/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _PROFILE_H
#define _PROFILE_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _ASM
#include <sys/types.h>
#include <synch.h>
#include <link.h>
/*
* The profile buffer created by ld.so.1 consists of 3 sections; the header,
* the profil(2) buffer, and an array of call graph arc structures.
*/
typedef struct l_hdr { /* Linker profile buffer header */
unsigned int hd_magic; /* identifier for file */
unsigned int hd_version; /* version for rtld prof file */
lwp_mutex_t hd_mutex; /* Provides for process locking */
caddr_t hd_hpc; /* Relative high pc address */
unsigned int hd_psize; /* Size of profil(2) buffer */
unsigned int hd_fsize; /* Size of file */
unsigned int hd_ncndx; /* Next (and last) index into */
unsigned int hd_lcndx; /* call graph arc structure */
} L_hdr;
/*
* The *64 structs are for gprof, as a 32-bit program,
* to read 64-bit profiles correctly.
*/
typedef struct l_hdr64 { /* Linker profile buffer header */
unsigned int hd_magic; /* identifier for file */
unsigned int hd_version; /* version for rtld prof file */
lwp_mutex_t hd_mutex; /* Provides for process locking */
u_longlong_t hd_hpc; /* Relative high pc address */
unsigned int hd_psize; /* Size of profil(2) buffer */
unsigned int hd_fsize; /* Size of file */
unsigned int hd_ncndx; /* Next (and last) index into */
unsigned int hd_lcndx; /* call graph arc structure */
} L_hdr64;
typedef struct l_cgarc { /* Linker call graph arc entry */
caddr_t cg_from; /* Source of call */
caddr_t cg_to; /* Destination of call */
unsigned int cg_count; /* Instance count */
unsigned int cg_next; /* Link index for multiple sources */
} L_cgarc;
typedef struct l_cgarc64 { /* Linker call graph arc entry */
u_longlong_t cg_from; /* Source of call */
u_longlong_t cg_to; /* Destination of call */
unsigned int cg_count; /* Instance count */
unsigned int cg_next; /* Link index for multiple sources */
} L_cgarc64;
/*
* Generic defines for creating profiled output buffer.
*/
#define PRF_BARSIZE 2 /* No. of program bytes that */
/* correspond to each histogram */
/* bar in the profil(2) buffer */
#define PRF_SCALE 0x8000 /* Scale to provide above */
/* histogram correspondence */
#define PRF_CGNUMB 256 /* Size of call graph extension */
#define PRF_CGINIT 2 /* Initial symbol blocks to allocate */
/* for the call graph structure */
#define PRF_OUTADDR (caddr_t)-1 /* Function addresses outside of */
/* the range being monitored */
#define PRF_OUTADDR64 (u_longlong_t)-1 /* Function addresses outside */
/* of the range being monitored */
#define PRF_UNKNOWN (caddr_t)-2 /* Unknown function address */
#define PRF_ROUNDUP(x, a) (((x) + ((a) - 1)) & ~((a) - 1))
#define PRF_ROUNDWN(x, a) ((x) & ~((a) - 1))
#define PRF_MAGIC 0xffffffff /* unique number to differentiate */
/* profiled file from gmon.out for */
/* gprof */
#define PRF_VERSION 0x1 /* current PROF file version */
#define PRF_VERSION_64 0x2 /* 64-bit current PROF file version */
/*
* Related data and function definitions.
*/
extern int profile_rtld; /* Rtld is being profiled */
extern uintptr_t (* p_cg_interp)(int, caddr_t, caddr_t);
#endif
#ifdef __cplusplus
}
#endif
#endif /* _PROFILE_H */