libelf/common/gelf.c

	gelf.c revision 30da143285931291f495cc20b5a1b8869f0618a6
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * CDDL HEADER START
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov *
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov * The contents of this file are subject to the terms of the
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Common Development and Distribution License, Version 1.0 only
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * (the "License").  You may not use this file except in compliance
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * with the License.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * or http://www.opensolaris.org/os/licensing.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * See the License for the specific language governing permissions
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * and limitations under the License.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * When distributing Covered Code, include this CDDL HEADER in each
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * If applicable, add the following below this CDDL HEADER, with the
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * fields enclosed by brackets "[]" replaced with your own identifying
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * information: Portions Copyright [yyyy] [name of copyright owner]
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * CDDL HEADER END
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Use is subject to license terms.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#pragma ident   "%Z%%M% %I% %E% SMI"
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include <string.h>
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include "gelf.h"
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#include "decl.h"
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov#include "msg.h"
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Find elf or it's class from a pointer to an Elf_Data struct.
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Warning:  this Assumes that the Elf_Data is part of a libelf
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * Dnode structure, which is expected to be true for any Elf_Data
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore * passed into libelf *except* for the xlatetof() and xlatetom() functions.
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore */
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore#define EDATA_CLASS(edata) \
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    (((Dnode *)(edata))->db_scn->s_elf->ed_class)
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore#define EDATA_ELF(edata) \
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    (((Dnode *)(edata))->db_scn->s_elf)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#define EDATA_SCN(edata) \
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    (((Dnode *)(edata))->db_scn)
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore#define EDATA_READLOCKS(edata) \
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    READLOCKS(EDATA_ELF((edata)), EDATA_SCN((edata)))
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore#define EDATA_READUNLOCKS(edata) \
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    READUNLOCKS(EDATA_ELF((edata)), EDATA_SCN((edata)))
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amoresize_t
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amoregelf_fsize(Elf * elf, Elf_Type type, size_t count, unsigned ver)
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore{
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    int class;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    if (elf == NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (0);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    class = gelf_getclass(elf);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    if (class == ELFCLASS32)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (elf32_fsize(type, count, ver));
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    else if (class == ELFCLASS64)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (elf64_fsize(type, count, ver));
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    _elf_seterr(EREQ_CLASS, 0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amoreint
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoregelf_getclass(Elf *elf)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    if (elf == NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    /*
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore     * Don't rely on the idents, a new ehdr doesn't have it!
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov     */
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    return (elf->ed_class);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'AmoreGElf_Ehdr *
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amoregelf_getehdr(Elf *elf, GElf_Ehdr *dst)
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore{
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    int class;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    if (elf == NULL)
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        return (NULL);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    class = gelf_getclass(elf);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    if (class == ELFCLASS32) {
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        Elf32_Ehdr * e      = elf32_getehdr(elf);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        if (e == NULL)
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore            return (NULL);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        ELFRLOCK(elf);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        (void) memcpy(dst->e_ident, e->e_ident, EI_NIDENT);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        dst->e_type     = e->e_type;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        dst->e_machine      = e->e_machine;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->e_version      = e->e_version;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->e_entry        = (Elf64_Addr)e->e_entry;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->e_phoff        = (Elf64_Off)e->e_phoff;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->e_shoff        = (Elf64_Off)e->e_shoff;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        dst->e_flags        = e->e_flags;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        dst->e_ehsize       = e->e_ehsize;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        dst->e_phentsize    = e->e_phentsize;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        dst->e_phnum        = e->e_phnum;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        dst->e_shentsize    = e->e_shentsize;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        dst->e_shnum        = e->e_shnum;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        dst->e_shstrndx     = e->e_shstrndx;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        ELFUNLOCK(elf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (dst);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    } else if (class == ELFCLASS64) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        Elf64_Ehdr * e      = elf64_getehdr(elf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        if (e == NULL)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov            return (NULL);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        ELFRLOCK(elf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        *dst            = *e;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        ELFUNLOCK(elf);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (dst);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    _elf_seterr(EREQ_CLASS, 0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    return (NULL);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreint
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoregelf_update_ehdr(Elf *elf, GElf_Ehdr *src)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    int class;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    if (elf == NULL)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        return (0);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    /*
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov     * In case elf isn't cooked.
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov     */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    class = gelf_getclass(elf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    if (class == ELFCLASSNONE)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        class = src->e_ident[EI_CLASS];
