Mercurial > hg > graal-compiler
annotate src/os/solaris/vm/os_solaris.hpp @ 270:b7f01ad69d30
Merge
author | jmasa |
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date | Mon, 04 Aug 2008 12:11:36 -0700 |
parents | d1605aabd0a1 |
children | 85f1b9537f70 |
rev | line source |
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0 | 1 /* |
196 | 2 * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 // Solaris_OS defines the interface to Solaris operating systems | |
26 | |
27 class Solaris { | |
28 friend class os; | |
29 | |
30 private: | |
31 | |
32 // Support for "new" libthread APIs for getting & setting thread context (2.8) | |
33 #define TRS_VALID 0 | |
34 #define TRS_NONVOLATILE 1 | |
35 #define TRS_LWPID 2 | |
36 #define TRS_INVALID 3 | |
37 | |
38 // _T2_libthread is true if we believe we are running with the newer | |
39 // SunSoft lib/lwp/libthread: default Solaris 9, available Solaris 8 | |
40 // which is a lightweight libthread that also supports all T1 | |
41 static bool _T2_libthread; | |
42 // These refer to new libthread interface functions | |
43 // They get intialized if we dynamically detect new libthread | |
44 static int_fnP_thread_t_iP_uP_stack_tP_gregset_t _thr_getstate; | |
45 static int_fnP_thread_t_i_gregset_t _thr_setstate; | |
46 static int_fnP_thread_t_i _thr_setmutator; | |
47 static int_fnP_thread_t _thr_suspend_mutator; | |
48 static int_fnP_thread_t _thr_continue_mutator; | |
49 // libthread_init sets the above, if the new functionality is detected | |
50 | |
51 // initialized to libthread or lwp synchronization primitives depending on UseLWPSychronization | |
52 static int_fnP_mutex_tP _mutex_lock; | |
53 static int_fnP_mutex_tP _mutex_trylock; | |
54 static int_fnP_mutex_tP _mutex_unlock; | |
55 static int_fnP_mutex_tP_i_vP _mutex_init; | |
56 static int_fnP_mutex_tP _mutex_destroy; | |
57 static int _mutex_scope; | |
58 | |
59 static int_fnP_cond_tP_mutex_tP_timestruc_tP _cond_timedwait; | |
60 static int_fnP_cond_tP_mutex_tP _cond_wait; | |
61 static int_fnP_cond_tP _cond_signal; | |
62 static int_fnP_cond_tP _cond_broadcast; | |
63 static int_fnP_cond_tP_i_vP _cond_init; | |
64 static int_fnP_cond_tP _cond_destroy; | |
65 static int _cond_scope; | |
66 | |
67 typedef uintptr_t lgrp_cookie_t; | |
68 typedef id_t lgrp_id_t; | |
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69 typedef int lgrp_rsrc_t; |
0 | 70 typedef enum lgrp_view { |
71 LGRP_VIEW_CALLER, /* what's available to the caller */ | |
72 LGRP_VIEW_OS /* what's available to operating system */ | |
73 } lgrp_view_t; | |
74 | |
75 typedef lgrp_id_t (*lgrp_home_func_t)(idtype_t idtype, id_t id); | |
76 typedef lgrp_cookie_t (*lgrp_init_func_t)(lgrp_view_t view); | |
77 typedef int (*lgrp_fini_func_t)(lgrp_cookie_t cookie); | |
78 typedef lgrp_id_t (*lgrp_root_func_t)(lgrp_cookie_t cookie); | |
79 typedef int (*lgrp_children_func_t)(lgrp_cookie_t cookie, lgrp_id_t parent, | |
80 lgrp_id_t *lgrp_array, uint_t lgrp_array_size); | |
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81 typedef int (*lgrp_resources_func_t)(lgrp_cookie_t cookie, lgrp_id_t lgrp, |
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82 lgrp_id_t *lgrp_array, uint_t lgrp_array_size, |
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83 lgrp_rsrc_t type); |
0 | 84 typedef int (*lgrp_nlgrps_func_t)(lgrp_cookie_t cookie); |
85 typedef int (*lgrp_cookie_stale_func_t)(lgrp_cookie_t cookie); | |
86 typedef int (*meminfo_func_t)(const uint64_t inaddr[], int addr_count, | |
87 const uint_t info_req[], int info_count, | |
88 uint64_t outdata[], uint_t validity[]); | |
89 | |
90 static lgrp_home_func_t _lgrp_home; | |
91 static lgrp_init_func_t _lgrp_init; | |
92 static lgrp_fini_func_t _lgrp_fini; | |
93 static lgrp_root_func_t _lgrp_root; | |
