[cycript.git] / include / pthread_machdep.h

/*
 * 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 
 *  
 * Permission to use, copy, modify, and distribute this software and 
 * its documentation for any purpose and without fee is hereby granted, 
 * provided that the above copyright notice appears in all copies and 
 * that both the copyright notice and this permission notice appear in 
 * supporting documentation. 
 *  
 * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE 
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
 * FOR A PARTICULAR PURPOSE. 
 *  
 * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR 
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, 
 * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION 
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 
 */
/*
 * MkLinux
 */

/* Machine-dependent definitions for pthread internals. */

#ifndef _POSIX_PTHREAD_MACHDEP_H
#define _POSIX_PTHREAD_MACHDEP_H

#ifndef __ASSEMBLER__

#include <System/machine/cpu_capabilities.h>
#ifdef __arm__
#include <arm/arch.h>
#endif
#include <TargetConditionals.h>

/*
** 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
/* To mirror the usage by dyld for Unwind_SjLj */
#define _PTHREAD_TSD_SLOT_DYLD_8		8

/* 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
/* for usage by dyld */
#define __PTK_LIBC_DYLD_Unwind_SjLj_Key	18

/* 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_OLDGC_KEY0		80
#define __PTK_FRAMEWORK_OLDGC_KEY1		81
#define __PTK_FRAMEWORK_OLDGC_KEY2		82
#define __PTK_FRAMEWORK_OLDGC_KEY3		83
#define __PTK_FRAMEWORK_OLDGC_KEY4		84
#define __PTK_FRAMEWORK_OLDGC_KEY5		85
#define __PTK_FRAMEWORK_OLDGC_KEY6		86
#define __PTK_FRAMEWORK_OLDGC_KEY7		87
#define __PTK_FRAMEWORK_OLDGC_KEY8		88
#define __PTK_FRAMEWORK_OLDGC_KEY9		89

/* Keys 90-94 for JavaScriptCore Collection */
#define __PTK_FRAMEWORK_JAVASCRIPTCORE_KEY0		90
#define __PTK_FRAMEWORK_JAVASCRIPTCORE_KEY1		91
#define __PTK_FRAMEWORK_JAVASCRIPTCORE_KEY2		92
#define __PTK_FRAMEWORK_JAVASCRIPTCORE_KEY3		93
#define __PTK_FRAMEWORK_JAVASCRIPTCORE_KEY4		94

/* Keys 110-119 for Garbage Collection */
#define __PTK_FRAMEWORK_GC_KEY0		110
#define __PTK_FRAMEWORK_GC_KEY1		111
#define __PTK_FRAMEWORK_GC_KEY2		112
#define __PTK_FRAMEWORK_GC_KEY3		113
#define __PTK_FRAMEWORK_GC_KEY4		114
#define __PTK_FRAMEWORK_GC_KEY5		115
#define __PTK_FRAMEWORK_GC_KEY6		116
#define __PTK_FRAMEWORK_GC_KEY7		117
#define __PTK_FRAMEWORK_GC_KEY8		118
#define __PTK_FRAMEWORK_GC_KEY9		119

/*
** 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;

#if TARGET_IPHONE_SIMULATOR

/* Similator will use the host implementation, so bypass the macro that is in the target code */

inline static int
_pthread_has_direct_tsd(void)
{
	return 0;
}
	
#define _pthread_getspecific_direct(key) pthread_getspecific(key)
#define _pthread_setspecific_direct(key, val) pthread_setspecific(key, val)

#else /* TARGET_IPHONE_SIMULATOR */

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;
	}
#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__)
	asm("mov %%gs:%1, %0" : "=r" (ret) : "m" (*(void **)(slot * sizeof(void *))));
#elif defined(__ppc64__) || defined(__ppc__)
	ret = pthread_getspecific(slot);
#elif defined(__arm__) && defined(_ARM_ARCH_6) && !defined(_ARM_ARCH_7) && defined(__thumb__) && !defined(__OPTIMIZE__)
        ret = pthread_getspecific(slot);
#elif defined(__arm__) && defined(_ARM_ARCH_6)
        void **__pthread_tsd;
        __asm__ (
		"mrc p15, 0, %0, c13, c0, 3\n"
		"bic %0, %0, #3\n"
		: "=r"(__pthread_tsd));
        ret = __pthread_tsd[slot];
#elif defined(__arm__) && !defined(_ARM_ARCH_6)
        register void **__pthread_tsd asm ("r9");
        ret = __pthread_tsd[slot];
#else     
#error no pthread_getspecific_direct implementation for this arch
#endif
        return ret;
}

