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* bb_exit_func.c: Rename from __bb_exit_func.c, so that it can be

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stored on a System V file system.
This commit is contained in:
Ian Lance Taylor
1996-07-04 18:35:44 +00:00
parent 5c7bebdba4
commit 13566744d9
2 changed files with 3 additions and 0 deletions
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78
gprof/bb_exit_func.c Normal file
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/*
* Copyright (c) 1994 David Mosberger-Tang.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2, or (at
* your option) any later version.
*
* __bb_exit_func() dumps all the basic-block statistics linked into
* the bb_head chain to .d files.
*/
#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 ***/