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79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/* Copyright (C) 1996 Free Software Foundation, Inc.
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Contributed by David Mosberger (davidm@cs.arizona.edu).
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This file is part of the GNU C Library.
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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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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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_out.h>
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#include <sys/types.h>
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#include <ansidecl.h>
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#include <stdio.h>
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#include <strings.h>
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/* structure emitted by -a */
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struct bb {
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long zero_word;
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const char *filename;
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long *counts;
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long ncounts;
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struct bb *next;
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const unsigned long *addresses;
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};
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extern struct bb *__bb_head; /* from gmon.c */
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#define OUT_NAME "gmon.out"
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void
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DEFUN_VOID(__bb_exit_func)
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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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bcopy(GMON_MAGIC, &ghdr.cookie[0], 4);
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bcopy(&version, &ghdr.version, sizeof(version));
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fwrite(&ghdr, sizeof(ghdr), 1, fp);
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for (ptr = __bb_head; ptr != 0; ptr = ptr->next) {
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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(&tag, sizeof(tag), 1, fp);
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fwrite(&ncounts, sizeof(ncounts), 1, fp);
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for (i = 0; i < ncounts; ++i) {
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fwrite(&ptr->addresses[i], sizeof(ptr->addresses[0]), 1, fp);
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fwrite(&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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