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 struct mdthread { 44 int md_spinlock_count; /* (k) */ 45 register_t md_saved_cspr; /* (k) */ 46 register_t md_spurflt_addr; /* (k) Spurious page fault address. */ 47 int md_ptrace_instr; 48 int md_ptrace_addr; 49 int md_ptrace_instr_alt; 50 int md_ptrace_addr_alt; 51 }; 52 53 struct mdproc { 54 long md_dummy; 55 }; 56 57 #define KINFO_PROC_SIZE 816 58 59 #define MAXARGS 8 60 /* 61 * This holds the syscall state for a single system call. 62 * As some syscall arguments may be 64-bit aligned we need to ensure the 63 * args value is 64-bit aligned. The ABI will then ensure any 64-bit 64 * arguments are already correctly aligned, even if they were passed in 65 * via registers, we just need to make sure we copy them to an aligned 66 * buffer. 67 */ 68 struct syscall_args { 69 u_int code; 70 u_int original_code; 71 struct sysent *callp; 72 register_t args[MAXARGS]; 73 } __aligned(8); 74 75 #ifdef _KERNEL 76 #include <machine/pcb.h> 77 78 /* Get the current kernel thread stack usage. */ 79 #define GET_STACK_USAGE(total, used) do { \ 80 struct thread *td = curthread; \ 81 (total) = td->td_kstack_pages * PAGE_SIZE - sizeof(struct pcb); \ 82 (used) = td->td_kstack + (total) - (vm_offset_t)&td; \ 83 } while (0) 84 85 #endif /* _KERNEL */ 86 #endif /* !_MACHINE_PROC_H_ */ 87