Mercurial > hg > truffle
annotate src/cpu/sparc/vm/c1_CodeStubs_sparc.cpp @ 8016:1135141fb97e
Merge
author | brutisso |
---|---|
date | Fri, 08 Feb 2013 10:08:40 +0100 |
parents | db9981fd3124 |
children | 46f6f063b272 |
rev | line source |
---|---|
0 | 1 /* |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1295
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1295
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1295
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "c1/c1_CodeStubs.hpp" | |
27 #include "c1/c1_FrameMap.hpp" | |
28 #include "c1/c1_LIRAssembler.hpp" | |
29 #include "c1/c1_MacroAssembler.hpp" | |
30 #include "c1/c1_Runtime1.hpp" | |
31 #include "nativeInst_sparc.hpp" | |
32 #include "runtime/sharedRuntime.hpp" | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7430
diff
changeset
|
33 #include "utilities/macros.hpp" |
1972 | 34 #include "vmreg_sparc.inline.hpp" |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7430
diff
changeset
|
35 #if INCLUDE_ALL_GCS |
1972 | 36 #include "gc_implementation/g1/g1SATBCardTableModRefBS.hpp" |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7430
diff
changeset
|
37 #endif // INCLUDE_ALL_GCS |
0 | 38 |
39 #define __ ce->masm()-> | |
40 | |
41 RangeCheckStub::RangeCheckStub(CodeEmitInfo* info, LIR_Opr index, | |
42 bool throw_index_out_of_bounds_exception) | |
43 : _throw_index_out_of_bounds_exception(throw_index_out_of_bounds_exception) | |
44 , _index(index) | |
45 { | |
1819 | 46 assert(info != NULL, "must have info"); |
0 | 47 _info = new CodeEmitInfo(info); |
48 } | |
49 | |
50 | |
51 void RangeCheckStub::emit_code(LIR_Assembler* ce) { | |
52 __ bind(_entry); | |
53 | |
54 if (_index->is_register()) { | |
55 __ mov(_index->as_register(), G4); | |
56 } else { | |
57 __ set(_index->as_jint(), G4); | |
58 } | |
59 if (_throw_index_out_of_bounds_exception) { | |
60 __ call(Runtime1::entry_for(Runtime1::throw_index_exception_id), relocInfo::runtime_call_type); | |
61 } else { | |
62 __ call(Runtime1::entry_for(Runtime1::throw_range_check_failed_id), relocInfo::runtime_call_type); | |
63 } | |
64 __ delayed()->nop(); | |
65 ce->add_call_info_here(_info); | |
66 ce->verify_oop_map(_info); | |
67 #ifdef ASSERT | |
68 __ should_not_reach_here(); | |
69 #endif | |
70 } | |
71 | |
72 | |
73 void CounterOverflowStub::emit_code(LIR_Assembler* ce) { | |
74 __ bind(_entry); | |
75 __ set(_bci, G4); | |
76 __ call(Runtime1::entry_for(Runtime1::counter_overflow_id), relocInfo::runtime_call_type); | |
1783 | 77 __ delayed()->mov_or_nop(_method->as_register(), G5); |
0 | 78 ce->add_call_info_here(_info); |
79 ce->verify_oop_map(_info); | |
80 | |
81 __ br(Assembler::always, true, Assembler::pt, _continuation); | |
82 __ delayed()->nop(); | |
83 } | |
84 | |
85 | |
86 void DivByZeroStub::emit_code(LIR_Assembler* ce) { | |
87 if (_offset != -1) { | |
88 ce->compilation()->implicit_exception_table()->append(_offset, __ offset()); | |
89 } | |
90 __ bind(_entry); | |
91 __ call(Runtime1::entry_for(Runtime1::throw_div0_exception_id), relocInfo::runtime_call_type); | |
92 __ delayed()->nop(); | |
93 ce->add_call_info_here(_info); | |
94 ce->verify_oop_map(_info); | |
95 #ifdef ASSERT | |
96 __ should_not_reach_here(); | |
97 #endif | |
98 } | |
99 | |
100 | |
101 void ImplicitNullCheckStub::emit_code(LIR_Assembler* ce) { | |
102 ce->compilation()->implicit_exception_table()->append(_offset, __ offset()); | |
103 __ bind(_entry); | |
104 __ call(Runtime1::entry_for(Runtime1::throw_null_pointer_exception_id), | |
105 relocInfo::runtime_call_type); | |
106 __ delayed()->nop(); | |
107 ce->add_call_info_here(_info); | |
108 ce->verify_oop_map(_info); | |
109 #ifdef ASSERT | |
110 __ should_not_reach_here(); | |
