Update.
[glibc.git] / gmon / bb_exit_func.c
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1 /* Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by David Mosberger (davidm@cs.arizona.edu).
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
20 /* __bb_exit_func() dumps all the basic-block statistics linked into
21 the __bb_head chain to .d files. */
23 #include <sys/gmon.h>
24 #include <sys/gmon_out.h>
25 #include <sys/types.h>
27 #include <stdio.h>
28 #include <string.h>
30 #define OUT_NAME "gmon.out"
33 void
34 __bb_exit_func (void)
36 const int version = GMON_VERSION;
37 struct gmon_hdr ghdr;
38 struct __bb *ptr;
39 FILE *fp;
40 fp = fopen (OUT_NAME, "wb");
41 if (!fp)
43 perror (OUT_NAME);
44 return;
46 memcpy (&ghdr.cookie[0], GMON_MAGIC, 4);
47 memcpy (&ghdr.version, &version, sizeof (version));
48 fwrite_unlocked (&ghdr, sizeof (ghdr), 1, fp);
50 for (ptr = __bb_head; ptr != 0; ptr = ptr->next)
52 u_int ncounts = ptr->ncounts;
53 u_char tag;
54 u_int i;
56 tag = GMON_TAG_BB_COUNT;
57 fwrite_unlocked (&tag, sizeof (tag), 1, fp);
58 fwrite_unlocked (&ncounts, sizeof (ncounts), 1, fp);
60 for (i = 0; i < ncounts; ++i)
62 fwrite_unlocked (&ptr->addresses[i], sizeof (ptr->addresses[0]), 1,
63 fp);
64 fwrite_unlocked (&ptr->counts[i], sizeof (ptr->counts[0]), 1, fp);
67 fclose (fp);