/* -*- 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_solaris_defs_h___ #define nspr_solaris_defs_h___ /* * Internal configuration macros */ #define PR_LINKER_ARCH "solaris" #define _PR_SI_SYSNAME "SOLARIS" #ifdef sparc #define _PR_SI_ARCHITECTURE "sparc" #elif defined(__x86_64) #define _PR_SI_ARCHITECTURE "x86-64" #elif defined(i386) #define _PR_SI_ARCHITECTURE "x86" #else #error unknown processor #endif #define PR_DLL_SUFFIX ".so" #define _PR_VMBASE 0x30000000 #define _PR_STACK_VMBASE 0x50000000 #define _MD_DEFAULT_STACK_SIZE (2*65536L) #define _MD_MMAP_FLAGS MAP_SHARED #undef HAVE_STACK_GROWING_UP #ifndef HAVE_WEAK_IO_SYMBOLS #define HAVE_WEAK_IO_SYMBOLS #endif #undef HAVE_WEAK_MALLOC_SYMBOLS #define HAVE_DLL #define USE_DLFCN #define NEED_STRFTIME_LOCK /* * Intel x86 has atomic instructions. * * Sparc v8 does not have instructions to efficiently implement * atomic increment/decrement operations. We use the default * atomic routine implementation in pratom.c. * * 64-bit Solaris requires sparc v9, which has atomic instructions. */ #if defined(i386) || defined(IS_64) #define _PR_HAVE_ATOMIC_OPS #endif #define _PR_POLL_AVAILABLE #define _PR_USE_POLL #define _PR_STAT_HAS_ST_ATIM #ifdef SOLARIS2_5 #define _PR_HAVE_SYSV_SEMAPHORES #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY #else #define _PR_HAVE_POSIX_SEMAPHORES #define PR_HAVE_POSIX_NAMED_SHARED_MEMORY #endif #define _PR_HAVE_GETIPNODEBYNAME #define _PR_HAVE_GETIPNODEBYADDR #define _PR_HAVE_GETADDRINFO #define _PR_INET6_PROBE #define _PR_ACCEPT_INHERIT_NONBLOCK #ifdef _PR_INET6 #define _PR_HAVE_INET_NTOP #else #define AF_INET6 26 struct addrinfo { int ai_flags; int ai_family; int ai_socktype; int ai_protocol; size_t ai_addrlen; char *ai_canonname; struct sockaddr *ai_addr; struct addrinfo *ai_next; }; #define AI_CANONNAME 0x0010 #define AI_V4MAPPED 0x0001 #define AI_ALL 0x0002 #define AI_ADDRCONFIG 0x0004 #define _PR_HAVE_MD_SOCKADDR_IN6 /* isomorphic to struct in6_addr on Solaris 8 */ struct _md_in6_addr { union { PRUint8 _S6_u8[16]; PRUint32 _S6_u32[4]; PRUint32 __S6_align; } _S6_un; }; /* isomorphic to struct sockaddr_in6 on Solaris 8 */ struct _md_sockaddr_in6 { PRUint16 sin6_family; PRUint16 sin6_port; PRUint32 sin6_flowinfo; struct _md_in6_addr sin6_addr; PRUint32 sin6_scope_id; PRUint32 __sin6_src_id; }; #endif #if defined(_PR_PTHREADS) #define _PR_HAVE_GETHOST_R #define _PR_HAVE_GETHOST_R_POINTER #endif #include "prinrval.h" #define _MD_INTERVAL_INIT() NSPR_API(PRIntervalTime) _MD_Solaris_GetInterval(void); #define _MD_GET_INTERVAL _MD_Solaris_GetInterval NSPR_API(PRIntervalTime) _MD_Solaris_TicksPerSecond(void); #define _MD_INTERVAL_PER_SEC _MD_Solaris_TicksPerSecond #if defined(_PR_HAVE_ATOMIC_OPS) /* ** Atomic Operations */ #define _MD_INIT_ATOMIC() NSPR_API(PRInt32) _MD_AtomicIncrement(PRInt32 *val); #define _MD_ATOMIC_INCREMENT _MD_AtomicIncrement NSPR_API(PRInt32) _MD_AtomicAdd(PRInt32 *ptr, PRInt32 val); #define _MD_ATOMIC_ADD _MD_AtomicAdd NSPR_API(PRInt32) _MD_AtomicDecrement(PRInt32 *val); #define _MD_ATOMIC_DECREMENT _MD_AtomicDecrement NSPR_API(PRInt32) _MD_AtomicSet(PRInt32 *val, PRInt32 newval); #define _MD_ATOMIC_SET _MD_AtomicSet #endif /* _PR_HAVE_ATOMIC_OPS */ #if defined(_PR_PTHREADS) NSPR_API(void) _MD_EarlyInit(void); #define _MD_EARLY_INIT _MD_EarlyInit #define _MD_FINAL_INIT _PR_UnixInit #else /* _PR_PTHREADS */ /* * _PR_LOCAL_THREADS_ONLY implementation on Solaris */ #include "prthread.h" #include #include #include #include /* ** Initialization Related definitions */ NSPR_API(void) _MD_EarlyInit(void); NSPR_API(void) _MD_SolarisInit(); #define _MD_EARLY_INIT _MD_EarlyInit #define _MD_FINAL_INIT _MD_SolarisInit #define _MD_INIT_THREAD _MD_InitializeThread #ifdef USE_SETJMP #include #define _PR_CONTEXT_TYPE jmp_buf #ifdef sparc #define _MD_GET_SP(_t) (_t)->md.context[2] #else #define _MD_GET_SP(_t) (_t)->md.context[4] #endif #define PR_NUM_GCREGS _JBLEN #define CONTEXT(_thread) (_thread)->md.context #else /* ! USE_SETJMP */ #ifdef sparc #define _PR_CONTEXT_TYPE ucontext_t #define _MD_GET_SP(_t) (_t)->md.context.uc_mcontext.gregs[REG_SP] /* ** Sparc's use register windows. the _MD_GetRegisters for the sparc's ** doesn't actually store anything into the argument buffer; instead the ** register windows are homed to the stack. I assume that the stack ** always has room for the registers to spill to... */ #define PR_NUM_GCREGS 0 #else #define _PR_CONTEXT_TYPE unsigned int edi; sigset_t oldMask, blockMask; ucontext_t #define _MD_GET_SP(_t) (_t)->md.context.uc_mcontext.gregs[USP] #define PR_NUM_GCREGS _JBLEN #endif #define CONTEXT(_thread) (&(_thread)->md.context) #endif /* ! USE_SETJMP */ #include /* * Because clock_gettime() on Solaris/x86 always generates a * segmentation fault, we use an emulated version _pr_solx86_clock_gettime(), * which is implemented using gettimeofday(). */ #ifdef i386 #define GETTIME(tt) _pr_solx86_clock_gettime(CLOCK_REALTIME, (tt)) #else #define GETTIME(tt) clock_gettime(CLOCK_REALTIME, (tt)) #endif /* i386 */ #define _MD_SAVE_ERRNO(_thread) (_thread)->md.errcode = errno; #define _MD_RESTORE_ERRNO(_thread) errno = (_thread)->md.errcode; #ifdef sparc #ifdef USE_SETJMP #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ PR_BEGIN_MACRO \ int *context = (_thread)->md.context; \ *status = PR_TRUE; \ (void) setjmp(context); \ (_thread)->md.context[1] = (int) ((_sp) - 64); \ (_thread)->md.context[2] = (int) _main; \ (_thread)->md.context[3] = (int) _main + 4; \ _thread->no_sched = 0; \ PR_END_MACRO #define _MD_SWITCH_CONTEXT(_thread) \ if (!setjmp(CONTEXT(_thread))) { \ _MD_SAVE_ERRNO(_thread) \ _MD_SET_LAST_THREAD(_thread); \ _MD_SET_CURRENT_THREAD(_thread); \ _PR_Schedule(); \ } #define _MD_RESTORE_CONTEXT(_newThread) \ { \ _MD_RESTORE_ERRNO(_newThread) \ _MD_SET_CURRENT_THREAD(_newThread); \ longjmp(CONTEXT(_newThread), 1); \ } #else /* ** Initialize the thread context preparing it to execute _main. */ #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ PR_BEGIN_MACRO \ ucontext_t *uc = CONTEXT(_thread); \ *status = PR_TRUE; \ getcontext(uc); \ uc->uc_stack.ss_sp = (char *) ((unsigned long)(_sp - WINDOWSIZE - SA(MINFRAME)) & 0xfffffff8); \ uc->uc_stack.ss_size = _thread->stack->stackSize; \ uc->uc_stack.ss_flags = 0; /* ? */ \ uc->uc_mcontext.gregs[REG_SP] = (unsigned int) uc->uc_stack.ss_sp; \ uc->uc_mcontext.gregs[REG_PC] = (unsigned int) _main; \ uc->uc_mcontext.gregs[REG_nPC] = (unsigned int) ((char*)_main)+4; \ uc->uc_flags = UC_ALL; \ _thread->no_sched = 0; \ PR_END_MACRO /* ** Switch away from the current thread context by saving its state and ** calling the thread scheduler. Reload cpu when we come back from the ** context switch because it might have changed. */ #define _MD_SWITCH_CONTEXT(_thread) \ PR_BEGIN_MACRO \ if (!getcontext(CONTEXT(_thread))) { \ _MD_SAVE_ERRNO(_thread); \ _MD_SET_LAST_THREAD(_thread); \ _PR_Schedule(); \ } \ PR_END_MACRO /* ** Restore a thread context that was saved by _MD_SWITCH_CONTEXT or ** initialized by _MD_INIT_CONTEXT. */ #define _MD_RESTORE_CONTEXT(_newThread) \ PR_BEGIN_MACRO \ ucontext_t *uc = CONTEXT(_newThread); \ uc->uc_mcontext.gregs[11] = 