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    if (class == ELFCLASS32) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        Elf32_Ehdr * d  = elf32_getehdr(elf);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        if (d == NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore            return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        ELFWLOCK(elf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        (void) memcpy(d->e_ident, src->e_ident, EI_NIDENT);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        d->e_type   = src->e_type;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        d->e_machine    = src->e_machine;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        d->e_version    = src->e_version;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        /* LINTED */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        d->e_entry  = (Elf32_Addr)src->e_entry;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        /* LINTED */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        d->e_phoff  = (Elf32_Off)src->e_phoff;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        /* LINTED */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        d->e_shoff  = (Elf32_Off)src->e_shoff;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        /* could memcpy the rest of these... */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        d->e_flags  = src->e_flags;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        d->e_ehsize = src->e_ehsize;
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        d->e_phentsize  = src->e_phentsize;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        d->e_phnum  = src->e_phnum;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        d->e_shentsize  = src->e_shentsize;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        d->e_shnum  = src->e_shnum;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        d->e_shstrndx   = src->e_shstrndx;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        ELFUNLOCK(elf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    } else if (class == ELFCLASS64) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        Elf64_Ehdr * d  = elf64_getehdr(elf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        if (d == NULL)
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore            return (0);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        ELFWLOCK(elf);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        *d      = *(Elf64_Ehdr *)src;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        ELFUNLOCK(elf);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        return (1);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    _elf_seterr(EREQ_CLASS, 0);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreunsigned long
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankovgelf_newehdr(Elf *elf, int class)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    if (elf == NULL)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    if (class == ELFCLASS32)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return ((unsigned long)elf32_newehdr(elf));
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    else if (class == ELFCLASS64)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        return ((unsigned long)elf64_newehdr(elf));
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    _elf_seterr(EREQ_CLASS, 0);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    return (0);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore}
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri PankovGElf_Phdr *
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amoregelf_getphdr(Elf *elf, int ndx, GElf_Phdr *dst)
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    int     class;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    size_t      phnum;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    if (elf == NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (NULL);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    if (elf_getphnum(elf, &phnum) == 0)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        return (NULL);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    if (phnum <= ndx) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        _elf_seterr(EREQ_RAND, 0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (NULL);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    class = gelf_getclass(elf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    if ((class != ELFCLASS32) && (class != ELFCLASS64)) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        _elf_seterr(EREQ_CLASS, 0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (NULL);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    if (class == ELFCLASS32) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        Elf32_Phdr *p   = &((Elf32_Phdr *)elf32_getphdr(elf))[ndx];
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        ELFRLOCK(elf);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        dst->p_type = p->p_type;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        dst->p_flags    = p->p_flags;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->p_offset   = (Elf64_Off)p->p_offset;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->p_vaddr    = (Elf64_Addr)p->p_vaddr;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->p_paddr    = (Elf64_Addr)p->p_paddr;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->p_filesz   = (Elf64_Xword)p->p_filesz;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->p_memsz    = (Elf64_Xword)p->p_memsz;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->p_align    = (Elf64_Xword)p->p_align;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        ELFUNLOCK(elf);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    } else if (class == ELFCLASS64) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        Elf64_Phdr *phdrs = elf64_getphdr(elf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        ELFRLOCK(elf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        *dst = ((GElf_Phdr *)phdrs)[ndx];
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        ELFUNLOCK(elf);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    }
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    return (dst);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov}
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amoreint
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankovgelf_update_phdr(Elf *elf, int ndx, GElf_Phdr *src)
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore{
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    int     class;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    size_t      phnum;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    if (elf == NULL)
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        return (0);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    if (elf_getphnum(elf, &phnum) == 0)
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        return (NULL);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    if (phnum < ndx) {
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        _elf_seterr(EREQ_RAND, 0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    class = gelf_getclass(elf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    if (class == ELFCLASS32) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        Elf32_Phdr *dst = &((Elf32_Phdr *)elf32_getphdr(elf))[ndx];
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        ELFWLOCK(elf);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        dst->p_type = src->p_type;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        dst->p_flags    = src->p_flags;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        /* LINTED */
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        dst->p_offset   = (Elf32_Off)src->p_offset;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        /* LINTED */
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        dst->p_vaddr    = (Elf32_Addr)src->p_vaddr;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        /* LINTED */
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        dst->p_paddr    = (Elf32_Addr)src->p_paddr;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        /* LINTED */
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        dst->p_filesz   = (Elf32_Word)src->p_filesz;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        /* LINTED */
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        dst->p_memsz    = (Elf32_Word)src->p_memsz;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        /* LINTED */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->p_align    = (Elf32_Word)src->p_align;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        ELFUNLOCK(elf);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    } else if (class == ELFCLASS64) {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        Elf64_Phdr *dst = elf64_getphdr(elf);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        ELFWLOCK(elf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst[ndx] = *(GElf_Phdr *)src;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        ELFUNLOCK(elf);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    } else {
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        _elf_seterr(EREQ_CLASS, 0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    }
