1/*-
  2 * SPDX-License-Identifier: BSD-2-Clause
  3 *
  4 * Copyright (c) 1998 John D. Polstra.
  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 *
 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 26 * SUCH DAMAGE.
 27 */
 28
 29#ifndef _SYS_PROCFS_H_
 30#define _SYS_PROCFS_H_
 31
 32#include <sys/param.h>
 33#include <machine/reg.h>
 34
 35typedef struct reg gregset_t;
 36typedef struct fpreg fpregset_t;
 37
 38/*
 39 * These structures define an interface between core files and the debugger.
 40 * Never change or delete any elements.  If you add elements, add them to
 41 * the end of the structure, and increment the value of its version field.
 42 * This will help to ensure that today's core dump will still be usable
 43 * with next year's debugger.
 44 *
 45 * A lot more things should be added to these structures.  At present,
 46 * they contain the absolute bare minimum required to allow GDB to work
 47 * with ELF core dumps.
 48 */
 49
 50/*
 51 * The parenthsized numbers like (1) indicate the minimum version number
 52 * for which each element exists in the structure.  The version number is
 53 * not bumped when adding new fields to the end, only if the meaning of
 54 * an existing field changes.  Additional fields are annotated as (1a),
 55 * (1b), etc. to indicate the groupings of additions.
 56 */
 57
 58#define PRSTATUS_VERSION	1	/* Current version of prstatus_t */
 59
 60typedef struct prstatus {
 61    int		pr_version;	/* Version number of struct (1) */
 62    size_t	pr_statussz;	/* sizeof(prstatus_t) (1) */
 63    size_t	pr_gregsetsz;	/* sizeof(gregset_t) (1) */
 64    size_t	pr_fpregsetsz;	/* sizeof(fpregset_t) (1) */
 65    int		pr_osreldate;	/* Kernel version (1) */
 66    int		pr_cursig;	/* Current signal (1) */
 67    pid_t	pr_pid;		/* LWP (Thread) ID (1) */
 68    gregset_t	pr_reg;		/* General purpose registers (1) */
 69} prstatus_t;
 70
 71typedef gregset_t prgregset_t[1];
 72typedef fpregset_t prfpregset_t;
 73
 74#define PRFNAMESZ	16	/* Maximum command length saved */
 75#define PRARGSZ		80	/* Maximum argument bytes saved */
 76
 77#define PRPSINFO_VERSION	1	/* Current version of prpsinfo_t */
 78
 79typedef struct prpsinfo {
 80    int		pr_version;	/* Version number of struct (1) */
 81    size_t	pr_psinfosz;	/* sizeof(prpsinfo_t) (1) */
 82    char	pr_fname[PRFNAMESZ+1];	/* Command name, null terminated (1) */
 83    char	pr_psargs[PRARGSZ+1];	/* Arguments, null terminated (1) */
 84    pid_t	pr_pid;		/* Process ID (1a) */
 85} prpsinfo_t;
 86
 87typedef struct thrmisc {
 88    char	pr_tname[MAXCOMLEN+1];	/* Thread name, null terminated (1) */
 89    u_int	_pad;			/* Convenience pad, 0-filled (1) */
 90} thrmisc_t;
 91
 92typedef uint64_t psaddr_t;	/* An address in the target process. */
 93
 94#ifdef __HAVE_REG32
 95typedef struct prstatus32 {
 96	int32_t	pr_version;
 97	uint32_t pr_statussz;
 98	uint32_t pr_gregsetsz;
 99	uint32_t pr_fpregsetsz;
100	int32_t	pr_osreldate;
101	int32_t	pr_cursig;
102	int32_t	pr_pid;
103	struct reg32 pr_reg;
104} prstatus32_t;
105
106typedef struct prpsinfo32 {
107	int32_t	pr_version;
108	uint32_t pr_psinfosz;
109	char	pr_fname[PRFNAMESZ+1];
110	char	pr_psargs[PRARGSZ+1];
111	int32_t	pr_pid;
112} prpsinfo32_t;
113
114struct thrmisc32 {
115	char	pr_tname[MAXCOMLEN+1];
116	uint32_t _pad;
117};
118#endif /* __HAVE_REG32 */
119
120#endif /* _SYS_PROCFS_H_ */