign[type]);
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| 371 | else
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| 372 | align = ALIDOUBLE;
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| 373 | totlen = doeven(totlen, align);
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| 374 | if(vargroup == 2) {
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| 375 | #if 0
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| 376 | prcomblock(asmfile, varname);
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| 377 | #else
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| 378 | printf(LABELFMT, varname);
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| 379 | #endif
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| 380 | } else {
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| 381 | #if 0
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| 382 | fprintf(asmfile, LABELFMT, varname);
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| 383 | #else
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| 384 | printf(LABELFMT, varname);
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| 385 | #endif
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| 386 | }
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| 387 | }
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| 388 | if(offset < ooffset) {
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| 389 | erred = YES;
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| 390 | err("overlapping initializations");
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| 391 | }
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| 392 | if(offset > ooffset) {
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| 393 | prspace(offset-ooffset);
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| 394 | ooffset = offset;
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| 395 | }
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| 396 | if(type == TYCHAR) {
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| 397 | if( ! rdlong(&vchar) )
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| 398 | fatal("bad intermediate file format");
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| 399 | prch( (int) vchar );
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| 400 | } else {
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| 401 | putc('\t', stdout);
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| 402 | while ( putc( getc(sortfile), stdout) != '\n')
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| 403 | ;
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| 404 | }
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| 405 | if( (ooffset += size) > ovlen) {
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| 406 | erred = YES;
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| 407 | err("initialization out of bounds");
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| 408 | }
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| 409 | }
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| 410 |
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| 411 | prspace(ovlen-ooffset);
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| 412 | totlen = doeven(totlen+ovlen, (ALIDOUBLE>SZLONG ? ALIDOUBLE : SZLONG) );
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| 413 | return(erred);
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| 414 | }
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| 415 |
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| 416 | void
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| 417 | done(k)
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| 418 | int k;
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| 419 | {
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| 420 | static int recurs = NO;
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| 421 |
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| 422 | if(recurs == NO)
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| 423 | {
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| 424 | recurs = YES;
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| 425 | }
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| 426 | exit(k);
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| 427 | }
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