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    return (1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankovunsigned long
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoregelf_newphdr(Elf *elf, size_t phnum)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    int class;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    if (elf == NULL)
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    class = gelf_getclass(elf);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    if (class == ELFCLASS32)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        return ((unsigned long)elf32_newphdr(elf, phnum));
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    else if (class == ELFCLASS64)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        return ((unsigned long)elf64_newphdr(elf, phnum));
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    _elf_seterr(EREQ_CLASS, 0);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    return (0);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov}
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri PankovGElf_Shdr *
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankovgelf_getshdr(Elf_Scn *scn,  GElf_Shdr *dst)
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov{
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    if (scn == NULL)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        return (NULL);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    if (scn->s_elf->ed_class == ELFCLASS32) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        Elf32_Shdr *s       = elf32_getshdr(scn);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        if (s == NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore            return (NULL);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        READLOCKS(scn->s_elf, scn);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->sh_name        = s->sh_name;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->sh_type        = s->sh_type;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->sh_flags       = (Elf64_Xword)s->sh_flags;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->sh_addr        = (Elf64_Addr)s->sh_addr;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->sh_offset      = (Elf64_Off)s->sh_offset;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->sh_size        = (Elf64_Xword)s->sh_size;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        dst->sh_link        = s->sh_link;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->sh_info        = s->sh_info;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->sh_addralign   = (Elf64_Xword)s->sh_addralign;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        dst->sh_entsize     = (Elf64_Xword)s->sh_entsize;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        READUNLOCKS(scn->s_elf, scn);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (dst);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    } else if (scn->s_elf->ed_class == ELFCLASS64) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        Elf64_Shdr *s       = elf64_getshdr(scn);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        if (s == NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore            return (NULL);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        READLOCKS(scn->s_elf, scn);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        *dst            = *(Elf64_Shdr *)s;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        READUNLOCKS(scn->s_elf, scn);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        return (dst);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    _elf_seterr(EREQ_CLASS, 0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    return (NULL);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore}
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amoreint
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amoregelf_update_shdr(Elf_Scn *scn, GElf_Shdr *src)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    if (scn == NULL)
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore    if (scn->s_elf->ed_class == ELFCLASS32) {
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        Elf32_Shdr *dst = elf32_getshdr(scn);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        if (dst == NULL)
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore            return (0);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        ELFWLOCK(scn->s_elf);
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        dst->sh_name        = src->sh_name;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        dst->sh_type        = src->sh_type;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        /* LINTED */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->sh_flags       = (Elf32_Word)src->sh_flags;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        /* LINTED */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        dst->sh_addr        = (Elf32_Addr)src->sh_addr;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        /* LINTED */
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        dst->sh_offset      = (Elf32_Off) src->sh_offset;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        /* LINTED */
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        dst->sh_size        = (Elf32_Word)src->sh_size;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        dst->sh_link        = src->sh_link;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        dst->sh_info        = src->sh_info;
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore        /* LINTED */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->sh_addralign   = (Elf32_Word)src->sh_addralign;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        /* LINTED */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->sh_entsize     = (Elf32_Word)src->sh_entsize;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        ELFUNLOCK(scn->s_elf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    } else if (scn->s_elf->ed_class == ELFCLASS64) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        Elf64_Shdr * dst    = elf64_getshdr(scn);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        if (dst == NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore            return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        ELFWLOCK(scn->s_elf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        *dst            = *(Elf64_Shdr *)src;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        ELFUNLOCK(scn->s_elf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (1);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    _elf_seterr(EREQ_CLASS, 0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
698f87a48e2e945bfe5493ce168e0d0ae1cedd5cGarrett D'Amore/*
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * gelf_xlatetof/gelf_xlatetom use 'elf' to find the class
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * because these are the odd case where the Elf_Data structs
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * might not have been allocated by libelf (and therefore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore * don't have Dnode's associated with them).
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'AmoreElf_Data *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoregelf_xlatetof(Elf *elf, Elf_Data *dst, const Elf_Data *src, unsigned encode)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    int class;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    if ((elf == NULL) || (dst == NULL) || (src == NULL))
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        return (NULL);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    class = gelf_getclass(elf);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    if (class == ELFCLASS32)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (elf32_xlatetof(dst, src, encode));
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    else if (class == ELFCLASS64)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (elf64_xlatetof(dst, src, encode));
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    _elf_seterr(EREQ_CLASS, 0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    return (NULL);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'AmoreElf_Data *
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankovgelf_xlatetom(Elf *elf, Elf_Data *dst, const Elf_Data *src, unsigned encode)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    int class;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    if ((elf == NULL) || (dst == NULL) || (src == NULL))
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        return (NULL);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    class = gelf_getclass(elf);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    if (class == ELFCLASS32)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (elf32_xlatetom(dst, src, encode));
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    else if (class == ELFCLASS64)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (elf64_xlatetom(dst, src, encode));
