Annotation of sys/sys/exec_olf.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: exec_olf.h,v 1.8 2001/06/22 14:11:00 deraadt Exp $ */
2: /*
3: * Copyright (c) 1996 Erik Theisen. 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: * 3. The name of the author may not be used to endorse or promote products
14: * derived from this software without specific prior written permission
15: *
16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26: */
27:
28: /*
29: * OLF is a modified ELF that attempts to fix two serious shortcomings in
30: * the SVR4 ABI. Namely a lack of an operating system and strip tag.
31: */
32:
33: #ifndef _SYS_EXEC_OLF_H_
34: #define _SYS_EXEC_OLF_H_
35:
36: #include <sys/exec_elf.h>
37:
38: /* e_ident[] identification indexes */
39: #define OI_MAG0 EI_MAG0 /* file ID */
40: #define OI_MAG1 EI_MAG1 /* file ID */
41: #define OI_MAG2 EI_MAG2 /* file ID */
42: #define OI_MAG3 EI_MAG3 /* file ID */
43: #define OI_CLASS EI_CLASS /* file class */
44: #define OI_DATA EI_DATA /* data encoding */
45: #define OI_VERSION EI_VERSION /* OLF header version */
46: #define OI_OS 7 /* Operating system tag */
47: #define OI_DYNAMIC 8 /* Dynamic tag */
48: #define OI_STRIP 9 /* Strip tag */
49: #define OI_PAD 10 /* start of pad bytes */
50: #define OI_NIDENT EI_NIDENT /* Size of e_ident[] */
51:
52: /* e_ident[] magic number */
53: #define OLFMAG0 ELFMAG0 /* e_ident[OI_MAG0] */
54: #define OLFMAG1 'O' /* e_ident[OI_MAG1] */
55: #define OLFMAG2 ELFMAG2 /* e_ident[OI_MAG2] */
56: #define OLFMAG3 ELFMAG3 /* e_ident[OI_MAG3] */
57: #define OLFMAG "\177OLF" /* magic */
58: #define SOLFMAG SELFMAG /* size of magic */
59:
60: /* e_ident[] file class */
61: #define OLFCLASSNONE ELFCLASSNONE /* invalid */
62: #define OLFCLASS32 ELFCLASS32 /* 32-bit objs */
63: #define OLFCLASS64 ELFCLASS64 /* 64-bit objs */
64: #define OLFCLASSNUM ELFCLASSNUM /* number of classes */
65:
66: /* e_ident[] data encoding */
67: #define OLFDATANONE ELFDATANONE /* invalid */
68: #define OLFDATA2LSB ELFDATA2LSB /* Little-Endian */
69: #define OLFDATA2MSB ELFDATA2MSB /* Big-Endian */
70: #define OLFDATANUM ELFDATANUM /* number of data encode defines */
71:
72:
73: /*
74: * Please help make this list definative.
75: */
76: /* e_ident[] system */
77: #define OOS_NULL 0 /* invalid */
78: #define OOS_OPENBSD 1 /* OpenBSD */
79: #define OOS_NETBSD 2 /* NetBSD */
80: #define OOS_FREEBSD 3 /* FreeBSD */
81: #define OOS_44BSD 4 /* 4.4BSD */
82: #define OOS_LINUX 5 /* Linux */
83: #define OOS_SVR4 6 /* AT&T System V Release 4 */
84: #define OOS_ESIX 7 /* esix UNIX */
85: #define OOS_SOLARIS 8 /* SunSoft Solaris */
86: #define OOS_IRIX 9 /* SGI IRIX */
87: #define OOS_SCO 10 /* SCO UNIX */
88: #define OOS_DELL 11 /* DELL SVR4 */
89: #define OOS_NCR 12 /* NCR SVR4 */
90: #define OOS_NUM 13 /* Number of systems */
91: /*
92: * Lowercase and numbers ONLY.
93: * No whitespace or punc.
94: */
95: #define OOSN_NULL "invalid" /* invalid */
96: #define OOSN_OPENBSD "openbsd" /* OpenBSD */
97: #define OOSN_NETBSD "netbsd" /* NetBSD */
98: #define OOSN_FREEBSD "freebsd" /* FreeBSD */
99: #define OOSN_44BSD "44bsd" /* 4.4BSD */
100: #define OOSN_LINUX "linux" /* Linux */
101: #define OOSN_SVR4 "svr4" /* AT&T System V Release 4 */
102: #define OOSN_ESIX "esix" /* esix UNIX */
103: #define OOSN_SOLARIS "solaris" /* SunSoft Solaris */
104: #define OOSN_IRIX "irix" /* SGI IRIX */
105: #define OOSN_SCO "sco" /* SCO UNIX */
106: #define OOSN_DELL "dell" /* DELL SVR4 */
107: #define OOSN_NCR "ncr" /* NCR SVR4 */
108: #define ONAMEV { OOSN_NULL, OOSN_OPENBSD, OOSN_NETBSD, \
109: OOSN_FREEBSD, OOSN_44BSD, OOSN_LINUX, \
110: OOSN_SVR4, OOSN_ESIX, OOSN_SOLARIS, \
111: OOSN_IRIX, OOSN_SCO, OOSN_DELL, \
112: OOSN_NCR, \
113: 0 }
114:
115: /* e_ident[] dynamic */
116: #define ODYNAMIC_N 0 /* Statically linked */
117: #define ODYNAMIC 1 /* Dynamically linked */
118:
119: /* e_ident[] strip */
120: #define OSTRIP 0 /* Stripped */
121: #define OSTRIP_N 1 /* Not Stripped */
122:
123: /* e_ident */
124: #define IS_OLF(ehdr) \
125: ((ehdr).e_ident[OI_MAG0] == OLFMAG0 && \
126: (ehdr).e_ident[OI_MAG1] == OLFMAG1 && \
127: (ehdr).e_ident[OI_MAG2] == OLFMAG2 && \
128: (ehdr).e_ident[OI_MAG3] == OLFMAG3)
129:
130: /* The rest of the types and defines come from the ELF header file */
131: #endif /* _SYS_EXEC_OLF_H_ */
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