gprof/gmon_io.c

   1 /* gmon_io.c - Input and output from/to gmon.out files.
   2
   3    Copyright (C) 1999-2021 Free Software Foundation, Inc.
   4
   5    This file is part of GNU Binutils.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
  20    02110-1301, USA.  */
  21 \f
  22 #include "gprof.h"
  23 #include "binary-io.h"
  24 #include "search_list.h"
  25 #include "source.h"
  26 #include "symtab.h"
  27 #include "cg_arcs.h"
  28 #include "basic_blocks.h"
  29 #include "corefile.h"
  30 #include "call_graph.h"
  31 #include "gmon_io.h"
  32 #include "gmon_out.h"
  33 #include "gmon.h"               /* Fetch header for old format.  */
  34 #include "hertz.h"
  35 #include "hist.h"
  36 #include "libiberty.h"
  37
  38 enum gmon_ptr_size {
  39   ptr_32bit,
  40   ptr_64bit
  41 };
  42
  43 enum gmon_ptr_signedness {
  44   ptr_signed,
  45   ptr_unsigned
  46 };
  47
  48 static enum gmon_ptr_size gmon_get_ptr_size (void);
  49 static enum gmon_ptr_signedness gmon_get_ptr_signedness (void);
  50
  51 #ifdef BFD_HOST_U_64_BIT
  52 static int gmon_io_read_64 (FILE *, BFD_HOST_U_64_BIT *);
  53 static int gmon_io_write_64 (FILE *, BFD_HOST_U_64_BIT);
  54 #endif
  55 static int gmon_read_raw_arc
  56   (FILE *, bfd_vma *, bfd_vma *, unsigned long *);
  57 static int gmon_write_raw_arc
  58   (FILE *, bfd_vma, bfd_vma, unsigned long);
  59
  60 int gmon_input = 0;
  61 int gmon_file_version = 0;      /* 0 == old (non-versioned) file format.  */
  62
  63 static enum gmon_ptr_size
  64 gmon_get_ptr_size (void)
  65 {
  66   int size;
  67
  68   /* Pick best size for pointers.  Start with the ELF size, and if not
  69      elf go with the architecture's address size.  */
  70   size = bfd_get_arch_size (core_bfd);
  71   if (size == -1)
  72     size = bfd_arch_bits_per_address (core_bfd);
  73
  74   switch (size)
  75     {
  76     case 32:
  77       return ptr_32bit;
  78
  79     case 64:
  80       return ptr_64bit;
  81
  82     default:
  83       fprintf (stderr, _("%s: address size has unexpected value of %u\n"),
  84                whoami, size);
  85       done (1);
  86     }
  87 }
  88
  89 static enum gmon_ptr_signedness
  90 gmon_get_ptr_signedness (void)
  91 {
  92   int sext;
  93
  94   /* Figure out whether to sign extend.  If BFD doesn't know, assume no.  */
  95   sext = bfd_get_sign_extend_vma (core_bfd);
  96   if (sext == -1)
  97     return ptr_unsigned;
  98   return (sext ? ptr_signed : ptr_unsigned);
  99 }
 100
 101 int
 102 gmon_io_read_32 (FILE *ifp, unsigned int *valp)
 103 {
 104   char buf[4];
 105
 106   if (fread (buf, 1, 4, ifp) != 4)
 107     return 1;
 108   *valp = bfd_get_32 (core_bfd, buf);
 109   return 0;
 110 }
 111
 112 #ifdef BFD_HOST_U_64_BIT
 113 static int
 114 gmon_io_read_64 (FILE *ifp, BFD_HOST_U_64_BIT *valp)
 115 {
 116   char buf[8];
 117
 118   if (fread (buf, 1, 8, ifp) != 8)
 119     return 1;
 120   *valp = bfd_get_64 (core_bfd, buf);
 121   return 0;
 122 }
 123 #endif
 124
 125 int
 126 gmon_io_read_vma (FILE *ifp, bfd_vma *valp)
 127 {
 128   unsigned int val32;
 129 #ifdef BFD_HOST_U_64_BIT
 130   BFD_HOST_U_64_BIT val64;
 131 #endif
 132
 133   switch (gmon_get_ptr_size ())
 134     {
 135     case ptr_32bit:
 136       if (gmon_io_read_32 (ifp, &val32))
 137         return 1;
 138       if (gmon_get_ptr_signedness () == ptr_signed)
 139         *valp = (int) val32;
 140       else
 141         *valp = val32;
 142       break;
 143
 144 #ifdef BFD_HOST_U_64_BIT
 145     case ptr_64bit:
 146       if (gmon_io_read_64 (ifp, &val64))
 147         return 1;
 148 #ifdef BFD_HOST_64_BIT
 149       if (gmon_get_ptr_signedness () == ptr_signed)
 150         *valp = (BFD_HOST_64_BIT) val64;
 151       else
