Annotation of sys/arch/sparc64/include/profile.h, Revision 1.1.1.1
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 */
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