linux32_exec.h revision 1.1.10.2 1 1.1.10.2 simonb /* $NetBSD: linux32_exec.h,v 1.1.10.2 2006/04/22 11:38:14 simonb Exp $ */
2 1.1.10.2 simonb
3 1.1.10.2 simonb /*-
4 1.1.10.2 simonb * Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved.
5 1.1.10.2 simonb *
6 1.1.10.2 simonb * Redistribution and use in source and binary forms, with or without
7 1.1.10.2 simonb * modification, are permitted provided that the following conditions
8 1.1.10.2 simonb * are met:
9 1.1.10.2 simonb * 1. Redistributions of source code must retain the above copyright
10 1.1.10.2 simonb * notice, this list of conditions and the following disclaimer.
11 1.1.10.2 simonb * 2. Redistributions in binary form must reproduce the above copyright
12 1.1.10.2 simonb * notice, this list of conditions and the following disclaimer in the
13 1.1.10.2 simonb * documentation and/or other materials provided with the distribution.
14 1.1.10.2 simonb * 3. All advertising materials mentioning features or use of this software
15 1.1.10.2 simonb * must display the following acknowledgement:
16 1.1.10.2 simonb * This product includes software developed by Emmanuel Dreyfus
17 1.1.10.2 simonb * 4. The name of the author may not be used to endorse or promote
18 1.1.10.2 simonb * products derived from this software without specific prior written
19 1.1.10.2 simonb * permission.
20 1.1.10.2 simonb *
21 1.1.10.2 simonb * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS''
22 1.1.10.2 simonb * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
23 1.1.10.2 simonb * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 1.1.10.2 simonb * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
25 1.1.10.2 simonb * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 1.1.10.2 simonb * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 1.1.10.2 simonb * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 1.1.10.2 simonb * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 1.1.10.2 simonb * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 1.1.10.2 simonb * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 1.1.10.2 simonb * POSSIBILITY OF SUCH DAMAGE.
32 1.1.10.2 simonb */
33 1.1.10.2 simonb #ifndef _AMD64_LINUX32_EXEC_H
34 1.1.10.2 simonb #define _AMD64_LINUX32_EXEC_H
35 1.1.10.2 simonb
36 1.1.10.2 simonb #include <sys/exec_elf.h>
37 1.1.10.2 simonb
38 1.1.10.2 simonb #define LINUX32_M_I386 100
39 1.1.10.2 simonb #define LINUX32_MID_MACHINE LINUX_M_I386
40 1.1.10.2 simonb #define LINUX32_USRSTACK 0xC0000000
41 1.1.10.2 simonb
42 1.1.10.2 simonb #define LINUX32_GCC_SIGNATURE 1
43 1.1.10.2 simonb
44 1.1.10.2 simonb #define LINUX32_ELF_AUX_ENTRIES 18
45 1.1.10.2 simonb
46 1.1.10.2 simonb /* Hardware platform identifier string */
47 1.1.10.2 simonb #define LINUX32_PLATFORM "i686"
48 1.1.10.2 simonb
49 1.1.10.2 simonb #define LINUX32_CPUCAP (curcpu()->ci_feature_flags)
50 1.1.10.2 simonb
51 1.1.10.2 simonb /* vsyscall assembly */
52 1.1.10.2 simonb static char linux32_kernel_vsyscall[] = {
53 1.1.10.2 simonb 0x55, /* push %ebp */ \
54 1.1.10.2 simonb 0x89, 0xcd, /* mov %ecx,%ebp */ \
55 1.1.10.2 simonb 0x0f, 0x05, /* syscall */ \
56 1.1.10.2 simonb 0xb9, 0x2b, 0x00, 0x00, 0x00, /* mov $0x2b,%ecx */ \
57 1.1.10.2 simonb 0x8e, 0xd1, /* movl %ecx,%ss */ \
58 1.1.10.2 simonb 0x89, 0xe9, /* mov %ebp,%ecx */ \
59 1.1.10.2 simonb 0x5d, /* pop %ebp */ \
60 1.1.10.2 simonb 0xc3, /* ret */ \
61 1.1.10.2 simonb };
62 1.1.10.2 simonb
63 1.1.10.2 simonb /* The extra data (ELF auxiliary table and platform name) on stack */
64 1.1.10.2 simonb struct linux32_extra_stack_data {
65 1.1.10.2 simonb Aux32Info ai[LINUX32_ELF_AUX_ENTRIES];
66 1.1.10.2 simonb char hw_platform[sizeof(LINUX32_PLATFORM)];
67 1.1.10.2 simonb int pad;
68 1.1.10.2 simonb Elf32_Ehdr elfhdr;
69 1.1.10.2 simonb char kernel_vsyscall[sizeof(linux32_kernel_vsyscall)];
70 1.1.10.2 simonb };
71 1.1.10.2 simonb #define LINUX32_ELF_AUX_ARGSIZ sizeof(struct linux32_extra_stack_data)
72 1.1.10.2 simonb
73 1.1.10.2 simonb #ifdef _KERNEL
74 1.1.10.2 simonb int linux32_exec_setup_stack(struct lwp *, struct exec_package *);
75 1.1.10.2 simonb #endif
76 1.1.10.2 simonb
77 1.1.10.2 simonb #endif /* !_AMD64_LINUX32_EXEC_H */
78