X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/7c6c5b0ab3404f7de369679744f76f78913876c3..73fd6f57b6d5c6e7a1f0242016d04d232db58639:/include/pthread_machdep.h diff --git a/include/pthread_machdep.h b/include/pthread_machdep.h index 6ec9899..4e4d71b 100644 --- a/include/pthread_machdep.h +++ b/include/pthread_machdep.h @@ -49,18 +49,13 @@ #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 #ifdef __arm__ #include #endif +#include /* ** Define macros for inline pthread_getspecific() usage. @@ -76,6 +71,8 @@ #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 */ @@ -85,6 +82,8 @@ #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 @@ -159,17 +158,35 @@ /* 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. @@ -192,6 +209,21 @@ int pthread_key_init_np(int, void (*)(void *)); 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) { @@ -202,8 +234,6 @@ _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 @@ -214,34 +244,65 @@ 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 *))]; + 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