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#ifndef _M88K_PROFILE_H_
#define _M88K_PROFILE_H_
/* $OpenBSD: profile.h,v 1.7 2013/02/14 05:56:02 miod Exp $ */
/*
* Copyright (c) 2004, Miodrag Vallat.
*
* 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.
*
* 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
/*
* On OpenBSD, calls to the function profiler save r2-r9 on stack. The
* monitor point is found in r2. The function's return address is taken
* from the stack frame pointed to by r30, and needs to be restored as
* r1 hasn't have had a chance to be saved yet.
*/
#ifdef __PIC__
#define MCOUNT_SYMBOL "_mcount#plt"
#else
#define MCOUNT_SYMBOL "_mcount"
#endif
#define MCOUNT \
__asm__ (".text;" \
".align 3;" \
".globl __mcount;" \
".type __mcount,@function;" \
"__mcount:" \
" subu %r31, %r31, 16;" \
" st %r1, %r31, 4;" \
" bsr.n " MCOUNT_SYMBOL ";" \
" ld %r3, %r30, 4;" /* function return address */ \
" ld %r2, %r31, 4;" \
" addu %r31, %r31, 16;" \
" jmp.n %r2;" \
" ld %r1, %r30, 4;" /* restore r1 */ \
".size __mcount, .-__mcount");
#ifdef _KERNEL
#define MCOUNT_ENTER do { s = get_psr(); set_psr(s | PSR_IND); } while (0)
#define MCOUNT_EXIT set_psr(s)
#endif /* _KERNEL */
#endif /* _M88K_PROFILE_H_ */
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