author | coleenp |
Tue, 31 Oct 2017 11:55:09 -0400 | |
changeset 47765 | b7c7428eaab9 |
parent 47668 | fc4cfca10556 |
child 48152 | bef902d8fef1 |
permissions | -rw-r--r-- |
42650 | 1 |
/* |
46260
5de61384fba6
8172670: AOT Platform Support for Windows and Mac OS X x64
bobv
parents:
42658
diff
changeset
|
2 |
* Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. |
42650 | 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
20 |
* or visit www.oracle.com if you need additional information or have any |
|
21 |
* questions. |
|
22 |
*/ |
|
23 |
||
24 |
#include "precompiled.hpp" |
|
47765
b7c7428eaab9
8189610: Reconcile jvm.h and all jvm_md.h between java.base and hotspot
coleenp
parents:
47668
diff
changeset
|
25 |
#include "jvm.h" |
42650 | 26 |
|
27 |
#include "aot/aotCodeHeap.hpp" |
|
28 |
#include "aot/aotLoader.inline.hpp" |
|
29 |
#include "jvmci/jvmciRuntime.hpp" |
|
30 |
#include "oops/method.hpp" |
|
46260
5de61384fba6
8172670: AOT Platform Support for Windows and Mac OS X x64
bobv
parents:
42658
diff
changeset
|
31 |
#include "runtime/os.hpp" |
46629
8eeacdc76bf2
8183262: noexecstack check in os::dll_load on Linux is too expensive
kvn
parents:
46560
diff
changeset
|
32 |
#include "runtime/timerTrace.hpp" |
42650 | 33 |
|
34 |
GrowableArray<AOTCodeHeap*>* AOTLoader::_heaps = new(ResourceObj::C_HEAP, mtCode) GrowableArray<AOTCodeHeap*> (2, true); |
|
35 |
GrowableArray<AOTLib*>* AOTLoader::_libraries = new(ResourceObj::C_HEAP, mtCode) GrowableArray<AOTLib*> (2, true); |
|
36 |
||
37 |
// Iterate over all AOT CodeHeaps |
|
38 |
#define FOR_ALL_AOT_HEAPS(heap) for (GrowableArrayIterator<AOTCodeHeap*> heap = heaps()->begin(); heap != heaps()->end(); ++heap) |
|
39 |
// Iterate over all AOT Libraries |
|
40 |
#define FOR_ALL_AOT_LIBRARIES(lib) for (GrowableArrayIterator<AOTLib*> lib = libraries()->begin(); lib != libraries()->end(); ++lib) |
|
41 |
||
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46327
diff
changeset
|
42 |
void AOTLoader::load_for_klass(InstanceKlass* ik, Thread* thread) { |
47668 | 43 |
if (ik->is_anonymous()) { |
44 |
// don't even bother |
|
45 |
return; |
|
46 |
} |
|
42650 | 47 |
if (UseAOT) { |
48 |
FOR_ALL_AOT_HEAPS(heap) { |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46327
diff
changeset
|
49 |
(*heap)->load_klass_data(ik, thread); |
42650 | 50 |
} |
51 |
} |
|
52 |
} |
|
53 |
||
54 |
uint64_t AOTLoader::get_saved_fingerprint(InstanceKlass* ik) { |
|
47668 | 55 |
if (ik->is_anonymous()) { |
56 |
// don't even bother |
|
57 |
return 0; |
|
58 |
} |
|
42650 | 59 |
FOR_ALL_AOT_HEAPS(heap) { |
60 |
AOTKlassData* klass_data = (*heap)->find_klass(ik); |
|
61 |
if (klass_data != NULL) { |
|
62 |
return klass_data->_fingerprint; |
|
63 |
} |
|
64 |
} |
|
65 |
return 0; |
|
66 |
} |
|
67 |
||
68 |
bool AOTLoader::find_klass(InstanceKlass* ik) { |
|
69 |
FOR_ALL_AOT_HEAPS(heap) { |
|
70 |
if ((*heap)->find_klass(ik) != NULL) { |
|
71 |
return true; |
|
72 |
} |
|
73 |
} |
|
74 |
return false; |
|
75 |
} |
|
76 |
||
77 |
bool AOTLoader::contains(address p) { |
|
78 |
FOR_ALL_AOT_HEAPS(heap) { |
|
79 |
if ((*heap)->contains(p)) { |
|
80 |
return true; |
|
81 |
} |
|
82 |
} |
|
83 |
return false; |
|
84 |
} |
|
85 |
||
86 |
void AOTLoader::oops_do(OopClosure* f) { |
|
87 |
if (UseAOT) { |
|
88 |
FOR_ALL_AOT_HEAPS(heap) { |
