Imported from /home/lorry/working-area/delta_binutils-tarball/binutils-2.25.tar.bz2.HEADbinutils-2.25master

1 files changed, 93 insertions, 0 deletions

diff --git a/gprof/bb_exit_func.c b/gprof/bb_exit_func.c
new file mode 100644
index 0000000..3d416a6
--- /dev/null
+++ b/gprof/bb_exit_func.c
@@ -0,0 +1,93 @@
+/*  bb_exit_func.c - dumps all the basic-block statistics linked into
+    the bb_head chain to .d files.
+
+   Copyright (C) 2000-2014 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.
+
+   This code was contributed by:
+
+     David Mosberger-Tang <David.Mosberger@acm.org>  */
+
+#include <stdio.h>
+#include <strings.h>
+#include "bfd.h"
+#include "gmon_out.h"
+
+/* structure emitted by -a */
+struct bb
+{
+  long zero_word;
+  const char *filename;
+  long *counts;
+  long ncounts;
+  struct bb *next;
+  const unsigned long *addresses;
+};
+
+struct bb *__bb_head = (struct bb *) 0;
+
+
+void
+__bb_exit_func ()
+{
+  const int version = GMON_VERSION;
+  struct gmon_hdr ghdr;
+  struct bb *ptr;
+  FILE *fp;
+  /* GEN_GMON_CNT_FILE should be defined on systems with mcleanup()
+     functions that do not write basic-block to gmon.out.  In such
+     cases profiling with "-pg -a" would result in a gmon.out file
+     without basic-block info (because the file written here would be
+     overwritten.  Thus, a separate file is generated instead.  The
+     two files can easily be combined by specifying them on gprof's
+     command line (and possibly generating a gmon.sum file with "gprof
+     -s"). */
+#ifndef GEN_GMON_CNT_FILE
+#   define OUT_NAME	"gmon.out"
+#else
+#   define OUT_NAME	"gmon.cnt"
+#endif
+  fp = fopen (OUT_NAME, "wb");
+  if (!fp)
+    {
+      perror (OUT_NAME);
+      return;
+    }
+  memcpy (&ghdr.cookie[0], GMON_MAGIC, 4);
+  memcpy (&ghdr.version, &version, sizeof (version));
+  fwrite (&ghdr, sizeof (ghdr), 1, fp);
+
+  for (ptr = __bb_head; ptr != 0; ptr = ptr->next)
+    {
+      u_int ncounts = ptr->ncounts;
+      u_char tag;
+      u_int i;
+
+      tag = GMON_TAG_BB_COUNT;
+      fwrite (&tag, sizeof (tag), 1, fp);
+      fwrite (&ncounts, sizeof (ncounts), 1, fp);
+
+      for (i = 0; i < ncounts; ++i)
+	{
+	  fwrite (&ptr->addresses[i], sizeof (ptr->addresses[0]), 1, fp);
+	  fwrite (&ptr->counts[i], sizeof (ptr->counts[0]), 1, fp);
+	}
+    }
+  fclose (fp);
+}