+/*
+ * Copyright (c) 2003-2004, 2008 Apple Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * 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. 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
/*
* Copyright 1996 1995 by Open Software Foundation, Inc. 1997 1996 1995 1994 1993 1992 1991
* All Rights Reserved
/* Machine-dependent definitions for pthread internals. */
-typedef long pthread_lock_t;
+#ifndef _POSIX_PTHREAD_MACHDEP_H
+#define _POSIX_PTHREAD_MACHDEP_H
+
+#ifdef __LP64__
+#define _PTHREAD_TSD_OFFSET 0x60
+#else
+#define _PTHREAD_TSD_OFFSET 0x48
+#endif /* __LP64__ */
+
+#ifndef __ASSEMBLER__
+
+#include <System/machine/cpu_capabilities.h>
+#ifdef __arm__
+#include <arm/arch.h>
+#endif
+
+/*
+** Define macros for inline pthread_getspecific() usage.
+** We reserve a number of slots for Apple internal use.
+** This number can grow dynamically, no need to fix it.
+*/
+
+/* This header contains pre defined thread specific keys */
+/* 0 is used for pthread_self */
+#define _PTHREAD_TSD_SLOT_PTHREAD_SELF 0
+/* Keys 1- 9 for use by dyld, directly or indirectly */
+#define _PTHREAD_TSD_SLOT_DYLD_1 1
+#define _PTHREAD_TSD_SLOT_DYLD_2 2
+#define _PTHREAD_TSD_SLOT_DYLD_3 3
+#define _PTHREAD_TSD_RESERVED_SLOT_COUNT 4
+
+/* Keys 10 - 29 are for Libc/Libsystem internal ussage */
+/* used as __pthread_tsd_first + Num */
+#define __PTK_LIBC_LOCALE_KEY 10
+#define __PTK_LIBC_TTYNAME_KEY 11
+#define __PTK_LIBC_LOCALTIME_KEY 12
+#define __PTK_LIBC_GMTIME_KEY 13
+#define __PTK_LIBC_GDTOA_BIGINT_KEY 14
+#define __PTK_LIBC_PARSEFLOAT_KEY 15
+
+/* Keys 20-25 for libdispactch usage */
+#define __PTK_LIBDISPATCH_KEY0 20
+#define __PTK_LIBDISPATCH_KEY1 21
+#define __PTK_LIBDISPATCH_KEY2 22
+#define __PTK_LIBDISPATCH_KEY3 23
+#define __PTK_LIBDISPATCH_KEY4 24
+#define __PTK_LIBDISPATCH_KEY5 25
+
+/* Keys 30-255 for Non Libsystem usage */
+
+/* Keys 30-39 for Graphic frameworks usage */
+#define _PTHREAD_TSD_SLOT_OPENGL 30 /* backwards compat sake */
+#define __PTK_FRAMEWORK_OPENGL_KEY 30
+#define __PTK_FRAMEWORK_GRAPHICS_KEY1 31
+#define __PTK_FRAMEWORK_GRAPHICS_KEY2 32
+#define __PTK_FRAMEWORK_GRAPHICS_KEY3 33
+#define __PTK_FRAMEWORK_GRAPHICS_KEY4 34
+#define __PTK_FRAMEWORK_GRAPHICS_KEY5 35
+#define __PTK_FRAMEWORK_GRAPHICS_KEY6 36
+#define __PTK_FRAMEWORK_GRAPHICS_KEY7 37
+#define __PTK_FRAMEWORK_GRAPHICS_KEY8 38
+#define __PTK_FRAMEWORK_GRAPHICS_KEY9 39
+
+/* Keys 40-49 for Objective-C runtime usage */
+#define __PTK_FRAMEWORK_OBJC_KEY0 40
+#define __PTK_FRAMEWORK_OBJC_KEY1 41
+#define __PTK_FRAMEWORK_OBJC_KEY2 42
+#define __PTK_FRAMEWORK_OBJC_KEY3 43
+#define __PTK_FRAMEWORK_OBJC_KEY4 44
+#define __PTK_FRAMEWORK_OBJC_KEY5 45
+#define __PTK_FRAMEWORK_OBJC_KEY6 46
+#define __PTK_FRAMEWORK_OBJC_KEY7 47
+#define __PTK_FRAMEWORK_OBJC_KEY8 48
+#define __PTK_FRAMEWORK_OBJC_KEY9 49
+
+/* Keys 50-59 for Core Foundation usage */
+#define __PTK_FRAMEWORK_COREFOUNDATION_KEY0 50
+#define __PTK_FRAMEWORK_COREFOUNDATION_KEY1 51
+#define __PTK_FRAMEWORK_COREFOUNDATION_KEY2 52
+#define __PTK_FRAMEWORK_COREFOUNDATION_KEY3 53
+#define __PTK_FRAMEWORK_COREFOUNDATION_KEY4 54
+#define __PTK_FRAMEWORK_COREFOUNDATION_KEY5 55
+#define __PTK_FRAMEWORK_COREFOUNDATION_KEY6 56
+#define __PTK_FRAMEWORK_COREFOUNDATION_KEY7 57
+#define __PTK_FRAMEWORK_COREFOUNDATION_KEY8 58
+#define __PTK_FRAMEWORK_COREFOUNDATION_KEY9 59
+
+/* Keys 60-69 for Foundation usage */
+#define __PTK_FRAMEWORK_FOUNDATION_KEY0 60
+#define __PTK_FRAMEWORK_FOUNDATION_KEY1 61
+#define __PTK_FRAMEWORK_FOUNDATION_KEY2 62
+#define __PTK_FRAMEWORK_FOUNDATION_KEY3 63
