26200ee754
This areas is called the comm pages. It is used to provide fast access to several data and functions. The comm pages are mapped starting at 0xffff800 (address chosed so that absolute branch can be used, so it can be accessed even when dynamic linking is not ready). NetBSD has the user stack here, so we need to provide a Darwin-specific stack setup routine which sets the top of the stack at 0xbfff0000. This implementation is not complete but it does enough to get MacOS X.3 starting again (static binaries run, dynamic binaries still have an issue). in the comm pages functions, we only implement bcopy, pthread_self and memcpy. TODO: - clean up the powerpc specific code from MD parts - for now we map only one page to avoid a crash, we want two pages. - write all the comm functions.
678 lines
15 KiB
C
678 lines
15 KiB
C
/* $NetBSD: exec_conf.c,v 1.85 2004/07/03 00:14:30 manu Exp $ */
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/*
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* Copyright (c) 1993, 1994 Christopher G. Demetriou
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* All rights reserved.
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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 Christopher G. Demetriou.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: exec_conf.c,v 1.85 2004/07/03 00:14:30 manu Exp $");
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#include "opt_execfmt.h"
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#include "opt_compat_freebsd.h"
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#include "opt_compat_linux.h"
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#include "opt_compat_ibcs2.h"
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#include "opt_compat_irix.h"
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#include "opt_compat_sunos.h"
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#include "opt_compat_hpux.h"
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#include "opt_compat_m68k4k.h"
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#include "opt_compat_mach.h"
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#include "opt_compat_darwin.h"
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#include "opt_compat_svr4.h"
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#include "opt_compat_netbsd32.h"
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#include "opt_compat_aout.h"
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#include "opt_compat_aout_m68k.h"
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#include "opt_compat_vax1k.h"
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#include "opt_compat_pecoff.h"
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#include "opt_compat_osf1.h"
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#include "opt_compat_ultrix.h"
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#include "opt_compat_netbsd.h"
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#include <sys/param.h>
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#include <sys/exec.h>
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#include <sys/signalvar.h>
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#ifdef EXEC_SCRIPT
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#include <sys/exec_script.h>
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#endif
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#ifdef EXEC_AOUT
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/*#include <sys/exec_aout.h> -- automatically pulled in */
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#endif
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#ifdef EXEC_COFF
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#include <sys/exec_coff.h>
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#endif
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#ifdef EXEC_ECOFF
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#include <sys/exec_ecoff.h>
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#endif
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#if defined(EXEC_ELF32) || defined(EXEC_ELF64)
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#include <sys/exec_elf.h>
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#define CONCAT(x,y) __CONCAT(x,y)
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#define ELF32NAME(x) CONCAT(elf,CONCAT(32,CONCAT(_,x)))
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#define ELF32NAME2(x,y) CONCAT(x,CONCAT(_elf32_,y))
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#define ELF64NAME(x) CONCAT(elf,CONCAT(64,CONCAT(_,x)))
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#define ELF64NAME2(x,y) CONCAT(x,CONCAT(_elf64_,y))
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#ifdef EXEC_ELF32
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int ELF32NAME2(netbsd,probe)(struct proc *, struct exec_package *,
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void *, char *, vaddr_t *);
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#endif
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#ifdef EXEC_ELF64
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int ELF64NAME2(netbsd,probe)(struct proc *, struct exec_package *,
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void *, char *, vaddr_t *);
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#endif
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/*
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* Compatibility with old ELF binaries without NetBSD note.
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* Generic ELF executable kernel support was added in NetBSD 1.1.
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* The NetBSD note was introduced in NetBSD 1.3 together with initial
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* ELF shared library support.
