Mercurial > hg > truffle
annotate src/cpu/x86/vm/templateInterpreter_x86_64.cpp @ 12071:adb9a7d94cb5
8023003: Cleanup the public interface to PhaseCFG
Summary: public methods that don't need to be public should be private.
Reviewed-by: kvn, twisti
author | adlertz |
---|---|
date | Fri, 16 Aug 2013 10:23:55 +0200 |
parents | afbe18ae0905 |
children | 6725044c5725 |
rev | line source |
---|---|
0 | 1 /* |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
7199
cd3d6a6b95d9
8003240: x86: move MacroAssembler into separate file
twisti
parents:
6725
diff
changeset
|
26 #include "asm/macroAssembler.hpp" |
1972 | 27 #include "interpreter/bytecodeHistogram.hpp" |
28 #include "interpreter/interpreter.hpp" | |
29 #include "interpreter/interpreterGenerator.hpp" | |
30 #include "interpreter/interpreterRuntime.hpp" | |
31 #include "interpreter/templateTable.hpp" | |
32 #include "oops/arrayOop.hpp" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
33 #include "oops/methodData.hpp" |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
34 #include "oops/method.hpp" |
1972 | 35 #include "oops/oop.inline.hpp" |
36 #include "prims/jvmtiExport.hpp" | |
37 #include "prims/jvmtiThreadState.hpp" | |
38 #include "runtime/arguments.hpp" | |
39 #include "runtime/deoptimization.hpp" | |
40 #include "runtime/frame.inline.hpp" | |
41 #include "runtime/sharedRuntime.hpp" | |
42 #include "runtime/stubRoutines.hpp" | |
43 #include "runtime/synchronizer.hpp" | |
44 #include "runtime/timer.hpp" | |
45 #include "runtime/vframeArray.hpp" | |
46 #include "utilities/debug.hpp" | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7402
diff
changeset
|
47 #include "utilities/macros.hpp" |
0 | 48 |
49 #define __ _masm-> | |
50 | |
304 | 51 #ifndef CC_INTERP |
52 | |
0 | 53 const int method_offset = frame::interpreter_frame_method_offset * wordSize; |
54 const int bci_offset = frame::interpreter_frame_bcx_offset * wordSize; | |
55 const int locals_offset = frame::interpreter_frame_locals_offset * wordSize; | |
56 | |
57 //----------------------------------------------------------------------------- | |
58 | |
59 address TemplateInterpreterGenerator::generate_StackOverflowError_handler() { | |
60 address entry = __ pc(); | |
61 | |
62 #ifdef ASSERT | |
63 { | |
64 Label L; | |
304 | 65 __ lea(rax, Address(rbp, |
66 frame::interpreter_frame_monitor_block_top_offset * | |
67 wordSize)); | |
68 __ cmpptr(rax, rsp); // rax = maximal rsp for current rbp (stack | |
69 // grows negative) | |
0 | 70 __ jcc(Assembler::aboveEqual, L); // check if frame is complete |
71 __ stop ("interpreter frame not set up"); | |
72 __ bind(L); | |
73 } | |
74 #endif // ASSERT | |
75 // Restore bcp under the assumption that the current frame is still | |
76 // interpreted | |
77 __ restore_bcp(); | |
78 | |
79 // expression stack must be empty before entering the VM if an | |
80 // exception happened | |
81 __ empty_expression_stack(); | |
82 // throw exception | |
83 __ call_VM(noreg, | |
84 CAST_FROM_FN_PTR(address, | |
85 InterpreterRuntime::throw_StackOverflowError)); | |
86 return entry; | |
87 } | |
88 | |
89 address TemplateInterpreterGenerator::generate_ArrayIndexOutOfBounds_handler( | |
90 const char* name) { | |
91 address entry = __ pc(); | |
92 // expression stack must be empty before entering the VM if an | |
93 // exception happened | |
94 __ empty_expression_stack(); | |
95 // setup parameters | |
96 // ??? convention: expect aberrant index in register ebx | |
97 __ lea(c_rarg1, ExternalAddress((address)name)); | |
98 __ call_VM(noreg, | |
99 CAST_FROM_FN_PTR(address, | |
100 InterpreterRuntime:: | |
101 throw_ArrayIndexOutOfBoundsException), | |
102 c_rarg1, rbx); | |
103 return entry; | |
104 } | |
105 | |
106 address TemplateInterpreterGenerator::generate_ClassCastException_handler() { | |
107 address entry = __ pc(); | |
108 | |
109 // object is at TOS | |
304 | 110 __ pop(c_rarg1); |
0 | 111 |
112 // expression stack must be empty before entering the VM if an | |
113 // exception happened | |
114 __ empty_expression_stack(); | |
115 | |
116 __ call_VM(noreg, | |
117 CAST_FROM_FN_PTR(address, | |
118 InterpreterRuntime:: | |
119 throw_ClassCastException), | |
120 c_rarg1); | |
121 return entry; | |
122 } | |
123 | |
124 address TemplateInterpreterGenerator::generate_exception_handler_common( | |
125 const char* name, const char* message, bool pass_oop) { | |
126 assert(!pass_oop || message == NULL, "either oop or message but not both"); | |
127 address entry = __ pc(); | |
128 if (pass_oop) { | |
129 // object is at TOS | |
304 | 130 __ pop(c_rarg2); |
0 | 131 } |
132 // expression stack must be empty before entering the VM if an | |
133 // exception happened | |
134 __ empty_expression_stack(); | |
135 // setup parameters | |
136 __ lea(c_rarg1, ExternalAddress((address)name)); | |
137 if (pass_oop) { | |
138 __ call_VM(rax, CAST_FROM_FN_PTR(address, | |
139 InterpreterRuntime:: | |
140 create_klass_exception), | |
141 c_rarg1, c_rarg2); | |
142 } else { | |
143 // kind of lame ExternalAddress can't take NULL because | |
144 // external_word_Relocation will assert. | |
145 if (message != NULL) { | |
146 __ lea(c_rarg2, ExternalAddress((address)message)); | |
147 } else { | |
148 __ movptr(c_rarg2, NULL_WORD); | |
149 } | |
150 __ call_VM(rax, | |
151 CAST_FROM_FN_PTR(address, InterpreterRuntime::create_exception), | |
152 c_rarg1, c_rarg2); | |
153 } | |
154 // throw exception | |
155 __ jump(ExternalAddress(Interpreter::throw_exception_entry())); | |
156 return entry; | |
157 } | |
158 | |
159 | |
160 address TemplateInterpreterGenerator::generate_continuation_for(TosState state) { | |
161 address entry = __ pc(); | |
162 // NULL last_sp until next java call | |
304 | 163 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
0 | 164 __ dispatch_next(state); |
165 return entry; | |
166 } | |
167 | |
168 | |
2245
638119ce7cfd
7009309: JSR 292: compiler/6991596/Test6991596.java crashes on fastdebug JDK7/b122
twisti
parents:
2141
diff
changeset
|
169 address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step) { |
0 | 170 address entry = __ pc(); |
171 | |
172 // Restore stack bottom in case i2c adjusted stack | |
304 | 173 __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
0 | 174 // and NULL it as marker that esp is now tos until next java call |
304 | 175 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
0 | 176 |
177 __ restore_bcp(); | |
178 __ restore_locals(); | |
304 | 179 |
1108 | 180 Label L_got_cache, L_giant_index; |
181 if (EnableInvokeDynamic) { | |
182 __ cmpb(Address(r13, 0), Bytecodes::_invokedynamic); | |
183 __ jcc(Assembler::equal, L_giant_index); | |
184 } | |
1565 | 185 __ get_cache_and_index_at_bcp(rbx, rcx, 1, sizeof(u2)); |
1108 | 186 __ bind(L_got_cache); |
0 | 187 __ movl(rbx, Address(rbx, rcx, |
1108 | 188 Address::times_ptr, |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
189 in_bytes(ConstantPoolCache::base_offset()) + |
0 | 190 3 * wordSize)); |
191 __ andl(rbx, 0xFF); | |
304 | 192 __ lea(rsp, Address(rsp, rbx, Address::times_8)); |
0 | 193 __ dispatch_next(state, step); |
1108 | 194 |
195 // out of the main line of code... | |
196 if (EnableInvokeDynamic) { | |
197 __ bind(L_giant_index); | |
1565 | 198 __ get_cache_and_index_at_bcp(rbx, rcx, 1, sizeof(u4)); |
1108 | 199 __ jmp(L_got_cache); |
200 } | |
201 | |
0 | 202 return entry; |
203 } | |
204 | |
205 | |
206 address TemplateInterpreterGenerator::generate_deopt_entry_for(TosState state, | |
207 int step) { | |
208 address entry = __ pc(); | |
209 // NULL last_sp until next java call | |
304 | 210 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
0 | 211 __ restore_bcp(); |
212 __ restore_locals(); | |
213 // handle exceptions | |
214 { | |
215 Label L; | |
304 | 216 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
0 | 217 __ jcc(Assembler::zero, L); |
218 __ call_VM(noreg, | |
219 CAST_FROM_FN_PTR(address, | |
220 InterpreterRuntime::throw_pending_exception)); | |
221 __ should_not_reach_here(); | |
222 __ bind(L); | |
223 } | |
224 __ dispatch_next(state, step); | |
225 return entry; | |
226 } | |
227 | |
228 int AbstractInterpreter::BasicType_as_index(BasicType type) { | |
229 int i = 0; | |
230 switch (type) { | |
231 case T_BOOLEAN: i = 0; break; | |
232 case T_CHAR : i = 1; break; | |
233 case T_BYTE : i = 2; break; | |
234 case T_SHORT : i = 3; break; | |
235 case T_INT : i = 4; break; | |
236 case T_LONG : i = 5; break; | |
237 case T_VOID : i = 6; break; | |
238 case T_FLOAT : i = 7; break; | |
239 case T_DOUBLE : i = 8; break; | |
240 case T_OBJECT : i = 9; break; | |
241 case T_ARRAY : i = 9; break; | |
242 default : ShouldNotReachHere(); | |
243 } | |
244 assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers, | |
245 "index out of bounds"); | |
246 return i; | |
247 } | |
248 | |
249 | |
250 address TemplateInterpreterGenerator::generate_result_handler_for( | |
251 BasicType type) { | |
252 address entry = __ pc(); | |
253 switch (type) { | |
254 case T_BOOLEAN: __ c2bool(rax); break; | |
255 case T_CHAR : __ movzwl(rax, rax); break; | |
256 case T_BYTE : __ sign_extend_byte(rax); break; | |
257 case T_SHORT : __ sign_extend_short(rax); break; | |
258 case T_INT : /* nothing to do */ break; | |
259 case T_LONG : /* nothing to do */ break; | |
260 case T_VOID : /* nothing to do */ break; | |
261 case T_FLOAT : /* nothing to do */ break; | |
262 case T_DOUBLE : /* nothing to do */ break; | |
263 case T_OBJECT : | |
264 // retrieve result from frame | |
304 | 265 __ movptr(rax, Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize)); |
0 | 266 // and verify it |
267 __ verify_oop(rax); | |
268 break; | |
269 default : ShouldNotReachHere(); | |
270 } | |
271 __ ret(0); // return from result handler | |
272 return entry; | |
273 } | |
274 | |
275 address TemplateInterpreterGenerator::generate_safept_entry_for( | |
276 TosState state, | |
277 address runtime_entry) { | |
278 address entry = __ pc(); | |
279 __ push(state); | |
280 __ call_VM(noreg, runtime_entry); | |
281 __ dispatch_via(vtos, Interpreter::_normal_table.table_for(vtos)); | |
282 return entry; | |
283 } | |
284 | |
285 | |
286 | |
287 // Helpers for commoning out cases in the various type of method entries. | |
288 // | |
289 | |
290 | |
291 // increment invocation count & check for overflow | |
292 // | |
293 // Note: checking for negative value instead of overflow | |
294 // so we have a 'sticky' overflow test | |
295 // | |
296 // rbx: method | |
297 // ecx: invocation counter | |
298 // | |
299 void InterpreterGenerator::generate_counter_incr( | |
300 Label* overflow, | |
301 Label* profile_method, | |
302 Label* profile_method_continue) { | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
303 Label done; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
304 // Note: In tiered we increment either counters in Method* or in MDO depending if we're profiling or not. |
1783 | 305 if (TieredCompilation) { |
306 int increment = InvocationCounter::count_increment; | |
307 int mask = ((1 << Tier0InvokeNotifyFreqLog) - 1) << InvocationCounter::count_shift; | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
308 Label no_mdo; |
1783 | 309 if (ProfileInterpreter) { |
310 // Are we profiling? | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
311 __ movptr(rax, Address(rbx, Method::method_data_offset())); |
1783 | 312 __ testptr(rax, rax); |
313 __ jccb(Assembler::zero, no_mdo); | |
314 // Increment counter in the MDO | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
315 const Address mdo_invocation_counter(rax, in_bytes(MethodData::invocation_counter_offset()) + |
1783 | 316 in_bytes(InvocationCounter::counter_offset())); |
317 __ increment_mask_and_jump(mdo_invocation_counter, increment, mask, rcx, false, Assembler::zero, overflow); | |
10141
47766e2d2527
8013041: guarantee(this->is8bit(imm8)) failed: Short forward jump exceeds 8-bit offset.