94 static lgrp_children_func_t _lgrp_children; | |
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95 static lgrp_resources_func_t _lgrp_resources; |
0 | 96 static lgrp_nlgrps_func_t _lgrp_nlgrps; |
97 static lgrp_cookie_stale_func_t _lgrp_cookie_stale; | |
98 static lgrp_cookie_t _lgrp_cookie; | |
99 | |
100 static meminfo_func_t _meminfo; | |
101 | |
102 // Large Page Support--mpss. | |
103 static bool set_mpss_range(caddr_t start, size_t bytes, size_t align); | |
104 | |
105 static void init_thread_fpu_state(void); | |
106 | |
107 static void try_enable_extended_io(); | |
108 | |
109 // For signal-chaining | |
110 static unsigned long sigs; // mask of signals that have | |
111 // preinstalled signal handlers | |
112 static struct sigaction *(*get_signal_action)(int); | |
113 static struct sigaction *get_preinstalled_handler(int); | |
114 static int (*get_libjsig_version)(); | |
115 static void save_preinstalled_handler(int, struct sigaction&); | |
116 static void check_signal_handler(int sig); | |
117 // For overridable signals | |
118 static int _SIGinterrupt; // user-overridable INTERRUPT_SIGNAL | |
119 static int _SIGasync; // user-overridable ASYNC_SIGNAL | |
120 static void set_SIGinterrupt(int newsig) { _SIGinterrupt = newsig; } | |
121 static void set_SIGasync(int newsig) { _SIGasync = newsig; } | |
122 | |
123 | |
124 public: | |
125 // Large Page Support--ISM. | |
126 static bool largepage_range(char* addr, size_t size); | |
127 | |
128 static int SIGinterrupt() { return _SIGinterrupt; } | |
129 static int SIGasync() { return _SIGasync; } | |
130 static address handler_start, handler_end; // start and end pc of thr_sighndlrinfo | |
131 | |
132 static bool valid_stack_address(Thread* thread, address sp); | |
133 static bool valid_ucontext(Thread* thread, ucontext_t* valid, ucontext_t* suspect); | |
134 static ucontext_t* get_valid_uc_in_signal_handler(Thread* thread, | |
135 ucontext_t* uc); | |
136 | |
137 static ExtendedPC ucontext_get_ExtendedPC(ucontext_t* uc); | |
138 static intptr_t* ucontext_get_sp(ucontext_t* uc); | |
139 // ucontext_get_fp() is only used by Solaris X86 (see note below) | |
140 static intptr_t* ucontext_get_fp(ucontext_t* uc); | |
141 | |
142 // For Analyzer Forte AsyncGetCallTrace profiling support: | |
143 // Parameter ret_fp is only used by Solaris X86. | |
144 // | |
145 // We should have different declarations of this interface in | |
146 // os_solaris_i486.hpp and os_solaris_sparc.hpp, but that file | |
147 // provides extensions to the os class and not the Solaris class. | |
148 static ExtendedPC fetch_frame_from_ucontext(Thread* thread, ucontext_t* uc, | |
149 intptr_t** ret_sp, intptr_t** ret_fp); | |
150 | |
151 static void hotspot_sigmask(Thread* thread); | |
152 | |
153 protected: | |
154 // Solaris-specific interface goes here | |
155 static julong available_memory(); | |
156 static julong physical_memory() { return _physical_memory; } | |
157 static julong _physical_memory; | |
158 static void initialize_system_info(); | |
159 static int _dev_zero_fd; | |
160 static int get_dev_zero_fd() { return _dev_zero_fd; } | |
161 static void set_dev_zero_fd(int fd) { _dev_zero_fd = fd; } | |
162 static char* mmap_chunk(char *addr, size_t size, int flags, int prot); | |
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163 static char* anon_mmap(char* requested_addr, size_t bytes, size_t alignment_hint, bool fixed); |
0 | 164 static bool mpss_sanity_check(bool warn, size_t * page_size); |
165 static bool ism_sanity_check (bool warn, size_t * page_size); | |
166 | |
167 // Workaround for 4352906. thr_stksegment sometimes returns | |
168 // a bad value for the primordial thread's stack base when | |
169 // it is called more than one time. | |
