Mercurial > hg > truffle
annotate src/cpu/x86/vm/templateInterpreter_x86_64.cpp @ 11230:5c153c59ba62
fixed bug in java.util.zip.CRC32.updateBytes interpreter entry stub
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Tue, 06 Aug 2013 21:40:09 +0200 |
| parents | e28663a9f5ef |
| children | 84589a49d184 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
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26 #include "asm/macroAssembler.hpp" |
| 1972 | 27 #include "interpreter/bytecodeHistogram.hpp" |
| 28 #include "interpreter/interpreter.hpp" | |
| 29 #include "interpreter/interpreterGenerator.hpp" | |
| 30 #include "interpreter/interpreterRuntime.hpp" | |
| 31 #include "interpreter/templateTable.hpp" | |
| 32 #include "oops/arrayOop.hpp" | |
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33 #include "oops/methodData.hpp" |
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34 #include "oops/method.hpp" |
| 1972 | 35 #include "oops/oop.inline.hpp" |
| 36 #include "prims/jvmtiExport.hpp" | |
| 37 #include "prims/jvmtiThreadState.hpp" | |
| 38 #include "runtime/arguments.hpp" | |
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39 #include "runtime/compilationPolicy.hpp" |
| 1972 | 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" | |
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48 #include "utilities/macros.hpp" |
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49 #ifdef GRAAL |
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50 #include "graal/graalJavaAccess.hpp" |
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51 #endif |
| 0 | 52 |
| 53 #define __ _masm-> | |
| 54 | |
| 304 | 55 #ifndef CC_INTERP |
| 56 | |
| 0 | 57 const int method_offset = frame::interpreter_frame_method_offset * wordSize; |
| 58 const int bci_offset = frame::interpreter_frame_bcx_offset * wordSize; | |
| 59 const int locals_offset = frame::interpreter_frame_locals_offset * wordSize; | |
| 60 | |
| 61 //----------------------------------------------------------------------------- | |
| 62 | |
| 63 address TemplateInterpreterGenerator::generate_StackOverflowError_handler() { | |
| 64 address entry = __ pc(); | |
| 65 | |
| 66 #ifdef ASSERT | |
| 67 { | |
| 68 Label L; | |
| 304 | 69 __ lea(rax, Address(rbp, |
| 70 frame::interpreter_frame_monitor_block_top_offset * | |
| 71 wordSize)); | |
| 72 __ cmpptr(rax, rsp); // rax = maximal rsp for current rbp (stack | |
| 73 // grows negative) | |
| 0 | 74 __ jcc(Assembler::aboveEqual, L); // check if frame is complete |
| 75 __ stop ("interpreter frame not set up"); | |
| 76 __ bind(L); | |
| 77 } | |
| 78 #endif // ASSERT | |
| 79 // Restore bcp under the assumption that the current frame is still | |
| 80 // interpreted | |
| 81 __ restore_bcp(); | |
| 82 | |
| 83 // expression stack must be empty before entering the VM if an | |
| 84 // exception happened | |
| 85 __ empty_expression_stack(); | |
| 86 // throw exception | |
| 87 __ call_VM(noreg, | |
| 88 CAST_FROM_FN_PTR(address, | |
| 89 InterpreterRuntime::throw_StackOverflowError)); | |
| 90 return entry; | |
| 91 } | |
| 92 | |
| 93 address TemplateInterpreterGenerator::generate_ArrayIndexOutOfBounds_handler( | |
| 94 const char* name) { | |
| 95 address entry = __ pc(); | |
| 96 // expression stack must be empty before entering the VM if an | |
| 97 // exception happened | |
| 98 __ empty_expression_stack(); | |
| 99 // setup parameters | |
| 100 // ??? convention: expect aberrant index in register ebx | |
| 101 __ lea(c_rarg1, ExternalAddress((address)name)); | |
| 102 __ call_VM(noreg, | |
| 103 CAST_FROM_FN_PTR(address, | |
| 104 InterpreterRuntime:: | |
| 105 throw_ArrayIndexOutOfBoundsException), | |
| 106 c_rarg1, rbx); | |
| 107 return entry; | |
| 108 } | |
| 109 | |
| 110 address TemplateInterpreterGenerator::generate_ClassCastException_handler() { | |
| 111 address entry = __ pc(); | |
| 112 | |
| 113 // object is at TOS | |
| 304 | 114 __ pop(c_rarg1); |
| 0 | 115 |
| 116 // expression stack must be empty before entering the VM if an | |
| 117 // exception happened | |
| 118 __ empty_expression_stack(); | |
| 119 | |
| 120 __ call_VM(noreg, | |
| 121 CAST_FROM_FN_PTR(address, | |
| 122 InterpreterRuntime:: | |
| 123 throw_ClassCastException), | |
| 124 c_rarg1); | |
| 125 return entry; | |
| 126 } | |
| 127 | |
| 128 address TemplateInterpreterGenerator::generate_exception_handler_common( | |
| 129 const char* name, const char* message, bool pass_oop) { | |
| 130 assert(!pass_oop || message == NULL, "either oop or message but not both"); | |
| 131 address entry = __ pc(); | |