 152 #endif
 153         *valp = val64;
 154       break;
 155 #endif
 156     }
 157   return 0;
 158 }
 159
 160 int
 161 gmon_io_read (FILE *ifp, char *buf, size_t n)
 162 {
 163   if (fread (buf, 1, n, ifp) != n)
 164     return 1;
 165   return 0;
 166 }
 167
 168 int
 169 gmon_io_write_32 (FILE *ofp, unsigned int val)
 170 {
 171   char buf[4];
 172
 173   bfd_put_32 (core_bfd, (bfd_vma) val, buf);
 174   if (fwrite (buf, 1, 4, ofp) != 4)
 175     return 1;
 176   return 0;
 177 }
 178
 179 #ifdef BFD_HOST_U_64_BIT
 180 static int
 181 gmon_io_write_64 (FILE *ofp, BFD_HOST_U_64_BIT val)
 182 {
 183   char buf[8];
 184
 185   bfd_put_64 (core_bfd, (bfd_vma) val, buf);
 186   if (fwrite (buf, 1, 8, ofp) != 8)
 187     return 1;
 188   return 0;
 189 }
 190 #endif
 191
 192 int
 193 gmon_io_write_vma (FILE *ofp, bfd_vma val)
 194 {
 195
 196   switch (gmon_get_ptr_size ())
 197     {
 198     case ptr_32bit:
 199       if (gmon_io_write_32 (ofp, (unsigned int) val))
 200         return 1;
 201       break;
 202
 203 #ifdef BFD_HOST_U_64_BIT
 204     case ptr_64bit:
 205       if (gmon_io_write_64 (ofp, (BFD_HOST_U_64_BIT) val))
 206         return 1;
 207       break;
 208 #endif
 209     }
 210   return 0;
 211 }
 212
 213 int
 214 gmon_io_write_8 (FILE *ofp, unsigned int val)
 215 {
 216   char buf[1];
 217
 218   bfd_put_8 (core_bfd, val, buf);
 219   if (fwrite (buf, 1, 1, ofp) != 1)
 220     return 1;
 221   return 0;
 222 }
 223
 224 int
 225 gmon_io_write (FILE *ofp, char *buf, size_t n)
 226 {
 227   if (fwrite (buf, 1, n, ofp) != n)
 228     return 1;
 229   return 0;
 230 }
 231
 232 static int
 233 gmon_read_raw_arc (FILE *ifp, bfd_vma *fpc, bfd_vma *spc, unsigned long *cnt)
 234 {
 235 #ifdef BFD_HOST_U_64_BIT
 236   BFD_HOST_U_64_BIT cnt64;
 237 #endif
 238   unsigned int cnt32;
 239
 240   if (gmon_io_read_vma (ifp, fpc)
 241       || gmon_io_read_vma (ifp, spc))
 242     return 1;
 243
 244   switch (gmon_get_ptr_size ())
 245     {
 246     case ptr_32bit:
 247       if (gmon_io_read_32 (ifp, &cnt32))
 248         return 1;
 249       *cnt = cnt32;
 250       break;
 251
 252 #ifdef BFD_HOST_U_64_BIT
 253     case ptr_64bit:
 254       if (gmon_io_read_64 (ifp, &cnt64))
 255         return 1;
 256       *cnt = cnt64;
 257       break;
 258 #endif
 259
 260     default:
 261       return 1;
 262     }
 263   return 0;
 264 }
 265
 266 static int
 267 gmon_write_raw_arc (FILE *ofp, bfd_vma fpc, bfd_vma spc, unsigned long cnt)
 268 {
 269
 270   if (gmon_io_write_vma (ofp, fpc)
 271       || gmon_io_write_vma (ofp, spc))
 272     return 1;
 273
 274   switch (gmon_get_ptr_size ())
 275     {
 276     case ptr_32bit:
 277       if (gmon_io_write_32 (ofp, (unsigned int) cnt))
 278         return 1;
 279       break;
 280
 281 #ifdef BFD_HOST_U_64_BIT
 282     case ptr_64bit:
 283       if (gmon_io_write_64 (ofp, (BFD_HOST_U_64_BIT) cnt))
 284         return 1;
 285       break;
 286 #endif
 287     }
 288   return 0;
 289 }
 290
 291 void
 292 gmon_out_read (const char *filename)
 293 {
 294   FILE *ifp;
 295   struct gmon_hdr ghdr;
 296   unsigned char tag;
 297   int nhist = 0, narcs = 0, nbbs = 0;
 298
 299   /* Open gmon.out file.  */
 300   if (strcmp (filename, "-") == 0)
 301     {
 302       ifp = stdin;
 303       SET_BINARY (fileno (stdin));
 304     }
 305   else
 306     {
 307       ifp = fopen (filename, FOPEN_RB);
 308
 309       if (!ifp)
 310         {
 311           perror (filename);
 312           done (1);
 313         }
 314     }
 315
 316   if (fread (&ghdr, sizeof (struct gmon_hdr), 1, ifp) != 1)
 317     {
 318       fprintf (stderr, _("%s: file too short to be a gmon file\n"),
 319                filename);
 320       done (1);
