profv.h revision 7008:8f7bd4ba8aeb 
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef	_SGS_PROFV_H
28#define	_SGS_PROFV_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32/*
33 * Header file for processing versioned, *new-style* mon.out files.
34 */
35
36#ifdef	__cplusplus
37extern "C" {
38#endif
39
40#include <stdio.h>
41#include <sys/types.h>
42#include <sys/mman.h>
43#include <sys/stat.h>
44#include <fcntl.h>
45#include <unistd.h>
46#include <sys/elf.h>
47#include "gelf.h"
48#include "monv.h"
49#include "_machelf.h"
50
51/*
52 * Booleans.
53 */
54typedef int	bool;
55
56#define	TRUE	1
57#define	FALSE	0
58
59/*
60 * Bit macro and flag bit definitions. These and the sort_flags below,
61 * need to be always in sync with the set in prof.c
62 */
63extern int		flags;
64
65#define	F_SORT		0x1
66#define	F_VERBOSE	0x2
67#define	F_ZSYMS		0x4
68#define	F_PADDR		0x8
69#define	F_NHEAD		0x10
70
71/*
72 * Sort flags. Mutually exclusive.
73 */
74extern unsigned char	sort_flag;
75
76#define	BY_ADDRESS	0x1
77#define	BY_NCALLS	0x2
78#define	BY_NAME		0x4
79#define	BY_TIME		0x8
80
81/*
82 * Error codes
83 */
84#define	ERR_SYSCALL	1
85#define	ERR_INPUT	2
86#define	ERR_ELF		3
87#define	ERR_MEMORY	4
88
89/*
90 * Other useful macros.
91 */
92#define	BUCKET_SZ	4096
93#define	PRF_END		"_end"
94
95extern int		gflag, Cflag;
96extern char		*atitle, *aformat,
97			*cmdname, *sym_fn, *mon_fn;
98
99/*
100 * Module info.
101 */
102struct mod_info {
103	char		*path;		/* pathname of module */
104	int		id;		/* id (used while printing) */
105	bool		active;		/* is this module active or not ? */
106	Address		load_base;	/* base addr where module is loaded */
107	Address		load_end;	/* end addr of loaded module */
108	GElf_Addr	txt_origin;	/* txt start as given in PHT */
109	GElf_Addr	data_end;	/* data end as found from `_end' */
110	struct nl	*nl;		/* ptr to module's namelist */
111	size_t		nfuncs;		/* number of functions in `nl' */
112	struct mod_info	*next;		/* link to next module */
113};
114typedef struct mod_info	mod_info_t;
115
116/*
117 * List of shared objects. Note that this always includes the program
118 * executable as the first element.
119 */
120extern mod_info_t	modules;
121extern size_t		n_modules;
122
123/*
124 * The symbol table.
125 */
126struct nl {
127	char		*name;		/* name of the symbol */
128	GElf_Addr	value;		/* value of the symbol */
129	unsigned char	info;		/* symbol's bind/type info */
130	GElf_Xword	size;		/* size of the symbol */
131	size_t		ncalls;		/* number of calls to this func */
132	size_t		nticks;		/* number of ticks spent here */
133};
134typedef struct nl	nltype;
135
136/*
137 * The profile output record. There is some duplication of fields from
138 * the namelist, but the profsym contains just the symbols we're going
139 * to print, and that makes a lot of things easier.
140 */
141struct profrec {
142	GElf_Addr	addr;			/* symbol value */
143	double		percent_time;		/* percentage time spent here */
144	double		seconds;		/* time spent here in seconds */
145	size_t		ncalls;			/* calls to this function */
146	double		msecs_per_call;		/* milliseconds per call */
147	char		*demangled_name;	/* demangled name if C++ */
148	bool		print_mid;		/* print module id ? */
149	char		*name;			/* bookkeeping, not printed */
150	mod_info_t	*module;		/* bookkeeping, not printed */
151};
152typedef struct profrec	profrec_t;
153extern profrec_t	*profsym;
154
155/*
156 * Names in profile output need to be sorted to figure out if there'll
157 * be any duplicate names in the output.
158 */
159struct profnames {
160	char		*name;
161	profrec_t	*pfrec;
162};
163typedef struct profnames	profnames_t;
164
165/*
166 * File status.
167 */
168extern struct stat	aout_stat, monout_stat;
169
170/*
171 * Timing related externs.
172 */
173extern bool	time_in_ticks;
174extern size_t	n_pcsamples, n_accounted_ticks, n_zeros, total_funcs;
175extern double	total_time;
176
177/*
178 * Other declarations
179 */
180extern void	profver(void);
181extern nltype	*nllookup(mod_info_t *, Address, Address *);
182extern Address	*locate(Address *, size_t, Address);
183extern void	get_syms(char *, mod_info_t *);
184extern int	cmp_by_address(const void *arg1, const void *arg2);
185extern bool	is_shared_obj(char *);
186
187#ifdef	__cplusplus
188}
189#endif
190
191#endif	/* _SGS_PROFV_H */
192