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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1996, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#include <stdio.h>
#include <stdlib.h>
#include <link.h>
#include "env.h"
static Elist *bindto_list = NULL;
static Elist *bindfrom_list = NULL;
static FILE *output = stdout;
uint_t
la_version(uint_t version)
{
if (version < LAV_CURRENT) {
(void) fprintf(stderr,
"symbindrep.so: unexpected version: %d\n", version);
return (0);
}
build_env_list(&bindto_list, (const char *)"SYMBINDREP_BINDTO");
build_env_list(&bindfrom_list, (const char *)"SYMBINDREP_BINDFROM");
#ifdef _LP64
(void) fprintf(output,
" Symbol Bindings\n\n"
"Referencing Defining\n"
"Object Object Symbol\n"
"---------------------------------------------------------------"
"-------------------\n");
#else
(void) fprintf(output,
" Symbol Bindings\n\n"
"Referencing Defining\n"
"Object Object Symbol\n"
"---------------------------------------------------------------"
"---\n");
#endif
return (LAV_CURRENT);
}
/* ARGSUSED1 */
uint_t
la_objopen(Link_map *lmp, Lmid_t lmid, uintptr_t *cookie)
{
uint_t flags;
if ((bindto_list == NULL) ||
(check_list(bindto_list, lmp->l_name)))
flags = LA_FLG_BINDTO;
else
flags = 0;
if ((bindfrom_list == NULL) ||
(check_list(bindfrom_list, lmp->l_name)))
flags |= LA_FLG_BINDFROM;
*cookie = (uintptr_t)lmp->l_name;
return (flags);
}
/* ARGSUSED1 */
#if defined(_LP64)
uintptr_t
la_symbind64(Elf64_Sym *symp, uint_t symndx, uintptr_t *refcook,
uintptr_t *defcook, uint_t *sb_flags, const char *sym_name)
#else
uintptr_t
la_symbind32(Elf32_Sym *symp, uint_t symndx, uintptr_t *refcook,
uintptr_t *defcook, uint_t *sb_flags)
#endif
{
#if !defined(_LP64)
const char *sym_name = (const char *)symp->st_name;
#endif
(void) fprintf(output, "%-28s %-28s %s\n", (char *)(*refcook),
(char *)(*defcook), sym_name);
return (symp->st_value);
}
/*
* Since we only want to report on the symbol bindings for this
* process and we *do not* want the actual program to run we exit
* at this point.
*/
/* ARGSUSED0 */
void
la_preinit(uintptr_t *cookie)
{
(void) fflush(output);
exit(0);
}
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