16ee93eb67
to be the value of emul_linux.e_syscall that we want. This allows it to differ between machines, so I can have a separate linux_syscall() on arm.
128 lines
4.3 KiB
C
128 lines
4.3 KiB
C
/* $NetBSD: linux_exec.h,v 1.6 2002/01/17 17:19:03 bjh21 Exp $ */
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/*-
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* Copyright (c) 1998, 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Emmanuel Dreyfus.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _POWERPC_LINUX_EXEC_H
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#define _POWERPC_LINUX_EXEC_H
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#include <sys/exec_aout.h>
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#include <sys/exec_elf.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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/*
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* From Linux's include/asm-ppc/elf.h
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*/
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#define LINUX_ELF_HWCAP (0)
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/*
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* From Linux's include/asm-ppc/param.h
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*/
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# define LINUX_CLOCKS_PER_SEC 100 /* frequency at which times() counts */
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/*
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* Linux a.out format parameters
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*/
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#define LINUX_M_POWERPC MID_POWERPC
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#define LINUX_MID_MACHINE LINUX_M_POWERPC
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/*
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* Linux Elf32 format parameters
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*/
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#define LINUX_GCC_SIGNATURE 1
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/*
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* LINUX_ATEXIT_SIGNATURE enable the atexit_signature test. See
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* sys/compat/linux/common/linux_exec_elf32.c:linux_atexit_signature()
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*/
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#define LINUX_ATEXIT_SIGNATURE 1
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/*
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* LINUX_SHIFT enable the 16 bytes shift for arguments and ELF auxiliary
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* table. This is needed on the PowerPC
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*/
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#define LINUX_SHIFT 0x0000000FUL
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/*
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* LINUX_SP_WRAP enable the stack pointer wrap before Linux's ld.so
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* transfers control to the Linux executable. It is set to the size
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* of the stack pointer wrap code, which is defined in
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* sys/compat/linux/arch/powerpc/linux_sp_wrap.S
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*/
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#define LINUX_SP_WRAP 0x30 /* Size of the stack pointer wrap code */
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/*
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* Entries in the ELF auxiliary table. This is counted from
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* sys/compat/linux/arc/powerpc/linux_exec_powerpc.c
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*/
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#define LINUX_ELF_AUX_ENTRIES 14
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/*
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* Size of the auxiliary ELF table. On the PowerPC we need 16 extra bytes
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* in order to force an alignement on a 16 bytes boundary (this is expected
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* by PowerPC GNU ld.so). If we use LINUX_SP_WRAP, we also need some extra
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* room for the sp_wrap_code.
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*/
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#ifdef LINUX_SP_WRAP
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#define LINUX_ELF_AUX_ARGSIZ \
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((howmany(ELF_AUX_ENTRIES * sizeof(LinuxAuxInfo), sizeof(Elf32_Addr))) \
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+ 16 + LINUX_SP_WRAP)
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#else
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#define LINUX_ELF_AUX_ARGSIZ \
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((howmany(ELF_AUX_ENTRIES * sizeof(LinuxAuxInfo), sizeof(Elf32_Addr))) + 16)
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#endif
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/* XXX should use ELFNAME2 */
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#define LINUX_COPYARGS_FUNCTION linux_elf32_copyargs
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typedef struct {
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Elf32_Sword a_type;
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Elf32_Word a_v;
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} LinuxAux32Info;
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#define LinuxAuxInfo LinuxAux32Info
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/* NetBSD/powerpc doesn't use e_syscall, so use the default. */
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#define LINUX_SYSCALL_FUNCTION syscall
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#ifdef _KERNEL
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__BEGIN_DECLS
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int linux_elf32_copyargs __P((struct exec_package *,
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struct ps_strings *, char **, void *));
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__END_DECLS
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#endif /* _KERNEL */
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#endif /* !_POWERPC_LINUX_EXEC_H */
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