170 // Workaround is to cache the initial value to avoid further | |
171 // calls to thr_stksegment. | |
172 // It appears that someone (Hotspot?) is trashing the user's | |
173 // proc_t structure (note that this is a system struct). | |
174 static address _main_stack_base; | |
175 | |
176 public: | |
177 static void libthread_init(); | |
178 static void synchronization_init(); | |
179 static void liblgrp_init(); | |
180 // Load miscellaneous symbols. | |
181 static void misc_sym_init(); | |
182 // This boolean allows users to forward their own non-matching signals | |
183 // to JVM_handle_solaris_signal, harmlessly. | |
184 static bool signal_handlers_are_installed; | |
185 | |
186 static void signal_sets_init(); | |
187 static void install_signal_handlers(); | |
188 static void set_signal_handler(int sig, bool set_installed, bool oktochain); | |
189 static void init_signal_mem(); | |
190 static bool is_sig_ignored(int sig); | |
191 static void set_our_sigflags(int, int); | |
192 static int get_our_sigflags(int); | |
193 | |
194 // For signal-chaining | |
195 static bool libjsig_is_loaded; // libjsig that interposes sigaction(), | |
196 // signal(), sigset() is loaded | |
197 static struct sigaction *get_chained_signal_action(int sig); | |
198 static bool chained_handler(int sig, siginfo_t *siginfo, void *context); | |
199 | |
200 // The following allow us to link against both the old and new libthread (2.8) | |
201 // and exploit the new libthread functionality if available. | |
202 | |
203 static bool T2_libthread() { return _T2_libthread; } | |
204 static void set_T2_libthread(bool T2_libthread) { _T2_libthread = T2_libthread; } | |
205 | |
206 static int thr_getstate(thread_t tid, int *flag, unsigned *lwp, stack_t *ss, gregset_t rs) | |
207 { return _thr_getstate(tid, flag, lwp, ss, rs); } | |
208 static void set_thr_getstate(int_fnP_thread_t_iP_uP_stack_tP_gregset_t func) | |
209 { _thr_getstate = func; } | |
210 | |
211 static int thr_setstate(thread_t tid, int flag, gregset_t rs) { return _thr_setstate(tid, flag, rs); } | |
212 static void set_thr_setstate(int_fnP_thread_t_i_gregset_t func) { _thr_setstate = func; } | |
213 | |
214 static int thr_setmutator(thread_t tid, int enabled) { return _thr_setmutator(tid, enabled); } | |
215 static void set_thr_setmutator(int_fnP_thread_t_i func) { _thr_setmutator = func; } | |
216 | |
217 static int thr_suspend_mutator(thread_t tid) { return _thr_suspend_mutator(tid); } | |
218 static void set_thr_suspend_mutator(int_fnP_thread_t func) { _thr_suspend_mutator = func; } | |
219 | |
220 static int thr_continue_mutator(thread_t tid) { return _thr_continue_mutator(tid); } | |
221 static void set_thr_continue_mutator(int_fnP_thread_t func) { _thr_continue_mutator = func; } | |
222 | |
223 // Allows us to switch between lwp and thread -based synchronization | |
224 static int mutex_lock(mutex_t *mx) { return _mutex_lock(mx); } | |
225 static int mutex_trylock(mutex_t *mx) { return _mutex_trylock(mx); } | |
226 static int mutex_unlock(mutex_t *mx) { return _mutex_unlock(mx); } | |
227 static int mutex_init(mutex_t *mx) { return _mutex_init(mx, os::Solaris::mutex_scope(), NULL); } | |
228 static int mutex_destroy(mutex_t *mx) { return _mutex_destroy(mx); } | |
229 static int mutex_scope() { return _mutex_scope; } | |
230 | |
231 static void set_mutex_lock(int_fnP_mutex_tP func) { _mutex_lock = func; } | |
232 static void set_mutex_trylock(int_fnP_mutex_tP func) { _mutex_trylock = func; } | |
233 static void set_mutex_unlock(int_fnP_mutex_tP func) { _mutex_unlock = func; } | |
234 static void set_mutex_init(int_fnP_mutex_tP_i_vP func) { _mutex_init = func; } | |
235 static void set_mutex_destroy(int_fnP_mutex_tP func) { _mutex_destroy = func; } | |
