/*-
 * Copyright (c) 1999, 2000 John D. Polstra.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD: src/libexec/rtld-elf/alpha/rtld_machdep.h,v 1.3.2.2 2002/09/02 02:10:20 obrien Exp $
 * $DragonFly: src/libexec/rtld-elf/alpha/Attic/rtld_machdep.h,v 1.3 2003/09/18 21:22:58 dillon Exp $
 */

#ifndef RTLD_MACHDEP_H
#define RTLD_MACHDEP_H	1

/* Return the address of the .dynamic section in the dynamic linker. */
#define rtld_dynamic(obj)	(&_DYNAMIC)

void reloc_jmpslot(Elf_Addr *, Elf_Addr);

/* Lazy binding entry point, called via PLT. */
void _rtld_bind_start_old(void);

/* Atomic operations. */
int cmp0_and_store_int(volatile int *, int);
void atomic_add_int(volatile int *, int);
void atomic_incr_int(volatile int *);
void atomic_decr_int(volatile int *);

static inline u_int32_t
uniqid_hash_block(u_int32_t hash, u_int32_t key, u_int32_t block)
{
    return ((u_int64_t)hash * key + block) % 0xfffffffb;
}

#endif