jiangli
parents:
10105
diff
changeset
|
318 __ jmp(done); |
1783 | 319 } |
320 __ bind(no_mdo); | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
321 // Increment counter in MethodCounters |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
322 const Address invocation_counter(rax, |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
323 MethodCounters::invocation_counter_offset() + |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
324 InvocationCounter::counter_offset()); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
325 __ get_method_counters(rbx, rax, done); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
326 __ increment_mask_and_jump(invocation_counter, increment, mask, rcx, |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
327 false, Assembler::zero, overflow); |
1783 | 328 __ bind(done); |
329 } else { | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
330 const Address backedge_counter(rax, |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
331 MethodCounters::backedge_counter_offset() + |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
332 InvocationCounter::counter_offset()); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
333 const Address invocation_counter(rax, |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
334 MethodCounters::invocation_counter_offset() + |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
335 InvocationCounter::counter_offset()); |
0 | 336 |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
337 __ get_method_counters(rbx, rax, done); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
338 |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
339 if (ProfileInterpreter) { |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
340 __ incrementl(Address(rax, |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
341 MethodCounters::interpreter_invocation_counter_offset())); |
1783 | 342 } |
343 // Update standard invocation counters | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
344 __ movl(rcx, invocation_counter); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
345 __ incrementl(rcx, InvocationCounter::count_increment); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
346 __ movl(invocation_counter, rcx); // save invocation count |
0 | 347 |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
348 __ movl(rax, backedge_counter); // load backedge counter |
1783 | 349 __ andl(rax, InvocationCounter::count_mask_value); // mask out the status bits |
0 | 350 |
1783 | 351 __ addl(rcx, rax); // add both counters |
0 | 352 |
1783 | 353 // profile_method is non-null only for interpreted method so |
354 // profile_method != NULL == !native_call | |
355 | |
356 if (ProfileInterpreter && profile_method != NULL) { | |
357 // Test to see if we should create a method data oop | |
358 __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterProfileLimit)); | |
359 __ jcc(Assembler::less, *profile_method_continue); | |
0 | 360 |
1783 | 361 // if no method data exists, go to profile_method |
362 __ test_method_data_pointer(rax, *profile_method); | |
363 } | |
364 | |
365 __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterInvocationLimit)); | |
366 __ jcc(Assembler::aboveEqual, *overflow); | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8873
diff
changeset
|
367 __ bind(done); |
0 | 368 } |
369 } | |
370 | |
371 void InterpreterGenerator::generate_counter_overflow(Label* do_continue) { | |
372 | |
373 // Asm interpreter on entry | |
374 // r14 - locals | |
375 // r13 - bcp | |
376 // rbx - method | |
377 // edx - cpool --- DOES NOT APPEAR TO BE TRUE | |
378 // rbp - interpreter frame | |
379 | |
380 // On return (i.e. jump to entry_point) [ back to invocation of interpreter ] | |
381 // Everything as it was on entry | |
382 // rdx is not restored. Doesn't appear to really be set. | |
383 | |
384 // InterpreterRuntime::frequency_counter_overflow takes two | |
385 // arguments, the first (thread) is passed by call_VM, the second | |
386 // indicates if the counter overflow occurs at a backwards branch | |
387 // (NULL bcp). We pass zero for it. The call returns the address | |
388 // of the verified entry point for the method or NULL if the | |
389 // compilation did not complete (either went background or bailed | |
390 // out). | |
391 __ movl(c_rarg1, 0); | |
392 __ call_VM(noreg, | |
393 CAST_FROM_FN_PTR(address, | |
394 InterpreterRuntime::frequency_counter_overflow), | |
395 c_rarg1); | |
396 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
397 __ movptr(rbx, Address(rbp, method_offset)); // restore Method* |
0 | 398 // Preserve invariant that r13/r14 contain bcp/locals of sender frame |
399 // and jump to the interpreted entry. | |
400 __ jmp(*do_continue, relocInfo::none); | |
401 } | |
402 | |
403 // See if we've got enough room on the stack for locals plus overhead. | |
404 // The expression stack grows down incrementally, so the normal guard | |
405 // page mechanism will work for that. | |
406 // | |
407 // NOTE: Since the additional locals are also always pushed (wasn't | |
408 // obvious in generate_method_entry) so the guard should work for them | |
409 // too. | |
410 // | |
411 // Args: | |
412 // rdx: number of additional locals this frame needs (what we must check) | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
413 // rbx: Method* |
0 | 414 // |
415 // Kills: | |
416 // rax | |
417 void InterpreterGenerator::generate_stack_overflow_check(void) { | |
418 | |
419 // monitor entry size: see picture of stack set | |
420 // (generate_method_entry) and frame_amd64.hpp | |
421 const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; | |
422 | |
423 // total overhead size: entry_size + (saved rbp through expr stack | |
424 // bottom). be sure to change this if you add/subtract anything | |
425 // to/from the overhead area | |
426 const int overhead_size = | |
427 -(frame::interpreter_frame_initial_sp_offset * wordSize) + entry_size; | |
428 | |
429 const int page_size = os::vm_page_size(); | |
430 | |
431 Label after_frame_check; | |
432 | |
433 // see if the frame is greater than one page in size. If so, | |
434 // then we need to verify there is enough stack space remaining | |
435 // for the additional locals. | |
1506 | 436 __ cmpl(rdx, (page_size - overhead_size) / Interpreter::stackElementSize); |
0 | 437 __ jcc(Assembler::belowEqual, after_frame_check); |
438 | |
439 // compute rsp as if this were going to be the last frame on | |
440 // the stack before the red zone | |
441 | |
442 const Address stack_base(r15_thread, Thread::stack_base_offset()); | |
443 const Address stack_size(r15_thread, Thread::stack_size_offset()); | |
444 | |
445 // locals + overhead, in bytes | |
304 | 446 __ mov(rax, rdx); |
1506 | 447 __ shlptr(rax, Interpreter::logStackElementSize); // 2 slots per parameter. |
304 | 448 __ addptr(rax, overhead_size); |
0 | 449 |
450 #ifdef ASSERT | |
451 Label stack_base_okay, stack_size_okay; | |
452 // verify that thread stack base is non-zero | |
304 | 453 __ cmpptr(stack_base, (int32_t)NULL_WORD); |
0 | 454 __ jcc(Assembler::notEqual, stack_base_okay); |
455 __ stop("stack base is zero"); | |
456 __ bind(stack_base_okay); | |
457 // verify that thread stack size is non-zero | |
304 | 458 __ cmpptr(stack_size, 0); |
0 | 459 __ jcc(Assembler::notEqual, stack_size_okay); |
460 __ stop("stack size is zero"); | |
461 __ bind(stack_size_okay); | |
462 #endif | |
463 | |
464 // Add stack base to locals and subtract stack size | |
304 | 465 __ addptr(rax, stack_base); |
466 __ subptr(rax, stack_size); | |
0 | 467 |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
468 // Use the maximum number of pages we might bang. |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
469 const int max_pages = StackShadowPages > (StackRedPages+StackYellowPages) ? StackShadowPages : |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
470 (StackRedPages+StackYellowPages); |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
471 |
0 | 472 // add in the red and yellow zone sizes |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
473 __ addptr(rax, max_pages * page_size); |
0 | 474 |
475 // check against the current stack bottom | |
304 | 476 __ cmpptr(rsp, rax); |
0 | 477 __ jcc(Assembler::above, after_frame_check); |
478 | |
4743 | 479 // Restore sender's sp as SP. This is necessary if the sender's |
480 // frame is an extended compiled frame (see gen_c2i_adapter()) | |
481 // and safer anyway in case of JSR292 adaptations. | |
482 | |
483 __ pop(rax); // return address must be moved if SP is changed | |
484 __ mov(rsp, r13); | |
485 __ push(rax); | |
486 | |
487 // Note: the restored frame is not necessarily interpreted. | |
488 // Use the shared runtime version of the StackOverflowError. | |
489 assert(StubRoutines::throw_StackOverflowError_entry() != NULL, "stub not yet generated"); | |
490 __ jump(ExternalAddress(StubRoutines::throw_StackOverflowError_entry())); | |
0 | 491 |
492 // all done with frame size check | |
493 __ bind(after_frame_check); | |
494 } | |
495 | |
496 // Allocate monitor and lock method (asm interpreter) | |
497 // | |
498 // Args: | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
499 // rbx: Method* |
0 | 500 // r14: locals |
501 // | |
502 // Kills: | |
503 // rax | |
504 // c_rarg0, c_rarg1, c_rarg2, c_rarg3, ...(param regs) | |
505 // rscratch1, rscratch2 (scratch regs) | |
506 void InterpreterGenerator::lock_method(void) { | |
507 // synchronize method | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
508 const Address access_flags(rbx, Method::access_flags_offset()); |
0 | 509 const Address monitor_block_top( |
510 rbp, | |
511 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
512 const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; | |
513 | |
514 #ifdef ASSERT | |
515 { | |
516 Label L; | |
517 __ movl(rax, access_flags); | |
518 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
519 __ jcc(Assembler::notZero, L); | |
520 __ stop("method doesn't need synchronization"); | |
521 __ bind(L); | |
522 } | |
523 #endif // ASSERT | |
524 | |
525 // get synchronization object | |
526 { | |
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
4042
diff
changeset
|
527 const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
0 | 528 Label done; |
529 __ movl(rax, access_flags); | |
530 __ testl(rax, JVM_ACC_STATIC); | |
531 // get receiver (assume this is frequent case) | |
304 | 532 __ movptr(rax, Address(r14, Interpreter::local_offset_in_bytes(0))); |
0 | 533 __ jcc(Assembler::zero, done); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
534 __ movptr(rax, Address(rbx, Method::const_offset())); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
535 __ movptr(rax, Address(rax, ConstMethod::constants_offset())); |
304 | 536 __ movptr(rax, Address(rax, |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
537 ConstantPool::pool_holder_offset_in_bytes())); |
304 | 538 __ movptr(rax, Address(rax, mirror_offset)); |
0 | 539 |
540 #ifdef ASSERT | |
541 { | |
542 Label L; | |
304 | 543 __ testptr(rax, rax); |
0 | 544 __ jcc(Assembler::notZero, L); |
545 __ stop("synchronization object is NULL"); | |
546 __ bind(L); | |
547 } | |
548 #endif // ASSERT | |
549 | |
550 __ bind(done); | |
551 } | |
552 | |
553 // add space for monitor & lock | |
304 | 554 __ subptr(rsp, entry_size); // add space for a monitor entry |
555 __ movptr(monitor_block_top, rsp); // set new monitor block top | |
0 | 556 // store object |
304 | 557 __ movptr(Address(rsp, BasicObjectLock::obj_offset_in_bytes()), rax); |
558 __ movptr(c_rarg1, rsp); // object address | |
0 | 559 __ lock_object(c_rarg1); |
560 } | |
561 | |
562 // Generate a fixed interpreter frame. This is identical setup for | |
563 // interpreted methods and for native methods hence the shared code. | |
564 // | |
565 // Args: | |
566 // rax: return address | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
567 // rbx: Method* |
0 | 568 // r14: pointer to locals |
569 // r13: sender sp | |
570 // rdx: cp cache | |
571 void TemplateInterpreterGenerator::generate_fixed_frame(bool native_call) { | |
572 // initialize fixed part of activation frame | |
304 | 573 __ push(rax); // save return address |
0 | 574 __ enter(); // save old & set new rbp |
304 | 575 __ push(r13); // set sender sp |
576 __ push((int)NULL_WORD); // leave last_sp as null | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
577 __ movptr(r13, Address(rbx, Method::const_offset())); // get ConstMethod* |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
578 __ lea(r13, Address(r13, ConstMethod::codes_offset())); // get codebase |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
579 __ push(rbx); // save Method* |
0 | 580 if (ProfileInterpreter) { |
581 Label method_data_continue; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
582 __ movptr(rdx, Address(rbx, in_bytes(Method::method_data_offset()))); |
304 | 583 __ testptr(rdx, rdx); |
0 | 584 __ jcc(Assembler::zero, method_data_continue); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
585 __ addptr(rdx, in_bytes(MethodData::data_offset())); |
0 | 586 __ bind(method_data_continue); |
304 | 587 __ push(rdx); // set the mdp (method data pointer) |
0 | 588 } else { |
304 | 589 __ push(0); |
0 | 590 } |
591 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
