1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2001 David E. O'Brien 5 * Copyright (c) 1996-1997 John D. Polstra. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 #ifndef _MACHINE_ELF_H_ 33 #define _MACHINE_ELF_H_ 1 34 35 /* 36 * EABI ELF definitions for the StrongARM architecture. 37 * See "ARM ELF", document no. `SWS ESPC 0003 A-08' for details. 38 */ 39 40 #include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */ 41 42 #define __ELF_WORD_SIZE 32 /* Used by <sys/elf_generic.h> */ 43 #include <sys/elf_generic.h> 44 45 typedef struct { /* Auxiliary vector entry on initial stack */ 46 int a_type; /* Entry type. */ 47 union { 48 long a_val; /* Integer value. */ 49 void *a_ptr; /* Address. */ 50 void (*a_fcn)(void); /* Function pointer (not used). */ 51 } a_un; 52 } Elf32_Auxinfo; 53 54 __ElfType(Auxinfo); 55 56 #define ELF_ARCH EM_ARM 57 58 #define ELF_MACHINE_OK(x) ((x) == EM_ARM) 59 60 /* 61 * Relocation types. 62 */ 63 64 #define R_ARM_COUNT 33 /* Count of defined relocation types. */ 65 66 /* Define "machine" characteristics */ 67 #define ELF_TARG_CLASS ELFCLASS32 68 #ifdef __ARMEB__ 69 #define ELF_TARG_DATA ELFDATA2MSB 70 #else 71 #define ELF_TARG_DATA ELFDATA2LSB 72 #endif 73 #define ELF_TARG_MACH EM_ARM 74 #define ELF_TARG_VER 1 75 76 /* Defines specific for arm headers */ 77 #define EF_ARM_EABI_VERSION(x) (((x) & EF_ARM_EABIMASK) >> 24) 78 #define EF_ARM_EABI_VERSION_UNKNOWN 0 79 #define EF_ARM_EABI_FREEBSD_MIN 4 80 81 #define ET_DYN_LOAD_ADDR 0x500000 82 83 /* Flags passed in AT_HWCAP. */ 84 #define HWCAP_SWP 0x00000001 /* Unsupported, never set. */ 85 #define HWCAP_HALF 0x00000002 /* Always set. */ 86 #define HWCAP_THUMB 0x00000004 87 #define HWCAP_26BIT 0x00000008 /* Unsupported, never set. */ 88 #define HWCAP_FAST_MULT 0x00000010 /* Always set. */ 89 #define HWCAP_FPA 0x00000020 /* Unsupported, never set. */ 90 #define HWCAP_VFP 0x00000040 91 #define HWCAP_EDSP 0x00000080 /* Always set for ARMv6+. */ 92 #define HWCAP_JAVA 0x00000100 /* Unsupported, never set. */ 93 #define HWCAP_IWMMXT 0x00000200 /* Unsupported, never set. */ 94 #define HWCAP_CRUNCH 0x00000400 /* Unsupported, never set. */ 95 #define HWCAP_THUMBEE 0x00000800 96 #define HWCAP_NEON 0x00001000 97 #define HWCAP_VFPv3 0x00002000 98 #define HWCAP_VFPv3D16 0x00004000 99 #define HWCAP_TLS 0x00008000 /* Always set for ARMv6+. */ 100 #define HWCAP_VFPv4 0x00010000 101 #define HWCAP_IDIVA 0x00020000 102 #define HWCAP_IDIVT 0x00040000 103 #define HWCAP_VFPD32 0x00080000 104 #define HWCAP_IDIV (HWCAP_IDIVA | HWCAP_IDIVT) 105 #define HWCAP_LPAE 0x00100000 106 #define HWCAP_EVTSTRM 0x00200000 /* Not implemented yet. */ 107 108 /* Flags passed in AT_HWCAP2. */ 109 #define HWCAP2_AES 0x00000001 110 #define HWCAP2_PMULL 0x00000002 111 #define HWCAP2_SHA1 0x00000004 112 #define HWCAP2_SHA2 0x00000008 113 #define HWCAP2_CRC32 0x00000010 114 115 #endif /* !_MACHINE_ELF_H_ */ 116