author | goetz |
Fri, 04 Jul 2014 11:46:01 +0200 | |
changeset 25715 | d5a8dbdc5150 |
parent 24322 | c2978d1578e3 |
child 25717 | 7493b8ac31b7 |
permissions | -rw-r--r-- |
1 | 1 |
/* |
25715
d5a8dbdc5150
8049325: Introduce and clean up umbrella headers for the files in the cpu subdirectories.
goetz
parents:
24322
diff
changeset
|
2 |
* Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved. |
1 | 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 |
* |
|
5547
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
5419
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
5419
diff
changeset
|
20 |
* or visit www.oracle.com if you need additional information or have any |
f4b087cbb361
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
5419
diff
changeset
|
21 |
* questions. |
1 | 22 |
* |
23 |
*/ |
|
24 |
||
7397 | 25 |
#include "precompiled.hpp" |
14626
0cf4eccf130f
8003240: x86: move MacroAssembler into separate file
twisti
parents:
13728
diff
changeset
|
26 |
#include "asm/macroAssembler.hpp" |
7397 | 27 |
#include "interpreter/bytecodeHistogram.hpp" |
28 |
#include "interpreter/interpreter.hpp" |
|
29 |
#include "interpreter/interpreterGenerator.hpp" |
|
30 |
#include "interpreter/interpreterRuntime.hpp" |
|
25715
d5a8dbdc5150
8049325: Introduce and clean up umbrella headers for the files in the cpu subdirectories.
goetz
parents:
24322
diff
changeset
|
31 |
#include "interpreter/interp_masm.hpp" |
7397 | 32 |
#include "interpreter/templateTable.hpp" |
33 |
#include "oops/arrayOop.hpp" |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
34 |
#include "oops/methodData.hpp" |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
35 |
#include "oops/method.hpp" |
7397 | 36 |
#include "oops/oop.inline.hpp" |
37 |
#include "prims/jvmtiExport.hpp" |
|
38 |
#include "prims/jvmtiThreadState.hpp" |
|
39 |
#include "runtime/arguments.hpp" |
|
40 |
#include "runtime/deoptimization.hpp" |
|
41 |
#include "runtime/frame.inline.hpp" |
|
42 |
#include "runtime/sharedRuntime.hpp" |
|
43 |
#include "runtime/stubRoutines.hpp" |
|
44 |
#include "runtime/synchronizer.hpp" |
|
45 |
#include "runtime/timer.hpp" |
|
46 |
#include "runtime/vframeArray.hpp" |
|
47 |
#include "utilities/debug.hpp" |
|
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
14745
diff
changeset
|
48 |
#include "utilities/macros.hpp" |
1 | 49 |
|
50 |
#define __ _masm-> |
|
51 |
||
1066 | 52 |
#ifndef CC_INTERP |
53 |
||
1 | 54 |
const int method_offset = frame::interpreter_frame_method_offset * wordSize; |
55 |
const int bci_offset = frame::interpreter_frame_bcx_offset * wordSize; |
|
56 |
const int locals_offset = frame::interpreter_frame_locals_offset * wordSize; |
|
57 |
||
58 |
//----------------------------------------------------------------------------- |
|
59 |
||
60 |
address TemplateInterpreterGenerator::generate_StackOverflowError_handler() { |
|
61 |
address entry = __ pc(); |
|
62 |
||
63 |
#ifdef ASSERT |
|
64 |
{ |
|
65 |
Label L; |
|
1066 | 66 |
__ lea(rax, Address(rbp, |
67 |
frame::interpreter_frame_monitor_block_top_offset * |
|
68 |
wordSize)); |
|
69 |
__ cmpptr(rax, rsp); // rax = maximal rsp for current rbp (stack |
|
70 |
// grows negative) |
|
1 | 71 |
__ jcc(Assembler::aboveEqual, L); // check if frame is complete |
72 |
__ stop ("interpreter frame not set up"); |
|
73 |
__ bind(L); |
|
74 |
} |
|
75 |
#endif // ASSERT |
|
76 |
// Restore bcp under the assumption that the current frame is still |
|
77 |
// interpreted |
|
78 |
__ restore_bcp(); |
|
79 |
||
80 |
// expression stack must be empty before entering the VM if an |
|
81 |
// exception happened |
|
82 |
__ empty_expression_stack(); |
|
83 |
// throw exception |
|
84 |
__ call_VM(noreg, |
|
85 |
CAST_FROM_FN_PTR(address, |
|
86 |
InterpreterRuntime::throw_StackOverflowError)); |
|
87 |
return entry; |
|
88 |
} |
|
89 |
||
90 |
address TemplateInterpreterGenerator::generate_ArrayIndexOutOfBounds_handler( |
|
91 |
const char* name) { |
|
92 |
address entry = __ pc(); |
|
93 |
// expression stack must be empty before entering the VM if an |
|
94 |
// exception happened |
|
95 |
__ empty_expression_stack(); |
|
96 |
// setup parameters |
|
97 |
// ??? convention: expect aberrant index in register ebx |
|
98 |
__ lea(c_rarg1, ExternalAddress((address)name)); |
|
99 |
__ call_VM(noreg, |
|
100 |
CAST_FROM_FN_PTR(address, |
|
101 |
InterpreterRuntime:: |
|
102 |
throw_ArrayIndexOutOfBoundsException), |
|
103 |
c_rarg1, rbx); |
|
104 |
return entry; |
|
105 |
} |
|
106 |
||
107 |
address TemplateInterpreterGenerator::generate_ClassCastException_handler() { |
|
108 |
address entry = __ pc(); |
|
109 |
||
110 |
// object is at TOS |
|
1066 | 111 |
__ pop(c_rarg1); |
1 | 112 |
|
113 |
// expression stack must be empty before entering the VM if an |
|
114 |
// exception happened |
|
115 |
__ empty_expression_stack(); |
|
116 |
||
117 |
__ call_VM(noreg, |
|
118 |
CAST_FROM_FN_PTR(address, |
|
119 |
InterpreterRuntime:: |
|
120 |
throw_ClassCastException), |
|
121 |
c_rarg1); |
|
122 |
return entry; |
|
123 |
} |
|
124 |
||
125 |
address TemplateInterpreterGenerator::generate_exception_handler_common( |
|
126 |
const char* name, const char* message, bool pass_oop) { |
|
127 |
assert(!pass_oop || message == NULL, "either oop or message but not both"); |
|
128 |
address entry = __ pc(); |
|
129 |
if (pass_oop) { |
|
130 |
// object is at TOS |
|
1066 | 131 |
__ pop(c_rarg2); |
1 | 132 |
} |
133 |
// expression stack must be empty before entering the VM if an |
|
134 |
// exception happened |
|
135 |
__ empty_expression_stack(); |
|
136 |
// setup parameters |
|
137 |
__ lea(c_rarg1, ExternalAddress((address)name)); |
|
138 |
if (pass_oop) { |
|
139 |
__ call_VM(rax, CAST_FROM_FN_PTR(address, |
|
140 |
InterpreterRuntime:: |
|
141 |
create_klass_exception), |
|
142 |
c_rarg1, c_rarg2); |
|
143 |
} else { |
|
144 |
// kind of lame ExternalAddress can't take NULL because |
|
145 |
// external_word_Relocation will assert. |
|
146 |
if (message != NULL) { |
|
147 |
__ lea(c_rarg2, ExternalAddress((address)message)); |
|
148 |
} else { |
|
149 |
__ movptr(c_rarg2, NULL_WORD); |
|
150 |
} |
|
151 |
__ call_VM(rax, |
|
152 |
CAST_FROM_FN_PTR(address, InterpreterRuntime::create_exception), |
|
153 |
c_rarg1, c_rarg2); |
|
154 |
} |
|
155 |
// throw exception |
|
156 |
__ jump(ExternalAddress(Interpreter::throw_exception_entry())); |
|
157 |
return entry; |
|
158 |
} |
|
159 |
||
160 |
||
161 |
address TemplateInterpreterGenerator::generate_continuation_for(TosState state) { |
|
162 |
address entry = __ pc(); |
|
163 |
// NULL last_sp until next java call |
|
1066 | 164 |
__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
1 | 165 |
__ dispatch_next(state); |
166 |
return entry; |
|
167 |
} |
|
168 |
||
169 |
||
21198
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
21095
diff
changeset
|
170 |
address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step, size_t index_size) { |
1 | 171 |
address entry = __ pc(); |
172 |
||
173 |
// Restore stack bottom in case i2c adjusted stack |
|
1066 | 174 |
__ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
1 | 175 |
// and NULL it as marker that esp is now tos until next java call |
1066 | 176 |
__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
1 | 177 |
|
178 |
__ restore_bcp(); |
|
179 |
__ restore_locals(); |
|
1066 | 180 |
|
20709
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
19335
diff
changeset
|
181 |
if (state == atos) { |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
19335
diff
changeset
|
182 |
Register mdp = rbx; |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
19335
diff
changeset
|
183 |
Register tmp = rcx; |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
19335
diff
changeset
|
184 |
__ profile_return_type(mdp, rax, tmp); |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
19335
diff
changeset
|
185 |
} |
034be898bf04
8026054: New type profiling points: type of return values at calls
roland
parents:
19335
diff
changeset
|
186 |
|
21198
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
21095
diff
changeset
|
187 |
const Register cache = rbx; |
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
21095
diff
changeset
|
188 |
const Register index = rcx; |
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
21095
diff
changeset
|
189 |
__ get_cache_and_index_at_bcp(cache, index, 1, index_size); |
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
21095
diff
changeset
|
190 |
|
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
21095
diff
changeset
|
191 |
const Register flags = cache; |
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
21095
diff
changeset
|
192 |
__ movl(flags, Address(cache, index, Address::times_ptr, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::flags_offset())); |
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
21095
diff
changeset
|
193 |
__ andl(flags, ConstantPoolCacheEntry::parameter_size_mask); |
dd647e8d1d72
8026328: Setting a breakpoint on invokedynamic crashes the JVM
twisti
parents:
21095
diff
changeset
|
194 |
__ lea(rsp, Address(rsp, flags, Interpreter::stackElementScale())); |
1 | 195 |
__ dispatch_next(state, step); |
4478 | 196 |
|
1 | 197 |
return entry; |
198 |
} |
|
199 |
||
200 |
||
201 |
address TemplateInterpreterGenerator::generate_deopt_entry_for(TosState state, |
|
202 |
int step) { |
|
203 |
address entry = __ pc(); |
|
204 |
// NULL last_sp until next java call |
|
1066 | 205 |
__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
1 | 206 |
__ restore_bcp(); |
207 |
__ restore_locals(); |
|
208 |
// handle exceptions |
|
209 |
{ |
|
210 |
Label L; |
|
1066 | 211 |
__ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
1 | 212 |
__ jcc(Assembler::zero, L); |
213 |
__ call_VM(noreg, |
|
214 |
CAST_FROM_FN_PTR(address, |
|
215 |
InterpreterRuntime::throw_pending_exception)); |
|
216 |
__ should_not_reach_here(); |
|
217 |
__ bind(L); |
|
218 |
} |
|
219 |
__ dispatch_next(state, step); |
|
220 |
return entry; |
|
221 |
} |
|
222 |
||
223 |
int AbstractInterpreter::BasicType_as_index(BasicType type) { |
|
224 |
int i = 0; |
|
225 |
switch (type) { |
|
226 |
case T_BOOLEAN: i = 0; break; |
|
227 |
case T_CHAR : i = 1; break; |
|
228 |
case T_BYTE : i = 2; break; |
|
229 |
case T_SHORT : i = 3; break; |
|
230 |
case T_INT : i = 4; break; |
|
231 |
case T_LONG : i = 5; break; |
|
232 |
case T_VOID : i = 6; break; |
|
233 |
case T_FLOAT : i = 7; break; |
|
234 |
case T_DOUBLE : i = 8; break; |
|
235 |
case T_OBJECT : i = 9; break; |
|
236 |
case T_ARRAY : i = 9; break; |
|
237 |
default : ShouldNotReachHere(); |
|
238 |
} |
|
239 |
assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers, |
|
240 |
"index out of bounds"); |
|
241 |
return i; |
|
242 |
} |
|
243 |
||
244 |
||
245 |
address TemplateInterpreterGenerator::generate_result_handler_for( |
|
246 |
BasicType type) { |
|
247 |
address entry = __ pc(); |
|
248 |
switch (type) { |
|
249 |
case T_BOOLEAN: __ c2bool(rax); break; |
|
250 |
case T_CHAR : __ movzwl(rax, rax); break; |
|
251 |
case T_BYTE : __ sign_extend_byte(rax); break; |
|
252 |
case T_SHORT : __ sign_extend_short(rax); break; |
|
253 |
case T_INT : /* nothing to do */ break; |
|
254 |
case T_LONG : /* nothing to do */ break; |
|
255 |
case T_VOID : /* nothing to do */ break; |
|
256 |
case T_FLOAT : /* nothing to do */ break; |
|
257 |
case T_DOUBLE : /* nothing to do */ break; |
|
258 |
case T_OBJECT : |
|
259 |
// retrieve result from frame |
|
1066 | 260 |
__ movptr(rax, Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize)); |
1 | 261 |
// and verify it |
262 |
__ verify_oop(rax); |
|
263 |
break; |
|
264 |
default : ShouldNotReachHere(); |
|
265 |
} |
|
266 |
__ ret(0); // return from result handler |
|
267 |
return entry; |
|
268 |
} |
|
269 |
||
270 |
address TemplateInterpreterGenerator::generate_safept_entry_for( |
|
271 |
TosState state, |
|
272 |
address runtime_entry) { |
|
273 |
address entry = __ pc(); |
|
274 |
__ push(state); |
|
275 |
__ call_VM(noreg, runtime_entry); |
|
276 |
__ dispatch_via(vtos, Interpreter::_normal_table.table_for(vtos)); |
|
277 |
return entry; |
|
278 |
} |
|
279 |
||
280 |
||
281 |
||
282 |
// Helpers for commoning out cases in the various type of method entries. |
|
283 |
// |
|
284 |
||
285 |
||
286 |
// increment invocation count & check for overflow |
|
287 |
// |
|
288 |
// Note: checking for negative value instead of overflow |
|
289 |
// so we have a 'sticky' overflow test |
|
290 |
// |
|
291 |
// rbx: method |
|
292 |
// ecx: invocation counter |
|
293 |
// |
|
294 |
void InterpreterGenerator::generate_counter_incr( |
|
295 |
Label* overflow, |
|
296 |
Label* profile_method, |
|
297 |
Label* profile_method_continue) { |
|
17000
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
298 |
Label done; |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
299 |
// Note: In tiered we increment either counters in Method* or in MDO depending if we're profiling or not. |
6453 | 300 |
if (TieredCompilation) { |
301 |
int increment = InvocationCounter::count_increment; |
|
302 |
int mask = ((1 << Tier0InvokeNotifyFreqLog) - 1) << InvocationCounter::count_shift; |
|
17000
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
303 |
Label no_mdo; |
6453 | 304 |
if (ProfileInterpreter) { |
305 |
// Are we profiling? |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
306 |
__ movptr(rax, Address(rbx, Method::method_data_offset())); |
6453 | 307 |
__ testptr(rax, rax); |
308 |
__ jccb(Assembler::zero, no_mdo); |
|
309 |
// Increment counter in the MDO |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
310 |
const Address mdo_invocation_counter(rax, in_bytes(MethodData::invocation_counter_offset()) + |
6453 | 311 |
in_bytes(InvocationCounter::counter_offset())); |
312 |
__ increment_mask_and_jump(mdo_invocation_counter, increment, mask, rcx, false, Assembler::zero, overflow); |
|
17037
34baf792b14d
8013041: guarantee(this->is8bit(imm8)) failed: Short forward jump exceeds 8-bit offset.
