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