duke@435: /* sla@5237: * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. duke@435: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. duke@435: * duke@435: * This code is free software; you can redistribute it and/or modify it duke@435: * under the terms of the GNU General Public License version 2 only, as duke@435: * published by the Free Software Foundation. duke@435: * duke@435: * This code is distributed in the hope that it will be useful, but WITHOUT duke@435: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or duke@435: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License duke@435: * version 2 for more details (a copy is included in the LICENSE file that duke@435: * accompanied this code). duke@435: * duke@435: * You should have received a copy of the GNU General Public License version duke@435: * 2 along with this work; if not, write to the Free Software Foundation, duke@435: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. duke@435: * trims@1907: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA trims@1907: * or visit www.oracle.com if you need additional information or have any trims@1907: * questions. duke@435: * duke@435: */ duke@435: stefank@2314: #ifndef OS_SOLARIS_VM_OS_SOLARIS_HPP stefank@2314: #define OS_SOLARIS_VM_OS_SOLARIS_HPP stefank@2314: duke@435: // Solaris_OS defines the interface to Solaris operating systems duke@435: goetz@6486: // Information about the protection of the page at address '0' on this os. goetz@6486: static bool zero_page_read_protected() { return true; } goetz@6486: duke@435: class Solaris { duke@435: friend class os; duke@435: duke@435: private: duke@435: duke@435: // Support for "new" libthread APIs for getting & setting thread context (2.8) duke@435: #define TRS_VALID 0 duke@435: #define TRS_NONVOLATILE 1 duke@435: #define TRS_LWPID 2 duke@435: #define TRS_INVALID 3 duke@435: duke@435: // _T2_libthread is true if we believe we are running with the newer duke@435: // SunSoft lib/lwp/libthread: default Solaris 9, available Solaris 8 duke@435: // which is a lightweight libthread that also supports all T1 duke@435: static bool _T2_libthread; duke@435: // These refer to new libthread interface functions duke@435: // They get intialized if we dynamically detect new libthread duke@435: static int_fnP_thread_t_iP_uP_stack_tP_gregset_t _thr_getstate; duke@435: static int_fnP_thread_t_i_gregset_t _thr_setstate; duke@435: static int_fnP_thread_t_i _thr_setmutator; duke@435: static int_fnP_thread_t _thr_suspend_mutator; duke@435: static int_fnP_thread_t _thr_continue_mutator; duke@435: // libthread_init sets the above, if the new functionality is detected duke@435: duke@435: // initialized to libthread or lwp synchronization primitives depending on UseLWPSychronization duke@435: static int_fnP_mutex_tP _mutex_lock; duke@435: static int_fnP_mutex_tP _mutex_trylock; duke@435: static int_fnP_mutex_tP _mutex_unlock; duke@435: static int_fnP_mutex_tP_i_vP _mutex_init; duke@435: static int_fnP_mutex_tP _mutex_destroy; duke@435: static int _mutex_scope; duke@435: duke@435: static int_fnP_cond_tP_mutex_tP_timestruc_tP _cond_timedwait; duke@435: static int_fnP_cond_tP_mutex_tP _cond_wait; duke@435: static int_fnP_cond_tP _cond_signal; duke@435: static int_fnP_cond_tP _cond_broadcast; duke@435: static int_fnP_cond_tP_i_vP _cond_init; duke@435: static int_fnP_cond_tP _cond_destroy; duke@435: static int _cond_scope; duke@435: duke@435: typedef uintptr_t