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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 23 /* 24 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 */ 27 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 /* 30 * University Copyright- Copyright (c) 1982, 1986, 1988 31 * The Regents of the University of California 32 * All Rights Reserved 33 * 34 * University Acknowledgment- Portions of this document are derived from 35 * software developed by the University of California, Berkeley, and its 36 * contributors. 37 */ 38 39 #pragma ident "%Z%%M% %I% %E% SMI" 40 41 /* 42 * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler 43 */ 44 #include <stdio.h> 45 #include <string.h> 46 #include "rpc_parse.h" 47 #include "rpc_util.h" 48 49 extern int nullproc(proc_list *); 50 51 static void write_table(definition *); 52 static void printit(char *, char *); 53 54 #define TABSIZE 8 55 #define TABCOUNT 5 56 #define TABSTOP (TABSIZE*TABCOUNT) 57 58 static char tabstr[TABCOUNT+1] = "\t\t\t\t\t"; 59 60 static char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n"; 61 static char tbl_end[] = "};\n"; 62 63 static char null_entry_b[] = "\n\t(char *(*)())0,\n" 64 " \t(xdrproc_t)xdr_void,\t\t\t0,\n" 65 " \t(xdrproc_t)xdr_void,\t\t\t0,\n"; 66 67 static char null_entry[] = "\n\t(void *(*)())0,\n" 68 " \t(xdrproc_t)xdr_void,\t\t\t0,\n" 69 " \t(xdrproc_t)xdr_void,\t\t\t0,\n"; 70 71 72 static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)" 73 "/sizeof(%s_table[0]);\n\n"; 74 75 void 76 write_tables(void) 77 { 78 list *l; 79 definition *def; 80 81 f_print(fout, "\n"); 82 for (l = defined; l != NULL; l = l->next) { 83 def = (definition *)l->val; 84 if (def->def_kind == DEF_PROGRAM) { 85 write_table(def); 86 } 87 } 88 } 89 90 static void 91 write_table(definition *def) 92 { 93 version_list *vp; 94 proc_list *proc; 95 int current; 96 int expected; 97 char progvers[100]; 98 int warning; 99 100 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 101 warning = 0; 102 (void) snprintf(progvers, sizeof (progvers), "%s_%s", 103 locase(def->def_name), vp->vers_num); 104 /* print the table header */ 105 f_print(fout, tbl_hdr, progvers); 106 107 if (nullproc(vp->procs)) { 108 expected = 0; 109 } else { 110 expected = 1; 111 if (tirpcflag) 112 f_print(fout, null_entry); 113 else 114 f_print(fout, null_entry_b); 115 } 116 for (proc = vp->procs; proc != NULL; proc = proc->next) { 117 current = atoi(proc->proc_num); 118 if (current != expected++) { 119 f_print(fout, 120 "\n/*\n * WARNING: table out of order\n */\n"); 121 if (warning == 0) { 122 f_print(stderr, 123 "WARNING %s table is out of order\n", 124 progvers); 125 warning = 1; 126 nonfatalerrors = 1; 127 } 128 expected = current + 1; 129 } 130 if (tirpcflag) 131 f_print(fout, 132 "\n\t(void *(*)())RPCGEN_ACTION("); 133 else 134 f_print(fout, 135 "\n\t(char *(*)())RPCGEN_ACTION("); 136 137 /* routine to invoke */ 138 if (Cflag && !newstyle) 139 pvname_svc(proc->proc_name, vp->vers_num); 140 else { 141 if (newstyle) /* calls internal func */ 142 f_print(fout, "_"); 143 pvname(proc->proc_name, vp->vers_num); 144 } 145 f_print(fout, "),\n"); 146 147 /* argument info */ 148 if (proc->arg_num > 1) 149 printit(NULL, proc->args.argname); 150 else 151 /* do we have to do something special for newstyle */ 152 printit(proc->args.decls->decl.prefix, 153 proc->args.decls->decl.type); 154 /* result info */ 155 printit(proc->res_prefix, proc->res_type); 156 } 157 158 /* print the table trailer */ 159 f_print(fout, tbl_end); 160 f_print(fout, tbl_nproc, progvers, progvers, progvers); 161 } 162 } 163 164 static void 165 printit(char *prefix, char *type) 166 { 167 int len; 168 int tabs; 169 170 171 if (streq(type, "oneway")) 172 len = fprintf(fout, "\t(xdrproc_t)xdr_void,"); 173 else 174 len = fprintf(fout, "\t(xdrproc_t)xdr_%s,", stringfix(type)); 175 /* account for leading tab expansion */ 176 len += TABSIZE - 1; 177 if (len >= TABSTOP) { 178 f_print(fout, "\n"); 179 len = 0; 180 } 181 /* round up to tabs required */ 182 tabs = (TABSTOP - len + TABSIZE - 1)/TABSIZE; 183 f_print(fout, "%s", &tabstr[TABCOUNT-tabs]); 184 185 if (streq(type, "void") || streq(type, "oneway")) { 186 f_print(fout, "0"); 187 } else { 188 f_print(fout, "sizeof ( "); 189 /* XXX: should "follow" be 1 ??? */ 190 ptype(prefix, type, 0); 191 f_print(fout, ")"); 192 } 193 f_print(fout, ",\n"); 194 } 195