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Annotation of XNU/osfmk/kern/xpr.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * @OSF_COPYRIGHT@
        !            24:  */
        !            25: /*
        !            26:  * HISTORY
        !            27:  * 
        !            28:  * Revision 1.1.1.1  1998/09/22 21:05:32  wsanchez
        !            29:  * Import of Mac OS X kernel (~semeria)
        !            30:  *
        !            31:  * Revision 1.1.1.1  1998/03/07 02:25:57  wsanchez
        !            32:  * Import of OSF Mach kernel (~mburg)
        !            33:  *
        !            34:  * Revision 1.1.12.5  1995/02/24  15:22:46  alanl
        !            35:  *     Add XPR definition to trace generic XMM activities.
        !            36:  *     [95/01/31            alanl]
        !            37:  *
        !            38:  * Revision 1.1.14.3  1994/11/02  18:37:35  dwm
        !            39:  *     mk6 CR668 - 1.3b26 merge
        !            40:  *     Add MOR token, update XPR names for locks, vm_maps.
        !            41:  *     now only a single XPR(...) macro, 5 args always.
        !            42:  *     [1994/11/02  18:17:33  dwm]
        !            43:  * 
        !            44:  * Revision 1.1.12.3  1994/09/23  02:32:50  ezf
        !            45:  *     change marker to not FREE
        !            46:  *     [1994/09/22  21:38:33  ezf]
        !            47:  * 
        !            48:  * Revision 1.1.12.2  1994/09/10  21:46:57  bolinger
        !            49:  *     Merge up to NMK17.3
        !            50:  *     [1994/09/08  19:57:50  bolinger]
        !            51:  * 
        !            52:  * Revision 1.1.12.1  1994/06/14  17:13:10  bolinger
        !            53:  *     Merge up to NMK17.2.
        !            54:  *     [1994/06/14  16:55:44  bolinger]
        !            55:  * 
        !            56:  * Revision 1.1.7.2  1994/05/30  07:37:07  bernadat
        !            57:  *     Added missing ')' to XPR5.
        !            58:  *     [94/05/25            bernadat]
        !            59:  * 
        !            60:  * Revision 1.1.7.1  1994/03/24  15:29:18  paire
        !            61:  *     Set up correct XPR and XPR[1-5] macros.
        !            62:  *     Added XPR_SIMPLE_LOCK define.
        !            63:  *     [94/03/08            paire]
        !            64:  * 
        !            65:  * Revision 1.1.2.5  1993/08/03  18:29:24  gm
        !            66:  *     CR9596: Change KERNEL to MACH_KERNEL.
        !            67:  *     [1993/08/02  17:41:44  gm]
        !            68:  * 
        !            69:  * Revision 1.1.2.4  1993/07/27  18:09:08  rod
        !            70:  *     Add ANSI prototypes.  CR #9523.
        !            71:  *     [1993/07/27  10:42:04  rod]
        !            72:  * 
        !            73:  * Revision 1.1.2.3  1993/06/07  22:15:39  jeffc
        !            74:  *     CR9176 - ANSI C violations: trailing tokens on CPP
        !            75:  *     directives, extra semicolons after decl_ ..., asm keywords
        !            76:  *     [1993/06/07  19:07:55  jeffc]
        !            77:  * 
        !            78:  * Revision 1.1.2.2  1993/06/02  23:42:14  jeffc
        !            79:  *     Added to OSF/1 R1.3 from NMK15.0.
        !            80:  *     [1993/06/02  21:15:17  jeffc]
        !            81:  * 
        !            82:  * Revision 1.1  1992/09/30  02:30:28  robert
        !            83:  *     Initial revision
        !            84:  * 
        !            85:  * $EndLog$
        !            86:  */
        !            87: /* CMU_HIST */
        !            88: /*
        !            89:  * Revision 2.3  91/05/14  16:50:21  mrt
        !            90:  *     Correcting copyright
        !            91:  * 
        !            92:  * Revision 2.2  91/02/05  17:31:18  mrt
        !            93:  *     MACH_KERNEL: removed conditionals.
        !            94:  *     [88/12/19            dbg]
        !            95:  * 
        !            96:  * Revision 2.1  89/08/03  15:57:39  rwd
        !            97:  * Created.
        !            98:  * 
        !            99:  * Revision 2.5  88/12/19  02:51:59  mwyoung
        !           100:  *     Added VM system tags.
        !           101:  *     [88/11/22            mwyoung]
        !           102:  * 
        !           103:  * Revision 2.4  88/08/24  02:55:54  mwyoung
        !           104:  *     Adjusted include file references.
        !           105:  *     [88/08/17  02:29:56  mwyoung]
        !           106:  * 
        !           107:  *
        !           108:  *  9-Apr-88  Daniel Julin (dpj) at Carnegie-Mellon University
        !           109:  *     Added flags for TCP and MACH_NP debugging.
        !           110:  *
        !           111:  *  6-Jan-88  Michael Young (mwyoung) at Carnegie-Mellon University
        !           112:  *     Make the event structure smaller to make it easier to read from
        !           113:  *     kernel debuggers.
        !           114:  *
        !           115:  * 16-Mar-87  Mike Accetta (mja) at Carnegie-Mellon University
        !           116:  *     MACH:  made XPR_DEBUG definition conditional on MACH
        !           117:  *     since the routines invoked under it won't link without MACH.
        !           118:  *     [ V5.1(F7) ]
        !           119:  */
        !           120: /* CMU_ENDHIST */
        !           121: /* 
        !           122:  * Mach Operating System
        !           123:  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
        !           124:  * All Rights Reserved.
