imgact_elf.h revision 186235 
1/*-
2 * Copyright (c) 1995-1996 S�ren Schmidt
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 *    in this position and unchanged.
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 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: head/sys/sys/imgact_elf.h 186235 2008-12-17 16:54:29Z peter $
29 */
30
31#ifndef _SYS_IMGACT_ELF_H_
32#define _SYS_IMGACT_ELF_H_
33
34#include <machine/elf.h>
35
36#ifdef _KERNEL
37
38#define AUXARGS_ENTRY(pos, id, val) {suword(pos++, id); suword(pos++, val);}
39
40struct thread;
41
42/*
43 * Structure used to pass infomation from the loader to the
44 * stack fixup routine.
45 */
46typedef struct {
47	Elf_Ssize	execfd;
48	Elf_Size	phdr;
49	Elf_Size	phent;
50	Elf_Size	phnum;
51	Elf_Size	pagesz;
52	Elf_Size	base;
53	Elf_Size	flags;
54	Elf_Size	entry;
55} __ElfN(Auxargs);
56
57typedef struct {
58	int brand;
59	int machine;
60	const char *compat_3_brand;	/* pre Binutils 2.10 method (FBSD 3) */
61	const char *emul_path;
62	const char *interp_path;
63	struct sysentvec *sysvec;
64	const char *interp_newpath;
65        int flags;
66#define		BI_CAN_EXEC_DYN	0x0001
67} __ElfN(Brandinfo);
68
69__ElfType(Auxargs);
70__ElfType(Brandinfo);
71
72#define MAX_BRANDS	8
73
74int	__elfN(brand_inuse)(Elf_Brandinfo *entry);
75int	__elfN(insert_brand_entry)(Elf_Brandinfo *entry);
76int	__elfN(remove_brand_entry)(Elf_Brandinfo *entry);
77int	__elfN(freebsd_fixup)(register_t **, struct image_params *);
78int	__elfN(coredump)(struct thread *, struct vnode *, off_t);
79
80/* Machine specific function to dump per-thread information. */
81void	__elfN(dump_thread)(struct thread *, void *, size_t *);
82
83extern	int __elfN(fallback_brand);
84
85#endif /* _KERNEL */
86
87#endif /* !_SYS_IMGACT_ELF_H_ */
88