/* * Copyright (c) 1983 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. * * @(#)gprof.h 5.1 (Berkeley) 6/4/85 */ #include #include #include #include #include "gcrt0.h" #if vax # include "vax.h" #endif #if sun # include "sun.h" #endif /* * who am i, for error messages. */ char *whoami; /* * booleans */ typedef int bool; #define FALSE 0 #define TRUE 1 /* * ticks per second */ long hz; typedef short UNIT; /* unit of profiling */ char *a_outname; #define A_OUTNAME "a.out" char *gmonname; #define GMONNAME "gmon.out" #define GMONSUM "gmon.sum" /* * blurbs on the flat and graph profiles. */ #define FLAT_BLURB "/usr/lib/gprof.flat" #define CALLG_BLURB "/usr/lib/gprof.callg" /* * a constructed arc, * with pointers to the namelist entry of the parent and the child, * a count of how many times this arc was traversed, * and pointers to the next parent of this child and * the next child of this parent. */ struct arcstruct { struct nl *arc_parentp; /* pointer to parent's nl entry */ struct nl *arc_childp; /* pointer to child's nl entry */ long arc_count; /* how calls from parent to child */ double arc_time; /* time inherited along arc */ double arc_childtime; /* childtime inherited along arc */ struct arcstruct *arc_parentlist; /* parents-of-this-child list */ struct arcstruct *arc_childlist; /* children-of-this-parent list */ }; typedef struct arcstruct arctype; /* * The symbol table; * for each external in the specified file we gather * its address, the number of calls and compute its share of cpu time. */ struct nl { char *name; /* the name */ unsigned long value; /* the pc entry point */ unsigned long svalue; /* entry point aligned to histograms */ double time; /* ticks in this routine */ double childtime; /* cumulative ticks in children */ long ncall; /* how many times called */ long selfcalls; /* how many calls to self */ double propfraction; /* what % of time propagates */ double propself; /* how much self time propagates */ double propchild; /* how much child time propagates */ bool printflag; /* should this be printed? */ int index; /* index in the graph list */ int toporder; /* graph call chain top-sort order */ int cycleno; /* internal number of cycle on */ struct nl *cyclehead; /* pointer to head of cycle */ struct nl *cnext; /* pointer to next member of cycle */ arctype *parents; /* list of caller arcs */ arctype *children; /* list of callee arcs */ }; typedef struct nl nltype; nltype *nl; /* the whole namelist */ nltype *npe; /* the virtual end of the namelist */ int nname; /* the number of function names */ /* * flag which marks a nl entry as topologically ``busy'' * flag which marks a nl entry as topologically ``not_numbered'' */ #define DFN_BUSY -1 #define DFN_NAN 0 /* * namelist entries for cycle headers. * the number of discovered cycles. */ nltype *cyclenl; /* cycle header namelist */ int ncycle; /* number of cycles discovered */ /* * The header on the gmon.out file. * gmon.out consists of one of these headers, * and then an array of ncnt samples * representing the discretized program counter values. * this should be a struct phdr, but since everything is done * as UNITs, this is in UNITs too. */ struct hdr { UNIT *lowpc; UNIT *highpc; int ncnt; }; struct hdr h; int debug; /* * Each discretized pc sample has * a count of the number of samples in its range */ unsigned UNIT *samples; unsigned long s_lowpc; /* lowpc from the profile file */ unsigned long s_highpc; /* highpc from the profile file */ unsigned lowpc, highpc; /* range profiled, in UNIT's */ unsigned sampbytes; /* number of bytes of samples */ int nsamples; /* number of samples */ double actime; /* accumulated time thus far for putprofline */ double totime; /* total time for all routines */ double printtime; /* total of time being printed */ double scale; /* scale factor converting samples to pc values: each sample covers scale bytes */ char *strtab; /* string table in core */ off_t ssiz; /* size of the string table */ struct exec xbuf; /* exec header of a.out */ unsigned char *textspace; /* text space of a.out in core */ /* * option flags, from a to z. */ bool aflag; /* suppress static functions */ bool bflag; /* blurbs, too */ bool cflag; /* discovered call graph, too */ bool dflag; /* debugging options */ bool eflag; /* specific functions excluded */ bool Eflag; /* functions excluded with time */ bool fflag; /* specific functions requested */ bool Fflag; /* functions requested with time */ bool sflag; /* sum multiple gmon.out files */ bool zflag; /* zero time/called functions, too */ /* * structure for various string lists */ struct stringlist { struct stringlist *next; char *string; }; struct stringlist *elist; struct stringlist *Elist; struct stringlist *flist; struct stringlist *Flist; /* * function declarations */ addarc(); int arccmp(); arctype *arclookup(); asgnsamples(); printblurb(); cyclelink(); dfn(); bool dfn_busy(); dfn_findcycle(); bool dfn_numbered(); dfn_post_visit(); dfn_pre_visit(); dfn_self_cycle(); nltype **doarcs(); done(); findcalls(); flatprofheader(); flatprofline(); bool funcsymbol(); getnfile(); getpfile(); getstrtab(); getsymtab(); gettextspace(); gprofheader(); gprofline(); main(); unsigned long max(); int membercmp(); unsigned long min(); nltype *nllookup(); FILE *openpfile(); long operandlength(); operandenum operandmode(); char *operandname(); printchildren(); printcycle(); printgprof(); printmembers(); printname(); printparents(); printprof(); readsamples(); unsigned long reladdr(); sortchildren(); sortmembers(); sortparents(); tally(); timecmp(); topcmp(); int totalcmp(); valcmp(); #define LESSTHAN -1 #define EQUALTO 0 #define GREATERTHAN 1 #define DFNDEBUG 1 #define CYCLEDEBUG 2 #define ARCDEBUG 4 #define TALLYDEBUG 8 #define TIMEDEBUG 16 #define SAMPLEDEBUG 32 #define AOUTDEBUG 64 #define CALLSDEBUG 128 #define LOOKUPDEBUG 256 #define PROPDEBUG 512 #define ANYDEBUG 1024