gprof.h revision 91010
11590Srgrimes/* 21590Srgrimes * Copyright (c) 1983, 1993 31590Srgrimes * The Regents of the University of California. All rights reserved. 41590Srgrimes * 51590Srgrimes * Redistribution and use in source and binary forms, with or without 61590Srgrimes * modification, are permitted provided that the following conditions 71590Srgrimes * are met: 81590Srgrimes * 1. Redistributions of source code must retain the above copyright 91590Srgrimes * notice, this list of conditions and the following disclaimer. 101590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111590Srgrimes * notice, this list of conditions and the following disclaimer in the 121590Srgrimes * documentation and/or other materials provided with the distribution. 131590Srgrimes * 3. All advertising materials mentioning features or use of this software 141590Srgrimes * must display the following acknowledgement: 151590Srgrimes * This product includes software developed by the University of 161590Srgrimes * California, Berkeley and its contributors. 171590Srgrimes * 4. Neither the name of the University nor the names of its contributors 181590Srgrimes * may be used to endorse or promote products derived from this software 191590Srgrimes * without specific prior written permission. 201590Srgrimes * 211590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281590Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301590Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311590Srgrimes * SUCH DAMAGE. 321590Srgrimes * 331590Srgrimes * @(#)gprof.h 8.1 (Berkeley) 6/6/93 3485353Speter * $FreeBSD: head/usr.bin/gprof/gprof.h 91010 2002-02-21 07:12:57Z bde $ 351590Srgrimes */ 361590Srgrimes 371590Srgrimes#include <sys/types.h> 381590Srgrimes#include <sys/stat.h> 391590Srgrimes#include <sys/gmon.h> 401590Srgrimes 411590Srgrimes#include <stdio.h> 421590Srgrimes#include <stdlib.h> 431590Srgrimes 4485353Speter#if __ia64__ 4585353Speter# include "ia64.h" 4685353Speter#endif 4748839Ssimokawa#if __alpha__ 4848839Ssimokawa# include "alpha.h" 4948839Ssimokawa#endif 501590Srgrimes#if vax 511590Srgrimes# include "vax.h" 521590Srgrimes#endif 531590Srgrimes#if sparc 541590Srgrimes# include "sparc.h" 551590Srgrimes#endif 561590Srgrimes#if tahoe 571590Srgrimes# include "tahoe.h" 581590Srgrimes#endif 591590Srgrimes#if hp300 601590Srgrimes# include "hp300.h" 611590Srgrimes#endif 621590Srgrimes#if luna68k 631590Srgrimes# include "luna68k.h" 641590Srgrimes#endif 651590Srgrimes#if i386 661590Srgrimes# include "i386.h" 671590Srgrimes#endif 681590Srgrimes#if mips 691590Srgrimes# include "mips.h" 701590Srgrimes#endif 711590Srgrimes 721590Srgrimes 731590Srgrimes /* 741590Srgrimes * booleans 751590Srgrimes */ 761590Srgrimestypedef int bool; 771590Srgrimes#define FALSE 0 781590Srgrimes#define TRUE 1 791590Srgrimes 801590Srgrimes /* 811590Srgrimes * ticks per second 821590Srgrimes */ 831590Srgrimeslong hz; 841590Srgrimes 8513108Sbde#ifdef GPROF4 8627379Sbdetypedef int64_t UNIT; 8713108Sbde#else 881590Srgrimestypedef u_short UNIT; /* unit of profiling */ 8913108Sbde#endif 9091010Sbde#define UNITS_TO_CODE (OFFSET_OF_CODE / sizeof(UNIT)) 9191010Sbde 921590Srgrimeschar *a_outname; 931590Srgrimes#define A_OUTNAME "a.out" 941590Srgrimes 951590Srgrimeschar *gmonname; 961590Srgrimes#define GMONSUM "gmon.sum" 971590Srgrimes 981590Srgrimes /* 991590Srgrimes * a constructed arc, 1001590Srgrimes * with pointers to the namelist entry of the parent and the child, 1011590Srgrimes * a count of how many times this arc was traversed, 1021590Srgrimes * and pointers to the next parent of this child and 1031590Srgrimes * the next child of this parent. 