rtld_machdep.h revision 50476
145501Sjdp/*- 245501Sjdp * Copyright (c) 1999 John D. Polstra. 345501Sjdp * All rights reserved. 445501Sjdp * 545501Sjdp * Redistribution and use in source and binary forms, with or without 645501Sjdp * modification, are permitted provided that the following conditions 745501Sjdp * are met: 845501Sjdp * 1. Redistributions of source code must retain the above copyright 945501Sjdp * notice, this list of conditions and the following disclaimer. 1045501Sjdp * 2. Redistributions in binary form must reproduce the above copyright 1145501Sjdp * notice, this list of conditions and the following disclaimer in the 1245501Sjdp * documentation and/or other materials provided with the distribution. 1345501Sjdp * 1445501Sjdp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1545501Sjdp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1645501Sjdp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1745501Sjdp * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1845501Sjdp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1945501Sjdp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2045501Sjdp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2145501Sjdp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2245501Sjdp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2345501Sjdp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2445501Sjdp * SUCH DAMAGE. 2545501Sjdp * 2650476Speter * $FreeBSD: head/libexec/rtld-elf/amd64/rtld_machdep.h 50476 1999-08-28 00:22:10Z peter $ 2745501Sjdp */ 2845501Sjdp 2945501Sjdp#ifndef RTLD_MACHDEP_H 3045501Sjdp#define RTLD_MACHDEP_H 1 3145501Sjdp 3245501Sjdp/* Return the address of the .dynamic section in the dynamic linker. */ 3345501Sjdp#define rtld_dynamic(obj) \ 3445501Sjdp ((const Elf_Dyn *)((obj)->relocbase + (Elf_Addr)&_DYNAMIC)) 3545501Sjdp 3648205Sjdp/* Fixup the jump slot at "where" to transfer control to "target". */ 3748205Sjdp#define reloc_jmpslot(where, target) \ 3848205Sjdp do { \ 3948205Sjdp dbg("reloc_jmpslot: *%p = %p", (void *)(where), \ 4048205Sjdp (void *)(target)); \ 4148205Sjdp (*(Elf_Addr *)(where) = (Elf_Addr)(target)); \ 4248205Sjdp } while (0) 4348205Sjdp 4445501Sjdp#endif 45