236 static void set_mutex_scope(int scope) { _mutex_scope = scope; } | |
237 | |
238 static int cond_timedwait(cond_t *cv, mutex_t *mx, timestruc_t *abst) | |
239 { return _cond_timedwait(cv, mx, abst); } | |
240 static int cond_wait(cond_t *cv, mutex_t *mx) { return _cond_wait(cv, mx); } | |
241 static int cond_signal(cond_t *cv) { return _cond_signal(cv); } | |
242 static int cond_broadcast(cond_t *cv) { return _cond_broadcast(cv); } | |
243 static int cond_init(cond_t *cv) { return _cond_init(cv, os::Solaris::cond_scope(), NULL); } | |
244 static int cond_destroy(cond_t *cv) { return _cond_destroy(cv); } | |
245 static int cond_scope() { return _cond_scope; } | |
246 | |
247 static void set_cond_timedwait(int_fnP_cond_tP_mutex_tP_timestruc_tP func) | |
248 { _cond_timedwait = func; } | |
249 static void set_cond_wait(int_fnP_cond_tP_mutex_tP func) { _cond_wait = func; } | |
250 static void set_cond_signal(int_fnP_cond_tP func) { _cond_signal = func; } | |
251 static void set_cond_broadcast(int_fnP_cond_tP func) { _cond_broadcast = func; } | |
252 static void set_cond_init(int_fnP_cond_tP_i_vP func) { _cond_init = func; } | |
253 static void set_cond_destroy(int_fnP_cond_tP func) { _cond_destroy = func; } | |
254 static void set_cond_scope(int scope) { _cond_scope = scope; } | |
255 | |
256 static void set_lgrp_home(lgrp_home_func_t func) { _lgrp_home = func; } | |
257 static void set_lgrp_init(lgrp_init_func_t func) { _lgrp_init = func; } | |
258 static void set_lgrp_fini(lgrp_fini_func_t func) { _lgrp_fini = func; } | |
259 static void set_lgrp_root(lgrp_root_func_t func) { _lgrp_root = func; } | |
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260 static void set_lgrp_children(lgrp_children_func_t func) { _lgrp_children = func; } |
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261 static void set_lgrp_resources(lgrp_resources_func_t func) { _lgrp_resources = func; } |
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262 static void set_lgrp_nlgrps(lgrp_nlgrps_func_t func) { _lgrp_nlgrps = func; } |
0 | 263 static void set_lgrp_cookie_stale(lgrp_cookie_stale_func_t func) { _lgrp_cookie_stale = func; } |
264 static void set_lgrp_cookie(lgrp_cookie_t cookie) { _lgrp_cookie = cookie; } | |
265 | |
266 static id_t lgrp_home(idtype_t type, id_t id) { return _lgrp_home != NULL ? _lgrp_home(type, id) : -1; } | |
267 static lgrp_cookie_t lgrp_init(lgrp_view_t view) { return _lgrp_init != NULL ? _lgrp_init(view) : 0; } | |
268 static int lgrp_fini(lgrp_cookie_t cookie) { return _lgrp_fini != NULL ? _lgrp_fini(cookie) : -1; } | |
269 static lgrp_id_t lgrp_root(lgrp_cookie_t cookie) { return _lgrp_root != NULL ? _lgrp_root(cookie) : -1; }; | |
270 static int lgrp_children(lgrp_cookie_t cookie, lgrp_id_t parent, | |
271 lgrp_id_t *lgrp_array, uint_t lgrp_array_size) { | |
272 return _lgrp_children != NULL ? _lgrp_children(cookie, parent, lgrp_array, lgrp_array_size) : -1; | |
273 } | |
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274 static int lgrp_resources(lgrp_cookie_t cookie, lgrp_id_t lgrp, |
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275 lgrp_id_t *lgrp_array, uint_t lgrp_array_size, |
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276 lgrp_rsrc_t type) { |
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277 return _lgrp_resources != NULL ? _lgrp_resources(cookie, lgrp, lgrp_array, lgrp_array_size, type) : -1; |
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278 } |
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279 |
0 | 280 static int lgrp_nlgrps(lgrp_cookie_t cookie) { return _lgrp_nlgrps != NULL ? _lgrp_nlgrps(cookie) : -1; } |
281 static int lgrp_cookie_stale(lgrp_cookie_t cookie) { | |
282 return _lgrp_cookie_stale != NULL ? _lgrp_cookie_stale(cookie) : -1; | |