|
89 |
(*heap)->oops_do(f); |
|
90 |
} |
|
91 |
} |
|
92 |
} |
|
93 |
||
94 |
void AOTLoader::metadata_do(void f(Metadata*)) { |
|
95 |
if (UseAOT) { |
|
96 |
FOR_ALL_AOT_HEAPS(heap) { |
|
97 |
(*heap)->metadata_do(f); |
|
98 |
} |
|
99 |
} |
|
100 |
} |
|
101 |
||
102 |
// Flushing and deoptimization in case of evolution |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
46327
diff
changeset
|
103 |
void AOTLoader::flush_evol_dependents_on(InstanceKlass* dependee) { |
42650 | 104 |
// make non entrant and mark for deoptimization |
105 |
FOR_ALL_AOT_HEAPS(heap) { |
|
106 |
(*heap)->flush_evol_dependents_on(dependee); |
|
107 |
} |
|
108 |
Deoptimization::deoptimize_dependents(); |
|
109 |
} |
|
110 |
||
111 |
/** |
|
112 |
* List of core modules for which we search for shared libraries. |
|
113 |
*/ |
|
114 |
static const char* modules[] = { |
|
115 |
"java.base", |
|
116 |
"java.logging", |
|
117 |
"jdk.compiler", |
|
118 |
"jdk.scripting.nashorn", |
|
43972 | 119 |
"jdk.internal.vm.ci", |
120 |
"jdk.internal.vm.compiler" |
|
42650 | 121 |
}; |
122 |
||
123 |
void AOTLoader::initialize() { |
|
46629
8eeacdc76bf2
8183262: noexecstack check in os::dll_load on Linux is too expensive
kvn
parents:
46560
diff
changeset
|
124 |
TraceTime timer("AOT initialization", TRACETIME_LOG(Info, aot, startuptime)); |
8eeacdc76bf2
8183262: noexecstack check in os::dll_load on Linux is too expensive
kvn
parents:
46560
diff
changeset
|
125 |
|
42650 | 126 |
if (FLAG_IS_DEFAULT(UseAOT) && AOTLibrary != NULL) { |
127 |
// Don't need to set UseAOT on command line when AOTLibrary is specified |
|
128 |
FLAG_SET_DEFAULT(UseAOT, true); |
|
129 |
} |
|
130 |
if (UseAOT) { |
|
131 |
// EagerInitialization is not compatible with AOT |
|
132 |
if (EagerInitialization) { |
|
42658
9b8b24e4fc01
8171137: Avoid warning: -Xint is not compatible with AOT (switching AOT off)
kvn
parents:
42650
diff
changeset
|
133 |
if (PrintAOT) { |
9b8b24e4fc01
8171137: Avoid warning: -Xint is not compatible with AOT (switching AOT off)
kvn
parents:
42650
diff
changeset
|
134 |
warning("EagerInitialization is not compatible with AOT (switching AOT off)"); |
9b8b24e4fc01
8171137: Avoid warning: -Xint is not compatible with AOT (switching AOT off)
kvn
parents:
42650
diff
changeset
|
135 |
} |
42650 | 136 |
FLAG_SET_DEFAULT(UseAOT, false); |
137 |
return; |
|
138 |
} |
|
139 |
||
140 |
// -Xint is not compatible with AOT |
|
141 |
if (Arguments::is_interpreter_only()) { |
|
42658
9b8b24e4fc01
8171137: Avoid warning: -Xint is not compatible with AOT (switching AOT off)
kvn
parents:
42650
diff
changeset
|
142 |
if (PrintAOT) { |
9b8b24e4fc01
8171137: Avoid warning: -Xint is not compatible with AOT (switching AOT off)
kvn
parents:
42650
diff
changeset
|
143 |
warning("-Xint is not compatible with AOT (switching AOT off)"); |
9b8b24e4fc01
8171137: Avoid warning: -Xint is not compatible with AOT (switching AOT off)
kvn
parents:
42650
diff
changeset
|
144 |
} |
42650 | 145 |
FLAG_SET_DEFAULT(UseAOT, false); |
146 |
return; |
|
147 |
} |
|
148 |
||
149 |
const char* home = Arguments::get_java_home(); |
|
150 |
const char* file_separator = os::file_separator(); |
|
151 |
||
152 |
for (int i = 0; i < (int) (sizeof(modules) / sizeof(const char*)); i++) { |
|
153 |
char library[JVM_MAXPATHLEN]; |
|
46260
5de61384fba6
