Makefile.in (LIBGCOV): Remove.

	gcc:
	* Makefile.in (LIBGCOV): Remove.
	(libgcc.mvars): Remove LIBGCOV.
	* libgov.c: Move to ../libgcc.

	libgcc:
	* Makfile.in (LIBGCOV): New variable.
	($(libgcov-objects)): Use $(srcdir) to refer to libgcov.c.
	* libgcov.c: New file.

From-SVN: r176037

1 files changed, 0 insertions, 1003 deletions

diff --git a/gcc/libgcov.c b/gcc/libgcov.c
deleted file mode 100644
index b39ef49..0000000
--- a/gcc/libgcov.c
+++ /dev/null
@@ -1,1003 +0,0 @@
-/* Routines required for instrumenting a program.  */
-/* Compile this one with gcc.  */
-/* Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009, 2010
-   Free Software Foundation, Inc.
-
-This file is part of GCC.
-
-GCC 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, or (at your option) any later
-version.
-
-GCC 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.
-
-Under Section 7 of GPL version 3, you are granted additional
-permissions described in the GCC Runtime Library Exception, version
-3.1, as published by the Free Software Foundation.
-
-You should have received a copy of the GNU General Public License and
-a copy of the GCC Runtime Library Exception along with this program;
-see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
-<http://www.gnu.org/licenses/>.  */
-
-#include "tconfig.h"
-#include "tsystem.h"
-#include "coretypes.h"
-#include "tm.h"
-
-#if defined(inhibit_libc)
-#define IN_LIBGCOV (-1)
-#else
-#undef NULL /* Avoid errors if stdio.h and our stddef.h mismatch.  */
-#include <stdio.h>
-#define IN_LIBGCOV 1
-#if defined(L_gcov)
-#define GCOV_LINKAGE /* nothing */
-#endif
-#endif
-#include "gcov-io.h"
-
-#if defined(inhibit_libc)
-/* If libc and its header files are not available, provide dummy functions.  */
-
-#ifdef L_gcov
-void __gcov_init (struct gcov_info *p __attribute__ ((unused))) {}
-void __gcov_flush (void) {}
-#endif
-
-#ifdef L_gcov_merge_add
-void __gcov_merge_add (gcov_type *counters  __attribute__ ((unused)),
-		       unsigned n_counters __attribute__ ((unused))) {}
-#endif
-
-#ifdef L_gcov_merge_single
-void __gcov_merge_single (gcov_type *counters  __attribute__ ((unused)),
-			  unsigned n_counters __attribute__ ((unused))) {}
-#endif
-
-#ifdef L_gcov_merge_delta
-void __gcov_merge_delta (gcov_type *counters  __attribute__ ((unused)),
-			 unsigned n_counters __attribute__ ((unused))) {}
-#endif
-
-#else
-
-#include <string.h>
-#if GCOV_LOCKED
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/stat.h>
-#endif
-
-#ifdef L_gcov
-#include "gcov-io.c"
-
-/* Chain of per-object gcov structures.  */
-static struct gcov_info *gcov_list;
-
-/* A program checksum allows us to distinguish program data for an
-   object file included in multiple programs.  */
-static gcov_unsigned_t gcov_crc32;
-
-/* Size of the longest file name. */
-static size_t gcov_max_filename = 0;
-
-/* Make sure path component of the given FILENAME exists, create
-   missing directories. FILENAME must be writable.
-   Returns zero on success, or -1 if an error occurred.  */
-
-static int
-create_file_directory (char *filename)
-{
-#if !defined(TARGET_POSIX_IO) && !defined(_WIN32)
-  (void) filename;
-  return -1;
-#else
-  char *s;
-
-  s = filename;
-
-  if (HAS_DRIVE_SPEC(s))
-    s += 2;
-  if (IS_DIR_SEPARATOR(*s))
-    ++s;
-  for (; *s != '\0'; s++)
-    if (IS_DIR_SEPARATOR(*s))
-      {
-        char sep = *s;
-	*s  = '\0';
-
-        /* Try to make directory if it doesn't already exist.  */
-        if (access (filename, F_OK) == -1
-#ifdef TARGET_POSIX_IO
-            && mkdir (filename, 0755) == -1
-#else
-            && mkdir (filename) == -1
-#endif
-            /* The directory might have been made by another process.  */
-	    && errno != EEXIST)
-	  {
-            fprintf (stderr, "profiling:%s:Cannot create directory\n",
-		     filename);
-            *s = sep;
-	    return -1;
-	  };
-
-	*s = sep;
-      };
-  return 0;
-#endif
-}
-
-/* Check if VERSION of the info block PTR matches libgcov one.