| 132 if (pass_oop) { | |
| 133 // object is at TOS | |
| 304 | 134 __ pop(c_rarg2); |
| 0 | 135 } |
| 136 // expression stack must be empty before entering the VM if an | |
| 137 // exception happened | |
| 138 __ empty_expression_stack(); | |
| 139 // setup parameters | |
| 140 __ lea(c_rarg1, ExternalAddress((address)name)); | |
| 141 if (pass_oop) { | |
| 142 __ call_VM(rax, CAST_FROM_FN_PTR(address, | |
| 143 InterpreterRuntime:: | |
| 144 create_klass_exception), | |
| 145 c_rarg1, c_rarg2); | |
| 146 } else { | |
| 147 // kind of lame ExternalAddress can't take NULL because | |
| 148 // external_word_Relocation will assert. | |
| 149 if (message != NULL) { | |
| 150 __ lea(c_rarg2, ExternalAddress((address)message)); | |
| 151 } else { | |
| 152 __ movptr(c_rarg2, NULL_WORD); | |
| 153 } | |
| 154 __ call_VM(rax, | |
| 155 CAST_FROM_FN_PTR(address, InterpreterRuntime::create_exception), | |
| 156 c_rarg1, c_rarg2); | |
| 157 } | |
| 158 // throw exception | |
| 159 __ jump(ExternalAddress(Interpreter::throw_exception_entry())); | |
| 160 return entry; | |
| 161 } | |
| 162 | |
| 163 | |
| 164 address TemplateInterpreterGenerator::generate_continuation_for(TosState state) { | |
| 165 address entry = __ pc(); | |
| 166 // NULL last_sp until next java call | |
| 304 | 167 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 168 __ dispatch_next(state); |
| 169 return entry; | |
| 170 } | |
| 171 | |
| 172 | |
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173 address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step) { |
| 0 | 174 address entry = __ pc(); |
| 175 | |
| 176 // Restore stack bottom in case i2c adjusted stack | |
| 304 | 177 __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
| 0 | 178 // and NULL it as marker that esp is now tos until next java call |
| 304 | 179 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 180 |
| 181 __ restore_bcp(); | |
| 182 __ restore_locals(); | |
| 304 | 183 |
| 1108 | 184 Label L_got_cache, L_giant_index; |
| 185 if (EnableInvokeDynamic) { | |
| 186 __ cmpb(Address(r13, 0), Bytecodes::_invokedynamic); | |
| 187 __ jcc(Assembler::equal, L_giant_index); | |
| 188 } | |
| 1565 | 189 __ get_cache_and_index_at_bcp(rbx, rcx, 1, sizeof(u2)); |
| 1108 | 190 __ bind(L_got_cache); |
| 0 | 191 __ movl(rbx, Address(rbx, rcx, |
| 1108 | 192 Address::times_ptr, |
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193 in_bytes(ConstantPoolCache::base_offset()) + |
| 0 | 194 3 * wordSize)); |
| 195 __ andl(rbx, 0xFF); | |
| 304 | 196 __ lea(rsp, Address(rsp, rbx, Address::times_8)); |
| 0 | 197 __ dispatch_next(state, step); |
| 1108 | 198 |
| 199 // out of the main line of code... | |
| 200 if (EnableInvokeDynamic) { | |
| 201 __ bind(L_giant_index); | |
| 1565 | 202 __ get_cache_and_index_at_bcp(rbx, rcx, 1, sizeof(u4)); |
| 1108 | 203 __ jmp(L_got_cache); |
| 204 } | |
| 205 | |
| 0 | 206 return entry; |
| 207 } | |
| 208 | |
| 209 | |
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210 address InterpreterGenerator::generate_deopt_entry_for(TosState state, |
| 0 | 211 int step) { |
| 212 address entry = __ pc(); | |
| 213 // NULL last_sp until next java call | |
| 304 | 214 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 215 __ restore_bcp(); |
| 216 __ restore_locals(); | |
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217 // Check if we need to take lock at entry of synchronized method. |
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218 { |
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219 Label L; |
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220 __ cmpb(Address(r15_thread, Thread::pending_monitorenter_offset()), 0); |
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221 __ jcc(Assembler::zero, L); |
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222 // Clear flag. |
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223 __ movb(Address(r15_thread, Thread::pending_monitorenter_offset()), 0); |
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224 // Satisfy calling convention for lock_method(). |
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225 __ get_method(rbx); |
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226 // Take lock. |
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227 lock_method(); |
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228 __ bind(L); |
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229 } |
| 0 | 230 // handle exceptions |
| 231 { | |
| 232 Label L; | |
| 304 | 233 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
