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 }