592 __ movptr(rdx, Address(rbx, Method::const_offset())); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
593 __ movptr(rdx, Address(rdx, ConstMethod::constants_offset())); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
594 __ movptr(rdx, Address(rdx, ConstantPool::cache_offset_in_bytes())); |
304 | 595 __ push(rdx); // set constant pool cache |
596 __ push(r14); // set locals pointer | |
0 | 597 if (native_call) { |
304 | 598 __ push(0); // no bcp |
0 | 599 } else { |
304 | 600 __ push(r13); // set bcp |
0 | 601 } |
304 | 602 __ push(0); // reserve word for pointer to expression stack bottom |
603 __ movptr(Address(rsp, 0), rsp); // set expression stack bottom | |
0 | 604 } |
605 | |
606 // End of helpers | |
607 | |
304 | 608 // Various method entries |
609 //------------------------------------------------------------------------------------------------------------------------ | |
610 // | |
611 // | |
612 | |
613 // Call an accessor method (assuming it is resolved, otherwise drop | |
614 // into vanilla (slow path) entry | |
615 address InterpreterGenerator::generate_accessor_entry(void) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
616 // rbx: Method* |
304 | 617 |
618 // r13: senderSP must preserver for slow path, set SP to it on fast path | |
619 | |
620 address entry_point = __ pc(); | |
621 Label xreturn_path; | |
622 | |
623 // do fastpath for resolved accessor methods | |
624 if (UseFastAccessorMethods) { | |
625 // Code: _aload_0, _(i|a)getfield, _(i|a)return or any rewrites | |
626 // thereof; parameter size = 1 | |
627 // Note: We can only use this code if the getfield has been resolved | |
628 // and if we don't have a null-pointer exception => check for | |
629 // these conditions first and use slow path if necessary. | |
630 Label slow_path; | |
631 // If we need a safepoint check, generate full interpreter entry. | |
632 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), | |
633 SafepointSynchronize::_not_synchronized); | |
634 | |
635 __ jcc(Assembler::notEqual, slow_path); | |
636 // rbx: method | |
637 __ movptr(rax, Address(rsp, wordSize)); | |
638 | |
639 // check if local 0 != NULL and read field | |
640 __ testptr(rax, rax); | |
641 __ jcc(Assembler::zero, slow_path); | |
642 | |
643 // read first instruction word and extract bytecode @ 1 and index @ 2 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
644 __ movptr(rdx, Address(rbx, Method::const_offset())); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
645 __ movptr(rdi, Address(rdx, ConstMethod::constants_offset())); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
646 __ movl(rdx, Address(rdx, ConstMethod::codes_offset())); |
304 | 647 // Shift codes right to get the index on the right. |
648 // The bytecode fetched looks like <index><0xb4><0x2a> | |
649 __ shrl(rdx, 2 * BitsPerByte); | |
650 __ shll(rdx, exact_log2(in_words(ConstantPoolCacheEntry::size()))); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
651 __ movptr(rdi, Address(rdi, ConstantPool::cache_offset_in_bytes())); |
304 | 652 |
653 // rax: local 0 | |
654 // rbx: method | |
655 // rdx: constant pool cache index | |
656 // rdi: constant pool cache | |
657 | |
658 // check if getfield has been resolved and read constant pool cache entry | |
659 // check the validity of the cache entry by testing whether _indices field | |
660 // contains Bytecode::_getfield in b1 byte. | |
661 assert(in_words(ConstantPoolCacheEntry::size()) == 4, | |
662 "adjust shift below"); | |
663 __ movl(rcx, | |
664 Address(rdi, | |
665 rdx, | |
666 Address::times_8, | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
667 ConstantPoolCache::base_offset() + |
304 | 668 ConstantPoolCacheEntry::indices_offset())); |
669 __ shrl(rcx, 2 * BitsPerByte); | |
670 __ andl(rcx, 0xFF); | |
671 __ cmpl(rcx, Bytecodes::_getfield); | |
672 __ jcc(Assembler::notEqual, slow_path); | |
673 | |
674 // Note: constant pool entry is not valid before bytecode is resolved | |
675 __ movptr(rcx, | |
676 Address(rdi, | |
677 rdx, | |
678 Address::times_8, | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
679 ConstantPoolCache::base_offset() + |
304 | 680 ConstantPoolCacheEntry::f2_offset())); |
681 // edx: flags | |
682 __ movl(rdx, | |
683 Address(rdi, | |
684 rdx, | |
685 Address::times_8, | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
686 ConstantPoolCache::base_offset() + |
304 | 687 ConstantPoolCacheEntry::flags_offset())); |
688 | |
689 Label notObj, notInt, notByte, notShort; | |
690 const Address field_address(rax, rcx, Address::times_1); | |
691 | |
692 // Need to differentiate between igetfield, agetfield, bgetfield etc. | |
693 // because they are different sizes. | |
694 // Use the type from the constant pool cache | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6123
diff
changeset
|
695 __ shrl(rdx, ConstantPoolCacheEntry::tos_state_shift); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6123
diff
changeset
|
696 // Make sure we don't need to mask edx after the above shift |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6123
diff
changeset
|
697 ConstantPoolCacheEntry::verify_tos_state_shift(); |
304 | 698 |
699 __ cmpl(rdx, atos); | |
700 __ jcc(Assembler::notEqual, notObj); | |
701 // atos | |
702 __ load_heap_oop(rax, field_address); | |
703 __ jmp(xreturn_path); | |
704 | |
705 __ bind(notObj); | |
706 __ cmpl(rdx, itos); | |
707 __ jcc(Assembler::notEqual, notInt); | |
708 // itos | |
709 __ movl(rax, field_address); | |
710 __ jmp(xreturn_path); | |
711 | |
712 __ bind(notInt); | |
713 __ cmpl(rdx, btos); | |
714 __ jcc(Assembler::notEqual, notByte); | |
715 // btos | |
716 __ load_signed_byte(rax, field_address); | |
717 __ jmp(xreturn_path); | |
718 | |
719 __ bind(notByte); | |
720 __ cmpl(rdx, stos); | |
721 __ jcc(Assembler::notEqual, notShort); | |
722 // stos | |
622
56aae7be60d4
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
605
diff
changeset
|
723 __ load_signed_short(rax, field_address); |
304 | 724 __ jmp(xreturn_path); |
725 | |
726 __ bind(notShort); | |
727 #ifdef ASSERT | |
728 Label okay; | |
729 __ cmpl(rdx, ctos); | |
730 __ jcc(Assembler::equal, okay); | |
731 __ stop("what type is this?"); | |
732 __ bind(okay); | |
733 #endif | |
734 // ctos | |
622
56aae7be60d4
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
605
diff
changeset
|
735 __ load_unsigned_short(rax, field_address); |
304 | 736 |
737 __ bind(xreturn_path); | |
738 | |
739 // _ireturn/_areturn | |
740 __ pop(rdi); | |
741 __ mov(rsp, r13); | |
742 __ jmp(rdi); | |
743 __ ret(0); | |
744 | |
745 // generate a vanilla interpreter entry as the slow path | |
746 __ bind(slow_path); | |
747 (void) generate_normal_entry(false); | |
748 } else { | |
749 (void) generate_normal_entry(false); | |
750 } | |
751 | |
752 return entry_point; | |
753 } | |
754 | |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
755 // Method entry for java.lang.ref.Reference.get. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
756 address InterpreterGenerator::generate_Reference_get_entry(void) { |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7402
diff
changeset
|
757 #if INCLUDE_ALL_GCS |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
758 // Code: _aload_0, _getfield, _areturn |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
759 // parameter size = 1 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
760 // |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
761 // The code that gets generated by this routine is split into 2 parts: |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
762 // 1. The "intrinsified" code for G1 (or any SATB based GC), |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
763 // 2. The slow path - which is an expansion of the regular method entry. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
764 // |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
765 // Notes:- |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
766 // * In the G1 code we do not check whether we need to block for |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
767 // a safepoint. If G1 is enabled then we must execute the specialized |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
768 // code for Reference.get (except when the Reference object is null) |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
769 // so that we can log the value in the referent field with an SATB |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
770 // update buffer. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
771 // If the code for the getfield template is modified so that the |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
772 // G1 pre-barrier code is executed when the current method is |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
773 // Reference.get() then going through the normal method entry |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
774 // will be fine. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
775 // * The G1 code can, however, check the receiver object (the instance |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
776 // of java.lang.Reference) and jump to the slow path if null. If the |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
777 // Reference object is null then we obviously cannot fetch the referent |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
778 // and so we don't need to call the G1 pre-barrier. Thus we can use the |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
779 // regular method entry code to generate the NPE. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
780 // |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
781 // This code is based on generate_accessor_enty. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
782 // |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
783 // rbx: Method* |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
784 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
785 // r13: senderSP must preserve for slow path, set SP to it on fast path |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
786 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
787 address entry = __ pc(); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
788 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
789 const int referent_offset = java_lang_ref_Reference::referent_offset; |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
790 guarantee(referent_offset > 0, "referent offset not initialized"); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
791 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
792 if (UseG1GC) { |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
793 Label slow_path; |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
794 // rbx: method |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
795 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
796 // Check if local 0 != NULL |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
797 // If the receiver is null then it is OK to jump to the slow path. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
798 __ movptr(rax, Address(rsp, wordSize)); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
799 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
800 __ testptr(rax, rax); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
801 __ jcc(Assembler::zero, slow_path); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
802 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
803 // rax: local 0 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
804 // rbx: method (but can be used as scratch now) |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
805 // rdx: scratch |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
806 // rdi: scratch |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
807 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
808 // Generate the G1 pre-barrier code to log the value of |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
809 // the referent field in an SATB buffer. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
810 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
811 // Load the value of the referent field. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
812 const Address field_address(rax, referent_offset); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
813 __ load_heap_oop(rax, field_address); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
814 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
815 // Generate the G1 pre-barrier code to log the value of |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
816 // the referent field in an SATB buffer. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
817 __ g1_write_barrier_pre(noreg /* obj */, |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
818 rax /* pre_val */, |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
819 r15_thread /* thread */, |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
820 rbx /* tmp */, |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
821 true /* tosca_live */, |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
822 true /* expand_call */); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
823 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
824 // _areturn |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