| 0 | 234 __ jcc(Assembler::zero, L); |
| 235 __ call_VM(noreg, | |
| 236 CAST_FROM_FN_PTR(address, | |
| 237 InterpreterRuntime::throw_pending_exception)); | |
| 238 __ should_not_reach_here(); | |
| 239 __ bind(L); | |
| 240 } | |
| 241 __ dispatch_next(state, step); | |
| 242 return entry; | |
| 243 } | |
| 244 | |
| 245 int AbstractInterpreter::BasicType_as_index(BasicType type) { | |
| 246 int i = 0; | |
| 247 switch (type) { | |
| 248 case T_BOOLEAN: i = 0; break; | |
| 249 case T_CHAR : i = 1; break; | |
| 250 case T_BYTE : i = 2; break; | |
| 251 case T_SHORT : i = 3; break; | |
| 252 case T_INT : i = 4; break; | |
| 253 case T_LONG : i = 5; break; | |
| 254 case T_VOID : i = 6; break; | |
| 255 case T_FLOAT : i = 7; break; | |
| 256 case T_DOUBLE : i = 8; break; | |
| 257 case T_OBJECT : i = 9; break; | |
| 258 case T_ARRAY : i = 9; break; | |
| 259 default : ShouldNotReachHere(); | |
| 260 } | |
| 261 assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers, | |
| 262 "index out of bounds"); | |
| 263 return i; | |
| 264 } | |
| 265 | |
| 266 | |
| 267 address TemplateInterpreterGenerator::generate_result_handler_for( | |
| 268 BasicType type) { | |
| 269 address entry = __ pc(); | |
| 270 switch (type) { | |
| 271 case T_BOOLEAN: __ c2bool(rax); break; | |
| 272 case T_CHAR : __ movzwl(rax, rax); break; | |
| 273 case T_BYTE : __ sign_extend_byte(rax); break; | |
| 274 case T_SHORT : __ sign_extend_short(rax); break; | |
| 275 case T_INT : /* nothing to do */ break; | |
| 276 case T_LONG : /* nothing to do */ break; | |
| 277 case T_VOID : /* nothing to do */ break; | |
| 278 case T_FLOAT : /* nothing to do */ break; | |
| 279 case T_DOUBLE : /* nothing to do */ break; | |
| 280 case T_OBJECT : | |
| 281 // retrieve result from frame | |
| 304 | 282 __ movptr(rax, Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize)); |
| 0 | 283 // and verify it |
| 284 __ verify_oop(rax); | |
| 285 break; | |
| 286 default : ShouldNotReachHere(); | |
| 287 } | |
| 288 __ ret(0); // return from result handler | |
| 289 return entry; | |
| 290 } | |
| 291 | |
| 292 address TemplateInterpreterGenerator::generate_safept_entry_for( | |
| 293 TosState state, | |
| 294 address runtime_entry) { | |
| 295 address entry = __ pc(); | |
| 296 __ push(state); | |
| 297 __ call_VM(noreg, runtime_entry); | |
| 298 __ dispatch_via(vtos, Interpreter::_normal_table.table_for(vtos)); | |
| 299 return entry; | |
| 300 } | |
| 301 | |
| 302 | |
| 303 | |
| 304 // Helpers for commoning out cases in the various type of method entries. | |
| 305 // | |
| 306 | |
| 307 // increment invocation count & check for overflow | |
| 308 // | |
| 309 // Note: checking for negative value instead of overflow | |
| 310 // so we have a 'sticky' overflow test | |
| 311 // | |
| 312 // rbx: method | |
| 313 // ecx: invocation counter | |
| 314 // | |
| 315 void InterpreterGenerator::generate_counter_incr( | |
| 316 Label* overflow, | |
| 317 Label* profile_method, | |
| 318 Label* profile_method_continue) { | |
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319 Label done; |
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320 // Note: In tiered we increment either counters in Method* or in MDO depending if we're profiling or not. |
| 1783 | 321 if (TieredCompilation) { |
| 322 int increment = InvocationCounter::count_increment; | |
| 323 int mask = ((1 << Tier0InvokeNotifyFreqLog) - 1) << InvocationCounter::count_shift; | |
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324 Label no_mdo; |
| 1783 | 325 if (ProfileInterpreter) { |
| 326 // Are we profiling? | |
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327 __ movptr(rax, Address(rbx, Method::method_data_offset())); |
| 1783 | 328 __ testptr(rax, rax); |
| 329 __ jccb(Assembler::zero, no_mdo); | |
| 330 // Increment counter in the MDO | |
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331 const Address mdo_invocation_counter(rax, in_bytes(MethodData::invocation_counter_offset()) + |
| 1783 | 332 in_bytes(InvocationCounter::counter_offset())); |
| 333 __ increment_mask_and_jump(mdo_invocation_counter, increment, mask, rcx, false, Assembler::zero, overflow); | |
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334 __ jmp(done); |
| 1783 | 335 } |
| 336 __ bind(no_mdo); | |
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337 // Increment counter in MethodCounters |
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338 const Address invocation_counter(rax, |
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339 MethodCounters::invocation_counter_offset() + |