 321     }
 322
 323   if ((file_format == FF_MAGIC)
 324       || (file_format == FF_AUTO && !strncmp (&ghdr.cookie[0], GMON_MAGIC, 4)))
 325     {
 326       if (file_format == FF_MAGIC && strncmp (&ghdr.cookie[0], GMON_MAGIC, 4))
 327         {
 328           fprintf (stderr, _("%s: file `%s' has bad magic cookie\n"),
 329                    whoami, filename);
 330           done (1);
 331         }
 332
 333       /* Right magic, so it's probably really a new gmon.out file.  */
 334       gmon_file_version = bfd_get_32 (core_bfd, (bfd_byte *) ghdr.version);
 335
 336       if (gmon_file_version != GMON_VERSION && gmon_file_version != 0)
 337         {
 338           fprintf (stderr,
 339                    _("%s: file `%s' has unsupported version %d\n"),
 340                    whoami, filename, gmon_file_version);
 341           done (1);
 342         }
 343
 344       /* Read in all the records.  */
 345       while (fread (&tag, sizeof (tag), 1, ifp) == 1)
 346         {
 347           switch (tag)
 348             {
 349             case GMON_TAG_TIME_HIST:
 350               ++nhist;
 351               gmon_input |= INPUT_HISTOGRAM;
 352               hist_read_rec (ifp, filename);
 353               break;
 354
 355             case GMON_TAG_CG_ARC:
 356               ++narcs;
 357               gmon_input |= INPUT_CALL_GRAPH;
 358               cg_read_rec (ifp, filename);
 359               break;
 360
 361             case GMON_TAG_BB_COUNT:
 362               ++nbbs;
 363               gmon_input |= INPUT_BB_COUNTS;
 364               bb_read_rec (ifp, filename);
 365               break;
 366
 367             default:
 368               fprintf (stderr,
 369                        _("%s: %s: found bad tag %d (file corrupted?)\n"),
 370                        whoami, filename, tag);
 371               done (1);
 372             }
 373         }
 374     }
 375   else if (file_format == FF_AUTO
 376            || file_format == FF_BSD
 377            || file_format == FF_BSD44)
 378     {
 379       struct hdr
 380       {
 381         bfd_vma low_pc;
 382         bfd_vma high_pc;
 383         unsigned int ncnt;
 384       };
 385       unsigned int i;
 386       int samp_bytes, header_size = 0;
 387       unsigned long count;
 388       bfd_vma from_pc, self_pc;
 389       UNIT raw_bin_count;
 390       struct hdr tmp;
 391       unsigned int version;
 392       unsigned int hist_num_bins;
 393
 394       /* Information from a gmon.out file is in two parts: an array of
 395          sampling hits within pc ranges, and the arcs.  */
 396       gmon_input = INPUT_HISTOGRAM | INPUT_CALL_GRAPH;
 397
 398       /* This fseek() ought to work even on stdin as long as it's
 399          not an interactive device (heck, is there anybody who would
 400          want to type in a gmon.out at the terminal?).  */
 401       if (fseek (ifp, 0, SEEK_SET) < 0)
 402         {
 403           perror (filename);
 404           done (1);
 405         }
 406
 407       /* The beginning of the old BSD header and the 4.4BSD header
 408          are the same: lowpc, highpc, ncnt  */
 409       if (gmon_io_read_vma (ifp, &tmp.low_pc)
 410           || gmon_io_read_vma (ifp, &tmp.high_pc)
 411           || gmon_io_read_32 (ifp, &tmp.ncnt))
 412         {
 413  bad_gmon_file:
 414           fprintf (stderr, _("%s: file too short to be a gmon file\n"),
 415                    filename);
 416           done (1);
 417         }
 418
 419       /* Check to see if this a 4.4BSD-style header.  */
 420       if (gmon_io_read_32 (ifp, &version))
 421         goto bad_gmon_file;
 422
 423       if (version == GMONVERSION)
 424         {
 425           unsigned int profrate;
 426
