Annotation of sys/arch/sparc/include/profile.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: profile.h,v 1.8 2003/06/02 23:27:54 millert Exp $ */
! 2: /* $NetBSD: profile.h,v 1.8 1997/02/01 20:56:40 mrg Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1992, 1993
! 6: * The Regents of the University of California. All rights reserved.
! 7: *
! 8: * This software was developed by the Computer Systems Engineering group
! 9: * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
! 10: * contributed to Berkeley.
! 11: *
! 12: * All advertising materials mentioning features or use of this software
! 13: * must display the following acknowledgement:
! 14: * This product includes software developed by the University of
! 15: * California, Lawrence Berkeley Laboratory.
! 16: *
! 17: * Redistribution and use in source and binary forms, with or without
! 18: * modification, are permitted provided that the following conditions
! 19: * are met:
! 20: * 1. Redistributions of source code must retain the above copyright
! 21: * notice, this list of conditions and the following disclaimer.
! 22: * 2. Redistributions in binary form must reproduce the above copyright
! 23: * notice, this list of conditions and the following disclaimer in the
! 24: * documentation and/or other materials provided with the distribution.
! 25: * 3. Neither the name of the University nor the names of its contributors
! 26: * may be used to endorse or promote products derived from this software
! 27: * without specific prior written permission.
! 28: *
! 29: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 30: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 31: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 32: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 33: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 34: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 35: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 36: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 37: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 38: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 39: * SUCH DAMAGE.
! 40: *
! 41: * @(#)profile.h 8.1 (Berkeley) 6/11/93
! 42: */
! 43:
! 44: /*
! 45: * Can't use _C_LABEL here.
! 46: */
! 47:
! 48: #ifdef __ELF__
! 49: #define _MCOUNT_SYM "__mcount"
! 50: #define _MCOUNT_ENTRY "_mcount"
! 51: #else
! 52: #define _MCOUNT_SYM "___mcount"
! 53: #define _MCOUNT_ENTRY "mcount"
! 54: #endif
! 55:
! 56: #ifdef PIC
! 57: /* Inline expansion of PICCY_SET() (see <machine/asm.h>). */
! 58: #define MCOUNT \
! 59: __asm__(".global " _MCOUNT_ENTRY);\
! 60: __asm__(".text");\
! 61: __asm__(_MCOUNT_ENTRY ":");\
! 62: __asm__("add %o7, 8, %o1");\
! 63: __asm__("1: call 2f; nop; 2:");\
! 64: __asm__("add %o7," _MCOUNT_SYM "-1b, %o2");\
! 65: __asm__("ld [%o2], %o2");\
! 66: __asm__("jmpl %o2, %g0");\
! 67: __asm__("add %i7, 8, %o0");
! 68: #else
! 69: #define MCOUNT \
! 70: __asm__(".global " _MCOUNT_ENTRY);\
! 71: __asm__(".text");\
! 72: __asm__(_MCOUNT_ENTRY ":");\
! 73: __asm__("add %i7, 8, %o0");\
! 74: __asm__("sethi %hi(" _MCOUNT_SYM "), %o2");\
! 75: __asm__("jmpl %o2 + %lo(" _MCOUNT_SYM "), %g0");\
! 76: __asm__("add %o7, 8, %o1");
! 77: #endif
! 78:
! 79: #define _MCOUNT_DECL static void __mcount
! 80:
! 81: #ifdef _KERNEL
! 82: /*
! 83: * Block interrupts during mcount so that those interrupts can also be
! 84: * counted (as soon as we get done with the current counting). On the
! 85: * SPARC, we just splhigh/splx as those do not recursively invoke mcount.
! 86: */
! 87: #define MCOUNT_ENTER s = splhigh()
! 88: #define MCOUNT_EXIT splx(s)
! 89: #endif /* _KERNEL */
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