825 __ pop(rdi); // get return address |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
826 __ mov(rsp, r13); // set sp to sender sp |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
827 __ jmp(rdi); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
828 __ ret(0); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
829 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
830 // generate a vanilla interpreter entry as the slow path |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
831 __ bind(slow_path); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
832 (void) generate_normal_entry(false); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
833 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
834 return entry; |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
835 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7402
diff
changeset
|
836 #endif // INCLUDE_ALL_GCS |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
837 |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
838 // If G1 is not enabled then attempt to go through the accessor entry point |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
839 // Reference.get is an accessor |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
840 return generate_accessor_entry(); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
841 } |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
842 |
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
843 /** |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
844 * Method entry for static native methods: |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
845 * int java.util.zip.CRC32.update(int crc, int b) |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
846 */ |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
847 address InterpreterGenerator::generate_CRC32_update_entry() { |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
848 if (UseCRC32Intrinsics) { |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
849 address entry = __ pc(); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
850 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
851 // rbx,: Method* |
12070
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
852 // r13: senderSP must preserved for slow path, set SP to it on fast path |
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
853 // c_rarg0: scratch (rdi on non-Win64, rcx on Win64) |
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
854 // c_rarg1: scratch (rsi on non-Win64, rdx on Win64) |
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
855 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
856 Label slow_path; |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
857 // If we need a safepoint check, generate full interpreter entry. |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
858 ExternalAddress state(SafepointSynchronize::address_of_state()); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
859 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
860 SafepointSynchronize::_not_synchronized); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
861 __ jcc(Assembler::notEqual, slow_path); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
862 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
863 // We don't generate local frame and don't align stack because |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
864 // we call stub code and there is no safepoint on this path. |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
865 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
866 // Load parameters |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
867 const Register crc = rax; // crc |
12070
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
868 const Register val = c_rarg0; // source java byte value |
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
869 const Register tbl = c_rarg1; // scratch |
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
870 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
871 // Arguments are reversed on java expression stack |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
872 __ movl(val, Address(rsp, wordSize)); // byte value |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
873 __ movl(crc, Address(rsp, 2*wordSize)); // Initial CRC |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
874 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
875 __ lea(tbl, ExternalAddress(StubRoutines::crc_table_addr())); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
876 __ notl(crc); // ~crc |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
877 __ update_byte_crc32(crc, val, tbl); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
878 __ notl(crc); // ~crc |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
879 // result in rax |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
880 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
881 // _areturn |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
882 __ pop(rdi); // get return address |
12070
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
883 __ mov(rsp, r13); // set sp to sender sp |
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
884 __ jmp(rdi); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
885 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
886 // generate a vanilla native entry as the slow path |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
887 __ bind(slow_path); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
888 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
889 (void) generate_native_entry(false); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
890 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
891 return entry; |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
892 } |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
893 return generate_native_entry(false); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
894 } |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
895 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
896 /** |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
897 * Method entry for static native methods: |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
898 * int java.util.zip.CRC32.updateBytes(int crc, byte[] b, int off, int len) |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
899 * int java.util.zip.CRC32.updateByteBuffer(int crc, long buf, int off, int len) |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
900 */ |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
901 address InterpreterGenerator::generate_CRC32_updateBytes_entry(AbstractInterpreter::MethodKind kind) { |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
902 if (UseCRC32Intrinsics) { |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
903 address entry = __ pc(); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
904 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
905 // rbx,: Method* |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
906 // r13: senderSP must preserved for slow path, set SP to it on fast path |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
907 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
908 Label slow_path; |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
909 // If we need a safepoint check, generate full interpreter entry. |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
910 ExternalAddress state(SafepointSynchronize::address_of_state()); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
911 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
912 SafepointSynchronize::_not_synchronized); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
913 __ jcc(Assembler::notEqual, slow_path); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
914 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
915 // We don't generate local frame and don't align stack because |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
916 // we call stub code and there is no safepoint on this path. |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
917 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
918 // Load parameters |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
919 const Register crc = c_rarg0; // crc |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
920 const Register buf = c_rarg1; // source java byte array address |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
921 const Register len = c_rarg2; // length |
12070
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
922 const Register off = len; // offset (never overlaps with 'len') |
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
923 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
924 // Arguments are reversed on java expression stack |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
925 // Calculate address of start element |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
926 if (kind == Interpreter::java_util_zip_CRC32_updateByteBuffer) { |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
927 __ movptr(buf, Address(rsp, 3*wordSize)); // long buf |
12070
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
928 __ movl2ptr(off, Address(rsp, 2*wordSize)); // offset |
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
929 __ addq(buf, off); // + offset |
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
930 __ movl(crc, Address(rsp, 5*wordSize)); // Initial CRC |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
931 } else { |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
932 __ movptr(buf, Address(rsp, 3*wordSize)); // byte[] array |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
933 __ addptr(buf, arrayOopDesc::base_offset_in_bytes(T_BYTE)); // + header size |
12070
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
934 __ movl2ptr(off, Address(rsp, 2*wordSize)); // offset |
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
935 __ addq(buf, off); // + offset |
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
936 __ movl(crc, Address(rsp, 4*wordSize)); // Initial CRC |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
937 } |
12070
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
938 // Can now load 'len' since we're finished with 'off' |
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
939 __ movl(len, Address(rsp, wordSize)); // Length |
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
940 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
941 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, StubRoutines::updateBytesCRC32()), crc, buf, len); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
942 // result in rax |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
943 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
944 // _areturn |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
945 __ pop(rdi); // get return address |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
946 __ mov(rsp, r13); // set sp to sender sp |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
947 __ jmp(rdi); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
948 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
949 // generate a vanilla native entry as the slow path |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
950 __ bind(slow_path); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
951 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
952 (void) generate_native_entry(false); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
953 |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
954 return entry; |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
955 } |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
956 return generate_native_entry(false); |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
957 } |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
958 |
0 | 959 // Interpreter stub for calling a native method. (asm interpreter) |
960 // This sets up a somewhat different looking stack for calling the | |
961 // native method than the typical interpreter frame setup. | |
962 address InterpreterGenerator::generate_native_entry(bool synchronized) { | |
963 // determine code generation flags | |
964 bool inc_counter = UseCompiler || CountCompiledCalls; | |
965 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
966 // rbx: Method* |
0 | 967 // r13: sender sp |
968 | |
969 address entry_point = __ pc(); | |
970 | |
7402
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7199
diff
changeset
|
971 const Address constMethod (rbx, Method::const_offset()); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
972 const Address access_flags (rbx, Method::access_flags_offset()); |
7402
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7199
diff
changeset
|
973 const Address size_of_parameters(rcx, ConstMethod:: |
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7199
diff
changeset
|
974 size_of_parameters_offset()); |
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7199
diff
changeset
|
975 |
0 | 976 |
977 // get parameter size (always needed) | |
7402
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7199
diff
changeset
|
978 __ movptr(rcx, constMethod); |
622
56aae7be60d4
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
605
diff
changeset
|
979 __ load_unsigned_short(rcx, size_of_parameters); |
