Annotation of sys/kern/exec_conf.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: exec_conf.c,v 1.18 2007/05/28 23:10:10 beck Exp $ */
2: /* $NetBSD: exec_conf.c,v 1.16 1995/12/09 05:34:47 cgd Exp $ */
3:
4: /*
5: * Copyright (c) 1993, 1994 Christopher G. Demetriou
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by Christopher G. Demetriou.
19: * 4. The name of the author may not be used to endorse or promote products
20: * derived from this software without specific prior written permission
21: *
22: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32: */
33:
34: #include <sys/param.h>
35: #include <sys/exec.h>
36: #include <sys/exec_script.h>
37:
38: #if defined(_KERN_DO_ECOFF)
39: #include <sys/exec_ecoff.h>
40: #endif
41:
42: #if defined(_KERN_DO_ELF) || defined(_KERN_DO_ELF64)
43: #include <sys/exec_elf.h>
44: #endif
45:
46: #ifdef COMPAT_SVR4
47: #include <compat/svr4/svr4_exec.h>
48: #endif
49:
50: #ifdef COMPAT_IBCS2
51: #include <compat/ibcs2/ibcs2_exec.h>
52: #endif
53:
54: #ifdef COMPAT_LINUX
55: #include <compat/linux/linux_exec.h>
56: #endif
57:
58: #ifdef COMPAT_BSDOS
59: #include <compat/bsdos/bsdos_exec.h>
60: #endif
61:
62: #ifdef COMPAT_FREEBSD
63: #include <compat/freebsd/freebsd_exec.h>
64: #endif
65:
66: #ifdef COMPAT_HPUX
67: #include <compat/hpux/hpux_exec.h>
68: #endif
69:
70: #ifdef COMPAT_M68K4K
71: #include <compat/m68k4k/m68k4k_exec.h>
72: #endif
73:
74: #ifdef COMPAT_VAX1K
75: #include <compat/vax1k/vax1k_exec.h>
76: #endif
77:
78: extern struct emul emul_native, emul_elf32, emul_elf64, emul_aout,
79: emul_bsdos, emul_freebsd_aout, emul_freebsd_elf, emul_hpux,
80: emul_ibcs2, emul_linux_elf, emul_linux_aout, emul_netbsd_elf64,
81: emul_osf1, emul_sunos, emul_svr4, emul_ultrix;
82:
83: struct execsw execsw[] = {
84: { MAXINTERP, exec_script_makecmds, &emul_native, }, /* shell scripts */
85: #ifdef _KERN_DO_AOUT
86: #ifdef COMPAT_AOUT
87: { sizeof(struct exec), exec_aout_makecmds, &emul_aout },
88: #else
89: { sizeof(struct exec), exec_aout_makecmds, &emul_native }, /* a.out binaries */
90: #endif
91: #endif
92: #ifdef _KERN_DO_ECOFF
93: { ECOFF_HDR_SIZE, exec_ecoff_makecmds, &emul_native }, /* ecoff binaries */
94: #endif
95: #ifdef _KERN_DO_ELF
96: { sizeof(Elf32_Ehdr), exec_elf32_makecmds, &emul_native }, /* elf binaries */
97: #endif
98: #ifdef _KERN_DO_ELF64
99: { sizeof(Elf64_Ehdr), exec_elf64_makecmds, &emul_native }, /* elf binaries */
100: #ifdef COMPAT_OSF1
101: { sizeof(Elf64_Ehdr), exec_elf64_makecmds, &emul_osf1 },
102: #endif
103: #endif /* ELF64 */
104: #ifdef COMPAT_LINUX
105: { LINUX_AOUT_HDR_SIZE, exec_linux_aout_makecmds, &emul_linux_aout }, /* linux a.out */
106: { sizeof(Elf32_Ehdr), exec_linux_elf32_makecmds, &emul_linux_elf },
107: #endif
108: #ifdef COMPAT_IBCS2
109: { COFF_HDR_SIZE, exec_ibcs2_coff_makecmds, &emul_ibcs2 }, /* coff binaries */
110: { XOUT_HDR_SIZE, exec_ibcs2_xout_makecmds, &emul_ibcs2 }, /* x.out binaries */
111: #endif
112: #ifdef COMPAT_BSDOS
113: { BSDOS_AOUT_HDR_SIZE, exec_bsdos_aout_makecmds, &emul_bsdos }, /* bsdos */
114: #endif
115: #ifdef COMPAT_FREEBSD
116: { FREEBSD_AOUT_HDR_SIZE, exec_freebsd_aout_makecmds, &emul_freebsd_aout }, /* freebsd */
117: { sizeof(Elf32_Ehdr), exec_freebsd_elf32_makecmds, &emul_freebsd_elf },
118: #endif
119: #ifdef COMPAT_HPUX
120: { HPUX_EXEC_HDR_SIZE, exec_hpux_makecmds, &emul_hpux }, /* HP-UX a.out */
121: #endif
122: #ifdef COMPAT_M68K4K
123: { sizeof(struct exec), exec_m68k4k_makecmds, &emul_native }, /* m68k4k a.out */
124: #endif
125: #ifdef COMPAT_VAX1K
126: { sizeof(struct exec), exec_vax1k_makecmds, &emul_native }, /* vax1k a.out */
127: #endif
128: #ifdef COMPAT_ULTRIX
129: { ECOFF_HDR_SIZE, exec_ecoff_makecmds, &emul_ultrix }, /* ecoff binaries */
130: #endif
131: #ifdef COMPAT_SVR4
132: { sizeof(Elf32_Ehdr), exec_elf32_makecmds, &emul_svr4 }, /* elf binaries */
133: #endif
134: #ifdef COMPAT_SUNOS
135: { sizeof(struct exec), exec_aout_makecmds, &emul_sunos },
136: #endif
137: #ifdef LKM
138: { 0, NULL, NULL }, /* entries for LKMs */
139: { 0, NULL, NULL },
140: { 0, NULL, NULL },
141: { 0, NULL, NULL },
142: { 0, NULL, NULL },
143: #endif
144: };
145: int nexecs = (sizeof execsw / sizeof(*execsw));
146: int exec_maxhdrsz;
147:
148: void init_exec(void);
149:
150: void
151: init_exec(void)
152: {
153: int i;
154:
155: /*
156: * figure out the maximum size of an exec header.
157: * XXX should be able to keep LKM code from modifying exec switch
158: * when we're still using it, but...
159: */
160: for (i = 0; i < nexecs; i++)
161: if (execsw[i].es_check != NULL &&
162: execsw[i].es_hdrsz > exec_maxhdrsz)
163: exec_maxhdrsz = execsw[i].es_hdrsz;
164: }
CVSweb
![[BACK]](/icons/back.gif){kind=icon}
Return to exec_conf.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / kern