| /* bb_exit_func.c - dumps all the basic-block statistics linked into |
| the bb_head chain to .d files. |
| |
| Copyright (C) 2000-2024 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 3 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., 51 Franklin Street - Fifth Floor, Boston, MA |
| 02110-1301, 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 () |
| { |
| 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; |
| } |
| 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); |
| } |
| } |
| fclose (fp); |
| } |