111 #endif | |
112 } | |
113 | |
114 | |
115 // Implementation of SimpleExceptionStub | |
116 // Note: %g1 and %g3 are already in use | |
117 void SimpleExceptionStub::emit_code(LIR_Assembler* ce) { | |
118 __ bind(_entry); | |
119 __ call(Runtime1::entry_for(_stub), relocInfo::runtime_call_type); | |
120 | |
121 if (_obj->is_valid()) { | |
122 __ delayed()->mov(_obj->as_register(), G4); // _obj contains the optional argument to the stub | |
123 } else { | |
124 __ delayed()->mov(G0, G4); | |
125 } | |
126 ce->add_call_info_here(_info); | |
127 #ifdef ASSERT | |
128 __ should_not_reach_here(); | |
129 #endif | |
130 } | |
131 | |
132 | |
133 // Implementation of NewInstanceStub | |
134 | |
135 NewInstanceStub::NewInstanceStub(LIR_Opr klass_reg, LIR_Opr result, ciInstanceKlass* klass, CodeEmitInfo* info, Runtime1::StubID stub_id) { | |
136 _result = result; | |
137 _klass = klass; | |
138 _klass_reg = klass_reg; | |
139 _info = new CodeEmitInfo(info); | |
140 assert(stub_id == Runtime1::new_instance_id || | |
141 stub_id == Runtime1::fast_new_instance_id || | |
142 stub_id == Runtime1::fast_new_instance_init_check_id, | |
143 "need new_instance id"); | |
144 _stub_id = stub_id; | |
145 } | |
146 | |
147 | |
148 void NewInstanceStub::emit_code(LIR_Assembler* ce) { | |
149 __ bind(_entry); | |
150 __ call(Runtime1::entry_for(_stub_id), relocInfo::runtime_call_type); | |
151 __ delayed()->mov_or_nop(_klass_reg->as_register(), G5); | |
152 ce->add_call_info_here(_info); | |
153 ce->verify_oop_map(_info); | |
154 __ br(Assembler::always, false, Assembler::pt, _continuation); | |
155 __ delayed()->mov_or_nop(O0, _result->as_register()); | |
156 } | |
157 | |
158 | |
159 // Implementation of NewTypeArrayStub | |
160 NewTypeArrayStub::NewTypeArrayStub(LIR_Opr klass_reg, LIR_Opr length, LIR_Opr result, CodeEmitInfo* info) { | |
161 _klass_reg = klass_reg; | |
162 _length = length; | |
163 _result = result; | |
164 _info = new CodeEmitInfo(info); | |
165 } | |
166 | |
167 | |
168 void NewTypeArrayStub::emit_code(LIR_Assembler* ce) { | |
169 __ bind(_entry); | |
170 | |
171 __ mov(_length->as_register(), G4); | |
172 __ call(Runtime1::entry_for(Runtime1::new_type_array_id), relocInfo::runtime_call_type); | |
173 __ delayed()->mov_or_nop(_klass_reg->as_register(), G5); | |
174 ce->add_call_info_here(_info); | |
175 ce->verify_oop_map(_info); | |
176 __ br(Assembler::always, false, Assembler::pt, _continuation); | |
177 __ delayed()->mov_or_nop(O0, _result->as_register()); | |
178 } | |
179 | |
180 | |
181 // Implementation of NewObjectArrayStub | |
182 | |
183 NewObjectArrayStub::NewObjectArrayStub(LIR_Opr klass_reg, LIR_Opr length, LIR_Opr result, CodeEmitInfo* info) { | |
184 _klass_reg = klass_reg; | |
185 _length = length; | |
186 _result = result; | |
187 _info = new CodeEmitInfo(info); | |
188 } | |
189 | |
190 | |
191 void NewObjectArrayStub::emit_code(LIR_Assembler* ce) { | |
192 __ bind(_entry); | |
193 | |
194 __ mov(_length->as_register(), G4); | |
195 __ call(Runtime1::entry_for(Runtime1::new_object_array_id), relocInfo::runtime_call_type); | |
196 __ delayed()->mov_or_nop(_klass_reg->as_register(), G5); | |
197 ce->add_call_info_here(_info); | |
198 ce->verify_oop_map(_info); | |
199 __ br(Assembler::always, false, Assembler::pt, _continuation); | |
200 __ delayed()->mov_or_nop(O0, _result->as_register()); | |
201 } | |
202 | |
203 | |
204 // Implementation of MonitorAccessStubs | |
205 MonitorEnterStub::MonitorEnterStub(LIR_Opr obj_reg, LIR_Opr lock_reg, CodeEmitInfo* info) | |
206 : MonitorAccessStub(obj_reg, lock_reg) { | |
207 _info = new CodeEmitInfo(info); | |
208 } | |
209 | |
210 | |
211 void MonitorEnterStub::emit_code(LIR_Assembler* ce) { | |