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340 InvocationCounter::counter_offset()); |
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341 __ get_method_counters(rbx, rax, done); |
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342 __ increment_mask_and_jump(invocation_counter, increment, mask, rcx, |
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343 false, Assembler::zero, overflow); |
| 1783 | 344 __ bind(done); |
| 345 } else { | |
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346 const Address backedge_counter(rax, |
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347 MethodCounters::backedge_counter_offset() + |
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348 InvocationCounter::counter_offset()); |
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349 const Address invocation_counter(rax, |
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350 MethodCounters::invocation_counter_offset() + |
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351 InvocationCounter::counter_offset()); |
| 0 | 352 |
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353 __ get_method_counters(rbx, rax, done); |
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354 |
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355 if (ProfileInterpreter) { |
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356 __ incrementl(Address(rax, |
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357 MethodCounters::interpreter_invocation_counter_offset())); |
| 1783 | 358 } |
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359 |
| 1783 | 360 // Update standard invocation counters |
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361 __ movl(rcx, invocation_counter); |
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362 __ incrementl(rcx, InvocationCounter::count_increment); |
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363 __ movl(invocation_counter, rcx); // save invocation count |
| 0 | 364 |
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365 __ movl(rax, backedge_counter); // load backedge counter |
| 1783 | 366 __ andl(rax, InvocationCounter::count_mask_value); // mask out the status bits |
| 0 | 367 |
| 1783 | 368 __ addl(rcx, rax); // add both counters |
| 0 | 369 |
| 1783 | 370 // profile_method is non-null only for interpreted method so |
| 371 // profile_method != NULL == !native_call | |
| 372 | |
| 373 if (ProfileInterpreter && profile_method != NULL) { | |
| 374 // Test to see if we should create a method data oop | |
| 375 __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterProfileLimit)); | |
| 376 __ jcc(Assembler::less, *profile_method_continue); | |
| 0 | 377 |
| 1783 | 378 // if no method data exists, go to profile_method |
| 379 __ test_method_data_pointer(rax, *profile_method); | |
| 380 } | |
| 381 | |
| 382 __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterInvocationLimit)); | |
| 383 __ jcc(Assembler::aboveEqual, *overflow); | |
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384 __ bind(done); |
| 0 | 385 } |
| 386 } | |
| 387 | |
| 388 void InterpreterGenerator::generate_counter_overflow(Label* do_continue) { | |
| 389 | |
| 390 // Asm interpreter on entry | |
| 391 // r14 - locals | |
| 392 // r13 - bcp | |
| 393 // rbx - method | |
| 394 // edx - cpool --- DOES NOT APPEAR TO BE TRUE | |
| 395 // rbp - interpreter frame | |
| 396 | |
| 397 // On return (i.e. jump to entry_point) [ back to invocation of interpreter ] | |
| 398 // Everything as it was on entry | |
| 399 // rdx is not restored. Doesn't appear to really be set. | |
| 400 | |
| 401 // InterpreterRuntime::frequency_counter_overflow takes two | |
| 402 // arguments, the first (thread) is passed by call_VM, the second | |
| 403 // indicates if the counter overflow occurs at a backwards branch | |
| 404 // (NULL bcp). We pass zero for it. The call returns the address | |
| 405 // of the verified entry point for the method or NULL if the | |
| 406 // compilation did not complete (either went background or bailed | |
| 407 // out). | |
| 408 __ movl(c_rarg1, 0); | |
| 409 __ call_VM(noreg, | |
| 410 CAST_FROM_FN_PTR(address, | |
| 411 InterpreterRuntime::frequency_counter_overflow), | |
| 412 c_rarg1); | |
| 413 | |
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414 __ movptr(rbx, Address(rbp, method_offset)); // restore Method* |
| 0 | 415 // Preserve invariant that r13/r14 contain bcp/locals of sender frame |
| 416 // and jump to the interpreted entry. | |
| 417 __ jmp(*do_continue, relocInfo::none); | |
| 418 } | |
| 419 | |