jiangli
parents:
17000
diff
changeset
|
313 |
__ jmp(done); |
6453 | 314 |
} |
315 |
__ bind(no_mdo); |
|
17000
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
316 |
// Increment counter in MethodCounters |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
317 |
const Address invocation_counter(rax, |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
318 |
MethodCounters::invocation_counter_offset() + |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
319 |
InvocationCounter::counter_offset()); |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
320 |
__ get_method_counters(rbx, rax, done); |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
321 |
__ increment_mask_and_jump(invocation_counter, increment, mask, rcx, |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
322 |
false, Assembler::zero, overflow); |
6453 | 323 |
__ bind(done); |
324 |
} else { |
|
17000
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
325 |
const Address backedge_counter(rax, |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
326 |
MethodCounters::backedge_counter_offset() + |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
327 |
InvocationCounter::counter_offset()); |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
328 |
const Address invocation_counter(rax, |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
329 |
MethodCounters::invocation_counter_offset() + |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
330 |
InvocationCounter::counter_offset()); |
1 | 331 |
|
17000
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
332 |
__ get_method_counters(rbx, rax, done); |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
333 |
|
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
334 |
if (ProfileInterpreter) { |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
335 |
__ incrementl(Address(rax, |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
336 |
MethodCounters::interpreter_invocation_counter_offset())); |
6453 | 337 |
} |
338 |
// Update standard invocation counters |
|
17000
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
339 |
__ movl(rcx, invocation_counter); |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
340 |
__ incrementl(rcx, InvocationCounter::count_increment); |
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
341 |
__ movl(invocation_counter, rcx); // save invocation count |
1 | 342 |
|
17000
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
343 |
__ movl(rax, backedge_counter); // load backedge counter |
6453 | 344 |
__ andl(rax, InvocationCounter::count_mask_value); // mask out the status bits |
1 | 345 |
|
6453 | 346 |
__ addl(rcx, rax); // add both counters |
1 | 347 |
|
6453 | 348 |
// profile_method is non-null only for interpreted method so |
349 |
// profile_method != NULL == !native_call |
|
350 |
||
351 |
if (ProfileInterpreter && profile_method != NULL) { |
|
352 |
// Test to see if we should create a method data oop |
|
353 |
__ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterProfileLimit)); |
|
354 |
__ jcc(Assembler::less, *profile_method_continue); |
|
1 | 355 |
|
6453 | 356 |
// if no method data exists, go to profile_method |
357 |
__ test_method_data_pointer(rax, *profile_method); |
|
358 |
} |
|
359 |
||
360 |
__ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterInvocationLimit)); |
|
361 |
__ jcc(Assembler::aboveEqual, *overflow); |
|
17000
11bf92e571a2
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
16624
diff
changeset
|
362 |
__ bind(done); |
1 | 363 |
} |
364 |
} |
|
365 |
||
366 |
void InterpreterGenerator::generate_counter_overflow(Label* do_continue) { |
|
367 |
||
368 |
// Asm interpreter on entry |
|
369 |
// r14 - locals |
|
370 |
// r13 - bcp |
|
371 |
// rbx - method |
|
372 |
// edx - cpool --- DOES NOT APPEAR TO BE TRUE |
|
373 |
// rbp - interpreter frame |
|
374 |
||
375 |
// On return (i.e. jump to entry_point) [ back to invocation of interpreter ] |
|
376 |
// Everything as it was on entry |
|
377 |
// rdx is not restored. Doesn't appear to really be set. |
|
378 |
||
379 |
// InterpreterRuntime::frequency_counter_overflow takes two |
|
380 |
// arguments, the first (thread) is passed by call_VM, the second |
|
381 |
// indicates if the counter overflow occurs at a backwards branch |
|
382 |
// (NULL bcp). We pass zero for it. The call returns the address |
|
383 |
// of the verified entry point for the method or NULL if the |
|
384 |
// compilation did not complete (either went background or bailed |
|
385 |
// out). |
|
386 |
__ movl(c_rarg1, 0); |
|
387 |
__ call_VM(noreg, |
|
388 |
CAST_FROM_FN_PTR(address, |
|
389 |
InterpreterRuntime::frequency_counter_overflow), |
|
390 |
c_rarg1); |
|
391 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
392 |
__ movptr(rbx, Address(rbp, method_offset)); // restore Method* |
1 | 393 |
// Preserve invariant that r13/r14 contain bcp/locals of sender frame |
394 |
// and jump to the interpreted entry. |
|
395 |
__ jmp(*do_continue, relocInfo::none); |
|
396 |
} |
|
397 |
||
398 |
// See if we've got enough room on the stack for locals plus overhead. |
|
399 |
// The expression stack grows down incrementally, so the normal guard |
|
400 |
// page mechanism will work for that. |
|
401 |
// |
|
402 |
// NOTE: Since the additional locals are also always pushed (wasn't |
|
403 |
// obvious in generate_method_entry) so the guard should work for them |
|
404 |
// too. |
|
405 |
// |
|
406 |
// Args: |
|
407 |
// rdx: number of additional locals this frame needs (what we must check) |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
408 |
// rbx: Method* |
1 | 409 |
// |
410 |
// Kills: |
|
411 |
// rax |
|
412 |
void InterpreterGenerator::generate_stack_overflow_check(void) { |
|
413 |
||
414 |
// monitor entry size: see picture of stack set |
|
415 |
// (generate_method_entry) and frame_amd64.hpp |
|
416 |
const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; |
|
417 |
||
418 |
// total overhead size: entry_size + (saved rbp through expr stack |
|
419 |
// bottom). be sure to change this if you add/subtract anything |
|
420 |
// to/from the overhead area |
|
421 |
const int overhead_size = |
|
422 |
-(frame::interpreter_frame_initial_sp_offset * wordSize) + entry_size; |
|
423 |
||
424 |
const int page_size = os::vm_page_size(); |
|
425 |
||
426 |
Label after_frame_check; |
|
427 |
||
428 |
// see if the frame is greater than one page in size. If so, |
|
429 |
// then we need to verify there is enough stack space remaining |
|
430 |
// for the additional locals. |
|
5419 | 431 |
__ cmpl(rdx, (page_size - overhead_size) / Interpreter::stackElementSize); |
1 | 432 |
__ jcc(Assembler::belowEqual, after_frame_check); |
433 |
||
434 |
// compute rsp as if this were going to be the last frame on |
|
435 |
// the stack before the red zone |
|
436 |
||
437 |
const Address stack_base(r15_thread, Thread::stack_base_offset()); |
|
438 |
const Address stack_size(r15_thread, Thread::stack_size_offset()); |
|
439 |
||
440 |
// locals + overhead, in bytes |
|
1066 | 441 |
__ mov(rax, rdx); |
5419 | 442 |
__ shlptr(rax, Interpreter::logStackElementSize); // 2 slots per parameter. |
1066 | 443 |
__ addptr(rax, overhead_size); |
1 | 444 |
|
445 |
#ifdef ASSERT |
|
446 |
Label stack_base_okay, stack_size_okay; |
|
447 |
// verify that thread stack base is non-zero |
|
1066 | 448 |
__ cmpptr(stack_base, (int32_t)NULL_WORD); |
1 | 449 |
__ jcc(Assembler::notEqual, stack_base_okay); |
450 |
__ stop("stack base is zero"); |
|
451 |
__ bind(stack_base_okay); |
|
452 |
// verify that thread stack size is non-zero |
|
1066 | 453 |
__ cmpptr(stack_size, 0); |
1 | 454 |
__ jcc(Assembler::notEqual, stack_size_okay); |
455 |
__ stop("stack size is zero"); |
|
456 |
__ bind(stack_size_okay); |
|
457 |
#endif |
|
458 |
||
459 |
// Add stack base to locals and subtract stack size |
|
1066 | 460 |
__ addptr(rax, stack_base); |
461 |
__ subptr(rax, stack_size); |
|
1 | 462 |
|
4564
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4478
diff
changeset
|
463 |
// Use the maximum number of pages we might bang. |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4478
diff
changeset
|
464 |
const int max_pages = StackShadowPages > (StackRedPages+StackYellowPages) ? StackShadowPages : |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4478
diff
changeset
|
465 |
(StackRedPages+StackYellowPages); |
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4478
diff
changeset
|
466 |
|
1 | 467 |
// add in the red and yellow zone sizes |
4564
55dfb20908d0
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
4478
diff
changeset
|
468 |
__ addptr(rax, max_pages * page_size); |
1 | 469 |
|
470 |
// check against the current stack bottom |
|
1066 | 471 |
__ cmpptr(rsp, rax); |
1 | 472 |
__ jcc(Assembler::above, after_frame_check); |
473 |
||
11411 | 474 |
// Restore sender's sp as SP. This is necessary if the sender's |
475 |
// frame is an extended compiled frame (see gen_c2i_adapter()) |
|
476 |
// and safer anyway in case of JSR292 adaptations. |
|
477 |
||
478 |
__ pop(rax); // return address must be moved if SP is changed |
|
479 |
__ mov(rsp, r13); |
|
480 |
__ push(rax); |
|
481 |
||
482 |
// Note: the restored frame is not necessarily interpreted. |
|
483 |
// Use the shared runtime version of the StackOverflowError. |
|
484 |
assert(StubRoutines::throw_StackOverflowError_entry() != NULL, "stub not yet generated"); |
|
485 |
__ jump(ExternalAddress(StubRoutines::throw_StackOverflowError_entry())); |
|
1 | 486 |
|
487 |
// all done with frame size check |
|
488 |
__ bind(after_frame_check); |
|
489 |
} |
|
490 |
||
491 |
// Allocate monitor and lock method (asm interpreter) |
|
492 |
// |
|
493 |
// Args: |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
494 |
// rbx: Method* |
1 | 495 |
// r14: locals |
496 |
// |
|
497 |
// Kills: |
|
498 |
// rax |
|
499 |
// c_rarg0, c_rarg1, c_rarg2, c_rarg3, ...(param regs) |
|
500 |
// rscratch1, rscratch2 (scratch regs) |
|
501 |
void InterpreterGenerator::lock_method(void) { |
|
502 |
// synchronize method |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
503 |
const Address access_flags(rbx, Method::access_flags_offset()); |
1 | 504 |
const Address monitor_block_top( |
505 |
rbp, |
|
506 |
frame::interpreter_frame_monitor_block_top_offset * wordSize); |
|
507 |
const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; |
|
508 |
||
509 |
#ifdef ASSERT |
|
510 |
{ |
|
511 |
Label L; |
|
512 |
__ movl(rax, access_flags); |
|
513 |
__ testl(rax, JVM_ACC_SYNCHRONIZED); |
|
514 |
__ jcc(Assembler::notZero, L); |
|
515 |
__ stop("method doesn't need synchronization"); |
|
516 |
__ bind(L); |
|
517 |
} |
|
518 |
#endif // ASSERT |
|
519 |
||
520 |
// get synchronization object |
|
521 |
{ |
|
11430
718fc06da49a
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
10966
diff
changeset
|
522 |
const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
1 | 523 |
Label done; |
524 |
__ movl(rax, access_flags); |
|
525 |
__ testl(rax, JVM_ACC_STATIC); |
|
526 |
// get receiver (assume this is frequent case) |
|
1066 | 527 |
__ movptr(rax, Address(r14, Interpreter::local_offset_in_bytes(0))); |
1 | 528 |
__ jcc(Assembler::zero, done); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
529 |
__ movptr(rax, Address(rbx, Method::const_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
530 |
__ movptr(rax, Address(rax, ConstMethod::constants_offset())); |
1066 | 531 |
__ movptr(rax, Address(rax, |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
532 |
ConstantPool::pool_holder_offset_in_bytes())); |
1066 | 533 |
__ movptr(rax, Address(rax, mirror_offset)); |
1 | 534 |
|
535 |
#ifdef ASSERT |
|
536 |
{ |
|
537 |
Label L; |
|
1066 | 538 |
__ testptr(rax, rax); |
1 | 539 |
__ jcc(Assembler::notZero, L); |
540 |
__ stop("synchronization object is NULL"); |
|
541 |
__ bind(L); |
|
542 |
} |
|
543 |
#endif // ASSERT |
|
544 |
||
545 |
__ bind(done); |
|
546 |
} |
|
547 |
||
548 |
// add space for monitor & lock |
|
1066 | 549 |
__ subptr(rsp, entry_size); // add space for a monitor entry |
550 |
__ movptr(monitor_block_top, rsp); // set new monitor block top |
|
1 | 551 |
// store object |
1066 | 552 |
__ movptr(Address(rsp, BasicObjectLock::obj_offset_in_bytes()), rax); |
553 |
__ movptr(c_rarg1, rsp); // object address |
|
1 | 554 |
__ lock_object(c_rarg1); |
555 |
} |
|
556 |
||
557 |
// Generate a fixed interpreter frame. This is identical setup for |
|
558 |
// interpreted methods and for native methods hence the shared code. |
|
559 |
// |
|
560 |
// Args: |
|
561 |
// rax: return address |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
562 |
// rbx: Method* |
1 | 563 |
// r14: pointer to locals |
564 |
// r13: sender sp |
|
565 |
// rdx: cp cache |
|
566 |
void TemplateInterpreterGenerator::generate_fixed_frame(bool native_call) { |
|
567 |
// initialize fixed part of activation frame |
|
1066 | 568 |
__ push(rax); // save return address |
1 | 569 |
__ enter(); // save old & set new rbp |
1066 | 570 |
__ push(r13); // set sender sp |
571 |
__ push((int)NULL_WORD); // leave last_sp as null |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
572 |
__ movptr(r13, Address(rbx, Method::const_offset())); // get ConstMethod* |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
573 |
__ lea(r13, Address(r13, ConstMethod::codes_offset())); // get codebase |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
574 |
__ push(rbx); // save Method* |
1 | 575 |