212 __ bind(_entry); | |
213 __ mov(_obj_reg->as_register(), G4); | |
214 if (ce->compilation()->has_fpu_code()) { | |
215 __ call(Runtime1::entry_for(Runtime1::monitorenter_id), relocInfo::runtime_call_type); | |
216 } else { | |
217 __ call(Runtime1::entry_for(Runtime1::monitorenter_nofpu_id), relocInfo::runtime_call_type); | |
218 } | |
219 __ delayed()->mov_or_nop(_lock_reg->as_register(), G5); | |
220 ce->add_call_info_here(_info); | |
221 ce->verify_oop_map(_info); | |
222 __ br(Assembler::always, true, Assembler::pt, _continuation); | |
223 __ delayed()->nop(); | |
224 } | |
225 | |
226 | |
227 void MonitorExitStub::emit_code(LIR_Assembler* ce) { | |
228 __ bind(_entry); | |
229 if (_compute_lock) { | |
230 ce->monitor_address(_monitor_ix, _lock_reg); | |
231 } | |
232 if (ce->compilation()->has_fpu_code()) { | |
233 __ call(Runtime1::entry_for(Runtime1::monitorexit_id), relocInfo::runtime_call_type); | |
234 } else { | |
235 __ call(Runtime1::entry_for(Runtime1::monitorexit_nofpu_id), relocInfo::runtime_call_type); | |
236 } | |
237 | |
238 __ delayed()->mov_or_nop(_lock_reg->as_register(), G4); | |
239 __ br(Assembler::always, true, Assembler::pt, _continuation); | |
240 __ delayed()->nop(); | |
241 } | |
242 | |
243 // Implementation of patching: | |
244 // - Copy the code at given offset to an inlined buffer (first the bytes, then the number of bytes) | |
245 // - Replace original code with a call to the stub | |
246 // At Runtime: | |
247 // - call to stub, jump to runtime | |
248 // - in runtime: preserve all registers (especially objects, i.e., source and destination object) | |
249 // - in runtime: after initializing class, restore original code, reexecute instruction | |
250 | |
251 int PatchingStub::_patch_info_offset = -NativeGeneralJump::instruction_size; | |
252 | |
253 void PatchingStub::align_patch_site(MacroAssembler* ) { | |
254 // patch sites on sparc are always properly aligned. | |
255 } | |
256 | |
257 void PatchingStub::emit_code(LIR_Assembler* ce) { | |
258 // copy original code here | |
259 assert(NativeCall::instruction_size <= _bytes_to_copy && _bytes_to_copy <= 0xFF, | |
260 "not enough room for call"); | |
261 assert((_bytes_to_copy & 0x3) == 0, "must copy a multiple of four bytes"); | |
262 | |
263 Label call_patch; | |
264 | |
265 int being_initialized_entry = __ offset(); | |
266 | |
267 if (_id == load_klass_id) { | |
268 // produce a copy of the load klass instruction for use by the being initialized case | |
727 | 269 #ifdef ASSERT |
0 | 270 address start = __ pc(); |
727 | 271 #endif |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
272 AddressLiteral addrlit(NULL, metadata_Relocation::spec(_index)); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
273 __ patchable_set(addrlit, _obj); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
274 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
275 #ifdef ASSERT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
276 for (int i = 0; i < _bytes_to_copy; i++) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
277 address ptr = (address)(_pc_start + i); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
278 int a_byte = (*ptr) & 0xFF; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
279 assert(a_byte == *start++, "should be the same code"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
280 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
281 #endif |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
282 } else if (_id == load_mirror_id) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
283 // produce a copy of the load mirror instruction for use by the being initialized case |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