lgrp_cookie_t; duke@435: typedef id_t lgrp_id_t; iveresov@579: typedef int lgrp_rsrc_t; duke@435: typedef enum lgrp_view { duke@435: LGRP_VIEW_CALLER, /* what's available to the caller */ duke@435: LGRP_VIEW_OS /* what's available to operating system */ duke@435: } lgrp_view_t; duke@435: twisti@1076: typedef uint_t (*getisax_func_t)(uint32_t* array, uint_t n); twisti@1076: duke@435: typedef lgrp_id_t (*lgrp_home_func_t)(idtype_t idtype, id_t id); duke@435: typedef lgrp_cookie_t (*lgrp_init_func_t)(lgrp_view_t view); duke@435: typedef int (*lgrp_fini_func_t)(lgrp_cookie_t cookie); duke@435: typedef lgrp_id_t (*lgrp_root_func_t)(lgrp_cookie_t cookie); duke@435: typedef int (*lgrp_children_func_t)(lgrp_cookie_t cookie, lgrp_id_t parent, duke@435: lgrp_id_t *lgrp_array, uint_t lgrp_array_size); iveresov@579: typedef int (*lgrp_resources_func_t)(lgrp_cookie_t cookie, lgrp_id_t lgrp, iveresov@579: lgrp_id_t *lgrp_array, uint_t lgrp_array_size, iveresov@579: lgrp_rsrc_t type); duke@435: typedef int (*lgrp_nlgrps_func_t)(lgrp_cookie_t cookie); duke@435: typedef int (*lgrp_cookie_stale_func_t)(lgrp_cookie_t cookie); duke@435: typedef int (*meminfo_func_t)(const uint64_t inaddr[], int addr_count, duke@435: const uint_t info_req[], int info_count, duke@435: uint64_t outdata[], uint_t validity[]); duke@435: twisti@1076: static getisax_func_t _getisax; twisti@1076: duke@435: static lgrp_home_func_t _lgrp_home; duke@435: static lgrp_init_func_t _lgrp_init; duke@435: static lgrp_fini_func_t _lgrp_fini; duke@435: static lgrp_root_func_t _lgrp_root; duke@435: static lgrp_children_func_t _lgrp_children; iveresov@579: static lgrp_resources_func_t _lgrp_resources; duke@435: static lgrp_nlgrps_func_t _lgrp_nlgrps; duke@435: static lgrp_cookie_stale_func_t _lgrp_cookie_stale; duke@435: static lgrp_cookie_t _lgrp_cookie; duke@435: duke@435: static meminfo_func_t _meminfo; duke@435: anoll@5384: // Large Page Support anoll@5384: static bool setup_large_pages(caddr_t start, size_t bytes, size_t align); duke@435: duke@435: static void init_thread_fpu_state(void); duke@435: duke@435: static void try_enable_extended_io(); duke@435: duke@435: // For signal-chaining duke@435: static unsigned long sigs; // mask of signals that have duke@435: // preinstalled signal handlers duke@435: static struct sigaction *(*get_signal_action)(int); duke@435: static struct sigaction *get_preinstalled_handler(int); duke@435: static int (*get_libjsig_version)(); duke@435: static void save_preinstalled_handler(int, struct sigaction&); duke@435: static void check_signal_handler(int sig); duke@435: // For overridable signals duke@435: static int _SIGinterrupt; // user-overridable INTERRUPT_SIGNAL duke@435: static int _SIGasync; // user-overridable ASYNC_SIGNAL duke@435: static void set_SIGinterrupt(int newsig) { _SIGinterrupt = newsig; } duke@435: static void set_SIGasync(int newsig) { _SIGasync = newsig; } duke@435: duke@435: public: duke@435: // Large Page Support--ISM. duke@435: static bool largepage_range(char* addr, size_t size); duke@435: duke@435: static int SIGinterrupt() { return _SIGinterrupt; } duke@435: static int SIGasync() { return _SIGasync; } duke@435: static address handler_start, handler_end; // start and end pc of thr_sighndlrinfo duke@435: duke@435: static bool valid_stack_address(Thread* thread, address sp); duke@435: static bool valid_ucontext(Thread* thread, ucontext_t* valid, ucontext_t* suspect); duke@435: static