/* Copyright (C) 1996-2018 Free Software Foundation, Inc.

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This file is part of the GNU C Library.

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Contributed by David Mosberger <davidm@cs.arizona.edu>.

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The GNU C Library is free software; you can redistribute it and/or

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modify it under the terms of the GNU Lesser General Public

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License as published by the Free Software Foundation; either

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version 2.1 of the License, or (at your option) any later version.

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The GNU C Library is distributed in the hope that it will be useful,

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but WITHOUT ANY WARRANTY; without even the implied warranty of

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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

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Lesser General Public License for more details.

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You should have received a copy of the GNU Lesser General Public

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License along with the GNU C Library; if not, see

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<http://www.gnu.org/licenses/>. */

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/* This file specifies the format of gmon.out files. It should have

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as few external dependencies as possible as it is going to be included

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in many different programs. That is, minimize the number of #include's.

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A gmon.out file consists of a header (defined by gmon_hdr) followed by

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a sequence of records. Each record starts with a one-byte tag

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identifying the type of records, followed by records specific data. */

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#ifndef _SYS_GMON_OUT_H

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#define _SYS_GMON_OUT_H 1

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#include <features.h>

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#define GMON_MAGIC "gmon" /* magic cookie */

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#define GMON_VERSION 1 /* version number */

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/* For profiling shared object we need a new format. */

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#define GMON_SHOBJ_VERSION 0x1ffff

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__BEGIN_DECLS

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/*

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* Raw header as it appears on file (without padding). This header

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* always comes first in gmon.out and is then followed by a series

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* records defined below.

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*/

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struct gmon_hdr

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{

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char cookie[4];

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char version[4];

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char spare[3 * 4];

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};

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/* types of records in this file: */

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typedef enum

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{

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GMON_TAG_TIME_HIST = 0,

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GMON_TAG_CG_ARC = 1,

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GMON_TAG_BB_COUNT = 2

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} GMON_Record_Tag;

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struct gmon_hist_hdr

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{

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char low_pc[sizeof (char *)]; /* base pc address of sample buffer */

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char high_pc[sizeof (char *)]; /* max pc address of sampled buffer */

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char hist_size[4]; /* size of sample buffer */

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char prof_rate[4]; /* profiling clock rate */

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char dimen[15]; /* phys. dim., usually "seconds" */

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char dimen_abbrev; /* usually 's' for "seconds" */

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};

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struct gmon_cg_arc_record

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{

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char from_pc[sizeof (char *)]; /* address within caller's body */

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char self_pc[sizeof (char *)]; /* address within callee's body */

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char count[4]; /* number of arc traversals */

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};

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__END_DECLS

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#endif /* sys/gmon_out.h */

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