 427           /* 4.4BSD format header.  */
 428           if (gmon_io_read_32 (ifp, &profrate))
 429             goto bad_gmon_file;
 430
 431           if (!histograms)
 432             hz = profrate;
 433           else if (hz != (int) profrate)
 434             {
 435               fprintf (stderr,
 436                        _("%s: profiling rate incompatible with first gmon file\n"),
 437                        filename);
 438               done (1);
 439             }
 440
 441           switch (gmon_get_ptr_size ())
 442             {
 443             case ptr_32bit:
 444               header_size = GMON_HDRSIZE_BSD44_32;
 445               break;
 446
 447             case ptr_64bit:
 448               header_size = GMON_HDRSIZE_BSD44_64;
 449               break;
 450             }
 451         }
 452       else
 453         {
 454           /* Old style BSD format.  */
 455           if (file_format == FF_BSD44)
 456             {
 457               fprintf (stderr, _("%s: file `%s' has bad magic cookie\n"),
 458                        whoami, filename);
 459               done (1);
 460             }
 461
 462           switch (gmon_get_ptr_size ())
 463             {
 464             case ptr_32bit:
 465               header_size = GMON_HDRSIZE_OLDBSD_32;
 466               break;
 467
 468             case ptr_64bit:
 469               header_size = GMON_HDRSIZE_OLDBSD_64;
 470               break;
 471             }
 472         }
 473
 474       /* Position the file to after the header.  */
 475       if (fseek (ifp, header_size, SEEK_SET) < 0)
 476         {
 477           perror (filename);
 478           done (1);
 479         }
 480
 481       samp_bytes = tmp.ncnt - header_size;
 482       hist_num_bins = samp_bytes / sizeof (UNIT);
 483       if (histograms && (tmp.low_pc != histograms->lowpc
 484                          || tmp.high_pc != histograms->highpc
 485                          || (hist_num_bins != histograms->num_bins)))
 486         {
 487           fprintf (stderr, _("%s: incompatible with first gmon file\n"),
 488                    filename);
 489           done (1);
 490         }
 491
 492       if (!histograms)
 493         {
 494           num_histograms = 1;
 495           histograms = (struct histogram *) xmalloc (sizeof (struct histogram));
 496           histograms->lowpc = tmp.low_pc;
 497           histograms->highpc = tmp.high_pc;
 498           histograms->num_bins = hist_num_bins;
 499           hist_scale = (double)((tmp.high_pc - tmp.low_pc) / sizeof (UNIT))
 500             / hist_num_bins;
 501           histograms->sample = (int *) xmalloc (hist_num_bins * sizeof (int));
 502           memset (histograms->sample, 0,
 503                   hist_num_bins * sizeof (int));
 504         }
 505
 506       DBG (SAMPLEDEBUG,
 507            printf ("[gmon_out_read] lowpc 0x%lx highpc 0x%lx ncnt %d\n",
 508                    (unsigned long) tmp.low_pc, (unsigned long) tmp.high_pc,
 509                    tmp.ncnt);
 510            printf ("[gmon_out_read] samp_bytes %d hist_num_bins %d\n",
 511                    samp_bytes, hist_num_bins));
 512
 513       /* Make sure that we have sensible values.  */
 514       if (samp_bytes < 0 || histograms->lowpc > histograms->highpc)
 515         {
 516           fprintf (stderr,
 517             _("%s: file '%s' does not appear to be in gmon.out format\n"),
 518             whoami, filename);
 519           done (1);
 520         }
 521
 522       if (hist_num_bins)
 523         ++nhist;
 524
 525       for (i = 0; i < hist_num_bins; ++i)
 526         {
 527           if (fread (raw_bin_count, sizeof (raw_bin_count), 1, ifp) != 1)
 528             {
 529               fprintf (stderr,
