HardenedBSD/usr.bin/gprof/lookup.c
Warner Losh 5e3934b15a usr.bin: Automated cleanup of cdefs and other formatting
Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/

Sponsored by:		Netflix
2023-11-26 22:24:01 -07:00

114 lines
3.4 KiB
C

/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*/
#include <sys/cdefs.h>
#include "gprof.h"
/*
* look up an address in a sorted-by-address namelist
* this deals with misses by mapping them to the next lower
* entry point.
*/
nltype *
nllookup(unsigned long address)
{
register long low;
register long middle;
register long high;
# ifdef DEBUG
register int probes;
probes = 0;
# endif /* DEBUG */
for ( low = 0 , high = nname - 1 ; low != high ; ) {
# ifdef DEBUG
probes += 1;
# endif /* DEBUG */
middle = ( high + low ) >> 1;
if ( nl[ middle ].value <= address && nl[ middle+1 ].value > address ) {
# ifdef DEBUG
if ( debug & LOOKUPDEBUG ) {
printf( "[nllookup] %d (%d) probes\n" , probes , nname-1 );
}
# endif /* DEBUG */
#if defined(__arm__)
if (nl[middle].name[0] == '$' &&
nl[middle-1].value == nl[middle].value)
middle--;
#endif
return &nl[ middle ];
}
if ( nl[ middle ].value > address ) {
high = middle;
} else {
low = middle + 1;
}
}
# ifdef DEBUG
if ( debug & LOOKUPDEBUG ) {
fprintf( stderr , "[nllookup] (%d) binary search fails\n" ,
nname-1 );
}
# endif /* DEBUG */
return 0;
}
arctype *
arclookup(nltype *parentp, nltype *childp)
{
arctype *arcp;
if ( parentp == 0 || childp == 0 ) {
fprintf( stderr, "[arclookup] parentp == 0 || childp == 0\n" );
return 0;
}
# ifdef DEBUG
if ( debug & LOOKUPDEBUG ) {
printf( "[arclookup] parent %s child %s\n" ,
parentp -> name , childp -> name );
}
# endif /* DEBUG */
for ( arcp = parentp -> children ; arcp ; arcp = arcp -> arc_childlist ) {
# ifdef DEBUG
if ( debug & LOOKUPDEBUG ) {
printf( "[arclookup]\t arc_parent %s arc_child %s\n" ,
arcp -> arc_parentp -> name ,
arcp -> arc_childp -> name );
}
# endif /* DEBUG */
if ( arcp -> arc_childp == childp ) {
return arcp;
}
}
return 0;
}