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    _elf_seterr(EREQ_CLASS, 0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    return (NULL);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'AmoreGElf_Sym *
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoregelf_getsym(Elf_Data * data, int ndx, GElf_Sym * dst)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov{
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    int class;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    size_t  entsize;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    if (data == NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (NULL);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    class = EDATA_CLASS(data);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    if (class == ELFCLASS32)
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        entsize = sizeof (Elf32_Sym);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    else if (class == ELFCLASS64)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        entsize = sizeof (GElf_Sym);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    else {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        _elf_seterr(EREQ_CLASS, 0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (NULL);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    }
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    EDATA_READLOCKS(data);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    if ((entsize * ndx) > data->d_size) {
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        _elf_seterr(EREQ_RAND, 0);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        dst = NULL;
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    } else if (class == ELFCLASS32) {
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        Elf32_Sym   *s;
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        s       = &(((Elf32_Sym *)data->d_buf)[ndx]);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        dst->st_name    = s->st_name;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->st_value   = (Elf64_Addr)s->st_value;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->st_size    = (Elf64_Xword)s->st_size;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->st_info    = ELF64_ST_INFO(ELF32_ST_BIND(s->st_info),
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov                    ELF32_ST_TYPE(s->st_info));
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->st_other   = s->st_other;
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        dst->st_shndx   = s->st_shndx;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    } else
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        *dst = ((GElf_Sym *)data->d_buf)[ndx];
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    EDATA_READUNLOCKS(data);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    return (dst);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreint
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoregelf_update_sym(Elf_Data *dst, int ndx, GElf_Sym *src)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    int class, rc = 1;
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    size_t  entsize;
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    if (dst == NULL)
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    class = EDATA_CLASS(dst);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    if (class == ELFCLASS32)
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        entsize = sizeof (Elf32_Sym);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    else if (class == ELFCLASS64)
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        entsize = sizeof (GElf_Sym);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    else {
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        _elf_seterr(EREQ_CLASS, 0);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        return (0);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    }
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    ELFWLOCK(EDATA_ELF(dst));
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    if ((entsize * ndx) > dst->d_size) {
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        _elf_seterr(EREQ_RAND, 0);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        rc = 0;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    } else if (class == ELFCLASS32) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        Elf32_Sym * d;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        d       = &(((Elf32_Sym *)dst->d_buf)[ndx]);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        d->st_name  = src->st_name;
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        /* LINTED */
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        d->st_value = (Elf32_Addr)src->st_value;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        /* LINTED */
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        d->st_size  = (Elf32_Word)src->st_size;
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        d->st_info  = ELF32_ST_INFO(ELF64_ST_BIND(src->st_info),
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore                    ELF64_ST_TYPE(src->st_info));
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        d->st_other = src->st_other;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        d->st_shndx = src->st_shndx;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    } else
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        ((Elf64_Sym *)dst->d_buf)[ndx] = *((Elf64_Sym *)src);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    ELFUNLOCK(EDATA_ELF(dst));
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    return (rc);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri PankovGElf_Syminfo *
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankovgelf_getsyminfo(Elf_Data *data, int ndx, GElf_Syminfo *dst)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    int class;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    size_t  entsize;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov    if (data == NULL)
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov        return (NULL);
260e9a87725c090ba5835b1f9f0b62fa2f96036fYuri Pankov
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    class = EDATA_CLASS(data);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    if (class == ELFCLASS32)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        entsize = sizeof (Elf32_Syminfo);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    else if (class == ELFCLASS64)
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov        entsize = sizeof (GElf_Syminfo);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    else {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        _elf_seterr(EREQ_CLASS, 0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (NULL);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    }
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    EDATA_READLOCKS(data);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    if ((entsize * ndx) > data->d_size) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        _elf_seterr(EREQ_RAND, 0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst = NULL;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    } else if (class == ELFCLASS32) {
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        Elf32_Syminfo * si;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        si      = &(((Elf32_Syminfo *)data->d_buf)[ndx]);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->si_boundto = si->si_boundto;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        dst->si_flags   = si->si_flags;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    } else
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        *dst        = ((GElf_Syminfo *)data->d_buf)[ndx];
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    EDATA_READUNLOCKS(data);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    return (dst);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore}
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoreint
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amoregelf_update_syminfo(Elf_Data *dst, int ndx, GElf_Syminfo *src)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore{
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    int class, rc = 1;
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    size_t  entsize;
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    if (dst == NULL)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        return (0);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    class = EDATA_CLASS(dst);
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore    if (class == ELFCLASS32)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        entsize = sizeof (Elf32_Syminfo);
371584c2eae4cf827fd406ba26c14f021adaaa70Yuri Pankov    else if (class == ELFCLASS64)
95c635efb7c3b86efc493e0447eaec7aecca3f0fGarrett D'Amore        entsize = sizeof (GElf_Syminfo);
    else {
        _elf_seterr(EREQ_CLASS, 0);
        return (0);
    }
    ELFWLOCK(EDATA_ELF(dst));

