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/* bb_exit_func.c - dumps all the basic-block statistics linked into
the bb_head chain to .d files.
Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.
This code was contributed by:
David Mosberger-Tang <David.Mosberger@acm.org> */
#include <stdio.h>
#include <strings.h>
#include "bfd.h"
#include "gmon_out.h"
/* structure emitted by -a */
struct bb {
long zero_word;
const char *filename;
long *counts;
long ncounts;
struct bb *next;
const unsigned long *addresses;
};
struct bb *__bb_head = (struct bb *)0;
void
__bb_exit_func (void)
{
const int version = GMON_VERSION;
struct gmon_hdr ghdr;
struct bb *ptr;
FILE *fp;
/*
* GEN_GMON_CNT_FILE should be defined on systems with mcleanup()
* functions that do not write basic-block to gmon.out. In such
* cases profiling with "-pg -a" would result in a gmon.out file
* without basic-block info (because the file written here would
* be overwritten. Thus, a separate file is generated instead.
* The two files can easily be combined by specifying them
* on gprof's command line (and possibly generating a gmon.sum
* file with "gprof -s").
*/
#ifndef GEN_GMON_CNT_FILE
# define OUT_NAME "gmon.out"
#else
# define OUT_NAME "gmon.cnt"
#endif
fp = fopen(OUT_NAME, "wb");
if (!fp) {
perror(OUT_NAME);
return;
} /* if */
memcpy(&ghdr.cookie[0], GMON_MAGIC, 4);
memcpy(&ghdr.version, &version, sizeof(version));
fwrite(&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(&tag, sizeof(tag), 1, fp);
fwrite(&ncounts, sizeof(ncounts), 1, fp);
for (i = 0; i < ncounts; ++i) {
fwrite(&ptr->addresses[i], sizeof(ptr->addresses[0]), 1, fp);
fwrite(&ptr->counts[i], sizeof(ptr->counts[0]), 1, fp);
} /* for */
} /* for */
fclose (fp);
} /* __bb_exit_func */
/*** end of __bb_exit_func.c ***/
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