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79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/*
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* Copyright (c) 1994 David Mosberger-Tang.
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*
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* This is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or (at
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* your option) any later version.
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*
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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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*/
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#include <stdio.h>
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#include <strings.h>
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#include "bfd.h"
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#include "gmon_out.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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struct bb *__bb_head = (struct bb *)0;
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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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/*
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* GEN_GMON_CNT_FILE should be defined on systems with mcleanup()
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* functions that do not write basic-block to gmon.out. In such
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* cases profiling with "-pg -a" would result in a gmon.out file
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* without basic-block info (because the file written here would
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* be overwritten. Thus, a separate file is generated instead.
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* The two files can easily be combined by specifying them
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* on gprof's command line (and possibly generating a gmon.sum
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* file with "gprof -s").
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*/
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#ifndef GEN_GMON_CNT_FILE
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# define OUT_NAME "gmon.out"
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#else
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# define OUT_NAME "gmon.cnt"
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#endif
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fp = fopen(OUT_NAME, "wb");
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if (!fp) {
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perror(OUT_NAME);
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return;
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} /* if */
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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(&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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} /* for */
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} /* for */
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fclose (fp);
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} /* __bb_exit_func */
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/*** end of __bb_exit_func.c ***/
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