1041590Srgrimes */ 1051590Srgrimesstruct arcstruct { 1061590Srgrimes struct nl *arc_parentp; /* pointer to parent's nl entry */ 1071590Srgrimes struct nl *arc_childp; /* pointer to child's nl entry */ 1081590Srgrimes long arc_count; /* num calls from parent to child */ 1091590Srgrimes double arc_time; /* time inherited along arc */ 1101590Srgrimes double arc_childtime; /* childtime inherited along arc */ 1111590Srgrimes struct arcstruct *arc_parentlist; /* parents-of-this-child list */ 1121590Srgrimes struct arcstruct *arc_childlist; /* children-of-this-parent list */ 1131590Srgrimes struct arcstruct *arc_next; /* list of arcs on cycle */ 1141590Srgrimes unsigned short arc_cyclecnt; /* num cycles involved in */ 1151590Srgrimes unsigned short arc_flags; /* see below */ 1161590Srgrimes}; 1171590Srgrimestypedef struct arcstruct arctype; 1181590Srgrimes 1191590Srgrimes /* 1201590Srgrimes * arc flags 1211590Srgrimes */ 1221590Srgrimes#define DEADARC 0x01 /* time should not propagate across the arc */ 1231590Srgrimes#define ONLIST 0x02 /* arc is on list of arcs in cycles */ 1241590Srgrimes 1251590Srgrimes /* 1261590Srgrimes * The symbol table; 1271590Srgrimes * for each external in the specified file we gather 1281590Srgrimes * its address, the number of calls and compute its share of cpu time. 1291590Srgrimes */ 1301590Srgrimesstruct nl { 13138928Sjdp const char *name; /* the name */ 1321590Srgrimes unsigned long value; /* the pc entry point */ 1331590Srgrimes unsigned long svalue; /* entry point aligned to histograms */ 1341590Srgrimes double time; /* ticks in this routine */ 1351590Srgrimes double childtime; /* cumulative ticks in children */ 1361590Srgrimes long ncall; /* how many times called */ 1371590Srgrimes long npropcall; /* times called by live arcs */ 1381590Srgrimes long selfcalls; /* how many calls to self */ 1391590Srgrimes double propfraction; /* what % of time propagates */ 1401590Srgrimes double propself; /* how much self time propagates */ 1411590Srgrimes double propchild; /* how much child time propagates */ 1421590Srgrimes short printflag; /* should this be printed? */ 1431590Srgrimes short flags; /* see below */ 1441590Srgrimes int index; /* index in the graph list */ 1451590Srgrimes int toporder; /* graph call chain top-sort order */ 1461590Srgrimes int cycleno; /* internal number of cycle on */ 1471590Srgrimes int parentcnt; /* number of live parent arcs */ 1481590Srgrimes struct nl *cyclehead; /* pointer to head of cycle */ 1491590Srgrimes struct nl *cnext; /* pointer to next member of cycle */ 1501590Srgrimes arctype *parents; /* list of caller arcs */ 1511590Srgrimes arctype *children; /* list of callee arcs */ 1521590Srgrimes}; 1531590Srgrimestypedef struct nl nltype; 1541590Srgrimes 1551590Srgrimesnltype *nl; /* the whole namelist */ 1561590Srgrimesnltype *npe; /* the virtual end of the namelist */ 1571590Srgrimesint nname; /* the number of function names */ 1581590Srgrimes 1591590Srgrimes#define HASCYCLEXIT 0x08 /* node has arc exiting from cycle */ 1601590Srgrimes#define CYCLEHEAD 0x10 /* node marked as head of a cycle */ 1611590Srgrimes#define VISITED 0x20 /* node visited during a cycle */ 1621590Srgrimes 1631590Srgrimes /* 1641590Srgrimes * The cycle list. 1651590Srgrimes * for each subcycle within an identified cycle, we gather 