#if  defined(__i386__) || defined(__x86_64__) || defined(__arm__)
/* To be used with static constant keys only */
inline static int
_pthread_setspecific_direct(unsigned long slot, void * val) 
{

#if defined(__i386__)
#if defined(__PIC__)
	asm("movl %1,%%gs:%0" : "=m" (*(void **)(slot * sizeof(void *))) : "rn" (val));
#else
	asm("movl %1,%%gs:%0" : "=m" (*(void **)(slot * sizeof(void *))) : "ri" (val));
#endif
#elif defined(__x86_64__)
	/* PIC is free and cannot be disabled, even with: gcc -mdynamic-no-pic ... */
	asm("movq %1,%%gs:%0" : "=m" (*(void **)(slot * sizeof(void *))) : "rn" (val));
#elif defined(__arm__) && defined(_ARM_ARCH_6)
        void **__pthread_tsd;
        __asm__ (
		"mrc p15, 0, %0, c13, c0, 3\n"
		"bic %0, %0, #3\n"
		: "=r"(__pthread_tsd));
        __pthread_tsd[slot] = val;
#elif defined(__arm__) && !defined(_ARM_ARCH_6)
	register void **__pthread_tsd asm ("r9");
	__pthread_tsd[slot] = val;
#endif
	return(0);
}
#elif defined(__ppc__)  || defined(__ppc64__)
/* To be used with static constant keys only */
#define _pthread_setspecific_direct(key, val) pthread_setspecific(key, val)
#else
#error no pthread_setspecific_direct implementation for this arch
#endif