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*/
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#ifndef EXEC_ELF_NOTELESS
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# if defined(COMPAT_11) || defined(COMPAT_12)
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# define EXEC_ELF_NOTELESS 1
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# endif
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#endif /* !EXEC_ELF_NOTELESS */
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#endif /* ELF32 || ELF64 */
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#ifdef EXEC_MACHO
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#include <sys/exec_macho.h>
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#endif
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#ifdef COMPAT_SUNOS
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#include <compat/sunos/sunos_exec.h>
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#endif
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#if defined(COMPAT_SVR4) || defined(COMPAT_SVR4_32)
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#include <compat/svr4/svr4_exec.h>
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#endif
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#ifdef COMPAT_SVR4_32
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#include <compat/svr4_32/svr4_32_exec.h>
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#endif
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#ifdef COMPAT_IBCS2
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#include <sys/exec_coff.h>
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#include <compat/ibcs2/ibcs2_exec.h>
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#include <machine/ibcs2_machdep.h>
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#endif
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#ifdef COMPAT_LINUX
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#include <compat/linux/common/linux_exec.h>
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#endif
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#ifdef COMPAT_DARWIN
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#include <compat/darwin/darwin_exec.h>
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#endif
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#ifdef COMPAT_FREEBSD
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#include <compat/freebsd/freebsd_exec.h>
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#endif
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#ifdef COMPAT_HPUX
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#include <compat/hpux/hpux_exec.h>
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#endif
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#ifdef COMPAT_M68K4K
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#include <compat/m68k4k/m68k4k_exec.h>
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#endif
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#ifdef COMPAT_MACH
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#include <compat/mach/mach_exec.h>
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#endif
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#ifdef COMPAT_IRIX
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#include <compat/irix/irix_exec.h>
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#endif
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#ifdef COMPAT_NETBSD32
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#include <compat/netbsd32/netbsd32_exec.h>
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#ifdef COMPAT_SUNOS
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#include <compat/sunos32/sunos32_exec.h>
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#endif
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#endif
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#ifdef COMPAT_VAX1K
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#include <compat/vax1k/vax1k_exec.h>
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#endif
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#ifdef COMPAT_PECOFF
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#include <sys/exec_coff.h>
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#include <compat/pecoff/pecoff_exec.h>
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#endif
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#ifdef COMPAT_OSF1
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#include <compat/osf1/osf1.h>
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#include <compat/osf1/osf1_exec.h>
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#endif
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#ifdef COMPAT_ULTRIX
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#include <compat/ultrix/ultrix_exec.h>
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#endif
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extern const struct emul emul_netbsd;
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#ifdef COMPAT_AOUT
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extern const struct emul emul_netbsd_aout;
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#endif
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#ifdef COMPAT_AOUT_M68K
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extern const struct emul emul_netbsd_aoutm68k;
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#endif
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const struct execsw execsw_builtin[] = {
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#ifdef EXEC_SCRIPT
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/* Shell scripts */
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{ SCRIPT_HDR_SIZE,
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exec_script_makecmds,
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{ NULL },
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NULL,
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EXECSW_PRIO_ANY,
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0,