ucontext_t* get_valid_uc_in_signal_handler(Thread* thread, duke@435: ucontext_t* uc); duke@435: duke@435: static ExtendedPC ucontext_get_ExtendedPC(ucontext_t* uc); duke@435: static intptr_t* ucontext_get_sp(ucontext_t* uc); duke@435: // ucontext_get_fp() is only used by Solaris X86 (see note below) duke@435: static intptr_t* ucontext_get_fp(ucontext_t* uc); sla@5237: static address ucontext_get_pc(ucontext_t* uc); duke@435: duke@435: // For Analyzer Forte AsyncGetCallTrace profiling support: duke@435: // Parameter ret_fp is only used by Solaris X86. duke@435: // duke@435: // We should have different declarations of this interface in duke@435: // os_solaris_i486.hpp and os_solaris_sparc.hpp, but that file duke@435: // provides extensions to the os class and not the Solaris class. duke@435: static ExtendedPC fetch_frame_from_ucontext(Thread* thread, ucontext_t* uc, duke@435: intptr_t** ret_sp, intptr_t** ret_fp); duke@435: duke@435: static void hotspot_sigmask(Thread* thread); duke@435: sla@5237: // SR_handler sla@5237: static void SR_handler(Thread* thread, ucontext_t* uc); duke@435: protected: duke@435: // Solaris-specific interface goes here duke@435: static julong available_memory(); duke@435: static julong physical_memory() { return _physical_memory; } duke@435: static julong _physical_memory; duke@435: static void initialize_system_info(); duke@435: static int _dev_zero_fd; duke@435: static int get_dev_zero_fd() { return _dev_zero_fd; } duke@435: static void set_dev_zero_fd(int fd) { _dev_zero_fd = fd; } dcubed@5255: static int commit_memory_impl(char* addr, size_t bytes, bool exec); dcubed@5255: static int commit_memory_impl(char* addr, size_t bytes, dcubed@5255: size_t alignment_hint, bool exec); duke@435: static char* mmap_chunk(char *addr, size_t size, int flags, int prot); sbohne@495: static char* anon_mmap(char* requested_addr, size_t bytes, size_t alignment_hint, bool fixed); duke@435: static bool mpss_sanity_check(bool warn, size_t * page_size); duke@435: duke@435: // Workaround for 4352906. thr_stksegment sometimes returns duke@435: // a bad value for the primordial thread's stack base when duke@435: // it is called more than one time. duke@435: // Workaround is to cache the initial value to avoid further duke@435: // calls to thr_stksegment. duke@435: // It appears that someone (Hotspot?) is trashing the user's duke@435: // proc_t structure (note that this is a system struct). duke@435: static address _main_stack_base; duke@435: nloodin@3783: static void print_distro_info(outputStream* st); nloodin@3783: static void print_libversion_info(outputStream* st); nloodin@3783: duke@435: public: duke@435: static void libthread_init(); duke@435: static void synchronization_init(); iveresov@897: static bool liblgrp_init(); duke@435: // Load miscellaneous symbols. duke@435: static void misc_sym_init(); duke@435: // This boolean allows users to forward their own non-matching signals duke@435: // to JVM_handle_solaris_signal, harmlessly. duke@435: static bool signal_handlers_are_installed; duke@435: duke@435: static void signal_sets_init(); duke@435: static void install_signal_handlers(); duke@435: static void set_signal_handler(int sig, bool set_installed, bool oktochain); duke@435: static void init_signal_mem(); duke@435: static bool is_sig_ignored(int sig); duke@435: static void set_our_sigflags(int, int); duke@435: static int get_our_sigflags(int); duke@435: duke@435: // For signal-chaining duke@435: static bool