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/* Copyright (C) 1996-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by David Mosberger (davidm@cs.arizona.edu).
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
/* __bb_exit_func() dumps all the basic-block statistics linked into
the __bb_head chain to .d files. */
#include <sys/gmon.h>
#include <sys/gmon_out.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdio_ext.h>
#include <string.h>
#define OUT_NAME "gmon.out"
extern struct __bb *__bb_head attribute_hidden;
void
__bb_exit_func (void)
{
const int version = GMON_VERSION;
struct gmon_hdr ghdr;
struct __bb *ptr;
FILE *fp;
fp = fopen (OUT_NAME, "wb");
if (!fp)
{
perror (OUT_NAME);
return;
}
/* No threads use this stream. */
__fsetlocking (fp, FSETLOCKING_BYCALLER);
memcpy (&ghdr.cookie[0], GMON_MAGIC, 4);
memcpy (&ghdr.version, &version, sizeof (version));
fwrite_unlocked (&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_unlocked (&tag, sizeof (tag), 1, fp);
fwrite_unlocked (&ncounts, sizeof (ncounts), 1, fp);
for (i = 0; i < ncounts; ++i)
{
fwrite_unlocked (&ptr->addresses[i], sizeof (ptr->addresses[0]), 1,
fp);
fwrite_unlocked (&ptr->counts[i], sizeof (ptr->counts[0]), 1, fp);
}
}
fclose (fp);
}
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