gmon_out.h
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- /* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by David Mosberger <davidm@cs.arizona.edu>.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library 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
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- /* This file specifies the format of gmon.out files. It should have
- as few external dependencies as possible as it is going to be included
- in many different programs. That is, minimize the number of #include's.
- A gmon.out file consists of a header (defined by gmon_hdr) followed by
- a sequence of records. Each record starts with a one-byte tag
- identifying the type of records, followed by records specific data. */
- #ifndef _SYS_GMON_OUT_H
- #define _SYS_GMON_OUT_H 1
- #include <features.h>
- #define GMON_MAGIC "gmon" /* magic cookie */
- #define GMON_VERSION 1 /* version number */
- /* For profiling shared object we need a new format. */
- #define GMON_SHOBJ_VERSION 0x1ffff
- __BEGIN_DECLS
- /*
- * Raw header as it appears on file (without padding). This header
- * always comes first in gmon.out and is then followed by a series
- * records defined below.
- */
- struct gmon_hdr
- {
- char cookie[4];
- char version[4];
- char spare[3 * 4];
- };
- /* types of records in this file: */
- typedef enum
- {
- GMON_TAG_TIME_HIST = 0,
- GMON_TAG_CG_ARC = 1,
- GMON_TAG_BB_COUNT = 2
- } GMON_Record_Tag;
- struct gmon_hist_hdr
- {
- char low_pc[sizeof (char *)]; /* base pc address of sample buffer */
- char high_pc[sizeof (char *)]; /* max pc address of sampled buffer */
- char hist_size[4]; /* size of sample buffer */
- char prof_rate[4]; /* profiling clock rate */
- char dimen[15]; /* phys. dim., usually "seconds" */
- char dimen_abbrev; /* usually 's' for "seconds" */
- };
- struct gmon_cg_arc_record
- {
- char from_pc[sizeof (char *)]; /* address within caller's body */
- char self_pc[sizeof (char *)]; /* address within callee's body */
- char count[4]; /* number of arc traversals */
- };
- __END_DECLS
- #endif /* sys/gmon_out.h */