X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/e5568f75972dfc723778653c11cb6b4dc825716a..39236c6e673c41db228275375ab7fdb0f837b292:/osfmk/profiling/i386/profile-md.h

diff --git a/osfmk/profiling/i386/profile-md.h b/osfmk/profiling/i386/profile-md.h
index 6b60d5ee2..86ed5b023 100644
--- a/osfmk/profiling/i386/profile-md.h
+++ b/osfmk/profiling/i386/profile-md.h
@@ -1,23 +1,29 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -151,8 +157,13 @@
  * Integer types used.
  */
 
-typedef	long		prof_ptrint_t;	/* hold either pointer or signed int */
-typedef	unsigned long	prof_uptrint_t;	/* hold either pointer or unsigned int */
+/*
+ * These hold either a pointer or a signed/unsigned int.
+ * They are 32 bit on i386 and 64 bit on x86_64.
+ */
+typedef	long		prof_ptrint_t;
+typedef	unsigned long	prof_uptrint_t;
+
 typedef	long		prof_lock_t;	/* lock word type */
 typedef unsigned char	prof_flag_t;	/* type for boolean flags */
 
@@ -160,48 +171,15 @@ typedef unsigned char	prof_flag_t;	/* type for boolean flags */
  * Double precision counter.
  */
 
-typedef struct prof_cnt_t {
-	prof_uptrint_t	low;		/* low 32 bits of counter */
-	prof_uptrint_t	high;		/* high 32 bits of counter */
-} prof_cnt_t;
-
-#if defined(__GNUC__) && !defined(lint)
-#define PROF_CNT_INC(cnt)					\
-	__asm__("addl $1,%0; adcl $0,%1"			\
-		: "=g" ((cnt).low), "=g" ((cnt).high)		\
-		: "0" ((cnt).low), "1" ((cnt).high))
-
-#define PROF_CNT_ADD(cnt,val)					\
-	__asm__("addl %2,%0; adcl $0,%1"			\
-		: "=g,r" ((cnt).low), "=g,r" ((cnt).high)	\
-		: "r,g" ((unsigned long)(val)),			\
-		"0,0" ((cnt).low), "1,1" ((cnt).high))
-
-#define PROF_CNT_LADD(cnt,val)					\
-	__asm__("addl %2,%0; adcl %3,%1"			\
-		: "=g,r" ((cnt).low), "=g,r" ((cnt).high)	\
-		: "r,g" ((val).low), "r,g" ((val).high),	\
-		"0,0" ((cnt).low), "1,1" ((cnt).high))
-
-#define PROF_CNT_SUB(cnt,val)					\
-	__asm__("subl %2,%0; sbbl $0,%1"			\
-		: "=g,r" ((cnt).low), "=g,r" ((cnt).high)	\
-		: "r,g" ((unsigned long)(val)),			\
-		"0,0" ((cnt).low), "1,1" ((cnt).high))
-
-#define PROF_CNT_LSUB(cnt,val)					\
-	__asm__("subl %2,%0; sbbl %3,%1"			\
-		: "=g,r" ((cnt).low), "=g,r" ((cnt).high)	\
-		: "r,g" ((val).low), "r,g" ((val).high),	\
-		"0,0" ((cnt).low), "1,1" ((cnt).high))
-
-#else
-#define PROF_CNT_INC(cnt)	((++((cnt).low) == 0) ? ++((cnt).high) : 0)
-#define PROF_CNT_ADD(cnt,val)	(((((cnt).low + (val)) < (val)) ? ((cnt).high++) : 0), ((cnt).low += (val)))
-#define PROF_CNT_LADD(cnt,val)	(PROF_CNT_ADD(cnt,(val).low), (cnt).high += (val).high)
-#define PROF_CNT_SUB(cnt,val)	(((((cnt).low - (val)) > (cnt).low) ? ((cnt).high--) : 0), ((cnt).low -= (val)))
-#define PROF_CNT_LSUB(cnt,val)	(PROF_CNT_SUB(cnt,(val).low), (cnt).high -= (val).high)
-#endif
+/* These are 64 bit on both i386 and x86_64 */
+typedef unsigned long prof_cnt_t;
+
+/* x86_64 */
+#define PROF_CNT_INC(cnt)	(cnt++)
+#define PROF_CNT_ADD(cnt,val)	(cnt+=val)
+#define PROF_CNT_LADD(cnt,val)	(cnt+=val)
+#define PROF_CNT_SUB(cnt,val)	(cnt-=val)
+#define PROF_CNT_LSUB(cnt,val)	(cnt-=val)
 
 #define PROF_ULONG_TO_CNT(cnt,val)	(((cnt).high = 0), ((cnt).low = val))
 #define	PROF_CNT_OVERFLOW(cnt,high,low)	(((high) = (cnt).high), ((low) = (cnt).low))