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/* gmon_io.c - Input and output from/to gmon.out files.
 
   Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
   Free Software Foundation, Inc.
 
   This file is part of GNU Binutils.
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
   02110-1301, USA.  */
 
#include "gprof.h"
#include "search_list.h"
#include "source.h"
#include "symtab.h"
#include "cg_arcs.h"
#include "basic_blocks.h"
#include "corefile.h"
#include "call_graph.h"
#include "gmon_io.h"
#include "gmon_out.h"
#include "gmon.h"               /* Fetch header for old format.  */
#include "hertz.h"
#include "hist.h"
#include "libiberty.h"
 
enum gmon_ptr_size {
  ptr_32bit,
  ptr_64bit
};
 
enum gmon_ptr_signedness {
  ptr_signed,
  ptr_unsigned
};
 
static enum gmon_ptr_size gmon_get_ptr_size (void);
static enum gmon_ptr_signedness gmon_get_ptr_signedness (void);
 
#ifdef BFD_HOST_U_64_BIT
static int gmon_io_read_64 (FILE *, BFD_HOST_U_64_BIT *);
static int gmon_io_write_64 (FILE *, BFD_HOST_U_64_BIT);
#endif
static int gmon_read_raw_arc
  (FILE *, bfd_vma *, bfd_vma *, unsigned long *);
static int gmon_write_raw_arc
  (FILE *, bfd_vma, bfd_vma, unsigned long);
 
int gmon_input = 0;
int gmon_file_version = 0;       /* 0 == old (non-versioned) file format.  */
 
static enum gmon_ptr_size
gmon_get_ptr_size ()
{
  int size;
 
  /* Pick best size for pointers.  Start with the ELF size, and if not
     elf go with the architecture's address size.  */
  size = bfd_get_arch_size (core_bfd);
  if (size == -1)
    size = bfd_arch_bits_per_address (core_bfd);
 
  switch (size)
    {
    case 32:
      return ptr_32bit;
 
    case 64:
      return ptr_64bit;
 
    default:
      fprintf (stderr, _("%s: address size has unexpected value of %u\n"),
               whoami, size);
      done (1);
    }
}
 
static enum gmon_ptr_signedness
gmon_get_ptr_signedness ()
{
  int sext;
 
  /* Figure out whether to sign extend.  If BFD doesn't know, assume no.  */
  sext = bfd_get_sign_extend_vma (core_bfd);
  if (sext == -1)
    return ptr_unsigned;
  return (sext ? ptr_signed : ptr_unsigned);
}
 
int
gmon_io_read_32 (FILE *ifp, unsigned int *valp)
{
  char buf[4];
 
  if (fread (buf, 1, 4, ifp) != 4)
    return 1;
  *valp = bfd_get_32 (core_bfd, buf);
  return 0;
}
 
#ifdef BFD_HOST_U_64_BIT
static int
gmon_io_read_64 (FILE *ifp, BFD_HOST_U_64_BIT *valp)
{
  char buf[8];
 
  if (fread (buf, 1, 8, ifp) != 8)
    return 1;
  *valp = bfd_get_64 (core_bfd, buf);
  return 0;
}
#endif
 
int
gmon_io_read_vma (FILE *ifp, bfd_vma *valp)
{
  unsigned int val32;
#ifdef BFD_HOST_U_64_BIT
  BFD_HOST_U_64_BIT val64;
#endif
 
  switch (gmon_get_ptr_size ())
    {
    case ptr_32bit:
      if (gmon_io_read_32 (ifp, &val32))
        return 1;
      if (gmon_get_ptr_signedness () == ptr_signed)
        *valp = (int) val32;
      else
        *valp = val32;
      break;
 
#ifdef BFD_HOST_U_64_BIT
    case ptr_64bit:
      if (gmon_io_read_64 (ifp, &val64))
        return 1;
#ifdef BFD_HOST_64_BIT
      if (gmon_get_ptr_signedness () == ptr_signed)
        *valp = (BFD_HOST_64_BIT) val64;
      else
#endif
        *valp = val64;
      break;
#endif
    }
  return 0;
}
 
int
gmon_io_read (FILE *ifp, char *buf, size_t n)
{
  if (fread (buf, 1, n, ifp) != n)
    return 1;
  return 0;
}
 
int
gmon_io_write_32 (FILE *ofp, unsigned int val)
{
  char buf[4];
 
  bfd_put_32 (core_bfd, (bfd_vma) val, buf);
  if (fwrite (buf, 1, 4, ofp) != 4)
    return 1;
  return 0;
}
 