| 420 // See if we've got enough room on the stack for locals plus overhead. | |
| 421 // The expression stack grows down incrementally, so the normal guard | |
| 422 // page mechanism will work for that. | |
| 423 // | |
| 424 // NOTE: Since the additional locals are also always pushed (wasn't | |
| 425 // obvious in generate_method_entry) so the guard should work for them | |
| 426 // too. | |
| 427 // | |
| 428 // Args: | |
| 429 // rdx: number of additional locals this frame needs (what we must check) | |
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430 // rbx: Method* |
| 0 | 431 // |
| 432 // Kills: | |
| 433 // rax | |
| 434 void InterpreterGenerator::generate_stack_overflow_check(void) { | |
| 435 | |
| 436 // monitor entry size: see picture of stack set | |
| 437 // (generate_method_entry) and frame_amd64.hpp | |
| 438 const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; | |
| 439 | |
| 440 // total overhead size: entry_size + (saved rbp through expr stack | |
| 441 // bottom). be sure to change this if you add/subtract anything | |
| 442 // to/from the overhead area | |
| 443 const int overhead_size = | |
| 444 -(frame::interpreter_frame_initial_sp_offset * wordSize) + entry_size; | |
| 445 | |
| 446 const int page_size = os::vm_page_size(); | |
| 447 | |
| 448 Label after_frame_check; | |
| 449 | |
| 450 // see if the frame is greater than one page in size. If so, | |
| 451 // then we need to verify there is enough stack space remaining | |
| 452 // for the additional locals. | |
| 1506 | 453 __ cmpl(rdx, (page_size - overhead_size) / Interpreter::stackElementSize); |
| 0 | 454 __ jcc(Assembler::belowEqual, after_frame_check); |
| 455 | |
| 456 // compute rsp as if this were going to be the last frame on | |
| 457 // the stack before the red zone | |
| 458 | |
| 459 const Address stack_base(r15_thread, Thread::stack_base_offset()); | |
| 460 const Address stack_size(r15_thread, Thread::stack_size_offset()); | |
| 461 | |
| 462 // locals + overhead, in bytes | |
| 304 | 463 __ mov(rax, rdx); |
| 1506 | 464 __ shlptr(rax, Interpreter::logStackElementSize); // 2 slots per parameter. |
| 304 | 465 __ addptr(rax, overhead_size); |
| 0 | 466 |
| 467 #ifdef ASSERT | |
| 468 Label stack_base_okay, stack_size_okay; | |
| 469 // verify that thread stack base is non-zero | |
| 304 | 470 __ cmpptr(stack_base, (int32_t)NULL_WORD); |
| 0 | 471 __ jcc(Assembler::notEqual, stack_base_okay); |
| 472 __ stop("stack base is zero"); | |
| 473 __ bind(stack_base_okay); | |
| 474 // verify that thread stack size is non-zero | |
| 304 | 475 __ cmpptr(stack_size, 0); |
| 0 | 476 __ jcc(Assembler::notEqual, stack_size_okay); |
| 477 __ stop("stack size is zero"); | |
| 478 __ bind(stack_size_okay); | |
| 479 #endif | |
| 480 | |
| 481 // Add stack base to locals and subtract stack size | |
| 304 | 482 __ addptr(rax, stack_base); |
| 483 __ subptr(rax, stack_size); | |
| 0 | 484 |
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485 // Use the maximum number of pages we might bang. |
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486 const int max_pages = StackShadowPages > (StackRedPages+StackYellowPages) ? StackShadowPages : |
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487 (StackRedPages+StackYellowPages); |
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488 |
| 0 | 489 // add in the red and yellow zone sizes |
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490 __ addptr(rax, max_pages * page_size); |
| 0 | 491 |
| 492 // check against the current stack bottom | |
| 304 | 493 __ cmpptr(rsp, rax); |
| 0 | 494 __ jcc(Assembler::above, after_frame_check); |
| 495 | |
| 4743 | 496 // Restore sender's sp as SP. This is necessary if the sender's |
| 497 // frame is an extended compiled frame (see gen_c2i_adapter()) | |
| 498 // and safer anyway in case of JSR292 adaptations. | |
| 499 | |
| 500 __ pop(rax); // return address must be moved if SP is changed | |
| 501 __ mov(rsp, r13); | |
| 502 __ push(rax); | |
| 503 | |
| 504 // Note: the restored frame is not necessarily interpreted. | |
| 505 // Use the shared runtime version of the StackOverflowError. | |
| 506 assert(StubRoutines::throw_StackOverflowError_entry() != NULL, "stub not yet generated"); | |
| 507 __ jump(ExternalAddress(StubRoutines::throw_StackOverflowError_entry())); | |
| 0 | 508 |
| 509 // all done with frame size check | |
| 510 __ bind(after_frame_check); | |
| 511 } | |
| 512 | |
| 513 // Allocate monitor and lock method (asm interpreter) | |
| 514 // | |
| 515 // Args: | |
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516 // rbx: Method* |
