gprof/gmon_io.c

   1 /* gmon_io.c - Input and output from/to gmon.out files.
   2
   3    Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005
   4    Free Software Foundation, Inc.
   5
   6    This file is part of GNU Binutils.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  21    02111-1307, USA.  */
  22 \f
  23 #include "gprof.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 ()
  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 ()
  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   return 0;
 261 }
 262
 263 static int
 264 gmon_write_raw_arc (FILE *ofp, bfd_vma fpc, bfd_vma spc, unsigned long cnt)
 265 {
 266
 267   if (gmon_io_write_vma (ofp, fpc)
 268       || gmon_io_write_vma (ofp, spc))
 269     return 1;
 270
 271   switch (gmon_get_ptr_size ())
 272     {
 273     case ptr_32bit:
 274       if (gmon_io_write_32 (ofp, (unsigned int) cnt))
 275         return 1;
 276       break;
 277
 278 #ifdef BFD_HOST_U_64_BIT
 279     case ptr_64bit:
 280       if (gmon_io_write_64 (ofp, (BFD_HOST_U_64_BIT) cnt))
 281         return 1;
 282       break;
 283 #endif
 284     }
 285   return 0;
 286 }
 287
 288 void
 289 gmon_out_read (const char *filename)
 290 {
 291   FILE *ifp;
 292   struct gmon_hdr ghdr;
 293   unsigned char tag;
 294   int nhist = 0, narcs = 0, nbbs = 0;
 295
 296   /* Open gmon.out file.  */
 297   if (strcmp (filename, "-") == 0)
 298     {
 299       ifp = stdin;
 300 #ifdef SET_BINARY
 301       SET_BINARY (fileno (stdin));
 302 #endif
 303     }
 304   else
 305     {
 306       ifp = fopen (filename, FOPEN_RB);
 307
 308       if (!ifp)
 309         {
 310           perror (filename);
 311           done (1);
 312         }
 313     }
 314
 315   if (fread (&ghdr, sizeof (struct gmon_hdr), 1, ifp) != 1)
 316     {
 317       fprintf (stderr, _("%s: file too short to be a gmon file\n"),
 318                filename);
 319       done (1);
 320     }
 321
 322   if ((file_format == FF_MAGIC)
 323       || (file_format == FF_AUTO && !strncmp (&ghdr.cookie[0], GMON_MAGIC, 4)))
 324     {
 325       if (file_format == FF_MAGIC && strncmp (&ghdr.cookie[0], GMON_MAGIC, 4))
 326         {
 327           fprintf (stderr, _("%s: file `%s' has bad magic cookie\n"),
 328                    whoami, filename);
 329           done (1);
 330         }
 331
 332       /* Right magic, so it's probably really a new gmon.out file.  */
 333       gmon_file_version = bfd_get_32 (core_bfd, (bfd_byte *) ghdr.version);
 334
 335       if (gmon_file_version != GMON_VERSION && gmon_file_version != 0)
 336         {
 337           fprintf (stderr,
 338                    _("%s: file `%s' has unsupported version %d\n"),
 339                    whoami, filename, gmon_file_version);
 340           done (1);
 341         }
 342
 343       /* Read in all the records.  */
 344       while (fread (&tag, sizeof (tag), 1, ifp) == 1)
 345         {
 346           switch (tag)
 347             {
 348             case GMON_TAG_TIME_HIST:
 349               ++nhist;
 350               gmon_input |= INPUT_HISTOGRAM;
 351               hist_read_rec (ifp, filename);
 352               break;
 353
 354             case GMON_TAG_CG_ARC:
 355               ++narcs;
 356               gmon_input |= INPUT_CALL_GRAPH;
 357               cg_read_rec (ifp, filename);
 358               break;
 359
 360             case GMON_TAG_BB_COUNT:
 361               ++nbbs;
 362               gmon_input |= INPUT_BB_COUNTS;
 363               bb_read_rec (ifp, filename);
 364               break;
 365
 366             default:
 367               fprintf (stderr,
 368                        _("%s: %s: found bad tag %d (file corrupted?)\n"),
 369                        whoami, filename, tag);
 370               done (1);
 371             }
 372         }
 373     }
 374   else if (file_format == FF_AUTO
 375            || file_format == FF_BSD
 376            || file_format == FF_BSD44)
 377     {
 378       struct hdr
 379       {
 380         bfd_vma low_pc;
 381         bfd_vma high_pc;
 382         unsigned int ncnt;
 383       };
 384       unsigned int i;
 385       int samp_bytes, header_size = 0;
 386       unsigned long count;
 387       bfd_vma from_pc, self_pc;
 388       static struct hdr h;
 389       UNIT raw_bin_count;
 390       struct hdr tmp;
 391       unsigned int version;
 392
 393       /* Information from a gmon.out file is in two parts: an array of