-   Return 1 on success, or zero in case of versions mismatch.
-   If FILENAME is not NULL, its value used for reporting purposes
-   instead of value from the info block.  */
-
-static int
-gcov_version (struct gcov_info *ptr, gcov_unsigned_t version,
-	      const char *filename)
-{
-  if (version != GCOV_VERSION)
-    {
-      char v[4], e[4];
-
-      GCOV_UNSIGNED2STRING (v, version);
-      GCOV_UNSIGNED2STRING (e, GCOV_VERSION);
-
-      fprintf (stderr,
-	       "profiling:%s:Version mismatch - expected %.4s got %.4s\n",
-	       filename? filename : ptr->filename, e, v);
-      return 0;
-    }
-  return 1;
-}
-
-/* Dump the coverage counts. We merge with existing counts when
-   possible, to avoid growing the .da files ad infinitum. We use this
-   program's checksum to make sure we only accumulate whole program
-   statistics to the correct summary. An object file might be embedded
-   in two separate programs, and we must keep the two program
-   summaries separate.  */
-
-static void
-gcov_exit (void)
-{
-  struct gcov_info *gi_ptr;
-  struct gcov_summary this_program;
-  struct gcov_summary all;
-  struct gcov_ctr_summary *cs_ptr;
-  const struct gcov_ctr_info *ci_ptr;
-  unsigned t_ix;
-  gcov_unsigned_t c_num;
-  const char *gcov_prefix;
-  int gcov_prefix_strip = 0;
-  size_t prefix_length;
-  char *gi_filename, *gi_filename_up;
-
-  memset (&all, 0, sizeof (all));
-  /* Find the totals for this execution.  */
-  memset (&this_program, 0, sizeof (this_program));
-  for (gi_ptr = gcov_list; gi_ptr; gi_ptr = gi_ptr->next)
-    {
-      ci_ptr = gi_ptr->counts;
-      for (t_ix = 0; t_ix < GCOV_COUNTERS_SUMMABLE; t_ix++)
-	{
-	  if (!((1 << t_ix) & gi_ptr->ctr_mask))
-	    continue;
-
-	  cs_ptr = &this_program.ctrs[t_ix];
-	  cs_ptr->num += ci_ptr->num;
-	  for (c_num = 0; c_num < ci_ptr->num; c_num++)
-	    {
-      	      cs_ptr->sum_all += ci_ptr->values[c_num];
-	      if (cs_ptr->run_max < ci_ptr->values[c_num])
-		cs_ptr->run_max = ci_ptr->values[c_num];
-	    }
-	  ci_ptr++;
-	}
-    }
-
-  {
-    /* Check if the level of dirs to strip off specified. */
-    char *tmp = getenv("GCOV_PREFIX_STRIP");
-    if (tmp)
-      {
-	gcov_prefix_strip = atoi (tmp);
-	/* Do not consider negative values. */
-	if (gcov_prefix_strip < 0)
-	  gcov_prefix_strip = 0;
-      }
-  }
-  /* Get file name relocation prefix.  Non-absolute values are ignored. */
-  gcov_prefix = getenv("GCOV_PREFIX");
-  if (gcov_prefix)
-    {
-      prefix_length = strlen(gcov_prefix);
-
-      /* Remove an unnecessary trailing '/' */
-      if (IS_DIR_SEPARATOR (gcov_prefix[prefix_length - 1]))
-	prefix_length--;
-    }
-  else
-    prefix_length = 0;
-
-  /* If no prefix was specified and a prefix stip, then we assume
-     relative.  */
-  if (gcov_prefix_strip != 0 && prefix_length == 0)
-    {
-      gcov_prefix = ".";
-      prefix_length = 1;
-    }
-  /* Allocate and initialize the filename scratch space plus one.  */
