X-Git-Url: https://git.saurik.com/apple/libc.git/blobdiff_plain/b5d655f7532a546b54809da387f7467d128a756b..7b00c0c43f52e9d27168e67a26aac19065cdb40c:/pthreads/pthread_machdep.h diff --git a/pthreads/pthread_machdep.h b/pthreads/pthread_machdep.h index af369c1..4e4d71b 100644 --- a/pthreads/pthread_machdep.h +++ b/pthreads/pthread_machdep.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2003-2004 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2003-2004, 2008 Apple Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * @@ -49,15 +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. @@ -73,6 +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 */ @@ -80,11 +80,113 @@ #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. @@ -98,6 +200,7 @@ 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) @@ -106,6 +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) { @@ -121,31 +239,70 @@ _pthread_has_direct_tsd(void) #endif } +/* To be used with static constant keys only */ inline static void * -_pthread_getspecific_direct(unsigned long slot) +_pthread_getspecific_direct(unsigned long slot) { - void *ret; -#if defined(__OPTIMIZE__) + void *ret; + #if defined(__i386__) || defined(__x86_64__) - asm volatile("mov %%gs:%P1, %0" : "=r" (ret) : "i" (slot * sizeof(void *) + _PTHREAD_TSD_OFFSET)); -#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__) - register void **__pthread_tsd asm ("r9"); - ret = __pthread_tsd[slot + (_PTHREAD_TSD_OFFSET / sizeof(void *))]; -#else + 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 -#else /* ! __OPTIMIZATION__ */ - ret = pthread_getspecific(slot); + 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 - return ret; +#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