#ifdef BFD_HOST_U_64_BIT
static int
gmon_io_write_64 (FILE *ofp, BFD_HOST_U_64_BIT val)
{
  char buf[8];
 
  bfd_put_64 (core_bfd, (bfd_vma) val, buf);
  if (fwrite (buf, 1, 8, ofp) != 8)
    return 1;
  return 0;
}
#endif
 
int
gmon_io_write_vma (FILE *ofp, bfd_vma val)
{
 
  switch (gmon_get_ptr_size ())
    {
    case ptr_32bit:
      if (gmon_io_write_32 (ofp, (unsigned int) val))
        return 1;
      break;
 
#ifdef BFD_HOST_U_64_BIT
    case ptr_64bit:
      if (gmon_io_write_64 (ofp, (BFD_HOST_U_64_BIT) val))
        return 1;
      break;
#endif
    }
  return 0;
}
 
int
gmon_io_write_8 (FILE *ofp, unsigned int val)
{
  char buf[1];
 
  bfd_put_8 (core_bfd, val, buf);
  if (fwrite (buf, 1, 1, ofp) != 1)
    return 1;
  return 0;
}
 
int
gmon_io_write (FILE *ofp, char *buf, size_t n)
{
  if (fwrite (buf, 1, n, ofp) != n)
    return 1;
  return 0;
}
 
static int
gmon_read_raw_arc (FILE *ifp, bfd_vma *fpc, bfd_vma *spc, unsigned long *cnt)
{
#ifdef BFD_HOST_U_64_BIT
  BFD_HOST_U_64_BIT cnt64;
#endif
  unsigned int cnt32;
 
  if (gmon_io_read_vma (ifp, fpc)
      || gmon_io_read_vma (ifp, spc))
    return 1;
 
  switch (gmon_get_ptr_size ())
    {
    case ptr_32bit:
      if (gmon_io_read_32 (ifp, &cnt32))
        return 1;
      *cnt = cnt32;
      break;
 
#ifdef BFD_HOST_U_64_BIT
    case ptr_64bit:
      if (gmon_io_read_64 (ifp, &cnt64))
        return 1;
      *cnt = cnt64;
      break;
#endif
 
    default:
      return 1;
    }
  return 0;
}
 
static int
gmon_write_raw_arc (FILE *ofp, bfd_vma fpc, bfd_vma spc, unsigned long cnt)
{
 
  if (gmon_io_write_vma (ofp, fpc)
      || gmon_io_write_vma (ofp, spc))
    return 1;
 
  switch (gmon_get_ptr_size ())
    {
    case ptr_32bit:
      if (gmon_io_write_32 (ofp, (unsigned int) cnt))
        return 1;
      break;
 
#ifdef BFD_HOST_U_64_BIT
    case ptr_64bit:
      if (gmon_io_write_64 (ofp, (BFD_HOST_U_64_BIT) cnt))
        return 1;
      break;
#endif
    }
  return 0;
}
 
void
gmon_out_read (const char *filename)
{
  FILE *ifp;
  struct gmon_hdr ghdr;
  unsigned char tag;
  int nhist = 0, narcs = 0, nbbs = 0;
 
  /* Open gmon.out file.  */
  if (strcmp (filename, "-") == 0)
    {
      ifp = stdin;
#ifdef SET_BINARY
      SET_BINARY (fileno (stdin));
#endif
    }
  else
    {
      ifp = fopen (filename, FOPEN_RB);
 
      if (!ifp)
        {
          perror (filename);
          done (1);
        }
    }
 
  if (fread (&ghdr, sizeof (struct gmon_hdr), 1, ifp) != 1)
    {
      fprintf (stderr, _("%s: file too short to be a gmon file\n"),
               filename);
      done (1);
    }
 
  if ((file_format == FF_MAGIC)
      || (file_format == FF_AUTO && !strncmp (&ghdr.cookie[0], GMON_MAGIC, 4)))
    {
      if (file_format == FF_MAGIC && strncmp (&ghdr.cookie[0], GMON_MAGIC, 4))
        {
          fprintf (stderr, _("%s: file `%s' has bad magic cookie\n"),
                   whoami, filename);
          done (1);
        }
 
      /* Right magic, so it's probably really a new gmon.out file.  */
      gmon_file_version = bfd_get_32 (core_bfd, (bfd_byte *) ghdr.version);
 
      if (gmon_file_version != GMON_VERSION && gmon_file_version != 0)
        {
          fprintf (stderr,
                   _("%s: file `%s' has unsupported version %d\n"),
                   whoami, filename, gmon_file_version);
          done (1);
        }
 
