1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2001,2002 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _PROFILE_H 28*0Sstevel@tonic-gate #define _PROFILE_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #ifdef __cplusplus 33*0Sstevel@tonic-gate extern "C" { 34*0Sstevel@tonic-gate #endif 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #ifndef _ASM 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate #include <sys/types.h> 39*0Sstevel@tonic-gate #include <synch.h> 40*0Sstevel@tonic-gate #include <link.h> 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate /* 43*0Sstevel@tonic-gate * The profile buffer created by ld.so.1 consists of 3 sections; the header, 44*0Sstevel@tonic-gate * the profil(2) buffer, and an array of call graph arc structures. 45*0Sstevel@tonic-gate */ 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate typedef struct l_hdr { /* Linker profile buffer header */ 48*0Sstevel@tonic-gate unsigned int hd_magic; /* identifier for file */ 49*0Sstevel@tonic-gate unsigned int hd_version; /* version for rtld prof file */ 50*0Sstevel@tonic-gate lwp_mutex_t hd_mutex; /* Provides for process locking */ 51*0Sstevel@tonic-gate caddr_t hd_hpc; /* Relative high pc address */ 52*0Sstevel@tonic-gate unsigned int hd_psize; /* Size of profil(2) buffer */ 53*0Sstevel@tonic-gate unsigned int hd_fsize; /* Size of file */ 54*0Sstevel@tonic-gate unsigned int hd_ncndx; /* Next (and last) index into */ 55*0Sstevel@tonic-gate unsigned int hd_lcndx; /* call graph arc structure */ 56*0Sstevel@tonic-gate } L_hdr; 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate /* 60*0Sstevel@tonic-gate * The *64 structs are for gprof, as a 32-bit program, 61*0Sstevel@tonic-gate * to read 64-bit profiles correctly. 62*0Sstevel@tonic-gate */ 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate typedef struct l_hdr64 { /* Linker profile buffer header */ 65*0Sstevel@tonic-gate unsigned int hd_magic; /* identifier for file */ 66*0Sstevel@tonic-gate unsigned int hd_version; /* version for rtld prof file */ 67*0Sstevel@tonic-gate lwp_mutex_t hd_mutex; /* Provides for process locking */ 68*0Sstevel@tonic-gate u_longlong_t hd_hpc; /* Relative high pc address */ 69*0Sstevel@tonic-gate unsigned int hd_psize; /* Size of profil(2) buffer */ 70*0Sstevel@tonic-gate unsigned int hd_fsize; /* Size of file */ 71*0Sstevel@tonic-gate unsigned int hd_ncndx; /* Next (and last) index into */ 72*0Sstevel@tonic-gate unsigned int hd_lcndx; /* call graph arc structure */ 73*0Sstevel@tonic-gate } L_hdr64; 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate typedef struct l_cgarc { /* Linker call graph arc entry */ 78*0Sstevel@tonic-gate caddr_t cg_from; /* Source of call */ 79*0Sstevel@tonic-gate caddr_t cg_to; /* Destination of call */ 80*0Sstevel@tonic-gate unsigned int cg_count; /* Instance count */ 81*0Sstevel@tonic-gate unsigned int cg_next; /* Link index for multiple sources */ 82*0Sstevel@tonic-gate } L_cgarc; 83*0Sstevel@tonic-gate 84*0Sstevel@tonic-gate 85*0Sstevel@tonic-gate typedef struct l_cgarc64 { /* Linker call graph arc entry */ 86*0Sstevel@tonic-gate u_longlong_t cg_from; /* Source of call */ 87*0Sstevel@tonic-gate u_longlong_t cg_to; /* Destination of call */ 88*0Sstevel@tonic-gate unsigned int cg_count; /* Instance count */ 89*0Sstevel@tonic-gate unsigned int cg_next; /* Link index for multiple sources */ 90*0Sstevel@tonic-gate } L_cgarc64; 91*0Sstevel@tonic-gate 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate /* 94*0Sstevel@tonic-gate * Snapshots of this profile buffer are taken by `ldmon' and packaged into 95*0Sstevel@tonic-gate * a gmon.out file appropriate for analysis by gprof(1). This gmon file 96*0Sstevel@tonic-gate * consists of three sections (taken from gmon.h); a header, a profil(2) 97*0Sstevel@tonic-gate * buffer, and an array of call graph arc structures. 