#endif /* TARGET_IPHONE_SIMULATOR */

#define LOCK_INIT(l)	((l) = 0)
#define LOCK_INITIALIZER 0

#endif /* ! __ASSEMBLER__ */
#endif /* _POSIX_PTHREAD_MACHDEP_H */
Commit	Line	Data
7c6c5b0a JF	1	/*
	2	* Copyright (c) 2003-2004, 2008 Apple Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. Please obtain a copy of the License at
	10	* http://www.opensource.apple.com/apsl/ and read it before using this
	11	* file.
	12	*
	13	* The Original Code and all software distributed under the License are
	14	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	15	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	16	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	18	* Please see the License for the specific language governing rights and
	19	* limitations under the License.
	20	*
	21	* @APPLE_LICENSE_HEADER_END@
	22	*/
	23	/*
	24	* Copyright 1996 1995 by Open Software Foundation, Inc. 1997 1996 1995 1994 1993 1992 1991
	25	* All Rights Reserved
	26	*
	27	* Permission to use, copy, modify, and distribute this software and
	28	* its documentation for any purpose and without fee is hereby granted,
	29	* provided that the above copyright notice appears in all copies and
	30	* that both the copyright notice and this permission notice appear in
	31	* supporting documentation.
	32	*
	33	* OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
	34	* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
	35	* FOR A PARTICULAR PURPOSE.
	36	*
	37	* IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
	38	* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
	39	* LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
	40	* NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
	41	* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	42	*/
	43	/*
	44	* MkLinux
	45	*/
	46
	47	/* Machine-dependent definitions for pthread internals. */
	48
	49	#ifndef _POSIX_PTHREAD_MACHDEP_H
	50	#define _POSIX_PTHREAD_MACHDEP_H
	51
7c6c5b0a JF	52	#ifndef __ASSEMBLER__
	53
	54	#include <System/machine/cpu_capabilities.h>
	55	#ifdef __arm__
	56	#include <arm/arch.h>
	57	#endif
3615a2f7	58	#include <TargetConditionals.h>
7c6c5b0a JF	59
	60	/*
	61	** Define macros for inline pthread_getspecific() usage.
	62	** We reserve a number of slots for Apple internal use.
	63	** This number can grow dynamically, no need to fix it.
	64	*/
	65
	66	/* This header contains pre defined thread specific keys */
	67	/* 0 is used for pthread_self */
	68	#define _PTHREAD_TSD_SLOT_PTHREAD_SELF 0
	69	/* Keys 1- 9 for use by dyld, directly or indirectly */
	70	#define _PTHREAD_TSD_SLOT_DYLD_1 1
	71	#define _PTHREAD_TSD_SLOT_DYLD_2 2
	72	#define _PTHREAD_TSD_SLOT_DYLD_3 3
	73	#define _PTHREAD_TSD_RESERVED_SLOT_COUNT 4
3615a2f7 JF	74	/* To mirror the usage by dyld for Unwind_SjLj */
3615a2f7 JF	75	#define _PTHREAD_TSD_SLOT_DYLD_8 8
7c6c5b0a JF	76
	77	/* Keys 10 - 29 are for Libc/Libsystem internal ussage */
	78	/* used as __pthread_tsd_first + Num */
	79	#define __PTK_LIBC_LOCALE_KEY 10
	80	#define __PTK_LIBC_TTYNAME_KEY 11
	81	#define __PTK_LIBC_LOCALTIME_KEY 12
	82	#define __PTK_LIBC_GMTIME_KEY 13
	83	#define __PTK_LIBC_GDTOA_BIGINT_KEY 14
	84	#define __PTK_LIBC_PARSEFLOAT_KEY 15
3615a2f7 JF	85	/* for usage by dyld */
3615a2f7 JF	86	#define __PTK_LIBC_DYLD_Unwind_SjLj_Key 18
7c6c5b0a JF	87
	88	/* Keys 20-25 for libdispactch usage */
	89	#define __PTK_LIBDISPATCH_KEY0 20
	90	#define __PTK_LIBDISPATCH_KEY1 21
	91	#define __PTK_LIBDISPATCH_KEY2 22
	92	#define __PTK_LIBDISPATCH_KEY3 23
	93	#define __PTK_LIBDISPATCH_KEY4 24
	94	#define __PTK_LIBDISPATCH_KEY5 25
	95
	96	/* Keys 30-255 for Non Libsystem usage */
	97
	98	/* Keys 30-39 for Graphic frameworks usage */
	99	#define _PTHREAD_TSD_SLOT_OPENGL 30 /* backwards compat sake */
	100	#define __PTK_FRAMEWORK_OPENGL_KEY 30
	101	#define __PTK_FRAMEWORK_GRAPHICS_KEY1 31
	102	#define __PTK_FRAMEWORK_GRAPHICS_KEY2 32