    if ((entsize * ndx) > dst->d_size) {
        _elf_seterr(EREQ_RAND, 0);
        rc = 0;
    } else if (class == ELFCLASS32) {
        Elf32_Syminfo * d   = &(((Elf32_Syminfo *)dst->d_buf)[ndx]);
        d->si_boundto       = src->si_boundto;
        d->si_flags     = src->si_flags;
    } else
        ((Elf64_Syminfo *)dst->d_buf)[ndx] = *((Elf64_Syminfo *)src);

    ELFUNLOCK(EDATA_ELF(dst));
    return (rc);
}

GElf_Dyn *
gelf_getdyn(Elf_Data *data, int ndx, GElf_Dyn *dst)
{
    int class;
    size_t  entsize;

    if (data == NULL)
        return (NULL);

    class = EDATA_CLASS(data);
    if (class == ELFCLASS32)
        entsize = sizeof (Elf32_Dyn);
    else if (class == ELFCLASS64)
        entsize = sizeof (GElf_Dyn);
    else {
        _elf_seterr(EREQ_CLASS, 0);
        return (NULL);
    }
    EDATA_READLOCKS(data);

    if ((entsize * ndx) > data->d_size) {
        _elf_seterr(EREQ_RAND, 0);
        dst = NULL;
    } else if (class == ELFCLASS32) {
        Elf32_Dyn * d = &((Elf32_Dyn *)data->d_buf)[ndx];

        dst->d_tag  = (Elf32_Sword)d->d_tag;
        dst->d_un.d_val = (Elf32_Word) d->d_un.d_val;
    } else
        *dst = ((Elf64_Dyn *)data->d_buf)[ndx];

    EDATA_READUNLOCKS(data);
    return (dst);
}


int
gelf_update_dyn(Elf_Data *dst, int ndx, GElf_Dyn *src)
{
    int class, rc = 1;
    size_t  entsize;

    if (dst == NULL)
        return (0);

    class = EDATA_CLASS(dst);
    if (class == ELFCLASS32)
        entsize = sizeof (Elf32_Dyn);
    else if (class == ELFCLASS64)
        entsize = sizeof (GElf_Dyn);
    else {
        _elf_seterr(EREQ_CLASS, 0);
        return (0);
    }
    ELFWLOCK(EDATA_ELF(dst));

    if ((entsize * ndx) > dst->d_size) {
        _elf_seterr(EREQ_RAND, 0);
        rc = 0;
    } else if (class == ELFCLASS32) {
        Elf32_Dyn * d = &((Elf32_Dyn *)dst->d_buf)[ndx];

