2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2018 Turing Robotic Industries Inc.
5 * Copyright (c) 2000 Marcel Moolenaar
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
34 #include <sys/param.h>
35 #include <sys/fcntl.h>
36 #include <sys/imgact.h>
41 #include <security/audit/audit.h>
43 #include <arm64/linux/linux.h>
44 #include <arm64/linux/linux_proto.h>
45 #include <compat/linux/linux_dtrace.h>
46 #include <compat/linux/linux_emul.h>
47 #include <compat/linux/linux_misc.h>
48 #include <compat/linux/linux_mmap.h>
49 #include <compat/linux/linux_util.h>
52 LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE);
55 LIN_SDT_PROBE_DEFINE0(machdep, linux_set_upcall_kse, todo);
56 LIN_SDT_PROBE_DEFINE0(machdep, linux_mmap2, todo);
57 LIN_SDT_PROBE_DEFINE0(machdep, linux_rt_sigsuspend, todo);
58 LIN_SDT_PROBE_DEFINE0(machdep, linux_sigaltstack, todo);
59 LIN_SDT_PROBE_DEFINE0(machdep, linux_set_cloned_tls, todo);
62 * LINUXTODO: deduplicate; linux_execve is common across archs, except that on
63 * amd64 compat linuxulator it calls freebsd32_exec_copyin_args.
66 linux_execve(struct thread *td, struct linux_execve_args *uap)
68 struct image_args eargs;
72 LCONVPATHEXIST(td, uap->path, &path);
74 error = exec_copyin_args(&eargs, path, UIO_SYSSPACE, uap->argp,
78 error = linux_common_execve(td, &eargs);
79 AUDIT_SYSCALL_EXIT(error == EJUSTRETURN ? 0 : error, td);
83 /* LINUXTODO: implement (or deduplicate) arm64 linux_set_upcall_kse */
85 linux_set_upcall_kse(struct thread *td, register_t stack)
88 LIN_SDT_PROBE0(machdep, linux_set_upcall_kse, todo);
92 /* LINUXTODO: deduplicate arm64 linux_mmap2 */
94 linux_mmap2(struct thread *td, struct linux_mmap2_args *uap)
97 LIN_SDT_PROBE0(machdep, linux_mmap2, todo);
98 return (linux_mmap_common(td, PTROUT(uap->addr), uap->len, uap->prot,
99 uap->flags, uap->fd, uap->pgoff));
103 linux_mprotect(struct thread *td, struct linux_mprotect_args *uap)
106 return (linux_mprotect_common(td, PTROUT(uap->addr), uap->len,
111 linux_madvise(struct thread *td, struct linux_madvise_args *uap)
114 return (linux_madvise_common(td, PTROUT(uap->addr), uap->len, uap->behav));
117 /* LINUXTODO: implement arm64 linux_rt_sigsuspend */
119 linux_rt_sigsuspend(struct thread *td, struct linux_rt_sigsuspend_args *uap)
122 LIN_SDT_PROBE0(machdep, linux_rt_sigsuspend, todo);
126 /* LINUXTODO: implement arm64 linux_sigaltstack */
128 linux_sigaltstack(struct thread *td, struct linux_sigaltstack_args *uap)
131 LIN_SDT_PROBE0(machdep, linux_sigaltstack, todo);
135 /* LINUXTODO: implement arm64 linux_set_cloned_tls */
137 linux_set_cloned_tls(struct thread *td, void *desc)
140 LIN_SDT_PROBE0(machdep, linux_set_cloned_tls, todo);