284 #ifdef ASSERT |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
285 address start = __ pc(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
286 #endif |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
287 AddressLiteral addrlit(NULL, oop_Relocation::spec(_index)); |
727 | 288 __ patchable_set(addrlit, _obj); |
0 | 289 |
290 #ifdef ASSERT | |
291 for (int i = 0; i < _bytes_to_copy; i++) { | |
292 address ptr = (address)(_pc_start + i); | |
293 int a_byte = (*ptr) & 0xFF; | |
294 assert(a_byte == *start++, "should be the same code"); | |
295 } | |
296 #endif | |
297 } else { | |
298 // make a copy the code which is going to be patched. | |
299 for (int i = 0; i < _bytes_to_copy; i++) { | |
300 address ptr = (address)(_pc_start + i); | |
301 int a_byte = (*ptr) & 0xFF; | |
7430
d02120b7a34f
8004250: replace AbstractAssembler a_byte/a_long with emit_int8/emit_int32
twisti
parents:
6725
diff
changeset
|
302 __ emit_int8 (a_byte); |
0 | 303 } |
304 } | |
305 | |
306 address end_of_patch = __ pc(); | |
307 int bytes_to_skip = 0; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
308 if (_id == load_mirror_id) { |
0 | 309 int offset = __ offset(); |
310 if (CommentedAssembly) { | |
311 __ block_comment(" being_initialized check"); | |
312 } | |
313 | |
314 // static field accesses have special semantics while the class | |
315 // initializer is being run so we emit a test which can be used to | |
316 // check that this code is being executed by the initializing | |
317 // thread. | |
318 assert(_obj != noreg, "must be a valid register"); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
319 assert(_index >= 0, "must have oop index"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
320 __ ld_ptr(_obj, java_lang_Class::klass_offset_in_bytes(), G3); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
321 __ ld_ptr(G3, in_bytes(InstanceKlass::init_thread_offset()), G3); |
3839 | 322 __ cmp_and_brx_short(G2_thread, G3, Assembler::notEqual, Assembler::pn, call_patch); |
0 | 323 |
324 // load_klass patches may execute the patched code before it's | |
325 // copied back into place so we need to jump back into the main | |
326 // code of the nmethod to continue execution. | |
327 __ br(Assembler::always, false, Assembler::pt, _patch_site_continuation); | |
328 __ delayed()->nop(); | |
329 | |
330 // make sure this extra code gets skipped | |
331 bytes_to_skip += __ offset() - offset; | |
332 } | |
333 | |
334 // Now emit the patch record telling the runtime how to find the | |
335 // pieces of the patch. We only need 3 bytes but it has to be | |
336 // aligned as an instruction so emit 4 bytes. | |
337 int sizeof_patch_record = 4; | |
338 bytes_to_skip += sizeof_patch_record; | |
339 | |
340 // emit the offsets needed to find the code to patch | |
341 int being_initialized_entry_offset = __ offset() - being_initialized_entry + sizeof_patch_record; | |
342 | |
343 // Emit the patch record. We need to emit a full word, so emit an extra empty byte | |
7430
d02120b7a34f
8004250: replace AbstractAssembler a_byte/a_long with emit_int8/emit_int32
twisti
parents:
6725
diff
changeset
|
344 __ emit_int8(0); |
d02120b7a34f
8004250: replace AbstractAssembler a_byte/a_long with emit_int8/emit_int32
twisti
parents:
6725
diff
changeset
|
345 __ emit_int8(being_initialized_entry_offset); |
d02120b7a34f
8004250: replace AbstractAssembler a_byte/a_long with emit_int8/emit_int32
twisti
parents:
6725
diff
changeset
|
346 __ emit_int8(bytes_to_skip); |
d02120b7a34f
8004250: replace AbstractAssembler a_byte/a_long with emit_int8/emit_int32
twisti
parents:
6725
diff
changeset
|
347 __ emit_int8(_bytes_to_copy); |
