FreeBSD/Linux Kernel Cross Reference
sys/ia64/include/elf.h
1 /*-
2 * Copyright (c) 1996-1997 John D. Polstra.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/ia64/include/elf.h 197933 2009-10-10 15:31:24Z kib $
27 */
28
29 #ifndef _MACHINE_ELF_H_
30 #define _MACHINE_ELF_H_ 1
31
32 /*
33 * ELF definitions for the IA-64 architecture.
34 */
35
36 #ifndef __ELF_WORD_SIZE
37 #define __ELF_WORD_SIZE 64
38 #endif
39
40 #include <sys/elf64.h> /* Definitions common to all 64 bit architectures. */
41 #include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */
42
43 #include <sys/elf_generic.h>
44
45 #define ELF_ARCH EM_IA_64
46
47 #define ELF_MACHINE_OK(x) ((x) == EM_IA_64)
48
49 /*
50 * Auxiliary vector entries for passing information to the interpreter.
51 *
52 * The i386 supplement to the SVR4 ABI specification names this "auxv_t",
53 * but POSIX lays claim to all symbols ending with "_t".
54 */
55
56 typedef struct { /* Auxiliary vector entry on initial stack */
57 int a_type; /* Entry type. */
58 union {
59 int a_val; /* Integer value. */
60 } a_un;
61 } Elf32_Auxinfo;
62
63 typedef struct { /* Auxiliary vector entry on initial stack */
64 int a_type; /* Entry type. */
65 union {
66 long a_val; /* Integer value. */
67 void *a_ptr; /* Address. */
68 void (*a_fcn)(void); /* Function pointer (not used). */
69 } a_un;
70 } Elf64_Auxinfo;
71
72 __ElfType(Auxinfo);
73
74 /* Values for a_type. */
75 #define AT_NULL 0 /* Terminates the vector. */
76 #define AT_IGNORE 1 /* Ignored entry. */
77 #define AT_EXECFD 2 /* File descriptor of program to load. */
78 #define AT_PHDR 3 /* Program header of program already loaded. */
79 #define AT_PHENT 4 /* Size of each program header entry. */
80 #define AT_PHNUM 5 /* Number of program header entries. */
81 #define AT_PAGESZ 6 /* Page size in bytes. */
82 #define AT_BASE 7 /* Interpreter's base address. */
83 #define AT_FLAGS 8 /* Flags (unused for i386). */
84 #define AT_ENTRY 9 /* Where interpreter should transfer control. */
85 #define AT_NOTELF 10 /* Program is not ELF ?? */
86 #define AT_UID 11 /* Real uid. */
87 #define AT_EUID 12 /* Effective uid. */
88 #define AT_GID 13 /* Real gid. */
89 #define AT_EGID 14 /* Effective gid. */
90 #define AT_EXECPATH 15 /* Path to the executable. */
91
92 #define AT_COUNT 16 /* Count of defined aux entry types. */
93
94 /*
95 * Values for e_flags.
96 */
97 #define EF_IA_64_MASKOS 0x00ff000f
98 #define EF_IA_64_ABI64 0x00000010
99 #define EF_IA_64_REDUCEDFP 0x00000020
100 #define EF_IA_64_CONS_GP 0x00000040
101 #define EF_IA_64_NOFUNCDESC_CONS_GP 0x00000080
102 #define EF_IA_64_ABSOLUTE 0x00000100
103 #define EF_IA_64_ARCH 0xff000000
104
105 /*
106 * Segment types.
107 */
108 #define PT_IA_64_ARCHEXT 0x70000000
109 #define PT_IA_64_UNWIND 0x70000001
110
111 /*
112 * Segment attributes.
113 */
114 #define PF_IA_64_NORECOV 0x80000000
115
116 /*
117 * Section types.
118 */
119 #define SHT_IA_64_EXT 0x70000000
120 #define SHT_IA_64_UNWIND 0x70000001
121 #define SHT_IA_64_LOPSREG 0x78000000
122 #define SHT_IA_64_HIPSREG 0x7fffffff
123
124 /*
125 * Section attribute flags.
126 */
127 #define SHF_IA_64_SHORT 0x10000000
128 #define SHF_IA_64_NORECOV 0x20000000
129
130 /* Define "machine" characteristics */
131 #if __ELF_WORD_SIZE == 32
132 #define ELF_TARG_CLASS ELFCLASS32
133 #else
134 #define ELF_TARG_CLASS ELFCLASS64
135 #endif
136 #define ELF_TARG_DATA ELFDATA2LSB
137 #define ELF_TARG_MACH EM_IA_64
138 #define ELF_TARG_VER 1
139
140 /* Processor specific dynmamic section tags. */
141
142 #define DT_IA_64_PLT_RESERVE 0x70000000
143
144 #define ET_DYN_LOAD_ADDR 0x2500000000000000
145
146 #endif /* !_MACHINE_ELF_H_ */
Cache object: 6658d9d52d337789618e33527220f198
|