/*
* Copyright (c) 2003 Apple Computer, 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@
*/
#include <sys/appleapiopts.h>
.text
.align 2
- .globl EXT(pthread_getspecific_sprg3)
- .globl EXT(pthread_getspecific_uftrap)
- .globl EXT(pthread_self_sprg3)
- .globl EXT(pthread_self_uftrap)
#define USER_SPRG3 259 // user-mode-readable encoding for SPRG3
-// *****************************************************
-// * P T H R E A D _ G E T S P E C I F I C _ S P R G 3 *
-// *****************************************************
+// ***********************************************************
+// * P T H R E A D _ G E T S P E C I F I C _ S P R G 3 _ 3 2 *
+// ***********************************************************
//
-// For processors with user-readable SPRG3. Called with:
+// For processors with user-readable SPRG3, in 32-bit mode. Called with:
// r3 = word number
// r4 = offset to thread specific data (_PTHREAD_TSD_OFFSET)
-pthread_getspecific_sprg3:
+pthread_getspecific_sprg3_32:
slwi r5,r3,2 // convert word# to byte offset
mfspr r3,USER_SPRG3 // get per-thread cookie
add r5,r5,r4 // add in offset to first word
lwzx r3,r3,r5 // get the thread-specific word
blr
- COMMPAGE_DESCRIPTOR(pthread_getspecific_sprg3,_COMM_PAGE_PTHREAD_GETSPECIFIC,k64Bit,0,0)
+ COMMPAGE_DESCRIPTOR(pthread_getspecific_sprg3_32,_COMM_PAGE_PTHREAD_GETSPECIFIC,k64Bit,0,kCommPage32)
+
+
+// ***********************************************************
+// * P T H R E A D _ G E T S P E C I F I C _ S P R G 3 _ 6 4 *
+// ***********************************************************
+//
+// For processors with user-readable SPRG3, in 64-bit mode. This may not be used
+// because the 64-bit ABI uses r13 for the thread-local-data pointer. Called with:
+// r3 = word number
+// r4 = offset to thread specific data (_PTHREAD_TSD_OFFSET)
+
+pthread_getspecific_sprg3_64:
+ sldi r5,r3,3 // convert double-word# to byte offset
+ mfspr r3,USER_SPRG3 // get per-thread cookie
+ add r5,r5,r4 // add in offset to first word
+ ldx r3,r3,r5 // get the thread-specific doubleword
+ blr
+
+ COMMPAGE_DESCRIPTOR(pthread_getspecific_sprg3_64,_COMM_PAGE_PTHREAD_GETSPECIFIC,k64Bit,0,kCommPage64)
// ***************************************
// * P T H R E A D _ S E L F _ S P R G 3 *
// ***************************************
//
-// For processors with user-readable SPRG3.
+// For processors with user-readable SPRG3. Useable both in 32 and 64-bit modes.
pthread_self_sprg3:
mfspr r3,USER_SPRG3 // get per-thread cookie
blr
- COMMPAGE_DESCRIPTOR(pthread_self_sprg3,_COMM_PAGE_PTHREAD_SELF,k64Bit,0,0)
+ COMMPAGE_DESCRIPTOR(pthread_self_sprg3,_COMM_PAGE_PTHREAD_SELF,k64Bit,0,kCommPageBoth)
// *******************************************************
lwzx r3,r3,r5 // get the thread-specific word
blr
- COMMPAGE_DESCRIPTOR(pthread_getspecific_uftrap,_COMM_PAGE_PTHREAD_GETSPECIFIC,0,k64Bit,0)
+ COMMPAGE_DESCRIPTOR(pthread_getspecific_uftrap,_COMM_PAGE_PTHREAD_GETSPECIFIC,0,k64Bit,kCommPage32)
// *****************************************
sc // get r3==TLDP
blr
- COMMPAGE_DESCRIPTOR(pthread_self_uftrap,_COMM_PAGE_PTHREAD_SELF,0,k64Bit,0)
+ COMMPAGE_DESCRIPTOR(pthread_self_uftrap,_COMM_PAGE_PTHREAD_SELF,0,k64Bit,kCommPage32)
projects / apple / xnu.git / blobdiff