0 | 348 address patch_info_pc = __ pc(); |
349 assert(patch_info_pc - end_of_patch == bytes_to_skip, "incorrect patch info"); | |
350 | |
351 address entry = __ pc(); | |
352 NativeGeneralJump::insert_unconditional((address)_pc_start, entry); | |
353 address target = NULL; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
354 relocInfo::relocType reloc_type = relocInfo::none; |
0 | 355 switch (_id) { |
356 case access_field_id: target = Runtime1::entry_for(Runtime1::access_field_patching_id); break; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
357 case load_klass_id: target = Runtime1::entry_for(Runtime1::load_klass_patching_id); reloc_type = relocInfo::metadata_type; break; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
358 case load_mirror_id: target = Runtime1::entry_for(Runtime1::load_mirror_patching_id); reloc_type = relocInfo::oop_type; break; |
0 | 359 default: ShouldNotReachHere(); |
360 } | |
361 __ bind(call_patch); | |
362 | |
363 if (CommentedAssembly) { | |
364 __ block_comment("patch entry point"); | |
365 } | |
366 __ call(target, relocInfo::runtime_call_type); | |
367 __ delayed()->nop(); | |
368 assert(_patch_info_offset == (patch_info_pc - __ pc()), "must not change"); | |
369 ce->add_call_info_here(_info); | |
370 __ br(Assembler::always, false, Assembler::pt, _patch_site_entry); | |
371 __ delayed()->nop(); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
372 if (_id == load_klass_id || _id == load_mirror_id) { |
0 | 373 CodeSection* cs = __ code_section(); |
374 address pc = (address)_pc_start; | |
375 RelocIterator iter(cs, pc, pc + 1); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
376 relocInfo::change_reloc_info_for_address(&iter, (address) pc, reloc_type, relocInfo::none); |
0 | 377 |
378 pc = (address)(_pc_start + NativeMovConstReg::add_offset); | |
379 RelocIterator iter2(cs, pc, pc+1); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6615
diff
changeset
|
380 relocInfo::change_reloc_info_for_address(&iter2, (address) pc, reloc_type, relocInfo::none); |
0 | 381 } |
382 | |
383 } | |
384 | |
1295 | 385 |
386 void DeoptimizeStub::emit_code(LIR_Assembler* ce) { | |
387 __ bind(_entry); | |
4048
cec1757a0134
7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
twisti
parents:
3888
diff
changeset
|
388 __ call(Runtime1::entry_for(Runtime1::deoptimize_id), relocInfo::runtime_call_type); |
1295 | 389 __ delayed()->nop(); |
390 ce->add_call_info_here(_info); | |
4048
cec1757a0134
7102657: JSR 292: C1 deoptimizes unlinked invokedynamic call sites infinitely
twisti
parents:
3888
diff
changeset
|
391 DEBUG_ONLY(__ should_not_reach_here()); |
1295 | 392 } |
393 | |
394 | |
0 | 395 void ArrayCopyStub::emit_code(LIR_Assembler* ce) { |
396 //---------------slow case: call to native----------------- | |
397 __ bind(_entry); | |
398 __ mov(src()->as_register(), O0); | |
399 __ mov(src_pos()->as_register(), O1); | |
400 __ mov(dst()->as_register(), O2); | |
401 __ mov(dst_pos()->as_register(), O3); | |
402 __ mov(length()->as_register(), O4); | |
403 | |
404 ce->emit_static_call_stub(); | |
405 | |
406 __ call(SharedRuntime::get_resolve_static_call_stub(), relocInfo::static_call_type); | |
407 __ delayed()->nop(); | |
408 ce->add_call_info_here(info()); | |
409 ce->verify_oop_map(info()); | |
410 | |
411 #ifndef PRODUCT | |
412 __ set((intptr_t)&Runtime1::_arraycopy_slowcase_cnt, O0); | |
413 __ ld(O0, 0, O1); | |
414 __ inc(O1); | |
415 __ st(O1, 0, O0); | |
416 #endif | |
417 | |
418 __ br(Assembler::always, false, Assembler::pt, _continuation); | |
419 __ delayed()->nop(); | |
420 } | |
421 | |
422 | |
342 | 423 /////////////////////////////////////////////////////////////////////////////////// |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7430
