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freebsd_exec.c revision 1.42 
      1 /*	$NetBSD: freebsd_exec.c,v 1.42 2018/08/10 21:44:58 pgoyette Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1993, 1994 Christopher G. Demetriou
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Christopher G. Demetriou.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include <sys/cdefs.h>
     34 __KERNEL_RCSID(0, "$NetBSD: freebsd_exec.c,v 1.42 2018/08/10 21:44:58 pgoyette Exp $");
     35 
     36 #if defined(_KERNEL_OPT)
     37 #include "opt_syscall_debug.h"
     38 #endif
     39 
     40 #include <sys/param.h>
     41 #include <sys/systm.h>
     42 #include <sys/proc.h>
     43 
     44 #include <uvm/uvm_extern.h>
     45 
     46 #include <compat/sys/signal.h>
     47 #include <compat/sys/signalvar.h>
     48 
     49 #include <compat/freebsd/freebsd_syscall.h>
     50 #include <compat/freebsd/freebsd_exec.h>
     51 #include <compat/freebsd/freebsd_signal.h>
     52 #include <compat/common/compat_util.h>
     53 
     54 #include <compat/freebsd/freebsd_machdep.h>
     55 
     56 extern struct sysent freebsd_sysent[];
     57 extern const uint32_t freebsd_sysent_nomodbits[];
     58 extern const char * const freebsd_syscallnames[];
     59 
     60 struct uvm_object *emul_freebsd_object;
     61 
     62 #ifndef __HAVE_SYSCALL_INTERN
     63 void	syscall(void);
     64 #endif
     65 
     66 struct emul emul_freebsd = {
     67 	.e_name =		"freebsd",
     68 	.e_path =		"/emul/freebsd",
     69 #ifndef __HAVE_MINIMAL_EMUL
     70 	.e_flags =		EMUL_HAS_SYS___syscall,
     71 	.e_errno =		NULL,
     72 	.e_nosys =		FREEBSD_SYS_syscall,
     73 	.e_nsysent =		FREEBSD_SYS_NSYSENT,
     74 #endif
     75 	.e_sysent =		freebsd_sysent,
     76 	.e_nomodbits =		freebsd_sysent_nomodbits,
     77 #ifdef SYSCALL_DEBUG
     78 	.e_syscallnames =	freebsd_syscallnames,
     79 #else
     80 	.e_syscallnames =	NULL,
     81 #endif
     82 	.e_sendsig =		freebsd_sendsig,
     83 	.e_trapsignal =		trapsignal,
     84 	.e_sigcode =		freebsd_sigcode,
     85 	.e_esigcode =		freebsd_esigcode,
     86 	.e_sigobject =		&emul_freebsd_object,
     87 	.e_setregs =		freebsd_setregs,
     88 	.e_proc_exec =		NULL,
     89 	.e_proc_fork =		NULL,
     90 	.e_proc_exit =		NULL,
     91 	.e_lwp_fork =		NULL,
     92 	.e_lwp_exit =		NULL,
     93 #ifdef __HAVE_SYSCALL_INTERN
     94 	.e_syscall_intern =	freebsd_syscall_intern,
     95 #else
     96 	.e_syscall_intern =	syscall,
     97 #endif
     98 	.e_sysctlovly =		NULL,
     99 	.e_vm_default_addr =	uvm_default_mapaddr,
    100 	.e_usertrap =		NULL,
    101 	.e_ucsize =		0,
    102 	.e_startlwp =		NULL
    103 };
    104