-  gi_filename = (char *) alloca (prefix_length + gcov_max_filename + 2);
-  if (prefix_length)
-    memcpy (gi_filename, gcov_prefix, prefix_length);
-  gi_filename_up = gi_filename + prefix_length;
-
-  /* Now merge each file.  */
-  for (gi_ptr = gcov_list; gi_ptr; gi_ptr = gi_ptr->next)
-    {
-      struct gcov_summary this_object;
-      struct gcov_summary object, program;
-      gcov_type *values[GCOV_COUNTERS];
-      const struct gcov_fn_info *fi_ptr;
-      unsigned fi_stride;
-      unsigned c_ix, f_ix, n_counts;
-      struct gcov_ctr_summary *cs_obj, *cs_tobj, *cs_prg, *cs_tprg, *cs_all;
-      int error = 0;
-      gcov_unsigned_t tag, length;
-      gcov_position_t summary_pos = 0;
-      gcov_position_t eof_pos = 0;
-      const char *fname, *s;
-
-      fname = gi_ptr->filename;
-
-      memset (&this_object, 0, sizeof (this_object));
-      memset (&object, 0, sizeof (object));
-
-      /* Avoid to add multiple drive letters into combined path.  */
-      if (prefix_length != 0 && HAS_DRIVE_SPEC(fname))
-        fname += 2;
-
-      /* Build relocated filename, stripping off leading
-         directories from the initial filename if requested. */
-      if (gcov_prefix_strip > 0)
-        {
-          int level = 0;
-          s = fname;
-          if (IS_DIR_SEPARATOR(*s))
-            ++s;
-
-          /* Skip selected directory levels. */
-	  for (; (*s != '\0') && (level < gcov_prefix_strip); s++)
-	    if (IS_DIR_SEPARATOR(*s))
-	      {
-		fname = s;
-		level++;
-	      }
-        }
-      /* Update complete filename with stripped original. */
-      if (prefix_length != 0 && !IS_DIR_SEPARATOR (*fname))
-        {
-          /* If prefix is given, add directory separator.  */
-	  strcpy (gi_filename_up, "/");
-	  strcpy (gi_filename_up + 1, fname);
-	}
-      else
-        strcpy (gi_filename_up, fname);
-
-      /* Totals for this object file.  */
-      ci_ptr = gi_ptr->counts;
-      for (t_ix = 0; t_ix < GCOV_COUNTERS_SUMMABLE; t_ix++)
-	{
-	  if (!((1 << t_ix) & gi_ptr->ctr_mask))
-	    continue;
-
-	  cs_ptr = &this_object.ctrs[t_ix];
-	  cs_ptr->num += ci_ptr->num;
-	  for (c_num = 0; c_num < ci_ptr->num; c_num++)
-	    {
-	      cs_ptr->sum_all += ci_ptr->values[c_num];
-	      if (cs_ptr->run_max < ci_ptr->values[c_num])
-		cs_ptr->run_max = ci_ptr->values[c_num];
-	    }
-
-	  ci_ptr++;
-	}
-
-      c_ix = 0;
-      for (t_ix = 0; t_ix < GCOV_COUNTERS; t_ix++)
-	if ((1 << t_ix) & gi_ptr->ctr_mask)
-	  {
-	    values[c_ix] = gi_ptr->counts[c_ix].values;
-	    c_ix++;
-	  }
-
-      /* Calculate the function_info stride. This depends on the
-	 number of counter types being measured.  */
-      fi_stride = sizeof (struct gcov_fn_info) + c_ix * sizeof (unsigned);
-      if (__alignof__ (struct gcov_fn_info) > sizeof (unsigned))
-	{
-	  fi_stride += __alignof__ (struct gcov_fn_info) - 1;
-	  fi_stride &= ~(__alignof__ (struct gcov_fn_info) - 1);
-	}
-
-      if (!gcov_open (gi_filename))
-	{
-	  /* Open failed likely due to missed directory.
