Home | History | Annotate | Download | only in c2
      1  0  stevel /*
      2  0  stevel  * CDDL HEADER START
      3  0  stevel  *
      4  0  stevel  * The contents of this file are subject to the terms of the
      5  0  stevel  * Common Development and Distribution License, Version 1.0 only
      6  0  stevel  * (the "License").  You may not use this file except in compliance
      7  0  stevel  * with the License.
      8  0  stevel  *
      9  0  stevel  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  0  stevel  * or http://www.opensolaris.org/os/licensing.
     11  0  stevel  * See the License for the specific language governing permissions
     12  0  stevel  * and limitations under the License.
     13  0  stevel  *
     14  0  stevel  * When distributing Covered Code, include this CDDL HEADER in each
     15  0  stevel  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  0  stevel  * If applicable, add the following below this CDDL HEADER, with the
     17  0  stevel  * fields enclosed by brackets "[]" replaced with your own identifying
     18  0  stevel  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  0  stevel  *
     20  0  stevel  * CDDL HEADER END
     21  0  stevel  */
     22  0  stevel /*
     23  0  stevel  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
     24  0  stevel  * Use is subject to license terms.
     25  0  stevel  */
     26  0  stevel 
     27  0  stevel #pragma ident	"%Z%%M%	%I%	%E% SMI"
     28  0  stevel 
     29  0  stevel /*
     30  0  stevel  * Adr memory based encoding
     31  0  stevel  */
     32  0  stevel 
     33  0  stevel #include <sys/feature_tests.h>
     34  0  stevel 
     35  0  stevel #pragma weak adr_ushort = adr_short
     36  0  stevel #pragma weak adr_uint32 = adr_int32
     37  0  stevel #pragma weak adr_uint64 = adr_int64
     38  0  stevel #pragma weak adr_getushort = adr_getshort
     39  0  stevel #pragma weak adr_getuint32 = adr_getint32
     40  0  stevel #pragma weak adr_getuint64 = adr_getint64
     41  0  stevel 
     42  0  stevel #include <sys/types.h>
     43  0  stevel #include <sys/t_lock.h>
     44  0  stevel #include <sys/systm.h>
     45  0  stevel #include <sys/mutex.h>
     46  0  stevel #include <sys/thread.h>
     47  0  stevel #include <c2/audit.h>
     48  0  stevel #include <c2/audit_kernel.h>
     49  0  stevel #include <c2/audit_record.h>
     50  0  stevel 
     51  0  stevel void
     52  0  stevel adr_start(adr_t *adr, char *p)
     53  0  stevel {
     54  0  stevel 	adr->adr_stream = p;
     55  0  stevel 	adr->adr_now = p;
     56  0  stevel }
     57  0  stevel 
     58  0  stevel int
     59  0  stevel adr_count(adr_t *adr)
     60  0  stevel {
     61  0  stevel 	return ((int)((uintptr_t)adr->adr_now - (uintptr_t)adr->adr_stream));
     62  0  stevel }
     63  0  stevel 
     64  0  stevel 
     65  0  stevel /*
     66  0  stevel  * adr_char - pull out characters
     67  0  stevel  */
     68  0  stevel void
     69  0  stevel adr_char(adr_t *adr, char *cp, int count)
     70  0  stevel {
     71  0  stevel 	while (count-- > 0)
     72  0  stevel 		*adr->adr_now++ = *cp++;
     73  0  stevel }
     74  0  stevel 
     75  0  stevel /*
     76  0  stevel  * adr_short - pull out shorts
     77  0  stevel  */
     78  0  stevel void
     79  0  stevel adr_short(adr_t *adr, short *sp, int count)
