81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
/* $NetBSD: profile.h,v 1.5 2000/04/18 17:06:01 tsubai Exp $ */
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/*-
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* Copyright (c) 2000 Tsubai Masanari. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#define _MCOUNT_DECL void mcount
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#ifdef PIC
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#define _PLT "@plt"
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#else
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#define _PLT
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#endif
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#define MCOUNT __asm(" \
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.globl _mcount; \
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_mcount: \
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stwu 1,-64(1); \
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stw 3,16(1); \
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stw 4,20(1); \
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stw 5,24(1); \
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stw 6,28(1); \
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stw 7,32(1); \
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stw 8,36(1); \
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stw 9,40(1); \
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stw 10,44(1); \
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\
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mflr 4; \
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stw 4,48(1); \
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lwz 3,68(1); \
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bl mcount" _PLT "; \
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lwz 3,68(1); \
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mtlr 3; \
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lwz 4,48(1); \
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mtctr 4; \
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\
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lwz 3,16(1); \
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lwz 4,20(1); \
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lwz 5,24(1); \
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lwz 6,28(1); \
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lwz 7,32(1); \
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lwz 8,36(1); \
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lwz 9,40(1); \
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lwz 10,44(1); \
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addi 1,1,64; \
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bctr; ");
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#ifdef _KERNEL
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#define MCOUNT_ENTER \
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__asm volatile("mfmsr %0" : "=r"(s)); \
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if ((s & (PSL_IR | PSL_DR)) != (PSL_IR | PSL_DR)) \
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return; /* XXX */ \
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s &= ~PSL_POW; \
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__asm volatile("mtmsr %0" :: "r"(s & ~PSL_EE))
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#define MCOUNT_EXIT \
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__asm volatile("mtmsr %0" :: "r"(s))
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#endif
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