FreeBSD/Linux Kernel Cross Reference
sys/arm/include/elf.h
1 /*-
2 * Copyright (c) 2001 David E. O'Brien
3 * Copyright (c) 1996-1997 John D. Polstra.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: src/sys/arm/include/elf.h,v 1.9 2008/12/17 06:56:58 imp Exp $
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
43 typedef 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 /* Values for a_type. */
63 #define AT_NULL 0 /* Terminates the vector. */
64 #define AT_IGNORE 1 /* Ignored entry. */
65 #define AT_EXECFD 2 /* File descriptor of program to load. */
66 #define AT_PHDR 3 /* Program header of program already loaded. */
67 #define AT_PHENT 4 /* Size of each program header entry. */
68 #define AT_PHNUM 5 /* Number of program header entries. */
69 #define AT_PAGESZ 6 /* Page size in bytes. */
70 #define AT_BASE 7 /* Interpreter's base address. */
71 #define AT_FLAGS 8 /* Flags (unused). */
72 #define AT_ENTRY 9 /* Where interpreter should transfer control. */
73 #define AT_NOTELF 10 /* Program is not ELF ?? */
74 #define AT_UID 11 /* Real uid. */
75 #define AT_EUID 12 /* Effective uid. */
76 #define AT_GID 13 /* Real gid. */
77 #define AT_EGID 14 /* Effective gid. */
78
79 #define AT_COUNT 15 /* Count of defined aux entry types. */
80
81 #define R_ARM_COUNT 33 /* Count of defined relocation types. */
82
83
84 /* Define "machine" characteristics */
85 #define ELF_TARG_CLASS ELFCLASS32
86 #ifdef __ARMEB__
87 #define ELF_TARG_DATA ELFDATA2MSB
88 #else
89 #define ELF_TARG_DATA ELFDATA2LSB
90 #endif
91 #define ELF_TARG_MACH EM_ARM
92 #define ELF_TARG_VER 1
93
94 /*
95 * Magic number for the elf trampoline, chosen wisely to be an immediate
96 * value.
97 */
98 #define MAGIC_TRAMP_NUMBER 0x5c000003
99 #endif /* !_MACHINE_ELF_H_ */
100 Cache object: df16fd14c697d312f39c76e1a7a53d17
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