 394          sampling hits within pc ranges, and the arcs.  */
 395       gmon_input = INPUT_HISTOGRAM | INPUT_CALL_GRAPH;
 396
 397       /* This fseek() ought to work even on stdin as long as it's
 398          not an interactive device (heck, is there anybody who would
 399          want to type in a gmon.out at the terminal?).  */
 400       if (fseek (ifp, 0, SEEK_SET) < 0)
 401         {
 402           perror (filename);
 403           done (1);
 404         }
 405
 406       /* The beginning of the old BSD header and the 4.4BSD header
 407          are the same: lowpc, highpc, ncnt  */
 408       if (gmon_io_read_vma (ifp, &tmp.low_pc)
 409           || gmon_io_read_vma (ifp, &tmp.high_pc)
 410           || gmon_io_read_32 (ifp, &tmp.ncnt))
 411         {
 412  bad_gmon_file:
 413           fprintf (stderr, _("%s: file too short to be a gmon file\n"),
 414                    filename);
 415           done (1);
 416         }
 417
 418       /* Check to see if this a 4.4BSD-style header.  */
 419       if (gmon_io_read_32 (ifp, &version))
 420         goto bad_gmon_file;
 421
 422       if (version == GMONVERSION)
 423         {
 424           unsigned int profrate;
 425
 426           /* 4.4BSD format header.  */
 427           if (gmon_io_read_32 (ifp, &profrate))
 428             goto bad_gmon_file;
 429
 430           if (!s_highpc)
 431             hz = profrate;
 432           else if (hz != (int) profrate)
 433             {
 434               fprintf (stderr,
 435                        _("%s: profiling rate incompatible with first gmon file\n"),
 436                        filename);
 437               done (1);
 438             }
 439
 440           switch (gmon_get_ptr_size ())
 441             {
 442             case ptr_32bit:
 443               header_size = GMON_HDRSIZE_BSD44_32;
 444               break;
 445
 446             case ptr_64bit:
 447               header_size = GMON_HDRSIZE_BSD44_64;
 448               break;
 449             }
 450         }
 451       else
 452         {
 453           /* Old style BSD format.  */
 454           if (file_format == FF_BSD44)
 455             {
 456               fprintf (stderr, _("%s: file `%s' has bad magic cookie\n"),
 457                        whoami, filename);
 458               done (1);
 459             }
 460
 461           switch (gmon_get_ptr_size ())
 462             {
 463             case ptr_32bit:
 464               header_size = GMON_HDRSIZE_OLDBSD_32;
 465               break;
 466
 467             case ptr_64bit:
 468               header_size = GMON_HDRSIZE_OLDBSD_64;
 469               break;
 470             }
 471         }
 472
 473       /* Position the file to after the header.  */
 474       if (fseek (ifp, header_size, SEEK_SET) < 0)
 475         {
 476           perror (filename);
 477           done (1);
 478         }
 479
 480       if (s_highpc && (tmp.low_pc != h.low_pc
 481                        || tmp.high_pc != h.high_pc || tmp.ncnt != h.ncnt))
 482         {
 483           fprintf (stderr, _("%s: incompatible with first gmon file\n"),
 484                    filename);
 485           done (1);
 486         }
 487
 488       h = tmp;
 489       s_lowpc = (bfd_vma) h.low_pc;
 490       s_highpc = (bfd_vma) h.high_pc;
 491       lowpc = (bfd_vma) h.low_pc / sizeof (UNIT);
 492       highpc = (bfd_vma) h.high_pc / sizeof (UNIT);
 493       samp_bytes = h.ncnt - header_size;
 494       hist_num_bins = samp_bytes / sizeof (UNIT);
 495
 496       DBG (SAMPLEDEBUG,
 497            printf ("[gmon_out_read] lowpc 0x%lx highpc 0x%lx ncnt %d\n",
 498                    (unsigned long) h.low_pc, (unsigned long) h.high_pc,
 499                    h.ncnt);
 500            printf ("[gmon_out_read]   s_lowpc 0x%lx   s_highpc 0x%lx\n",
 501                    (unsigned long) s_lowpc, (unsigned long) s_highpc);
 502            printf ("[gmon_out_read]     lowpc 0x%lx     highpc 0x%lx\n",
 503                    (unsigned long) lowpc, (unsigned long) highpc);
 504            printf ("[gmon_out_read] samp_bytes %d hist_num_bins %d\n",
 505                    samp_bytes, hist_num_bins));
 506
 507       /* Make sure that we have sensible values.  */
 508       if (samp_bytes < 0 || lowpc > highpc)
 509         {
 510           fprintf (stderr,
 511             _("%s: file '%s' does not appear to be in gmon.out format\n"),
 512             whoami, filename);