+#define __PTK_FRAMEWORK_FOUNDATION_KEY4 64
+#define __PTK_FRAMEWORK_FOUNDATION_KEY5 65
+#define __PTK_FRAMEWORK_FOUNDATION_KEY6 66
+#define __PTK_FRAMEWORK_FOUNDATION_KEY7 67
+#define __PTK_FRAMEWORK_FOUNDATION_KEY8 68
+#define __PTK_FRAMEWORK_FOUNDATION_KEY9 69
+
+/* Keys 70-79 for Core Animation/QuartzCore usage */
+#define __PTK_FRAMEWORK_QUARTZCORE_KEY0 70
+#define __PTK_FRAMEWORK_QUARTZCORE_KEY1 71
+#define __PTK_FRAMEWORK_QUARTZCORE_KEY2 72
+#define __PTK_FRAMEWORK_QUARTZCORE_KEY3 73
+#define __PTK_FRAMEWORK_QUARTZCORE_KEY4 74
+#define __PTK_FRAMEWORK_QUARTZCORE_KEY5 75
+#define __PTK_FRAMEWORK_QUARTZCORE_KEY6 76
+#define __PTK_FRAMEWORK_QUARTZCORE_KEY7 77
+#define __PTK_FRAMEWORK_QUARTZCORE_KEY8 78
+#define __PTK_FRAMEWORK_QUARTZCORE_KEY9 79
+
+
+/* Keys 80-89 for Garbage Collection */
+#define __PTK_FRAMEWORK_GC_KEY0 80
+#define __PTK_FRAMEWORK_GC_KEY1 81
+#define __PTK_FRAMEWORK_GC_KEY2 82
+#define __PTK_FRAMEWORK_GC_KEY3 83
+#define __PTK_FRAMEWORK_GC_KEY4 84
+#define __PTK_FRAMEWORK_GC_KEY5 85
+#define __PTK_FRAMEWORK_GC_KEY6 86
+#define __PTK_FRAMEWORK_GC_KEY7 87
+#define __PTK_FRAMEWORK_GC_KEY8 88
+#define __PTK_FRAMEWORK_GC_KEY9 89
+
+
+/*
+** Define macros for inline pthread_getspecific() usage.
+** We reserve a number of slots for Apple internal use.
+** This number can grow dynamically, no need to fix it.
+*/
+
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+extern void *pthread_getspecific(unsigned long);
+/* setup destructor function for static key as it is not created with pthread_key_create() */
+int pthread_key_init_np(int, void (*)(void *));
+
+#if defined(__cplusplus)
+}
+#endif
+
+typedef int pthread_lock_t;
+
+inline static int
+_pthread_has_direct_tsd(void)
+{
+#if defined(__ppc__)
+ int *caps = (int *)_COMM_PAGE_CPU_CAPABILITIES;
+ if (*caps & kFastThreadLocalStorage) {
+ return 1;
+ } else {
+ return 0;
+ }
+#elif defined(__arm__) && defined(__thumb__) && defined(_ARM_ARCH_6) && !defined(_ARM_ARCH_7)
+ return 0;
+#else
+ return 1;
+#endif
+}
+
+/* To be used with static constant keys only */
+inline static void *
+_pthread_getspecific_direct(unsigned long slot)
+{
+ void *ret;
+#if defined(__i386__) || defined(__x86_64__)
+#if defined(__OPTIMIZE__)
+ asm volatile("mov %%gs:%P1, %0" : "=r" (ret) : "i" (slot * sizeof(void *) + _PTHREAD_TSD_OFFSET));
+#else
+ asm("mov %%gs:%P2(,%1,%P3), %0" : "=r" (ret) : "r" (slot), "i" (_PTHREAD_TSD_OFFSET), "i" (sizeof (void *)));
+#endif
+#elif defined(__ppc__)
+ void **__pthread_tsd;
+ asm volatile("mfspr %0, 259" : "=r" (__pthread_tsd));
+ ret = __pthread_tsd[slot + (_PTHREAD_TSD_OFFSET / sizeof(void *))];
+#elif defined(__ppc64__)
+ register void **__pthread_tsd asm ("r13");
+ ret = __pthread_tsd[slot + (_PTHREAD_TSD_OFFSET / sizeof(void *))];
+#elif defined(__arm__) && defined(_ARM_ARCH_6)
+ void **__pthread_tsd;
+ __asm__ ("mrc p15, 0, %0, c13, c0, 3" : "=r"(__pthread_tsd));
+ ret = __pthread_tsd[slot + (_PTHREAD_TSD_OFFSET / sizeof(void *))];
+#elif defined(__arm__) && !defined(_ARM_ARCH_6)
+ register void **__pthread_tsd asm ("r9");
+ ret = __pthread_tsd[slot + (_PTHREAD_TSD_OFFSET / sizeof(void *))];
+#else
+#error no pthread_getspecific_direct implementation for this arch
+#endif
+ return ret;
+}
+
+/* To be used with static constant keys only */
+#define _pthread_setspecific_direct(key, val) pthread_setspecific(key, val)
#define LOCK_INIT(l) ((l) = 0)
#define LOCK_INITIALIZER 0
-#undef STACK_GROWS_UP
+#endif /* ! __ASSEMBLER__ */
+#endif /* _POSIX_PTHREAD_MACHDEP_H */
projects / apple / libc.git / blobdiff