profile.h revision 13107
11543Srgrimes/* 21543Srgrimes * Copyright (c) 1992, 1993 31543Srgrimes * The Regents of the University of California. All rights reserved. 41543Srgrimes * 51543Srgrimes * Redistribution and use in source and binary forms, with or without 61543Srgrimes * modification, are permitted provided that the following conditions 71543Srgrimes * are met: 81543Srgrimes * 1. Redistributions of source code must retain the above copyright 91543Srgrimes * notice, this list of conditions and the following disclaimer. 101543Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111543Srgrimes * notice, this list of conditions and the following disclaimer in the 121543Srgrimes * documentation and/or other materials provided with the distribution. 131543Srgrimes * 3. All advertising materials mentioning features or use of this software 141543Srgrimes * must display the following acknowledgement: 151543Srgrimes * This product includes software developed by the University of 161543Srgrimes * California, Berkeley and its contributors. 171543Srgrimes * 4. Neither the name of the University nor the names of its contributors 181543Srgrimes * may be used to endorse or promote products derived from this software 191543Srgrimes * without specific prior written permission. 201543Srgrimes * 211543Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221543Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231543Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241543Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251543Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261543Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271543Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281543Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291543Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301543Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311543Srgrimes * SUCH DAMAGE. 321543Srgrimes * 331543Srgrimes * @(#)profile.h 8.1 (Berkeley) 6/11/93 3413107Sbde * $Id: profile.h,v 1.4 1994/09/15 16:27:14 paul Exp $ 351543Srgrimes */ 361543Srgrimes 3713107Sbde#ifndef _MACHINE_PROFILE_H_ 3813107Sbde#define _MACHINE_PROFILE_H_ 392166Spaul 4013107Sbde#if 0 411543Srgrimes#define _MCOUNT_DECL static inline void _mcount 421543Srgrimes 431543Srgrimes#define MCOUNT \ 441543Srgrimesextern void mcount() asm("mcount"); void mcount() { \ 4513107Sbde fptrint_t selfpc, frompc; \ 461543Srgrimes /* \ 4713107Sbde * Find the return address for mcount, \ 481543Srgrimes * and the return address for mcount's caller. \ 491543Srgrimes * \ 5013107Sbde * selfpc = pc pushed by call to mcount \ 511543Srgrimes */ \ 521543Srgrimes asm("movl 4(%%ebp),%0" : "=r" (selfpc)); \ 531543Srgrimes /* \ 5413107Sbde * frompc = pc pushed by call to mcount's caller. \ 5513107Sbde * The caller's stack frame has already been built, so %ebp is \ 5613107Sbde * the caller's frame pointer. The caller's raddr is in the \ 5713107Sbde * caller's frame following the caller's caller's frame pointer. \ 581543Srgrimes */ \ 5913107Sbde asm("movl (%%ebp),%0" : "=r" (frompc)); \ 6013107Sbde frompc = ((fptrint_t *)frompc)[1]; \ 6113107Sbde _mcount(frompc, selfpc); \ 621543Srgrimes} 6313107Sbde#else 6413107Sbde#define _MCOUNT_DECL void mcount 6513107Sbde#define MCOUNT 6613107Sbde#endif 672166Spaul 6813107Sbde#define MCOUNT_ENTER { save_eflags = read_eflags(); disable_intr(); } 6913107Sbde#define MCOUNT_EXIT (write_eflags(save_eflags)) 702801Spaul 7113107Sbde#define CALIB_SCALE 1000 7213107Sbde#define KCOUNT(p,index) ((p)->kcount[(index) \ 7313107Sbde / (HISTFRACTION * sizeof(*(p)->kcount))]) 7413107Sbde#define PC_TO_I(p, pc) ((fptrint_t)(pc) - (fptrint_t)(p)->lowpc) 7513107Sbde 7613107Sbde/* An unsigned integral type that can hold function pointers. */ 7713107Sbdetypedef u_int fptrint_t; 7813107Sbde 7913107Sbde/* 8013107Sbde * An unsigned integral type that can hold non-negative difference between 8113107Sbde * function pointers. 8213107Sbde */ 8313107Sbdetypedef int fptrdiff_t; 8413107Sbde 8513107Sbdeu_int cputime __P((void)); 8613107Sbdevoid mcount __P((fptrint_t frompc, fptrint_t selfpc)); 8713107Sbdevoid mexitcount __P((fptrint_t selfpc)); 8813107Sbde 8913107Sbde#endif /* !MACHINE_PROFILE_H */ 90