-	     Create directory and retry to open file. */
-          if (create_file_directory (gi_filename))
-	    {
-	      fprintf (stderr, "profiling:%s:Skip\n", gi_filename);
-	      continue;
-	    }
-	  if (!gcov_open (gi_filename))
-	    {
-              fprintf (stderr, "profiling:%s:Cannot open\n", gi_filename);
-	      continue;
-	    }
-	}
-
-      tag = gcov_read_unsigned ();
-      if (tag)
-	{
-	  /* Merge data from file.  */
-	  if (tag != GCOV_DATA_MAGIC)
-	    {
-	      fprintf (stderr, "profiling:%s:Not a gcov data file\n",
-		       gi_filename);
-	      goto read_fatal;
-	    }
-	  length = gcov_read_unsigned ();
-	  if (!gcov_version (gi_ptr, length, gi_filename))
-	    goto read_fatal;
-
-	  length = gcov_read_unsigned ();
-	  if (length != gi_ptr->stamp)
-	    /* Read from a different compilation. Overwrite the file.  */
-	    goto rewrite;
-
-	  /* Merge execution counts for each function.  */
-	  for (f_ix = 0; f_ix < gi_ptr->n_functions; f_ix++)
-	    {
-	      fi_ptr = (const struct gcov_fn_info *)
-		      ((const char *) gi_ptr->functions + f_ix * fi_stride);
-	      tag = gcov_read_unsigned ();
-	      length = gcov_read_unsigned ();
-
-	      /* Check function.  */
-	      if (tag != GCOV_TAG_FUNCTION
-	          || length != GCOV_TAG_FUNCTION_LENGTH
-		  || gcov_read_unsigned () != fi_ptr->ident
-		  || gcov_read_unsigned () != fi_ptr->lineno_checksum
-		  || gcov_read_unsigned () != fi_ptr->cfg_checksum)
-		{
-		read_mismatch:;
-		  fprintf (stderr, "profiling:%s:Merge mismatch for %s\n",
-			   gi_filename,
-			   f_ix + 1 ? "function" : "summaries");
-		  goto read_fatal;
-		}
-
-	      c_ix = 0;
-	      for (t_ix = 0; t_ix < GCOV_COUNTERS; t_ix++)
-		{
-		  gcov_merge_fn merge;
-
-		  if (!((1 << t_ix) & gi_ptr->ctr_mask))
-		    continue;
-
-		  n_counts = fi_ptr->n_ctrs[c_ix];
-		  merge = gi_ptr->counts[c_ix].merge;
-
-		  tag = gcov_read_unsigned ();
-		  length = gcov_read_unsigned ();
-		  if (tag != GCOV_TAG_FOR_COUNTER (t_ix)
-		      || length != GCOV_TAG_COUNTER_LENGTH (n_counts))
-		    goto read_mismatch;
-		  (*merge) (values[c_ix], n_counts);
-		  values[c_ix] += n_counts;
-		  c_ix++;
-		}
-	      if ((error = gcov_is_error ()))
-		goto read_error;
-	    }
-
-	  f_ix = ~0u;
-	  /* Check program & object summary */
-	  while (1)
-	    {
-	      int is_program;
-
-	      eof_pos = gcov_position ();
-	      tag = gcov_read_unsigned ();
-	      if (!tag)
-		break;
-
-	      length = gcov_read_unsigned ();
-	      is_program = tag == GCOV_TAG_PROGRAM_SUMMARY;
-	      if (length != GCOV_TAG_SUMMARY_LENGTH
-		  || (!is_program && tag != GCOV_TAG_OBJECT_SUMMARY))
-		goto read_mismatch;
-	      gcov_read_summary (is_program ? &program : &object);
-	      if ((error = gcov_is_error ()))
-		goto read_error;
-	      if (is_program && program.checksum == gcov_crc32)
-		{
-		  summary_pos = eof_pos;
-		  goto rewrite;
-		}
-	    }
-	}
-      goto rewrite;
-
-    read_error:;
-      fprintf (stderr, error < 0 ? "profiling:%s:Overflow merging\n"
-	       : "profiling:%s:Error merging\n", gi_filename);
-
-    read_fatal:;
-      gcov_close ();
-      continue;
-
-    rewrite:;
-      gcov_rewrite ();
-      if (!summary_pos)
