elf.h revision 84783
1/*- 2 * Copyright (c) 2001 David E. O'Brien 3 * Copyright (c) 1996-1997 John D. Polstra. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: head/sys/arm/include/elf.h 84783 2001-10-10 23:06:54Z ps $ 28 */ 29 30#ifndef _MACHINE_ELF_H_ 31#define _MACHINE_ELF_H_ 1 32 33/* 34 * EABI ELF definitions for the StrongARM architecture. 35 * See "ARM ELF", document no. `SWS ESPC 0003 A-08' for details. 36 */ 37 38#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */ 39 40#define __ELF_WORD_SIZE 32 /* Used by <sys/elf_generic.h> */ 41#include <sys/elf_generic.h> 42 43#define ELF_ARCH EM_ARM 44 45#define ELF_MACHINE_OK(x) ((x) == EM_ARM) 46 47/* 48 * Relocation types. 49 */ 50 51#define R_ARM_NONE 0 /* No relocation. */ 52#define R_ARM_PC24 1 53#define R_ARM_ABS32 2 54#define R_ARM_REL32 3 55#define R_ARM_PC13 4 56#define R_ARM_ABS16 5 57#define R_ARM_ABS12 6 58#define R_ARM_THM_ABS5 7 59#define R_ARM_ABS8 8 60#define R_ARM_SBREL32 9 61#define R_ARM_THM_PC22 10 62#define R_ARM_THM_PC8 11 63#define R_ARM_AMP_VCALL9 12 64#define R_ARM_SWI24 13 65#define R_ARM_THM_SWI8 14 66#define R_ARM_XPC25 15 67#define R_ARM_THM_XPC22 16 68#define R_ARM_COPY 20 /* Copy data from shared object. */ 69#define R_ARM_GLOB_DAT 21 /* Set GOT entry to data address. */ 70#define R_ARM_JUMP_SLOT 22 /* Set GOT entry to code address. */ 71#define R_ARM_RELATIVE 23 /* Add load address of shared object. */ 72#define R_ARM_GOTOFF 24 /* Add GOT-relative symbol address. * 73#define R_ARM_GOTPC 25 /* Add PC-relative GOT table address. */ 74#define R_ARM_GOT32 26 /* Add PC-relative GOT offset. */ 75#define R_ARM_PLT32 27 /* Add PC-relative PLT offset. */ 76#define R_ARM_GNU_VTENTRY 100 77#define R_ARM_GNU_VTINHERIT 101 78#define R_ARM_RSBREL32 250 79#define R_ARM_THM_RPC22 251 80#define R_ARM_RREL32 252 81#define R_ARM_RABS32 253 82#define R_ARM_RPC24 254 83#define R_ARM_RBASE 255 84 85#define R_ARM_COUNT 33 /* Count of defined relocation types. */ 86 87 88/* Define "machine" characteristics */ 89#define ELF_TARG_CLASS ELFCLASS32 90#define ELF_TARG_DATA ELFDATA2LSB 91#define ELF_TARG_MACH EM_ARM 92#define ELF_TARG_VER 1 93 94#ifdef _KERNEL 95 96/* 97 * On the StrongARM we load the dynamic linker where a userland call 98 * to mmap(0, ...) would put it. The rationale behind this 99 * calculation is that it leaves room for the heap to grow to 100 * its maximum allowed size. 101 */ 102#define ELF_RTLD_ADDR(vmspace) \ 103 (round_page((vm_offset_t)(vmspace)->vm_daddr + maxdsiz)) 104 105#endif /* _KERNEL */ 106#endif /* !_MACHINE_ELF_H_ */ 107