mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/*
|
|
* 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 ***/
|