-	memset (&program, 0, sizeof (program));
-
-      /* Merge the summaries.  */
-      f_ix = ~0u;
-      for (t_ix = 0; t_ix < GCOV_COUNTERS_SUMMABLE; t_ix++)
-	{
-	  cs_obj = &object.ctrs[t_ix];
-	  cs_tobj = &this_object.ctrs[t_ix];
-	  cs_prg = &program.ctrs[t_ix];
-	  cs_tprg = &this_program.ctrs[t_ix];
-	  cs_all = &all.ctrs[t_ix];
-
-	  if ((1 << t_ix) & gi_ptr->ctr_mask)
-	    {
-	      if (!cs_obj->runs++)
-		cs_obj->num = cs_tobj->num;
-	      else if (cs_obj->num != cs_tobj->num)
-		goto read_mismatch;
-	      cs_obj->sum_all += cs_tobj->sum_all;
-	      if (cs_obj->run_max < cs_tobj->run_max)
-		cs_obj->run_max = cs_tobj->run_max;
-	      cs_obj->sum_max += cs_tobj->run_max;
-
-	      if (!cs_prg->runs++)
-		cs_prg->num = cs_tprg->num;
-	      else if (cs_prg->num != cs_tprg->num)
-		goto read_mismatch;
-	      cs_prg->sum_all += cs_tprg->sum_all;
-	      if (cs_prg->run_max < cs_tprg->run_max)
-		cs_prg->run_max = cs_tprg->run_max;
-	      cs_prg->sum_max += cs_tprg->run_max;
-	    }
-	  else if (cs_obj->num || cs_prg->num)
-	    goto read_mismatch;
-
-	  if (!cs_all->runs && cs_prg->runs)
-	    memcpy (cs_all, cs_prg, sizeof (*cs_all));
-	  else if (!all.checksum
-		   && (!GCOV_LOCKED || cs_all->runs == cs_prg->runs)
-		   && memcmp (cs_all, cs_prg, sizeof (*cs_all)))
-	    {
-	      fprintf (stderr, "profiling:%s:Invocation mismatch - some data files may have been removed%s",
-		       gi_filename, GCOV_LOCKED
-		       ? "" : " or concurrent update without locking support");
-	      all.checksum = ~0u;
-	    }
-	}
-
-      c_ix = 0;
-      for (t_ix = 0; t_ix < GCOV_COUNTERS; t_ix++)
-	if ((1 << t_ix) & gi_ptr->ctr_mask)
-	  {
-	    values[c_ix] = gi_ptr->counts[c_ix].values;
-	    c_ix++;
-	  }
-
-      program.checksum = gcov_crc32;
-
-      /* Write out the data.  */
-      gcov_write_tag_length (GCOV_DATA_MAGIC, GCOV_VERSION);
-      gcov_write_unsigned (gi_ptr->stamp);
-
-      /* Write execution counts for each function.  */
-      for (f_ix = 0; f_ix < gi_ptr->n_functions; f_ix++)
-	{
-	  fi_ptr = (const struct gcov_fn_info *)
-		  ((const char *) gi_ptr->functions + f_ix * fi_stride);
-
-	  /* Announce function.  */
-	  gcov_write_tag_length (GCOV_TAG_FUNCTION, GCOV_TAG_FUNCTION_LENGTH);
-	  gcov_write_unsigned (fi_ptr->ident);
-	  gcov_write_unsigned (fi_ptr->lineno_checksum);
-	  gcov_write_unsigned (fi_ptr->cfg_checksum);
-
-	  c_ix = 0;
-	  for (t_ix = 0; t_ix < GCOV_COUNTERS; t_ix++)
-	    {
-	      gcov_type *c_ptr;
-
-	      if (!((1 << t_ix) & gi_ptr->ctr_mask))
-		continue;
-
-	      n_counts = fi_ptr->n_ctrs[c_ix];
-
-	      gcov_write_tag_length (GCOV_TAG_FOR_COUNTER (t_ix),
-				     GCOV_TAG_COUNTER_LENGTH (n_counts));
-	      c_ptr = values[c_ix];
-	      while (n_counts--)
-		gcov_write_counter (*c_ptr++);
-
-	      values[c_ix] = c_ptr;
-	      c_ix++;
-	    }
-	}
-
-      /* Object file summary.  */
-      gcov_write_summary (GCOV_TAG_OBJECT_SUMMARY, &object);
-
-      /* Generate whole program statistics.  */
-      if (eof_pos)
-	gcov_seek (eof_pos);
-      gcov_write_summary (GCOV_TAG_PROGRAM_SUMMARY, &program);
-      if (!summary_pos)
-	gcov_write_unsigned (0);
-      if ((error = gcov_close ()))
-	  fprintf (stderr, error  < 0 ?
