1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
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
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
43typedef struct { /* Auxiliary vector entry on initial stack */
44 int a_type; /* Entry type. */
45 union {
46 long a_val; /* Integer value. */
47 void *a_ptr; /* Address. */
48 void (*a_fcn)(void); /* Function pointer (not used). */
49 } a_un;
50} Elf32_Auxinfo;
51
52__ElfType(Auxinfo);
53
54#define ELF_ARCH EM_ARM
55
56#define ELF_MACHINE_OK(x) ((x) == EM_ARM)
57
58/*
59 * Relocation types.
60 */
61
62#define R_ARM_COUNT 33 /* Count of defined relocation types. */
63
64/* Define "machine" characteristics */
65#define ELF_TARG_CLASS ELFCLASS32
66#ifdef __ARMEB__
67#define ELF_TARG_DATA ELFDATA2MSB
68#else
69#define ELF_TARG_DATA ELFDATA2LSB
70#endif
71#define ELF_TARG_MACH EM_ARM
72#define ELF_TARG_VER 1
73
74/* Defines specific for arm headers */
75#define EF_ARM_EABI_FREEBSD_MIN EF_ARM_EABI_VER4
76
77#define ET_DYN_LOAD_ADDR 0x01001000
78
79/* Flags passed in AT_HWCAP. */
80#define HWCAP_SWP 0x00000001 /* Unsupported, never set. */
81#define HWCAP_HALF 0x00000002 /* Always set. */
82#define HWCAP_THUMB 0x00000004
83#define HWCAP_26BIT 0x00000008 /* Unsupported, never set. */
84#define HWCAP_FAST_MULT 0x00000010 /* Always set. */
85#define HWCAP_FPA 0x00000020 /* Unsupported, never set. */
86#define HWCAP_VFP 0x00000040
87#define HWCAP_EDSP 0x00000080 /* Always set for ARMv6+. */
88#define HWCAP_JAVA 0x00000100 /* Unsupported, never set. */
89#define HWCAP_IWMMXT 0x00000200 /* Unsupported, never set. */
90#define HWCAP_CRUNCH 0x00000400 /* Unsupported, never set. */
91#define HWCAP_THUMBEE 0x00000800
92#define HWCAP_NEON 0x00001000
93#define HWCAP_VFPv3 0x00002000
94#define HWCAP_VFPv3D16 0x00004000
95#define HWCAP_TLS 0x00008000 /* Always set for ARMv6+. */
96#define HWCAP_VFPv4 0x00010000
97#define HWCAP_IDIVA 0x00020000
98#define HWCAP_IDIVT 0x00040000
99#define HWCAP_VFPD32 0x00080000
100#define HWCAP_IDIV (HWCAP_IDIVA | HWCAP_IDIVT)
101#define HWCAP_LPAE 0x00100000
102#define HWCAP_EVTSTRM 0x00200000 /* Not implemented yet. */
103
104/* Flags passed in AT_HWCAP2. */
105#define HWCAP2_AES 0x00000001
106#define HWCAP2_PMULL 0x00000002
107#define HWCAP2_SHA1 0x00000004
108#define HWCAP2_SHA2 0x00000008
109#define HWCAP2_CRC32 0x00000010
110
111#endif /* !_MACHINE_ELF_H_ */