      /* Read in all the records.  */
      while (fread (&tag, sizeof (tag), 1, ifp) == 1)
        {
          switch (tag)
            {
            case GMON_TAG_TIME_HIST:
              ++nhist;
              gmon_input |= INPUT_HISTOGRAM;
              hist_read_rec (ifp, filename);
              break;
 
            case GMON_TAG_CG_ARC:
              ++narcs;
              gmon_input |= INPUT_CALL_GRAPH;
              cg_read_rec (ifp, filename);
              break;
 
            case GMON_TAG_BB_COUNT:
              ++nbbs;
              gmon_input |= INPUT_BB_COUNTS;
              bb_read_rec (ifp, filename);
              break;
 
            default:
              fprintf (stderr,
                       _("%s: %s: found bad tag %d (file corrupted?)\n"),
                       whoami, filename, tag);
              done (1);
            }
        }
    }
  else if (file_format == FF_AUTO
           || file_format == FF_BSD
           || file_format == FF_BSD44)
    {
      struct hdr
      {
        bfd_vma low_pc;
        bfd_vma high_pc;
        unsigned int ncnt;
      };
      unsigned int i;
      int samp_bytes, header_size = 0;
      unsigned long count;
      bfd_vma from_pc, self_pc;
      UNIT raw_bin_count;
      struct hdr tmp;
      unsigned int version;
      unsigned int hist_num_bins;
 
      /* Information from a gmon.out file is in two parts: an array of
         sampling hits within pc ranges, and the arcs.  */
      gmon_input = INPUT_HISTOGRAM | INPUT_CALL_GRAPH;
 
      /* This fseek() ought to work even on stdin as long as it's
         not an interactive device (heck, is there anybody who would
         want to type in a gmon.out at the terminal?).  */
      if (fseek (ifp, 0, SEEK_SET) < 0)
        {
          perror (filename);
          done (1);
        }
 
      /* The beginning of the old BSD header and the 4.4BSD header
         are the same: lowpc, highpc, ncnt  */
      if (gmon_io_read_vma (ifp, &tmp.low_pc)
          || gmon_io_read_vma (ifp, &tmp.high_pc)
          || gmon_io_read_32 (ifp, &tmp.ncnt))
        {
 bad_gmon_file:
          fprintf (stderr, _("%s: file too short to be a gmon file\n"),
                   filename);
          done (1);
        }
 
      /* Check to see if this a 4.4BSD-style header.  */
      if (gmon_io_read_32 (ifp, &version))
        goto bad_gmon_file;
 
      if (version == GMONVERSION)
        {
          unsigned int profrate;
 
          /* 4.4BSD format header.  */
          if (gmon_io_read_32 (ifp, &profrate))
            goto bad_gmon_file;
 
          if (!histograms)
            hz = profrate;
          else if (hz != (int) profrate)
            {
              fprintf (stderr,
                       _("%s: profiling rate incompatible with first gmon file\n"),
                       filename);
              done (1);
            }
 
          switch (gmon_get_ptr_size ())
            {
            case ptr_32bit:
              header_size = GMON_HDRSIZE_BSD44_32;
              break;
 
            case ptr_64bit:
              header_size = GMON_HDRSIZE_BSD44_64;
              break;
            }
        }
      else
        {
          /* Old style BSD format.  */
          if (file_format == FF_BSD44)
            {
              fprintf (stderr, _("%s: file `%s' has bad magic cookie\n"),
                       whoami, filename);
              done (1);
            }
 
          switch (gmon_get_ptr_size ())
            {
            case ptr_32bit:
              header_size = GMON_HDRSIZE_OLDBSD_32;
              break;
 
            case ptr_64bit:
              header_size = GMON_HDRSIZE_OLDBSD_64;
              break;
            }
        }
 
      /* Position the file to after the header.  */
      if (fseek (ifp, header_size, SEEK_SET) < 0)
        {
          perror (filename);
          done (1);
        }
 
      samp_bytes = tmp.ncnt - header_size;
      hist_num_bins = samp_bytes / sizeof (UNIT);
      if (histograms && (tmp.low_pc != histograms->lowpc
                         || tmp.high_pc != histograms->highpc
                         || (hist_num_bins != histograms->num_bins)))
        {
          fprintf (stderr, _("%s: incompatible with first gmon file\n"),
                   filename);
          done (1);
        }
 
      if (!histograms)
        {
          histograms = xmalloc (sizeof (struct histogram));
          histograms->lowpc = tmp.low_pc;
          histograms->highpc = tmp.high_pc;
          histograms->num_bins = hist_num_bins;
          histograms->sample = xmalloc (hist_num_bins * sizeof (int));
          memset (histograms->sample, 0,
                  hist_num_bins * sizeof (int));
        }
 
      DBG (SAMPLEDEBUG,
           printf ("[gmon_out_read] lowpc 0x%lx highpc 0x%lx ncnt %d\n",
                   (unsigned long) tmp.low_pc, (unsigned long) tmp.high_pc,
                   tmp.ncnt);
           printf ("[gmon_out_read] samp_bytes %d hist_num_bins %d\n",
                   samp_bytes, hist_num_bins));
 
