linux_exec.h revision 1.23 
1/*	$NetBSD: linux_exec.h,v 1.23 2014/02/09 16:41:42 chs Exp $  */
2
3/*-
4 * Copyright (c) 1998, 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Emmanuel Dreyfus.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _POWERPC_LINUX_EXEC_H
33#define _POWERPC_LINUX_EXEC_H
34
35#include <sys/exec_aout.h>
36#include <sys/exec_elf.h>
37#include <sys/types.h>
38
39/*
40 * From Linux's include/asm-ppc/elf.h
41 */
42#define LINUX_ELF_HWCAP (0)
43
44/*
45 * From Linux's include/asm-ppc/param.h
46 */
47# define LINUX_CLOCKS_PER_SEC 100	/* frequency at which times() counts */
48
49/*
50 * Linux a.out format parameters
51 */
52#define LINUX_M_POWERPC		MID_POWERPC
53#define LINUX_MID_MACHINE	LINUX_M_POWERPC
54
55/*
56 * Linux Elf32 format parameters
57 */
58
59#define LINUX_GCC_SIGNATURE 1
60/*
61 * LINUX_ATEXIT_SIGNATURE enable the atexit_signature test. See
62 * sys/compat/linux/common/linux_exec_elf32.c:linux_atexit_signature()
63 */
64#define LINUX_ATEXIT_SIGNATURE	1
65
66/*
67 * LINUX_SHIFT enable the 16 bytes shift for arguments and ELF auxiliary
68 * table. This is needed on the PowerPC
69 */
70#define LINUX_SHIFT 0x0000000FUL
71
72/*
73 * Entries in the ELF auxiliary table. This is counted from
74 * sys/compat/linux/arc/powerpc/linux_exec_powerpc.c
75 */
76#define LINUX_ELF_AUX_ENTRIES 14
77
78/*
79 * Size of the auxiliary ELF table. On the PowerPC we need 16 extra bytes
80 * in order to force an alignment on a 16 bytes boundary (this is expected
81 * by PowerPC GNU ld.so).
82 */
83#define LINUX_ELF_AUX_ARGSIZ \
84	(howmany(LINUX_ELF_AUX_ENTRIES * sizeof(Aux32Info), sizeof(Elf32_Addr)) + LINUX_RANDOM_BYTES + 16)
85
86/* we have special powerpc ELF copyargs */
87#define LINUX_MACHDEP_ELF_COPYARGS
88
89#define linux_exec_setup_stack	exec_setup_stack
90
91#endif /* !_POWERPC_LINUX_EXEC_H */
92