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Makefile
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Makefile.depend
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arcs.c
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dfn.c
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elf.c
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gprof.1
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gprof.c
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gprof.callg
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gprof.flat
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gprof.h
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hertz.c
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kernel.c
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lookup.c
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pathnames.h
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printgprof.c
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printlist.c
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Editing: lookup.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. */ #if 0 #ifndef lint static char sccsid[] = "@(#)lookup.c 8.1 (Berkeley) 6/6/93"; #endif /* not lint */ #endif #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); #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; }
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