if (ProfileInterpreter) { |
576 |
Label method_data_continue; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
577 |
__ movptr(rdx, Address(rbx, in_bytes(Method::method_data_offset()))); |
1066 | 578 |
__ testptr(rdx, rdx); |
1 | 579 |
__ jcc(Assembler::zero, method_data_continue); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
580 |
__ addptr(rdx, in_bytes(MethodData::data_offset())); |
1 | 581 |
__ bind(method_data_continue); |
1066 | 582 |
__ push(rdx); // set the mdp (method data pointer) |
1 | 583 |
} else { |
1066 | 584 |
__ push(0); |
1 | 585 |
} |
586 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
587 |
__ movptr(rdx, Address(rbx, Method::const_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
588 |
__ movptr(rdx, Address(rdx, ConstMethod::constants_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
589 |
__ movptr(rdx, Address(rdx, ConstantPool::cache_offset_in_bytes())); |
1066 | 590 |
__ push(rdx); // set constant pool cache |
591 |
__ push(r14); // set locals pointer |
|
1 | 592 |
if (native_call) { |
1066 | 593 |
__ push(0); // no bcp |
1 | 594 |
} else { |
1066 | 595 |
__ push(r13); // set bcp |
1 | 596 |
} |
1066 | 597 |
__ push(0); // reserve word for pointer to expression stack bottom |
598 |
__ movptr(Address(rsp, 0), rsp); // set expression stack bottom |
|
1 | 599 |
} |
600 |
||
601 |
// End of helpers |
|
602 |
||
1066 | 603 |
// Various method entries |
604 |
//------------------------------------------------------------------------------------------------------------------------ |
|
605 |
// |
|
606 |
// |
|
607 |
||
608 |
// Call an accessor method (assuming it is resolved, otherwise drop |
|
609 |
// into vanilla (slow path) entry |
|
610 |
address InterpreterGenerator::generate_accessor_entry(void) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
611 |
// rbx: Method* |
1066 | 612 |
|
613 |
// r13: senderSP must preserver for slow path, set SP to it on fast path |
|
614 |
||
615 |
address entry_point = __ pc(); |
|
616 |
Label xreturn_path; |
|
617 |
||
618 |
// do fastpath for resolved accessor methods |
|
619 |
if (UseFastAccessorMethods) { |
|
620 |
// Code: _aload_0, _(i|a)getfield, _(i|a)return or any rewrites |
|
621 |
// thereof; parameter size = 1 |
|
622 |
// Note: We can only use this code if the getfield has been resolved |
|
623 |
// and if we don't have a null-pointer exception => check for |
|
624 |
// these conditions first and use slow path if necessary. |
|
625 |
Label slow_path; |
|
626 |
// If we need a safepoint check, generate full interpreter entry. |
|
627 |
__ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
|
628 |
SafepointSynchronize::_not_synchronized); |
|
629 |
||
630 |
__ jcc(Assembler::notEqual, slow_path); |
|
631 |
// rbx: method |
|
632 |
__ movptr(rax, Address(rsp, wordSize)); |
|
633 |
||
634 |
// check if local 0 != NULL and read field |
|
635 |
__ testptr(rax, rax); |
|
636 |
__ jcc(Assembler::zero, slow_path); |
|
637 |
||
638 |
// read first instruction word and extract bytecode @ 1 and index @ 2 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
639 |
__ movptr(rdx, Address(rbx, Method::const_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
640 |
__ movptr(rdi, Address(rdx, ConstMethod::constants_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
641 |
__ movl(rdx, Address(rdx, ConstMethod::codes_offset())); |
1066 | 642 |
// Shift codes right to get the index on the right. |
643 |
// The bytecode fetched looks like <index><0xb4><0x2a> |
|
644 |
__ shrl(rdx, 2 * BitsPerByte); |
|
645 |
__ shll(rdx, exact_log2(in_words(ConstantPoolCacheEntry::size()))); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
646 |
__ movptr(rdi, Address(rdi, ConstantPool::cache_offset_in_bytes())); |
1066 | 647 |
|
648 |
// rax: local 0 |
|
649 |
// rbx: method |
|
650 |
// rdx: constant pool cache index |
|
651 |
// rdi: constant pool cache |
|
652 |
||
653 |
// check if getfield has been resolved and read constant pool cache entry |
|
654 |
// check the validity of the cache entry by testing whether _indices field |
|
655 |
// contains Bytecode::_getfield in b1 byte. |
|
656 |
assert(in_words(ConstantPoolCacheEntry::size()) == 4, |
|
657 |
"adjust shift below"); |
|
658 |
__ movl(rcx, |
|
659 |
Address(rdi, |
|
660 |
rdx, |
|
661 |
Address::times_8, |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
662 |
ConstantPoolCache::base_offset() + |
1066 | 663 |
ConstantPoolCacheEntry::indices_offset())); |
664 |
__ shrl(rcx, 2 * BitsPerByte); |
|
665 |
__ andl(rcx, 0xFF); |
|
666 |
__ cmpl(rcx, Bytecodes::_getfield); |
|
667 |
__ jcc(Assembler::notEqual, slow_path); |
|
668 |
||
669 |
// Note: constant pool entry is not valid before bytecode is resolved |
|
670 |
__ movptr(rcx, |
|
671 |
Address(rdi, |
|
672 |
rdx, |
|
673 |
Address::times_8, |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
674 |
ConstantPoolCache::base_offset() + |
1066 | 675 |
ConstantPoolCacheEntry::f2_offset())); |
676 |
// edx: flags |
|
677 |
__ movl(rdx, |
|
678 |
Address(rdi, |
|
679 |
rdx, |
|
680 |
Address::times_8, |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
681 |
ConstantPoolCache::base_offset() + |
1066 | 682 |
ConstantPoolCacheEntry::flags_offset())); |
683 |
||
684 |
Label notObj, notInt, notByte, notShort; |
|
685 |
const Address field_address(rax, rcx, Address::times_1); |
|
686 |
||
687 |
// Need to differentiate between igetfield, agetfield, bgetfield etc. |
|
688 |
// because they are different sizes. |
|
689 |
// Use the type from the constant pool cache |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
12937
diff
changeset
|
690 |
__ shrl(rdx, ConstantPoolCacheEntry::tos_state_shift); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
12937
diff
changeset
|
691 |
// Make sure we don't need to mask edx after the above shift |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
12937
diff
changeset
|
692 |
ConstantPoolCacheEntry::verify_tos_state_shift(); |
1066 | 693 |
|
694 |
__ cmpl(rdx, atos); |
|
695 |
__ jcc(Assembler::notEqual, notObj); |
|
696 |
// atos |
|
697 |
__ load_heap_oop(rax, field_address); |
|
698 |
__ jmp(xreturn_path); |
|
699 |
||
700 |
__ bind(notObj); |
|
701 |
__ cmpl(rdx, itos); |
|
702 |
__ jcc(Assembler::notEqual, notInt); |
|
703 |
// itos |
|
704 |
__ movl(rax, field_address); |
|
705 |
__ jmp(xreturn_path); |
|
706 |
||
707 |
__ bind(notInt); |
|
708 |
__ cmpl(rdx, btos); |
|
709 |
__ jcc(Assembler::notEqual, notByte); |
|
710 |
// btos |
|
711 |
__ load_signed_byte(rax, field_address); |
|
712 |
__ jmp(xreturn_path); |
|
713 |
||
714 |
__ bind(notByte); |
|
715 |
__ cmpl(rdx, stos); |
|
716 |
__ jcc(Assembler::notEqual, notShort); |
|
717 |
// stos |
|
2148
09c7f703773b
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
2131
diff
changeset
|
718 |
__ load_signed_short(rax, field_address); |
1066 | 719 |
__ jmp(xreturn_path); |
720 |
||
721 |
__ bind(notShort); |
|
722 |
#ifdef ASSERT |
|
723 |
Label okay; |
|
724 |
__ cmpl(rdx, ctos); |
|
725 |
__ jcc(Assembler::equal, okay); |
|
726 |
__ stop("what type is this?"); |
|
727 |
__ bind(okay); |
|
728 |
#endif |
|
729 |
// ctos |
|
2148
09c7f703773b
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
2131
diff
changeset
|
730 |
__ load_unsigned_short(rax, field_address); |
1066 | 731 |
|
732 |
__ bind(xreturn_path); |
|
733 |
||
734 |
// _ireturn/_areturn |
|
735 |
__ pop(rdi); |
|
736 |
__ mov(rsp, r13); |
|
737 |
__ jmp(rdi); |
|
738 |
__ ret(0); |
|
739 |
||
740 |
// generate a vanilla interpreter entry as the slow path |
|
741 |
__ bind(slow_path); |
|
742 |
(void) generate_normal_entry(false); |
|
743 |
} else { |
|
744 |
(void) generate_normal_entry(false); |
|
745 |
} |
|
746 |
||
747 |
return entry_point; |
|
748 |
} |
|
749 |
||
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
750 |
// Method entry for java.lang.ref.Reference.get. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
751 |
address InterpreterGenerator::generate_Reference_get_entry(void) { |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
14745
diff
changeset
|
752 |
#if INCLUDE_ALL_GCS |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
753 |
// Code: _aload_0, _getfield, _areturn |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
754 |
// parameter size = 1 |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
755 |
// |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
756 |
// The code that gets generated by this routine is split into 2 parts: |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
757 |
// 1. The "intrinsified" code for G1 (or any SATB based GC), |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
758 |
// 2. The slow path - which is an expansion of the regular method entry. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
759 |
// |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
760 |
// Notes:- |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
761 |
// * In the G1 code we do not check whether we need to block for |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
762 |
// a safepoint. If G1 is enabled then we must execute the specialized |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
763 |
// code for Reference.get (except when the Reference object is null) |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
764 |
// so that we can log the value in the referent field with an SATB |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
765 |
// update buffer. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
766 |
// If the code for the getfield template is modified so that the |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
767 |
// G1 pre-barrier code is executed when the current method is |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
768 |
// Reference.get() then going through the normal method entry |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
769 |
// will be fine. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
770 |
// * The G1 code can, however, check the receiver object (the instance |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
771 |
// of java.lang.Reference) and jump to the slow path if null. If the |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
772 |
// Reference object is null then we obviously cannot fetch the referent |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
773 |
// and so we don't need to call the G1 pre-barrier. Thus we can use the |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
774 |
// regular method entry code to generate the NPE. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
775 |
// |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
776 |
// This code is based on generate_accessor_enty. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
777 |
// |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
778 |
// rbx: Method* |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
779 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
780 |
// r13: senderSP must preserve for slow path, set SP to it on fast path |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
781 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
782 |
address entry = __ pc(); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
783 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
784 |
const int referent_offset = java_lang_ref_Reference::referent_offset; |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
785 |
guarantee(referent_offset > 0, "referent offset not initialized"); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
786 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
787 |
if (UseG1GC) { |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
788 |
Label slow_path; |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
789 |
// rbx: method |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
790 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
791 |
// Check if local 0 != NULL |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
792 |
// If the receiver is null then it is OK to jump to the slow path. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
793 |
__ movptr(rax, Address(rsp, wordSize)); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
794 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
795 |
__ testptr(rax, rax); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
796 |
__ jcc(Assembler::zero, slow_path); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
797 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
798 |
// rax: local 0 |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
799 |
// rbx: method (but can be used as scratch now) |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
800 |
// rdx: scratch |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
801 |
// rdi: scratch |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
802 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
803 |
// Generate the G1 pre-barrier code to log the value of |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
804 |
// the referent field in an SATB buffer. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
805 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
806 |
// Load the value of the referent field. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
807 |
const Address field_address(rax, referent_offset); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
808 |
__ load_heap_oop(rax, field_address); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
809 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