8172670: AOT Platform Support for Windows and Mac OS X x64
bobv
parents:
42658
diff
changeset
|
154 |
jio_snprintf(library, sizeof(library), "%s%slib%slib%s%s%s%s", home, file_separator, file_separator, modules[i], UseCompressedOops ? "-coop" : "", UseG1GC ? "" : "-nong1", os::dll_file_extension()); |
42650 | 155 |
load_library(library, false); |
156 |
} |
|
157 |
||
158 |
// Scan the AOTLibrary option. |
|
159 |
if (AOTLibrary != NULL) { |
|
46260
5de61384fba6
8172670: AOT Platform Support for Windows and Mac OS X x64
bobv
parents:
42658
diff
changeset
|
160 |
const int len = (int)strlen(AOTLibrary); |
42650 | 161 |
char* cp = NEW_C_HEAP_ARRAY(char, len+1, mtCode); |
162 |
if (cp != NULL) { // No memory? |
|
163 |
memcpy(cp, AOTLibrary, len); |
|
164 |
cp[len] = '\0'; |
|
165 |
char* end = cp + len; |
|
166 |
while (cp < end) { |
|
167 |
const char* name = cp; |
|
168 |
while ((*cp) != '\0' && (*cp) != '\n' && (*cp) != ',' && (*cp) != ':' && (*cp) != ';') cp++; |
|
169 |
cp[0] = '\0'; // Terminate name |
|
170 |
cp++; |
|
171 |
load_library(name, true); |
|
172 |
} |
|
173 |
} |
|
174 |
} |
|
175 |
} |
|
176 |
} |
|
177 |
||
178 |
void AOTLoader::universe_init() { |
|
179 |
if (UseAOT && libraries_count() > 0) { |
|
180 |
// Shifts are static values which initialized by 0 until java heap initialization. |
|
181 |
// AOT libs are loaded before heap initialized so shift values are not set. |
|
182 |
// It is okay since ObjectAlignmentInBytes flag which defines shifts value is set before AOT libs are loaded. |
|
183 |
// Set shifts value based on first AOT library config. |
|
184 |
if (UseCompressedOops && AOTLib::narrow_oop_shift_initialized()) { |
|
185 |
int oop_shift = Universe::narrow_oop_shift(); |
|
186 |
if (oop_shift == 0) { |
|
187 |
Universe::set_narrow_oop_shift(AOTLib::narrow_oop_shift()); |
|
188 |
} else { |
|
189 |
FOR_ALL_AOT_LIBRARIES(lib) { |
|
190 |
(*lib)->verify_flag(AOTLib::narrow_oop_shift(), oop_shift, "Universe::narrow_oop_shift"); |
|
191 |
} |
|
192 |
} |
|
193 |
if (UseCompressedClassPointers) { // It is set only if UseCompressedOops is set |
|
194 |
int klass_shift = Universe::narrow_klass_shift(); |
|
195 |
if (klass_shift == 0) { |
|
196 |
Universe::set_narrow_klass_shift(AOTLib::narrow_klass_shift()); |
|
197 |
} else { |
|
198 |
FOR_ALL_AOT_LIBRARIES(lib) { |
|
199 |
(*lib)->verify_flag(AOTLib::narrow_klass_shift(), klass_shift, "Universe::narrow_klass_shift"); |
|
200 |
} |
|
201 |
} |
|
202 |
} |
|
203 |
} |
|
204 |
// Create heaps for all the libraries |
|
205 |
FOR_ALL_AOT_LIBRARIES(lib) { |
|
206 |
if ((*lib)->is_valid()) { |
|
207 |
AOTCodeHeap* heap = new AOTCodeHeap(*lib); |
|
208 |
{ |
|
209 |
MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); |
|
210 |
add_heap(heap); |
|
211 |
CodeCache::add_heap(heap); |
|
212 |
} |
|
213 |
} |
|
214 |
} |
|
215 |
} |
|
216 |
if (heaps_count() == 0) { |
|
217 |
if (FLAG_IS_DEFAULT(UseAOT)) { |
|
218 |
FLAG_SET_DEFAULT(UseAOT, false); |
|
219 |
} |
|
220 |
} |
|
221 |
} |
|
222 |
||
223 |
void AOTLoader::set_narrow_klass_shift() { |
|
224 |
// This method could be called from Metaspace::set_narrow_klass_base_and_shift(). |
|
225 |
// In case it is not called (during dump CDS, for example) the corresponding code in |
|
226 |
// AOTLoader::universe_init(), which is called later, will set the shift value. |
