1 /*- 2 * Copyright (c) 1991 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * from: @(#)proc.h 7.1 (Berkeley) 5/15/91 34 * from: FreeBSD: src/sys/i386/include/proc.h,v 1.11 2001/06/29 35 * $FreeBSD$ 36 */ 37 38 #ifndef _MACHINE_PROC_H_ 39 #define _MACHINE_PROC_H_ 40 41 #include <machine/utrap.h> 42 43 struct md_utrap { 44 utrap_entry_t *ut_precise[UT_MAX]; /* must be first */ 45 int ut_refcnt; 46 }; 47 48 struct mdthread { 49 int md_spinlock_count; /* (k) */ 50 register_t md_saved_cspr; /* (k) */ 51 register_t md_spurflt_addr; /* (k) Spurious page fault address. */ 52 int md_ptrace_instr; 53 int md_ptrace_addr; 54 register_t md_tp; 55 void *md_ras_start; 56 void *md_ras_end; 57 }; 58 59 struct mdproc { 60 struct md_utrap *md_utrap; 61 void *md_sigtramp; 62 }; 63 64 #define KINFO_PROC_SIZE 816 65 66 #define MAXARGS 8 67 /* 68 * This holds the syscall state for a single system call. 69 * As some syscall arguments may be 64-bit aligned we need to ensure the 70 * args value is 64-bit aligned. The ABI will then ensure any 64-bit 71 * arguments are already correctly aligned, even if they were passed in 72 * via registers, we just need to make sure we copy them to an aligned 73 * buffer. 74 */ 75 struct syscall_args { 76 u_int code; 77 struct sysent *callp; 78 register_t args[MAXARGS]; 79 int narg; 80 u_int nap; 81 } __aligned(8); 82 83 #endif /* !_MACHINE_PROC_H_ */ 84