libjsig_is_loaded; // libjsig that interposes sigaction(), duke@435: // signal(), sigset() is loaded duke@435: static struct sigaction *get_chained_signal_action(int sig); duke@435: static bool chained_handler(int sig, siginfo_t *siginfo, void *context); duke@435: duke@435: // The following allow us to link against both the old and new libthread (2.8) duke@435: // and exploit the new libthread functionality if available. duke@435: duke@435: static bool T2_libthread() { return _T2_libthread; } duke@435: static void set_T2_libthread(bool T2_libthread) { _T2_libthread = T2_libthread; } duke@435: duke@435: static int thr_getstate(thread_t tid, int *flag, unsigned *lwp, stack_t *ss, gregset_t rs) duke@435: { return _thr_getstate(tid, flag, lwp, ss, rs); } duke@435: static void set_thr_getstate(int_fnP_thread_t_iP_uP_stack_tP_gregset_t func) duke@435: { _thr_getstate = func; } duke@435: duke@435: static int thr_setstate(thread_t tid, int flag, gregset_t rs) { return _thr_setstate(tid, flag, rs); } duke@435: static void set_thr_setstate(int_fnP_thread_t_i_gregset_t func) { _thr_setstate = func; } duke@435: duke@435: static int thr_setmutator(thread_t tid, int enabled) { return _thr_setmutator(tid, enabled); } duke@435: static void set_thr_setmutator(int_fnP_thread_t_i func) { _thr_setmutator = func; } duke@435: duke@435: static int thr_suspend_mutator(thread_t tid) { return _thr_suspend_mutator(tid); } duke@435: static void set_thr_suspend_mutator(int_fnP_thread_t func) { _thr_suspend_mutator = func; } duke@435: duke@435: static int thr_continue_mutator(thread_t tid) { return _thr_continue_mutator(tid); } duke@435: static void set_thr_continue_mutator(int_fnP_thread_t func) { _thr_continue_mutator = func; } duke@435: duke@435: // Allows us to switch between lwp and thread -based synchronization duke@435: static int mutex_lock(mutex_t *mx) { return _mutex_lock(mx); } duke@435: static int mutex_trylock(mutex_t *mx) { return _mutex_trylock(mx); } duke@435: static int mutex_unlock(mutex_t *mx) { return _mutex_unlock(mx); } duke@435: static int mutex_init(mutex_t *mx) { return _mutex_init(mx, os::Solaris::mutex_scope(), NULL); } duke@435: static int mutex_destroy(mutex_t *mx) { return _mutex_destroy(mx); } duke@435: static int mutex_scope() { return _mutex_scope; } duke@435: duke@435: static void set_mutex_lock(int_fnP_mutex_tP func) { _mutex_lock = func; } duke@435: static void set_mutex_trylock(int_fnP_mutex_tP func) { _mutex_trylock = func; } duke@435: static void set_mutex_unlock(int_fnP_mutex_tP func) { _mutex_unlock = func; } duke@435: static void set_mutex_init(int_fnP_mutex_tP_i_vP func) { _mutex_init = func; } duke@435: static void set_mutex_destroy(int_fnP_mutex_tP func) { _mutex_destroy = func; } duke@435: static void set_mutex_scope(int scope) { _mutex_scope = scope; } duke@435: duke@435: static int cond_timedwait(cond_t *cv, mutex_t *mx, timestruc_t *abst) duke@435: { return _cond_timedwait(cv, mx, abst); } duke@435: static int cond_wait(cond_t *cv, mutex_t *mx) { return _cond_wait(cv, mx); } duke@435: static int cond_signal(cond_t *cv) { return _cond_signal(cv); } duke@435: static int cond_broadcast(cond_t *cv) { return _cond_broadcast(cv); } duke@435: static int cond_init(cond_t *cv) { return _cond_init(cv, os::Solaris::cond_scope(), NULL); } duke@435: static int cond_destroy(cond_t *cv) { return _cond_destroy(cv); } duke@435: static int cond_scope() { return _cond_scope; } duke@435: duke@435: static void