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 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 27 /* All Rights Reserved */ 28 /* 29 * University Copyright- Copyright (c) 1982, 1986, 1988 30 * The Regents of the University of California 31 * All Rights Reserved 32 * 33 * University Acknowledgment- Portions of this document are derived from 34 * software developed by the University of California, Berkeley, and its 35 * contributors. 36 */ 37 38 /* 39 * rpc_tblout.c, Dispatch table outputter for the RPC protocol compiler 40 */ 41 #include <stdio.h> 42 #include <string.h> 43 #include "rpc_parse.h" 44 #include "rpc_util.h" 45 46 extern int nullproc(proc_list *); 47 48 static void write_table(definition *); 49 static void printit(char *, char *); 50 51 #define TABSIZE 8 52 #define TABCOUNT 5 53 #define TABSTOP (TABSIZE*TABCOUNT) 54 55 static char tabstr[TABCOUNT+1] = "\t\t\t\t\t"; 56 57 static char tbl_hdr[] = "struct rpcgen_table %s_table[] = {\n"; 58 static char tbl_end[] = "};\n"; 59 60 static char null_entry_b[] = "\n\t(char *(*)())0,\n" 61 " \t(xdrproc_t)xdr_void,\t\t\t0,\n" 62 " \t(xdrproc_t)xdr_void,\t\t\t0,\n"; 63 64 static char null_entry[] = "\n\t(void *(*)())0,\n" 65 " \t(xdrproc_t)xdr_void,\t\t\t0,\n" 66 " \t(xdrproc_t)xdr_void,\t\t\t0,\n"; 67 68 69 static char tbl_nproc[] = "int %s_nproc =\n\tsizeof(%s_table)" 70 "/sizeof(%s_table[0]);\n\n"; 71 72 void 73 write_tables(void) 74 { 75 list *l; 76 definition *def; 77 78 f_print(fout, "\n"); 79 for (l = defined; l != NULL; l = l->next) { 80 def = (definition *)l->val; 81 if (def->def_kind == DEF_PROGRAM) { 82 write_table(def); 83 } 84 } 85 } 86 87 static void 88 write_table(definition *def) 89 { 90 version_list *vp; 91 proc_list *proc; 92 int current; 93 int expected; 94 char progvers[100]; 95 int warning; 96 97 for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) { 98 warning = 0; 99 (void) snprintf(progvers, sizeof (progvers), "%s_%s", 100 locase(def->def_name), vp->vers_num); 101 /* print the table header */ 102 f_print(fout, tbl_hdr, progvers); 103 104 if (nullproc(vp->procs)) { 105 expected = 0; 106 } else { 107 expected = 1; 108 if (tirpcflag) 109 f_print(fout, null_entry); 110 else 111 f_print(fout, null_entry_b); 112 } 113 for (proc = vp->procs; proc != NULL; proc = proc->next) { 114 current = atoi(proc->proc_num); 115 if (current != expected++) { 116 f_print(fout, 117 "\n/*\n * WARNING: table out of order\n */\n"); 118 if (warning == 0) { 119 f_print(stderr, 120 "WARNING %s table is out of order\n", 121 progvers); 122 warning = 1; 123 nonfatalerrors = 1; 124 } 125 expected = current + 1; 126 } 127 if (tirpcflag) 128 f_print(fout, 129 "\n\t(void *(*)())RPCGEN_ACTION("); 130 else 131 f_print(fout, 132 "\n\t(char *(*)())RPCGEN_ACTION("); 133 134 /* routine to invoke */ 135 if (Cflag && !newstyle) 136 pvname_svc(proc->proc_name, vp->vers_num); 137 else { 138 if (newstyle) /* calls internal func */ 139 f_print(fout, "_"); 140 pvname(proc->proc_name, vp->vers_num); 141 } 142 f_print(fout, "),\n"); 143 144 /* argument info */ 145 if (proc->arg_num > 1) 146 printit(NULL, proc->args.argname); 147 else 148 /* do we have to do something special for newstyle */ 149 printit(proc->args.decls->decl.prefix, 150 proc->args.decls->decl.type); 151 /* result info */ 152 printit(proc->res_prefix, proc->res_type); 153 } 154 155 /* print the table trailer */ 156 f_print(fout, tbl_end); 157 f_print(fout, tbl_nproc, progvers, progvers, progvers); 158 } 159 } 160 161 static void 162 printit(char *prefix, char *type) 163 { 164 int len; 165 int tabs; 166 167 168 if (streq(type, "oneway")) 169 len = fprintf(fout, "\t(xdrproc_t)xdr_void,"); 170 else 171 len = fprintf(fout, "\t(xdrproc_t)xdr_%s,", stringfix(type)); 172 /* account for leading tab expansion */ 173 len += TABSIZE - 1; 174 if (len >= TABSTOP) { 175 f_print(fout, "\n"); 176 len = 0; 177 } 178 /* round up to tabs required */ 179 tabs = (TABSTOP - len + TABSIZE - 1)/TABSIZE; 180 f_print(fout, "%s", &tabstr[TABCOUNT-tabs]); 181 182 if (streq(type, "void") || streq(type, "oneway")) { 183 f_print(fout, "0"); 184 } else { 185 f_print(fout, "sizeof ( "); 186 /* XXX: should "follow" be 1 ??? */ 187 ptype(prefix, type, 0); 188 f_print(fout, ")"); 189 } 190 f_print(fout, ",\n"); 191 } 192