/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef nspr_darwin_defs_h___ #define nspr_darwin_defs_h___ #include "prthread.h" #include #include #ifdef __APPLE__ #include #include #endif #define PR_LINKER_ARCH "darwin" #define _PR_SI_SYSNAME "DARWIN" #ifdef __i386__ #define _PR_SI_ARCHITECTURE "x86" #elif defined(__x86_64__) #define _PR_SI_ARCHITECTURE "x86-64" #elif defined(__ppc__) #define _PR_SI_ARCHITECTURE "ppc" #elif defined(__arm__) #define _PR_SI_ARCHITECTURE "arm" #elif defined(__aarch64__) #define _PR_SI_ARCHITECTURE "aarch64" #else #error "Unknown CPU architecture" #endif #define PR_DLL_SUFFIX ".dylib" #define _PR_VMBASE 0x30000000 #define _PR_STACK_VMBASE 0x50000000 #define _MD_DEFAULT_STACK_SIZE 65536L #define _MD_MMAP_FLAGS MAP_PRIVATE #undef HAVE_STACK_GROWING_UP #define HAVE_DLL #define USE_DLFCN #define _PR_HAVE_SOCKADDR_LEN #define _PR_STAT_HAS_ST_ATIMESPEC #define _PR_HAVE_LARGE_OFF_T #define _PR_HAVE_SYSV_SEMAPHORES #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY #define _PR_INET6 /* * I'd prefer to use getipnodebyname and getipnodebyaddr but the * getipnodebyname(3) man page on Mac OS X 10.2 says they are not * thread-safe. AI_V4MAPPED|AI_ADDRCONFIG doesn't work either. */ #define _PR_HAVE_GETHOSTBYNAME2 #define _PR_HAVE_GETADDRINFO /* * On Mac OS X 10.2, gethostbyaddr fails with h_errno=NO_RECOVERY * if you pass an IPv4-mapped IPv6 address to it. */ #define _PR_GHBA_DISALLOW_V4MAPPED #ifdef __APPLE__ #if !defined(MAC_OS_X_VERSION_10_3) || \ MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_3 /* * socket(AF_INET6) fails with EPROTONOSUPPORT on Mac OS X 10.1. * IPv6 under OS X 10.2 and below is not complete (see bug 222031). */ #define _PR_INET6_PROBE #endif /* DT < 10.3 */ #if defined(MAC_OS_X_VERSION_10_2) && \ MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_2 /* Mac OS X 10.2 has inet_ntop and inet_pton. */ #define _PR_HAVE_INET_NTOP #endif /* DT >= 10.2 */ #endif /* __APPLE__ */ #define _PR_IPV6_V6ONLY_PROBE /* The IPV6_V6ONLY socket option is not defined on Mac OS X 10.1. */ #ifndef IPV6_V6ONLY #define IPV6_V6ONLY 27 #endif #ifdef __ppc__ #define _PR_HAVE_ATOMIC_OPS #define _MD_INIT_ATOMIC() extern PRInt32 _PR_DarwinPPC_AtomicIncrement(PRInt32 *val); #define _MD_ATOMIC_INCREMENT(val) _PR_DarwinPPC_AtomicIncrement(val) extern PRInt32 _PR_DarwinPPC_AtomicDecrement(PRInt32 *val); #define _MD_ATOMIC_DECREMENT(val) _PR_DarwinPPC_AtomicDecrement(val) extern PRInt32 _PR_DarwinPPC_AtomicSet(PRInt32 *val, PRInt32 newval); #define _MD_ATOMIC_SET(val, newval) _PR_DarwinPPC_AtomicSet(val, newval) extern PRInt32 _PR_DarwinPPC_AtomicAdd(PRInt32 *ptr, PRInt32 val); #define _MD_ATOMIC_ADD(ptr, val) _PR_DarwinPPC_AtomicAdd(ptr, val) #endif /* __ppc__ */ #ifdef __i386__ #define _PR_HAVE_ATOMIC_OPS #define _MD_INIT_ATOMIC() extern PRInt32 _PR_Darwin_x86_AtomicIncrement(PRInt32 *val); #define _MD_ATOMIC_INCREMENT(val) _PR_Darwin_x86_AtomicIncrement(val) extern PRInt32 _PR_Darwin_x86_AtomicDecrement(PRInt32 *val); #define _MD_ATOMIC_DECREMENT(val) _PR_Darwin_x86_AtomicDecrement(val) extern PRInt32 _PR_Darwin_x86_AtomicSet(PRInt32 *val, PRInt32 newval); #define _MD_ATOMIC_SET(val, newval) _PR_Darwin_x86_AtomicSet(val, newval) extern PRInt32 _PR_Darwin_x86_AtomicAdd(PRInt32 *ptr, PRInt32 val); #define _MD_ATOMIC_ADD(ptr, val) _PR_Darwin_x86_AtomicAdd(ptr, val) #endif /* __i386__ */ #ifdef __x86_64__ #define _PR_HAVE_ATOMIC_OPS #define _MD_INIT_ATOMIC() extern PRInt32 _PR_Darwin_x86_64_AtomicIncrement(PRInt32 *val); #define _MD_ATOMIC_INCREMENT(val) _PR_Darwin_x86_64_AtomicIncrement(val) extern PRInt32 _PR_Darwin_x86_64_AtomicDecrement(PRInt32 *val); #define _MD_ATOMIC_DECREMENT(val) _PR_Darwin_x86_64_AtomicDecrement(val) extern PRInt32 _PR_Darwin_x86_64_AtomicSet(PRInt32 *val, PRInt32 newval); #define _MD_ATOMIC_SET(val, newval) _PR_Darwin_x86_64_AtomicSet(val, newval) extern PRInt32 _PR_Darwin_x86_64_AtomicAdd(PRInt32 *ptr, PRInt32 val); #define _MD_ATOMIC_ADD(ptr, val) _PR_Darwin_x86_64_AtomicAdd(ptr, val) #endif /* __x86_64__ */ #ifdef __aarch64__ #define _PR_HAVE_ATOMIC_OPS #define _MD_INIT_ATOMIC() #define _MD_ATOMIC_INCREMENT(val) __sync_add_and_fetch(val, 1) #define _MD_ATOMIC_DECREMENT(val) __sync_sub_and_fetch(val, 1) #define _MD_ATOMIC_SET(val, newval) __sync_lock_test_and_set(val, newval) #define _MD_ATOMIC_ADD(ptr, val) __sync_add_and_fetch(ptr, val) #endif /* __aarch64__ */ #if defined(__arm__) #define _PR_HAVE_ATOMIC_OPS #define _MD_INIT_ATOMIC() #define _MD_ATOMIC_INCREMENT(val) OSAtomicIncrement32(val) #define _MD_ATOMIC_DECREMENT(val) OSAtomicDecrement32(val) static inline PRInt32 _MD_ATOMIC_SET(PRInt32 *val, PRInt32 newval) { PRInt32 oldval; do { oldval = *val; } while (!OSAtomicCompareAndSwap32(oldval, newval, val)); return oldval; } #define _MD_ATOMIC_ADD(ptr, val) OSAtomicAdd32(val, ptr) #endif /* __arm__ */ #define USE_SETJMP #if !defined(_PR_PTHREADS) #include #define PR_CONTEXT_TYPE jmp_buf #define CONTEXT(_th) ((_th)->md.context) #define _MD_GET_SP(_th) (((struct sigcontext *) (_th)->md.context)->sc_onstack) #define PR_NUM_GCREGS _JBLEN /* ** Initialize a thread context to run "_main()" when started */ #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ { \ *status = PR_TRUE; \ if (setjmp(CONTEXT(_thread))) { \ _main(); \ } \ _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \ } #define _MD_SWITCH_CONTEXT(_thread) \ if (!setjmp(CONTEXT(_thread))) { \ (_thread)->md.errcode = errno; \ _PR_Schedule(); \ } /* ** Restore a thread context, saved by _MD_SWITCH_CONTEXT */ #define _MD_RESTORE_CONTEXT(_thread) \ { \ errno = (_thread)->md.errcode; \ _MD_SET_CURRENT_THREAD(_thread); \ longjmp(CONTEXT(_thread), 1); \ } /* Machine-dependent (MD) data structures */ struct _MDThread { PR_CONTEXT_TYPE context; int id; int errcode; }; struct _MDThreadStack { PRInt8 notused; }; struct _MDLock { PRInt8 notused; }; struct _MDSemaphore { PRInt8 notused; }; struct _MDCVar { PRInt8 notused; }; struct _MDSegment { PRInt8 notused; }; /* * md-specific cpu structure field */ #define _PR_MD_MAX_OSFD FD_SETSIZE struct _MDCPU_Unix { PRCList ioQ; PRUint32 ioq_timeout; PRInt32 ioq_max_osfd; PRInt32 ioq_osfd_cnt; #ifndef _PR_USE_POLL fd_set fd_read_set, fd_write_set, fd_exception_set; PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], fd_exception_cnt[_PR_MD_MAX_OSFD]; #else struct pollfd *ioq_pollfds; int ioq_pollfds_size; #endif /* _PR_USE_POLL */ }; #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 struct _MDCPU { struct _MDCPU_Unix md_unix; }; #define _MD_INIT_LOCKS() #define _MD_NEW_LOCK(lock) PR_SUCCESS #define _MD_FREE_LOCK(lock) #define _MD_LOCK(lock) #define _MD_UNLOCK(lock) #define _MD_INIT_IO() #define _MD_IOQ_LOCK() #define _MD_IOQ_UNLOCK() extern PRStatus _MD_InitializeThread(PRThread *thread); #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) #define _MD_INIT_THREAD _MD_InitializeThread #define _MD_EXIT_THREAD(thread) #define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread #define _MD_RESUME_THREAD(thread) _MD_resume_thread #define _MD_CLEAN_THREAD(_thread) extern PRStatus _MD_CREATE_THREAD( PRThread *thread, void (*start) (void *), PRThreadPriority priority, PRThreadScope scope, PRThreadState state, PRUint32 stackSize); extern void _MD_SET_PRIORITY(struct _MDThread *thread, PRUintn newPri); extern PRStatus _MD_WAIT(PRThread *, PRIntervalTime timeout); extern PRStatus _MD_WAKEUP_WAITER(PRThread *); extern void _MD_YIELD(void); #endif /* ! _PR_PTHREADS */ #define _MD_EARLY_INIT _MD_EarlyInit #define _MD_FINAL_INIT _PR_UnixInit #define _MD_INTERVAL_INIT _PR_Mach_IntervalInit #define _MD_GET_INTERVAL _PR_Mach_GetInterval #define _MD_INTERVAL_PER_SEC _PR_Mach_TicksPerSecond extern void _MD_EarlyInit(void); extern void _PR_Mach_IntervalInit(void); extern PRIntervalTime _PR_Mach_GetInterval(void); extern PRIntervalTime _PR_Mach_TicksPerSecond(void); /* * We wrapped the select() call. _MD_SELECT refers to the built-in, * unwrapped version. */ #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) /* For writev() */ #include #endif /* nspr_darwin_defs_h___ */