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 PowerPC architecture. 37 * See "PowerPC Embedded Application Binary Interface, 32-Bit Impliementation" 38 * [ppc-eabi-1995-01.pdf] for details. 39 */ 40 41 #ifndef __ELF_WORD_SIZE 42 #ifdef __powerpc64__ 43 #define __ELF_WORD_SIZE 64 /* Used by <sys/elf_generic.h> */ 44 #else 45 #define __ELF_WORD_SIZE 32 /* Used by <sys/elf_generic.h> */ 46 #endif 47 #endif 48 49 #include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */ 50 #include <sys/elf64.h> /* Definitions common to all 64 bit architectures. */ 51 #include <sys/elf_generic.h> 52 53 #if __ELF_WORD_SIZE == 64 54 #define ELF_ARCH EM_PPC64 55 #define ELF_MACHINE_OK(x) ((x) == EM_PPC64) 56 #else 57 #define ELF_ARCH EM_PPC 58 #define ELF_ARCH32 EM_PPC 59 #define ELF_MACHINE_OK(x) ((x) == EM_PPC) 60 #endif 61 62 /* 63 * Auxiliary vector entries for passing information to the interpreter. 64 * 65 * The PowerPC supplement to the SVR4 ABI specification names this "auxv_t", 66 * but POSIX lays claim to all symbols ending with "_t". 67 */ 68 69 typedef struct { /* Auxiliary vector entry on initial stack */ 70 int a_type; /* Entry type. */ 71 union { 72 #ifdef __powerpc64__ 73 int a_val; /* Integer value */ 74 #else 75 long a_val; /* Integer value. */ 76 void *a_ptr; /* Address. */ 77 void (*a_fcn)(void); /* Function pointer (not used). */ 78 #endif 79 } a_un; 80 } Elf32_Auxinfo; 81 82 typedef struct { /* Auxiliary vector entry on initial stack */ 83 long a_type; /* Entry type. */ 84 union { 85 long a_val; /* Integer value. */ 86 void *a_ptr; /* Address. */ 87 void (*a_fcn)(void); /* Function pointer (not used). */ 88 } a_un; 89 } Elf64_Auxinfo; 90 91 __ElfType(Auxinfo); 92 93 /* 94 * Relocation types. 95 */ 96 97 #define R_PPC_COUNT 37 /* Count of defined relocation types. */ 98 99 /* Count of defined relocation types. */ 100 #define R_PPC_EMB_COUNT (R_PPC_EMB_RELSDA - R_PPC_EMB_NADDR32 + 1) 101 102 /* Define "machine" characteristics */ 103 #if BYTE_ORDER == LITTLE_ENDIAN 104 #define ELF_TARG_DATA ELFDATA2LSB 105 #else 106 #define ELF_TARG_DATA ELFDATA2MSB 107 #endif 108 #if __ELF_WORD_SIZE == 64 109 #define ELF_TARG_CLASS ELFCLASS64 110 #define ELF_TARG_MACH EM_PPC64 111 #define ELF_TARG_VER 1 112 #else 113 #define ELF_TARG_CLASS ELFCLASS32 114 #define ELF_TARG_MACH EM_PPC 115 #define ELF_TARG_VER 1 116 #endif 117 118 #define ET_DYN_LOAD_ADDR 0x01010000 119 120 #define AT_OLD_NULL AT_NULL 121 #define AT_OLD_IGNORE AT_IGNORE 122 #define AT_OLD_EXECFD AT_EXECFD 123 #define AT_OLD_PHDR AT_PHDR 124 #define AT_OLD_PHENT AT_PHENT 125 #define AT_OLD_PHNUM AT_PHNUM 126 #define AT_OLD_PAGESZ AT_PAGESZ 127 #define AT_OLD_BASE AT_BASE 128 #define AT_OLD_FLAGS AT_FLAGS 129 #define AT_OLD_ENTRY AT_ENTRY 130 #define AT_OLD_NOTELF AT_NOTELF 131 #define AT_OLD_UID AT_UID 132 #define AT_OLD_EUID AT_EUID 133 #define AT_OLD_EXECPATH 13 134 #define AT_OLD_CANARY 14 135 #define AT_OLD_CANARYLEN 15 136 #define AT_OLD_OSRELDATE 16 137 #define AT_OLD_NCPUS 17 138 #define AT_OLD_PAGESIZES 18 139 #define AT_OLD_PAGESIZESLEN 19 140 #define AT_OLD_STACKPROT 21 141 #define AT_OLD_TIMEKEEP AT_TIMEKEEP 142 #define AT_OLD_EHDRFLAGS AT_EHDRFLAGS 143 #define AT_OLD_HWCAP AT_HWCAP 144 #define AT_OLD_HWCAP2 AT_HWCAP2 145 146 #define AT_OLD_COUNT 27 /* Count of defined aux entry types. */ 147 148 #endif /* !_MACHINE_ELF_H_ */ 149