810 |
// Generate the G1 pre-barrier code to log the value of |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
811 |
// the referent field in an SATB buffer. |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
812 |
__ g1_write_barrier_pre(noreg /* obj */, |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
813 |
rax /* pre_val */, |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
814 |
r15_thread /* thread */, |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
815 |
rbx /* tmp */, |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
816 |
true /* tosca_live */, |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
817 |
true /* expand_call */); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
818 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
819 |
// _areturn |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
820 |
__ pop(rdi); // get return address |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
821 |
__ mov(rsp, r13); // set sp to sender sp |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
822 |
__ jmp(rdi); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
823 |
__ ret(0); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
824 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
825 |
// generate a vanilla interpreter entry as the slow path |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
826 |
__ bind(slow_path); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
827 |
(void) generate_normal_entry(false); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
828 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
829 |
return entry; |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
830 |
} |
15482
470d0b0c09f1
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
14745
diff
changeset
|
831 |
#endif // INCLUDE_ALL_GCS |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
832 |
|
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
833 |
// If G1 is not enabled then attempt to go through the accessor entry point |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
834 |
// Reference.get is an accessor |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
835 |
return generate_accessor_entry(); |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
836 |
} |
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
837 |
|
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
838 |
/** |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
839 |
* Method entry for static native methods: |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
840 |
* int java.util.zip.CRC32.update(int crc, int b) |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
841 |
*/ |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
842 |
address InterpreterGenerator::generate_CRC32_update_entry() { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
843 |
if (UseCRC32Intrinsics) { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
844 |
address entry = __ pc(); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
845 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
846 |
// rbx,: Method* |
19329
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
847 |
// r13: senderSP must preserved for slow path, set SP to it on fast path |
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
848 |
// c_rarg0: scratch (rdi on non-Win64, rcx on Win64) |
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
849 |
// c_rarg1: scratch (rsi on non-Win64, rdx on Win64) |
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
850 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
851 |
Label slow_path; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
852 |
// If we need a safepoint check, generate full interpreter entry. |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
853 |
ExternalAddress state(SafepointSynchronize::address_of_state()); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
854 |
__ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
855 |
SafepointSynchronize::_not_synchronized); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
856 |
__ jcc(Assembler::notEqual, slow_path); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
857 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
858 |
// We don't generate local frame and don't align stack because |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
859 |
// we call stub code and there is no safepoint on this path. |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
860 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
861 |
// Load parameters |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
862 |
const Register crc = rax; // crc |
19329
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
863 |
const Register val = c_rarg0; // source java byte value |
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
864 |
const Register tbl = c_rarg1; // scratch |
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
865 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
866 |
// Arguments are reversed on java expression stack |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
867 |
__ movl(val, Address(rsp, wordSize)); // byte value |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
868 |
__ movl(crc, Address(rsp, 2*wordSize)); // Initial CRC |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
869 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
870 |
__ lea(tbl, ExternalAddress(StubRoutines::crc_table_addr())); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
871 |
__ notl(crc); // ~crc |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
872 |
__ update_byte_crc32(crc, val, tbl); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
873 |
__ notl(crc); // ~crc |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
874 |
// result in rax |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
875 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
876 |
// _areturn |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
877 |
__ pop(rdi); // get return address |
19329
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
878 |
__ mov(rsp, r13); // set sp to sender sp |
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
879 |
__ jmp(rdi); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
880 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
881 |
// generate a vanilla native entry as the slow path |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
882 |
__ bind(slow_path); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
883 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
884 |
(void) generate_native_entry(false); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
885 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
886 |
return entry; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
887 |
} |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
888 |
return generate_native_entry(false); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
889 |
} |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
890 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
891 |
/** |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
892 |
* Method entry for static native methods: |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
893 |
* int java.util.zip.CRC32.updateBytes(int crc, byte[] b, int off, int len) |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
894 |
* int java.util.zip.CRC32.updateByteBuffer(int crc, long buf, int off, int len) |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
895 |
*/ |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
896 |
address InterpreterGenerator::generate_CRC32_updateBytes_entry(AbstractInterpreter::MethodKind kind) { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
897 |
if (UseCRC32Intrinsics) { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
898 |
address entry = __ pc(); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
899 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
900 |
// rbx,: Method* |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
901 |
// r13: senderSP must preserved for slow path, set SP to it on fast path |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
902 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
903 |
Label slow_path; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
904 |
// If we need a safepoint check, generate full interpreter entry. |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
905 |
ExternalAddress state(SafepointSynchronize::address_of_state()); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
906 |
__ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
907 |
SafepointSynchronize::_not_synchronized); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
908 |
__ jcc(Assembler::notEqual, slow_path); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
909 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
910 |
// We don't generate local frame and don't align stack because |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
911 |
// we call stub code and there is no safepoint on this path. |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
912 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
913 |
// Load parameters |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
914 |
const Register crc = c_rarg0; // crc |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
915 |
const Register buf = c_rarg1; // source java byte array address |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
916 |
const Register len = c_rarg2; // length |
19329
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
917 |
const Register off = len; // offset (never overlaps with 'len') |
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
918 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
919 |
// Arguments are reversed on java expression stack |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
920 |
// Calculate address of start element |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
921 |
if (kind == Interpreter::java_util_zip_CRC32_updateByteBuffer) { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
922 |
__ movptr(buf, Address(rsp, 3*wordSize)); // long buf |
19329
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
923 |
__ movl2ptr(off, Address(rsp, 2*wordSize)); // offset |
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
924 |
__ addq(buf, off); // + offset |
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
925 |
__ movl(crc, Address(rsp, 5*wordSize)); // Initial CRC |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
926 |
} else { |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
927 |
__ movptr(buf, Address(rsp, 3*wordSize)); // byte[] array |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
928 |
__ addptr(buf, arrayOopDesc::base_offset_in_bytes(T_BYTE)); // + header size |
19329
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
929 |
__ movl2ptr(off, Address(rsp, 2*wordSize)); // offset |
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
930 |
__ addq(buf, off); // + offset |
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
931 |
__ movl(crc, Address(rsp, 4*wordSize)); // Initial CRC |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
932 |
} |
19329
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
933 |
// Can now load 'len' since we're finished with 'off' |
eccb1e520c66
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
18507
diff
changeset
|
934 |
__ movl(len, Address(rsp, wordSize)); // Length |
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
935 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
936 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, StubRoutines::updateBytesCRC32()), crc, buf, len); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
937 |
// result in rax |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
938 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
939 |
// _areturn |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
940 |
__ pop(rdi); // get return address |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
941 |
__ mov(rsp, r13); // set sp to sender sp |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
942 |
__ jmp(rdi); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
943 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
944 |
// generate a vanilla native entry as the slow path |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
945 |
__ bind(slow_path); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
946 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
947 |
(void) generate_native_entry(false); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
948 |
|
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
949 |
return entry; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
950 |
} |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
951 |
return generate_native_entry(false); |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
952 |
} |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
953 |
|
1 | 954 |
// Interpreter stub for calling a native method. (asm interpreter) |
955 |
// This sets up a somewhat different looking stack for calling the |
|
956 |
// native method than the typical interpreter frame setup. |
|
957 |
address InterpreterGenerator::generate_native_entry(bool synchronized) { |
|
958 |
// determine code generation flags |
|
959 |
bool inc_counter = UseCompiler || CountCompiledCalls; |
|
960 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