        /* LINTED */
        d->d_tag    = (Elf32_Word)src->d_tag;
        /* LINTED */
        d->d_un.d_val   = (Elf32_Word)src->d_un.d_val;
    } else
        ((Elf64_Dyn *)dst->d_buf)[ndx] = *(Elf64_Dyn*)src;

    ELFUNLOCK(EDATA_ELF(dst));
    return (rc);
}


GElf_Sym *
gelf_getsymshndx(Elf_Data *symdata, Elf_Data *shndxdata,
    int ndx, GElf_Sym *symptr, Elf32_Word *xshndx)
{
    if (gelf_getsym(symdata, ndx, symptr) == 0)
        return (NULL);
    if (shndxdata && xshndx) {
        EDATA_READLOCKS(shndxdata);
        if ((ndx * sizeof (Elf32_Word)) > shndxdata->d_size) {
            _elf_seterr(EREQ_RAND, 0);
            EDATA_READUNLOCKS(shndxdata);
            return (NULL);
        }
        *xshndx = (((Elf32_Word *)shndxdata->d_buf)[ndx]);
        EDATA_READUNLOCKS(shndxdata);
    } else {
        *xshndx = 0;
    }
    return (symptr);
}

int
gelf_update_symshndx(Elf_Data *symdata, Elf_Data *shndxdata,
    int ndx, GElf_Sym *symptr, Elf32_Word xshndx)
{
    if (gelf_update_sym(symdata, ndx, symptr) == 0)
        return (0);
    if (shndxdata) {
        ELFWLOCK(EDATA_ELF(shndxdata));
        if ((ndx * sizeof (Elf32_Word)) > shndxdata->d_size) {
            _elf_seterr(EREQ_RAND, 0);
            ELFUNLOCK(EDATA_ELF(shndxdata));
            return (0);
        }
        ((Elf32_Word *)shndxdata->d_buf)[ndx] = xshndx;
        ELFUNLOCK(EDATA_ELF(shndxdata));
    }
    return (1);
}


GElf_Move *
gelf_getmove(Elf_Data *src, int ndx, GElf_Move *dst)
{
    int class;
    size_t  entsize;

    if (src == NULL)
        return (NULL);

    class = EDATA_CLASS(src);
    if (class == ELFCLASS32)
        entsize = sizeof (Elf32_Move);
    else if (class == ELFCLASS64)
        entsize = sizeof (GElf_Move);
    else {
        _elf_seterr(EREQ_CLASS, 0);
        return (NULL);
    }
    EDATA_READLOCKS(src);

    if ((entsize * ndx) > src->d_size) {
        _elf_seterr(EREQ_RAND, 0);
        dst = NULL;
    } else if (class == ELFCLASS32) {
        Elf32_Move * m = &((Elf32_Move *)src->d_buf)[ndx];

        dst->m_poffset = (Elf64_Word)m->m_poffset;
        dst->m_repeat = (Elf64_Xword)m->m_repeat;
        dst->m_stride = (Elf64_Half)m->m_stride;
        dst->m_value = (Elf64_Xword)m->m_value;
        dst->m_info = ELF64_M_INFO(
            ELF32_M_SYM(m->m_info),
            ELF32_M_SIZE(m->m_info));
    } else
        *dst = ((Elf64_Move *)src->d_buf)[ndx];

    EDATA_READUNLOCKS(src);
    return (dst);
}

int
gelf_update_move(Elf_Data *dest, int ndx, GElf_Move *src)
{
    int class, rc = 1;
    size_t  entsize;

    if (dest == NULL)
        return (0);

    class = EDATA_CLASS(dest);
    if (class == ELFCLASS32)
        entsize = sizeof (Elf32_Move);
    else if (class == ELFCLASS64)
        entsize = sizeof (GElf_Move);
    else {
        _elf_seterr(EREQ_CLASS, 0);
        return (0);
    }
    ELFWLOCK(EDATA_ELF(dest));

    if ((entsize * ndx) > dest->d_size) {
        _elf_seterr(EREQ_RAND, 0);
        rc = 0;
    } else if (class == ELFCLASS32) {
        Elf32_Move * m = &((Elf32_Move *)dest->d_buf)[ndx];

        m->m_poffset = (Elf32_Word)src->m_poffset;
        m->m_repeat = (Elf32_Half)src->m_repeat;
        m->m_stride = (Elf32_Half)src->m_stride;
        m->m_value = (Elf32_Lword)src->m_value;
        m->m_info = (Elf32_Word)ELF32_M_INFO(
                ELF64_M_SYM(src->m_info),
                ELF64_M_SIZE(src->m_info));
    } else
        ((Elf64_Move *)dest->d_buf)[ndx] = *(Elf64_Move *)src;