        !           125:  * 
        !           126:  * Permission to use, copy, modify and distribute this software and its
        !           127:  * documentation is hereby granted, provided that both the copyright
        !           128:  * notice and this permission notice appear in all copies of the
        !           129:  * software, derivative works or modified versions, and any portions
        !           130:  * thereof, and that both notices appear in supporting documentation.
        !           131:  * 
        !           132:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !           133:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
        !           134:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !           135:  * 
        !           136:  * Carnegie Mellon requests users of this software to return to
        !           137:  * 
        !           138:  *  Software Distribution Coordinator  or  [email protected]
        !           139:  *  School of Computer Science
        !           140:  *  Carnegie Mellon University
        !           141:  *  Pittsburgh PA 15213-3890
        !           142:  * 
        !           143:  * any improvements or extensions that they make and grant Carnegie Mellon
        !           144:  * the rights to redistribute these changes.
        !           145:  */
        !           146: /*
        !           147:  */
        !           148: /*
        !           149:  * Include file for xpr circular buffer silent tracing.  
        !           150:  *
        !           151:  */
        !           152: /*
        !           153:  * If the kernel flag XPRDEBUG is set, the XPR macro is enabled.  The 
        !           154:  * macro should be invoked something like the following:
        !           155:  *     XPR(XPR_SYSCALLS, "syscall: %d, 0x%x\n", syscallno, arg1, 0,0,0);
        !           156:  * which will expand into the following code:
        !           157:  *     if (xprflags & XPR_SYSCALLS)
        !           158:  *             xpr("syscall: %d, 0x%x\n", syscallno, arg1, 0,0,0);
        !           159:  * Xpr will log the pointer to the printf string and up to 5 arguements,
        !           160:  * along with a timestamp and cpuinfo (for multi-processor systems), into
        !           161:  * a circular buffer.  The actual printf processing is delayed until after
        !           162:  * the buffer has been collected.  It is assumed that the text/data segments
        !           163:  * of the kernel can easily be reconstructed in a post-processor which
        !           164:  * performs the printf processing.
        !           165:  *
        !           166:  * If the XPRDEBUG compilation switch is not set, the XPR macro expands 
        !           167:  * to nothing.
        !           168:  */
        !           169: 
        !           170: #ifndef        _KERN_XPR_H_
        !           171: #define _KERN_XPR_H_
        !           172: 
        !           173: #ifdef MACH_KERNEL
        !           174: #include <xpr_debug.h>
        !           175: #else  /* MACH_KERNEL */
        !           176: #include <sys/features.h>
        !           177: #endif /* MACH_KERNEL */
        !           178: 
        !           179: #include <machine/xpr.h>
        !           180: 
        !           181: #if    XPR_DEBUG
        !           182: 
        !           183: #define XPR(flags, msg, arg1, arg2, arg3, arg4, arg5)          \
        !           184: MACRO_BEGIN                                                    \
        !           185:        if (xprflags & (flags)) {                               \
        !           186:                xpr((msg), (long)(arg1), (long)(arg2),          \
        !           187:                    (long)(arg3), (long)(arg4), (long)(arg5));  \
        !           188:        }                                                       \
        !           189: MACRO_END
        !           190: 
        !           191: extern int xprflags;
        !           192: 
        !           193: /*
        !           194:  * flags for message types.
        !           195:  */
        !           196: #define XPR_TRAPS              (1 << 1)
        !           197: #define XPR_SCHED              (1 << 2)
        !           198: #define        XPR_LOCK                (1 << 3)
        !           199: #define        XPR_SLOCK               (1 << 4)
        !           200: #define XPR_PMAP               (1 << 6)
        !           201: #define XPR_VM_MAP             (1 << 7)
        !           202: #define        XPR_VM_OBJECT           (1 << 8)
        !           203: #define        XPR_VM_OBJECT_CACHE     (1 << 9)
        !           204: #define        XPR_VM_PAGE             (1 << 10)
        !           205: #define        XPR_VM_PAGEOUT          (1 << 11)
        !           206: #define        XPR_MEMORY_OBJECT       (1 << 12)
        !           207: #define        XPR_VM_FAULT            (1 << 13)
        !           208: #define        XPR_VM_OBJECT_REP       (1 << 14)
        !           209: #define        XPR_DEFAULT_PAGER       (1 << 15)
        !           210: #define        XPR_INODE_PAGER         (1 << 16)
        !           211: #define        XPR_INODE_PAGER_DATA    (1 << 17)
        !           212: #define        XPR_XMM                 (1 << 18)
        !           213: 
        !           214: #else  /* XPR_DEBUG */
        !           215: #define XPR(flags, msg, arg1, arg2, arg3, arg4, arg5)
        !           216: #endif /* XPR_DEBUG */
        !           217: 
        !           218: struct xprbuf {
        !           219:        char    *msg;
        !           220:        long    arg1,arg2,arg3,arg4,arg5;
        !           221:        int     timestamp;
        !           222:        int     cpuinfo;
        !           223: };
        !           224: 
        !           225: /* Bootstrap XPR facility */
        !           226: extern void xprbootstrap(void);
        !           227: 
        !           228: /* Enable XPR facility */
        !           229: extern void xprinit(void);
        !           230: 
        !           231: /* Log an XPR message */
        !           232: extern void xpr(
        !           233:        char    *msg,
        !           234:        long    arg1,
        !           235:        long    arg2,
        !           236:        long    arg3,
        !           237:        long    arg4,
        !           238:        long    arg5);
        !           239: 
        !           240: #endif /* _KERN_XPR_H_ */
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