gprof/gprof.h

   1 /*
   2  * Copyright (c) 1983 Regents of the University of California.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms are permitted
   6  * provided that: (1) source distributions retain this entire copyright
   7  * notice and comment, and (2) distributions including binaries display
   8  * the following acknowledgement:  ``This product includes software
   9  * developed by the University of California, Berkeley and its contributors''
  10  * in the documentation or other materials provided with the distribution
  11  * and in all advertising materials mentioning features or use of this
  12  * software. Neither the name of the University nor the names of its
  13  * contributors may be used to endorse or promote products derived
  14  * from this software without specific prior written permission.
  15  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  18  *
  19  *      @(#)gprof.h     5.9 (Berkeley) 6/1/90
  20  */
  21
  22 #include <stdio.h>
  23 #ifdef  __STDC__
  24 #include <stdlib.h>
  25 #endif  /* __STDC__ */
  26 #include <sys/types.h>
  27 #include <sys/stat.h>
  28 #include "bfd.h"
  29 #include "gmon.h"
  30
  31 #ifdef  MACHINE_H
  32 #       include MACHINE_H
  33 #else
  34 #       if vax
  35 #          include "vax.h"
  36 #       endif
  37 #       if sun
  38 #               include "sun.h"
  39 #       endif
  40 #       if tahoe
  41 #               include "tahoe.h"
  42 #       endif
  43 #endif
  44
  45
  46     /*
  47      *  who am i, for error messages.
  48      */
  49 char    *whoami;
  50
  51     /*
  52      * booleans
  53      */
  54 typedef int     bool;
  55 #define FALSE   0
  56 #define TRUE    1
  57
  58     /*
  59      *  ticks per second
  60      */
  61 long    hz;
  62
  63 typedef u_short UNIT;           /* unit of profiling */
  64 char    *a_outname;
  65 #define A_OUTNAME               "a.out"
  66
  67 char    *gmonname;
  68 #define GMONNAME                "gmon.out"
  69 #define GMONSUM                 "gmon.sum"
  70
  71 extern int bsd_style_output;
  72 extern int discard_underscores;
  73
  74     /*
  75      *  a constructed arc,
  76      *      with pointers to the namelist entry of the parent and the child,
  77      *      a count of how many times this arc was traversed,
  78      *      and pointers to the next parent of this child and
  79      *          the next child of this parent.
  80      */
  81 struct arcstruct {
  82     struct nl           *arc_parentp;   /* pointer to parent's nl entry */
  83     struct nl           *arc_childp;    /* pointer to child's nl entry */
  84     long                arc_count;      /* how calls from parent to child */
  85     double              arc_time;       /* time inherited along arc */
  86     double              arc_childtime;  /* childtime inherited along arc */
  87     struct arcstruct    *arc_parentlist; /* parents-of-this-child list */
  88     struct arcstruct    *arc_childlist; /* children-of-this-parent list */
  89 };
  90 typedef struct arcstruct        arctype;
  91
  92     /*
  93      * The symbol table;
  94      * for each external in the specified file we gather
  95      * its address, the number of calls and compute its share of cpu time.
  96      */
  97 struct nl {
  98     CONST char          *name;          /* the name */
  99     unsigned long       value;          /* the pc entry point */
 100     unsigned long       svalue;         /* entry point aligned to histograms */
 101     double              time;           /* ticks in this routine */
 102     double              childtime;      /* cumulative ticks in children */
 103     long                ncall;          /* how many times called */
 104     long                selfcalls;      /* how many calls to self */
 105     double              propfraction;   /* what % of time propagates */
 106     double              propself;       /* how much self time propagates */
 107     double              propchild;      /* how much child time propagates */
 108     bool                printflag;      /* should this be printed? */
 109     int                 index;          /* index in the graph list */
 110     int                 toporder;       /* graph call chain top-sort order */
 111     int                 cycleno;        /* internal number of cycle on */
 112     struct nl           *cyclehead;     /* pointer to head of cycle */
 113     struct nl           *cnext;         /* pointer to next member of cycle */
 114     arctype             *parents;       /* list of caller arcs */
 115     arctype             *children;      /* list of callee arcs */
 116 };
 117 typedef struct nl       nltype;
 118
 119 nltype  *nl;                    /* the whole namelist */
 120 nltype  *npe;                   /* the virtual end of the namelist */
 121 int     nname;                  /* the number of function names */
 122
 123     /*
 124      *  flag which marks a nl entry as topologically ``busy''
 125      *  flag which marks a nl entry as topologically ``not_numbered''
 126      */
 127 #define DFN_BUSY        -1
 128 #define DFN_NAN         0
 129
 130     /*
 131      *  namelist entries for cycle headers.
 132      *  the number of discovered cycles.
 133      */
 134 nltype  *cyclenl;               /* cycle header namelist */
 135 int     ncycle;                 /* number of cycles discovered */
 136
 137     /*
 138      * The header on the gmon.out file.