set_cond_timedwait(int_fnP_cond_tP_mutex_tP_timestruc_tP func) duke@435: { _cond_timedwait = func; } duke@435: static void set_cond_wait(int_fnP_cond_tP_mutex_tP func) { _cond_wait = func; } duke@435: static void set_cond_signal(int_fnP_cond_tP func) { _cond_signal = func; } duke@435: static void set_cond_broadcast(int_fnP_cond_tP func) { _cond_broadcast = func; } duke@435: static void set_cond_init(int_fnP_cond_tP_i_vP func) { _cond_init = func; } duke@435: static void set_cond_destroy(int_fnP_cond_tP func) { _cond_destroy = func; } duke@435: static void set_cond_scope(int scope) { _cond_scope = scope; } duke@435: duke@435: static void set_lgrp_home(lgrp_home_func_t func) { _lgrp_home = func; } duke@435: static void set_lgrp_init(lgrp_init_func_t func) { _lgrp_init = func; } duke@435: static void set_lgrp_fini(lgrp_fini_func_t func) { _lgrp_fini = func; } duke@435: static void set_lgrp_root(lgrp_root_func_t func) { _lgrp_root = func; } iveresov@579: static void set_lgrp_children(lgrp_children_func_t func) { _lgrp_children = func; } iveresov@579: static void set_lgrp_resources(lgrp_resources_func_t func) { _lgrp_resources = func; } iveresov@579: static void set_lgrp_nlgrps(lgrp_nlgrps_func_t func) { _lgrp_nlgrps = func; } duke@435: static void set_lgrp_cookie_stale(lgrp_cookie_stale_func_t func) { _lgrp_cookie_stale = func; } duke@435: static void set_lgrp_cookie(lgrp_cookie_t cookie) { _lgrp_cookie = cookie; } duke@435: duke@435: static id_t lgrp_home(idtype_t type, id_t id) { return _lgrp_home != NULL ? _lgrp_home(type, id) : -1; } duke@435: static lgrp_cookie_t lgrp_init(lgrp_view_t view) { return _lgrp_init != NULL ? _lgrp_init(view) : 0; } duke@435: static int lgrp_fini(lgrp_cookie_t cookie) { return _lgrp_fini != NULL ? _lgrp_fini(cookie) : -1; } duke@435: static lgrp_id_t lgrp_root(lgrp_cookie_t cookie) { return _lgrp_root != NULL ? _lgrp_root(cookie) : -1; }; duke@435: static int lgrp_children(lgrp_cookie_t cookie, lgrp_id_t parent, duke@435: lgrp_id_t *lgrp_array, uint_t lgrp_array_size) { duke@435: return _lgrp_children != NULL ? _lgrp_children(cookie, parent, lgrp_array, lgrp_array_size) : -1; duke@435: } iveresov@579: static int lgrp_resources(lgrp_cookie_t cookie, lgrp_id_t lgrp, iveresov@579: lgrp_id_t *lgrp_array, uint_t lgrp_array_size, iveresov@579: lgrp_rsrc_t type) { iveresov@579: return _lgrp_resources != NULL ? _lgrp_resources(cookie, lgrp, lgrp_array, lgrp_array_size, type) : -1; iveresov@579: } iveresov@579: duke@435: static int lgrp_nlgrps(lgrp_cookie_t cookie) { return _lgrp_nlgrps != NULL ? _lgrp_nlgrps(cookie) : -1; } duke@435: static int lgrp_cookie_stale(lgrp_cookie_t cookie) { duke@435: return _lgrp_cookie_stale != NULL ? _lgrp_cookie_stale(cookie) : -1; duke@435: } duke@435: static lgrp_cookie_t lgrp_cookie() { return _lgrp_cookie; } duke@435: twisti@1076: static bool supports_getisax() { return _getisax != NULL; } twisti@1076: static uint_t getisax(uint32_t* array, uint_t n); twisti@1076: duke@435: static void set_meminfo(meminfo_func_t func) { _meminfo = func; } duke@435: static int meminfo (const uint64_t inaddr[], int addr_count, duke@435: const uint_t info_req[], int info_count, duke@435: uint64_t outdata[], uint_t validity[]) { duke@435: return _meminfo != NULL ? _meminfo(inaddr, addr_count, info_req, info_count, duke@435: outdata, validity) : -1; duke@435: } duke@435: duke@435: enum { duke@435: clear_interrupted = true duke@435: }; duke@435: static void