NetBSD/sys/arch/powerpc/include/profile.h

81 lines
2.4 KiB
C

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