/*
- * 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@
* 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 */
* 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))
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