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NULL,
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NULL,
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NULL,
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exec_setup_stack },
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#endif /* EXEC_SCRIPT */
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#ifdef EXEC_AOUT
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#ifdef COMPAT_NETBSD32
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/* 32-bit NetBSD a.out on 64-bit */
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{ sizeof(struct netbsd32_exec),
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exec_netbsd32_makecmds,
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{ NULL },
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&emul_netbsd32,
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EXECSW_PRIO_FIRST,
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0,
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netbsd32_copyargs,
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NULL,
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coredump_netbsd32,
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exec_setup_stack },
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#else /* !COMPAT_NETBSD32 */
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/* Native a.out */
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{ sizeof(struct exec),
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exec_aout_makecmds,
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{ NULL },
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#ifdef COMPAT_AOUT
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&emul_netbsd_aout,
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#elif defined(COMPAT_AOUT_M68K)
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&emul_netbsd_aoutm68k,
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#else
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&emul_netbsd,
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#endif
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EXECSW_PRIO_ANY,
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0,
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copyargs,
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NULL,
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coredump_netbsd,
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exec_setup_stack },
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#endif /* !COMPAT_NETBSD32 */
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#endif /* EXEC_AOUT */
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#ifdef EXEC_COFF
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/* Native COFF */
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{ COFF_HDR_SIZE,
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exec_coff_makecmds,
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{ NULL },
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&emul_netbsd,
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EXECSW_PRIO_ANY,
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0,
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copyargs,
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NULL,
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coredump_netbsd,
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exec_setup_stack },
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#endif /* EXEC_COFF */
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#ifdef EXEC_ECOFF
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#ifdef COMPAT_OSF1
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/* OSF/1 (Digital Unix) ECOFF */
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{ ECOFF_HDR_SIZE,
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exec_ecoff_makecmds,
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{ .ecoff_probe_func = osf1_exec_ecoff_probe },
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&emul_osf1,
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EXECSW_PRIO_ANY,
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howmany(OSF1_MAX_AUX_ENTRIES * sizeof (struct osf1_auxv) +
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2 * (MAXPATHLEN + 1), sizeof (char *)), /* exec & loader names */
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osf1_copyargs,
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cpu_exec_ecoff_setregs,
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coredump_netbsd,
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exec_setup_stack },
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#endif
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/* Native ECOFF */
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{ ECOFF_HDR_SIZE,
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exec_ecoff_makecmds,
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{ .ecoff_probe_func = cpu_exec_ecoff_probe },
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&emul_netbsd,
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EXECSW_PRIO_ANY,
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0,
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copyargs,
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cpu_exec_ecoff_setregs,
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coredump_netbsd,
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exec_setup_stack },
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#ifdef COMPAT_ULTRIX
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/* Ultrix ECOFF */
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{ ECOFF_HDR_SIZE,
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exec_ecoff_makecmds,
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{ .ecoff_probe_func = ultrix_exec_ecoff_probe },
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&emul_ultrix,
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EXECSW_PRIO_LAST, /* XXX probe func alw. succeeds */