      /* Make sure that we have sensible values.  */
      if (samp_bytes < 0 || histograms->lowpc > histograms->highpc)
        {
          fprintf (stderr,
            _("%s: file '%s' does not appear to be in gmon.out format\n"),
            whoami, filename);
          done (1);
        }
 
      if (hist_num_bins)
        ++nhist;
 
      for (i = 0; i < hist_num_bins; ++i)
        {
          if (fread (raw_bin_count, sizeof (raw_bin_count), 1, ifp) != 1)
            {
              fprintf (stderr,
                       _("%s: unexpected EOF after reading %d/%d bins\n"),
                       whoami, --i, hist_num_bins);
              done (1);
            }
 
          histograms->sample[i]
            += bfd_get_16 (core_bfd, (bfd_byte *) raw_bin_count);
        }
 
      /* The rest of the file consists of a bunch of
         <from,self,count> tuples.  */
      while (gmon_read_raw_arc (ifp, &from_pc, &self_pc, &count) == 0)
        {
          ++narcs;
 
          DBG (SAMPLEDEBUG,
             printf ("[gmon_out_read] frompc 0x%lx selfpc 0x%lx count %lu\n",
                     (unsigned long) from_pc, (unsigned long) self_pc, count));
 
          /* Add this arc.  */
          cg_tally (from_pc, self_pc, count);
        }
 
      fclose (ifp);
 
      if (hz == HZ_WRONG)
        {
          /* How many ticks per second?  If we can't tell, report
             time in ticks.  */
          hz = hertz ();
 
          if (hz == HZ_WRONG)
            {
              hz = 1;
              fprintf (stderr, _("time is in ticks, not seconds\n"));
            }
        }
    }
  else
    {
      fprintf (stderr, _("%s: don't know how to deal with file format %d\n"),
               whoami, file_format);
      done (1);
    }
 
  if (output_style & STYLE_GMON_INFO)
    {
      printf (_("File `%s' (version %d) contains:\n"),
              filename, gmon_file_version);
      printf (nhist == 1 ?
              _("\t%d histogram record\n") :
              _("\t%d histogram records\n"), nhist);
      printf (narcs == 1 ?
              _("\t%d call-graph record\n") :
              _("\t%d call-graph records\n"), narcs);
      printf (nbbs == 1 ?
              _("\t%d basic-block count record\n") :
              _("\t%d basic-block count records\n"), nbbs);
      first_output = FALSE;
    }
}
 
 
void
gmon_out_write (const char *filename)
{
  FILE *ofp;
  struct gmon_hdr ghdr;
 
  ofp = fopen (filename, FOPEN_WB);
  if (!ofp)
    {
      perror (filename);
      done (1);
    }
 
  if (file_format == FF_AUTO || file_format == FF_MAGIC)
    {
      /* Write gmon header.  */
 
      memcpy (&ghdr.cookie[0], GMON_MAGIC, 4);
      bfd_put_32 (core_bfd, (bfd_vma) GMON_VERSION, (bfd_byte *) ghdr.version);
 
      if (fwrite (&ghdr, sizeof (ghdr), 1, ofp) != 1)
        {
          perror (filename);
          done (1);
        }
 
      /* Write execution time histogram if we have one.  */
      if (gmon_input & INPUT_HISTOGRAM)
        hist_write_hist (ofp, filename);
 
      /* Write call graph arcs if we have any.  */
      if (gmon_input & INPUT_CALL_GRAPH)
        cg_write_arcs (ofp, filename);
 
      /* Write basic-block info if we have it.  */
      if (gmon_input & INPUT_BB_COUNTS)
        bb_write_blocks (ofp, filename);
    }
  else if (file_format == FF_BSD || file_format == FF_BSD44)
    {
      UNIT raw_bin_count;
      unsigned int i, hdrsize;
      unsigned padsize;
      char pad[3*4];
      Arc *arc;
      Sym *sym;
 
      memset (pad, 0, sizeof (pad));
 
      hdrsize = 0;
      /* Decide how large the header will be.  Use the 4.4BSD format
         header if explicitly specified, or if the profiling rate is
         non-standard.  Otherwise, use the old BSD format.  */
      if (file_format == FF_BSD44
          || hz != hertz())
        {
          padsize = 3*4;
          switch (gmon_get_ptr_size ())
            {
            case ptr_32bit:
              hdrsize = GMON_HDRSIZE_BSD44_32;
              break;
 
            case ptr_64bit:
              hdrsize = GMON_HDRSIZE_BSD44_64;
              break;
            }
        }
      else
        {
          padsize = 0;
          switch (gmon_get_ptr_size ())
            {
            case ptr_32bit:
              hdrsize = GMON_HDRSIZE_OLDBSD_32;
              break;
 
            case ptr_64bit:
              hdrsize = GMON_HDRSIZE_OLDBSD_64;
              /* FIXME: Checking host compiler defines here means that we can't
                 use a cross gprof alpha OSF.  */
#if defined(__alpha__) && defined (__osf__)
              padsize = 4;
#endif
              break;
            }
        }
 