| 0 | 517 // r14: locals |
| 518 // | |
| 519 // Kills: | |
| 520 // rax | |
| 521 // c_rarg0, c_rarg1, c_rarg2, c_rarg3, ...(param regs) | |
| 522 // rscratch1, rscratch2 (scratch regs) | |
| 523 void InterpreterGenerator::lock_method(void) { | |
| 524 // synchronize method | |
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525 const Address access_flags(rbx, Method::access_flags_offset()); |
| 0 | 526 const Address monitor_block_top( |
| 527 rbp, | |
| 528 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
| 529 const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; | |
| 530 | |
| 531 #ifdef ASSERT | |
| 532 { | |
| 533 Label L; | |
| 534 __ movl(rax, access_flags); | |
| 535 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
| 536 __ jcc(Assembler::notZero, L); | |
| 537 __ stop("method doesn't need synchronization"); | |
| 538 __ bind(L); | |
| 539 } | |
| 540 #endif // ASSERT | |
| 541 | |
| 542 // get synchronization object | |
| 543 { | |
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544 const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
| 0 | 545 Label done; |
| 546 __ movl(rax, access_flags); | |
| 547 __ testl(rax, JVM_ACC_STATIC); | |
| 548 // get receiver (assume this is frequent case) | |
| 304 | 549 __ movptr(rax, Address(r14, Interpreter::local_offset_in_bytes(0))); |
| 0 | 550 __ jcc(Assembler::zero, done); |
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551 __ movptr(rax, Address(rbx, Method::const_offset())); |
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552 __ movptr(rax, Address(rax, ConstMethod::constants_offset())); |
| 304 | 553 __ movptr(rax, Address(rax, |
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554 ConstantPool::pool_holder_offset_in_bytes())); |
| 304 | 555 __ movptr(rax, Address(rax, mirror_offset)); |
| 0 | 556 |
| 557 #ifdef ASSERT | |
| 558 { | |
| 559 Label L; | |
| 304 | 560 __ testptr(rax, rax); |
| 0 | 561 __ jcc(Assembler::notZero, L); |
| 562 __ stop("synchronization object is NULL"); | |
| 563 __ bind(L); | |
| 564 } | |
| 565 #endif // ASSERT | |
| 566 | |
| 567 __ bind(done); | |
| 568 } | |
| 569 | |
| 570 // add space for monitor & lock | |
| 304 | 571 __ subptr(rsp, entry_size); // add space for a monitor entry |
| 572 __ movptr(monitor_block_top, rsp); // set new monitor block top | |
| 0 | 573 // store object |
| 304 | 574 __ movptr(Address(rsp, BasicObjectLock::obj_offset_in_bytes()), rax); |
| 575 __ movptr(c_rarg1, rsp); // object address | |
| 0 | 576 __ lock_object(c_rarg1); |
| 577 } | |
| 578 | |
| 579 // Generate a fixed interpreter frame. This is identical setup for | |
| 580 // interpreted methods and for native methods hence the shared code. | |
| 581 // | |
| 582 // Args: | |
| 583 // rax: return address | |
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584 // rbx: Method* |
| 0 | 585 // r14: pointer to locals |
| 586 // r13: sender sp | |
| 587 // rdx: cp cache | |
| 588 void TemplateInterpreterGenerator::generate_fixed_frame(bool native_call) { | |
| 589 // initialize fixed part of activation frame | |
| 304 | 590 __ push(rax); // save return address |
| 0 | 591 __ enter(); // save old & set new rbp |
| 304 | 592 __ push(r13); // set sender sp |
| 593 __ push((int)NULL_WORD); // leave last_sp as null | |
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594 __ movptr(r13, Address(rbx, Method::const_offset())); // get ConstMethod* |
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595 __ lea(r13, Address(r13, ConstMethod::codes_offset())); // get codebase |
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596 __ push(rbx); // save Method* |
| 0 | 597 if (ProfileInterpreter) { |
| 598 Label method_data_continue; | |
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599 __ movptr(rdx, Address(rbx, in_bytes(Method::method_data_offset()))); |
| 304 | 600 __ testptr(rdx, rdx); |
| 0 | 601 __ jcc(Assembler::zero, method_data_continue); |
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602 __ addptr(rdx, in_bytes(MethodData::data_offset())); |
| 0 | 603 __ bind(method_data_continue); |
| 304 | 604 __ push(rdx); // set the mdp (method data pointer) |
| 0 | 605 } else { |
| 304 | 606 __ push(0); |
| 0 | 607 } |
| 608 | |
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609 __ movptr(rdx, Address(rbx, Method::const_offset())); |
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610 __ movptr(rdx, Address(rdx, ConstMethod::constants_offset())); |
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611 __ movptr(rdx, Address(rdx, ConstantPool::cache_offset_in_bytes())); |
