1 files changed, 172 insertions, 0 deletions

diff --git a/sys/mips/include/profile.h b/sys/mips/include/profile.h
new file mode 100644
index 000000000000..9659d1fa87d8
--- /dev/null
+++ b/sys/mips/include/profile.h
@@ -0,0 +1,172 @@
+/*	$OpenBSD: profile.h,v 1.2 1999/01/27 04:46:05 imp Exp $ */
+/*-
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ *
+ *	from: @(#)profile.h	8.1 (Berkeley) 6/10/93
+ *	JNPR: profile.h,v 1.4 2006/12/02 09:53:41 katta
+ * $FreeBSD$
+ */
+#ifndef _MACHINE_PROFILE_H_
+#define	_MACHINE_PROFILE_H_
+
+#define	_MCOUNT_DECL void ___mcount
+
+/*XXX The cprestore instruction is a "dummy" to shut up as(1). */
+
+#define	MCOUNT \
+	__asm(".globl _mcount;"		\
+	".type _mcount,@function;"	\
+	"_mcount:;"			\
+	".set noreorder;"		\
+	".set noat;"			\
+	".cpload $25;"			\
+	".cprestore 4;"			\
+	"sw $4,8($29);"			\
+	"sw $5,12($29);"		\
+	"sw $6,16($29);"		\
+	"sw $7,20($29);"		\
+	"sw $1,0($29);"			\
+	"sw $31,4($29);"		\
+	"move $5,$31;"			\
+	"jal ___mcount;"		\
+	"move $4,$1;"			\
+	"lw $4,8($29);"			\
+	"lw $5,12($29);"		\
+	"lw $6,16($29);"		\
+	"lw $7,20($29);"		\
+	"lw $31,4($29);"		\
+	"lw $1,0($29);"			\
+	"addu $29,$29,8;"		\
+	"j $31;"			\
+	"move $31,$1;"			\
+	".set reorder;"			\
+	".set at");
+
+#ifdef _KERNEL
+/*
+ * The following two macros do splhigh and splx respectively.
+ * They have to be defined this way because these are real
+ * functions on the MIPS, and we do not want to invoke mcount
+ * recursively.
+ */
+
+#define	MCOUNT_DECL(s)	u_long s;
+#ifdef SMP
+extern int	mcount_lock;
+#define	MCOUNT_ENTER(s)	{					\
+	s = disable_intr();					\
+	while (!atomic_cmpset_acq_int(&mcount_lock, 0, 1))	\
+		/* nothing */ ;					\
+}
+#define	MCOUNT_EXIT(s)	{					\
+	atomic_store_rel_int(&mcount_lock, 0);			\
+	enableintr(s);						\
+}
+#else
+#define	MCOUNT_ENTER(s)	{ s = disable_intr(); }
+#define	MCOUNT_EXIT(s)	(enableintr(s))
+#endif
+
+/* REVISIT for mips */
+/*
+ * Config generates something to tell the compiler to align functions on 16
+ * byte boundaries.  A strict alignment is good for keeping the tables small.
+ */
+#define	FUNCTION_ALIGNMENT	16
+
+#ifdef GUPROF
+struct gmonparam;
+void	stopguprof __P((struct gmonparam *p));
+#else
+#define	stopguprof(p)
+#endif /* GUPROF */
+
+#else	/* !_KERNEL */
+
+#define	FUNCTION_ALIGNMENT	4
+
+typedef unsigned int	uintfptr_t;
+
+#endif /* _KERNEL */
+
+/*
+ * An unsigned integral type that can hold non-negative difference between
+ * function pointers.
+ */
+typedef u_int	fptrdiff_t;
+
+#ifdef _KERNEL
+
+void	mcount(uintfptr_t frompc, uintfptr_t selfpc);
+
+#ifdef GUPROF
+struct gmonparam;
+
+void	nullfunc_loop_profiled(void);
+void	nullfunc_profiled(void);
+void	startguprof(struct gmonparam *p);
+void	stopguprof(struct gmonparam *p);
+#else
+#define	startguprof(p)
+#define	stopguprof(p)
+#endif /* GUPROF */
+
+#else /* !_KERNEL */
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+#ifdef __GNUC__
+#ifdef __ELF__
+void	mcount(void) __asm(".mcount");
+#else
+void	mcount(void) __asm("mcount");
+#endif
+#endif
+void	_mcount(uintfptr_t frompc, uintfptr_t selfpc);
+__END_DECLS
+
+#endif /* _KERNEL */
+
+#ifdef GUPROF
+/* XXX doesn't quite work outside kernel yet. */
+extern int	cputime_bias;
+
+__BEGIN_DECLS
+int	cputime(void);
+void	empty_loop(void);
+void	mexitcount(uintfptr_t selfpc);
+void	nullfunc(void);
+void	nullfunc_loop(void);
+__END_DECLS
+#endif
+
+#endif /* !_MACHINE_PROFILE_H_ */