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33 * @(#)lookup.c 8.1 (Berkeley) 6/6/93
35 * $DragonFly: src/usr.bin/gprof/lookup.c,v 1.5 2006/01/22 03:43:37 swildner 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 ) {