      /* Write the parts of the headers that are common to both the
         old BSD and 4.4BSD formats.  */
      if (gmon_io_write_vma (ofp, histograms->lowpc)
          || gmon_io_write_vma (ofp, histograms->highpc)
          || gmon_io_write_32 (ofp, histograms->num_bins
                               * sizeof (UNIT) + hdrsize))
        {
          perror (filename);
          done (1);
        }
 
      /* Write out the 4.4BSD header bits, if that's what we're using.  */
      if (file_format == FF_BSD44
          || hz != hertz())
        {
          if (gmon_io_write_32 (ofp, GMONVERSION)
              || gmon_io_write_32 (ofp, (unsigned int) hz))
            {
              perror (filename);
              done (1);
            }
        }
 
      /* Now write out any necessary padding after the meaningful
         header bits.  */
      if (padsize != 0
          && fwrite (pad, 1, padsize, ofp) != padsize)
        {
          perror (filename);
          done (1);
        }
 
      /* Dump the samples.  */
      for (i = 0; i < histograms->num_bins; ++i)
        {
          bfd_put_16 (core_bfd, (bfd_vma) histograms->sample[i],
                      (bfd_byte *) &raw_bin_count[0]);
          if (fwrite (&raw_bin_count[0], sizeof (raw_bin_count), 1, ofp) != 1)
            {
              perror (filename);
              done (1);
            }
        }
 
      /* Dump the normalized raw arc information.  */
      for (sym = symtab.base; sym < symtab.limit; ++sym)
        {
          for (arc = sym->cg.children; arc; arc = arc->next_child)
            {
              if (gmon_write_raw_arc (ofp, arc->parent->addr,
                                      arc->child->addr, arc->count))
                {
                  perror (filename);
                  done (1);
                }
              DBG (SAMPLEDEBUG,
                   printf ("[dumpsum] frompc 0x%lx selfpc 0x%lx count %lu\n",
                           (unsigned long) arc->parent->addr,
                           (unsigned long) arc->child->addr, arc->count));
            }
        }
 
      fclose (ofp);
    }
  else
    {
      fprintf (stderr, _("%s: don't know how to deal with file format %d\n"),
               whoami, file_format);
      done (1);
    }
}

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[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.18.50/] [gprof/] [gmon_io.c] - Blame information for rev 455

