2 * Copyright (c) 1994 David Mosberger-Tang.
4 * This is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU Library General Public License as
6 * published by the Free Software Foundation; either version 2, or (at
7 * your option) any later version.
9 * __bb_exit_func() dumps all the basic-block statistics linked into
10 * the bb_head chain to .d files.
17 /* structure emitted by -a */
24 const unsigned long *addresses
;
27 struct bb
*__bb_head
= (struct bb
*)0;
33 const int version
= GMON_VERSION
;
38 * GEN_GMON_CNT_FILE should be defined on systems with mcleanup()
39 * functions that do not write basic-block to gmon.out. In such
40 * cases profiling with "-pg -a" would result in a gmon.out file
41 * without basic-block info (because the file written here would
42 * be overwritten. Thus, a separate file is generated instead.
43 * The two files can easily be combined by specifying them
44 * on gprof's command line (and possibly generating a gmon.sum
45 * file with "gprof -s").
47 #ifndef GEN_GMON_CNT_FILE
48 # define OUT_NAME "gmon.out"
50 # define OUT_NAME "gmon.cnt"
52 fp
= fopen(OUT_NAME
, "wb");
57 memcpy(&ghdr
.cookie
[0], GMON_MAGIC
, 4);
58 memcpy(&ghdr
.version
, &version
, sizeof(version
));
59 fwrite(&ghdr
, sizeof(ghdr
), 1, fp
);
61 for (ptr
= __bb_head
; ptr
!= 0; ptr
= ptr
->next
) {
62 u_int ncounts
= ptr
->ncounts
;
66 tag
= GMON_TAG_BB_COUNT
;
67 fwrite(&tag
, sizeof(tag
), 1, fp
);
68 fwrite(&ncounts
, sizeof(ncounts
), 1, fp
);
70 for (i
= 0; i
< ncounts
; ++i
) {
71 fwrite(&ptr
->addresses
[i
], sizeof(ptr
->addresses
[0]), 1, fp
);
72 fwrite(&ptr
->counts
[i
], sizeof(ptr
->counts
[0]), 1, fp
);
76 } /* __bb_exit_func */
78 /*** end of __bb_exit_func.c ***/
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