2 * Copyright (c) 1999, 2000 John D. Polstra.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $FreeBSD: src/libexec/rtld-elf/alpha/rtld_machdep.h,v 1.3.2.2 2002/09/02 02:10:20 obrien Exp $
27 * $DragonFly: src/libexec/rtld-elf/alpha/Attic/rtld_machdep.h,v 1.3 2003/09/18 21:22:58 dillon Exp $
30 #ifndef RTLD_MACHDEP_H
31 #define RTLD_MACHDEP_H 1
33 /* Return the address of the .dynamic section in the dynamic linker. */
34 #define rtld_dynamic(obj) (&_DYNAMIC)
36 void reloc_jmpslot(Elf_Addr *, Elf_Addr);
38 /* Lazy binding entry point, called via PLT. */
39 void _rtld_bind_start_old(void);
41 /* Atomic operations. */
42 int cmp0_and_store_int(volatile int *, int);
43 void atomic_add_int(volatile int *, int);
44 void atomic_incr_int(volatile int *);
45 void atomic_decr_int(volatile int *);
47 static inline u_int32_t
48 uniqid_hash_block(u_int32_t hash, u_int32_t key, u_int32_t block)
50 return ((u_int64_t)hash * key + block) % 0xfffffffb;