1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 1991 Regents of the University of California. 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 the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: @(#)proc.h 7.1 (Berkeley) 5/15/91 36 * from: FreeBSD: src/sys/i386/include/proc.h,v 1.11 2001/06/29 37 * $FreeBSD$ 38 */ 39 40 #ifndef _MACHINE_PROC_H_ 41 #define _MACHINE_PROC_H_ 42 43 #include <machine/utrap.h> 44 45 struct md_utrap { 46 utrap_entry_t *ut_precise[UT_MAX]; /* must be first */ 47 int ut_refcnt; 48 }; 49 50 struct mdthread { 51 int md_spinlock_count; /* (k) */ 52 register_t md_saved_cspr; /* (k) */ 53 register_t md_spurflt_addr; /* (k) Spurious page fault address. */ 54 int md_ptrace_instr; 55 int md_ptrace_addr; 56 int md_ptrace_instr_alt; 57 int md_ptrace_addr_alt; 58 }; 59 60 struct mdproc { 61 struct md_utrap *md_utrap; 62 void *md_sigtramp; 63 }; 64 65 #define KINFO_PROC_SIZE 816 66 67 #define MAXARGS 8 68 /* 69 * This holds the syscall state for a single system call. 70 * As some syscall arguments may be 64-bit aligned we need to ensure the 71 * args value is 64-bit aligned. The ABI will then ensure any 64-bit 72 * arguments are already correctly aligned, even if they were passed in 73 * via registers, we just need to make sure we copy them to an aligned 74 * buffer. 75 */ 76 struct syscall_args { 77 u_int code; 78 u_int original_code; 79 struct sysent *callp; 80 register_t args[MAXARGS]; 81 } __aligned(8); 82 83 #endif /* !_MACHINE_PROC_H_ */ 84