89647c7ca6
Process startup and dynamiclinking work, but processes hang due to Linux arch_prctl(2) not being really supported yet.
672 lines
15 KiB
C
672 lines
15 KiB
C
/* $NetBSD: exec_conf.c,v 1.90 2005/05/03 16:26:27 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 1.90 2005/05/03 16:26:27 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_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_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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#if 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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linux_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 */
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{ sizeof (Elf64_Ehdr),
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exec_elf64_makecmds,
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{ NULL },
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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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#endif
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#endif /* EXEC_ELF64 */
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#if defined(EXEC_MACHO)
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#ifdef COMPAT_DARWIN
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/* 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,
|
|
ibcs2_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,
|
|
ibcs2_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));
|