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75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/* Copyright (C) 1996-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by David Mosberger (davidm@cs.arizona.edu).
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/* __bb_exit_func() dumps all the basic-block statistics linked into
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the __bb_head chain to .d files. */
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#include <sys/gmon.h>
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#include <sys/gmon_out.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdio_ext.h>
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#include <string.h>
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#define OUT_NAME "gmon.out"
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extern struct __bb *__bb_head attribute_hidden;
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void
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__bb_exit_func (void)
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{
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const int version = GMON_VERSION;
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struct gmon_hdr ghdr;
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struct __bb *ptr;
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FILE *fp;
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fp = fopen (OUT_NAME, "wb");
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if (!fp)
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{
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perror (OUT_NAME);
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return;
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}
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/* No threads use this stream. */
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__fsetlocking (fp, FSETLOCKING_BYCALLER);
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memcpy (&ghdr.cookie[0], GMON_MAGIC, 4);
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memcpy (&ghdr.version, &version, sizeof (version));
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fwrite_unlocked (&ghdr, sizeof (ghdr), 1, fp);
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for (ptr = __bb_head; ptr != 0; ptr = ptr->next)
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{
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u_int ncounts = ptr->ncounts;
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u_char tag;
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u_int i;
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tag = GMON_TAG_BB_COUNT;
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fwrite_unlocked (&tag, sizeof (tag), 1, fp);
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fwrite_unlocked (&ncounts, sizeof (ncounts), 1, fp);
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for (i = 0; i < ncounts; ++i)
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{
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fwrite_unlocked (&ptr->addresses[i], sizeof (ptr->addresses[0]), 1,
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fp);
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fwrite_unlocked (&ptr->counts[i], sizeof (ptr->counts[0]), 1, fp);
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}
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}
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fclose (fp);
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}
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