Line No.	Rev	Author	Line
1	38	julius	`/* gmon_io.c - Input and output from/to gmon.out files.`
2
3			`Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007`
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 3 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., 51 Franklin Street - Fifth Floor, Boston, MA`
21			`02110-1301, USA. */`
22
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			`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			`#ifdef SET_BINARY`
304			`SET_BINARY (fileno (stdin));`
305			`#endif`
306			`}`
307			`else`
308			`{`
309			`ifp = fopen (filename, FOPEN_RB);`
310
311			`if (!ifp)`
312			`{`
313			`perror (filename);`
314			`done (1);`
315			`}`
316			`}`
317
318			`if (fread (&ghdr, sizeof (struct gmon_hdr), 1, ifp) != 1)`
319			`{`
320			`fprintf (stderr, _("%s: file too short to be a gmon file\n"),`
321			`filename);`
322			`done (1);`
323			`}`
324
325			`if ((file_format == FF_MAGIC)`
326			`\|\| (file_format == FF_AUTO && !strncmp (&ghdr.cookie[0], GMON_MAGIC, 4)))`
327			`{`
328			`if (file_format == FF_MAGIC && strncmp (&ghdr.cookie[0], GMON_MAGIC, 4))`
329			`{`
330			fprintf (stderr, _("%s: file `%s' has bad magic cookie\n"),
331			`whoami, filename);`
332			`done (1);`
333			`}`
334
335			`/* Right magic, so it's probably really a new gmon.out file. */`
336			`gmon_file_version = bfd_get_32 (core_bfd, (bfd_byte *) ghdr.version);`
337
338			`if (gmon_file_version != GMON_VERSION && gmon_file_version != 0)`
339			`{`
340			`fprintf (stderr,`
341			_("%s: file `%s' has unsupported version %d\n"),
342			`whoami, filename, gmon_file_version);`
343			`done (1);`
344			`}`
345
346			`/* Read in all the records. */`
347			`while (fread (&tag, sizeof (tag), 1, ifp) == 1)`
348			`{`
349			`switch (tag)`
350			`{`
351			`case GMON_TAG_TIME_HIST:`
352			`++nhist;`
353			`gmon_input \|= INPUT_HISTOGRAM;`
354			`hist_read_rec (ifp, filename);`
355			`break;`
356
357			`case GMON_TAG_CG_ARC:`
358			`++narcs;`
359			`gmon_input \|= INPUT_CALL_GRAPH;`
360			`cg_read_rec (ifp, filename);`
361			`break;`
362
363			`case GMON_TAG_BB_COUNT:`
364			`++nbbs;`
365			`gmon_input \|= INPUT_BB_COUNTS;`
366			`bb_read_rec (ifp, filename);`
367			`break;`
368
369			`default:`
370			`fprintf (stderr,`
371			`_("%s: %s: found bad tag %d (file corrupted?)\n"),`
372			`whoami, filename, tag);`
373			`done (1);`
374			`}`
375			`}`
376			`}`
377			`else if (file_format == FF_AUTO`
378			`\|\| file_format == FF_BSD`
379			`\|\| file_format == FF_BSD44)`
380			`{`
381			`struct hdr`
382			`{`
383			`bfd_vma low_pc;`
384			`bfd_vma high_pc;`
385			`unsigned int ncnt;`
386			`};`
387			`unsigned int i;`
388			`int samp_bytes, header_size = 0;`
389			`unsigned long count;`
390			`bfd_vma from_pc, self_pc;`
391			`UNIT raw_bin_count;`
392			`struct hdr tmp;`
393			`unsigned int version;`
394			`unsigned int hist_num_bins;`
395
396			`/* Information from a gmon.out file is in two parts: an array of`
397			`sampling hits within pc ranges, and the arcs. */`
398			`gmon_input = INPUT_HISTOGRAM \| INPUT_CALL_GRAPH;`
399
400			`/* This fseek() ought to work even on stdin as long as it's`
401			`not an interactive device (heck, is there anybody who would`
402			`want to type in a gmon.out at the terminal?). */`
403			`if (fseek (ifp, 0, SEEK_SET) < 0)`
404			`{`
405			`perror (filename);`
406			`done (1);`
407			`}`
408
409			`/* The beginning of the old BSD header and the 4.4BSD header`
410			`are the same: lowpc, highpc, ncnt */`
411			`if (gmon_io_read_vma (ifp, &tmp.low_pc)`
412			`\|\| gmon_io_read_vma (ifp, &tmp.high_pc)`
413			`\|\| gmon_io_read_32 (ifp, &tmp.ncnt))`
414			`{`
415			`bad_gmon_file:`
416			`fprintf (stderr, _("%s: file too short to be a gmon file\n"),`
417			`filename);`
418			`done (1);`
419			`}`
420
421			`/* Check to see if this a 4.4BSD-style header. */`
422			`if (gmon_io_read_32 (ifp, &version))`
423			`goto bad_gmon_file;`
424
425			`if (version == GMONVERSION)`
426			`{`
427			`unsigned int profrate;`
428
429			`/* 4.4BSD format header. */`
430			`if (gmon_io_read_32 (ifp, &profrate))`
431			`goto bad_gmon_file;`
432
433			`if (!histograms)`
434			`hz = profrate;`
435			`else if (hz != (int) profrate)`
436			`{`
437			`fprintf (stderr,`
438			`_("%s: profiling rate incompatible with first gmon file\n"),`
439			`filename);`
