elf.h revision 324687 
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: stable/11/sys/sparc64/include/elf.h 324687 2017-10-17 12:45:51Z jhb $
27 */
28
29#ifndef	_MACHINE_ELF_H_
30#define	_MACHINE_ELF_H_ 1
31
32/*
33 * ELF definitions for the sparc64 architecture.
34 */
35
36#include <sys/elf32.h>	/* Definitions common to all 32 bit architectures. */
37#include <sys/elf64.h>	/* Definitions common to all 64 bit architectures. */
38
39#ifndef __ELF_WORD_SIZE
40#define	__ELF_WORD_SIZE	64	/* Used by <sys/elf_generic.h> */
41#endif
42#include <sys/elf_generic.h>
43
44#define	ELF_ARCH	EM_SPARCV9
45
46#define	ELF_MACHINE_OK(x)	((x) == ELF_ARCH)
47
48/*
49 * Auxiliary vector entries for passing information to the interpreter.
50 */
51
52typedef struct {	/* Auxiliary vector entry on initial stack */
53	int	a_type;			/* Entry type. */
54	union {
55		int	a_val;		/* Integer value. */
56	} a_un;
57} Elf32_Auxinfo;
58
59typedef struct {	/* Auxiliary vector entry on initial stack */
60	long	a_type;			/* Entry type. */
61	union {
62		long	a_val;		/* Integer value. */
63		void	*a_ptr;		/* Address. */
64		void	(*a_fcn)(void);	/* Function pointer (not used). */
65	} a_un;
66} Elf64_Auxinfo;
67
68__ElfType(Auxinfo);
69
70/* Values for a_type. */
71#define	AT_NULL		0	/* Terminates the vector. */
72#define	AT_IGNORE	1	/* Ignored entry. */
73#define	AT_EXECFD	2	/* File descriptor of program to load. */
74#define	AT_PHDR		3	/* Program header of program already loaded. */
75#define	AT_PHENT	4	/* Size of each program header entry. */
76#define	AT_PHNUM	5	/* Number of program header entries. */
77#define	AT_PAGESZ	6	/* Page size in bytes. */
78#define	AT_BASE		7	/* Interpreter's base address. */
79#define	AT_FLAGS	8	/* Flags (unused). */
80#define	AT_ENTRY	9	/* Where interpreter should transfer control. */
81#define	AT_NOTELF	10	/* Program is not ELF ?? */
82#define	AT_UID		11	/* Real uid. */
83#define	AT_EUID		12	/* Effective uid. */
84#define	AT_GID		13	/* Real gid. */
85#define	AT_EGID		14	/* Effective gid. */
86#define	AT_EXECPATH	15	/* Path to the executable. */
87#define	AT_CANARY	16	/* Canary for SSP */
88#define	AT_CANARYLEN	17	/* Length of the canary. */
89#define	AT_OSRELDATE	18	/* OSRELDATE. */
90#define	AT_NCPUS	19	/* Number of CPUs. */
91#define	AT_PAGESIZES	20	/* Pagesizes. */
92#define	AT_PAGESIZESLEN	21	/* Number of pagesizes. */
93#define	AT_TIMEKEEP	22	/* Pointer to timehands. */
94#define	AT_STACKPROT	23	/* Initial stack protection. */
95#define	AT_EHDRFLAGS	24	/* e_flags field from elf hdr */
96#define	AT_HWCAP	25	/* CPU feature flags. */
97
98#define	AT_COUNT	26	/* Count of defined aux entry types. */
99
100/* Define "machine" characteristics */
101#if __ELF_WORD_SIZE == 32
102#define	ELF_TARG_CLASS  ELFCLASS32
103#else
104#define	ELF_TARG_CLASS  ELFCLASS64
105#endif
106#define	ELF_TARG_DATA	ELFDATA2MSB
107#define	ELF_TARG_MACH	ELF_ARCH
108#define	ELF_TARG_VER	1
109
110#define	ET_DYN_LOAD_ADDR 0x100000
111
112#endif /* !_MACHINE_ELF_H_ */
113