 513           done (1);
 514         }
 515
 516       if (hist_num_bins)
 517         ++nhist;
 518
 519       if (!hist_sample)
 520         {
 521           hist_sample =
 522             (int *) xmalloc (hist_num_bins * sizeof (hist_sample[0]));
 523
 524           memset (hist_sample, 0, hist_num_bins * sizeof (hist_sample[0]));
 525         }
 526
 527       for (i = 0; i < hist_num_bins; ++i)
 528         {
 529           if (fread (raw_bin_count, sizeof (raw_bin_count), 1, ifp) != 1)
 530             {
 531               fprintf (stderr,
 532                        _("%s: unexpected EOF after reading %d/%d bins\n"),
 533                        whoami, --i, hist_num_bins);
 534               done (1);
 535             }
 536
 537           hist_sample[i] += bfd_get_16 (core_bfd, (bfd_byte *) raw_bin_count);
 538         }
 539
 540       /* The rest of the file consists of a bunch of
 541          <from,self,count> tuples.  */
 542       while (gmon_read_raw_arc (ifp, &from_pc, &self_pc, &count) == 0)
 543         {
 544           ++narcs;
 545
 546           DBG (SAMPLEDEBUG,
 547              printf ("[gmon_out_read] frompc 0x%lx selfpc 0x%lx count %lu\n",
 548                      (unsigned long) from_pc, (unsigned long) self_pc, count));
 549
 550           /* Add this arc.  */
 551           cg_tally (from_pc, self_pc, count);
 552         }
 553
 554       fclose (ifp);
 555
 556       if (hz == HZ_WRONG)
 557         {
 558           /* How many ticks per second?  If we can't tell, report
 559              time in ticks.  */
 560           hz = hertz ();
 561
 562           if (hz == HZ_WRONG)
 563             {
 564               hz = 1;
 565               fprintf (stderr, _("time is in ticks, not seconds\n"));
 566             }
 567         }
 568     }
 569   else
 570     {
 571       fprintf (stderr, _("%s: don't know how to deal with file format %d\n"),
 572                whoami, file_format);
 573       done (1);
 574     }
 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, s_lowpc)
 685           || gmon_io_write_vma (ofp, s_highpc)
 686           || gmon_io_write_32 (ofp, hist_num_bins * sizeof (UNIT) + hdrsize))
 687         {
 688           perror (filename);
 689           done (1);
 690         }
 691
 692       /* Write out the 4.4BSD header bits, if that's what we're using.  */
 693       if (file_format == FF_BSD44
 694           || hz != hertz())
 695         {
 696           if (gmon_io_write_32 (ofp, GMONVERSION)
 697               || gmon_io_write_32 (ofp, (unsigned int) hz))
 698             {
 699               perror (filename);
 700               done (1);
 701             }
 702         }
 703
 704       /* Now write out any necessary padding after the meaningful
 705          header bits.  */
 706       if (padsize != 0
 707           && fwrite (pad, 1, padsize, ofp) != padsize)
 708         {
 709           perror (filename);
 710           done (1);
 711         }
 712
 713       /* Dump the samples.  */
 714       for (i = 0; i < hist_num_bins; ++i)
 715         {
 716           bfd_put_16 (core_bfd, (bfd_vma) hist_sample[i],
 717                       (bfd_byte *) &raw_bin_count[0]);
 718           if (fwrite (&raw_bin_count[0], sizeof (raw_bin_count), 1, ofp) != 1)
 719             {
 720               perror (filename);
 721               done (1);
 722             }
 723         }
 724
 725       /* Dump the normalized raw arc information.  */
 726       for (sym = symtab.base; sym < symtab.limit; ++sym)
 727         {
 728           for (arc = sym->cg.children; arc; arc = arc->next_child)
 729             {
 730               if (gmon_write_raw_arc (ofp, arc->parent->addr,
 731                                       arc->child->addr, arc->count))
 732                 {
 733                   perror (filename);
 734                   done (1);
 735                 }
 736               DBG (SAMPLEDEBUG,
 737                    printf ("[dumpsum] frompc 0x%lx selfpc 0x%lx count %lu\n",
 738                            (unsigned long) arc->parent->addr,
 739                            (unsigned long) arc->child->addr, arc->count));
 740             }
 741         }
 742
 743       fclose (ofp);
 744     }
 745   else
 746     {
 747       fprintf (stderr, _("%s: don't know how to deal with file format %d\n"),
 748                whoami, file_format);
 749       done (1);
 750     }
 751 }