1/*- 2 * Copyright (c) 1996-1997 John D. Polstra. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 13 * 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 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29#ifndef _MACHINE_ELF_H_ 30#define _MACHINE_ELF_H_ 31 32/* 33 * ELF definitions for the AArch64 architecture. 34 */ 35 36#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */ 37#include <sys/elf64.h> /* Definitions common to all 64 bit architectures. */ 38 39#ifndef __ELF_WORD_SIZE 40#define __ELF_WORD_SIZE 64 /* Used by <sys/elf_generic.h> */ 41#endif 42 43#include <sys/elf_generic.h> 44 45/* 46 * Auxiliary vector entries for passing information to the interpreter. 47 */ 48 49typedef struct { /* Auxiliary vector entry on initial stack */ 50 int a_type; /* Entry type. */ 51 union { 52 int a_val; /* Integer value. */ 53 } a_un; 54} Elf32_Auxinfo; 55 56typedef struct { /* Auxiliary vector entry on initial stack */ 57 long a_type; /* Entry type. */ 58 union { 59 long a_val; /* Integer value. */ 60 void *a_ptr; /* Address. */ 61 void (*a_fcn)(void); /* Function pointer (not used). */ 62 } a_un; 63} Elf64_Auxinfo; 64 65__ElfType(Auxinfo); 66 67#define ELF_ARCH EM_AARCH64 68 69#define ELF_MACHINE_OK(x) ((x) == (ELF_ARCH)) 70 71/* Values for a_type. */ 72#define AT_NULL 0 /* Terminates the vector. */ 73#define AT_IGNORE 1 /* Ignored entry. */ 74#define AT_EXECFD 2 /* File descriptor of program to load. */ 75#define AT_PHDR 3 /* Program header of program already loaded. */ 76#define AT_PHENT 4 /* Size of each program header entry. */ 77#define AT_PHNUM 5 /* Number of program header entries. */ 78#define AT_PAGESZ 6 /* Page size in bytes. */ 79#define AT_BASE 7 /* Interpreter's base address. */ 80#define AT_FLAGS 8 /* Flags (unused). */ 81#define AT_ENTRY 9 /* Where interpreter should transfer control. */ 82#define AT_NOTELF 10 /* Program is not ELF ?? */ 83#define AT_UID 11 /* Real uid. */ 84#define AT_EUID 12 /* Effective uid. */ 85#define AT_GID 13 /* Real gid. */ 86#define AT_EGID 14 /* Effective gid. */ 87#define AT_EXECPATH 15 /* Path to the executable. */ 88#define AT_CANARY 16 /* Canary for SSP */ 89#define AT_CANARYLEN 17 /* Length of the canary. */ 90#define AT_OSRELDATE 18 /* OSRELDATE. */ 91#define AT_NCPUS 19 /* Number of CPUs. */ 92#define AT_PAGESIZES 20 /* Pagesizes. */ 93#define AT_PAGESIZESLEN 21 /* Number of pagesizes. */ 94#define AT_TIMEKEEP 22 /* Pointer to timehands. */ 95#define AT_STACKPROT 23 /* Initial stack protection. */ 96#define AT_EHDRFLAGS 24 /* e_flags field from elf hdr */ 97#define AT_HWCAP 25 /* CPU feature flags. */ 98#define AT_HWCAP2 26 /* CPU feature flags 2. */ 99 100#define AT_COUNT 27 /* Count of defined aux entry types. */ 101 102/* Define "machine" characteristics */ 103#if __ELF_WORD_SIZE == 64 104#define ELF_TARG_CLASS ELFCLASS64 105#define ELF_TARG_DATA ELFDATA2LSB 106#define ELF_TARG_MACH EM_AARCH64 107#define ELF_TARG_VER 1 108#else 109#define ELF_TARG_CLASS ELFCLASS32 110#define ELF_TARG_DATA ELFDATA2LSB 111#define ELF_TARG_MACH EM_ARM 112#define ELF_TARG_VER 1 113#endif 114 115#define ET_DYN_LOAD_ADDR 0x100000 116 117/* HWCAP */ 118#define HWCAP_FP 0x00000001 119#define HWCAP_ASIMD 0x00000002 120#define HWCAP_EVTSTRM 0x00000004 121#define HWCAP_AES 0x00000008 122#define HWCAP_PMULL 0x00000010 123#define HWCAP_SHA1 0x00000020 124#define HWCAP_SHA2 0x00000040 125#define HWCAP_CRC32 0x00000080 126#define HWCAP_ATOMICS 0x00000100 127#define HWCAP_FPHP 0x00000200 128#define HWCAP_ASIMDHP 0x00000400 129/* 130 * XXX: The following bits (from CPUID to FLAGM) were originally incorrect, 131 * but later changed to match the Linux definitions. No compatibility code is 132 * provided, as the fix was expected to result in near-zero fallout. 133 */ 134#define HWCAP_CPUID 0x00000800 135#define HWCAP_ASIMDRDM 0x00001000 136#define HWCAP_JSCVT 0x00002000 137#define HWCAP_FCMA 0x00004000 138#define HWCAP_LRCPC 0x00008000 139#define HWCAP_DCPOP 0x00010000 140#define HWCAP_SHA3 0x00020000 141#define HWCAP_SM3 0x00040000 142#define HWCAP_SM4 0x00080000 143#define HWCAP_ASIMDDP 0x00100000 144#define HWCAP_SHA512 0x00200000 145#define HWCAP_SVE 0x00400000 146#define HWCAP_ASIMDFHM 0x00800000 147#define HWCAP_DIT 0x01000000 148#define HWCAP_USCAT 0x02000000 149#define HWCAP_ILRCPC 0x04000000 150#define HWCAP_FLAGM 0x08000000 151#define HWCAP_SSBS 0x10000000 152#define HWCAP_SB 0x20000000 153#define HWCAP_PACA 0x40000000 154#define HWCAP_PACG 0x80000000 155 156/* HWCAP2 */ 157#define HWCAP2_DCPODP 0x00000001 158#define HWCAP2_SVE2 0x00000002 159#define HWCAP2_SVEAES 0x00000004 160#define HWCAP2_SVEPMULL 0x00000008 161#define HWCAP2_SVEBITPERM 0x00000010 162#define HWCAP2_SVESHA3 0x00000020 163#define HWCAP2_SVESM4 0x00000040 164#define HWCAP2_FLAGM2 0x00000080 165#define HWCAP2_FRINT 0x00000100 166#define HWCAP2_SVEI8MM 0x00000200 167#define HWCAP2_SVEF32MM 0x00000400 168#define HWCAP2_SVEF64MM 0x00000800 169#define HWCAP2_SVEBF16 0x00001000 170#define HWCAP2_I8MM 0x00002000 171#define HWCAP2_BF16 0x00004000 172#define HWCAP2_DGH 0x00008000 173#define HWCAP2_RNG 0x00010000 174#define HWCAP2_BTI 0x00020000 175 176#endif /* !_MACHINE_ELF_H_ */ 177