440			`done (1);`
441			`}`
442
443			`switch (gmon_get_ptr_size ())`
444			`{`
445			`case ptr_32bit:`
446			`header_size = GMON_HDRSIZE_BSD44_32;`
447			`break;`
448
449			`case ptr_64bit:`
450			`header_size = GMON_HDRSIZE_BSD44_64;`
451			`break;`
452			`}`
453			`}`
454			`else`
455			`{`
456			`/* Old style BSD format. */`
457			`if (file_format == FF_BSD44)`
458			`{`
459			fprintf (stderr, _("%s: file `%s' has bad magic cookie\n"),
460			`whoami, filename);`
461			`done (1);`
462			`}`
463
464			`switch (gmon_get_ptr_size ())`
465			`{`
466			`case ptr_32bit:`
467			`header_size = GMON_HDRSIZE_OLDBSD_32;`
468			`break;`
469
470			`case ptr_64bit:`
471			`header_size = GMON_HDRSIZE_OLDBSD_64;`
472			`break;`
473			`}`
474			`}`
475
476			`/* Position the file to after the header. */`
477			`if (fseek (ifp, header_size, SEEK_SET) < 0)`
478			`{`
479			`perror (filename);`
480			`done (1);`
481			`}`
482
483			`samp_bytes = tmp.ncnt - header_size;`
484			`hist_num_bins = samp_bytes / sizeof (UNIT);`
485			`if (histograms && (tmp.low_pc != histograms->lowpc`
486			`\|\| tmp.high_pc != histograms->highpc`
487			`\|\| (hist_num_bins != histograms->num_bins)))`
488			`{`
489			`fprintf (stderr, _("%s: incompatible with first gmon file\n"),`
490			`filename);`
491			`done (1);`
492			`}`
493
494			`if (!histograms)`
495			`{`
496			`histograms = xmalloc (sizeof (struct histogram));`
497			`histograms->lowpc = tmp.low_pc;`
498			`histograms->highpc = tmp.high_pc;`
499			`histograms->num_bins = hist_num_bins;`
500			`histograms->sample = xmalloc (hist_num_bins * sizeof (int));`
501			`memset (histograms->sample, 0,`
502			`hist_num_bins * sizeof (int));`
503			`}`
504
505			`DBG (SAMPLEDEBUG,`
506			`printf ("[gmon_out_read] lowpc 0x%lx highpc 0x%lx ncnt %d\n",`
507			`(unsigned long) tmp.low_pc, (unsigned long) tmp.high_pc,`
508			`tmp.ncnt);`
509			`printf ("[gmon_out_read] samp_bytes %d hist_num_bins %d\n",`
510			`samp_bytes, hist_num_bins));`
511
512			`/* Make sure that we have sensible values. */`
513			`if (samp_bytes < 0 \|\| histograms->lowpc > histograms->highpc)`
514			`{`
515			`fprintf (stderr,`
516			`_("%s: file '%s' does not appear to be in gmon.out format\n"),`
517			`whoami, filename);`
518			`done (1);`
519			`}`
520
521			`if (hist_num_bins)`
522			`++nhist;`
523
524			`for (i = 0; i < hist_num_bins; ++i)`
525			`{`
526			`if (fread (raw_bin_count, sizeof (raw_bin_count), 1, ifp) != 1)`
527			`{`
528			`fprintf (stderr,`
529			`_("%s: unexpected EOF after reading %d/%d bins\n"),`
530			`whoami, --i, hist_num_bins);`
531			`done (1);`
532			`}`
533
534			`histograms->sample[i]`
535			`+= bfd_get_16 (core_bfd, (bfd_byte *) raw_bin_count);`
536			`}`
537
538			`/* The rest of the file consists of a bunch of`
539			`<from,self,count> tuples. */`
540			`while (gmon_read_raw_arc (ifp, &from_pc, &self_pc, &count) == 0)`
541			`{`
542			`++narcs;`
543
544			`DBG (SAMPLEDEBUG,`
545			`printf ("[gmon_out_read] frompc 0x%lx selfpc 0x%lx count %lu\n",`
546			`(unsigned long) from_pc, (unsigned long) self_pc, count));`
547
548			`/* Add this arc. */`
549			`cg_tally (from_pc, self_pc, count);`
550			`}`
551
552			`fclose (ifp);`
553
554			`if (hz == HZ_WRONG)`
555			`{`
556			`/* How many ticks per second? If we can't tell, report`
557			`time in ticks. */`
558			`hz = hertz ();`
559
560			`if (hz == HZ_WRONG)`
561			`{`
562			`hz = 1;`
563			`fprintf (stderr, _("time is in ticks, not seconds\n"));`
564			`}`
565			`}`
566			`}`
567			`else`
568			`{`
569			`fprintf (stderr, _("%s: don't know how to deal with file format %d\n"),`
570			`whoami, file_format);`
571			`done (1);`
572			`}`
573
574			`if (output_style & STYLE_GMON_INFO)`
575			`{`
576			printf (_("File `%s' (version %d) contains:\n"),
577			`filename, gmon_file_version);`
578			`printf (nhist == 1 ?`
579			`_("\t%d histogram record\n") :`
580			`_("\t%d histogram records\n"), nhist);`
581			`printf (narcs == 1 ?`
582			`_("\t%d call-graph record\n") :`
583			`_("\t%d call-graph records\n"), narcs);`
584			`printf (nbbs == 1 ?`
585			`_("\t%d basic-block count record\n") :`
586			`_("\t%d basic-block count records\n"), nbbs);`
587			`first_output = FALSE;`
588			`}`
589			`}`
590
591
592			`void`
593			`gmon_out_write (const char *filename)`
594			`{`
595			`FILE *ofp;`
596			`struct gmon_hdr ghdr;`