    ELFUNLOCK(EDATA_ELF(dest));
    return (rc);
}


GElf_Rela *
gelf_getrela(Elf_Data *src, int ndx, GElf_Rela *dst)
{
    int class;
    size_t  entsize;

    if (src == NULL)
        return (NULL);

    class = EDATA_CLASS(src);
    if (class == ELFCLASS32)
        entsize = sizeof (Elf32_Rela);
    else if (class == ELFCLASS64)
        entsize = sizeof (GElf_Rela);
    else {
        _elf_seterr(EREQ_CLASS, 0);
        return (NULL);
    }
    EDATA_READLOCKS(src);

    if ((entsize * ndx) > src->d_size) {
        _elf_seterr(EREQ_RAND, 0);
        dst = NULL;
    } else if (class == ELFCLASS32) {
        Elf32_Rela * r = &((Elf32_Rela *)src->d_buf)[ndx];

        dst->r_offset   = (GElf_Addr)r->r_offset;
        dst->r_addend   = (GElf_Addr)r->r_addend;

        /*
         * Elf32 will never have the extra data field that
         * Elf64's r_info field can have, so ignore it.
         */
        /* LINTED */
        dst->r_info = ELF64_R_INFO(
            ELF32_R_SYM(r->r_info),
            ELF32_R_TYPE(r->r_info));
    } else
        *dst = ((Elf64_Rela *)src->d_buf)[ndx];

    EDATA_READUNLOCKS(src);
    return (dst);
}


int
gelf_update_rela(Elf_Data *dst, int ndx, GElf_Rela *src)
{
    int class, rc = 1;
    size_t  entsize;

    if (dst == NULL)
        return (0);

    class = EDATA_CLASS(dst);
    if (class == ELFCLASS32)
        entsize = sizeof (Elf32_Rela);
    else if (class == ELFCLASS64)
        entsize = sizeof (GElf_Rela);
    else {
        _elf_seterr(EREQ_CLASS, 0);
        return (0);
    }
    ELFWLOCK(EDATA_ELF(dst));

    if ((entsize * ndx) > dst->d_size) {
        _elf_seterr(EREQ_RAND, 0);
        rc = 0;
    } else if (class == ELFCLASS32) {
        Elf32_Rela * r = &((Elf32_Rela *)dst->d_buf)[ndx];

        /* LINTED */
        r->r_offset = (Elf32_Addr) src->r_offset;
        /* LINTED */
        r->r_addend = (Elf32_Sword)src->r_addend;

        /*
         * Elf32 will never have the extra data field that
         * Elf64's r_info field can have, so ignore it.
         */
        /* LINTED */
        r->r_info   = ELF32_R_INFO(
                    ELF64_R_SYM(src->r_info),
                    ELF64_R_TYPE(src->r_info));
    } else
        ((Elf64_Rela *)dst->d_buf)[ndx] = *(Elf64_Rela *)src;

    ELFUNLOCK(EDATA_ELF(dst));

    return (rc);
}


GElf_Rel *
gelf_getrel(Elf_Data *src, int ndx, GElf_Rel *dst)
{
    int class;
    size_t  entsize;

    if (src == NULL)
        return (NULL);

    class = EDATA_CLASS(src);
    if (class == ELFCLASS32)
        entsize = sizeof (Elf32_Rel);
    else if (class == ELFCLASS64)
        entsize = sizeof (GElf_Rel);
    else {
        _elf_seterr(EREQ_CLASS, 0);
        return (NULL);
    }
    EDATA_READLOCKS(src);

    if ((entsize * ndx) > src->d_size) {
        _elf_seterr(EREQ_RAND, 0);
        dst = NULL;
    } else if (class == ELFCLASS32) {
        Elf32_Rel * r = &((Elf32_Rel *)src->d_buf)[ndx];

        dst->r_offset   = (GElf_Addr)r->r_offset;