961 |
// rbx: Method* |
1 | 962 |
// r13: sender sp |
963 |
||
964 |
address entry_point = __ pc(); |
|
965 |
||
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
966 |
const Address constMethod (rbx, Method::const_offset()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
967 |
const Address access_flags (rbx, Method::access_flags_offset()); |
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
968 |
const Address size_of_parameters(rcx, ConstMethod:: |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
969 |
size_of_parameters_offset()); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
970 |
|
1 | 971 |
|
972 |
// get parameter size (always needed) |
|
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
973 |
__ movptr(rcx, constMethod); |
2148
09c7f703773b
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
2131
diff
changeset
|
974 |
__ load_unsigned_short(rcx, size_of_parameters); |
1 | 975 |
|
976 |
// native calls don't need the stack size check since they have no |
|
977 |
// expression stack and the arguments are already on the stack and |
|
978 |
// we only add a handful of words to the stack |
|
979 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
980 |
// rbx: Method* |
1 | 981 |
// rcx: size of parameters |
982 |
// r13: sender sp |
|
1066 | 983 |
__ pop(rax); // get return address |
1 | 984 |
|
985 |
// for natives the size of locals is zero |
|
986 |
||
987 |
// compute beginning of parameters (r14) |
|
1066 | 988 |
__ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize)); |
1 | 989 |
|
990 |
// add 2 zero-initialized slots for native calls |
|
991 |
// initialize result_handler slot |
|
1066 | 992 |
__ push((int) NULL_WORD); |
1 | 993 |
// slot for oop temp |
994 |
// (static native method holder mirror/jni oop result) |
|
1066 | 995 |
__ push((int) NULL_WORD); |
1 | 996 |
|
997 |
// initialize fixed part of activation frame |
|
998 |
generate_fixed_frame(true); |
|
999 |
||
1000 |
// make sure method is native & not abstract |
|
1001 |
#ifdef ASSERT |
|
1002 |
__ movl(rax, access_flags); |
|
1003 |
{ |
|
1004 |
Label L; |
|
1005 |
__ testl(rax, JVM_ACC_NATIVE); |
|
1006 |
__ jcc(Assembler::notZero, L); |
|
1007 |
__ stop("tried to execute non-native method as native"); |
|
1008 |
__ bind(L); |
|
1009 |
} |
|
1010 |
{ |
|
1011 |
Label L; |
|
1012 |
__ testl(rax, JVM_ACC_ABSTRACT); |
|
1013 |
__ jcc(Assembler::zero, L); |
|
1014 |
__ stop("tried to execute abstract method in interpreter"); |
|
1015 |
__ bind(L); |
|
1016 |
} |
|
1017 |
#endif |
|
1018 |
||
1019 |
// Since at this point in the method invocation the exception handler |
|
1020 |
// would try to exit the monitor of synchronized methods which hasn't |
|
1021 |
// been entered yet, we set the thread local variable |
|
1022 |
// _do_not_unlock_if_synchronized to true. The remove_activation will |
|
1023 |
// check this flag. |
|
1024 |
||
1025 |
const Address do_not_unlock_if_synchronized(r15_thread, |
|
1026 |
in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); |
|
1027 |
__ movbool(do_not_unlock_if_synchronized, true); |
|
1028 |
||
1029 |
// increment invocation count & check for overflow |
|
1030 |
Label invocation_counter_overflow; |
|
1031 |
if (inc_counter) { |
|
1032 |
generate_counter_incr(&invocation_counter_overflow, NULL, NULL); |
|
1033 |
} |
|
1034 |
||
1035 |
Label continue_after_compile; |
|
1036 |
__ bind(continue_after_compile); |
|
1037 |
||
1038 |
bang_stack_shadow_pages(true); |
|
1039 |
||
1040 |
// reset the _do_not_unlock_if_synchronized flag |
|
1041 |
__ movbool(do_not_unlock_if_synchronized, false); |
|
1042 |
||
1043 |
// check for synchronized methods |
|
1044 |
// Must happen AFTER invocation_counter check and stack overflow check, |
|
1045 |
// so method is not locked if overflows. |
|
1046 |
if (synchronized) { |
|
1047 |
lock_method(); |
|
1048 |
} else { |
|
1049 |
// no synchronization necessary |
|
1050 |
#ifdef ASSERT |
|
1051 |
{ |
|
1052 |
Label L; |
|
1053 |
__ movl(rax, access_flags); |
|
1054 |
__ testl(rax, JVM_ACC_SYNCHRONIZED); |
|
1055 |
__ jcc(Assembler::zero, L); |
|
1056 |
__ stop("method needs synchronization"); |
|
1057 |
__ bind(L); |
|
1058 |
} |
|
1059 |
#endif |
|
1060 |
} |
|
1061 |
||
1062 |
// start execution |
|
1063 |
#ifdef ASSERT |
|
1064 |
{ |
|
1065 |
Label L; |
|
1066 |
const Address monitor_block_top(rbp, |
|
1067 |
frame::interpreter_frame_monitor_block_top_offset * wordSize); |
|
1066 | 1068 |
__ movptr(rax, monitor_block_top); |
1069 |
__ cmpptr(rax, rsp); |
|
1 | 1070 |
__ jcc(Assembler::equal, L); |
1071 |
__ stop("broken stack frame setup in interpreter"); |
|
1072 |
__ bind(L); |
|
1073 |
} |
|
1074 |
#endif |
|
1075 |
||
1076 |
// jvmti support |
|
1077 |
__ notify_method_entry(); |
|
1078 |
||
1079 |
// work registers |
|
1080 |
const Register method = rbx; |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1081 |
const Register t = r11; |
1 | 1082 |
|
1083 |
// allocate space for parameters |
|
1084 |
__ get_method(method); |
|
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1085 |
__ movptr(t, Address(method, Method::const_offset())); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1086 |
__ load_unsigned_short(t, Address(t, ConstMethod::size_of_parameters_offset())); |
5419 | 1087 |
__ shll(t, Interpreter::logStackElementSize); |
1 | 1088 |
|
1066 | 1089 |
__ subptr(rsp, t); |
1090 |
__ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
|
2131 | 1091 |
__ andptr(rsp, -16); // must be 16 byte boundary (see amd64 ABI) |
1 | 1092 |
|
1093 |
// get signature handler |
|
1094 |
{ |
|
1095 |
Label L; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1096 |
__ movptr(t, Address(method, Method::signature_handler_offset())); |
1066 | 1097 |
__ testptr(t, t); |
1 | 1098 |
__ jcc(Assembler::notZero, L); |
1099 |
__ call_VM(noreg, |
|
1100 |
CAST_FROM_FN_PTR(address, |
|
1101 |
InterpreterRuntime::prepare_native_call), |
|
1102 |
method); |
|
1103 |
__ get_method(method); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1104 |
__ movptr(t, Address(method, Method::signature_handler_offset())); |
1 | 1105 |
__ bind(L); |
1106 |
} |
|
1107 |
||
1108 |
// call signature handler |
|
1109 |
assert(InterpreterRuntime::SignatureHandlerGenerator::from() == r14, |
|
1110 |
"adjust this code"); |
|
1111 |
assert(InterpreterRuntime::SignatureHandlerGenerator::to() == rsp, |
|
1112 |
"adjust this code"); |
|
1113 |
assert(InterpreterRuntime::SignatureHandlerGenerator::temp() == rscratch1, |
|
1114 |
"adjust this code"); |
|
1115 |
||
1116 |
// The generated handlers do not touch RBX (the method oop). |
|
1117 |
// However, large signatures cannot be cached and are generated |
|
1118 |
// each time here. The slow-path generator can do a GC on return, |
|
1119 |
// so we must reload it after the call. |
|
1120 |
__ call(t); |
|
1121 |
__ get_method(method); // slow path can do a GC, reload RBX |
|
1122 |
||
1123 |
||
1124 |
// result handler is in rax |
|
1125 |
// set result handler |
|
1066 | 1126 |
__ movptr(Address(rbp, |
1127 |
(frame::interpreter_frame_result_handler_offset) * wordSize), |
|
1128 |
rax); |
|
1 | 1129 |
|
1130 |
// pass mirror handle if static call |
|
1131 |
{ |
|
1132 |
Label L; |
|
11430
718fc06da49a
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
10966
diff
changeset
|
1133 |
const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1134 |
__ movl(t, Address(method, Method::access_flags_offset())); |
1 | 1135 |
__ testl(t, JVM_ACC_STATIC); |
1136 |
__ jcc(Assembler::zero, L); |
|
1137 |
// get mirror |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1138 |
__ movptr(t, Address(method, Method::const_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1139 |
__ movptr(t, Address(t, ConstMethod::constants_offset())); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1140 |
__ movptr(t, Address(t, ConstantPool::pool_holder_offset_in_bytes())); |
1066 | 1141 |
__ movptr(t, Address(t, mirror_offset)); |
1 | 1142 |
// copy mirror into activation frame |
1066 | 1143 |
__ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize), |
1 | 1144 |
t); |
1145 |
// pass handle to mirror |
|
1066 | 1146 |
__ lea(c_rarg1, |
1147 |
Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize)); |
|
1 | 1148 |
__ bind(L); |
1149 |
} |
|
1150 |
||
1151 |
// get native function entry point |
|
1152 |
{ |
|
1153 |
Label L; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1154 |
__ movptr(rax, Address(method, Method::native_function_offset())); |
1 | 1155 |
ExternalAddress unsatisfied(SharedRuntime::native_method_throw_unsatisfied_link_error_entry()); |
1156 |
__ movptr(rscratch2, unsatisfied.addr()); |
|
1066 | 1157 |
__ cmpptr(rax, rscratch2); |
1 | 1158 |
__ jcc(Assembler::notEqual, L); |
1159 |
__ call_VM(noreg, |
|
1160 |
CAST_FROM_FN_PTR(address, |
|
1161 |
InterpreterRuntime::prepare_native_call), |
|
1162 |
method); |
|
1163 |
__ get_method(method); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1164 |
__ movptr(rax, Address(method, Method::native_function_offset())); |
1 | 1165 |
__ bind(L); |
1166 |
} |
|
1167 |
||
1168 |
// pass JNIEnv |
|
1066 | 1169 |
__ lea(c_rarg0, Address(r15_thread, JavaThread::jni_environment_offset())); |
1 | 1170 |
|
1171 |
// It is enough that the pc() points into the right code |
|
1172 |
// segment. It does not have to be the correct return pc. |
|
1173 |
__ set_last_Java_frame(rsp, rbp, (address) __ pc()); |
|
1174 |
||
1175 |
// change thread state |
|
1176 |
#ifdef ASSERT |
|
1177 |
{ |
|
1178 |
Label L; |
|
1179 |
__ movl(t, Address(r15_thread, JavaThread::thread_state_offset())); |
|
1180 |
__ cmpl(t, _thread_in_Java); |
|
1181 |
__ jcc(Assembler::equal, L); |
|
1182 |
__ stop("Wrong thread state in native stub"); |
|
1183 |
__ bind(L); |
|
1184 |
} |
|
1185 |
#endif |
|
1186 |
||
1187 |
// Change state to native |
|
1188 |
||
1189 |
__ movl(Address(r15_thread, JavaThread::thread_state_offset()), |
|
1190 |
_thread_in_native); |
|
1191 |
||
1192 |
// Call the native method. |
|
1193 |
__ call(rax); |
|
1194 |
// result potentially in rax or xmm0 |
|
1195 |
||
16624
9dbd4b210bf9
8011102: Clear AVX registers after return from JNI call
kvn
parents:
15943
diff
changeset
|
1196 |
// Verify or restore cpu control state after JNI call |
9dbd4b210bf9
8011102: Clear AVX registers after return from JNI call
kvn
parents:
15943
diff
changeset
|
1197 |
__ restore_cpu_control_state_after_jni(); |
1 | 1198 |
|
1199 |
// NOTE: The order of these pushes is known to frame::interpreter_frame_result |
|
1200 |
// in order to extract the result of a method call. If the order of these |
|
1201 |
// pushes change or anything else is added to the stack then the code in |
|
1202 |
// interpreter_frame_result must also change. |
|
1203 |
||
1204 |
__ push(dtos); |
|
1205 |
__ push(ltos); |
|
1206 |
||
1207 |
// change thread state |
|
1208 |
__ movl(Address(r15_thread, JavaThread::thread_state_offset()), |
|
1209 |
_thread_in_native_trans); |
|
1210 |
||
1211 |
if (os::is_MP()) { |
|
1212 |
if (UseMembar) { |
|
1213 |
// Force this write out before the read below |
|
1214 |
__ membar(Assembler::Membar_mask_bits( |
|
1215 |
Assembler::LoadLoad | Assembler::LoadStore | |
|
1216 |
Assembler::StoreLoad | Assembler::StoreStore)); |
|
1217 |
} else { |
|
1218 |
// Write serialization page so VM thread can do a pseudo remote membar. |
|
1219 |
// We use the current thread pointer to calculate a thread specific |
|
1220 |
// offset to write to within the page. This minimizes bus traffic |
|
1221 |
// due to cache line collision. |
|
1222 |
__ serialize_memory(r15_thread, rscratch2); |
|
1223 |
} |
|
1224 |
} |
|
1225 |
||
1226 |
// check for safepoint operation in progress and/or pending suspend requests |
|
1227 |
{ |
|
1228 |
Label Continue; |
|
1229 |
__ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
|
1230 |
SafepointSynchronize::_not_synchronized); |
|
1231 |
||
1232 |
Label L; |
|
1233 |
__ jcc(Assembler::notEqual, L); |
|
1234 |
__ cmpl(Address(r15_thread, JavaThread::suspend_flags_offset()), 0); |
|
1235 |
__ jcc(Assembler::equal, Continue); |
|
1236 |
__ bind(L); |
|
1237 |
||
1238 |
// Don't use call_VM as it will see a possible pending exception |
|
1239 |
// and forward it and never return here preventing us from |
|
1240 |
// clearing _last_native_pc down below. Also can't use |
|
1241 |
// call_VM_leaf either as it will check to see if r13 & r14 are |
|
1242 |
// preserved and correspond to the bcp/locals pointers. So we do a |
|
1243 |
// runtime call by hand. |
|
1244 |
// |
|
1066 | 1245 |
__ mov(c_rarg0, r15_thread); |
7401
ebde7415b521
6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
coleenp
parents:
7397
diff
changeset
|
1246 |
__ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
1066 | 1247 |
__ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
1248 |
__ andptr(rsp, -16); // align stack as required by ABI |
|
1 | 1249 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, JavaThread::check_special_condition_for_native_trans))); |
1066 | 1250 |
__ mov(rsp, r12); // restore sp |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1251 |
__ reinit_heapbase(); |
1 | 1252 |
__ bind(Continue); |
1253 |
} |
|
1254 |
||
1255 |
// change thread state |
|
1256 |
__ movl(Address(r15_thread, JavaThread::thread_state_offset()), _thread_in_Java); |
|
1257 |
||
1258 |
// reset_last_Java_frame |
|
1259 |
__ reset_last_Java_frame(true, true); |
|
1260 |
||
1261 |
// reset handle block |
|
1066 | 1262 |