     80  0  stevel {
     81  0  stevel 
     82  0  stevel 	for (; count-- > 0; sp++) {
     83  0  stevel 		*adr->adr_now++ = (char)((*sp >> (int)8) & 0x00ff);
     84  0  stevel 		*adr->adr_now++ = (char)(*sp & 0x00ff);
     85  0  stevel 	}
     86  0  stevel }
     87  0  stevel 
     88  0  stevel /*
     89  0  stevel  * adr_int32 - pull out int32
     90  0  stevel  */
     91  0  stevel void
     92  0  stevel adr_int32(adr_t *adr, int32_t *lp, int count)
     93  0  stevel {
     94  0  stevel 	int i;		/* index for counting */
     95  0  stevel 	int32_t l;		/* value for shifting */
     96  0  stevel 
     97  0  stevel 	for (; count-- > 0; lp++) {
     98  0  stevel 		for (i = 0, l = *lp; i < 4; i++) {
     99  0  stevel 			*adr->adr_now++ = (char)((l & (int32_t)0xff000000) >>
    100  0  stevel 				(int)24);
    101  0  stevel 			l <<= (int)8;
    102  0  stevel 		}
    103  0  stevel 	}
    104  0  stevel }
    105  0  stevel 
    106  0  stevel /*
    107  0  stevel  * adr_int64 - pull out int64
    108  0  stevel  */
    109  0  stevel void
    110  0  stevel adr_int64(adr_t *adr, int64_t *lp, int count)
    111  0  stevel {
    112  0  stevel 	int i;		/* index for counting */
    113  0  stevel 	int64_t l;	/* value for shifting */
    114  0  stevel 
    115  0  stevel 	for (; count-- > 0; lp++) {
    116  0  stevel 		for (i = 0, l = *lp; i < 8; i++) {
    117  0  stevel 		    *adr->adr_now++ =
    118  0  stevel 			(char)((l & (int64_t)0xff00000000000000) >> (int)56);
    119  0  stevel 			l <<= (int)8;
    120  0  stevel 		}
    121  0  stevel 	}
    122  0  stevel }
    123  0  stevel 
    124  0  stevel 
    125  0  stevel char *
    126  0  stevel adr_getchar(adr_t *adr, char *cp)
    127  0  stevel {
    128  0  stevel 	char	*old;
    129  0  stevel 
    130  0  stevel 	old = adr->adr_now;
    131  0  stevel 	*cp = *adr->adr_now++;
    132  0  stevel 	return (old);
    133  0  stevel }
    134  0  stevel 
    135  0  stevel char *
    136  0  stevel adr_getshort(adr_t *adr, short	*sp)
    137  0  stevel {
    138  0  stevel 	char	*old;
    139  0  stevel 
    140  0  stevel 	old = adr->adr_now;
    141  0  stevel 	*sp = *adr->adr_now++;
    142  0  stevel 	*sp >>= (int)8;
    143  0  stevel 	*sp = *adr->adr_now++;
    144  0  stevel 	*sp >>= (int)8;
    145  0  stevel 	return (old);
    146  0  stevel }
    147  0  stevel 
    148  0  stevel char *
    149  0  stevel adr_getint32(adr_t *adr, int32_t *lp)
    150  0  stevel {
    151  0  stevel 	char	*old;
    152  0  stevel 	int	i;
    153  0  stevel 
    154  0  stevel 	old = adr->adr_now;
    155  0  stevel 	for (i = 0; i < 4; i++) {
    156  0  stevel 		*lp <<= 8;
    157  0  stevel 		*lp += ((int32_t)*adr->adr_now++) & 0x000000ff;
    158  0  stevel 
    159  0  stevel 	}
    160  0  stevel 	return (old);
    161  0  stevel }
    162  0  stevel 
    163  0  stevel char *
    164  0  stevel adr_getint64(adr_t *adr, int64_t *lp)
    165  0  stevel {
    166  0  stevel 	char	*old;
    167  0  stevel 	int	i;
    168  0  stevel 
    169  0  stevel 	old = adr->adr_now;
    170  0  stevel 	for (i = 0; i < 8; i++) {
    171  0  stevel 		*lp <<= 8;
    172  0  stevel 		*lp += ((int64_t)*adr->adr_now++) & 0x00000000000000ff;
    173  0  stevel 	}
    174  0  stevel 	return (old);
    175  0  stevel }
    176