0 | 980 |
981 // native calls don't need the stack size check since they have no | |
982 // expression stack and the arguments are already on the stack and | |
983 // we only add a handful of words to the stack | |
984 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
985 // rbx: Method* |
0 | 986 // rcx: size of parameters |
987 // r13: sender sp | |
304 | 988 __ pop(rax); // get return address |
0 | 989 |
990 // for natives the size of locals is zero | |
991 | |
992 // compute beginning of parameters (r14) | |
304 | 993 __ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize)); |
0 | 994 |
995 // add 2 zero-initialized slots for native calls | |
996 // initialize result_handler slot | |
304 | 997 __ push((int) NULL_WORD); |
0 | 998 // slot for oop temp |
999 // (static native method holder mirror/jni oop result) | |
304 | 1000 __ push((int) NULL_WORD); |
0 | 1001 |
1002 // initialize fixed part of activation frame | |
1003 generate_fixed_frame(true); | |
1004 | |
1005 // make sure method is native & not abstract | |
1006 #ifdef ASSERT | |
1007 __ movl(rax, access_flags); | |
1008 { | |
1009 Label L; | |
1010 __ testl(rax, JVM_ACC_NATIVE); | |
1011 __ jcc(Assembler::notZero, L); | |
1012 __ stop("tried to execute non-native method as native"); | |
1013 __ bind(L); | |
1014 } | |
1015 { | |
1016 Label L; | |
1017 __ testl(rax, JVM_ACC_ABSTRACT); | |
1018 __ jcc(Assembler::zero, L); | |
1019 __ stop("tried to execute abstract method in interpreter"); | |
1020 __ bind(L); | |
1021 } | |
1022 #endif | |
1023 | |
1024 // Since at this point in the method invocation the exception handler | |
1025 // would try to exit the monitor of synchronized methods which hasn't | |
1026 // been entered yet, we set the thread local variable | |
1027 // _do_not_unlock_if_synchronized to true. The remove_activation will | |
1028 // check this flag. | |
1029 | |
1030 const Address do_not_unlock_if_synchronized(r15_thread, | |
1031 in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); | |
1032 __ movbool(do_not_unlock_if_synchronized, true); | |
1033 | |
1034 // increment invocation count & check for overflow | |
1035 Label invocation_counter_overflow; | |
1036 if (inc_counter) { | |
1037 generate_counter_incr(&invocation_counter_overflow, NULL, NULL); | |
1038 } | |
1039 | |
1040 Label continue_after_compile; | |
1041 __ bind(continue_after_compile); | |
1042 | |
1043 bang_stack_shadow_pages(true); | |
1044 | |
1045 // reset the _do_not_unlock_if_synchronized flag | |
1046 __ movbool(do_not_unlock_if_synchronized, false); | |
1047 | |
1048 // check for synchronized methods | |
1049 // Must happen AFTER invocation_counter check and stack overflow check, | |
1050 // so method is not locked if overflows. | |
1051 if (synchronized) { | |
1052 lock_method(); | |
1053 } else { | |
1054 // no synchronization necessary | |
1055 #ifdef ASSERT | |
1056 { | |
1057 Label L; | |
1058 __ movl(rax, access_flags); | |
1059 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
1060 __ jcc(Assembler::zero, L); | |
1061 __ stop("method needs synchronization"); | |
1062 __ bind(L); | |
1063 } | |
1064 #endif | |
1065 } | |
1066 | |
1067 // start execution | |
1068 #ifdef ASSERT | |
1069 { | |
1070 Label L; | |
1071 const Address monitor_block_top(rbp, | |
1072 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
304 | 1073 __ movptr(rax, monitor_block_top); |
1074 __ cmpptr(rax, rsp); | |
0 | 1075 __ jcc(Assembler::equal, L); |
1076 __ stop("broken stack frame setup in interpreter"); | |
1077 __ bind(L); | |
1078 } | |
1079 #endif | |
1080 | |
1081 // jvmti support | |
1082 __ notify_method_entry(); | |
1083 | |
1084 // work registers | |
1085 const Register method = rbx; | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
1086 const Register t = r11; |
0 | 1087 |
1088 // allocate space for parameters | |
1089 __ get_method(method); | |
7402
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7199
diff
changeset
|
1090 __ movptr(t, Address(method, Method::const_offset())); |
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7199
diff
changeset
|
1091 __ load_unsigned_short(t, Address(t, ConstMethod::size_of_parameters_offset())); |
1506 | 1092 __ shll(t, Interpreter::logStackElementSize); |
0 | 1093 |
304 | 1094 __ subptr(rsp, t); |
1095 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows | |
605 | 1096 __ andptr(rsp, -16); // must be 16 byte boundary (see amd64 ABI) |
0 | 1097 |
1098 // get signature handler | |
1099 { | |
1100 Label L; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1101 __ movptr(t, Address(method, Method::signature_handler_offset())); |
304 | 1102 __ testptr(t, t); |
0 | 1103 __ jcc(Assembler::notZero, L); |
1104 __ call_VM(noreg, | |
1105 CAST_FROM_FN_PTR(address, | |
1106 InterpreterRuntime::prepare_native_call), | |
1107 method); | |
1108 __ get_method(method); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1109 __ movptr(t, Address(method, Method::signature_handler_offset())); |
0 | 1110 __ bind(L); |
1111 } | |
1112 | |
1113 // call signature handler | |
1114 assert(InterpreterRuntime::SignatureHandlerGenerator::from() == r14, | |
1115 "adjust this code"); | |
1116 assert(InterpreterRuntime::SignatureHandlerGenerator::to() == rsp, | |
1117 "adjust this code"); | |
1118 assert(InterpreterRuntime::SignatureHandlerGenerator::temp() == rscratch1, | |
1119 "adjust this code"); | |
1120 | |
1121 // The generated handlers do not touch RBX (the method oop). | |
1122 // However, large signatures cannot be cached and are generated | |
1123 // each time here. The slow-path generator can do a GC on return, | |
1124 // so we must reload it after the call. | |
1125 __ call(t); | |
1126 __ get_method(method); // slow path can do a GC, reload RBX | |
1127 | |
1128 | |
1129 // result handler is in rax | |
1130 // set result handler | |
304 | 1131 __ movptr(Address(rbp, |
1132 (frame::interpreter_frame_result_handler_offset) * wordSize), | |
1133 rax); | |
0 | 1134 |
1135 // pass mirror handle if static call | |
1136 { | |
1137 Label L; | |
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
4042
diff
changeset
|
1138 const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1139 __ movl(t, Address(method, Method::access_flags_offset())); |
0 | 1140 __ testl(t, JVM_ACC_STATIC); |
1141 __ jcc(Assembler::zero, L); | |
1142 // get mirror | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1143 __ movptr(t, Address(method, Method::const_offset())); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1144 __ movptr(t, Address(t, ConstMethod::constants_offset())); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1145 __ movptr(t, Address(t, ConstantPool::pool_holder_offset_in_bytes())); |
304 | 1146 __ movptr(t, Address(t, mirror_offset)); |
0 | 1147 // copy mirror into activation frame |
304 | 1148 __ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize), |
0 | 1149 t); |
1150 // pass handle to mirror | |
304 | 1151 __ lea(c_rarg1, |
1152 Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize)); | |
0 | 1153 __ bind(L); |
1154 } | |
1155 | |
1156 // get native function entry point | |
1157 { | |
1158 Label L; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1159 __ movptr(rax, Address(method, Method::native_function_offset())); |
0 | 1160 ExternalAddress unsatisfied(SharedRuntime::native_method_throw_unsatisfied_link_error_entry()); |
1161 __ movptr(rscratch2, unsatisfied.addr()); | |
304 | 1162 __ cmpptr(rax, rscratch2); |
0 | 1163 __ jcc(Assembler::notEqual, L); |
1164 __ call_VM(noreg, | |
1165 CAST_FROM_FN_PTR(address, | |
1166 InterpreterRuntime::prepare_native_call), | |
1167 method); | |
1168 __ get_method(method); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1169 __ movptr(rax, Address(method, Method::native_function_offset())); |
0 | 1170 __ bind(L); |
1171 } | |
1172 | |
1173 // pass JNIEnv | |
304 | 1174 __ lea(c_rarg0, Address(r15_thread, JavaThread::jni_environment_offset())); |
0 | 1175 |
1176 // It is enough that the pc() points into the right code | |
1177 // segment. It does not have to be the correct return pc. | |
1178 __ set_last_Java_frame(rsp, rbp, (address) __ pc()); | |
1179 | |
1180 // change thread state | |
1181 #ifdef ASSERT | |
1182 { | |
1183 Label L; | |
1184 __ movl(t, Address(r15_thread, JavaThread::thread_state_offset())); | |
1185 __ cmpl(t, _thread_in_Java); | |
1186 __ jcc(Assembler::equal, L); | |
1187 __ stop("Wrong thread state in native stub"); | |
1188 __ bind(L); | |
1189 } | |
1190 #endif | |
1191 | |
1192 // Change state to native | |
1193 | |
1194 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), | |
1195 _thread_in_native); | |
1196 | |
1197 // Call the native method. | |
1198 __ call(rax); | |
1199 // result potentially in rax or xmm0 | |
1200 | |
8873
e961c11b85fe
8011102: Clear AVX registers after return from JNI call
kvn
parents:
8727
diff
changeset
|
1201 // Verify or restore cpu control state after JNI call |
e961c11b85fe
8011102: Clear AVX registers after return from JNI call
kvn
parents:
8727
diff
changeset
|
1202 __ restore_cpu_control_state_after_jni(); |
0 | 1203 |
1204 // NOTE: The order of these pushes is known to frame::interpreter_frame_result | |
1205 // in order to extract the result of a method call. If the order of these | |
1206 // pushes change or anything else is added to the stack then the code in | |
1207 // interpreter_frame_result must also change. | |
1208 | |
1209 __ push(dtos); | |
1210 __ push(ltos); | |
1211 | |
1212 // change thread state | |
1213 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), | |
1214 _thread_in_native_trans); | |
1215 | |
1216 if (os::is_MP()) { | |
1217 if (UseMembar) { | |
1218 // Force this write out before the read below | |
1219 __ membar(Assembler::Membar_mask_bits( | |
1220 Assembler::LoadLoad | Assembler::LoadStore | | |
1221 Assembler::StoreLoad | Assembler::StoreStore)); | |
1222 } else { | |
1223 // Write serialization page so VM thread can do a pseudo remote membar. | |
1224 // We use the current thread pointer to calculate a thread specific | |
1225 // offset to write to within the page. This minimizes bus traffic | |
1226 // due to cache line collision. | |
1227 __ serialize_memory(r15_thread, rscratch2); | |
1228 } | |
1229 } | |
1230 | |
1231 // check for safepoint operation in progress and/or pending suspend requests | |
1232 { | |
1233 Label Continue; | |
1234 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), | |
1235 SafepointSynchronize::_not_synchronized); | |
1236 | |
1237 Label L; | |
1238 __ jcc(Assembler::notEqual, L); | |
1239 __ cmpl(Address(r15_thread, JavaThread::suspend_flags_offset()), 0); | |
1240 __ jcc(Assembler::equal, Continue); | |
1241 __ bind(L); | |
1242 | |
1243 // Don't use call_VM as it will see a possible pending exception | |
1244 // and forward it and never return here preventing us from | |
1245 // clearing _last_native_pc down below. Also can't use | |
1246 // call_VM_leaf either as it will check to see if r13 & r14 are | |
1247 // preserved and correspond to the bcp/locals pointers. So we do a | |
1248 // runtime call by hand. | |
1249 // | |
304 | 1250 __ mov(c_rarg0, r15_thread); |
1976
0fc262af204f
6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
coleenp
parents:
1972
diff
changeset
|
1251 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
304 | 1252 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
1253 __ andptr(rsp, -16); // align stack as required by ABI | |
0 | 1254 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, JavaThread::check_special_condition_for_native_trans))); |
304 | 1255 __ mov(rsp, r12); // restore sp |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
1256 __ reinit_heapbase(); |
0 | 1257 __ bind(Continue); |
1258 } | |
1259 | |
1260 // change thread state | |
1261 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), _thread_in_Java); | |
1262 | |
1263 // reset_last_Java_frame | |
1264 __ reset_last_Java_frame(true, true); | |
1265 | |
1266 // reset handle block | |
304 | 1267 __ movptr(t, Address(r15_thread, JavaThread::active_handles_offset())); |
1268 __ movptr(Address(t, JNIHandleBlock::top_offset_in_bytes()), (int32_t)NULL_WORD); | |
0 | 1269 |
1270 // If result is an oop unbox and store it in frame where gc will see it | |
1271 // and result handler will pick it up | |
1272 | |
1273 { | |
1274 Label no_oop, store_result; | |
1275 __ lea(t, ExternalAddress(AbstractInterpreter::result_handler(T_OBJECT))); | |
304 | 1276 __ cmpptr(t, Address(rbp, frame::interpreter_frame_result_handler_offset*wordSize)); |
0 | 1277 __ jcc(Assembler::notEqual, no_oop); |
1278 // retrieve result | |
1279 __ pop(ltos); | |
304 | 1280 __ testptr(rax, rax); |
0 | 1281 __ jcc(Assembler::zero, store_result); |
304 | 1282 __ movptr(rax, Address(rax, 0)); |
0 | 1283 __ bind(store_result); |
304 | 1284 __ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize), rax); |
0 | 1285 // keep stack depth as expected by pushing oop which will eventually be discarde |
1286 __ push(ltos); | |
1287 __ bind(no_oop); | |
1288 } | |
1289 | |
1290 | |
1291 { | |
1292 Label no_reguard; | |
1293 __ cmpl(Address(r15_thread, JavaThread::stack_guard_state_offset()), | |
1294 JavaThread::stack_guard_yellow_disabled); | |
1295 __ jcc(Assembler::notEqual, no_reguard); | |
1296 | |
304 | 1297 __ pusha(); // XXX only save smashed registers |