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0,
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copyargs,
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cpu_exec_ecoff_setregs,
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coredump_netbsd,
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exec_setup_stack },
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#endif
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#endif /* EXEC_ECOFF */
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#ifdef EXEC_ELF32
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#ifdef COMPAT_NETBSD32
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/* Elf32 NetBSD on 64-bit */
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{ sizeof (Elf32_Ehdr),
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exec_elf32_makecmds,
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{ ELF32NAME2(netbsd32,probe) },
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&emul_netbsd32,
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EXECSW_PRIO_FIRST,
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howmany(ELF_AUX_ENTRIES * sizeof(Aux32Info), sizeof (Elf32_Addr)),
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netbsd32_elf32_copyargs,
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NULL,
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coredump_elf32,
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exec_setup_stack }, /* XXX XXX XXX */
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/* This one should go first so it matches instead of native */
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#ifdef COMPAT_SVR4_32
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/* SVR4 Elf32 on 64-bit */
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{ sizeof (Elf32_Ehdr),
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exec_elf32_makecmds,
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{ ELF32NAME2(svr4_32,probe) },
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&emul_svr4_32,
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EXECSW_PRIO_ANY,
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SVR4_32_AUX_ARGSIZ,
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svr4_32_copyargs,
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NULL,
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coredump_elf32,
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exec_setup_stack }, /* XXX XXX XXX */
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/* This one should go first so it matches instead of native */
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#endif
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#if 0
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#if EXEC_ELF_NOTELESS
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/* Generic compat Elf32 -- run as compat NetBSD Elf32 */
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{ sizeof (Elf32_Ehdr),
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exec_elf32_makecmds,
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{ ELF32NAME2(netbsd32,probe_noteless) },
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&emul_netbsd32,
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EXECSW_PRIO_FIRST,
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howmany(ELF_AUX_ENTRIES * sizeof(Aux32Info), sizeof (Elf32_Addr)),
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netbsd32_elf32_copyargs,
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NULL,
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coredump_elf32,
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exec_setup_stack }, /* XXX XXX XXX */
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#endif
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#endif
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#else /* !COMPAT_NETBSD32 */
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/* Native Elf32 */
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{ sizeof (Elf32_Ehdr),
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exec_elf32_makecmds,
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{ ELF32NAME2(netbsd,probe) },
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&emul_netbsd,
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EXECSW_PRIO_ANY,
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howmany(ELF_AUX_ENTRIES * sizeof(Aux32Info), sizeof (Elf32_Addr)),
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elf32_copyargs,
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NULL,
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coredump_elf32,
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exec_setup_stack },
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#ifdef COMPAT_FREEBSD
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/* FreeBSD Elf32 (probe not 64-bit safe) */
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{ sizeof (Elf32_Ehdr),
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exec_elf32_makecmds,
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{ ELF32NAME2(freebsd,probe) },
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&emul_freebsd,
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EXECSW_PRIO_ANY,
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howmany(ELF_AUX_ENTRIES * sizeof(Aux32Info), sizeof(Elf32_Addr)),
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elf32_copyargs,
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NULL,
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coredump_elf32,
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exec_setup_stack },
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#endif
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#ifdef COMPAT_LINUX
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/* Linux Elf32 */
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{ sizeof (Elf32_Ehdr),
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exec_elf32_makecmds,
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{ ELF32NAME2(linux,probe) },
