Annotation of sys/arch/vax/include/profile.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: profile.h,v 1.7 2003/06/02 23:27:57 millert Exp $ */
! 2: /* $NetBSD: profile.h,v 1.5 1995/12/31 12:15:58 ragge Exp $ */
! 3: /*
! 4: * Copyright (c) 1992 The Regents of the University of California.
! 5: * All rights reserved.
! 6: *
! 7: * Redistribution and use in source and binary forms, with or without
! 8: * modification, are permitted provided that the following conditions
! 9: * are met:
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. Redistributions in binary form must reproduce the above copyright
! 13: * notice, this list of conditions and the following disclaimer in the
! 14: * documentation and/or other materials provided with the distribution.
! 15: * 3. Neither the name of the University nor the names of its contributors
! 16: * may be used to endorse or promote products derived from this software
! 17: * without specific prior written permission.
! 18: *
! 19: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 22: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 29: * SUCH DAMAGE.
! 30: *
! 31: * @(#)profile.h 7.1 (Berkeley) 7/16/92
! 32: */
! 33:
! 34: /*
! 35: * _mcount can't be declared static, gcc will optimize it away then.
! 36: */
! 37: #define _MCOUNT_DECL void _mcount
! 38:
! 39: /*
! 40: * Note here: the second argument to __mcount() is pc when mcount
! 41: * was called. Because it's already on the stack we only have to
! 42: * push previous pc _and_ tell calls that it is only one argument
! 43: * to __mcount, so that our return address won't get popped from stack.
! 44: */
! 45: #define MCOUNT \
! 46: __asm__(".text; .globl mcount; mcount: pushl 16(fp); calls $1,__mcount; rsb");
! 47:
! 48: #ifdef _KERNEL
! 49: /*
! 50: * Note that we assume splhigh() and splx() cannot call mcount()
! 51: * recursively.
! 52: */
! 53: #define MCOUNT_ENTER s = splhigh()
! 54: #define MCOUNT_EXIT splx(s)
! 55: #endif /* _KERNEL */
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