1976
0fc262af204f
6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
coleenp
parents:
1972
diff
changeset
|
1298 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
304 | 1299 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
1300 __ andptr(rsp, -16); // align stack as required by ABI | |
0 | 1301 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::reguard_yellow_pages))); |
304 | 1302 __ mov(rsp, r12); // restore sp |
1303 __ popa(); // XXX only restore smashed registers | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
1304 __ reinit_heapbase(); |
0 | 1305 |
1306 __ bind(no_reguard); | |
1307 } | |
1308 | |
1309 | |
1310 // The method register is junk from after the thread_in_native transition | |
1311 // until here. Also can't call_VM until the bcp has been | |
1312 // restored. Need bcp for throwing exception below so get it now. | |
1313 __ get_method(method); | |
1314 | |
1315 // restore r13 to have legal interpreter frame, i.e., bci == 0 <=> | |
1316 // r13 == code_base() | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1317 __ movptr(r13, Address(method, Method::const_offset())); // get ConstMethod* |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1318 __ lea(r13, Address(r13, ConstMethod::codes_offset())); // get codebase |
0 | 1319 // handle exceptions (exception handling will handle unlocking!) |
1320 { | |
1321 Label L; | |
304 | 1322 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
0 | 1323 __ jcc(Assembler::zero, L); |
1324 // Note: At some point we may want to unify this with the code | |
1325 // used in call_VM_base(); i.e., we should use the | |
1326 // StubRoutines::forward_exception code. For now this doesn't work | |
1327 // here because the rsp is not correctly set at this point. | |
1328 __ MacroAssembler::call_VM(noreg, | |
1329 CAST_FROM_FN_PTR(address, | |
1330 InterpreterRuntime::throw_pending_exception)); | |
1331 __ should_not_reach_here(); | |
1332 __ bind(L); | |
1333 } | |
1334 | |
1335 // do unlocking if necessary | |
1336 { | |
1337 Label L; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1338 __ movl(t, Address(method, Method::access_flags_offset())); |
0 | 1339 __ testl(t, JVM_ACC_SYNCHRONIZED); |
1340 __ jcc(Assembler::zero, L); | |
1341 // the code below should be shared with interpreter macro | |
1342 // assembler implementation | |
1343 { | |
1344 Label unlock; | |
1345 // BasicObjectLock will be first in list, since this is a | |
1346 // synchronized method. However, need to check that the object | |
1347 // has not been unlocked by an explicit monitorexit bytecode. | |
1348 const Address monitor(rbp, | |
1349 (intptr_t)(frame::interpreter_frame_initial_sp_offset * | |
1350 wordSize - sizeof(BasicObjectLock))); | |
1351 | |
1352 // monitor expect in c_rarg1 for slow unlock path | |
304 | 1353 __ lea(c_rarg1, monitor); // address of first monitor |
0 | 1354 |
304 | 1355 __ movptr(t, Address(c_rarg1, BasicObjectLock::obj_offset_in_bytes())); |
1356 __ testptr(t, t); | |
0 | 1357 __ jcc(Assembler::notZero, unlock); |
1358 | |
1359 // Entry already unlocked, need to throw exception | |
1360 __ MacroAssembler::call_VM(noreg, | |
1361 CAST_FROM_FN_PTR(address, | |
1362 InterpreterRuntime::throw_illegal_monitor_state_exception)); | |
1363 __ should_not_reach_here(); | |
1364 | |
1365 __ bind(unlock); | |
1366 __ unlock_object(c_rarg1); | |
1367 } | |
1368 __ bind(L); | |
1369 } | |
1370 | |
1371 // jvmti support | |
1372 // Note: This must happen _after_ handling/throwing any exceptions since | |
1373 // the exception handler code notifies the runtime of method exits | |
1374 // too. If this happens before, method entry/exit notifications are | |
1375 // not properly paired (was bug - gri 11/22/99). | |
1376 __ notify_method_exit(vtos, InterpreterMacroAssembler::NotifyJVMTI); | |
1377 | |
1378 // restore potential result in edx:eax, call result handler to | |
1379 // restore potential result in ST0 & handle result | |
1380 | |
1381 __ pop(ltos); | |
1382 __ pop(dtos); | |
1383 | |
304 | 1384 __ movptr(t, Address(rbp, |
1385 (frame::interpreter_frame_result_handler_offset) * wordSize)); | |
0 | 1386 __ call(t); |
1387 | |
1388 // remove activation | |
304 | 1389 __ movptr(t, Address(rbp, |
1390 frame::interpreter_frame_sender_sp_offset * | |
1391 wordSize)); // get sender sp | |
0 | 1392 __ leave(); // remove frame anchor |
304 | 1393 __ pop(rdi); // get return address |
1394 __ mov(rsp, t); // set sp to sender sp | |
0 | 1395 __ jmp(rdi); |
1396 | |
1397 if (inc_counter) { | |
1398 // Handle overflow of counter and compile method | |
1399 __ bind(invocation_counter_overflow); | |
1400 generate_counter_overflow(&continue_after_compile); | |
1401 } | |
1402 | |
1403 return entry_point; | |
1404 } | |
1405 | |
1406 // | |
1407 // Generic interpreted method entry to (asm) interpreter | |
1408 // | |
1409 address InterpreterGenerator::generate_normal_entry(bool synchronized) { | |
1410 // determine code generation flags | |
1411 bool inc_counter = UseCompiler || CountCompiledCalls; | |
1412 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1413 // ebx: Method* |
0 | 1414 // r13: sender sp |
1415 address entry_point = __ pc(); | |
1416 | |
7402
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7199
diff
changeset
|
1417 const Address constMethod(rbx, Method::const_offset()); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1418 const Address access_flags(rbx, Method::access_flags_offset()); |
7402
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7199
diff
changeset
|
1419 const Address size_of_parameters(rdx, |
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7199
diff
changeset
|
1420 ConstMethod::size_of_parameters_offset()); |
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7199
diff
changeset
|
1421 const Address size_of_locals(rdx, ConstMethod::size_of_locals_offset()); |
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7199
diff
changeset
|
1422 |
0 | 1423 |
1424 // get parameter size (always needed) | |
7402
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7199
diff
changeset
|
1425 __ movptr(rdx, constMethod); |
622
56aae7be60d4
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
605
diff
changeset
|
1426 __ load_unsigned_short(rcx, size_of_parameters); |
0 | 1427 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1428 // rbx: Method* |
0 | 1429 // rcx: size of parameters |
1430 // r13: sender_sp (could differ from sp+wordSize if we were called via c2i ) | |
1431 | |
622
56aae7be60d4
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
605
diff
changeset
|
1432 __ load_unsigned_short(rdx, size_of_locals); // get size of locals in words |
0 | 1433 __ subl(rdx, rcx); // rdx = no. of additional locals |
1434 | |
1435 // YYY | |
1436 // __ incrementl(rdx); | |
1437 // __ andl(rdx, -2); | |
1438 | |
1439 // see if we've got enough room on the stack for locals plus overhead. | |
1440 generate_stack_overflow_check(); | |
1441 | |
1442 // get return address | |
304 | 1443 __ pop(rax); |
0 | 1444 |
1445 // compute beginning of parameters (r14) | |
304 | 1446 __ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize)); |
0 | 1447 |
1448 // rdx - # of additional locals | |
1449 // allocate space for locals | |
1450 // explicitly initialize locals | |
1451 { | |
1452 Label exit, loop; | |
1453 __ testl(rdx, rdx); | |
1454 __ jcc(Assembler::lessEqual, exit); // do nothing if rdx <= 0 | |
1455 __ bind(loop); | |
304 | 1456 __ push((int) NULL_WORD); // initialize local variables |
0 | 1457 __ decrementl(rdx); // until everything initialized |
1458 __ jcc(Assembler::greater, loop); | |
1459 __ bind(exit); | |
1460 } | |
1461 | |
1462 // initialize fixed part of activation frame | |
1463 generate_fixed_frame(false); | |
1464 | |
1465 // make sure method is not native & not abstract | |
1466 #ifdef ASSERT | |
1467 __ movl(rax, access_flags); | |
1468 { | |
1469 Label L; | |
1470 __ testl(rax, JVM_ACC_NATIVE); | |
1471 __ jcc(Assembler::zero, L); | |
1472 __ stop("tried to execute native method as non-native"); | |
1473 __ bind(L); | |
1474 } | |
1475 { | |
1476 Label L; | |
1477 __ testl(rax, JVM_ACC_ABSTRACT); | |
1478 __ jcc(Assembler::zero, L); | |
1479 __ stop("tried to execute abstract method in interpreter"); | |
1480 __ bind(L); | |
1481 } | |
1482 #endif | |
1483 | |
1484 // Since at this point in the method invocation the exception | |
1485 // handler would try to exit the monitor of synchronized methods | |
1486 // which hasn't been entered yet, we set the thread local variable | |
1487 // _do_not_unlock_if_synchronized to true. The remove_activation | |
1488 // will check this flag. | |
1489 | |
1490 const Address do_not_unlock_if_synchronized(r15_thread, | |
1491 in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); | |
1492 __ movbool(do_not_unlock_if_synchronized, true); | |
1493 | |
1494 // increment invocation count & check for overflow | |
1495 Label invocation_counter_overflow; | |
1496 Label profile_method; | |
1497 Label profile_method_continue; | |
1498 if (inc_counter) { | |
1499 generate_counter_incr(&invocation_counter_overflow, | |
1500 &profile_method, | |
1501 &profile_method_continue); | |
1502 if (ProfileInterpreter) { | |
1503 __ bind(profile_method_continue); | |
1504 } | |
1505 } | |
1506 | |
1507 Label continue_after_compile; | |
1508 __ bind(continue_after_compile); | |
1509 | |
1510 // check for synchronized interpreted methods | |
1511 bang_stack_shadow_pages(false); | |
1512 | |
1513 // reset the _do_not_unlock_if_synchronized flag | |
1514 __ movbool(do_not_unlock_if_synchronized, false); | |
1515 | |
1516 // check for synchronized methods | |
1517 // Must happen AFTER invocation_counter check and stack overflow check, | |
1518 // so method is not locked if overflows. | |
1519 if (synchronized) { | |
1520 // Allocate monitor and lock method | |
1521 lock_method(); | |
1522 } else { | |
1523 // no synchronization necessary | |
1524 #ifdef ASSERT | |
1525 { | |
1526 Label L; | |
1527 __ movl(rax, access_flags); | |
1528 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
1529 __ jcc(Assembler::zero, L); | |
1530 __ stop("method needs synchronization"); | |
1531 __ bind(L); | |
1532 } | |
1533 #endif | |
1534 } | |
1535 | |
1536 // start execution | |
1537 #ifdef ASSERT | |
1538 { | |
1539 Label L; | |
1540 const Address monitor_block_top (rbp, | |
1541 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
304 | 1542 __ movptr(rax, monitor_block_top); |
1543 __ cmpptr(rax, rsp); | |
0 | 1544 __ jcc(Assembler::equal, L); |
1545 __ stop("broken stack frame setup in interpreter"); | |
1546 __ bind(L); | |
1547 } | |
1548 #endif | |
1549 | |
1550 // jvmti support | |
1551 __ notify_method_entry(); | |
1552 | |
1553 __ dispatch_next(vtos); | |
1554 | |
1555 // invocation counter overflow | |
1556 if (inc_counter) { | |
1557 if (ProfileInterpreter) { | |
1558 // We have decided to profile this method in the interpreter | |
1559 __ bind(profile_method); | |
2118
dd031b2226de
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
1976
diff
changeset
|
1560 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::profile_method)); |
dd031b2226de
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
1976
diff
changeset
|
1561 __ set_method_data_pointer_for_bcp(); |
2141
b599a4c6c2df
7012766: assert(false) failed: DEBUG MESSAGE in MacroAssembler::debug32
iveresov
parents:
2118
diff
changeset
|
1562 __ get_method(rbx); |
0 | 1563 __ jmp(profile_method_continue); |
1564 } | |
1565 // Handle overflow of counter and compile method | |
1566 __ bind(invocation_counter_overflow); | |
1567 generate_counter_overflow(&continue_after_compile); | |
1568 } | |
1569 | |
1570 return entry_point; | |
1571 } | |
1572 | |
1573 // Entry points | |
1574 // | |
1575 // Here we generate the various kind of entries into the interpreter. | |
1576 // The two main entry type are generic bytecode methods and native | |
1577 // call method. These both come in synchronized and non-synchronized | |
1578 // versions but the frame layout they create is very similar. The | |
1579 // other method entry types are really just special purpose entries | |
1580 // that are really entry and interpretation all in one. These are for | |
1581 // trivial methods like accessor, empty, or special math methods. | |
1582 // | |
1583 // When control flow reaches any of the entry types for the interpreter | |
1584 // the following holds -> | |
1585 // | |
1586 // Arguments: | |
1587 // | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1588 // rbx: Method* |
0 | 1589 // |
1590 // Stack layout immediately at entry | |
1591 // | |
1592 // [ return address ] <--- rsp | |
1593 // [ parameter n ] | |
1594 // ... | |
1595 // [ parameter 1 ] | |
1596 // [ expression stack ] (caller's java expression stack) | |
1597 | |
1598 // Assuming that we don't go to one of the trivial specialized entries | |
1599 // the stack will look like below when we are ready to execute the | |
1600 // first bytecode (or call the native routine). The register usage | |
1601 // will be as the template based interpreter expects (see | |
1602 // interpreter_amd64.hpp). | |
1603 // | |
1604 // local variables follow incoming parameters immediately; i.e. | |
1605 // the return address is moved to the end of the locals). | |
1606 // | |
1607 // [ monitor entry ] <--- rsp | |