| 304 | 612 __ push(rdx); // set constant pool cache |
| 613 __ push(r14); // set locals pointer | |
| 0 | 614 if (native_call) { |
| 304 | 615 __ push(0); // no bcp |
| 0 | 616 } else { |
| 304 | 617 __ push(r13); // set bcp |
| 0 | 618 } |
| 304 | 619 __ push(0); // reserve word for pointer to expression stack bottom |
| 620 __ movptr(Address(rsp, 0), rsp); // set expression stack bottom | |
| 0 | 621 } |
| 622 | |
| 623 // End of helpers | |
| 624 | |
| 304 | 625 // Various method entries |
| 626 //------------------------------------------------------------------------------------------------------------------------ | |
| 627 // | |
| 628 // | |
| 629 | |
| 630 // Call an accessor method (assuming it is resolved, otherwise drop | |
| 631 // into vanilla (slow path) entry | |
| 632 address InterpreterGenerator::generate_accessor_entry(void) { | |
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633 // rbx: Method* |
| 304 | 634 |
| 635 // r13: senderSP must preserver for slow path, set SP to it on fast path | |
| 636 | |
| 637 address entry_point = __ pc(); | |
| 638 Label xreturn_path; | |
| 639 | |
| 640 // do fastpath for resolved accessor methods | |
| 641 if (UseFastAccessorMethods) { | |
| 642 // Code: _aload_0, _(i|a)getfield, _(i|a)return or any rewrites | |
| 643 // thereof; parameter size = 1 | |
| 644 // Note: We can only use this code if the getfield has been resolved | |
| 645 // and if we don't have a null-pointer exception => check for | |
| 646 // these conditions first and use slow path if necessary. | |
| 647 Label slow_path; | |
| 648 // If we need a safepoint check, generate full interpreter entry. | |
| 649 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), | |
| 650 SafepointSynchronize::_not_synchronized); | |
| 651 | |
| 652 __ jcc(Assembler::notEqual, slow_path); | |
| 653 // rbx: method | |
| 654 __ movptr(rax, Address(rsp, wordSize)); | |
| 655 | |
| 656 // check if local 0 != NULL and read field | |
| 657 __ testptr(rax, rax); | |
| 658 __ jcc(Assembler::zero, slow_path); | |
| 659 | |
| 660 // read first instruction word and extract bytecode @ 1 and index @ 2 | |
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661 __ movptr(rdx, Address(rbx, Method::const_offset())); |
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662 __ movptr(rdi, Address(rdx, ConstMethod::constants_offset())); |
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663 __ movl(rdx, Address(rdx, ConstMethod::codes_offset())); |
| 304 | 664 // Shift codes right to get the index on the right. |
| 665 // The bytecode fetched looks like <index><0xb4><0x2a> | |
| 666 __ shrl(rdx, 2 * BitsPerByte); | |
| 667 __ shll(rdx, exact_log2(in_words(ConstantPoolCacheEntry::size()))); | |
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668 __ movptr(rdi, Address(rdi, ConstantPool::cache_offset_in_bytes())); |
| 304 | 669 |
| 670 // rax: local 0 | |
| 671 // rbx: method | |
| 672 // rdx: constant pool cache index | |
| 673 // rdi: constant pool cache | |
| 674 | |
| 675 // check if getfield has been resolved and read constant pool cache entry | |
| 676 // check the validity of the cache entry by testing whether _indices field | |
| 677 // contains Bytecode::_getfield in b1 byte. | |
| 678 assert(in_words(ConstantPoolCacheEntry::size()) == 4, | |
| 679 "adjust shift below"); | |
| 680 __ movl(rcx, | |
| 681 Address(rdi, | |
| 682 rdx, | |
| 683 Address::times_8, | |
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684 ConstantPoolCache::base_offset() + |
| 304 | 685 ConstantPoolCacheEntry::indices_offset())); |
| 686 __ shrl(rcx, 2 * BitsPerByte); | |
| 687 __ andl(rcx, 0xFF); | |
| 688 __ cmpl(rcx, Bytecodes::_getfield); | |
| 689 __ jcc(Assembler::notEqual, slow_path); | |
| 690 | |
| 691 // Note: constant pool entry is not valid before bytecode is resolved | |
| 692 __ movptr(rcx, | |
| 693 Address(rdi, | |
| 694 rdx, | |
| 695 Address::times_8, | |
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696 ConstantPoolCache::base_offset() + |
| 304 | 697 ConstantPoolCacheEntry::f2_offset())); |
| 698 // edx: flags | |
| 699 __ movl(rdx, | |
| 700 Address(rdi, | |
| 701 rdx, | |
| 702 Address::times_8, | |
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703 ConstantPoolCache::base_offset() + |
| 304 | 704 ConstantPoolCacheEntry::flags_offset())); |
| 705 | |
| 706 Label notObj, notInt, notByte, notShort; | |
| 707 const Address field_address(rax, rcx, Address::times_1); | |
| 708 | |
| 709 // Need to differentiate between igetfield, agetfield, bgetfield etc. | |