__ movptr(t, Address(r15_thread, JavaThread::active_handles_offset())); |
23844
0c29a324ae14
8039146: Fix 64-bit store to int JNIHandleBlock::_top
goetz
parents:
21198
diff
changeset
|
1263 |
__ movl(Address(t, JNIHandleBlock::top_offset_in_bytes()), (int32_t)NULL_WORD); |
1 | 1264 |
|
1265 |
// If result is an oop unbox and store it in frame where gc will see it |
|
1266 |
// and result handler will pick it up |
|
1267 |
||
1268 |
{ |
|
1269 |
Label no_oop, store_result; |
|
1270 |
__ lea(t, ExternalAddress(AbstractInterpreter::result_handler(T_OBJECT))); |
|
1066 | 1271 |
__ cmpptr(t, Address(rbp, frame::interpreter_frame_result_handler_offset*wordSize)); |
1 | 1272 |
__ jcc(Assembler::notEqual, no_oop); |
1273 |
// retrieve result |
|
1274 |
__ pop(ltos); |
|
1066 | 1275 |
__ testptr(rax, rax); |
1 | 1276 |
__ jcc(Assembler::zero, store_result); |
1066 | 1277 |
__ movptr(rax, Address(rax, 0)); |
1 | 1278 |
__ bind(store_result); |
1066 | 1279 |
__ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize), rax); |
1 | 1280 |
// keep stack depth as expected by pushing oop which will eventually be discarde |
1281 |
__ push(ltos); |
|
1282 |
__ bind(no_oop); |
|
1283 |
} |
|
1284 |
||
1285 |
||
1286 |
{ |
|
1287 |
Label no_reguard; |
|
1288 |
__ cmpl(Address(r15_thread, JavaThread::stack_guard_state_offset()), |
|
1289 |
JavaThread::stack_guard_yellow_disabled); |
|
1290 |
__ jcc(Assembler::notEqual, no_reguard); |
|
1291 |
||
1066 | 1292 |
__ pusha(); // XXX only save smashed registers |
7401
ebde7415b521
6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
coleenp
parents:
7397
diff
changeset
|
1293 |
__ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
1066 | 1294 |
__ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
1295 |
__ andptr(rsp, -16); // align stack as required by ABI |
|
1 | 1296 |
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::reguard_yellow_pages))); |
1066 | 1297 |
__ mov(rsp, r12); // restore sp |
1298 |
__ popa(); // XXX only restore smashed registers |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1299 |
__ reinit_heapbase(); |
1 | 1300 |
|
1301 |
__ bind(no_reguard); |
|
1302 |
} |
|
1303 |
||
1304 |
||
1305 |
// The method register is junk from after the thread_in_native transition |
|
1306 |
// until here. Also can't call_VM until the bcp has been |
|
1307 |
// restored. Need bcp for throwing exception below so get it now. |
|
1308 |
__ get_method(method); |
|
1309 |
||
1310 |
// restore r13 to have legal interpreter frame, i.e., bci == 0 <=> |
|
1311 |
// r13 == code_base() |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1312 |
__ movptr(r13, Address(method, Method::const_offset())); // get ConstMethod* |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1313 |
__ lea(r13, Address(r13, ConstMethod::codes_offset())); // get codebase |
1 | 1314 |
// handle exceptions (exception handling will handle unlocking!) |
1315 |
{ |
|
1316 |
Label L; |
|
1066 | 1317 |
__ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
1 | 1318 |
__ jcc(Assembler::zero, L); |
1319 |
// Note: At some point we may want to unify this with the code |
|
1320 |
// used in call_VM_base(); i.e., we should use the |
|
1321 |
// StubRoutines::forward_exception code. For now this doesn't work |
|
1322 |
// here because the rsp is not correctly set at this point. |
|
1323 |
__ MacroAssembler::call_VM(noreg, |
|
1324 |
CAST_FROM_FN_PTR(address, |
|
1325 |
InterpreterRuntime::throw_pending_exception)); |
|
1326 |
__ should_not_reach_here(); |
|
1327 |
__ bind(L); |
|
1328 |
} |
|
1329 |
||
1330 |
// do unlocking if necessary |
|
1331 |
{ |
|
1332 |
Label L; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1333 |
__ movl(t, Address(method, Method::access_flags_offset())); |
1 | 1334 |
__ testl(t, JVM_ACC_SYNCHRONIZED); |
1335 |
__ jcc(Assembler::zero, L); |
|
1336 |
// the code below should be shared with interpreter macro |
|
1337 |
// assembler implementation |
|
1338 |
{ |
|
1339 |
Label unlock; |
|
1340 |
// BasicObjectLock will be first in list, since this is a |
|
1341 |
// synchronized method. However, need to check that the object |
|
1342 |
// has not been unlocked by an explicit monitorexit bytecode. |
|
1343 |
const Address monitor(rbp, |
|
1344 |
(intptr_t)(frame::interpreter_frame_initial_sp_offset * |
|
1345 |
wordSize - sizeof(BasicObjectLock))); |
|
1346 |
||
1347 |
// monitor expect in c_rarg1 for slow unlock path |
|
1066 | 1348 |
__ lea(c_rarg1, monitor); // address of first monitor |
1 | 1349 |
|
1066 | 1350 |
__ movptr(t, Address(c_rarg1, BasicObjectLock::obj_offset_in_bytes())); |
1351 |
__ testptr(t, t); |
|
1 | 1352 |
__ jcc(Assembler::notZero, unlock); |
1353 |
||
1354 |
// Entry already unlocked, need to throw exception |
|
1355 |
__ MacroAssembler::call_VM(noreg, |
|
1356 |
CAST_FROM_FN_PTR(address, |
|
1357 |
InterpreterRuntime::throw_illegal_monitor_state_exception)); |
|
1358 |
__ should_not_reach_here(); |
|
1359 |
||
1360 |
__ bind(unlock); |
|
1361 |
__ unlock_object(c_rarg1); |
|
1362 |
} |
|
1363 |
__ bind(L); |
|
1364 |
} |
|
1365 |
||
1366 |
// jvmti support |
|
1367 |
// Note: This must happen _after_ handling/throwing any exceptions since |
|
1368 |
// the exception handler code notifies the runtime of method exits |
|
1369 |
// too. If this happens before, method entry/exit notifications are |
|
1370 |
// not properly paired (was bug - gri 11/22/99). |
|
1371 |
__ notify_method_exit(vtos, InterpreterMacroAssembler::NotifyJVMTI); |
|
1372 |
||
1373 |
// restore potential result in edx:eax, call result handler to |
|
1374 |
// restore potential result in ST0 & handle result |
|
1375 |
||
1376 |
__ pop(ltos); |
|
1377 |
__ pop(dtos); |
|
1378 |
||
1066 | 1379 |
__ movptr(t, Address(rbp, |
1380 |
(frame::interpreter_frame_result_handler_offset) * wordSize)); |
|
1 | 1381 |
__ call(t); |
1382 |
||
1383 |
// remove activation |
|
1066 | 1384 |
__ movptr(t, Address(rbp, |
1385 |
frame::interpreter_frame_sender_sp_offset * |
|
1386 |
wordSize)); // get sender sp |
|
1 | 1387 |
__ leave(); // remove frame anchor |
1066 | 1388 |
__ pop(rdi); // get return address |
1389 |
__ mov(rsp, t); // set sp to sender sp |
|
1 | 1390 |
__ jmp(rdi); |
1391 |
||
1392 |
if (inc_counter) { |
|
1393 |
// Handle overflow of counter and compile method |
|
1394 |
__ bind(invocation_counter_overflow); |
|
1395 |
generate_counter_overflow(&continue_after_compile); |
|
1396 |
} |
|
1397 |
||
1398 |
return entry_point; |
|
1399 |
} |
|
1400 |
||
1401 |
// |
|
1402 |
// Generic interpreted method entry to (asm) interpreter |
|
1403 |
// |
|
1404 |
address InterpreterGenerator::generate_normal_entry(bool synchronized) { |
|
1405 |
// determine code generation flags |
|
1406 |
bool inc_counter = UseCompiler || CountCompiledCalls; |
|
1407 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1408 |
// ebx: Method* |
1 | 1409 |
// r13: sender sp |
1410 |
address entry_point = __ pc(); |
|
1411 |
||
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1412 |
const Address constMethod(rbx, Method::const_offset()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1413 |
const Address access_flags(rbx, Method::access_flags_offset()); |
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1414 |
const Address size_of_parameters(rdx, |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1415 |
ConstMethod::size_of_parameters_offset()); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1416 |
const Address size_of_locals(rdx, ConstMethod::size_of_locals_offset()); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1417 |
|
1 | 1418 |
|
1419 |
// get parameter size (always needed) |
|
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1420 |
__ movptr(rdx, constMethod); |
2148
09c7f703773b
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
2131
diff
changeset
|
1421 |
__ load_unsigned_short(rcx, size_of_parameters); |
1 | 1422 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1423 |
// rbx: Method* |
1 | 1424 |
// rcx: size of parameters |
1425 |
// r13: sender_sp (could differ from sp+wordSize if we were called via c2i ) |
|
1426 |
||
2148
09c7f703773b
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
2131
diff
changeset
|
1427 |
__ load_unsigned_short(rdx, size_of_locals); // get size of locals in words |
1 | 1428 |
__ subl(rdx, rcx); // rdx = no. of additional locals |
1429 |
||
1430 |
// YYY |
|
1431 |
// __ incrementl(rdx); |
|
1432 |
// __ andl(rdx, -2); |
|
1433 |
||
1434 |
// see if we've got enough room on the stack for locals plus overhead. |
|
1435 |
generate_stack_overflow_check(); |
|
1436 |
||
1437 |
// get return address |
|
1066 | 1438 |
__ pop(rax); |
1 | 1439 |
|
1440 |
// compute beginning of parameters (r14) |
|
1066 | 1441 |
__ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize)); |
1 | 1442 |
|
1443 |
// rdx - # of additional locals |
|
1444 |
// allocate space for locals |
|
1445 |
// explicitly initialize locals |
|
1446 |
{ |
|
1447 |
Label exit, loop; |
|
1448 |
__ testl(rdx, rdx); |
|
1449 |
__ jcc(Assembler::lessEqual, exit); // do nothing if rdx <= 0 |
|
1450 |
__ bind(loop); |
|
1066 | 1451 |
__ push((int) NULL_WORD); // initialize local variables |
1 | 1452 |
__ decrementl(rdx); // until everything initialized |
1453 |
__ jcc(Assembler::greater, loop); |
|
1454 |
__ bind(exit); |
|
1455 |
} |
|
1456 |
||
1457 |
// initialize fixed part of activation frame |
|
1458 |
generate_fixed_frame(false); |
|
1459 |
||
1460 |
// make sure method is not native & not abstract |
|
1461 |
#ifdef ASSERT |
|
1462 |
__ movl(rax, access_flags); |
|
1463 |
{ |
|
1464 |
Label L; |
|
1465 |
__ testl(rax, JVM_ACC_NATIVE); |
|
1466 |
__ jcc(Assembler::zero, L); |
|
1467 |
__ stop("tried to execute native method as non-native"); |
|
1468 |
__ bind(L); |
|
1469 |
} |
|
1470 |
{ |
|
1471 |
Label L; |
|
1472 |
__ testl(rax, JVM_ACC_ABSTRACT); |
|
1473 |
__ jcc(Assembler::zero, L); |
|
1474 |
__ stop("tried to execute abstract method in interpreter"); |
|
1475 |
__ bind(L); |
|
1476 |
} |
|
1477 |
#endif |
|
1478 |
||
1479 |
// Since at this point in the method invocation the exception |
|
1480 |
// handler would try to exit the monitor of synchronized methods |
|
1481 |
// which hasn't been entered yet, we set the thread local variable |
|
1482 |
// _do_not_unlock_if_synchronized to true. The remove_activation |
|
1483 |
// will check this flag. |
|
1484 |
||
1485 |
const Address do_not_unlock_if_synchronized(r15_thread, |
|
1486 |
in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); |
|
1487 |
__ movbool(do_not_unlock_if_synchronized, true); |
|
1488 |
||
21095
1a04f7b3946e
8026251: New type profiling points: parameters to methods
roland
parents:
20709
diff
changeset
|
1489 |
__ profile_parameters_type(rax, rcx, rdx); |
1 | 1490 |
// increment invocation count & check for overflow |
1491 |
Label invocation_counter_overflow; |
|
1492 |
Label profile_method; |
|
1493 |
Label profile_method_continue; |
|
1494 |
if (inc_counter) { |
|
1495 |
generate_counter_incr(&invocation_counter_overflow, |
|
1496 |
&profile_method, |
|
1497 |
&profile_method_continue); |
|
1498 |
if (ProfileInterpreter) { |
|
1499 |
__ bind(profile_method_continue); |
|
1500 |
} |
|
1501 |
} |
|
1502 |
||
1503 |
Label continue_after_compile; |
|
1504 |
__ bind(continue_after_compile); |
|
1505 |
||
1506 |
// check for synchronized interpreted methods |
|
1507 |
bang_stack_shadow_pages(false); |
|
1508 |
||
1509 |
// reset the _do_not_unlock_if_synchronized flag |
|
1510 |
__ movbool(do_not_unlock_if_synchronized, false); |
|
1511 |
||
1512 |
// check for synchronized methods |
|
1513 |
// Must happen AFTER invocation_counter check and stack overflow check, |
|
1514 |
// so method is not locked if overflows. |
|
1515 |
if (synchronized) { |
|
1516 |
// Allocate monitor and lock method |
|
1517 |
lock_method(); |
|
1518 |
} else { |
|
1519 |
// no synchronization necessary |
|
1520 |
#ifdef ASSERT |
|
1521 |
{ |
|
1522 |
Label L; |
|
1523 |
__ movl(rax, access_flags); |
|
1524 |
__ testl(rax, JVM_ACC_SYNCHRONIZED); |
|
1525 |
__ jcc(Assembler::zero, L); |
|
1526 |
__ stop("method needs synchronization"); |
|
1527 |
__ bind(L); |
|
1528 |
} |
|
1529 |
#endif |
|
1530 |
} |
|
1531 |
||
1532 |
// start execution |
|
1533 |
#ifdef ASSERT |
|
1534 |
{ |
|
1535 |
Label L; |
|
1536 |
const Address monitor_block_top (rbp, |
|
1537 |
frame::interpreter_frame_monitor_block_top_offset * wordSize); |
|
1066 | 1538 |
__ movptr(rax, monitor_block_top); |
1539 |
__ cmpptr(rax, rsp); |
|
1 | 1540 |
__ jcc(Assembler::equal, L); |
1541 |
__ stop("broken stack frame setup in interpreter"); |
|
1542 |
__ bind(L); |
|
1543 |
} |
|
1544 |
#endif |
|
1545 |
||
1546 |
// jvmti support |
|
1547 |
__ notify_method_entry(); |
|
1548 |
||
1549 |
__ dispatch_next(vtos); |
|
1550 |
||
1551 |
// invocation counter overflow |
|
1552 |
if (inc_counter) { |
|
1553 |
if (ProfileInterpreter) { |
|
1554 |
// We have decided to profile this method in the interpreter |
|
1555 |
__ bind(profile_method); |
|
7889
02144432d0e1
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
7401
diff
changeset
|
1556 |
__ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::profile_method)); |
02144432d0e1
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
7401
diff
changeset
|
1557 |
__ set_method_data_pointer_for_bcp(); |
7912
6d73dee171ea
7012766: assert(false) failed: DEBUG MESSAGE in MacroAssembler::debug32
iveresov
parents:
7889
diff
changeset
|
1558 |
__ get_method(rbx); |
1 | 1559 |
__ jmp(profile_method_continue); |
1560 |
