Annotation of sys/arch/powerpc/include/profile.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: profile.h,v 1.6 2003/06/03 01:35:30 drahn Exp $ */
2:
3: /*
4: * Copyright (c) 1998 Dale Rahn.
5: * All rights reserved.
6: *
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27: */
28: #define MCOUNT \
29: __asm__(" \
30: .section \".text\" \n\
31: .align 2 \n\
32: .globl _mcount \n\
33: .type _mcount,@function \n\
34: _mcount: \n\
35: lwz 11, 4(1) \n\
36: mflr 0 \n\
37: stw 0, 4(1) \n\
38: stwu 1, -48(1) \n\
39: stw 3, 8(1) \n\
40: stw 4, 12(1) \n\
41: stw 5, 16(1) \n\
42: stw 6, 20(1) \n\
43: stw 7, 24(1) \n\
44: stw 8, 28(1) \n\
45: stw 9, 32(1) \n\
46: stw 10,36(1) \n\
47: stw 11,40(1) \n\
48: mr 4, 0 \n\
49: mr 3, 11 \n\
50: bl __mcount \n\
51: lwz 3, 8(1) \n\
52: lwz 4, 12(1) \n\
53: lwz 5, 16(1) \n\
54: lwz 6, 20(1) \n\
55: lwz 7, 24(1) \n\
56: lwz 8, 28(1) \n\
57: lwz 9, 32(1) \n\
58: lwz 10,36(1) \n\
59: lwz 11,40(1) \n\
60: addi 1, 1, 48 \n\
61: lwz 0, 4(1) \n\
62: mtlr 11 \n\
63: stw 11, 4(1) \n\
64: mtctr 0 \n\
65: bctr \n\
66: .Lfe2: \n\
67: .size _mcount, .Lfe2-_mcount \n\
68: ");
69: #define _MCOUNT_DECL static void __mcount
70: #ifdef _KERNEL
71: #define MCOUNT_ENTER \
72: __asm volatile("mfmsr %0" : "=r"(s)); \
73: if ((s & (PSL_IR | PSL_DR)) != (PSL_IR | PSL_DR)) \
74: return; /* prof not possible in real mode */ \
75: s &= ~PSL_POW; \
76: __asm volatile("mtmsr %0" :: "r"(s & ~PSL_EE))
77:
78: #define MCOUNT_EXIT \
79: __asm volatile("mtmsr %0" :: "r"(s))
80: #endif /* _KERNEL */
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