minix/sys/sys/core.h
Ben Gras 6c8f7fc3ba netbsd dirent.h, import sys/sys *.h, mfs cleanup
. add all sys/sys headers not already present to help compiling
	. take netbsd dirent.h and struct dirent; main result is
	  introducing d_type and d_namlen that have to be set by getdents()
	  in all FS code implementing it
	. d_off is gone
	. alignment of the struct has become 8 bytes instead of 4
	. remove _MAX_BLOCK_SIZE, _MIN_BLOCK_SIZE, _STATIC_BLOCK_SIZE
	. libminlib: cleanup unused yet duplicate code
	. mfs: throw out the long-broken v1, v2 support
	. new test for dirent contents filled by getdents()

Change-Id: I1459755c7ba5e5d1c9396d3a587ce6e63ddc283e
2014-03-01 09:04:59 +01:00

116 lines
4.4 KiB
C

/* $NetBSD: core.h,v 1.12 2009/08/20 22:07:49 he Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Paul Kranenburg.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#ifndef _SYS_CORE_H_
#define _SYS_CORE_H_
#define COREMAGIC 0507
#define CORESEGMAGIC 0510
/*
* The core structure's c_midmag field (like exec's a_midmag) is a
* network-byteorder encoding of this int
* FFFFFFmmmmmmmmmmMMMMMMMMMMMMMMMM
* Where `F' is 6 bits of flag (currently unused),
* `m' is 10 bits of machine-id, and
* `M' is 16 bits worth of magic number, ie. COREMAGIC.
* The macros below will set/get the needed fields.
*/
#define CORE_GETMAGIC(c) ( ntohl(((c).c_midmag)) & 0xffff )
#define CORE_GETMID(c) ( (ntohl(((c).c_midmag)) >> 16) & 0x03ff )
#define CORE_GETFLAG(c) ( (ntohl(((c).c_midmag)) >> 26) & 0x03f )
#define CORE_SETMAGIC(c,mag,mid,flag) ( (c).c_midmag = htonl ( \
( ((flag) & 0x3f) << 26) | \
( ((mid) & 0x03ff) << 16) | \
( ((mag) & 0xffff) ) ) )
/* Flag definitions */
#define CORE_CPU 1
#define CORE_DATA 2
#define CORE_STACK 4
#include <sys/aout_mids.h>
/*
* A core file consists of a header followed by a number of segments.
* Each segment is preceded by a `coreseg' structure giving the
* segment's type, the virtual address where the bits resided in
* process address space and the size of the segment.
*
* The core header specifies the lengths of the core header itself and
* each of the following core segment headers to allow for any machine
* dependent alignment requirements.
*/
struct core {
uint32_t c_midmag; /* magic, id, flags */
uint16_t c_hdrsize; /* Size of this header (machdep algn) */
uint16_t c_seghdrsize; /* Size of a segment header */
uint32_t c_nseg; /* # of core segments */
char c_name[MAXCOMLEN+1]; /* Copy of p->p_comm */
uint32_t c_signo; /* Killing signal */
u_long c_ucode; /* Hmm ? */
u_long c_cpusize; /* Size of machine dependent segment */
u_long c_tsize; /* Size of traditional text segment */
u_long c_dsize; /* Size of traditional data segment */
u_long c_ssize; /* Size of traditional stack segment */
};
struct coreseg {
uint32_t c_midmag; /* magic, id, flags */
u_long c_addr; /* Virtual address of segment */
u_long c_size; /* Size of this segment */
};
/*
* 32-bit versions of the above.
*/
struct core32 {
uint32_t c_midmag; /* magic, id, flags */
uint16_t c_hdrsize; /* Size of this header (machdep algn) */
uint16_t c_seghdrsize; /* Size of a segment header */
uint32_t c_nseg; /* # of core segments */
char c_name[MAXCOMLEN+1]; /* Copy of p->p_comm */
uint32_t c_signo; /* Killing signal */
u_int c_ucode; /* Hmm ? */
u_int c_cpusize; /* Size of machine dependent segment */
u_int c_tsize; /* Size of traditional text segment */
u_int c_dsize; /* Size of traditional data segment */
u_int c_ssize; /* Size of traditional stack segment */
};
struct coreseg32 {
uint32_t c_midmag; /* magic, id, flags */
u_int c_addr; /* Virtual address of segment */
u_int c_size; /* Size of this segment */
};
#endif /* !_SYS_CORE_H_ */