1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright (c) 1997-2001 by Sun Microsystems, Inc. 24*7c478bd9Sstevel@tonic-gate * All rights reserved. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate #include <stdio.h> 31*7c478bd9Sstevel@tonic-gate #include <stdlib.h> 32*7c478bd9Sstevel@tonic-gate #include <link.h> 33*7c478bd9Sstevel@tonic-gate 34*7c478bd9Sstevel@tonic-gate #include "env.h" 35*7c478bd9Sstevel@tonic-gate 36*7c478bd9Sstevel@tonic-gate static Elist *bindto_list = 0; 37*7c478bd9Sstevel@tonic-gate static Elist *bindfrom_list = 0; 38*7c478bd9Sstevel@tonic-gate static FILE *output = stdout; 39*7c478bd9Sstevel@tonic-gate 40*7c478bd9Sstevel@tonic-gate 41*7c478bd9Sstevel@tonic-gate uint_t 42*7c478bd9Sstevel@tonic-gate la_version(uint_t version) 43*7c478bd9Sstevel@tonic-gate { 44*7c478bd9Sstevel@tonic-gate if (version < LAV_CURRENT) { 45*7c478bd9Sstevel@tonic-gate (void) fprintf(stderr, 46*7c478bd9Sstevel@tonic-gate "symbindrep.so: unexpected version: %d\n", 47*7c478bd9Sstevel@tonic-gate version); 48*7c478bd9Sstevel@tonic-gate return (0); 49*7c478bd9Sstevel@tonic-gate } 50*7c478bd9Sstevel@tonic-gate 51*7c478bd9Sstevel@tonic-gate build_env_list(&bindto_list, (const char *)"SYMBINDREP_BINDTO"); 52*7c478bd9Sstevel@tonic-gate build_env_list(&bindfrom_list, (const char *)"SYMBINDREP_BINDFROM"); 53*7c478bd9Sstevel@tonic-gate 54*7c478bd9Sstevel@tonic-gate (void) fprintf(output, 55*7c478bd9Sstevel@tonic-gate #ifdef _LP64 56*7c478bd9Sstevel@tonic-gate " Symbol Bindings\n\n" 57*7c478bd9Sstevel@tonic-gate "Referencing Defining\n" 58*7c478bd9Sstevel@tonic-gate "Object Object Symbol\n" 59*7c478bd9Sstevel@tonic-gate /* CSTYLED */ 60*7c478bd9Sstevel@tonic-gate "----------------------------------------------------------------------------------\n"); 61*7c478bd9Sstevel@tonic-gate #else 62*7c478bd9Sstevel@tonic-gate " Symbol Bindings\n\n" 63*7c478bd9Sstevel@tonic-gate "Referencing Defining\n" 64*7c478bd9Sstevel@tonic-gate "Object Object Symbol\n" 65*7c478bd9Sstevel@tonic-gate "------------------------------------------------------------------\n"); 66*7c478bd9Sstevel@tonic-gate #endif 67*7c478bd9Sstevel@tonic-gate return (LAV_CURRENT); 68*7c478bd9Sstevel@tonic-gate } 69*7c478bd9Sstevel@tonic-gate 70*7c478bd9Sstevel@tonic-gate 71*7c478bd9Sstevel@tonic-gate /* ARGSUSED1 */ 72*7c478bd9Sstevel@tonic-gate uint_t 73*7c478bd9Sstevel@tonic-gate la_objopen(Link_map *lmp, Lmid_t lmid, uintptr_t *cookie) 74*7c478bd9Sstevel@tonic-gate { 75*7c478bd9Sstevel@tonic-gate uint_t flags; 76*7c478bd9Sstevel@tonic-gate 77*7c478bd9Sstevel@tonic-gate if ((bindto_list == 0) || 78*7c478bd9Sstevel@tonic-gate (check_list(bindto_list, lmp->l_name))) 79*7c478bd9Sstevel@tonic-gate flags = LA_FLG_BINDTO; 80*7c478bd9Sstevel@tonic-gate else 81*7c478bd9Sstevel@tonic-gate flags = 0; 82*7c478bd9Sstevel@tonic-gate 83*7c478bd9Sstevel@tonic-gate if ((bindfrom_list == 0) || 84*7c478bd9Sstevel@tonic-gate (check_list(bindfrom_list, lmp->l_name))) 85*7c478bd9Sstevel@tonic-gate flags |= LA_FLG_BINDFROM; 86*7c478bd9Sstevel@tonic-gate 87*7c478bd9Sstevel@tonic-gate *cookie = (uintptr_t)lmp->l_name; 88*7c478bd9Sstevel@tonic-gate return (flags); 89*7c478bd9Sstevel@tonic-gate } 90*7c478bd9Sstevel@tonic-gate 91*7c478bd9Sstevel@tonic-gate 92*7c478bd9Sstevel@tonic-gate /* ARGSUSED1 */ 93*7c478bd9Sstevel@tonic-gate #if defined(_LP64) 94*7c478bd9Sstevel@tonic-gate uintptr_t 95*7c478bd9Sstevel@tonic-gate la_symbind64(Elf64_Sym *symp, uint_t symndx, uintptr_t *refcook, 96*7c478bd9Sstevel@tonic-gate uintptr_t *defcook, uint_t *sb_flags, const char *sym_name) 97*7c478bd9Sstevel@tonic-gate #else 98*7c478bd9Sstevel@tonic-gate uintptr_t 99*7c478bd9Sstevel@tonic-gate la_symbind32(Elf32_Sym *symp, uint_t symndx, uintptr_t *refcook, 100*7c478bd9Sstevel@tonic-gate uintptr_t *defcook, uint_t *sb_flags) 101*7c478bd9Sstevel@tonic-gate #endif 102*7c478bd9Sstevel@tonic-gate { 103*7c478bd9Sstevel@tonic-gate #if !defined(_LP64) 104*7c478bd9Sstevel@tonic-gate const char *sym_name = (const char *)symp->st_name; 105*7c478bd9Sstevel@tonic-gate #endif 106*7c478bd9Sstevel@tonic-gate 107*7c478bd9Sstevel@tonic-gate (void) fprintf(output, "%-28s %-28s %s\n", (char *)(*refcook), 108*7c478bd9Sstevel@tonic-gate (char *)(*defcook), sym_name); 109*7c478bd9Sstevel@tonic-gate 110*7c478bd9Sstevel@tonic-gate return (symp->st_value); 111*7c478bd9Sstevel@tonic-gate } 112*7c478bd9Sstevel@tonic-gate 113*7c478bd9Sstevel@tonic-gate /* 114*7c478bd9Sstevel@tonic-gate * Since we only want to report on the symbol bindings for this 115*7c478bd9Sstevel@tonic-gate * process and we *do not* want the actual program to run we exit 116*7c478bd9Sstevel@tonic-gate * at this point. 117*7c478bd9Sstevel@tonic-gate */ 118*7c478bd9Sstevel@tonic-gate /* ARGSUSED0 */ 119*7c478bd9Sstevel@tonic-gate void 120*7c478bd9Sstevel@tonic-gate la_preinit(uintptr_t *cookie) 121*7c478bd9Sstevel@tonic-gate { 122*7c478bd9Sstevel@tonic-gate (void) fflush(output); 123*7c478bd9Sstevel@tonic-gate exit(0); 124*7c478bd9Sstevel@tonic-gate } 125