1661590Srgrimes * its size and the list of included arcs. 1671590Srgrimes */ 1681590Srgrimesstruct cl { 1691590Srgrimes int size; /* length of cycle */ 1701590Srgrimes struct cl *next; /* next member of list */ 1711590Srgrimes arctype *list[1]; /* list of arcs in cycle */ 1721590Srgrimes /* actually longer */ 1731590Srgrimes}; 1741590Srgrimestypedef struct cl cltype; 1751590Srgrimes 1761590Srgrimesarctype *archead; /* the head of arcs in current cycle list */ 1771590Srgrimescltype *cyclehead; /* the head of the list */ 1781590Srgrimesint cyclecnt; /* the number of cycles found */ 1791590Srgrimes#define CYCLEMAX 100 /* maximum cycles before cutting one of them */ 1801590Srgrimes 1811590Srgrimes /* 1821590Srgrimes * flag which marks a nl entry as topologically ``busy'' 1831590Srgrimes * flag which marks a nl entry as topologically ``not_numbered'' 1841590Srgrimes */ 1851590Srgrimes#define DFN_BUSY -1 1861590Srgrimes#define DFN_NAN 0 1871590Srgrimes 1888874Srgrimes /* 1891590Srgrimes * namelist entries for cycle headers. 1901590Srgrimes * the number of discovered cycles. 1911590Srgrimes */ 1921590Srgrimesnltype *cyclenl; /* cycle header namelist */ 1931590Srgrimesint ncycle; /* number of cycles discovered */ 1941590Srgrimes 1951590Srgrimes /* 1961590Srgrimes * The header on the gmon.out file. 1971590Srgrimes * gmon.out consists of a struct phdr (defined in gmon.h) 1981590Srgrimes * and then an array of ncnt samples representing the 1991590Srgrimes * discretized program counter values. 2001590Srgrimes * 2011590Srgrimes * Backward compatible old style header 2021590Srgrimes */ 2031590Srgrimesstruct ophdr { 2041590Srgrimes UNIT *lpc; 2051590Srgrimes UNIT *hpc; 2061590Srgrimes int ncnt; 2071590Srgrimes}; 2081590Srgrimes 2091590Srgrimesint debug; 2101590Srgrimes 2111590Srgrimes /* 2121590Srgrimes * Each discretized pc sample has 2131590Srgrimes * a count of the number of samples in its range 2141590Srgrimes */ 2151590SrgrimesUNIT *samples; 2161590Srgrimes 2171590Srgrimesunsigned long s_lowpc; /* lowpc from the profile file */ 2181590Srgrimesunsigned long s_highpc; /* highpc from the profile file */ 21948839Ssimokawaunsigned long lowpc, highpc; /* range profiled, in UNIT's */ 2201590Srgrimesunsigned sampbytes; /* number of bytes of samples */ 2211590Srgrimesint nsamples; /* number of samples */ 2221590Srgrimesdouble actime; /* accumulated time thus far for putprofline */ 2231590Srgrimesdouble totime; /* total time for all routines */ 2241590Srgrimesdouble printtime; /* total of time being printed */ 2251590Srgrimesdouble scale; /* scale factor converting samples to pc 2261590Srgrimes values: each sample covers scale bytes */ 2271590Srgrimesunsigned char *textspace; /* text space of a.out in core */ 2281590Srgrimesint cyclethreshold; /* with -C, minimum cycle size to ignore */ 2291590Srgrimes 2301590Srgrimes /* 2311590Srgrimes * option flags, from a to z. 2321590Srgrimes */ 2331590Srgrimesbool aflag; /* suppress static functions */ 2341590Srgrimesbool bflag; /* blurbs, too */ 2351590Srgrimesbool cflag; /* discovered call graph, too */ 2361590Srgrimesbool Cflag; /* find cut-set to eliminate cycles */ 2371590Srgrimesbool dflag; /* debugging options */ 2381590Srgrimesbool eflag; /* specific functions excluded */ 2391590Srgrimesbool Eflag; /* functions excluded with time */ 2401590Srgrimesbool fflag; /* specific functions requested */ 2411590Srgrimesbool Fflag; /* functions requested with time */ 2421590Srgrimesbool kflag; /* arcs to be deleted */ 24385739Sgreenbool Kflag; /* use the running kernel for symbols */ 2441590Srgrimesbool sflag; /* sum multiple gmon.out files */ 24538928Sjdpbool uflag; /* suppress symbols hidden from C */ 2461590Srgrimesbool zflag; /* zero time/called functions, too */ 2471590Srgrimes 2481590Srgrimes /* 2491590Srgrimes * structure for various string lists 2501590Srgrimes */ 2511590Srgrimesstruct stringlist { 2521590Srgrimes struct stringlist *next; 2531590Srgrimes char *string; 2541590Srgrimes}; 2551590Srgrimesstruct stringlist *elist; 2561590Srgrimesstruct stringlist *Elist; 2571590Srgrimesstruct stringlist *flist; 2581590Srgrimesstruct stringlist *Flist; 2591590Srgrimesstruct stringlist *kfromlist; 2601590Srgrimesstruct stringlist *ktolist; 2611590Srgrimes 2621590Srgrimes /* 2631590Srgrimes * function declarations 2641590Srgrimes */ 2651590Srgrimes/* 2661590Srgrimes addarc(); 2671590Srgrimes*/ 26838928Sjdpint aout_getnfile(const char *, char ***); 2691590Srgrimesint arccmp(); 2701590Srgrimesarctype *arclookup(); 2711590Srgrimes/* 2721590Srgrimes asgnsamples(); 2731590Srgrimes printblurb(); 2741590Srgrimes cyclelink(); 2751590Srgrimes dfn(); 2761590Srgrimes*/ 2771590Srgrimesbool dfn_busy(); 2781590Srgrimes/* 2791590Srgrimes dfn_findcycle(); 2801590Srgrimes*/ 2811590Srgrimesbool dfn_numbered(); 2821590Srgrimes/* 2831590Srgrimes dfn_post_visit(); 2841590Srgrimes dfn_pre_visit(); 2851590Srgrimes dfn_self_cycle(); 2861590Srgrimes*/ 2871590Srgrimesnltype **doarcs(); 2881590Srgrimes/* 2891590Srgrimes done(); 29038928Sjdp*/ 29138928Sjdpint elf_getnfile(const char *, char ***); 29238928Sjdp/* 2931590Srgrimes findcalls(); 2941590Srgrimes flatprofheader(); 2951590Srgrimes flatprofline(); 2961590Srgrimes*/ 2971590Srgrimes/* 2981590Srgrimes getpfile(); 2991590Srgrimes gprofheader(); 3001590Srgrimes gprofline(); 30185739Sgreen*/ 30285739Sgreenint kernel_getnfile(const char *, char ***); 30385739Sgreen/* 3041590Srgrimes main(); 3051590Srgrimes*/ 3061590Srgrimesunsigned long max(); 3071590Srgrimesint membercmp(); 3081590Srgrimesunsigned long min(); 3091590Srgrimesnltype *nllookup(); 3101590SrgrimesFILE *openpfile(); 3111590Srgrimeslong operandlength(); 3121590Srgrimesoperandenum operandmode(); 3131590Srgrimeschar *operandname(); 3141590Srgrimes/* 3151590Srgrimes printchildren(); 3161590Srgrimes printcycle(); 3171590Srgrimes printgprof(); 3181590Srgrimes printmembers(); 3191590Srgrimes printname(); 3201590Srgrimes printparents(); 3211590Srgrimes printprof(); 3221590Srgrimes readsamples(); 3231590Srgrimes*/ 3241590Srgrimesunsigned long reladdr(); 3251590Srgrimes/* 3261590Srgrimes sortchildren(); 3271590Srgrimes sortmembers(); 3281590Srgrimes sortparents(); 3291590Srgrimes tally(); 3301590Srgrimes timecmp(); 3311590Srgrimes topcmp(); 3321590Srgrimes*/ 3331590Srgrimesint totalcmp(); 3341590Srgrimes/* 3351590Srgrimes valcmp(); 3361590Srgrimes*/ 3371590Srgrimes 3381590Srgrimes#define LESSTHAN -1 3391590Srgrimes#define EQUALTO 0 3401590Srgrimes#define GREATERTHAN 1 3411590Srgrimes 3421590Srgrimes#define DFNDEBUG 1 3431590Srgrimes#define CYCLEDEBUG 2 3441590Srgrimes#define ARCDEBUG 4 3451590Srgrimes#define TALLYDEBUG 8 3461590Srgrimes#define TIMEDEBUG 16 3471590Srgrimes#define SAMPLEDEBUG 32 3481590Srgrimes#define AOUTDEBUG 64 3491590Srgrimes#define CALLDEBUG 128 3501590Srgrimes#define LOOKUPDEBUG 256 3511590Srgrimes#define PROPDEBUG 512 3521590Srgrimes#define BREAKCYCLE 1024 3531590Srgrimes#define SUBCYCLELIST 2048 3541590Srgrimes#define ANYDEBUG 4096 355