setup_interruptible(JavaThread* thread); duke@435: static void setup_interruptible_already_blocked(JavaThread* thread); duke@435: static JavaThread* setup_interruptible(); duke@435: static void cleanup_interruptible(JavaThread* thread); duke@435: duke@435: // perf counter incrementers used by _INTERRUPTIBLE duke@435: duke@435: static void bump_interrupted_before_count(); duke@435: static void bump_interrupted_during_count(); duke@435: duke@435: #ifdef ASSERT duke@435: static JavaThread* setup_interruptible_native(); duke@435: static void cleanup_interruptible_native(JavaThread* thread); duke@435: #endif duke@435: duke@435: static sigset_t* unblocked_signals(); duke@435: static sigset_t* vm_signals(); duke@435: static sigset_t* allowdebug_blocked_signals(); duke@435: duke@435: // %%% Following should be promoted to os.hpp: duke@435: // Trace number of created threads duke@435: static jint _os_thread_limit; duke@435: static volatile jint _os_thread_count; duke@435: duke@435: // Minimum stack size a thread can be created with (allowing duke@435: // the VM to completely create the thread and enter user code) duke@435: duke@435: static size_t min_stack_allowed; duke@435: duke@435: // Stack overflow handling duke@435: duke@435: static int max_register_window_saves_before_flushing(); duke@435: duke@435: // Stack repair handling duke@435: duke@435: // none present duke@435: duke@435: }; duke@435: zgu@3900: class PlatformEvent : public CHeapObj { duke@435: private: duke@435: double CachePad [4] ; // increase odds that _mutex is sole occupant of cache line duke@435: volatile int _Event ; duke@435: int _nParked ; duke@435: int _pipev [2] ; duke@435: mutex_t _mutex [1] ; duke@435: cond_t _cond [1] ; duke@435: double PostPad [2] ; duke@435: duke@435: protected: duke@435: // Defining a protected ctor effectively gives us an abstract base class. duke@435: // That is, a PlatformEvent can never be instantiated "naked" but only duke@435: // as a part of a ParkEvent (recall that ParkEvent extends PlatformEvent). duke@435: // TODO-FIXME: make dtor private duke@435: ~PlatformEvent() { guarantee (0, "invariant") ; } duke@435: PlatformEvent() { duke@435: int status; duke@435: status = os::Solaris::cond_init(_cond); duke@435: assert_status(status == 0, status, "cond_init"); duke@435: status = os::Solaris::mutex_init(_mutex); duke@435: assert_status(status == 0, status, "mutex_init"); duke@435: _Event = 0 ; duke@435: _nParked = 0 ; duke@435: _pipev[0] = _pipev[1] = -1 ; duke@435: } duke@435: duke@435: public: duke@435: // Exercise caution using reset() and fired() -- they may require MEMBARs duke@435: void reset() { _Event = 0 ; } duke@435: int fired() { return _Event; } duke@435: void park () ; duke@435: int park (jlong millis) ; duke@435: int TryPark () ; duke@435: void unpark () ; duke@435: } ; duke@435: zgu@3900: class PlatformParker : public CHeapObj { duke@435: protected: duke@435: mutex_t _mutex [1] ; duke@435: cond_t _cond [1] ; duke@435: duke@435: public: // TODO-FIXME: make dtor private duke@435: ~PlatformParker() { guarantee (0, "invariant") ; } duke@435: duke@435: public: duke@435: PlatformParker() { duke@435: int status; duke@435: status = os::Solaris::cond_init(_cond); duke@435: assert_status(status == 0, status, "cond_init"); duke@435: status = os::Solaris::mutex_init(_mutex); duke@435: assert_status(status == 0, status, "mutex_init"); duke@435: } duke@435: } ; stefank@2314: stefank@2314: #endif // OS_SOLARIS_VM_OS_SOLARIS_HPP