} |
|
1561 |
// Handle overflow of counter and compile method |
|
1562 |
__ bind(invocation_counter_overflow); |
|
1563 |
generate_counter_overflow(&continue_after_compile); |
|
1564 |
} |
|
1565 |
||
1566 |
return entry_point; |
|
1567 |
} |
|
1568 |
||
1569 |
// Entry points |
|
1570 |
// |
|
1571 |
// Here we generate the various kind of entries into the interpreter. |
|
1572 |
// The two main entry type are generic bytecode methods and native |
|
1573 |
// call method. These both come in synchronized and non-synchronized |
|
1574 |
// versions but the frame layout they create is very similar. The |
|
1575 |
// other method entry types are really just special purpose entries |
|
1576 |
// that are really entry and interpretation all in one. These are for |
|
1577 |
// trivial methods like accessor, empty, or special math methods. |
|
1578 |
// |
|
1579 |
// When control flow reaches any of the entry types for the interpreter |
|
1580 |
// the following holds -> |
|
1581 |
// |
|
1582 |
// Arguments: |
|
1583 |
// |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1584 |
// rbx: Method* |
1 | 1585 |
// |
1586 |
// Stack layout immediately at entry |
|
1587 |
// |
|
1588 |
// [ return address ] <--- rsp |
|
1589 |
// [ parameter n ] |
|
1590 |
// ... |
|
1591 |
// [ parameter 1 ] |
|
1592 |
// [ expression stack ] (caller's java expression stack) |
|
1593 |
||
1594 |
// Assuming that we don't go to one of the trivial specialized entries |
|
1595 |
// the stack will look like below when we are ready to execute the |
|
1596 |
// first bytecode (or call the native routine). The register usage |
|
1597 |
// will be as the template based interpreter expects (see |
|
1598 |
// interpreter_amd64.hpp). |
|
1599 |
// |
|
1600 |
// local variables follow incoming parameters immediately; i.e. |
|
1601 |
// the return address is moved to the end of the locals). |
|
1602 |
// |
|
1603 |
// [ monitor entry ] <--- rsp |
|
1604 |
// ... |
|
1605 |
// [ monitor entry ] |
|
1606 |
// [ expr. stack bottom ] |
|
1607 |
// [ saved r13 ] |
|
1608 |
// [ current r14 ] |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1609 |
// [ Method* ] |
1 | 1610 |
// [ saved ebp ] <--- rbp |
1611 |
// [ return address ] |
|
1612 |
// [ local variable m ] |
|
1613 |
// ... |
|
1614 |
// [ local variable 1 ] |
|
1615 |
// [ parameter n ] |
|
1616 |
// ... |
|
1617 |
// [ parameter 1 ] <--- r14 |
|
1618 |
||
1619 |
address AbstractInterpreterGenerator::generate_method_entry( |
|
1620 |
AbstractInterpreter::MethodKind kind) { |
|
1621 |
// determine code generation flags |
|
1622 |
bool synchronized = false; |
|
1623 |
address entry_point = NULL; |
|
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
1624 |
InterpreterGenerator* ig_this = (InterpreterGenerator*)this; |
1 | 1625 |
|
1626 |
switch (kind) { |
|
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
1627 |
case Interpreter::zerolocals : break; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
1628 |
case Interpreter::zerolocals_synchronized: synchronized = true; break; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
1629 |
case Interpreter::native : entry_point = ig_this->generate_native_entry(false); break; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
1630 |
case Interpreter::native_synchronized : entry_point = ig_this->generate_native_entry(true); break; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
1631 |
case Interpreter::empty : entry_point = ig_this->generate_empty_entry(); break; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
1632 |
case Interpreter::accessor : entry_point = ig_this->generate_accessor_entry(); break; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
1633 |
case Interpreter::abstract : entry_point = ig_this->generate_abstract_entry(); break; |
2530
8e437991f5c0
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
2148
diff
changeset
|
1634 |
|
8e437991f5c0
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
2148
diff
changeset
|
1635 |
case Interpreter::java_lang_math_sin : // fall thru |
8e437991f5c0
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
2148
diff
changeset
|
1636 |
case Interpreter::java_lang_math_cos : // fall thru |
8e437991f5c0
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
2148
diff
changeset
|
1637 |
case Interpreter::java_lang_math_tan : // fall thru |
8e437991f5c0
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
2148
diff
changeset
|
1638 |
case Interpreter::java_lang_math_abs : // fall thru |
8e437991f5c0
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
2148
diff
changeset
|
1639 |
case Interpreter::java_lang_math_log : // fall thru |
8e437991f5c0
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
2148
diff
changeset
|
1640 |
case Interpreter::java_lang_math_log10 : // fall thru |
12739
09f26b73ae66
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
11439
diff
changeset
|
1641 |
case Interpreter::java_lang_math_sqrt : // fall thru |
09f26b73ae66
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
11439
diff
changeset
|
1642 |
case Interpreter::java_lang_math_pow : // fall thru |
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
1643 |
case Interpreter::java_lang_math_exp : entry_point = ig_this->generate_math_entry(kind); break; |
9176
42d9d1010f38
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
8315
diff
changeset
|
1644 |
case Interpreter::java_lang_ref_reference_get |
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
1645 |
: entry_point = ig_this->generate_Reference_get_entry(); break; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
1646 |
case Interpreter::java_util_zip_CRC32_update |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
1647 |
: entry_point = ig_this->generate_CRC32_update_entry(); break; |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
1648 |
case Interpreter::java_util_zip_CRC32_updateBytes |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
1649 |
: // fall thru |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
1650 |
case Interpreter::java_util_zip_CRC32_updateByteBuffer |
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
1651 |
: entry_point = ig_this->generate_CRC32_updateBytes_entry(kind); break; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
12937
diff
changeset
|
1652 |
default: |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
12937
diff
changeset
|
1653 |
fatal(err_msg("unexpected method kind: %d", kind)); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
12937
diff
changeset
|
1654 |
break; |
1 | 1655 |
} |
1656 |
||
1657 |
if (entry_point) { |
|
1658 |
return entry_point; |
|
1659 |
} |
|
1660 |
||
18507
61bfc8995bb3
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
17875
diff
changeset
|
1661 |
return ig_this->generate_normal_entry(synchronized); |
1 | 1662 |
} |
1663 |
||
4645
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1664 |
// These should never be compiled since the interpreter will prefer |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1665 |
// the compiled version to the intrinsic version. |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1666 |
bool AbstractInterpreter::can_be_compiled(methodHandle m) { |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1667 |
switch (method_kind(m)) { |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1668 |
case Interpreter::java_lang_math_sin : // fall thru |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1669 |
case Interpreter::java_lang_math_cos : // fall thru |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1670 |
case Interpreter::java_lang_math_tan : // fall thru |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1671 |
case Interpreter::java_lang_math_abs : // fall thru |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1672 |
case Interpreter::java_lang_math_log : // fall thru |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1673 |
case Interpreter::java_lang_math_log10 : // fall thru |
12739
09f26b73ae66
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
11439
diff
changeset
|
1674 |
case Interpreter::java_lang_math_sqrt : // fall thru |
09f26b73ae66
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
11439
diff
changeset
|
1675 |
case Interpreter::java_lang_math_pow : // fall thru |
09f26b73ae66
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
11439
diff
changeset
|
1676 |
case Interpreter::java_lang_math_exp : |
4645
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1677 |
return false; |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1678 |
default: |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1679 |
return true; |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1680 |
} |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1681 |
} |
0c5f5b94e93a
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
4564
diff
changeset
|
1682 |
|
1 | 1683 |
// How much stack a method activation needs in words. |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1684 |
int AbstractInterpreter::size_top_interpreter_activation(Method* method) { |
1 | 1685 |
const int entry_size = frame::interpreter_frame_monitor_size(); |
1686 |
||
1687 |
// total overhead size: entry_size + (saved rbp thru expr stack |
|
1688 |
// bottom). be sure to change this if you add/subtract anything |
|
1689 |
// to/from the overhead area |
|
1690 |
const int overhead_size = |
|
1691 |
-(frame::interpreter_frame_initial_sp_offset) + entry_size; |
|
1692 |
||
1693 |
const int stub_code = frame::entry_frame_after_call_words; |
|
17875
9d4aa49a1d76
8010460: Interpreter on some platforms loads ConstMethod::_max_stack and misses extra stack slots for JSR 292
roland
parents:
17037
diff
changeset
|
1694 |
const int method_stack = (method->max_locals() + method->max_stack()) * |
5419 | 1695 |
Interpreter::stackElementWords; |
1 | 1696 |
return (overhead_size + method_stack + stub_code); |
1697 |
} |
|
1698 |
||
1699 |
//----------------------------------------------------------------------------- |
|
1700 |
// Exceptions |
|
1701 |
||
1702 |
void TemplateInterpreterGenerator::generate_throw_exception() { |
|
1703 |
// Entry point in previous activation (i.e., if the caller was |
|
1704 |
// interpreted) |
|
1705 |
Interpreter::_rethrow_exception_entry = __ pc(); |
|
1706 |
// Restore sp to interpreter_frame_last_sp even though we are going |
|
1707 |
// to empty the expression stack for the exception processing. |
|
1066 | 1708 |
__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
1 | 1709 |
// rax: exception |
1710 |
// rdx: return address/pc that threw exception |
|
1711 |
__ restore_bcp(); // r13 points to call/send |
|
1712 |
__ restore_locals(); |
|
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
1713 |
__ reinit_heapbase(); // restore r12 as heapbase. |
1 | 1714 |
// Entry point for exceptions thrown within interpreter code |
1715 |
Interpreter::_throw_exception_entry = __ pc(); |
|
1716 |
// expression stack is undefined here |
|
1717 |
// rax: exception |
|
1718 |
// r13: exception bcp |
|
1719 |
__ verify_oop(rax); |
|
1066 | 1720 |
__ mov(c_rarg1, rax); |
1 | 1721 |
|
1722 |
// expression stack must be empty before entering the VM in case of |
|
1723 |
// an exception |
|
1724 |
__ empty_expression_stack(); |
|
1725 |
// find exception handler address and preserve exception oop |
|
1726 |
__ call_VM(rdx, |
|
1727 |
CAST_FROM_FN_PTR(address, |
|
1728 |
InterpreterRuntime::exception_handler_for_exception), |
|
1729 |
c_rarg1); |
|
1730 |
// rax: exception handler entry point |
|
1731 |
// rdx: preserved exception oop |
|
1732 |
// r13: bcp for exception handler |
|
1733 |
__ push_ptr(rdx); // push exception which is now the only value on the stack |
|
1734 |
__ jmp(rax); // jump to exception handler (may be _remove_activation_entry!) |
|
1735 |
||
1736 |
// If the exception is not handled in the current frame the frame is |
|
1737 |
// removed and the exception is rethrown (i.e. exception |
|
1738 |
// continuation is _rethrow_exception). |
|
1739 |
// |
|
1740 |
// Note: At this point the bci is still the bxi for the instruction |
|
1741 |
// which caused the exception and the expression stack is |
|
1742 |
// empty. Thus, for any VM calls at this point, GC will find a legal |
|
1743 |
// oop map (with empty expression stack). |
|
1744 |
||
1745 |
// In current activation |
|
1746 |
// tos: exception |
|
1747 |
// esi: exception bcp |
|
1748 |
||
1749 |
// |
|
1750 |
// JVMTI PopFrame support |
|
1751 |
// |
|
1752 |
||
1753 |
Interpreter::_remove_activation_preserving_args_entry = __ pc(); |
|
1754 |
__ empty_expression_stack(); |
|
1755 |
// Set the popframe_processing bit in pending_popframe_condition |
|
1756 |
// indicating that we are currently handling popframe, so that |
|
1757 |
// call_VMs that may happen later do not trigger new popframe |
|
1758 |
// handling cycles. |
|
1759 |
__ movl(rdx, Address(r15_thread, JavaThread::popframe_condition_offset())); |
|
1760 |
__ orl(rdx, JavaThread::popframe_processing_bit); |
|
1761 |
__ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), rdx); |
|
1762 |
||
1763 |
{ |
|
1764 |
// Check to see whether we are returning to a deoptimized frame. |
|
1765 |
// (The PopFrame call ensures that the caller of the popped frame is |
|
1766 |
// either interpreted or compiled and deoptimizes it if compiled.) |
|
1767 |
// In this case, we can't call dispatch_next() after the frame is |
|
1768 |
// popped, but instead must save the incoming arguments and restore |
|