        /*
         * Elf32 will never have the extra data field that
         * Elf64's r_info field can have, so ignore it.
         */
        /* LINTED */
        dst->r_info = ELF64_R_INFO(ELF32_R_SYM(r->r_info),
                    ELF32_R_TYPE(r->r_info));
    } else
        *dst = ((Elf64_Rel *)src->d_buf)[ndx];

    EDATA_READUNLOCKS(src);
    return (dst);
}


int
gelf_update_rel(Elf_Data *dst, int ndx, GElf_Rel *src)
{
    int class, rc = 1;
    size_t  entsize;

    if (dst == NULL)
        return (0);

    class = EDATA_CLASS(dst);
    if (class == ELFCLASS32)
        entsize = sizeof (Elf32_Rel);
    else if (class == ELFCLASS64)
        entsize = sizeof (GElf_Rel);
    else {
        _elf_seterr(EREQ_CLASS, 0);
        return (0);
    }
    ELFWLOCK(EDATA_ELF(dst));

    if ((entsize * ndx) > dst->d_size) {
        _elf_seterr(EREQ_RAND, 0);
        rc = 0;
    } else if (class == ELFCLASS32) {
        Elf32_Rel * r = &((Elf32_Rel *)dst->d_buf)[ndx];

        /* LINTED */
        r->r_offset = (Elf32_Addr) src->r_offset;

        /*
         * Elf32 will never have the extra data field that
         * Elf64's r_info field can have, so ignore it.
         */
        /* LINTED */
        r->r_info   = ELF32_R_INFO(
                    ELF64_R_SYM(src->r_info),
                    ELF64_R_TYPE(src->r_info));

    } else
        ((Elf64_Rel *)dst->d_buf)[ndx] = *(Elf64_Rel *)src;

    ELFUNLOCK(EDATA_ELF(dst));
    return (rc);
}

long
gelf_checksum(Elf *elf)
{
    int class = gelf_getclass(elf);

    if (class == ELFCLASS32)
        return (elf32_checksum(elf));
    else if (class == ELFCLASS64)
        return (elf64_checksum(elf));

    _elf_seterr(EREQ_CLASS, 0);
    return (0);
}

GElf_Cap *
gelf_getcap(Elf_Data *data, int ndx, GElf_Cap *dst)
{
    int class;
    size_t  entsize;

    if (data == NULL)
        return (NULL);

    class = EDATA_CLASS(data);
    if (class == ELFCLASS32)
        entsize = sizeof (Elf32_Cap);
    else if (class == ELFCLASS64)
        entsize = sizeof (GElf_Cap);
    else {
        _elf_seterr(EREQ_CLASS, 0);
        return (NULL);
    }

    EDATA_READLOCKS(data);

    if ((entsize * ndx) > data->d_size) {
        _elf_seterr(EREQ_RAND, 0);
        dst = NULL;
    } else if (class == ELFCLASS32) {
        Elf32_Cap   *c = &(((Elf32_Cap *)data->d_buf)[ndx]);

        dst->c_tag = (Elf64_Xword)c->c_tag;
        dst->c_un.c_val = (Elf64_Xword)c->c_un.c_val;
    } else
        *dst = ((GElf_Cap *)data->d_buf)[ndx];

    EDATA_READUNLOCKS(data);
    return (dst);
}

int
gelf_update_cap(Elf_Data *dst, int ndx, GElf_Cap *src)
{
    int class, rc = 1;
    size_t  entsize;

    if (dst == NULL)
        return (0);

    class = EDATA_CLASS(dst);
    if (class == ELFCLASS32)
        entsize = sizeof (Elf32_Cap);
    else if (class == ELFCLASS64)
        entsize = sizeof (GElf_Cap);
    else {
        _elf_seterr(EREQ_CLASS, 0);
        return (0);
    }

    ELFWLOCK(EDATA_ELF(dst));

    if ((entsize * ndx) > dst->d_size) {
        _elf_seterr(EREQ_RAND, 0);
        rc = 0;
    } else if (class == ELFCLASS32) {
        Elf32_Cap   *c = &(((Elf32_Cap *)dst->d_buf)[ndx]);

        c->c_tag = (Elf32_Word)src->c_tag;
        c->c_un.c_val = (Elf32_Word)src->c_un.c_val;
    } else
        ((Elf64_Cap *)dst->d_buf)[ndx] = *((Elf64_Cap *)src);

    ELFUNLOCK(EDATA_ELF(dst));
    return (rc);
}