-		   "profiling:%s:Overflow writing\n" :
-		   "profiling:%s:Error writing\n",
-		   gi_filename);
-    }
-}
-
-/* Add a new object file onto the bb chain.  Invoked automatically
-   when running an object file's global ctors.  */
-
-void
-__gcov_init (struct gcov_info *info)
-{
-  if (!info->version)
-    return;
-  if (gcov_version (info, info->version, 0))
-    {
-      const char *ptr = info->filename;
-      gcov_unsigned_t crc32 = gcov_crc32;
-      size_t filename_length =  strlen(info->filename);
-
-      /* Refresh the longest file name information */
-      if (filename_length > gcov_max_filename)
-        gcov_max_filename = filename_length;
-
-      do
-	{
-	  unsigned ix;
-	  gcov_unsigned_t value = *ptr << 24;
-
-	  for (ix = 8; ix--; value <<= 1)
-	    {
-	      gcov_unsigned_t feedback;
-
-	      feedback = (value ^ crc32) & 0x80000000 ? 0x04c11db7 : 0;
-	      crc32 <<= 1;
-	      crc32 ^= feedback;
-	    }
-	}
-      while (*ptr++);
-
-      gcov_crc32 = crc32;
-
-      if (!gcov_list)
-	atexit (gcov_exit);
-
-      info->next = gcov_list;
-      gcov_list = info;
-    }
-  info->version = 0;
-}
-
-/* Called before fork or exec - write out profile information gathered so
-   far and reset it to zero.  This avoids duplication or loss of the
-   profile information gathered so far.  */
-
-void
-__gcov_flush (void)
-{
-  const struct gcov_info *gi_ptr;
-
-  gcov_exit ();
-  for (gi_ptr = gcov_list; gi_ptr; gi_ptr = gi_ptr->next)
-    {
-      unsigned t_ix;
-      const struct gcov_ctr_info *ci_ptr;
-
-      for (t_ix = 0, ci_ptr = gi_ptr->counts; t_ix != GCOV_COUNTERS; t_ix++)
-	if ((1 << t_ix) & gi_ptr->ctr_mask)
-	  {
-	    memset (ci_ptr->values, 0, sizeof (gcov_type) * ci_ptr->num);
-	    ci_ptr++;
-	  }
-    }
-}
-
-#endif /* L_gcov */
-
-#ifdef L_gcov_merge_add
-/* The profile merging function that just adds the counters.  It is given
-   an array COUNTERS of N_COUNTERS old counters and it reads the same number
-   of counters from the gcov file.  */
-void
-__gcov_merge_add (gcov_type *counters, unsigned n_counters)
-{
-  for (; n_counters; counters++, n_counters--)
-    *counters += gcov_read_counter ();
-}
-#endif /* L_gcov_merge_add */
-
-#ifdef L_gcov_merge_ior
-/* The profile merging function that just adds the counters.  It is given
-   an array COUNTERS of N_COUNTERS old counters and it reads the same number
-   of counters from the gcov file.  */
-void
-__gcov_merge_ior (gcov_type *counters, unsigned n_counters)
-{
-  for (; n_counters; counters++, n_counters--)
-    *counters |= gcov_read_counter ();
-}
-#endif
-
-#ifdef L_gcov_merge_single
-/* The profile merging function for choosing the most common value.
-   It is given an array COUNTERS of N_COUNTERS old counters and it
-   reads the same number of counters from the gcov file.  The counters
-   are split into 3-tuples where the members of the tuple have
-   meanings:
-
-   -- the stored candidate on the most common value of the measured entity
-   -- counter
-   -- total number of evaluations of the value  */
-void
-__gcov_merge_single (gcov_type *counters, unsigned n_counters)
-{
-  unsigned i, n_measures;
-  gcov_type value, counter, all;
-
-  gcc_assert (!(n_counters % 3));
-  n_measures = n_counters / 3;
-  for (i = 0; i < n_measures; i++, counters += 3)
-    {
-      value = gcov_read_counter ();
-      counter = gcov_read_counter ();
-      all = gcov_read_counter ();
-
-      if (counters[0] == value)
-	counters[1] += counter;
-      else if (counter > counters[1])
-	{
-	  counters[0] = value;
-	  counters[1] = counter - counters[1];
-	}
-      else
-	counters[1] -= counter;
-      counters[2] += all;
-    }
