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: releng/6.0/sys/arm/include/elf.h 128937 2004-05-04 22:21:36Z cognet $
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
74 #define AT_BRK 10 /* Starting point for sbrk and brk. */
75 #define AT_DEBUG 11 /* Debugging level. */
76
77 #define AT_NOTELF 10 /* Program is not ELF ?? */
78 #define AT_UID 11 /* Real uid. */
79 #define AT_EUID 12 /* Effective uid. */
80 #define AT_GID 13 /* Real gid. */
81 #define AT_EGID 14 /* Effective gid. */
82
83 #define AT_COUNT 15 /* Count of defined aux entry types. */
84
85 #define R_ARM_NONE 0 /* No relocation. */
86 #define R_ARM_PC24 1
87 #define R_ARM_ABS32 2
88 #define R_ARM_REL32 3
89 #define R_ARM_PC13 4
90 #define R_ARM_ABS16 5
91 #define R_ARM_ABS12 6
92 #define R_ARM_THM_ABS5 7
93 #define R_ARM_ABS8 8
94 #define R_ARM_SBREL32 9
95 #define R_ARM_THM_PC22 10
96 #define R_ARM_THM_PC8 11
97 #define R_ARM_AMP_VCALL9 12
98 #define R_ARM_SWI24 13
99 #define R_ARM_THM_SWI8 14
100 #define R_ARM_XPC25 15
101 #define R_ARM_THM_XPC22 16
102 #define R_ARM_COPY 20 /* Copy data from shared object. */
103 #define R_ARM_GLOB_DAT 21 /* Set GOT entry to data address. */
104 #define R_ARM_JUMP_SLOT 22 /* Set GOT entry to code address. */
105 #define R_ARM_RELATIVE 23 /* Add load address of shared object. */
106 #define R_ARM_GOTOFF 24 /* Add GOT-relative symbol address. */
107 #define R_ARM_GOTPC 25 /* Add PC-relative GOT table address. */
108 #define R_ARM_GOT32 26 /* Add PC-relative GOT offset. */
109 #define R_ARM_PLT32 27 /* Add PC-relative PLT offset. */
110 #define R_ARM_GNU_VTENTRY 100
111 #define R_ARM_GNU_VTINHERIT 101
112 #define R_ARM_RSBREL32 250
113 #define R_ARM_THM_RPC22 251
114 #define R_ARM_RREL32 252
115 #define R_ARM_RABS32 253
116 #define R_ARM_RPC24 254
117 #define R_ARM_RBASE 255
118
119 #define R_ARM_COUNT 33 /* Count of defined relocation types. */
120
121
122 /* Define "machine" characteristics */
123 #define ELF_TARG_CLASS ELFCLASS32
124 #define ELF_TARG_DATA ELFDATA2LSB
125 #define ELF_TARG_MACH EM_ARM
126 #define ELF_TARG_VER 1
127
128 #endif /* !_MACHINE_ELF_H_ */
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