From 8fc7e4a8b07832c0e3c82e682560bbcca8b6ff03 Mon Sep 17 00:00:00 2001
From: "Dale S. Rahn" <rahnds@cvs.openbsd.org>
Date: Sat, 4 Jul 1998 23:56:15 +0000
Subject: Profile support for powerpc port. Now profiling libraries and
 binaries can be built.

---
 sys/arch/powerpc/include/asm.h     | 26 +++++++++++---
 sys/arch/powerpc/include/profile.h | 74 +++++++++++++++++++++++++++++++++++++-
 2 files changed, 94 insertions(+), 6 deletions(-)

(limited to 'sys')

diff --git a/sys/arch/powerpc/include/asm.h b/sys/arch/powerpc/include/asm.h
index 5d38fb5fc5c..b97b7db5b51 100644
--- a/sys/arch/powerpc/include/asm.h
+++ b/sys/arch/powerpc/include/asm.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: asm.h,v 1.2 1996/12/28 06:09:16 rahnds Exp $	*/
+/*	$OpenBSD: asm.h,v 1.3 1998/07/04 23:56:13 rahnds Exp $	*/
 /*	$NetBSD: asm.h,v 1.1 1996/09/30 16:34:20 ws Exp $	*/
 
 /*
@@ -71,17 +71,33 @@
 #endif
 #define	_ASM_LABEL(x)	x
 
+#ifdef __STDC__
+# define _TMP_LABEL(x)	.L_ ## x
+#else
+# define _TMP_LABEL(x)	.L_/**/x
+#endif
+
 #define _ENTRY(x) \
 	.text; .align 2; .globl x; .type x,@function; x:
 
 #ifdef PROF
-# define _PROF_PROLOGUE	XXX
+# define _PROF_PROLOGUE(y)	\
+	.section ".data"; \
+	.align 2; \
+_TMP_LABEL(y):; \
+	.long 0; \
+	.section ".text"; \
+	mflr 0; \
+	addis 11, 11, _TMP_LABEL(y)@ha; \
+	stw 0, 4(1); \
+	addi 0, 11,_TMP_LABEL(y)@l; \
+	bl _mcount; 
 #else
-# define _PROF_PROLOGUE
+# define _PROF_PROLOGUE(y)
 #endif
 
-#define	ENTRY(y)	_ENTRY(_C_LABEL(y)); _PROF_PROLOGUE
-#define	ASENTRY(y)	_ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE
+#define	ENTRY(y)	_ENTRY(_C_LABEL(y)); _PROF_PROLOGUE(y)
+#define	ASENTRY(y)	_ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE(y)
 
 #define	ASMSTR		.asciz
 
diff --git a/sys/arch/powerpc/include/profile.h b/sys/arch/powerpc/include/profile.h
index 6e695ac70f7..1a2220e5385 100644
--- a/sys/arch/powerpc/include/profile.h
+++ b/sys/arch/powerpc/include/profile.h
@@ -1 +1,73 @@
-#define	MCOUNT
+/*	$OpenBSD: profile.h,v 1.2 1998/07/04 23:56:14 rahnds Exp $ */
+
+/*
+ * Copyright (c) 1998 Dale Rahn. 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Dale Rahn.
+ * 4. 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 \
+	__asm__(" \
+		.section \".text\" \n\
+		.align 2 \n\
+		.globl _mcount \n\
+		.type	_mcount,@function \n\
+	_mcount: \n\
+		lwz	11, 4(1) \n\
+		mflr	0 \n\
+		stw	0, 4(1) \n\
+		stwu	1, -48(1) \n\
+		stw	3, 8(1) \n\
+		stw	4, 12(1) \n\
+		stw	5, 16(1) \n\
+		stw	6, 20(1) \n\
+		stw	7, 24(1) \n\
+		stw	8, 28(1) \n\
+		stw	9, 32(1) \n\
+		stw	10,36(1) \n\
+		stw	11,40(1) \n\
+		mr	4, 0 \n\
+		mr 	3, 11 \n\
+		bl __mcount \n\
+		lwz	3, 8(1) \n\
+		lwz	4, 12(1) \n\
+		lwz	5, 16(1) \n\
+		lwz	6, 20(1) \n\
+		lwz	7, 24(1) \n\
+		lwz	8, 28(1) \n\
+		lwz	9, 32(1) \n\
+		lwz	10,36(1) \n\
+		lwz	11,40(1) \n\
+		addi	1, 1, 48 \n\
+		lwz	0, 4(1) \n\
+		mtlr	11 \n\
+		stw	11, 4(1) \n\
+		mtctr	0 \n\
+		bctr \n\
+	.Lfe2: \n\
+		.size _mcount, .Lfe2-_mcount \n\
+	");
+#define _MCOUNT_DECL static __mcount
-- 
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