80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
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/* Copyright (C) 1996-2019 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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