 530                        _("%s: unexpected EOF after reading %d/%d bins\n"),
 531                        whoami, --i, hist_num_bins);
 532               done (1);
 533             }
 534
 535           histograms->sample[i]
 536             += bfd_get_16 (core_bfd, (bfd_byte *) raw_bin_count);
 537         }
 538
 539       /* The rest of the file consists of a bunch of
 540          <from,self,count> tuples.  */
 541       while (gmon_read_raw_arc (ifp, &from_pc, &self_pc, &count) == 0)
 542         {
 543           ++narcs;
 544
 545           DBG (SAMPLEDEBUG,
 546              printf ("[gmon_out_read] frompc 0x%lx selfpc 0x%lx count %lu\n",
 547                      (unsigned long) from_pc, (unsigned long) self_pc, count));
 548
 549           /* Add this arc.  */
 550           cg_tally (from_pc, self_pc, count);
 551         }
 552
 553       if (hz == HZ_WRONG)
 554         {
 555           /* How many ticks per second?  If we can't tell, report
 556              time in ticks.  */
 557           hz = hertz ();
 558
 559           if (hz == HZ_WRONG)
 560             {
 561               hz = 1;
 562               fprintf (stderr, _("time is in ticks, not seconds\n"));
 563             }
 564         }
 565     }
 566   else
 567     {
 568       fprintf (stderr, _("%s: don't know how to deal with file format %d\n"),
 569                whoami, file_format);
 570       done (1);
 571     }
 572
 573   if (ifp != stdin)
 574     fclose (ifp);
 575
 576   if (output_style & STYLE_GMON_INFO)
 577     {
 578       printf (_("File `%s' (version %d) contains:\n"),
 579               filename, gmon_file_version);
 580       printf (nhist == 1 ?
 581               _("\t%d histogram record\n") :
 582               _("\t%d histogram records\n"), nhist);
 583       printf (narcs == 1 ?
 584               _("\t%d call-graph record\n") :
 585               _("\t%d call-graph records\n"), narcs);
 586       printf (nbbs == 1 ?
 587               _("\t%d basic-block count record\n") :
 588               _("\t%d basic-block count records\n"), nbbs);
 589       first_output = FALSE;
 590     }
 591 }
 592
 593
 594 void
 595 gmon_out_write (const char *filename)
 596 {
 597   FILE *ofp;
 598   struct gmon_hdr ghdr;
 599
 600   ofp = fopen (filename, FOPEN_WB);
 601   if (!ofp)
 602     {
 603       perror (filename);
 604       done (1);
 605     }
 606
 607   if (file_format == FF_AUTO || file_format == FF_MAGIC)
 608     {
 609       /* Write gmon header.  */
 610
 611       memcpy (&ghdr.cookie[0], GMON_MAGIC, 4);
 612       bfd_put_32 (core_bfd, (bfd_vma) GMON_VERSION, (bfd_byte *) ghdr.version);
 613
 614       if (fwrite (&ghdr, sizeof (ghdr), 1, ofp) != 1)
 615         {
 616           perror (filename);
 617           done (1);
 618         }
 619
 620       /* Write execution time histogram if we have one.  */
 621       if (gmon_input & INPUT_HISTOGRAM)
 622         hist_write_hist (ofp, filename);
 623
 624       /* Write call graph arcs if we have any.  */
 625       if (gmon_input & INPUT_CALL_GRAPH)
 626         cg_write_arcs (ofp, filename);
 627
 628       /* Write basic-block info if we have it.  */
 629       if (gmon_input & INPUT_BB_COUNTS)
 630         bb_write_blocks (ofp, filename);
 631     }
 632   else if (file_format == FF_BSD || file_format == FF_BSD44)
 633     {
 634       UNIT raw_bin_count;
 635       unsigned int i, hdrsize;
 636       unsigned padsize;
 637       char pad[3*4];
 638       Arc *arc;
 639       Sym *sym;
 640
 641       memset (pad, 0, sizeof (pad));
 642
 643       hdrsize = 0;
 644       /* Decide how large the header will be.  Use the 4.4BSD format
 645          header if explicitly specified, or if the profiling rate is