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&emul_linux,
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EXECSW_PRIO_ANY,
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LINUX_ELF_AUX_ARGSIZ,
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linux_elf32_copyargs,
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NULL,
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coredump_elf32,
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linux_exec_setup_stack },
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#endif
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#ifdef COMPAT_IRIX
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/* IRIX Elf32 n32 ABI */
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{ sizeof (Elf32_Ehdr),
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exec_elf32_makecmds,
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{ ELF32NAME2(irix,probe_n32) },
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&emul_irix,
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EXECSW_PRIO_ANY,
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IRIX_AUX_ARGSIZ,
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irix_elf32_copyargs,
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irix_n32_setregs,
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coredump_elf32,
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exec_setup_stack },
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/* IRIX Elf32 o32 ABI */
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{ sizeof (Elf32_Ehdr),
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exec_elf32_makecmds,
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{ ELF32NAME2(irix,probe_o32) },
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&emul_irix,
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EXECSW_PRIO_ANY,
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IRIX_AUX_ARGSIZ,
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irix_elf32_copyargs,
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NULL,
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coredump_elf32,
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exec_setup_stack },
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#endif
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#ifdef COMPAT_SVR4
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/* SVR4 Elf32 */
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{ sizeof (Elf32_Ehdr),
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exec_elf32_makecmds,
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{ ELF32NAME2(svr4,probe) },
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&emul_svr4,
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EXECSW_PRIO_ANY,
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howmany(ELF_AUX_ENTRIES * sizeof(Aux32Info), sizeof (Elf32_Addr)),
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elf32_copyargs,
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NULL,
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coredump_elf32,
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exec_setup_stack },
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#endif
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#ifdef COMPAT_IBCS2
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/* SCO Elf32 */
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{ sizeof (Elf32_Ehdr),
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exec_elf32_makecmds,
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{ ELF32NAME2(ibcs2,probe) },
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&emul_ibcs2,
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EXECSW_PRIO_ANY,
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howmany(ELF_AUX_ENTRIES * sizeof(Aux32Info), sizeof (Elf32_Addr)),
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elf32_copyargs,
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NULL,
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coredump_elf32,
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exec_setup_stack },
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#endif
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#if EXEC_ELF_NOTELESS
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/* Generic Elf32 -- run at NetBSD Elf32 */
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{ sizeof (Elf32_Ehdr),
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exec_elf32_makecmds,
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{ NULL },
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&emul_netbsd,
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EXECSW_PRIO_LAST,
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howmany(ELF_AUX_ENTRIES * sizeof(Aux32Info), sizeof (Elf32_Addr)),
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elf32_copyargs,
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NULL,
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coredump_elf32,
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exec_setup_stack },
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#endif
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#endif /* !COMPAT_NETBSD32 */
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#endif /* EXEC_ELF32 */
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#ifdef EXEC_ELF64
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/* Native Elf64 */
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{ sizeof (Elf64_Ehdr),
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exec_elf64_makecmds,
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{ ELF64NAME2(netbsd,probe) },
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&emul_netbsd,
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EXECSW_PRIO_ANY,
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howmany(ELF_AUX_ENTRIES * sizeof(Aux64Info), sizeof (Elf64_Addr)),
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elf64_copyargs,
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NULL,