597
598			`ofp = fopen (filename, FOPEN_WB);`
599			`if (!ofp)`
600			`{`
601			`perror (filename);`
602			`done (1);`
603			`}`
604
605			`if (file_format == FF_AUTO \|\| file_format == FF_MAGIC)`
606			`{`
607			`/* Write gmon header. */`
608
609			`memcpy (&ghdr.cookie[0], GMON_MAGIC, 4);`
610			`bfd_put_32 (core_bfd, (bfd_vma) GMON_VERSION, (bfd_byte *) ghdr.version);`
611
612			`if (fwrite (&ghdr, sizeof (ghdr), 1, ofp) != 1)`
613			`{`
614			`perror (filename);`
615			`done (1);`
616			`}`
617
618			`/* Write execution time histogram if we have one. */`
619			`if (gmon_input & INPUT_HISTOGRAM)`
620			`hist_write_hist (ofp, filename);`
621
622			`/* Write call graph arcs if we have any. */`
623			`if (gmon_input & INPUT_CALL_GRAPH)`
624			`cg_write_arcs (ofp, filename);`
625
626			`/* Write basic-block info if we have it. */`
627			`if (gmon_input & INPUT_BB_COUNTS)`
628			`bb_write_blocks (ofp, filename);`
629			`}`
630			`else if (file_format == FF_BSD \|\| file_format == FF_BSD44)`
631			`{`
632			`UNIT raw_bin_count;`
633			`unsigned int i, hdrsize;`
634			`unsigned padsize;`
635			`char pad[3*4];`
636			`Arc *arc;`
637			`Sym *sym;`
638
639			`memset (pad, 0, sizeof (pad));`
640
641			`hdrsize = 0;`
642			`/* Decide how large the header will be. Use the 4.4BSD format`
643			`header if explicitly specified, or if the profiling rate is`
644			`non-standard. Otherwise, use the old BSD format. */`
645			`if (file_format == FF_BSD44`
646			`\|\| hz != hertz())`
647			`{`
648			`padsize = 3*4;`
649			`switch (gmon_get_ptr_size ())`
650			`{`
651			`case ptr_32bit:`
652			`hdrsize = GMON_HDRSIZE_BSD44_32;`
653			`break;`
654
655			`case ptr_64bit:`
656			`hdrsize = GMON_HDRSIZE_BSD44_64;`
657			`break;`
658			`}`
659			`}`
660			`else`
661			`{`
662			`padsize = 0;`
663			`switch (gmon_get_ptr_size ())`
664			`{`
665			`case ptr_32bit:`
666			`hdrsize = GMON_HDRSIZE_OLDBSD_32;`
667			`break;`
668
669			`case ptr_64bit:`
670			`hdrsize = GMON_HDRSIZE_OLDBSD_64;`
671			`/* FIXME: Checking host compiler defines here means that we can't`
672			`use a cross gprof alpha OSF. */`
673			`#if defined(__alpha__) && defined (__osf__)`
674			`padsize = 4;`
675			`#endif`
676			`break;`
677			`}`
678			`}`
679
680			`/* Write the parts of the headers that are common to both the`
681			`old BSD and 4.4BSD formats. */`
682			`if (gmon_io_write_vma (ofp, histograms->lowpc)`
683			`\|\| gmon_io_write_vma (ofp, histograms->highpc)`
684			`\|\| gmon_io_write_32 (ofp, histograms->num_bins`
685			`* sizeof (UNIT) + hdrsize))`
686			`{`
687			`perror (filename);`
688			`done (1);`
689			`}`
690
691			`/* Write out the 4.4BSD header bits, if that's what we're using. */`
692			`if (file_format == FF_BSD44`
693			`\|\| hz != hertz())`
694			`{`
695			`if (gmon_io_write_32 (ofp, GMONVERSION)`
696			`\|\| gmon_io_write_32 (ofp, (unsigned int) hz))`
697			`{`
698			`perror (filename);`
699			`done (1);`
700			`}`
701			`}`
702
703			`/* Now write out any necessary padding after the meaningful`
704			`header bits. */`
705			`if (padsize != 0`
706			`&& fwrite (pad, 1, padsize, ofp) != padsize)`
707			`{`
708			`perror (filename);`
709			`done (1);`
710			`}`
711
712			`/* Dump the samples. */`
713			`for (i = 0; i < histograms->num_bins; ++i)`
714			`{`
715			`bfd_put_16 (core_bfd, (bfd_vma) histograms->sample[i],`
716			`(bfd_byte *) &raw_bin_count[0]);`
717			`if (fwrite (&raw_bin_count[0], sizeof (raw_bin_count), 1, ofp) != 1)`
718			`{`
719			`perror (filename);`
720			`done (1);`
721			`}`
722			`}`
723
724			`/* Dump the normalized raw arc information. */`
725			`for (sym = symtab.base; sym < symtab.limit; ++sym)`
726			`{`
727			`for (arc = sym->cg.children; arc; arc = arc->next_child)`
728			`{`
729			`if (gmon_write_raw_arc (ofp, arc->parent->addr,`
730			`arc->child->addr, arc->count))`
731			`{`
732			`perror (filename);`
733			`done (1);`
734			`}`
735			`DBG (SAMPLEDEBUG,`
736			`printf ("[dumpsum] frompc 0x%lx selfpc 0x%lx count %lu\n",`
737			`(unsigned long) arc->parent->addr,`
738			`(unsigned long) arc->child->addr, arc->count));`
739			`}`
740			`}`
741
742			`fclose (ofp);`
743			`}`
744			`else`
745			`{`
746			`fprintf (stderr, _("%s: don't know how to deal with file format %d\n"),`
747			`whoami, file_format);`
748			`done (1);`
749			`}`
750			`}`