| /* |
| * 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 ***/ |