1608 // ... | |
1609 // [ monitor entry ] | |
1610 // [ expr. stack bottom ] | |
1611 // [ saved r13 ] | |
1612 // [ current r14 ] | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1613 // [ Method* ] |
0 | 1614 // [ saved ebp ] <--- rbp |
1615 // [ return address ] | |
1616 // [ local variable m ] | |
1617 // ... | |
1618 // [ local variable 1 ] | |
1619 // [ parameter n ] | |
1620 // ... | |
1621 // [ parameter 1 ] <--- r14 | |
1622 | |
1623 address AbstractInterpreterGenerator::generate_method_entry( | |
1624 AbstractInterpreter::MethodKind kind) { | |
1625 // determine code generation flags | |
1626 bool synchronized = false; | |
1627 address entry_point = NULL; | |
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1628 InterpreterGenerator* ig_this = (InterpreterGenerator*)this; |
0 | 1629 |
1630 switch (kind) { | |
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1631 case Interpreter::zerolocals : break; |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1632 case Interpreter::zerolocals_synchronized: synchronized = true; break; |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1633 case Interpreter::native : entry_point = ig_this->generate_native_entry(false); break; |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1634 case Interpreter::native_synchronized : entry_point = ig_this->generate_native_entry(true); break; |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1635 case Interpreter::empty : entry_point = ig_this->generate_empty_entry(); break; |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1636 case Interpreter::accessor : entry_point = ig_this->generate_accessor_entry(); break; |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1637 case Interpreter::abstract : entry_point = ig_this->generate_abstract_entry(); break; |
706
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1638 |
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1639 case Interpreter::java_lang_math_sin : // fall thru |
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1640 case Interpreter::java_lang_math_cos : // fall thru |
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1641 case Interpreter::java_lang_math_tan : // fall thru |
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1642 case Interpreter::java_lang_math_abs : // fall thru |
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1643 case Interpreter::java_lang_math_log : // fall thru |
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1644 case Interpreter::java_lang_math_log10 : // fall thru |
6084
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
4771
diff
changeset
|
1645 case Interpreter::java_lang_math_sqrt : // fall thru |
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
4771
diff
changeset
|
1646 case Interpreter::java_lang_math_pow : // fall thru |
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1647 case Interpreter::java_lang_math_exp : entry_point = ig_this->generate_math_entry(kind); break; |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
1648 case Interpreter::java_lang_ref_reference_get |
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1649 : entry_point = ig_this->generate_Reference_get_entry(); break; |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1650 case Interpreter::java_util_zip_CRC32_update |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1651 : entry_point = ig_this->generate_CRC32_update_entry(); break; |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1652 case Interpreter::java_util_zip_CRC32_updateBytes |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1653 : // fall thru |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1654 case Interpreter::java_util_zip_CRC32_updateByteBuffer |
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1655 : entry_point = ig_this->generate_CRC32_updateBytes_entry(kind); break; |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6123
diff
changeset
|
1656 default: |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6123
diff
changeset
|
1657 fatal(err_msg("unexpected method kind: %d", kind)); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6123
diff
changeset
|
1658 break; |
0 | 1659 } |
1660 | |
1661 if (entry_point) { | |
1662 return entry_point; | |
1663 } | |
1664 | |
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1665 return ig_this->generate_normal_entry(synchronized); |
0 | 1666 } |
1667 | |
1174
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1668 // These should never be compiled since the interpreter will prefer |
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1669 // the compiled version to the intrinsic version. |
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1670 bool AbstractInterpreter::can_be_compiled(methodHandle m) { |
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1671 switch (method_kind(m)) { |
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1672 case Interpreter::java_lang_math_sin : // fall thru |
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1673 case Interpreter::java_lang_math_cos : // fall thru |
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1674 case Interpreter::java_lang_math_tan : // fall thru |
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1675 case Interpreter::java_lang_math_abs : // fall thru |
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1676 case Interpreter::java_lang_math_log : // fall thru |
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1677 case Interpreter::java_lang_math_log10 : // fall thru |
6084
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
4771
diff
changeset
|
1678 case Interpreter::java_lang_math_sqrt : // fall thru |
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
4771
diff
changeset
|
1679 case Interpreter::java_lang_math_pow : // fall thru |
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
4771
diff
changeset
|
1680 case Interpreter::java_lang_math_exp : |
1174
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1681 return false; |
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1682 default: |
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1683 return true; |
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1684 } |
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1685 } |
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1686 |
0 | 1687 // How much stack a method activation needs in words. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1688 int AbstractInterpreter::size_top_interpreter_activation(Method* method) { |
0 | 1689 const int entry_size = frame::interpreter_frame_monitor_size(); |
1690 | |
1691 // total overhead size: entry_size + (saved rbp thru expr stack | |
1692 // bottom). be sure to change this if you add/subtract anything | |
1693 // to/from the overhead area | |
1694 const int overhead_size = | |
1695 -(frame::interpreter_frame_initial_sp_offset) + entry_size; | |
1696 | |
1697 const int stub_code = frame::entry_frame_after_call_words; | |
10393
603ca7e51354
8010460: Interpreter on some platforms loads ConstMethod::_max_stack and misses extra stack slots for JSR 292
roland
parents:
10141
diff
changeset
|
1698 const int method_stack = (method->max_locals() + method->max_stack()) * |
1506 | 1699 Interpreter::stackElementWords; |
0 | 1700 return (overhead_size + method_stack + stub_code); |
1701 } | |
1702 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1703 int AbstractInterpreter::layout_activation(Method* method, |
0 | 1704 int tempcount, |
1705 int popframe_extra_args, | |
1706 int moncount, | |
3369
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3252
diff
changeset
|
1707 int caller_actual_parameters, |
0 | 1708 int callee_param_count, |
1709 int callee_locals, | |
1710 frame* caller, | |
1711 frame* interpreter_frame, | |
8727
0094485b46c7
8009761: Deoptimization on sparc doesn't set Llast_SP correctly in the interpreter frames it creates
roland
parents:
8001
diff
changeset
|
1712 bool is_top_frame, |
0094485b46c7
8009761: Deoptimization on sparc doesn't set Llast_SP correctly in the interpreter frames it creates
roland
parents:
8001
diff
changeset
|
1713 bool is_bottom_frame) { |
0 | 1714 // Note: This calculation must exactly parallel the frame setup |
1715 // in AbstractInterpreterGenerator::generate_method_entry. | |
1716 // If interpreter_frame!=NULL, set up the method, locals, and monitors. | |
1717 // The frame interpreter_frame, if not NULL, is guaranteed to be the | |
1718 // right size, as determined by a previous call to this method. | |
1719 // It is also guaranteed to be walkable even though it is in a skeletal state | |
1720 | |
1721 // fixed size of an interpreter frame: | |
1506 | 1722 int max_locals = method->max_locals() * Interpreter::stackElementWords; |
0 | 1723 int extra_locals = (method->max_locals() - method->size_of_parameters()) * |
1506 | 1724 Interpreter::stackElementWords; |
0 | 1725 |
1726 int overhead = frame::sender_sp_offset - | |
1727 frame::interpreter_frame_initial_sp_offset; | |
1728 // Our locals were accounted for by the caller (or last_frame_adjust | |
1729 // on the transistion) Since the callee parameters already account | |
1730 // for the callee's params we only need to account for the extra | |
1731 // locals. | |
1732 int size = overhead + | |
1506 | 1733 (callee_locals - callee_param_count)*Interpreter::stackElementWords + |
0 | 1734 moncount * frame::interpreter_frame_monitor_size() + |
1506 | 1735 tempcount* Interpreter::stackElementWords + popframe_extra_args; |
0 | 1736 if (interpreter_frame != NULL) { |
1737 #ifdef ASSERT | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2245
diff
changeset
|
1738 if (!EnableInvokeDynamic) |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
1739 // @@@ FIXME: Should we correct interpreter_frame_sender_sp in the calling sequences? |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
1740 // Probably, since deoptimization doesn't work yet. |
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
1741 assert(caller->unextended_sp() == interpreter_frame->interpreter_frame_sender_sp(), "Frame not properly walkable"); |
0 | 1742 assert(caller->sp() == interpreter_frame->sender_sp(), "Frame not properly walkable(2)"); |
1743 #endif | |
1744 | |
1745 interpreter_frame->interpreter_frame_set_method(method); | |
1746 // NOTE the difference in using sender_sp and | |
1747 // interpreter_frame_sender_sp interpreter_frame_sender_sp is | |
1748 // the original sp of the caller (the unextended_sp) and | |
1749 // sender_sp is fp+16 XXX | |
1750 intptr_t* locals = interpreter_frame->sender_sp() + max_locals - 1; | |
1751 | |
4042
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3781
diff
changeset
|
1752 #ifdef ASSERT |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3781
diff
changeset
|
1753 if (caller->is_interpreted_frame()) { |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3781
diff
changeset
|
1754 assert(locals < caller->fp() + frame::interpreter_frame_initial_sp_offset, "bad placement"); |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3781
diff
changeset
|
1755 } |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3781
diff
changeset
|
1756 #endif |
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3781
diff
changeset
|
1757 |
0 | 1758 interpreter_frame->interpreter_frame_set_locals(locals); |
1759 BasicObjectLock* montop = interpreter_frame->interpreter_frame_monitor_begin(); | |
1760 BasicObjectLock* monbot = montop - moncount; | |
1761 interpreter_frame->interpreter_frame_set_monitor_end(monbot); | |
1762 | |
1763 // Set last_sp | |
1764 intptr_t* esp = (intptr_t*) monbot - | |
1506 | 1765 tempcount*Interpreter::stackElementWords - |
0 | 1766 popframe_extra_args; |
1767 interpreter_frame->interpreter_frame_set_last_sp(esp); | |
1768 | |
1769 // All frames but the initial (oldest) interpreter frame we fill in have | |
1770 // a value for sender_sp that allows walking the stack but isn't | |
1771 // truly correct. Correct the value here. | |
1772 if (extra_locals != 0 && | |
1773 interpreter_frame->sender_sp() == | |
1774 interpreter_frame->interpreter_frame_sender_sp()) { | |
1775 interpreter_frame->set_interpreter_frame_sender_sp(caller->sp() + | |
1776 extra_locals); | |
1777 } | |
1778 *interpreter_frame->interpreter_frame_cache_addr() = | |
1779 method->constants()->cache(); | |
1780 } | |
1781 return size; | |
1782 } | |
1783 | |
1784 //----------------------------------------------------------------------------- | |
1785 // Exceptions | |
1786 | |
1787 void TemplateInterpreterGenerator::generate_throw_exception() { | |
1788 // Entry point in previous activation (i.e., if the caller was | |
1789 // interpreted) | |
1790 Interpreter::_rethrow_exception_entry = __ pc(); | |
1791 // Restore sp to interpreter_frame_last_sp even though we are going | |
1792 // to empty the expression stack for the exception processing. | |
304 | 1793 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
0 | 1794 // rax: exception |
1795 // rdx: return address/pc that threw exception | |
1796 __ restore_bcp(); // r13 points to call/send | |
1797 __ restore_locals(); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
1798 __ reinit_heapbase(); // restore r12 as heapbase. |
0 | 1799 // Entry point for exceptions thrown within interpreter code |
1800 Interpreter::_throw_exception_entry = __ pc(); | |
