2 * Copyright (c) 1996-1997 John D. Polstra.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
29 #ifndef _MACHINE_ELF_H_
30 #define _MACHINE_ELF_H_ 1
33 * ELF definitions for the IA-64 architecture.
36 #ifndef __ELF_WORD_SIZE
37 #define __ELF_WORD_SIZE 64
40 #include <sys/elf64.h> /* Definitions common to all 64 bit architectures. */
41 #include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */
43 #include <sys/elf_generic.h>
45 #define ELF_ARCH EM_IA_64
46 #define ELF_ARCH32 EM_386
48 #define ELF_MACHINE_OK(x) ((x) == EM_IA_64)
51 * Auxiliary vector entries for passing information to the interpreter.
53 * The i386 supplement to the SVR4 ABI specification names this "auxv_t",
54 * but POSIX lays claim to all symbols ending with "_t".
57 typedef struct { /* Auxiliary vector entry on initial stack */
58 int a_type; /* Entry type. */
60 int a_val; /* Integer value. */
64 typedef struct { /* Auxiliary vector entry on initial stack */
65 int a_type; /* Entry type. */
67 long a_val; /* Integer value. */
68 void *a_ptr; /* Address. */
69 void (*a_fcn)(void); /* Function pointer (not used). */
75 /* Values for a_type. */
76 #define AT_NULL 0 /* Terminates the vector. */
77 #define AT_IGNORE 1 /* Ignored entry. */
78 #define AT_EXECFD 2 /* File descriptor of program to load. */
79 #define AT_PHDR 3 /* Program header of program already loaded. */
80 #define AT_PHENT 4 /* Size of each program header entry. */
81 #define AT_PHNUM 5 /* Number of program header entries. */
82 #define AT_PAGESZ 6 /* Page size in bytes. */
83 #define AT_BASE 7 /* Interpreter's base address. */
84 #define AT_FLAGS 8 /* Flags (unused for i386). */
85 #define AT_ENTRY 9 /* Where interpreter should transfer control. */
86 #define AT_NOTELF 10 /* Program is not ELF ?? */
87 #define AT_UID 11 /* Real uid. */
88 #define AT_EUID 12 /* Effective uid. */
89 #define AT_GID 13 /* Real gid. */
90 #define AT_EGID 14 /* Effective gid. */
91 #define AT_EXECPATH 15 /* Path to the executable. */
92 #define AT_CANARY 16 /* Canary for SSP */
93 #define AT_CANARYLEN 17 /* Length of the canary. */
94 #define AT_OSRELDATE 18 /* OSRELDATE. */
95 #define AT_NCPUS 19 /* Number of CPUs. */
96 #define AT_PAGESIZES 20 /* Pagesizes. */
97 #define AT_PAGESIZESLEN 21 /* Number of pagesizes. */
98 #define AT_TIMEKEEP 22 /* Pointer to timehands. */
99 #define AT_STACKPROT 23 /* Initial stack protection. */
101 #define AT_COUNT 24 /* Count of defined aux entry types. */
104 * Values for e_flags.
106 #define EF_IA_64_MASKOS 0x00ff000f
107 #define EF_IA_64_ABI64 0x00000010
108 #define EF_IA_64_REDUCEDFP 0x00000020
109 #define EF_IA_64_CONS_GP 0x00000040
110 #define EF_IA_64_NOFUNCDESC_CONS_GP 0x00000080
111 #define EF_IA_64_ABSOLUTE 0x00000100
112 #define EF_IA_64_ARCH 0xff000000
117 #define PT_IA_64_ARCHEXT 0x70000000
118 #define PT_IA_64_UNWIND 0x70000001
121 * Segment attributes.
123 #define PF_IA_64_NORECOV 0x80000000
128 #define SHT_IA_64_EXT 0x70000000
129 #define SHT_IA_64_UNWIND 0x70000001
130 #define SHT_IA_64_LOPSREG 0x78000000
131 #define SHT_IA_64_HIPSREG 0x7fffffff
134 * Section attribute flags.
136 #define SHF_IA_64_SHORT 0x10000000
137 #define SHF_IA_64_NORECOV 0x20000000
139 /* Define "machine" characteristics */
140 #if __ELF_WORD_SIZE == 32
141 #define ELF_TARG_CLASS ELFCLASS32
143 #define ELF_TARG_CLASS ELFCLASS64
145 #define ELF_TARG_DATA ELFDATA2LSB
146 #define ELF_TARG_MACH EM_IA_64
147 #define ELF_TARG_VER 1
149 /* Processor specific dynmamic section tags. */
151 #define DT_IA_64_PLT_RESERVE 0x70000000
153 #define ET_DYN_LOAD_ADDR 0x2500000000000000
155 #endif /* !_MACHINE_ELF_H_ */