-}
-#endif /* L_gcov_merge_single */
-
-#ifdef L_gcov_merge_delta
-/* The profile merging function for choosing the most common
-   difference between two consecutive evaluations of the value.  It is
-   given an array COUNTERS of N_COUNTERS old counters and it reads the
-   same number of counters from the gcov file.  The counters are split
-   into 4-tuples where the members of the tuple have meanings:
-
-   -- the last value of the measured entity
-   -- the stored candidate on the most common difference
-   -- counter
-   -- total number of evaluations of the value  */
-void
-__gcov_merge_delta (gcov_type *counters, unsigned n_counters)
-{
-  unsigned i, n_measures;
-  gcov_type value, counter, all;
-
-  gcc_assert (!(n_counters % 4));
-  n_measures = n_counters / 4;
-  for (i = 0; i < n_measures; i++, counters += 4)
-    {
-      /* last = */ gcov_read_counter ();
-      value = gcov_read_counter ();
-      counter = gcov_read_counter ();
-      all = gcov_read_counter ();
-
-      if (counters[1] == value)
-	counters[2] += counter;
-      else if (counter > counters[2])
-	{
-	  counters[1] = value;
-	  counters[2] = counter - counters[2];
-	}
-      else
-	counters[2] -= counter;
-      counters[3] += all;
-    }
-}
-#endif /* L_gcov_merge_delta */
-
-#ifdef L_gcov_interval_profiler
-/* If VALUE is in interval <START, START + STEPS - 1>, then increases the
-   corresponding counter in COUNTERS.  If the VALUE is above or below
-   the interval, COUNTERS[STEPS] or COUNTERS[STEPS + 1] is increased
-   instead.  */
-
-void
-__gcov_interval_profiler (gcov_type *counters, gcov_type value,
-			  int start, unsigned steps)
-{
-  gcov_type delta = value - start;
-  if (delta < 0)
-    counters[steps + 1]++;
-  else if (delta >= steps)
-    counters[steps]++;
-  else
-    counters[delta]++;
-}
-#endif
-
-#ifdef L_gcov_pow2_profiler
-/* If VALUE is a power of two, COUNTERS[1] is incremented.  Otherwise
-   COUNTERS[0] is incremented.  */
-
-void
-__gcov_pow2_profiler (gcov_type *counters, gcov_type value)
-{
-  if (value & (value - 1))
-    counters[0]++;
-  else
-    counters[1]++;
-}
-#endif
-
-/* Tries to determine the most common value among its inputs.  Checks if the
-   value stored in COUNTERS[0] matches VALUE.  If this is the case, COUNTERS[1]
-   is incremented.  If this is not the case and COUNTERS[1] is not zero,
-   COUNTERS[1] is decremented.  Otherwise COUNTERS[1] is set to one and
-   VALUE is stored to COUNTERS[0].  This algorithm guarantees that if this
-   function is called more than 50% of the time with one value, this value
-   will be in COUNTERS[0] in the end.
-
-   In any case, COUNTERS[2] is incremented.  */
-
-static inline void
-__gcov_one_value_profiler_body (gcov_type *counters, gcov_type value)
-{
-  if (value == counters[0])
-    counters[1]++;
-  else if (counters[1] == 0)
-    {
-      counters[1] = 1;
-      counters[0] = value;
-    }
-  else
-    counters[1]--;
-  counters[2]++;
-}
-
-#ifdef L_gcov_one_value_profiler
-void
-__gcov_one_value_profiler (gcov_type *counters, gcov_type value)
-{
-  __gcov_one_value_profiler_body (counters, value);
-}
-#endif
-
-#ifdef L_gcov_indirect_call_profiler
-
-/* By default, the C++ compiler will use function addresses in the
-   vtable entries.  Setting TARGET_VTABLE_USES_DESCRIPTORS to nonzero
-   tells the compiler to use function descriptors instead.  The value
-   of this macro says how many words wide the descriptor is (normally 2),
-   but it may be dependent on target flags.  Since we do not have access
-   to the target flags here we just check to see if it is set and use
-   that to set VTABLE_USES_DESCRIPTORS to 0 or 1.