	103	#define __PTK_FRAMEWORK_GRAPHICS_KEY3 33
	104	#define __PTK_FRAMEWORK_GRAPHICS_KEY4 34
	105	#define __PTK_FRAMEWORK_GRAPHICS_KEY5 35
	106	#define __PTK_FRAMEWORK_GRAPHICS_KEY6 36
	107	#define __PTK_FRAMEWORK_GRAPHICS_KEY7 37
	108	#define __PTK_FRAMEWORK_GRAPHICS_KEY8 38
	109	#define __PTK_FRAMEWORK_GRAPHICS_KEY9 39
	110
	111	/* Keys 40-49 for Objective-C runtime usage */
	112	#define __PTK_FRAMEWORK_OBJC_KEY0 40
	113	#define __PTK_FRAMEWORK_OBJC_KEY1 41
	114	#define __PTK_FRAMEWORK_OBJC_KEY2 42
	115	#define __PTK_FRAMEWORK_OBJC_KEY3 43
	116	#define __PTK_FRAMEWORK_OBJC_KEY4 44
	117	#define __PTK_FRAMEWORK_OBJC_KEY5 45
	118	#define __PTK_FRAMEWORK_OBJC_KEY6 46
	119	#define __PTK_FRAMEWORK_OBJC_KEY7 47
	120	#define __PTK_FRAMEWORK_OBJC_KEY8 48
	121	#define __PTK_FRAMEWORK_OBJC_KEY9 49
	122
	123	/* Keys 50-59 for Core Foundation usage */
	124	#define __PTK_FRAMEWORK_COREFOUNDATION_KEY0 50
	125	#define __PTK_FRAMEWORK_COREFOUNDATION_KEY1 51
	126	#define __PTK_FRAMEWORK_COREFOUNDATION_KEY2 52
	127	#define __PTK_FRAMEWORK_COREFOUNDATION_KEY3 53
	128	#define __PTK_FRAMEWORK_COREFOUNDATION_KEY4 54
	129	#define __PTK_FRAMEWORK_COREFOUNDATION_KEY5 55
	130	#define __PTK_FRAMEWORK_COREFOUNDATION_KEY6 56
	131	#define __PTK_FRAMEWORK_COREFOUNDATION_KEY7 57
	132	#define __PTK_FRAMEWORK_COREFOUNDATION_KEY8 58
	133	#define __PTK_FRAMEWORK_COREFOUNDATION_KEY9 59
	134
	135	/* Keys 60-69 for Foundation usage */
	136	#define __PTK_FRAMEWORK_FOUNDATION_KEY0 60
	137	#define __PTK_FRAMEWORK_FOUNDATION_KEY1 61
	138	#define __PTK_FRAMEWORK_FOUNDATION_KEY2 62
	139	#define __PTK_FRAMEWORK_FOUNDATION_KEY3 63
	140	#define __PTK_FRAMEWORK_FOUNDATION_KEY4 64
	141	#define __PTK_FRAMEWORK_FOUNDATION_KEY5 65
	142	#define __PTK_FRAMEWORK_FOUNDATION_KEY6 66
	143	#define __PTK_FRAMEWORK_FOUNDATION_KEY7 67
	144	#define __PTK_FRAMEWORK_FOUNDATION_KEY8 68
	145	#define __PTK_FRAMEWORK_FOUNDATION_KEY9 69
	146
	147	/* Keys 70-79 for Core Animation/QuartzCore usage */
	148	#define __PTK_FRAMEWORK_QUARTZCORE_KEY0 70
	149	#define __PTK_FRAMEWORK_QUARTZCORE_KEY1 71
	150	#define __PTK_FRAMEWORK_QUARTZCORE_KEY2 72
151	#define __PTK_FRAMEWORK_QUARTZCORE_KEY3 73
152	#define __PTK_FRAMEWORK_QUARTZCORE_KEY4 74
153	#define __PTK_FRAMEWORK_QUARTZCORE_KEY5 75
154	#define __PTK_FRAMEWORK_QUARTZCORE_KEY6 76
155	#define __PTK_FRAMEWORK_QUARTZCORE_KEY7 77
156	#define __PTK_FRAMEWORK_QUARTZCORE_KEY8 78
157	#define __PTK_FRAMEWORK_QUARTZCORE_KEY9 79
158
159
160	/* Keys 80-89 for Garbage Collection */
3615a2f7 JF	161	#define __PTK_FRAMEWORK_OLDGC_KEY0 80
	162	#define __PTK_FRAMEWORK_OLDGC_KEY1 81
	163	#define __PTK_FRAMEWORK_OLDGC_KEY2 82
	164	#define __PTK_FRAMEWORK_OLDGC_KEY3 83
	165	#define __PTK_FRAMEWORK_OLDGC_KEY4 84
	166	#define __PTK_FRAMEWORK_OLDGC_KEY5 85
	167	#define __PTK_FRAMEWORK_OLDGC_KEY6 86
	168	#define __PTK_FRAMEWORK_OLDGC_KEY7 87
	169	#define __PTK_FRAMEWORK_OLDGC_KEY8 88
	170	#define __PTK_FRAMEWORK_OLDGC_KEY9 89
	171
	172	/* Keys 90-94 for JavaScriptCore Collection */
	173	#define __PTK_FRAMEWORK_JAVASCRIPTCORE_KEY0 90
	174	#define __PTK_FRAMEWORK_JAVASCRIPTCORE_KEY1 91
	175	#define __PTK_FRAMEWORK_JAVASCRIPTCORE_KEY2 92
	176	#define __PTK_FRAMEWORK_JAVASCRIPTCORE_KEY3 93
	177	#define __PTK_FRAMEWORK_JAVASCRIPTCORE_KEY4 94
7c6c5b0a	178
3615a2f7 JF	179	/* Keys 110-119 for Garbage Collection */
	180	#define __PTK_FRAMEWORK_GC_KEY0 110
	181	#define __PTK_FRAMEWORK_GC_KEY1 111
	182	#define __PTK_FRAMEWORK_GC_KEY2 112
	183	#define __PTK_FRAMEWORK_GC_KEY3 113
	184	#define __PTK_FRAMEWORK_GC_KEY4 114
	185	#define __PTK_FRAMEWORK_GC_KEY5 115
	186	#define __PTK_FRAMEWORK_GC_KEY6 116
	187	#define __PTK_FRAMEWORK_GC_KEY7 117
	188	#define __PTK_FRAMEWORK_GC_KEY8 118
	189	#define __PTK_FRAMEWORK_GC_KEY9 119
7c6c5b0a JF	190
	191	/*
	192	** Define macros for inline pthread_getspecific() usage.
	193	** We reserve a number of slots for Apple internal use.