 646          non-standard.  Otherwise, use the old BSD format.  */
 647       if (file_format == FF_BSD44
 648           || hz != hertz())
 649         {
 650           padsize = 3*4;
 651           switch (gmon_get_ptr_size ())
 652             {
 653             case ptr_32bit:
 654               hdrsize = GMON_HDRSIZE_BSD44_32;
 655               break;
 656
 657             case ptr_64bit:
 658               hdrsize = GMON_HDRSIZE_BSD44_64;
 659               break;
 660             }
 661         }
 662       else
 663         {
 664           padsize = 0;
 665           switch (gmon_get_ptr_size ())
 666             {
 667             case ptr_32bit:
 668               hdrsize = GMON_HDRSIZE_OLDBSD_32;
 669               break;
 670
 671             case ptr_64bit:
 672               hdrsize = GMON_HDRSIZE_OLDBSD_64;
 673               /* FIXME: Checking host compiler defines here means that we can't
 674                  use a cross gprof alpha OSF.  */
 675 #if defined(__alpha__) && defined (__osf__)
 676               padsize = 4;
 677 #endif
 678               break;
 679             }
 680         }
 681
 682       /* Write the parts of the headers that are common to both the
 683          old BSD and 4.4BSD formats.  */
 684       if (gmon_io_write_vma (ofp, histograms->lowpc)
 685           || gmon_io_write_vma (ofp, histograms->highpc)
 686           || gmon_io_write_32 (ofp, histograms->num_bins
 687                                * sizeof (UNIT) + hdrsize))
 688         {
 689           perror (filename);
 690           done (1);
 691         }
 692
 693       /* Write out the 4.4BSD header bits, if that's what we're using.  */
 694       if (file_format == FF_BSD44
 695           || hz != hertz())
 696         {
 697           if (gmon_io_write_32 (ofp, GMONVERSION)
 698               || gmon_io_write_32 (ofp, (unsigned int) hz))
 699             {
 700               perror (filename);
 701               done (1);
 702             }
 703         }
 704
 705       /* Now write out any necessary padding after the meaningful
 706          header bits.  */
 707       if (padsize != 0
 708           && fwrite (pad, 1, padsize, ofp) != padsize)
 709         {
 710           perror (filename);
 711           done (1);
 712         }
 713
 714       /* Dump the samples.  */
 715       for (i = 0; i < histograms->num_bins; ++i)
 716         {
 717           bfd_put_16 (core_bfd, (bfd_vma) histograms->sample[i],
 718                       (bfd_byte *) &raw_bin_count[0]);
 719           if (fwrite (&raw_bin_count[0], sizeof (raw_bin_count), 1, ofp) != 1)
 720             {
 721               perror (filename);
 722               done (1);
 723             }
 724         }
 725
 726       /* Dump the normalized raw arc information.  */
 727       for (sym = symtab.base; sym < symtab.limit; ++sym)
 728         {
 729           for (arc = sym->cg.children; arc; arc = arc->next_child)
 730             {
 731               if (gmon_write_raw_arc (ofp, arc->parent->addr,
 732                                       arc->child->addr, arc->count))
 733                 {
 734                   perror (filename);
 735                   done (1);
 736                 }
 737               DBG (SAMPLEDEBUG,
 738                    printf ("[dumpsum] frompc 0x%lx selfpc 0x%lx count %lu\n",
 739                            (unsigned long) arc->parent->addr,
 740                            (unsigned long) arc->child->addr, arc->count));
 741             }
 742         }
 743
 744       fclose (ofp);
 745     }
 746   else
 747     {
 748       fprintf (stderr, _("%s: don't know how to deal with file format %d\n"),
 749                whoami, file_format);
 750       done (1);
 751     }
 752 }