1 /* bb_exit_func.c - dumps all the basic-block statistics linked into
2 the bb_head chain to .d files.
4 Copyright (C) 2000 Free Software Foundation, Inc.
6 This file is part of GNU Binutils.
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 2 of the License, or
11 (at your option) any later version.
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.
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., 59 Temple Place - Suite 330, Boston, MA
23 This code was contributed by:
25 David Mosberger-Tang <David.Mosberger@acm.org> */
32 /* structure emitted by -a */
39 const unsigned long *addresses
;
42 struct bb
*__bb_head
= (struct bb
*)0;
48 const int version
= GMON_VERSION
;
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
57 * be overwritten. Thus, a separate file is generated instead.
58 * The two files can easily be combined by specifying them
59 * on gprof's command line (and possibly generating a gmon.sum
60 * file with "gprof -s").
62 #ifndef GEN_GMON_CNT_FILE
63 # define OUT_NAME "gmon.out"
65 # define OUT_NAME "gmon.cnt"
67 fp
= fopen(OUT_NAME
, "wb");
72 memcpy(&ghdr
.cookie
[0], GMON_MAGIC
, 4);
73 memcpy(&ghdr
.version
, &version
, sizeof(version
));
74 fwrite(&ghdr
, sizeof(ghdr
), 1, fp
);
76 for (ptr
= __bb_head
; ptr
!= 0; ptr
= ptr
->next
) {
77 u_int ncounts
= ptr
->ncounts
;
81 tag
= GMON_TAG_BB_COUNT
;
82 fwrite(&tag
, sizeof(tag
), 1, fp
);
83 fwrite(&ncounts
, sizeof(ncounts
), 1, fp
);
85 for (i
= 0; i
< ncounts
; ++i
) {
86 fwrite(&ptr
->addresses
[i
], sizeof(ptr
->addresses
[0]), 1, fp
);
87 fwrite(&ptr
->counts
[i
], sizeof(ptr
->counts
[0]), 1, fp
);
91 } /* __bb_exit_func */
93 /*** end of __bb_exit_func.c ***/
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