	194	** This number can grow dynamically, no need to fix it.
	195	*/
	196
	197
	198	#if defined(__cplusplus)
	199	extern "C" {
	200	#endif
	201
	202	extern void *pthread_getspecific(unsigned long);
	203	/* setup destructor function for static key as it is not created with pthread_key_create() */
	204	int pthread_key_init_np(int, void ()(void ));
	205
	206	#if defined(__cplusplus)
	207	}
	208	#endif
	209
	210	typedef int pthread_lock_t;
	211
3615a2f7 JF	212	#if TARGET_IPHONE_SIMULATOR
	213
	214	/* Similator will use the host implementation, so bypass the macro that is in the target code */
	215
	216	inline static int
	217	_pthread_has_direct_tsd(void)
	218	{
	219	return 0;
	220	}
	221
	222	#define _pthread_getspecific_direct(key) pthread_getspecific(key)
	223	#define _pthread_setspecific_direct(key, val) pthread_setspecific(key, val)
	224
	225	#else /* TARGET_IPHONE_SIMULATOR */
	226
7c6c5b0a JF	227	inline static int
	228	_pthread_has_direct_tsd(void)
	229	{
	230	#if defined(__ppc__)
	231	int caps = (int )_COMM_PAGE_CPU_CAPABILITIES;
	232	if (*caps & kFastThreadLocalStorage) {
	233	return 1;
	234	} else {
	235	return 0;
	236	}
7c6c5b0a JF	237	#else
	238	return 1;
	239	#endif
	240	}
	241
	242	/* To be used with static constant keys only */
	243	inline static void *
	244	_pthread_getspecific_direct(unsigned long slot)
	245	{
	246	void *ret;
3615a2f7	247
7c6c5b0a	248	#if defined(__i386__) \|\| defined(__x86_64__)
3615a2f7 JF	249	asm("mov %%gs:%1, %0" : "=r" (ret) : "m" ((void )(slot sizeof(void *))));
	250	#elif defined(__ppc64__) \|\| defined(__ppc__)
	251	ret = pthread_getspecific(slot);
	252	#elif defined(__arm__) && defined(_ARM_ARCH_6) && !defined(_ARM_ARCH_7) && defined(__thumb__) && !defined(__OPTIMIZE__)
	253	ret = pthread_getspecific(slot);
7c6c5b0a	254	#elif defined(__arm__) && defined(_ARM_ARCH_6)
3615a2f7 JF	255	void **__pthread_tsd;
	256	__asm__ (
	257	"mrc p15, 0, %0, c13, c0, 3\n"
	258	"bic %0, %0, #3\n"
	259	: "=r"(__pthread_tsd));
	260	ret = __pthread_tsd[slot];
7c6c5b0a JF	261	#elif defined(__arm__) && !defined(_ARM_ARCH_6)
7c6c5b0a JF	262	register void **__pthread_tsd asm ("r9");
3615a2f7	263	ret = __pthread_tsd[slot];
7c6c5b0a JF	264	#else
	265	#error no pthread_getspecific_direct implementation for this arch
	266	#endif
	267	return ret;
	268	}
	269
3615a2f7 JF	270	#if defined(__i386__) \|\| defined(__x86_64__) \|\| defined(__arm__)
	271	/* To be used with static constant keys only */
	272	inline static int
	273	_pthread_setspecific_direct(unsigned long slot, void * val)
	274	{
	275
	276	#if defined(__i386__)
	277	#if defined(__PIC__)
	278	asm("movl %1,%%gs:%0" : "=m" ((void )(slot sizeof(void *))) : "rn" (val));
	279	#else
	280	asm("movl %1,%%gs:%0" : "=m" ((void )(slot sizeof(void *))) : "ri" (val));
	281	#endif
	282	#elif defined(__x86_64__)
	283	/* PIC is free and cannot be disabled, even with: gcc -mdynamic-no-pic ... */
	284	asm("movq %1,%%gs:%0" : "=m" ((void )(slot sizeof(void *))) : "rn" (val));
	285	#elif defined(__arm__) && defined(_ARM_ARCH_6)
	286	void **__pthread_tsd;
	287	__asm__ (
	288	"mrc p15, 0, %0, c13, c0, 3\n"
	289	"bic %0, %0, #3\n"
	290	: "=r"(__pthread_tsd));
	291	__pthread_tsd[slot] = val;
	292	#elif defined(__arm__) && !defined(_ARM_ARCH_6)
	293	register void **__pthread_tsd asm ("r9");
	294	__pthread_tsd[slot] = val;
	295	#endif
	296	return(0);
	297	}
	298	#elif defined(__ppc__) \|\| defined(__ppc64__)
7c6c5b0a JF	299	/* To be used with static constant keys only */
7c6c5b0a JF	300	#define _pthread_setspecific_direct(key, val) pthread_setspecific(key, val)
3615a2f7 JF	301	#else
	302	#error no pthread_setspecific_direct implementation for this arch
	303	#endif
	304
	305	#endif /* TARGET_IPHONE_SIMULATOR */
7c6c5b0a JF	306
	307	#define LOCK_INIT(l) ((l) = 0)
	308	#define LOCK_INITIALIZER 0
	309
	310	#endif /* ! __ASSEMBLER__ */
	311	#endif /* _POSIX_PTHREAD_MACHDEP_H */