1; \ _MD_RESTORE_ERRNO(_newThread); \ _MD_SET_CURRENT_THREAD(_newThread); \ setcontext(uc); \ PR_END_MACRO #endif #else /* x86 solaris */ #ifdef USE_SETJMP #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ PR_BEGIN_MACRO \ *status = PR_TRUE; \ if (setjmp(CONTEXT(_thread))) _main(); \ _MD_GET_SP(_thread) = (int) ((_sp) - 64); \ PR_END_MACRO #define _MD_SWITCH_CONTEXT(_thread) \ if (!setjmp(CONTEXT(_thread))) { \ _MD_SAVE_ERRNO(_thread) \ _PR_Schedule(); \ } #define _MD_RESTORE_CONTEXT(_newThread) \ { \ _MD_RESTORE_ERRNO(_newThread) \ _MD_SET_CURRENT_THREAD(_newThread); \ longjmp(CONTEXT(_newThread), 1); \ } #else /* USE_SETJMP */ #define WINDOWSIZE 0 int getedi(void); void setedi(int); #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ PR_BEGIN_MACRO \ ucontext_t *uc = CONTEXT(_thread); \ *status = PR_TRUE; \ getcontext(uc); \ /* Force sp to be double aligned! */ \ uc->uc_mcontext.gregs[USP] = (int) ((unsigned long)(_sp - WINDOWSIZE - SA(MINFRAME)) & 0xfffffff8); \ uc->uc_mcontext.gregs[PC] = (int) _main; \ (_thread)->no_sched = 0; \ PR_END_MACRO /* getcontext() may return 1, contrary to what the man page says */ #define _MD_SWITCH_CONTEXT(_thread) \ PR_BEGIN_MACRO \ ucontext_t *uc = CONTEXT(_thread); \ PR_ASSERT(_thread->no_sched); \ sigfillset(&((_thread)->md.blockMask)); \ sigprocmask(SIG_BLOCK, &((_thread)->md.blockMask), \ &((_thread)->md.oldMask)); \ (_thread)->md.edi = getedi(); \ if (! getcontext(uc)) { \ sigprocmask(SIG_SETMASK, &((_thread)->md.oldMask), NULL); \ uc->uc_mcontext.gregs[EDI] = (_thread)->md.edi; \ _MD_SAVE_ERRNO(_thread) \ _MD_SET_LAST_THREAD(_thread); \ _PR_Schedule(); \ } else { \ sigprocmask(SIG_SETMASK, &((_thread)->md.oldMask), NULL); \ setedi((_thread)->md.edi); \ PR_ASSERT(_MD_LAST_THREAD() !=_MD_CURRENT_THREAD()); \ _MD_LAST_THREAD()->no_sched = 0; \ } \ PR_END_MACRO /* ** Restore a thread context, saved by _PR_SWITCH_CONTEXT */ #define _MD_RESTORE_CONTEXT(_newthread) \ PR_BEGIN_MACRO \ ucontext_t *uc = CONTEXT(_newthread); \ uc->uc_mcontext.gregs[EAX] = 1; \ _MD_RESTORE_ERRNO(_newthread) \ _MD_SET_CURRENT_THREAD(_newthread); \ (_newthread)->no_sched = 1; \ setcontext(uc); \ PR_END_MACRO #endif /* USE_SETJMP */ #endif /* sparc */ struct _MDLock { PRInt8 notused; }; struct _MDCVar { PRInt8 notused; }; struct _MDSemaphore { PRInt8 notused; }; struct _MDThread { _PR_CONTEXT_TYPE context; int errcode; int id; }; struct _MDThreadStack { 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() #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) #define _MD_RESUME_THREAD(thread) #define _MD_CLEAN_THREAD(_thread) extern PRStatus _MD_WAIT(struct PRThread *, PRIntervalTime timeout); extern PRStatus _MD_WAKEUP_WAITER(struct PRThread *); extern void _MD_YIELD(void); extern PRStatus _MD_InitializeThread(PRThread *thread); extern void _MD_SET_PRIORITY(struct _MDThread *thread, PRThreadPriority newPri); extern PRStatus _MD_CREATE_THREAD(PRThread *thread, void (*start) (void *), PRThreadPriority priority, PRThreadScope scope, PRThreadState state, PRUint32 stackSize); /* The following defines the unwrapped versions of select() and poll(). */ extern int _select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout); #define _MD_SELECT _select #include #include #define _MD_POLL _poll extern int _poll(struct pollfd *fds, unsigned long nfds, int timeout); PR_BEGIN_EXTERN_C /* ** Missing function prototypes */ extern int gethostname (char *name, int namelen); PR_END_EXTERN_C #endif /* _PR_PTHREADS */ extern void _MD_solaris_map_sendfile_error(int err); #endif /* nspr_solaris_defs_h___ */