 139      * gmon.out consists of one of these headers,
 140      * and then an array of ncnt samples
 141      * representing the discretized program counter values.
 142      *  this should be a struct phdr, but since everything is done
 143      *  as UNITs, this is in UNITs too.
 144      */
 145 struct hdr {
 146     UNIT        *lowpc;
 147     UNIT        *highpc;
 148     int ncnt;
 149 };
 150
 151 struct hdr      h;
 152
 153 int     debug;
 154
 155     /*
 156      * Each discretized pc sample has
 157      * a count of the number of samples in its range
 158      */
 159 UNIT    *samples;
 160
 161 unsigned long   s_lowpc;        /* lowpc from the profile file */
 162 unsigned long   s_highpc;       /* highpc from the profile file */
 163 unsigned lowpc, highpc;         /* range profiled, in UNIT's */
 164 unsigned sampbytes;             /* number of bytes of samples */
 165 int     nsamples;               /* number of samples */
 166 double  actime;                 /* accumulated time thus far for putprofline */
 167 double  totime;                 /* total time for all routines */
 168 double  printtime;              /* total of time being printed */
 169 double  scale;                  /* scale factor converting samples to pc
 170                                    values: each sample covers scale bytes */
 171 char    *strtab;                /* string table in core */
 172 off_t   ssiz;                   /* size of the string table */
 173 unsigned char   *textspace;             /* text space of a.out in core */
 174
 175     /*
 176      *  option flags, from a to z.
 177      */
 178 bool    aflag;                          /* suppress static functions */
 179 bool    bflag;                          /* blurbs, too */
 180 bool    cflag;                          /* discovered call graph, too */
 181 bool    dflag;                          /* debugging options */
 182 bool    eflag;                          /* specific functions excluded */
 183 bool    Eflag;                          /* functions excluded with time */
 184 bool    fflag;                          /* specific functions requested */
 185 bool    Fflag;                          /* functions requested with time */
 186 bool    kflag;                          /* arcs to be deleted */
 187 bool    sflag;                          /* sum multiple gmon.out files */
 188 bool    zflag;                          /* zero time/called functions, too */
 189
 190     /*
 191      *  structure for various string lists
 192      */
 193 struct stringlist {
 194     struct stringlist   *next;
 195     char                *string;
 196 };
 197 struct stringlist       *elist;
 198 struct stringlist       *Elist;
 199 struct stringlist       *flist;
 200 struct stringlist       *Flist;
 201 struct stringlist       *kfromlist;
 202 struct stringlist       *ktolist;
 203
 204     /*
 205      *  function declarations
 206      */
 207 /*
 208                 addarc();
 209 */
 210 int             arccmp();
 211 arctype         *arclookup();
 212 /*
 213                 asgnsamples();
 214                 printblurb();
 215                 cyclelink();
 216                 dfn();
 217 */
 218 bool            dfn_busy();
 219 /*
 220                 dfn_findcycle();
 221 */
 222 bool            dfn_numbered();
 223 /*
 224                 dfn_post_visit();
 225                 dfn_pre_visit();
 226                 dfn_self_cycle();
 227 */
 228 nltype          **doarcs();
 229 /*
 230                 done();
 231                 findcalls();
 232                 flatprofheader();
 233                 flatprofline();
 234 */
 235 bool            funcsymbol();
 236 /*
 237                 getnfile();
 238                 getpfile();
 239                 getstrtab();
 240                 getsymtab();
 241                 gettextspace();
 242                 gprofheader();
 243                 gprofline();
 244                 main();
 245 */
 246 unsigned long   max();
 247 int             membercmp();
 248 unsigned long   min();
 249 nltype          *nllookup();
 250 FILE            *openpfile();
 251 /*
 252                 printchildren();
 253                 printcycle();
 254                 printgprof();
 255                 printmembers();
 256                 printname();
 257                 printparents();
 258                 printprof();
 259                 readsamples();
 260 */
 261 int             printnameonly();
 262 unsigned long   reladdr();
 263 /*
 264                 sortchildren();
 265                 sortmembers();
 266                 sortparents();
 267                 tally();
 268                 timecmp();
 269                 topcmp();
 270 */
 271 int             totalcmp();
 272 /*
 273                 valcmp();
 274 */
 275
 276 #define LESSTHAN        -1
 277 #define EQUALTO         0
 278 #define GREATERTHAN     1
 279
 280 #define DFNDEBUG        1
 281 #define CYCLEDEBUG      2
 282 #define ARCDEBUG        4
 283 #define TALLYDEBUG      8
 284 #define TIMEDEBUG       16
 285 #define SAMPLEDEBUG     32
 286 #define AOUTDEBUG       64
 287 #define CALLDEBUG       128
 288 #define LOOKUPDEBUG     256
 289 #define PROPDEBUG       512
 290 #define ANYDEBUG        1024