|
227 |
if (UseAOT && libraries_count() > 0 && |
|
228 |
UseCompressedOops && AOTLib::narrow_oop_shift_initialized() && |
|
229 |
UseCompressedClassPointers) { |
|
230 |
int klass_shift = Universe::narrow_klass_shift(); |
|
231 |
if (klass_shift == 0) { |
|
232 |
Universe::set_narrow_klass_shift(AOTLib::narrow_klass_shift()); |
|
233 |
} else { |
|
234 |
FOR_ALL_AOT_LIBRARIES(lib) { |
|
235 |
(*lib)->verify_flag(AOTLib::narrow_klass_shift(), klass_shift, "Universe::narrow_klass_shift"); |
|
236 |
} |
|
237 |
} |
|
238 |
} |
|
239 |
} |
|
240 |
||
241 |
void AOTLoader::load_library(const char* name, bool exit_on_error) { |
|
46260
5de61384fba6
8172670: AOT Platform Support for Windows and Mac OS X x64
bobv
parents:
42658
diff
changeset
|
242 |
char ebuf[1024]; |
5de61384fba6
8172670: AOT Platform Support for Windows and Mac OS X x64
bobv
parents:
42658
diff
changeset
|
243 |
void* handle = os::dll_load(name, ebuf, sizeof ebuf); |
42650 | 244 |
if (handle == NULL) { |
245 |
if (exit_on_error) { |
|
46260
5de61384fba6
8172670: AOT Platform Support for Windows and Mac OS X x64
bobv
parents:
42658
diff
changeset
|
246 |
tty->print_cr("error opening file: %s", ebuf); |
42650 | 247 |
vm_exit(1); |
248 |
} |
|
249 |
return; |
|
250 |
} |
|
251 |
const int dso_id = libraries_count() + 1; |
|
252 |
AOTLib* lib = new AOTLib(handle, name, dso_id); |
|
253 |
if (!lib->is_valid()) { |
|
254 |
delete lib; |
|
46260
5de61384fba6
8172670: AOT Platform Support for Windows and Mac OS X x64
bobv
parents:
42658
diff
changeset
|
255 |
os::dll_unload(handle); |
42650 | 256 |
return; |
257 |
} |
|
258 |
add_library(lib); |
|
259 |
} |
|
260 |
||
261 |
#ifndef PRODUCT |
|
262 |
void AOTLoader::print_statistics() { |
|
263 |
{ ttyLocker ttyl; |
|
264 |
tty->print_cr("--- AOT Statistics ---"); |
|
265 |
tty->print_cr("AOT libraries loaded: %d", heaps_count()); |
|
266 |
AOTCodeHeap::print_statistics(); |
|
267 |
} |
|
268 |
} |
|
269 |
#endif |
|
47668 | 270 |
|
271 |
||
272 |
bool AOTLoader::reconcile_dynamic_invoke(InstanceKlass* holder, int index, Method* adapter_method, Klass* appendix_klass) { |
|
273 |
if (!UseAOT) { |
|
274 |
return true; |
|
275 |
} |
|
276 |
JavaThread* thread = JavaThread::current(); |
|
277 |
ResourceMark rm(thread); |
|
278 |
RegisterMap map(thread, false); |
|
279 |
frame caller_frame = thread->last_frame().sender(&map); // Skip stub |
|
280 |
CodeBlob* caller_cb = caller_frame.cb(); |
|
281 |
guarantee(caller_cb != NULL && caller_cb->is_compiled(), "must be called from compiled method"); |
|
282 |
CompiledMethod* cm = caller_cb->as_compiled_method(); |
|
283 |
||
284 |
if (!cm->is_aot()) { |
|
285 |
return true; |
|
286 |
} |
|
287 |
AOTCompiledMethod* aot = (AOTCompiledMethod*)cm; |
|
288 |
||
289 |
AOTCodeHeap* caller_heap = NULL; |
|
290 |
FOR_ALL_AOT_HEAPS(heap) { |
|
291 |
if ((*heap)->contains_blob(aot)) { |
|
292 |
caller_heap = *heap; |
|
293 |
break; |
|
294 |
} |
|
295 |
} |
|
296 |
guarantee(caller_heap != NULL, "CodeHeap not found"); |
|
297 |
bool success = caller_heap->reconcile_dynamic_invoke(aot, holder, index, adapter_method, appendix_klass); |
|
298 |
vmassert(success || thread->last_frame().sender(&map).is_deoptimized_frame(), "caller not deoptimized on failure"); |
|
299 |
return success; |
|
300 |
} |