Annotation of sys/arch/sparc64/include/profile.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: profile.h,v 1.3 2003/06/02 23:27:56 millert Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 1992, 1993
! 5: * The Regents of the University of California. All rights reserved.
! 6: *
! 7: * This software was developed by the Computer Systems Engineering group
! 8: * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
! 9: * contributed to Berkeley.
! 10: *
! 11: * All advertising materials mentioning features or use of this software
! 12: * must display the following acknowledgement:
! 13: * This product includes software developed by the University of
! 14: * California, Lawrence Berkeley Laboratory.
! 15: *
! 16: * Redistribution and use in source and binary forms, with or without
! 17: * modification, are permitted provided that the following conditions
! 18: * are met:
! 19: * 1. Redistributions of source code must retain the above copyright
! 20: * notice, this list of conditions and the following disclaimer.
! 21: * 2. Redistributions in binary form must reproduce the above copyright
! 22: * notice, this list of conditions and the following disclaimer in the
! 23: * documentation and/or other materials provided with the distribution.
! 24: * 3. Neither the name of the University nor the names of its contributors
! 25: * may be used to endorse or promote products derived from this software
! 26: * without specific prior written permission.
! 27: *
! 28: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 29: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 30: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 31: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 32: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 33: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 34: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 35: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 36: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 37: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 38: * SUCH DAMAGE.
! 39: *
! 40: * @(#)profile.h 8.1 (Berkeley) 6/11/93
! 41: */
! 42:
! 43: #ifdef PIC
! 44: /* Inline expansion of PICCY_SET() (see <machine/asm.h>). */
! 45: #define MCOUNT \
! 46: __asm__(".global _mcount");\
! 47: __asm__("_mcount:");\
! 48: __asm__("add %o7, 8, %o1");\
! 49: __asm__("1: rd %pc, %o2");\
! 50: __asm__("add %o2, __mcount-1b, %o2");\
! 51: __asm__("ld [%o2], %o2");\
! 52: __asm__("jmpl %o2, %g0");\
! 53: __asm__("add %i7, 8, %o0");
! 54: #else
! 55: #define MCOUNT \
! 56: __asm__(".global _mcount");\
! 57: __asm__("_mcount:");\
! 58: __asm__("add %i7, 8, %o0");\
! 59: __asm__("sethi %hi(__mcount), %o2");\
! 60: __asm__("jmpl %o2 + %lo(__mcount), %g0");\
! 61: __asm__("add %o7, 8, %o1");
! 62: #endif
! 63:
! 64: #define _MCOUNT_DECL static void __mcount
! 65:
! 66: #ifdef _KERNEL
! 67: /*
! 68: * Block interrupts during mcount so that those interrupts can also be
! 69: * counted (as soon as we get done with the current counting). On the
! 70: * SPARC, we just splhigh/splx as those do not recursively invoke mcount.
! 71: */
! 72: #define MCOUNT_ENTER s = splhigh()
! 73: #define MCOUNT_EXIT splx(s)
! 74: #endif /* _KERNEL */
CVSweb