1/* 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)profile.h 8.1 (Berkeley) 6/11/93 |
34 * $Id: profile.h,v 1.16 1998/07/10 09:26:41 bde Exp $ |
35 */ 36 37#ifndef _MACHINE_PROFILE_H_ 38#define _MACHINE_PROFILE_H_ 39 40#ifdef KERNEL 41 42/* --- 12 unchanged lines hidden (view full) --- 55 56#ifdef GUPROF 57#define CALIB_SCALE 1000 58#define KCOUNT(p,index) ((p)->kcount[(index) \ 59 / (HISTFRACTION * sizeof(HISTCOUNTER))]) 60#define MCOUNT_DECL(s) 61#define MCOUNT_ENTER(s) 62#define MCOUNT_EXIT(s) |
63#define PC_TO_I(p, pc) ((uintfptr_t)(pc) - (uintfptr_t)(p)->lowpc) |
64#else 65#define MCOUNT_DECL(s) u_long s; 66#ifdef SMP 67#define MCOUNT_ENTER(s) { s = read_eflags(); \ 68 __asm __volatile("cli" : : : "memory"); \ 69 s_lock_np(&mcount_lock); } 70#define MCOUNT_EXIT(s) { s_unlock_np(&mcount_lock); write_eflags(s); } 71#else --- 7 unchanged lines hidden (view full) --- 79#define FUNCTION_ALIGNMENT 4 80 81#define _MCOUNT_DECL static __inline void _mcount 82 83#define MCOUNT \ 84void \ 85mcount() \ 86{ \ |
87 uintfptr_t selfpc, frompc; \ |
88 /* \ 89 * Find the return address for mcount, \ 90 * and the return address for mcount's caller. \ 91 * \ 92 * selfpc = pc pushed by call to mcount \ 93 */ \ 94 asm("movl 4(%%ebp),%0" : "=r" (selfpc)); \ 95 /* \ 96 * frompc = pc pushed by call to mcount's caller. \ 97 * The caller's stack frame has already been built, so %ebp is \ 98 * the caller's frame pointer. The caller's raddr is in the \ 99 * caller's frame following the caller's caller's frame pointer. \ 100 */ \ 101 asm("movl (%%ebp),%0" : "=r" (frompc)); \ |
102 frompc = ((uintfptr_t *)frompc)[1]; \ |
103 _mcount(frompc, selfpc); \ 104} 105 |
106typedef unsigned int uintfptr_t; |
107 108#endif /* KERNEL */ 109 110/* 111 * An unsigned integral type that can hold non-negative difference between 112 * function pointers. 113 */ 114typedef u_int fptrdiff_t; 115 116#ifdef KERNEL 117 |
118void mcount __P((uintfptr_t frompc, uintfptr_t selfpc)); |
119 120#ifdef GUPROF 121struct gmonparam; 122 123void nullfunc_loop_profiled __P((void)); 124void nullfunc_profiled __P((void)); 125void startguprof __P((struct gmonparam *p)); 126void stopguprof __P((struct gmonparam *p)); --- 5 unchanged lines hidden (view full) --- 132#else /* !KERNEL */ 133 134#include <sys/cdefs.h> 135 136__BEGIN_DECLS 137#ifdef __GNUC__ 138void mcount __P((void)) __asm("mcount"); 139#endif |
140static void _mcount __P((uintfptr_t frompc, uintfptr_t selfpc)); |
141__END_DECLS 142 143#endif /* KERNEL */ 144 145#ifdef GUPROF 146/* XXX doesn't quite work outside kernel yet. */ 147extern int cputime_bias; 148 149__BEGIN_DECLS 150int cputime __P((void)); 151void empty_loop __P((void)); |
152void mexitcount __P((uintfptr_t selfpc)); |
153void nullfunc __P((void)); 154void nullfunc_loop __P((void)); 155__END_DECLS 156#endif 157 158#endif /* !_MACHINE_PROFILE_H_ */ |