/* $NetBSD: profile.h,v 1.10 2021/11/02 11:22:03 ryo 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.
*/
#ifdef _KERNEL_OPT
#include "opt_ppcarch.h"
#endif
#define _MCOUNT_DECL void __mcount
#ifdef _LP64
#define MCOUNT \
__asm(" .globl _mcount \n" \
" .section \".opd\",\"aw\" \n" \
" .align 3 \n" \
"_mcount: \n" \
" .quad ._mcount,.TOC.@tocbase,0\n" \
" .previous \n" \
" .size _mcount,24 \n" \
" .type ._mcount,@function \n" \
" .globl ._mcount \n" \
" .align 3 \n" \
"._mcount: \n" \
" frame=128 \n" \
" stdu 1,-frame(1) \n" \
" std 2,120(1) \n" \
" std 3,48+0(1) \n" \
" std 4,48+8(1) \n" \
" std 5,48+16(1) \n" \
" std 6,48+24(1) \n" \
" std 7,48+32(1) \n" \
" std 8,48+40(1) \n" \
" std 9,48+48(1) \n" \
" std 10,48+56(1) \n" \
" \n" \
" mflr 4 \n" \
" std 4,112(1) \n" \
" ld 3,frame+16(1) \n" \
" bl .__mcount \n" \
" ld 2,120(1) \n" \
" ld 3,frame+16(1) \n" \
" mtlr 3 \n" \
" ld 4,112(1) \n" \
" mtctr 4 \n" \
" \n" \
" ld 3,16(1) \n" \
" ld 4,20(1) \n" \
" ld 5,24(1) \n" \
" ld 6,28(1) \n" \
" ld 7,32(1) \n" \
" ld 8,36(1) \n" \
" ld 9,40(1) \n" \
" ld 10,44(1) \n" \
" addi 1,1,frame \n" \
" bctr");
#else
#ifdef __PIC__
#define _PLT "@plt"
#else
#define _PLT
#endif
#define MCOUNT \
__asm(" .globl _mcount \n" \
" .type _mcount,@function \n" \
"_mcount: \n" \
" stwu 1,-64(1) \n" \
" stw 3,16(1) \n" \
" stw 4,20(1) \n" \
" stw 5,24(1) \n" \
" stw 6,28(1) \n" \
" stw 7,32(1) \n" \
" stw 8,36(1) \n" \
" stw 9,40(1) \n" \
" stw 10,44(1) \n" \
" \n" \
" mflr 4 \n" \
" stw 4,48(1) \n" \
" lwz 3,68(1) \n" \
" bl __mcount" _PLT " \n" \
" lwz 3,68(1) \n" \
" mtlr 3 \n" \
" lwz 4,48(1) \n" \
" mtctr 4 \n" \
" \n" \
" lwz 3,16(1) \n" \
" lwz 4,20(1) \n" \
" lwz 5,24(1) \n" \
" lwz 6,28(1) \n" \
" lwz 7,32(1) \n" \
" lwz 8,36(1) \n" \
" lwz 9,40(1) \n" \
" lwz 10,44(1) \n" \
" addi 1,1,64 \n" \
" bctr \n" \
"_mcount_end: \n" \
" .size _mcount,_mcount_end-_mcount");
#endif
#ifdef _KERNEL
#ifdef PPC_BOOKE
#include <powerpc/booke/cpuvar.h>
#define MCOUNT_ENTER do s = wrtee(0); while (/*CONSTCOND*/ 0)
#define MCOUNT_EXIT wrtee(s)
#else
#include <powerpc/psl.h>
#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
#endif
