1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
24 *
25 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
26 * Use is subject to license terms.
27 */
28 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
29 /* All Rights Reserved */
30 /*
31 * University Copyright- Copyright (c) 1982, 1986, 1988
32 * The Regents of the University of California
33 * All Rights Reserved
34 *
35 * University Acknowledgment- Portions of this document are derived from
36 * software developed by the University of California, Berkeley, and its
37 * contributors.
38 */
39
40 /*
41 * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler
42 */
43 #include <stdio.h>
44 #include <string.h>
45 #include "rpc_parse.h"
46 #include "rpc_util.h"
47
48 extern int nullproc(proc_list *);
49
50 static void write_table(definition *);
51 static void printit(char *, char *);
52
53 #define TABSIZE 8
54 #define TABCOUNT 5
55 #define TABSTOP (TABSIZE*TABCOUNT)
56
57 static char tabstr[TABCOUNT+1] = "\t\t\t\t\t";
58
59 static char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n";
60 static char tbl_end[] = "};\n";
61
62 static char null_entry_b[] = "\n\t(char *(*)())0,\n"
63 " \t(xdrproc_t)xdr_void,\t\t\t0,\n"
64 " \t(xdrproc_t)xdr_void,\t\t\t0,\n";
65
66 static char null_entry[] = "\n\t(void *(*)())0,\n"
67 " \t(xdrproc_t)xdr_void,\t\t\t0,\n"
68 " \t(xdrproc_t)xdr_void,\t\t\t0,\n";
69
70
71 static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)"
72 "/sizeof(%s_table[0]);\n\n";
73
74 void
75 write_tables(void)
76 {
77 list *l;
78 definition *def;
79
80 f_print(fout, "\n");
81 for (l = defined; l != NULL; l = l->next) {
82 def = (definition *)l->val;
83 if (def->def_kind == DEF_PROGRAM) {
84 write_table(def);
85 }
86 }
87 }
88
89 static void
90 write_table(definition *def)
91 {
92 version_list *vp;
93 proc_list *proc;
94 int current;
95 int expected;
96 char progvers[100];
97 int warning;
98
99 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
100 warning = 0;
101 (void) snprintf(progvers, sizeof (progvers), "%s_%s",
102 locase(def->def_name), vp->vers_num);
103 /* print the table header */
104 f_print(fout, tbl_hdr, progvers);
105
106 if (nullproc(vp->procs)) {
107 expected = 0;
108 } else {
109 expected = 1;
110 if (tirpcflag)
111 f_print(fout, null_entry);
112 else
113 f_print(fout, null_entry_b);
114 }
115 for (proc = vp->procs; proc != NULL; proc = proc->next) {
116 current = atoi(proc->proc_num);
117 if (current != expected++) {
118 f_print(fout,
119 "\n/*\n * WARNING: table out of order\n */\n");
120 if (warning == 0) {
121 f_print(stderr,
122 "WARNING %s table is out of order\n",
123 progvers);
124 warning = 1;
125 nonfatalerrors = 1;
126 }
127 expected = current + 1;
128 }
129 if (tirpcflag)
130 f_print(fout,
131 "\n\t(void *(*)())RPCGEN_ACTION(");
132 else
133 f_print(fout,
134 "\n\t(char *(*)())RPCGEN_ACTION(");
135
136 /* routine to invoke */
137 if (!newstyle)
138 pvname_svc(proc->proc_name, vp->vers_num);
139 else {
140 if (newstyle) /* calls internal func */
141 f_print(fout, "_");
142 pvname(proc->proc_name, vp->vers_num);
143 }
144 f_print(fout, "),\n");
145
146 /* argument info */
147 if (proc->arg_num > 1)
148 printit(NULL, proc->args.argname);
149 else
150 /* do we have to do something special for newstyle */
151 printit(proc->args.decls->decl.prefix,
152 proc->args.decls->decl.type);
153 /* result info */
154 printit(proc->res_prefix, proc->res_type);
155 }
156
157 /* print the table trailer */
158 f_print(fout, tbl_end);
159 f_print(fout, tbl_nproc, progvers, progvers, progvers);
160 }
161 }
162
163 static void
164 printit(char *prefix, char *type)
165 {
166 int len;
167 int tabs;
168
169
170 if (streq(type, "oneway"))
171 len = fprintf(fout, "\t(xdrproc_t)xdr_void,");
172 else
173 len = fprintf(fout, "\t(xdrproc_t)xdr_%s,", stringfix(type));
174 /* account for leading tab expansion */
175 len += TABSIZE - 1;
176 if (len >= TABSTOP) {
177 f_print(fout, "\n");
178 len = 0;
179 }
180 /* round up to tabs required */
181 tabs = (TABSTOP - len + TABSIZE - 1)/TABSIZE;
182 f_print(fout, "%s", &tabstr[TABCOUNT-tabs]);
183
184 if (streq(type, "void") || streq(type, "oneway")) {
185 f_print(fout, "0");
186 } else {
187 f_print(fout, "sizeof ( ");
188 /* XXX: should "follow" be 1 ??? */
189 ptype(prefix, type, 0);
190 f_print(fout, ")");
191 }
192 f_print(fout, ",\n");
193 }