1ad2056f2SAlexander Leidinger /*- 2023b850bSEd Maste * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 37f2d13d6SPedro F. Giffuni * 4ad2056f2SAlexander Leidinger * Copyright (c) 2006 Roman Divacky 581338031SDmitry Chagin * Copyright (c) 2013 Dmitry Chagin 6ad2056f2SAlexander Leidinger * All rights reserved. 7ad2056f2SAlexander Leidinger * 8ad2056f2SAlexander Leidinger * Redistribution and use in source and binary forms, with or without 9ad2056f2SAlexander Leidinger * modification, are permitted provided that the following conditions 10ad2056f2SAlexander Leidinger * are met: 11ad2056f2SAlexander Leidinger * 1. Redistributions of source code must retain the above copyright 12023b850bSEd Maste * notice, this list of conditions and the following disclaimer. 13ad2056f2SAlexander Leidinger * 2. Redistributions in binary form must reproduce the above copyright 14ad2056f2SAlexander Leidinger * notice, this list of conditions and the following disclaimer in the 15ad2056f2SAlexander Leidinger * documentation and/or other materials provided with the distribution. 16ad2056f2SAlexander Leidinger * 17023b850bSEd Maste * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18023b850bSEd Maste * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19023b850bSEd Maste * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20023b850bSEd Maste * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21023b850bSEd Maste * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22023b850bSEd Maste * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23023b850bSEd Maste * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24023b850bSEd Maste * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25023b850bSEd Maste * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26023b850bSEd Maste * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27023b850bSEd Maste * SUCH DAMAGE. 28ad2056f2SAlexander Leidinger * 29ad2056f2SAlexander Leidinger * $FreeBSD$ 30ad2056f2SAlexander Leidinger */ 31ad2056f2SAlexander Leidinger 32ad2056f2SAlexander Leidinger #ifndef _LINUX_EMUL_H_ 33ad2056f2SAlexander Leidinger #define _LINUX_EMUL_H_ 34ad2056f2SAlexander Leidinger 35*d49fb289SEdward Tomasz Napierala struct image_params; 36*d49fb289SEdward Tomasz Napierala 370eef2f8aSAlexander Leidinger /* 380eef2f8aSAlexander Leidinger * modeled after similar structure in NetBSD 39ad2056f2SAlexander Leidinger * this will be extended as we need more functionality 40ad2056f2SAlexander Leidinger */ 41ad2056f2SAlexander Leidinger struct linux_emuldata { 42ad2056f2SAlexander Leidinger int *child_set_tid; /* in clone(): Child's TID to set on clone */ 43ad2056f2SAlexander Leidinger int *child_clear_tid;/* in clone(): Child's TID to clear on exit */ 44ad2056f2SAlexander Leidinger 45bc273677SDmitry Chagin int flags; /* thread emuldata flags */ 4681338031SDmitry Chagin int em_tid; /* thread id */ 47955d762aSAlexander Leidinger 484732e446SRoman Divacky struct linux_robust_list_head *robust_futexes; 49ad2056f2SAlexander Leidinger }; 50ad2056f2SAlexander Leidinger 5181338031SDmitry Chagin struct linux_emuldata *em_find(struct thread *); 52ad2056f2SAlexander Leidinger 53b267239dSEd Maste int linux_exec_imgact_try(struct image_params *); 5481338031SDmitry Chagin void linux_proc_init(struct thread *, struct thread *, int); 55ad2056f2SAlexander Leidinger void linux_proc_exit(void *, struct proc *); 56e5d81ef1SDmitry Chagin void linux_schedtail(struct thread *); 57ad2056f2SAlexander Leidinger void linux_proc_exec(void *, struct proc *, struct image_params *); 5881338031SDmitry Chagin void linux_thread_dtor(void *arg __unused, struct thread *); 5981338031SDmitry Chagin void linux_thread_detach(struct thread *); 6081338031SDmitry Chagin int linux_common_execve(struct thread *, struct image_args *); 6194cb2ecfSAlexander Leidinger 62bc273677SDmitry Chagin /* process emuldata flags */ 63bc273677SDmitry Chagin #define LINUX_XDEPR_REQUEUEOP 0x00000001 /* uses deprecated 64bc273677SDmitry Chagin futex REQUEUE op*/ 65e16fe1c7SDmitry Chagin #define LINUX_XUNSUP_EPOLL 0x00000002 /* unsupported epoll events */ 665dd1d097SDmitry Chagin #define LINUX_XUNSUP_FUTEXPIOP 0x00000004 /* uses unsupported pi futex */ 67e16fe1c7SDmitry Chagin 68bc273677SDmitry Chagin struct linux_pemuldata { 69bc273677SDmitry Chagin uint32_t flags; /* process emuldata flags */ 70bc273677SDmitry Chagin struct sx pem_sx; /* lock for this struct */ 71e16fe1c7SDmitry Chagin void *epoll; /* epoll data */ 7223e8912cSDmitry Chagin uint32_t persona; /* process execution domain */ 73*d49fb289SEdward Tomasz Napierala uint32_t ptrace_flags; /* used by ptrace(2) */ 74bc273677SDmitry Chagin }; 75bc273677SDmitry Chagin 76bc273677SDmitry Chagin #define LINUX_PEM_XLOCK(p) sx_xlock(&(p)->pem_sx) 77bc273677SDmitry Chagin #define LINUX_PEM_XUNLOCK(p) sx_xunlock(&(p)->pem_sx) 78bc273677SDmitry Chagin #define LINUX_PEM_SLOCK(p) sx_slock(&(p)->pem_sx) 79bc273677SDmitry Chagin #define LINUX_PEM_SUNLOCK(p) sx_sunlock(&(p)->pem_sx) 80bc273677SDmitry Chagin 81bc273677SDmitry Chagin struct linux_pemuldata *pem_find(struct proc *); 82bc273677SDmitry Chagin 831ac2776bSEd Maste extern const int linux_errtbl[]; 846e481f83SEd Maste 85ad2056f2SAlexander Leidinger #endif /* !_LINUX_EMUL_H_ */ 86