283 } | |
284 static lgrp_cookie_t lgrp_cookie() { return _lgrp_cookie; } | |
285 | |
286 static void set_meminfo(meminfo_func_t func) { _meminfo = func; } | |
287 static int meminfo (const uint64_t inaddr[], int addr_count, | |
288 const uint_t info_req[], int info_count, | |
289 uint64_t outdata[], uint_t validity[]) { | |
290 return _meminfo != NULL ? _meminfo(inaddr, addr_count, info_req, info_count, | |
291 outdata, validity) : -1; | |
292 } | |
293 | |
294 enum { | |
295 clear_interrupted = true | |
296 }; | |
297 static void setup_interruptible(JavaThread* thread); | |
298 static void setup_interruptible_already_blocked(JavaThread* thread); | |
299 static JavaThread* setup_interruptible(); | |
300 static void cleanup_interruptible(JavaThread* thread); | |
301 | |
302 // perf counter incrementers used by _INTERRUPTIBLE | |
303 | |
304 static void bump_interrupted_before_count(); | |
305 static void bump_interrupted_during_count(); | |
306 | |
307 #ifdef ASSERT | |
308 static JavaThread* setup_interruptible_native(); | |
309 static void cleanup_interruptible_native(JavaThread* thread); | |
310 #endif | |
311 | |
312 static sigset_t* unblocked_signals(); | |
313 static sigset_t* vm_signals(); | |
314 static sigset_t* allowdebug_blocked_signals(); | |
315 | |
316 // %%% Following should be promoted to os.hpp: | |
317 // Trace number of created threads | |
318 static jint _os_thread_limit; | |
319 static volatile jint _os_thread_count; | |
320 | |
321 // Minimum stack size a thread can be created with (allowing | |
322 // the VM to completely create the thread and enter user code) | |
323 | |
324 static size_t min_stack_allowed; | |
325 | |
326 // Stack overflow handling | |
327 | |
328 static int max_register_window_saves_before_flushing(); | |
329 | |
330 // Stack repair handling | |
331 | |
332 // none present | |
333 | |
334 }; | |
335 | |
336 class PlatformEvent : public CHeapObj { | |
337 private: | |
338 double CachePad [4] ; // increase odds that _mutex is sole occupant of cache line | |
339 volatile int _Event ; | |
340 int _nParked ; | |
341 int _pipev [2] ; | |
342 mutex_t _mutex [1] ; | |
343 cond_t _cond [1] ; | |
344 double PostPad [2] ; | |
345 | |
346 protected: | |
347 // Defining a protected ctor effectively gives us an abstract base class. | |
348 // That is, a PlatformEvent can never be instantiated "naked" but only | |
349 // as a part of a ParkEvent (recall that ParkEvent extends PlatformEvent). | |
350 // TODO-FIXME: make dtor private | |
351 ~PlatformEvent() { guarantee (0, "invariant") ; } | |
352 PlatformEvent() { | |
353 int status; | |
354 status = os::Solaris::cond_init(_cond); | |
355 assert_status(status == 0, status, "cond_init"); | |
356 status = os::Solaris::mutex_init(_mutex); | |
357 assert_status(status == 0, status, "mutex_init"); | |
358 _Event = 0 ; | |
359 _nParked = 0 ; | |
360 _pipev[0] = _pipev[1] = -1 ; | |
361 } | |
362 | |
363 public: | |
364 // Exercise caution using reset() and fired() -- they may require MEMBARs | |
365 void reset() { _Event = 0 ; } | |
366 int fired() { return _Event; } | |
367 void park () ; | |
368 int park (jlong millis) ; | |
369 int TryPark () ; | |
370 void unpark () ; | |
371 } ; | |
372 | |
373 class PlatformParker : public CHeapObj { | |
374 protected: | |
375 mutex_t _mutex [1] ; | |
376 cond_t _cond [1] ; | |
377 | |
378 public: // TODO-FIXME: make dtor private | |
379 ~PlatformParker() { guarantee (0, "invariant") ; } | |
380 | |
381 public: | |
382 PlatformParker() { | |
383 int status; | |
384 status = os::Solaris::cond_init(_cond); | |
385 assert_status(status == 0, status, "cond_init"); | |
386 status = os::Solaris::mutex_init(_mutex); | |
387 assert_status(status == 0, status, "mutex_init"); | |
388 } | |
389 } ; |