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coredump_elf64,
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exec_setup_stack },
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#ifdef COMPAT_LINUX
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/* Linux Elf64 */
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{ sizeof (Elf64_Ehdr),
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exec_elf64_makecmds,
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{ ELF64NAME2(linux,probe) },
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&emul_linux,
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EXECSW_PRIO_ANY,
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LINUX_ELF_AUX_ARGSIZ,
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linux_elf64_copyargs,
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NULL,
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coredump_elf64,
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exec_setup_stack },
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#endif
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#ifdef COMPAT_SVR4
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/* SVR4 Elf64 */
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{ sizeof (Elf64_Ehdr),
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exec_elf64_makecmds,
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{ ELF64NAME2(svr4,probe) },
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&emul_svr4,
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EXECSW_PRIO_ANY,
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howmany(ELF_AUX_ENTRIES * sizeof(Aux64Info), sizeof (Elf64_Addr)),
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elf64_copyargs,
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NULL,
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coredump_elf64,
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exec_setup_stack },
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#endif
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#if EXEC_ELF_NOTELESS
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|
/* Generic Elf64 -- run at NetBSD Elf64 */
|
|
{ sizeof (Elf64_Ehdr),
|
|
exec_elf64_makecmds,
|
|
{ NULL },
|
|
&emul_netbsd,
|
|
EXECSW_PRIO_ANY,
|
|
howmany(ELF_AUX_ENTRIES * sizeof(Aux64Info), sizeof (Elf64_Addr)),
|
|
elf64_copyargs,
|
|
NULL,
|
|
coredump_elf64,
|
|
exec_setup_stack },
|
|
#endif
|
|
#endif /* EXEC_ELF64 */
|
|
|
|
#if defined(EXEC_MACHO)
|
|
#ifdef COMPAT_DARWIN
|
|
/* Darwin Mach-O (native word size) */
|
|
{ sizeof (struct exec_macho_fat_header),
|
|
exec_macho_makecmds,
|
|
{ .mach_probe_func = exec_darwin_probe },
|
|
&emul_darwin,
|
|
EXECSW_PRIO_ANY,
|
|
MAXPATHLEN + 1,
|
|
exec_darwin_copyargs,
|
|
NULL,
|
|
coredump_netbsd,
|
|
darwin_exec_setup_stack },
|
|
#endif
|
|
|
|
#ifdef COMPAT_MACH
|
|
/* Mach MACH-O (native word size) */
|
|
{ sizeof (struct exec_macho_fat_header),
|
|
exec_macho_makecmds,
|
|
{ .mach_probe_func = exec_mach_probe },
|
|
&emul_mach,
|
|
EXECSW_PRIO_ANY,
|
|
MAXPATHLEN + 1,
|
|
exec_mach_copyargs,
|
|
NULL,
|
|
coredump_netbsd,
|
|
exec_setup_stack },
|
|
#endif
|
|
#endif /* EXEC_MACHO */
|
|
|
|
#ifdef COMPAT_SUNOS
|
|
#ifdef COMPAT_NETBSD32
|
|
/* 32-bit SunOS a.out on 64-bit */
|
|
{ SUNOS32_AOUT_HDR_SIZE,
|
|
exec_sunos32_aout_makecmds,
|
|
{ NULL },
|
|
&emul_sunos,
|
|
EXECSW_PRIO_ANY,
|
|
0,
|
|
netbsd32_copyargs,
|
|
NULL,
|
|
coredump_netbsd,
|
|
exec_setup_stack },
|
|
#else
|
|
/* SunOS a.out (native word size) */
|
|
{ SUNOS_AOUT_HDR_SIZE,
|
|
exec_sunos_aout_makecmds,
|
|
{ NULL },
|
|
&emul_sunos,
|
|
EXECSW_PRIO_ANY,
|
|
0,
|
|
copyargs,
|
|
NULL,
|
|
coredump_netbsd,
|
|
exec_setup_stack },
|
|
#endif
|
|
#endif /* COMPAT_SUNOS */
|
|
|
|
#if defined(COMPAT_LINUX) && defined(EXEC_AOUT)
|
|
/* Linux a.out (native word size) */
|
|
{ LINUX_AOUT_HDR_SIZE,
|
|
exec_linux_aout_makecmds,
|
|
{ NULL },
|
|
&emul_linux,
|
|
EXECSW_PRIO_ANY,
|
|
LINUX_AOUT_AUX_ARGSIZ,
|
|
linux_aout_copyargs,
|
|
NULL,
|
|
coredump_netbsd,
|
|
linux_exec_setup_stack },
|
|
#endif
|
|
|
|
#ifdef COMPAT_IBCS2
|
|
/* iBCS2 COFF (native word size) */
|
|
{ COFF_HDR_SIZE,
|
|
exec_ibcs2_coff_makecmds,
|
|
{ NULL },
|
|
&emul_ibcs2,
|
|
EXECSW_PRIO_ANY,
|
|
0,
|
|
copyargs,
|
|
NULL,
|
|
coredump_netbsd,
|
|
exec_setup_stack },
|
|
|
|
/* iBCS2 x.out (native word size) */
|
|
{ XOUT_HDR_SIZE,
|
|
exec_ibcs2_xout_makecmds,
|
|
{ NULL },
|
|
&emul_ibcs2,
|
|
EXECSW_PRIO_ANY,
|
|
0,
|
|
copyargs,
|
|
NULL,
|
|
coredump_netbsd,
|
|
exec_setup_stack },
|
|
#endif
|
|
|
|
#if defined(COMPAT_FREEBSD) && defined(EXEC_AOUT)
|
|
/* FreeBSD a.out (native word size) */
|
|
{ FREEBSD_AOUT_HDR_SIZE,
|
|
exec_freebsd_aout_makecmds,
|
|
{ NULL },
|
|
&emul_freebsd,
|
|
EXECSW_PRIO_ANY,
|
|
0,
|
|
copyargs,
|
|
NULL,
|
|
coredump_netbsd,
|
|
exec_setup_stack },
|
|
#endif
|
|
|
|
#ifdef COMPAT_HPUX
|
|
/* HP-UX a.out for m68k (native word size) */
|
|
{ HPUX_EXEC_HDR_SIZE,
|
|
exec_hpux_makecmds,
|
|
{ NULL },
|
|
&emul_hpux,
|
|
EXECSW_PRIO_ANY,
|
|
0,
|
|
copyargs,
|
|
NULL,
|
|
coredump_netbsd,
|
|
exec_setup_stack },
|
|
#endif
|
|
|
|
#ifdef COMPAT_M68K4K
|
|
/* NetBSD a.out for m68k4k */
|
|
{ sizeof(struct exec),
|
|
exec_m68k4k_makecmds,
|
|
{ NULL },
|
|
&emul_netbsd,
|
|
EXECSW_PRIO_ANY,
|
|
0,
|
|
copyargs,
|
|
NULL,
|
|
coredump_netbsd,
|
|
exec_setup_stack },
|
|
#endif
|
|
|
|
#ifdef COMPAT_VAX1K
|
|
/* NetBSD vax1k a.out */
|
|
{ sizeof(struct exec),
|
|
exec_vax1k_makecmds,
|
|
{ NULL },
|
|
&emul_netbsd,
|
|
EXECSW_PRIO_ANY,
|
|
0,
|
|
copyargs,
|
|
NULL,
|
|
coredump_netbsd,
|
|
exec_setup_stack },
|
|
#endif
|
|
|
|
#ifdef COMPAT_PECOFF
|
|
/* Win32/WinCE PE/COFF (native word size) */
|
|
{ PECOFF_HDR_SIZE,
|
|
exec_pecoff_makecmds,
|
|
{ NULL },
|
|
&emul_pecoff,
|
|
EXECSW_PRIO_ANY,
|
|
howmany(sizeof(struct pecoff_args), sizeof(char *)),
|
|
pecoff_copyargs,
|
|
NULL,
|
|
coredump_netbsd,
|
|
exec_setup_stack },
|
|
#endif
|
|
};
|
|
int nexecs_builtin = (sizeof(execsw_builtin) / sizeof(struct execsw));
|