2 * Copyright (c) 1997, 1999 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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36 RCSID("$Id: gen_glue.c,v 1.7 1999/12/02 17:05:02 joda Exp $");
39 generate_2int (const Symbol *s)
46 "unsigned %s2int(%s);\n",
47 s->gen_name, s->gen_name);
50 "unsigned %s2int(%s f)\n"
53 s->gen_name, s->gen_name);
55 for (m = t->members; m && m->val != tag; m = m->next) {
56 fprintf (codefile, "if(f.%s) r |= (1U << %d);\n",
62 fprintf (codefile, "return r;\n"
67 generate_int2 (const Symbol *s)
74 "%s int2%s(unsigned);\n",
75 s->gen_name, s->gen_name);
78 "%s int2%s(unsigned n)\n"
81 s->gen_name, s->gen_name, s->gen_name);
83 for (m = t->members; m && m->val != tag; m = m->next) {
84 fprintf (codefile, "\tflags.%s = (n >> %d) & 1;\n",
90 fprintf (codefile, "\treturn flags;\n"
95 * This depends on the bit string being declared in increasing order
99 generate_units (const Symbol *s)
106 "extern struct units %s_units[];",
110 "struct units %s_units[] = {\n",
114 for (m = t->members->prev; m && m->val != tag; m = m->prev) {
116 "\t{\"%s\",\t1U << %d},\n", m->gen_name, m->val);
128 generate_glue (const Symbol *s)
130 switch(s->type->type) {