1769 |
// them after deoptimization has occurred. |
|
1770 |
// |
|
1771 |
// Note that we don't compare the return PC against the |
|
1772 |
// deoptimization blob's unpack entry because of the presence of |
|
1773 |
// adapter frames in C2. |
|
1774 |
Label caller_not_deoptimized; |
|
1066 | 1775 |
__ movptr(c_rarg1, Address(rbp, frame::return_addr_offset * wordSize)); |
1 | 1776 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
1777 |
InterpreterRuntime::interpreter_contains), c_rarg1); |
|
1778 |
__ testl(rax, rax); |
|
1779 |
__ jcc(Assembler::notZero, caller_not_deoptimized); |
|
1780 |
||
1781 |
// Compute size of arguments for saving when returning to |
|
1782 |
// deoptimized caller |
|
1783 |
__ get_method(rax); |
|
14745
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1784 |
__ movptr(rax, Address(rax, Method::const_offset())); |
03904dd8649b
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
14626
diff
changeset
|
1785 |
__ load_unsigned_short(rax, Address(rax, in_bytes(ConstMethod:: |
1 | 1786 |
size_of_parameters_offset()))); |
5419 | 1787 |
__ shll(rax, Interpreter::logStackElementSize); |
1 | 1788 |
__ restore_locals(); // XXX do we need this? |
1066 | 1789 |
__ subptr(r14, rax); |
1790 |
__ addptr(r14, wordSize); |
|
1 | 1791 |
// Save these arguments |
1792 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
|
1793 |
Deoptimization:: |
|
1794 |
popframe_preserve_args), |
|
1795 |
r15_thread, rax, r14); |
|
1796 |
||
1797 |
__ remove_activation(vtos, rdx, |
|
1798 |
/* throw_monitor_exception */ false, |
|
1799 |
/* install_monitor_exception */ false, |
|
1800 |
/* notify_jvmdi */ false); |
|
1801 |
||
1802 |
// Inform deoptimization that it is responsible for restoring |
|
1803 |
// these arguments |
|
1804 |
__ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), |
|
1805 |
JavaThread::popframe_force_deopt_reexecution_bit); |
|
1806 |
||
1807 |
// Continue in deoptimization handler |
|
1808 |
__ jmp(rdx); |
|
1809 |
||
1810 |
__ bind(caller_not_deoptimized); |
|
1811 |
} |
|
1812 |
||
1813 |
__ remove_activation(vtos, rdx, /* rdx result (retaddr) is not used */ |
|
1814 |
/* throw_monitor_exception */ false, |
|
1815 |
/* install_monitor_exception */ false, |
|
1816 |
/* notify_jvmdi */ false); |
|
1817 |
||
1818 |
// Finish with popframe handling |
|
1819 |
// A previous I2C followed by a deoptimization might have moved the |
|
1820 |
// outgoing arguments further up the stack. PopFrame expects the |
|
1821 |
// mutations to those outgoing arguments to be preserved and other |
|
1822 |
// constraints basically require this frame to look exactly as |
|
1823 |
// though it had previously invoked an interpreted activation with |
|
1824 |
// no space between the top of the expression stack (current |
|
1825 |
// last_sp) and the top of stack. Rather than force deopt to |
|
1826 |
// maintain this kind of invariant all the time we call a small |
|
1827 |
// fixup routine to move the mutated arguments onto the top of our |
|
1828 |
// expression stack if necessary. |
|
1066 | 1829 |
__ mov(c_rarg1, rsp); |
1830 |
__ movptr(c_rarg2, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
|
1 | 1831 |
// PC must point into interpreter here |
1832 |
__ set_last_Java_frame(noreg, rbp, __ pc()); |
|
1833 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::popframe_move_outgoing_args), r15_thread, c_rarg1, c_rarg2); |
|
1834 |
__ reset_last_Java_frame(true, true); |
|
1835 |
// Restore the last_sp and null it out |
|
1066 | 1836 |
__ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
1837 |
__ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
|
1 | 1838 |
|
1839 |
__ restore_bcp(); // XXX do we need this? |
|
1840 |
__ restore_locals(); // XXX do we need this? |
|
1841 |
// The method data pointer was incremented already during |
|
1842 |
// call profiling. We have to restore the mdp for the current bcp. |
|
1843 |
if (ProfileInterpreter) { |
|
1844 |
__ set_method_data_pointer_for_bcp(); |
|
1845 |
} |
|
1846 |
||
1847 |
// Clear the popframe condition flag |
|
1848 |
__ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), |
|
1849 |
JavaThread::popframe_inactive); |
|
1850 |
||
19266
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1851 |
#if INCLUDE_JVMTI |
24322 | 1852 |
{ |
19266
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1853 |
Label L_done; |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1854 |
const Register local0 = r14; |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1855 |
|
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1856 |
__ cmpb(Address(r13, 0), Bytecodes::_invokestatic); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1857 |
__ jcc(Assembler::notEqual, L_done); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1858 |
|
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1859 |
// The member name argument must be restored if _invokestatic is re-executed after a PopFrame call. |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1860 |
// Detect such a case in the InterpreterRuntime function and return the member name argument, or NULL. |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1861 |
|
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1862 |
__ get_method(rdx); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1863 |
__ movptr(rax, Address(local0, 0)); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1864 |
__ call_VM(rax, CAST_FROM_FN_PTR(address, InterpreterRuntime::member_name_arg_or_null), rax, rdx, r13); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1865 |
|
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1866 |
__ testptr(rax, rax); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1867 |
__ jcc(Assembler::zero, L_done); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1868 |
|
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1869 |
__ movptr(Address(rbx, 0), rax); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1870 |
__ bind(L_done); |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1871 |
} |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1872 |
#endif // INCLUDE_JVMTI |
bb0324cbe0aa
7187554: JSR 292: JVMTI PopFrame needs to handle appendix arguments
sspitsyn
parents:
18507
diff
changeset
|
1873 |
|
1 | 1874 |
__ dispatch_next(vtos); |
1875 |
// end of PopFrame support |
|
1876 |
||
1877 |
Interpreter::_remove_activation_entry = __ pc(); |
|
1878 |
||
1879 |
// preserve exception over this code sequence |
|
1880 |
__ pop_ptr(rax); |
|
1066 | 1881 |
__ movptr(Address(r15_thread, JavaThread::vm_result_offset()), rax); |
1 | 1882 |
// remove the activation (without doing throws on illegalMonitorExceptions) |
1883 |
__ remove_activation(vtos, rdx, false, true, false); |
|
1884 |
// restore exception |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13391
diff
changeset
|
1885 |
__ get_vm_result(rax, r15_thread); |
1 | 1886 |
|
1887 |
// In between activations - previous activation type unknown yet |
|
1888 |
// compute continuation point - the continuation point expects the |
|
1889 |
// following registers set up: |
|
1890 |
// |
|
1891 |
// rax: exception |
|
1892 |
// rdx: return address/pc that threw exception |
|
1893 |
// rsp: expression stack of caller |
|
1894 |
// rbp: ebp of caller |
|
1066 | 1895 |
__ push(rax); // save exception |
1896 |
__ push(rdx); // save return address |
|
1 | 1897 |
__ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
1898 |
SharedRuntime::exception_handler_for_return_address), |
|
5046 | 1899 |
r15_thread, rdx); |
1066 | 1900 |
__ mov(rbx, rax); // save exception handler |
1901 |
__ pop(rdx); // restore return address |
|
1902 |
__ pop(rax); // restore exception |
|
1 | 1903 |
// Note that an "issuing PC" is actually the next PC after the call |
1904 |
__ jmp(rbx); // jump to exception |
|
1905 |
// handler of caller |
|
1906 |
} |
|
1907 |
||
1908 |
||
1909 |
// |
|
1910 |
// JVMTI ForceEarlyReturn support |
|
1911 |
// |
|
1912 |
address TemplateInterpreterGenerator::generate_earlyret_entry_for(TosState state) { |
|
1913 |
address entry = __ pc(); |
|
1914 |
||
1915 |
__ restore_bcp(); |
|
1916 |
__ restore_locals(); |
|
1917 |
__ empty_expression_stack(); |
|
1918 |
__ load_earlyret_value(state); |
|
1919 |
||
1066 | 1920 |
__ movptr(rdx, Address(r15_thread, JavaThread::jvmti_thread_state_offset())); |
1 | 1921 |
Address cond_addr(rdx, JvmtiThreadState::earlyret_state_offset()); |
1922 |
||
1923 |
// Clear the earlyret state |
|
1924 |
__ movl(cond_addr, JvmtiThreadState::earlyret_inactive); |
|
1925 |
||
1926 |
__ remove_activation(state, rsi, |
|
1927 |
false, /* throw_monitor_exception */ |
|
1928 |
false, /* install_monitor_exception */ |
|
1929 |
true); /* notify_jvmdi */ |
|
1930 |
__ jmp(rsi); |
|
1931 |
||
1932 |
return entry; |
|
1933 |
} // end of ForceEarlyReturn support |
|
1934 |
||
1935 |
||
1936 |
//----------------------------------------------------------------------------- |
|
1937 |
// Helper for vtos entry point generation |
|
1938 |
||
1939 |
void TemplateInterpreterGenerator::set_vtos_entry_points(Template* t, |
|
1940 |
address& bep, |
|
1941 |
address& cep, |
|
1942 |
address& sep, |
|
1943 |
address& aep, |
|
1944 |
address& iep, |
|
1945 |
address& lep, |
|
1946 |
address& fep, |
|
1947 |
address& dep, |
|
1948 |
address& vep) { |
|
1949 |
assert(t->is_valid() && t->tos_in() == vtos, "illegal template"); |
|
1950 |
Label L; |
|
1951 |
aep = __ pc(); __ push_ptr(); __ jmp(L); |
|
1952 |
fep = __ pc(); __ push_f(); __ jmp(L); |
|
1953 |
dep = __ pc(); __ push_d(); __ jmp(L); |
|
1954 |
lep = __ pc(); __ push_l(); __ jmp(L); |
|
1955 |
bep = cep = sep = |
|
1956 |
iep = __ pc(); __ push_i(); |
|
1957 |
vep = __ pc(); |
|
1958 |
__ bind(L); |
|
1959 |
generate_and_dispatch(t); |
|
1960 |
} |
|
1961 |
||
1962 |
||
1963 |
//----------------------------------------------------------------------------- |
|
1964 |
// Generation of individual instructions |
|
1965 |
||
1966 |
// helpers for generate_and_dispatch |
|
1967 |
||
1968 |
||
1969 |
InterpreterGenerator::InterpreterGenerator(StubQueue* code) |
|
1970 |
: TemplateInterpreterGenerator(code) { |
|
1971 |
generate_all(); // down here so it can be "virtual" |
|
1972 |
} |
|
1973 |
||
1974 |
//----------------------------------------------------------------------------- |
|
1975 |
||
1976 |
// Non-product code |
|
1977 |
#ifndef PRODUCT |
|
1978 |
address TemplateInterpreterGenerator::generate_trace_code(TosState state) { |
|
1979 |
address entry = __ pc(); |
|
1980 |
||
1981 |
__ push(state); |
|
1066 | 1982 |
__ push(c_rarg0); |
1983 |
__ push(c_rarg1); |
|
1984 |
__ push(c_rarg2); |
|
1985 |
__ push(c_rarg3); |
|
1986 |
__ mov(c_rarg2, rax); // Pass itos |
|
1 | 1987 |
#ifdef _WIN64 |
1988 |
__ movflt(xmm3, xmm0); // Pass ftos |
|
1989 |
#endif |
|
1990 |
__ call_VM(noreg, |
|
1991 |
CAST_FROM_FN_PTR(address, SharedRuntime::trace_bytecode), |
|
1992 |
c_rarg1, c_rarg2, c_rarg3); |
|
1066 | 1993 |
__ pop(c_rarg3); |
1994 |
__ pop(c_rarg2); |
|
1995 |
__ pop(c_rarg1); |
|
1996 |
__ pop(c_rarg0); |
|
1 | 1997 |
__ pop(state); |
1998 |
__ ret(0); // return from result handler |
|
1999 |
||
2000 |
return entry; |
|
2001 |
} |
|
2002 |
||
2003 |
void TemplateInterpreterGenerator::count_bytecode() { |
|
2004 |
__ incrementl(ExternalAddress((address) &BytecodeCounter::_counter_value)); |
|
2005 |
} |
|
2006 |
||
2007 |
void TemplateInterpreterGenerator::histogram_bytecode(Template* t) { |
|
2008 |
__ incrementl(ExternalAddress((address) &BytecodeHistogram::_counters[t->bytecode()])); |
|
2009 |
} |
|
2010 |
||
2011 |
void TemplateInterpreterGenerator::histogram_bytecode_pair(Template* t) { |
|
2012 |
__ mov32(rbx, ExternalAddress((address) &BytecodePairHistogram::_index)); |
|
2013 |
__ shrl(rbx, BytecodePairHistogram::log2_number_of_codes); |
|
2014 |
__ orl(rbx, |
|
2015 |
((int) t->bytecode()) << |
|
2016 |
BytecodePairHistogram::log2_number_of_codes); |
|
2017 |
__ mov32(ExternalAddress((address) &BytecodePairHistogram::_index), rbx); |
|
2018 |
__ lea(rscratch1, ExternalAddress((address) BytecodePairHistogram::_counters)); |
|
2019 |
__ incrementl(Address(rscratch1, rbx, Address::times_4)); |
|
2020 |
} |
|
2021 |
||
2022 |
||
2023 |
void TemplateInterpreterGenerator::trace_bytecode(Template* t) { |
|
2024 |
// Call a little run-time stub to avoid blow-up for each bytecode. |
|
2025 |
// The run-time runtime saves the right registers, depending on |
|
2026 |
// the tosca in-state for the given template. |
|
2027 |
||
2028 |
assert(Interpreter::trace_code(t->tos_in()) != NULL, |
|
2029 |
"entry must have been generated"); |
|
7401
ebde7415b521
6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
coleenp
parents:
7397
diff
changeset
|
2030 |
__ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
1066 | 2031 |
__ andptr(rsp, -16); // align stack as required by ABI |
1 | 2032 |
__ call(RuntimeAddress(Interpreter::trace_code(t->tos_in()))); |
1066 | 2033 |
__ mov(rsp, r12); // restore sp |
360
21d113ecbf6a
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
1
diff
changeset
|
2034 |
__ reinit_heapbase(); |
1 | 2035 |
} |
2036 |
||
2037 |
||
2038 |
void TemplateInterpreterGenerator::stop_interpreter_at() { |
|
2039 |
Label L; |
|
2040 |
__ cmp32(ExternalAddress((address) &BytecodeCounter::_counter_value), |
|
2041 |
StopInterpreterAt); |
|
2042 |
__ jcc(Assembler::notEqual, L); |
|
2043 |
__ int3(); |
|
2044 |
__ bind(L); |
|
2045 |
} |
|
2046 |
#endif // !PRODUCT |
|
1066 | 2047 |
#endif // ! CC_INTERP |