2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
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6 * modification, are permitted provided that the following conditions
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9 * notice, this list of conditions and the following disclaimer.
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13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
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21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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33 * @(#)lookup.c 8.1 (Berkeley) 6/6/93
35 * $DragonFly: src/usr.bin/gprof/lookup.c,v 1.4 2005/04/10 20:55:38 drhodus Exp $
41 * look up an address in a sorted-by-address namelist
42 * this deals with misses by mapping them to the next lower
46 nllookup(unsigned long address
)
56 for ( low
= 0 , high
= nname
- 1 ; low
!= high
; ) {
60 middle
= ( high
+ low
) >> 1;
61 if ( nl
[ middle
].value
<= address
&& nl
[ middle
+1 ].value
> address
) {
63 if ( debug
& LOOKUPDEBUG
) {
64 printf( "[nllookup] %d (%d) probes\n" , probes
, nname
-1 );
69 if ( nl
[ middle
].value
> address
) {
76 if ( debug
& LOOKUPDEBUG
) {
77 fprintf( stderr
, "[nllookup] (%d) binary search fails\n" ,
85 arclookup(nltype
*parentp
, nltype
*childp
)
89 if ( parentp
== 0 || childp
== 0 ) {
90 fprintf( stderr
, "[arclookup] parentp == 0 || childp == 0\n" );
94 if ( debug
& LOOKUPDEBUG
) {
95 printf( "[arclookup] parent %s child %s\n" ,
96 parentp
-> name
, childp
-> name
);
99 for ( arcp
= parentp
-> children
; arcp
; arcp
= arcp
-> arc_childlist
) {
101 if ( debug
& LOOKUPDEBUG
) {
102 printf( "[arclookup]\t arc_parent %s arc_child %s\n" ,
103 arcp
-> arc_parentp
-> name
,
104 arcp
-> arc_childp
-> name
);
107 if ( arcp
-> arc_childp
== childp
) {