xref: /netbsd-src/sys/arch/riscv/riscv/exec_machdep.c (revision c5465e9191b8a42565681913688a03ae7ae6850d)
1 /*	$NetBSD: exec_machdep.c,v 1.3 2022/09/29 06:51:17 skrll Exp $	*/
2 
3 /*-
4  * Copyright (c) 2014 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Matt Thomas of 3am Software Foundry.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: exec_machdep.c,v 1.3 2022/09/29 06:51:17 skrll Exp $");
34 
35 #include "opt_execfmt.h"
36 
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/proc.h>
40 #include <sys/vnode.h>
41 #include <sys/exec.h>
42 #include <sys/namei.h>
43 #include <sys/resourcevar.h>
44 #include <sys/exec_elf.h>
45 
46 #include <uvm/uvm_extern.h>
47 
48 #include <compat/common/compat_util.h>
49 
50 #if EXEC_ELF32
51 int
cpu_netbsd_elf32_probe(struct lwp * l,struct exec_package * epp,void * eh0,char * itp,vaddr_t * start_p)52 cpu_netbsd_elf32_probe(struct lwp *l, struct exec_package *epp, void *eh0,
53     char *itp, vaddr_t *start_p)
54 {
55 	(void)compat_elf_check_interp(epp, itp, "rv32");
56 	return 0;
57 }
58 #endif
59 
60 #if EXEC_ELF64
61 int
cpu_netbsd_elf64_probe(struct lwp * l,struct exec_package * epp,void * eh0,char * itp,vaddr_t * start_p)62 cpu_netbsd_elf64_probe(struct lwp *l, struct exec_package *epp, void *eh0,
63     char *itp, vaddr_t *start_p)
64 {
65 	(void)compat_elf_check_interp(epp, itp, "rv64");
66 	return 0;
67 }
68 #endif
69