1801 // expression stack is undefined here | |
1802 // rax: exception | |
1803 // r13: exception bcp | |
1804 __ verify_oop(rax); | |
304 | 1805 __ mov(c_rarg1, rax); |
0 | 1806 |
1807 // expression stack must be empty before entering the VM in case of | |
1808 // an exception | |
1809 __ empty_expression_stack(); | |
1810 // find exception handler address and preserve exception oop | |
1811 __ call_VM(rdx, | |
1812 CAST_FROM_FN_PTR(address, | |
1813 InterpreterRuntime::exception_handler_for_exception), | |
1814 c_rarg1); | |
1815 // rax: exception handler entry point | |
1816 // rdx: preserved exception oop | |
1817 // r13: bcp for exception handler | |
1818 __ push_ptr(rdx); // push exception which is now the only value on the stack | |
1819 __ jmp(rax); // jump to exception handler (may be _remove_activation_entry!) | |
1820 | |
1821 // If the exception is not handled in the current frame the frame is | |
1822 // removed and the exception is rethrown (i.e. exception | |
1823 // continuation is _rethrow_exception). | |
1824 // | |
1825 // Note: At this point the bci is still the bxi for the instruction | |
1826 // which caused the exception and the expression stack is | |
1827 // empty. Thus, for any VM calls at this point, GC will find a legal | |
1828 // oop map (with empty expression stack). | |
1829 | |
1830 // In current activation | |
1831 // tos: exception | |
1832 // esi: exception bcp | |
1833 | |
1834 // | |
1835 // JVMTI PopFrame support | |
1836 // | |
1837 | |
1838 Interpreter::_remove_activation_preserving_args_entry = __ pc(); | |
1839 __ empty_expression_stack(); | |
1840 // Set the popframe_processing bit in pending_popframe_condition | |
1841 // indicating that we are currently handling popframe, so that | |
1842 // call_VMs that may happen later do not trigger new popframe | |
1843 // handling cycles. | |
1844 __ movl(rdx, Address(r15_thread, JavaThread::popframe_condition_offset())); | |
1845 __ orl(rdx, JavaThread::popframe_processing_bit); | |
1846 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), rdx); | |
1847 | |
1848 { | |
1849 // Check to see whether we are returning to a deoptimized frame. | |
1850 // (The PopFrame call ensures that the caller of the popped frame is | |
1851 // either interpreted or compiled and deoptimizes it if compiled.) | |
1852 // In this case, we can't call dispatch_next() after the frame is | |
1853 // popped, but instead must save the incoming arguments and restore | |
1854 // them after deoptimization has occurred. | |
1855 // | |
1856 // Note that we don't compare the return PC against the | |
1857 // deoptimization blob's unpack entry because of the presence of | |
1858 // adapter frames in C2. | |
1859 Label caller_not_deoptimized; | |
304 | 1860 __ movptr(c_rarg1, Address(rbp, frame::return_addr_offset * wordSize)); |
0 | 1861 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
1862 InterpreterRuntime::interpreter_contains), c_rarg1); | |
1863 __ testl(rax, rax); | |
1864 __ jcc(Assembler::notZero, caller_not_deoptimized); | |
1865 | |
1866 // Compute size of arguments for saving when returning to | |
1867 // deoptimized caller | |
1868 __ get_method(rax); | |
7402
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7199
diff
changeset
|
1869 __ movptr(rax, Address(rax, Method::const_offset())); |
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7199
diff
changeset
|
1870 __ load_unsigned_short(rax, Address(rax, in_bytes(ConstMethod:: |
0 | 1871 size_of_parameters_offset()))); |
1506 | 1872 __ shll(rax, Interpreter::logStackElementSize); |
0 | 1873 __ restore_locals(); // XXX do we need this? |
304 | 1874 __ subptr(r14, rax); |
1875 __ addptr(r14, wordSize); | |
0 | 1876 // Save these arguments |
1877 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, | |
1878 Deoptimization:: | |
1879 popframe_preserve_args), | |
1880 r15_thread, rax, r14); | |
1881 | |
1882 __ remove_activation(vtos, rdx, | |
1883 /* throw_monitor_exception */ false, | |
1884 /* install_monitor_exception */ false, | |
1885 /* notify_jvmdi */ false); | |
1886 | |
1887 // Inform deoptimization that it is responsible for restoring | |
1888 // these arguments | |
1889 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), | |
1890 JavaThread::popframe_force_deopt_reexecution_bit); | |
1891 | |
1892 // Continue in deoptimization handler | |
1893 __ jmp(rdx); | |
1894 | |
1895 __ bind(caller_not_deoptimized); | |
1896 } | |
1897 | |
1898 __ remove_activation(vtos, rdx, /* rdx result (retaddr) is not used */ | |
1899 /* throw_monitor_exception */ false, | |
1900 /* install_monitor_exception */ false, | |
1901 /* notify_jvmdi */ false); | |
1902 | |
1903 // Finish with popframe handling | |
1904 // A previous I2C followed by a deoptimization might have moved the | |
1905 // outgoing arguments further up the stack. PopFrame expects the | |
1906 // mutations to those outgoing arguments to be preserved and other | |
1907 // constraints basically require this frame to look exactly as | |
1908 // though it had previously invoked an interpreted activation with | |
1909 // no space between the top of the expression stack (current | |
1910 // last_sp) and the top of stack. Rather than force deopt to | |
1911 // maintain this kind of invariant all the time we call a small | |
1912 // fixup routine to move the mutated arguments onto the top of our | |
1913 // expression stack if necessary. | |
304 | 1914 __ mov(c_rarg1, rsp); |
1915 __ movptr(c_rarg2, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); | |
0 | 1916 // PC must point into interpreter here |
1917 __ set_last_Java_frame(noreg, rbp, __ pc()); | |
1918 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::popframe_move_outgoing_args), r15_thread, c_rarg1, c_rarg2); | |
1919 __ reset_last_Java_frame(true, true); | |
1920 // Restore the last_sp and null it out | |
304 | 1921 __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
1922 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); | |
0 | 1923 |
1924 __ restore_bcp(); // XXX do we need this? | |
1925 __ restore_locals(); // XXX do we need this? | |
1926 // The method data pointer was incremented already during | |
1927 // call profiling. We have to restore the mdp for the current bcp. | |
1928 if (ProfileInterpreter) { | |
1929 __ set_method_data_pointer_for_bcp(); | |
1930 } | |
1931 | |
1932 // Clear the popframe condition flag | |
1933 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), | |
1934 JavaThread::popframe_inactive); | |
1935 | |
1936 __ dispatch_next(vtos); | |
1937 // end of PopFrame support | |
1938 | |
1939 Interpreter::_remove_activation_entry = __ pc(); | |
1940 | |
1941 // preserve exception over this code sequence | |
1942 __ pop_ptr(rax); | |
304 | 1943 __ movptr(Address(r15_thread, JavaThread::vm_result_offset()), rax); |
0 | 1944 // remove the activation (without doing throws on illegalMonitorExceptions) |
1945 __ remove_activation(vtos, rdx, false, true, false); | |
1946 // restore exception | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1947 __ get_vm_result(rax, r15_thread); |
0 | 1948 |
1949 // In between activations - previous activation type unknown yet | |
1950 // compute continuation point - the continuation point expects the | |
1951 // following registers set up: | |
1952 // | |
1953 // rax: exception | |
1954 // rdx: return address/pc that threw exception | |
1955 // rsp: expression stack of caller | |
1956 // rbp: ebp of caller | |
304 | 1957 __ push(rax); // save exception |
1958 __ push(rdx); // save return address | |
0 | 1959 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
1960 SharedRuntime::exception_handler_for_return_address), | |
1295 | 1961 r15_thread, rdx); |
304 | 1962 __ mov(rbx, rax); // save exception handler |
1963 __ pop(rdx); // restore return address | |
1964 __ pop(rax); // restore exception | |
0 | 1965 // Note that an "issuing PC" is actually the next PC after the call |
1966 __ jmp(rbx); // jump to exception | |
1967 // handler of caller | |
1968 } | |
1969 | |
1970 | |
1971 // | |
1972 // JVMTI ForceEarlyReturn support | |
1973 // | |
1974 address TemplateInterpreterGenerator::generate_earlyret_entry_for(TosState state) { | |
1975 address entry = __ pc(); | |
1976 | |
1977 __ restore_bcp(); | |
1978 __ restore_locals(); | |
1979 __ empty_expression_stack(); | |
1980 __ load_earlyret_value(state); | |
1981 | |
304 | 1982 __ movptr(rdx, Address(r15_thread, JavaThread::jvmti_thread_state_offset())); |
0 | 1983 Address cond_addr(rdx, JvmtiThreadState::earlyret_state_offset()); |
1984 | |
1985 // Clear the earlyret state | |
1986 __ movl(cond_addr, JvmtiThreadState::earlyret_inactive); | |
1987 | |
1988 __ remove_activation(state, rsi, | |
1989 false, /* throw_monitor_exception */ | |
1990 false, /* install_monitor_exception */ | |
1991 true); /* notify_jvmdi */ | |
1992 __ jmp(rsi); | |
1993 | |
1994 return entry; | |
1995 } // end of ForceEarlyReturn support | |
1996 | |
1997 | |
1998 //----------------------------------------------------------------------------- | |
1999 // Helper for vtos entry point generation | |
2000 | |
2001 void TemplateInterpreterGenerator::set_vtos_entry_points(Template* t, | |
2002 address& bep, | |
2003 address& cep, | |
2004 address& sep, | |
2005 address& aep, | |
2006 address& iep, | |
2007 address& lep, | |
2008 address& fep, | |
2009 address& dep, | |
2010 address& vep) { | |
2011 assert(t->is_valid() && t->tos_in() == vtos, "illegal template"); | |
2012 Label L; | |
2013 aep = __ pc(); __ push_ptr(); __ jmp(L); | |
2014 fep = __ pc(); __ push_f(); __ jmp(L); | |
2015 dep = __ pc(); __ push_d(); __ jmp(L); | |
2016 lep = __ pc(); __ push_l(); __ jmp(L); | |
2017 bep = cep = sep = | |
2018 iep = __ pc(); __ push_i(); | |
2019 vep = __ pc(); | |
2020 __ bind(L); | |
2021 generate_and_dispatch(t); | |
2022 } | |
2023 | |
2024 | |
2025 //----------------------------------------------------------------------------- | |
2026 // Generation of individual instructions | |
2027 | |
2028 // helpers for generate_and_dispatch | |
2029 | |
2030 | |
2031 InterpreterGenerator::InterpreterGenerator(StubQueue* code) | |
2032 : TemplateInterpreterGenerator(code) { | |
2033 generate_all(); // down here so it can be "virtual" | |
2034 } | |
2035 | |
2036 //----------------------------------------------------------------------------- | |
2037 | |
2038 // Non-product code | |
2039 #ifndef PRODUCT | |
2040 address TemplateInterpreterGenerator::generate_trace_code(TosState state) { | |
2041 address entry = __ pc(); | |
2042 | |
2043 __ push(state); | |
304 | 2044 __ push(c_rarg0); |
2045 __ push(c_rarg1); | |
2046 __ push(c_rarg2); | |
2047 __ push(c_rarg3); | |
2048 __ mov(c_rarg2, rax); // Pass itos | |
0 | 2049 #ifdef _WIN64 |
2050 __ movflt(xmm3, xmm0); // Pass ftos | |
2051 #endif | |
2052 __ call_VM(noreg, | |
2053 CAST_FROM_FN_PTR(address, SharedRuntime::trace_bytecode), | |
2054 c_rarg1, c_rarg2, c_rarg3); | |
304 | 2055 __ pop(c_rarg3); |
2056 __ pop(c_rarg2); | |
2057 __ pop(c_rarg1); | |
2058 __ pop(c_rarg0); | |
0 | 2059 __ pop(state); |
2060 __ ret(0); // return from result handler | |
2061 | |
2062 return entry; | |
2063 } | |
2064 | |
2065 void TemplateInterpreterGenerator::count_bytecode() { | |
2066 __ incrementl(ExternalAddress((address) &BytecodeCounter::_counter_value)); | |
2067 } | |
2068 | |
2069 void TemplateInterpreterGenerator::histogram_bytecode(Template* t) { | |
2070 __ incrementl(ExternalAddress((address) &BytecodeHistogram::_counters[t->bytecode()])); | |
2071 } | |
2072 | |
2073 void TemplateInterpreterGenerator::histogram_bytecode_pair(Template* t) { | |
2074 __ mov32(rbx, ExternalAddress((address) &BytecodePairHistogram::_index)); | |
2075 __ shrl(rbx, BytecodePairHistogram::log2_number_of_codes); | |
2076 __ orl(rbx, | |
2077 ((int) t->bytecode()) << | |
2078 BytecodePairHistogram::log2_number_of_codes); | |
2079 __ mov32(ExternalAddress((address) &BytecodePairHistogram::_index), rbx); | |
2080 __ lea(rscratch1, ExternalAddress((address) BytecodePairHistogram::_counters)); | |
2081 __ incrementl(Address(rscratch1, rbx, Address::times_4)); | |
2082 } | |
2083 | |
2084 | |
2085 void TemplateInterpreterGenerator::trace_bytecode(Template* t) { | |
2086 // Call a little run-time stub to avoid blow-up for each bytecode. | |
2087 // The run-time runtime saves the right registers, depending on | |
2088 // the tosca in-state for the given template. | |
2089 | |
2090 assert(Interpreter::trace_code(t->tos_in()) != NULL, | |
2091 "entry must have been generated"); | |
1976
0fc262af204f
6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
coleenp
parents:
1972
diff
changeset
|
2092 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
304 | 2093 __ andptr(rsp, -16); // align stack as required by ABI |
0 | 2094 __ call(RuntimeAddress(Interpreter::trace_code(t->tos_in()))); |
304 | 2095 __ mov(rsp, r12); // restore sp |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
2096 __ reinit_heapbase(); |
0 | 2097 } |
2098 | |
2099 | |
2100 void TemplateInterpreterGenerator::stop_interpreter_at() { | |
2101 Label L; | |
2102 __ cmp32(ExternalAddress((address) &BytecodeCounter::_counter_value), | |
2103 StopInterpreterAt); | |
2104 __ jcc(Assembler::notEqual, L); | |
2105 __ int3(); | |
2106 __ bind(L); | |
2107 } | |
2108 #endif // !PRODUCT | |
304 | 2109 #endif // ! CC_INTERP |