#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
+#include <TargetConditionals.h>
/*
** Define macros for inline pthread_getspecific() usage.
#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_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
/* 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 __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.
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)
{
} else {
return 0;
}
-#elif defined(__arm__) && defined(__thumb__) && defined(_ARM_ARCH_6) && !defined(_ARM_ARCH_7)
- return 0;
#else
return 1;
#endif
_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 *))];
+ 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" : "=r"(__pthread_tsd));
- ret = __pthread_tsd[slot + (_PTHREAD_TSD_OFFSET / sizeof(void *))];
+ 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 + (_PTHREAD_TSD_OFFSET / sizeof(void *))];
+ 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
projects / cycript.git / blobdiff