diff
changeset
|
424 #if INCLUDE_ALL_GCS |
342 | 425 |
426 void G1PreBarrierStub::emit_code(LIR_Assembler* ce) { | |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2380
diff
changeset
|
427 // At this point we know that marking is in progress. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2380
diff
changeset
|
428 // If do_load() is true then we have to emit the |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2380
diff
changeset
|
429 // load of the previous value; otherwise it has already |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2380
diff
changeset
|
430 // been loaded into _pre_val. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2380
diff
changeset
|
431 |
342 | 432 __ bind(_entry); |
433 | |
434 assert(pre_val()->is_register(), "Precondition."); | |
435 Register pre_val_reg = pre_val()->as_register(); | |
436 | |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2380
diff
changeset
|
437 if (do_load()) { |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2380
diff
changeset
|
438 ce->mem2reg(addr(), pre_val(), T_OBJECT, patch_code(), info(), false /*wide*/, false /*unaligned*/); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2380
diff
changeset
|
439 } |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2380
diff
changeset
|
440 |
1848 | 441 if (__ is_in_wdisp16_range(_continuation)) { |
3888
4fe626cbf0bf
7066841: remove MacroAssembler::br_on_reg_cond() on sparc
johnc
parents:
3839
diff
changeset
|
442 __ br_null(pre_val_reg, /*annul*/false, Assembler::pt, _continuation); |
1848 | 443 } else { |
444 __ cmp(pre_val_reg, G0); | |
445 __ brx(Assembler::equal, false, Assembler::pn, _continuation); | |
446 } | |
342 | 447 __ delayed()->nop(); |
448 | |
449 __ call(Runtime1::entry_for(Runtime1::Runtime1::g1_pre_barrier_slow_id)); | |
450 __ delayed()->mov(pre_val_reg, G4); | |
451 __ br(Assembler::always, false, Assembler::pt, _continuation); | |
452 __ delayed()->nop(); | |
453 | |
454 } | |
455 | |
456 jbyte* G1PostBarrierStub::_byte_map_base = NULL; | |
457 | |
458 jbyte* G1PostBarrierStub::byte_map_base_slow() { | |
459 BarrierSet* bs = Universe::heap()->barrier_set(); | |
460 assert(bs->is_a(BarrierSet::G1SATBCTLogging), | |
461 "Must be if we're using this."); | |
462 return ((G1SATBCardTableModRefBS*)bs)->byte_map_base; | |
463 } | |
464 | |
465 void G1PostBarrierStub::emit_code(LIR_Assembler* ce) { | |
466 __ bind(_entry); | |
467 | |
468 assert(addr()->is_register(), "Precondition."); | |
469 assert(new_val()->is_register(), "Precondition."); | |
470 Register addr_reg = addr()->as_pointer_register(); | |
471 Register new_val_reg = new_val()->as_register(); | |
3888
4fe626cbf0bf
7066841: remove MacroAssembler::br_on_reg_cond() on sparc
johnc
parents:
3839
diff
changeset
|
472 |
1848 | 473 if (__ is_in_wdisp16_range(_continuation)) { |
3888
4fe626cbf0bf
7066841: remove MacroAssembler::br_on_reg_cond() on sparc
johnc
parents:
3839
diff
changeset
|
474 __ br_null(new_val_reg, /*annul*/false, Assembler::pt, _continuation); |
1848 | 475 } else { |
476 __ cmp(new_val_reg, G0); | |
477 __ brx(Assembler::equal, false, Assembler::pn, _continuation); | |
478 } | |
342 | 479 __ delayed()->nop(); |
480 | |
481 __ call(Runtime1::entry_for(Runtime1::Runtime1::g1_post_barrier_slow_id)); | |
482 __ delayed()->mov(addr_reg, G4); | |
483 __ br(Assembler::always, false, Assembler::pt, _continuation); | |
484 __ delayed()->nop(); | |
485 } | |
486 | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7430
diff
changeset
|
487 #endif // INCLUDE_ALL_GCS |
342 | 488 /////////////////////////////////////////////////////////////////////////////////// |
489 | |
0 | 490 #undef __ |