OpenCores
URL https://opencores.org/ocsvn/open8_urisc/open8_urisc/trunk

Subversion Repositories open8_urisc

[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [gprof/] [bb_exit_func.c] - Blame information for rev 143

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 25 khays
/*  bb_exit_func.c - dumps all the basic-block statistics linked into
2
    the bb_head chain to .d files.
3
 
4
   Copyright 2000, 2001, 2004, 2007 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
   This code was contributed by:
24
 
25
     David Mosberger-Tang <David.Mosberger@acm.org>  */
26
 
27
#include <stdio.h>
28
#include <strings.h>
29
#include "bfd.h"
30
#include "gmon_out.h"
31
 
32
/* structure emitted by -a */
33
struct bb
34
{
35
  long zero_word;
36
  const char *filename;
37
  long *counts;
38
  long ncounts;
39
  struct bb *next;
40
  const unsigned long *addresses;
41
};
42
 
43
struct bb *__bb_head = (struct bb *) 0;
44
 
45
 
46
void
47
__bb_exit_func ()
48
{
49
  const int version = GMON_VERSION;
50
  struct gmon_hdr ghdr;
51
  struct bb *ptr;
52
  FILE *fp;
53
  /* GEN_GMON_CNT_FILE should be defined on systems with mcleanup()
54
     functions that do not write basic-block to gmon.out.  In such
55
     cases profiling with "-pg -a" would result in a gmon.out file
56
     without basic-block info (because the file written here would be
57
     overwritten.  Thus, a separate file is generated instead.  The
58
     two files can easily be combined by specifying them on gprof's
59
     command line (and possibly generating a gmon.sum file with "gprof
60
     -s"). */
61
#ifndef GEN_GMON_CNT_FILE
62
#   define OUT_NAME     "gmon.out"
63
#else
64
#   define OUT_NAME     "gmon.cnt"
65
#endif
66
  fp = fopen (OUT_NAME, "wb");
67
  if (!fp)
68
    {
69
      perror (OUT_NAME);
70
      return;
71
    }
72
  memcpy (&ghdr.cookie[0], GMON_MAGIC, 4);
73
  memcpy (&ghdr.version, &version, sizeof (version));
74
  fwrite (&ghdr, sizeof (ghdr), 1, fp);
75
 
76
  for (ptr = __bb_head; ptr != 0; ptr = ptr->next)
77
    {
78
      u_int ncounts = ptr->ncounts;
79
      u_char tag;
80
      u_int i;
81
 
82
      tag = GMON_TAG_BB_COUNT;
83
      fwrite (&tag, sizeof (tag), 1, fp);
84
      fwrite (&ncounts, sizeof (ncounts), 1, fp);
85
 
86
      for (i = 0; i < ncounts; ++i)
87
        {
88
          fwrite (&ptr->addresses[i], sizeof (ptr->addresses[0]), 1, fp);
89
          fwrite (&ptr->counts[i], sizeof (ptr->counts[0]), 1, fp);
90
        }
91
    }
92
  fclose (fp);
93
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.