98*0Sstevel@tonic-gate */ 99*0Sstevel@tonic-gate 100*0Sstevel@tonic-gate typedef struct m_hdr { /* Monitor profile buffer header */ 101*0Sstevel@tonic-gate char *hd_lpc; /* Low pc value */ 102*0Sstevel@tonic-gate char *hd_hpc; /* High pc value */ 103*0Sstevel@tonic-gate int hd_off; /* Offset into call graph array */ 104*0Sstevel@tonic-gate } M_hdr; 105*0Sstevel@tonic-gate 106*0Sstevel@tonic-gate typedef struct m_hdr64 { /* Monitor profile buffer header */ 107*0Sstevel@tonic-gate u_longlong_t hd_lpc; /* Low pc value */ 108*0Sstevel@tonic-gate u_longlong_t hd_hpc; /* High pc value */ 109*0Sstevel@tonic-gate int hd_off; /* Offset into call graph array */ 110*0Sstevel@tonic-gate } M_hdr64; 111*0Sstevel@tonic-gate 112*0Sstevel@tonic-gate typedef struct m_cgarc { /* Monitor call graph arc entry */ 113*0Sstevel@tonic-gate unsigned int cg_from; /* Source of call */ 114*0Sstevel@tonic-gate unsigned int cg_to; /* Destination of call */ 115*0Sstevel@tonic-gate int cg_count; /* Instance count */ 116*0Sstevel@tonic-gate } M_cgarc; 117*0Sstevel@tonic-gate 118*0Sstevel@tonic-gate typedef struct m_cnt { /* Prof(1) function count structure */ 119*0Sstevel@tonic-gate char *fc_fnpc; /* Called functions address */ 120*0Sstevel@tonic-gate int fc_mcnt; /* Instance count */ 121*0Sstevel@tonic-gate } M_cnt; 122*0Sstevel@tonic-gate 123*0Sstevel@tonic-gate 124*0Sstevel@tonic-gate #define PROF_LIBRARY "ldprofile.so.1" 125*0Sstevel@tonic-gate 126*0Sstevel@tonic-gate /* 127*0Sstevel@tonic-gate * Generic defines for creating profiled output buffer. 128*0Sstevel@tonic-gate */ 129*0Sstevel@tonic-gate 130*0Sstevel@tonic-gate #define PRF_BARSIZE 2 /* No. of program bytes that */ 131*0Sstevel@tonic-gate /* correspond to each histogram */ 132*0Sstevel@tonic-gate /* bar in the profil(2) buffer */ 133*0Sstevel@tonic-gate #define PRF_SCALE 0x8000 /* Scale to provide above */ 134*0Sstevel@tonic-gate /* histogram correspondence */ 135*0Sstevel@tonic-gate #define PRF_CGNUMB 256 /* Size of call graph extension */ 136*0Sstevel@tonic-gate #define PRF_CGINIT 2 /* Initial symbol blocks to allocate */ 137*0Sstevel@tonic-gate /* for the call graph structure */ 138*0Sstevel@tonic-gate #define PRF_OUTADDR (caddr_t)-1 /* Function addresses outside of */ 139*0Sstevel@tonic-gate /* the range being monitored */ 140*0Sstevel@tonic-gate #define PRF_OUTADDR64 (u_longlong_t)-1 /* Function addresses outside */ 141*0Sstevel@tonic-gate /* of the range being monitored */ 142*0Sstevel@tonic-gate #define PRF_UNKNOWN (caddr_t)-2 /* Unknown function address */ 143*0Sstevel@tonic-gate 144*0Sstevel@tonic-gate #define PRF_ROUNDUP(x, a) (((x) + ((a) - 1)) & ~((a) - 1)) 145*0Sstevel@tonic-gate #define PRF_ROUNDWN(x, a) ((x) & ~((a) - 1)) 146*0Sstevel@tonic-gate 147*0Sstevel@tonic-gate #define PRF_MAGIC 0xffffffff /* unique number to differentiate */ 148*0Sstevel@tonic-gate /* profiled file from gmon.out for */ 149*0Sstevel@tonic-gate /* gprof */ 150*0Sstevel@tonic-gate #define PRF_VERSION 0x1 /* current PROF file version */ 151*0Sstevel@tonic-gate #define PRF_VERSION_64 0x2 /* 64-bit current PROF file version */ 152*0Sstevel@tonic-gate 153*0Sstevel@tonic-gate 154*0Sstevel@tonic-gate /* 155*0Sstevel@tonic-gate * Related data and function definitions. 156*0Sstevel@tonic-gate */ 157*0Sstevel@tonic-gate 158*0Sstevel@tonic-gate extern int profile_rtld; /* Rtld is being profiled */ 159*0Sstevel@tonic-gate 160*0Sstevel@tonic-gate extern uintptr_t (* p_cg_interp)(int, caddr_t, caddr_t); 161*0Sstevel@tonic-gate 162*0Sstevel@tonic-gate #endif 163*0Sstevel@tonic-gate 164*0Sstevel@tonic-gate #ifdef __cplusplus 165*0Sstevel@tonic-gate } 166*0Sstevel@tonic-gate #endif 167*0Sstevel@tonic-gate 168*0Sstevel@tonic-gate #endif /* _PROFILE_H */ 169