-
-   It is assumed that the address of a function descriptor may be treated
-   as a pointer to a function.  */
-
-#ifdef TARGET_VTABLE_USES_DESCRIPTORS
-#define VTABLE_USES_DESCRIPTORS 1
-#else
-#define VTABLE_USES_DESCRIPTORS 0
-#endif
-
-/* Tries to determine the most common value among its inputs. */
-void
-__gcov_indirect_call_profiler (gcov_type* counter, gcov_type value,
-			       void* cur_func, void* callee_func)
-{
-  /* If the C++ virtual tables contain function descriptors then one
-     function may have multiple descriptors and we need to dereference
-     the descriptors to see if they point to the same function.  */
-  if (cur_func == callee_func
-      || (VTABLE_USES_DESCRIPTORS && callee_func
-	  && *(void **) cur_func == *(void **) callee_func))
-    __gcov_one_value_profiler_body (counter, value);
-}
-#endif
-
-
-#ifdef L_gcov_average_profiler
-/* Increase corresponding COUNTER by VALUE.  FIXME: Perhaps we want
-   to saturate up.  */
-
-void
-__gcov_average_profiler (gcov_type *counters, gcov_type value)
-{
-  counters[0] += value;
-  counters[1] ++;
-}
-#endif
-
-#ifdef L_gcov_ior_profiler
-/* Increase corresponding COUNTER by VALUE.  FIXME: Perhaps we want
-   to saturate up.  */
-
-void
-__gcov_ior_profiler (gcov_type *counters, gcov_type value)
-{
-  *counters |= value;
-}
-#endif
-
-#ifdef L_gcov_fork
-/* A wrapper for the fork function.  Flushes the accumulated profiling data, so
-   that they are not counted twice.  */
-
-pid_t
-__gcov_fork (void)
-{
-  __gcov_flush ();
-  return fork ();
-}
-#endif
-
-#ifdef L_gcov_execl
-/* A wrapper for the execl function.  Flushes the accumulated profiling data, so
-   that they are not lost.  */
-
-int
-__gcov_execl (const char *path, char *arg, ...)
-{
-  va_list ap, aq;
-  unsigned i, length;
-  char **args;
-
-  __gcov_flush ();
-
-  va_start (ap, arg);
-  va_copy (aq, ap);
-
-  length = 2;
-  while (va_arg (ap, char *))
-    length++;
-  va_end (ap);
-
-  args = (char **) alloca (length * sizeof (void *));
-  args[0] = arg;
-  for (i = 1; i < length; i++)
-    args[i] = va_arg (aq, char *);
-  va_end (aq);
-
-  return execv (path, args);
-}
-#endif
-
-#ifdef L_gcov_execlp
-/* A wrapper for the execlp function.  Flushes the accumulated profiling data, so
-   that they are not lost.  */
-
-int
-__gcov_execlp (const char *path, char *arg, ...)
-{
-  va_list ap, aq;
-  unsigned i, length;
-  char **args;
-
-  __gcov_flush ();
-
-  va_start (ap, arg);
-  va_copy (aq, ap);
-
-  length = 2;
-  while (va_arg (ap, char *))
-    length++;
-  va_end (ap);
-
-  args = (char **) alloca (length * sizeof (void *));
-  args[0] = arg;
-  for (i = 1; i < length; i++)
-    args[i] = va_arg (aq, char *);
-  va_end (aq);
-
-  return execvp (path, args);
-}
-#endif
-
-#ifdef L_gcov_execle
-/* A wrapper for the execle function.  Flushes the accumulated profiling data, so
-   that they are not lost.  */
-
-int
-__gcov_execle (const char *path, char *arg, ...)
-{
-  va_list ap, aq;
-  unsigned i, length;
-  char **args;
-  char **envp;
-
-  __gcov_flush ();
-
-  va_start (ap, arg);
-  va_copy (aq, ap);
-
-  length = 2;
-  while (va_arg (ap, char *))
-    length++;
-  va_end (ap);
-
-  args = (char **) alloca (length * sizeof (void *));
-  args[0] = arg;
-  for (i = 1; i < length; i++)
-    args[i] = va_arg (aq, char *);
-  envp = va_arg (aq, char **);
-  va_end (aq);
-
-  return execve (path, args, envp);
-}
-#endif
-
-#ifdef L_gcov_execv
-/* A wrapper for the execv function.  Flushes the accumulated profiling data, so
-   that they are not lost.  */
-
-int
-__gcov_execv (const char *path, char *const argv[])
-{
-  __gcov_flush ();
-  return execv (path, argv);
-}
-#endif
-
-#ifdef L_gcov_execvp
-/* A wrapper for the execvp function.  Flushes the accumulated profiling data, so
-   that they are not lost.  */
-
-int
-__gcov_execvp (const char *path, char *const argv[])
-{
-  __gcov_flush ();
-  return execvp (path, argv);
-}
-#endif
-
-#ifdef L_gcov_execve
-/* A wrapper for the execve function.  Flushes the accumulated profiling data, so
-   that they are not lost.  */
-
-int
-__gcov_execve (const char *path, char *const argv[], char *const envp[])
-{
-  __gcov_flush ();
-  return execve (path, argv, envp);
-}
-#endif
-#endif /* inhibit_libc */