2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2001 David E. O'Brien
5 * Copyright (c) 1996-1997 John D. Polstra.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
32 #ifndef _MACHINE_ELF_H_
33 #define _MACHINE_ELF_H_ 1
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.
41 #ifndef __ELF_WORD_SIZE
43 #define __ELF_WORD_SIZE 64 /* Used by <sys/elf_generic.h> */
45 #define __ELF_WORD_SIZE 32 /* Used by <sys/elf_generic.h> */
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>
53 #if __ELF_WORD_SIZE == 64
54 #define ELF_ARCH EM_PPC64
55 #define ELF_MACHINE_OK(x) ((x) == EM_PPC64)
57 #define ELF_ARCH EM_PPC
58 #define ELF_ARCH32 EM_PPC
59 #define ELF_MACHINE_OK(x) ((x) == EM_PPC)
63 * Auxiliary vector entries for passing information to the interpreter.
65 * The PowerPC supplement to the SVR4 ABI specification names this "auxv_t",
66 * but POSIX lays claim to all symbols ending with "_t".
69 typedef struct { /* Auxiliary vector entry on initial stack */
70 int a_type; /* Entry type. */
73 int a_val; /* Integer value */
75 long a_val; /* Integer value. */
76 void *a_ptr; /* Address. */
77 void (*a_fcn)(void); /* Function pointer (not used). */
82 typedef struct { /* Auxiliary vector entry on initial stack */
83 long a_type; /* Entry type. */
85 long a_val; /* Integer value. */
86 void *a_ptr; /* Address. */
87 void (*a_fcn)(void); /* Function pointer (not used). */
97 #define R_PPC_COUNT 37 /* Count of defined relocation types. */
99 /* Count of defined relocation types. */
100 #define R_PPC_EMB_COUNT (R_PPC_EMB_RELSDA - R_PPC_EMB_NADDR32 + 1)
102 /* Define "machine" characteristics */
103 #if __ELF_WORD_SIZE == 64
104 #define ELF_TARG_CLASS ELFCLASS64
105 #define ELF_TARG_DATA ELFDATA2MSB
106 #define ELF_TARG_MACH EM_PPC64
107 #define ELF_TARG_VER 1
109 #define ELF_TARG_CLASS ELFCLASS32
110 #define ELF_TARG_DATA ELFDATA2MSB
111 #define ELF_TARG_MACH EM_PPC
112 #define ELF_TARG_VER 1
115 #define ET_DYN_LOAD_ADDR 0x01010000
117 #define AT_OLD_NULL AT_NULL
118 #define AT_OLD_IGNORE AT_IGNORE
119 #define AT_OLD_EXECFD AT_EXECFD
120 #define AT_OLD_PHDR AT_PHDR
121 #define AT_OLD_PHENT AT_PHENT
122 #define AT_OLD_PHNUM AT_PHNUM
123 #define AT_OLD_PAGESZ AT_PAGESZ
124 #define AT_OLD_BASE AT_BASE
125 #define AT_OLD_FLAGS AT_FLAGS
126 #define AT_OLD_ENTRY AT_ENTRY
127 #define AT_OLD_NOTELF AT_NOTELF
128 #define AT_OLD_UID AT_UID
129 #define AT_OLD_EUID AT_EUID
130 #define AT_OLD_EXECPATH 13
131 #define AT_OLD_CANARY 14
132 #define AT_OLD_CANARYLEN 15
133 #define AT_OLD_OSRELDATE 16
134 #define AT_OLD_NCPUS 17
135 #define AT_OLD_PAGESIZES 18
136 #define AT_OLD_PAGESIZESLEN 19
137 #define AT_OLD_STACKPROT 21
138 #define AT_OLD_TIMEKEEP AT_TIMEKEEP
139 #define AT_OLD_EHDRFLAGS AT_EHDRFLAGS
140 #define AT_OLD_HWCAP AT_HWCAP
141 #define AT_OLD_HWCAP2 AT_HWCAP2
143 #define AT_OLD_COUNT 27 /* Count of defined aux entry types. */
145 #endif /* !_MACHINE_ELF_H_ */