freebsd-skq/sys/mips/include/proc.h
Kyle Evans 7d7fb3dc01 mips: avoid empty mdproc struct
Compiling with a more modern toolchain than GCC 4.2 in base warns about the
empty struct. Take a hint and comment from r350902+r350953 by luporl@.
2019-08-19 18:15:17 +00:00

102 lines
3.5 KiB
C

/* $OpenBSD: proc.h,v 1.2 1998/09/15 10:50:12 pefo Exp $ */
/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)proc.h 8.1 (Berkeley) 6/10/93
* JNPR: proc.h,v 1.7.2.1 2007/09/10 06:25:24 girish
* $FreeBSD$
*/
#ifndef _MACHINE_PROC_H_
#define _MACHINE_PROC_H_
#ifdef CPU_CNMIPS
#include <machine/octeon_cop2.h>
#endif
/*
* Machine-dependent part of the proc structure.
*/
struct mdthread {
int md_flags; /* machine-dependent flags */
#if defined(__mips_n64) || defined(__mips_n32) /* PHYSADDR_64_BIT */
uint64_t md_upte[KSTACK_PAGES]; /* ptes for mapping u pcb */
#else
int md_upte[KSTACK_PAGES];
#endif
uintptr_t md_ss_addr; /* single step address for ptrace */
int md_ss_instr; /* single step instruction for ptrace */
register_t md_saved_intr;
u_int md_spinlock_count;
/* The following is CPU dependent, but kept in for compatibility */
int md_pc_ctrl; /* performance counter control */
int md_pc_count; /* performance counter */
int md_pc_spill; /* performance counter spill */
void *md_tls;
size_t md_tls_tcb_offset; /* TCB offset */
#ifdef CPU_CNMIPS
struct octeon_cop2_state *md_cop2; /* kernel context */
struct octeon_cop2_state *md_ucop2; /* userland context */
#define COP2_OWNER_USERLAND 0x0000 /* Userland owns COP2 */
#define COP2_OWNER_KERNEL 0x0001 /* Kernel owns COP2 */
int md_cop2owner;
#endif
};
/* md_flags */
#define MDTD_FPUSED 0x0001 /* Process used the FPU */
#define MDTD_COP2USED 0x0002 /* Process used the COP2 */
struct mdproc {
/* Avoid empty structs because they are undefined behavior. */
long md_spare;
};
struct syscall_args {
u_int code;
struct sysent *callp;
register_t args[8];
int narg;
struct trapframe *trapframe;
};
#ifdef __mips_n64
#define KINFO_PROC_SIZE 1088
#define KINFO_PROC32_SIZE 816
#else
#define KINFO_PROC_SIZE 816
#endif
#endif /* !_MACHINE_PROC_H_ */