| 1 | /* $OpenBSD: profile.h,v 1.4 2012/08/22 17:19:35 pascal 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 */ |