| 710 // because they are different sizes. | |
| 711 // Use the type from the constant pool cache | |
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712 __ shrl(rdx, ConstantPoolCacheEntry::tos_state_shift); |
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713 // Make sure we don't need to mask edx after the above shift |
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714 ConstantPoolCacheEntry::verify_tos_state_shift(); |
| 304 | 715 |
| 716 __ cmpl(rdx, atos); | |
| 717 __ jcc(Assembler::notEqual, notObj); | |
| 718 // atos | |
| 719 __ load_heap_oop(rax, field_address); | |
| 720 __ jmp(xreturn_path); | |
| 721 | |
| 722 __ bind(notObj); | |
| 723 __ cmpl(rdx, itos); | |
| 724 __ jcc(Assembler::notEqual, notInt); | |
| 725 // itos | |
| 726 __ movl(rax, field_address); | |
| 727 __ jmp(xreturn_path); | |
| 728 | |
| 729 __ bind(notInt); | |
| 730 __ cmpl(rdx, btos); | |
| 731 __ jcc(Assembler::notEqual, notByte); | |
| 732 // btos | |
| 733 __ load_signed_byte(rax, field_address); | |
| 734 __ jmp(xreturn_path); | |
| 735 | |
| 736 __ bind(notByte); | |
| 737 __ cmpl(rdx, stos); | |
| 738 __ jcc(Assembler::notEqual, notShort); | |
| 739 // stos | |
|
622
56aae7be60d4
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
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diff
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|
740 __ load_signed_short(rax, field_address); |
| 304 | 741 __ jmp(xreturn_path); |
| 742 | |
| 743 __ bind(notShort); | |
| 744 #ifdef ASSERT | |
| 745 Label okay; | |
| 746 __ cmpl(rdx, ctos); | |
| 747 __ jcc(Assembler::equal, okay); | |
| 748 __ stop("what type is this?"); | |
| 749 __ bind(okay); | |
| 750 #endif | |
| 751 // ctos | |
|
622
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6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
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605
diff
changeset
|
752 __ load_unsigned_short(rax, field_address); |
| 304 | 753 |
| 754 __ bind(xreturn_path); | |
| 755 | |
| 756 // _ireturn/_areturn | |
| 757 __ pop(rdi); | |
| 758 __ mov(rsp, r13); | |
| 759 __ jmp(rdi); | |
| 760 __ ret(0); | |
| 761 | |
| 762 // generate a vanilla interpreter entry as the slow path | |
| 763 __ bind(slow_path); | |
| 764 (void) generate_normal_entry(false); | |
| 765 } else { | |
| 766 (void) generate_normal_entry(false); | |
| 767 } | |
| 768 | |
| 769 return entry_point; | |
| 770 } | |
| 771 | |
|
3249
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
772 // Method entry for java.lang.ref.Reference.get. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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2245
diff
changeset
|
773 address InterpreterGenerator::generate_Reference_get_entry(void) { |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7402
diff
changeset
|
774 #if INCLUDE_ALL_GCS |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
775 // Code: _aload_0, _getfield, _areturn |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
776 // parameter size = 1 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
777 // |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
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|
778 // The code that gets generated by this routine is split into 2 parts: |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
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|
779 // 1. The "intrinsified" code for G1 (or any SATB based GC), |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
780 // 2. The slow path - which is an expansion of the regular method entry. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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|
781 // |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
782 // Notes:- |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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diff
changeset
|
783 // * In the G1 code we do not check whether we need to block for |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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diff
changeset
|
784 // a safepoint. If G1 is enabled then we must execute the specialized |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
785 // code for Reference.get (except when the Reference object is null) |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
786 // so that we can log the value in the referent field with an SATB |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
787 // update buffer. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
788 // If the code for the getfield template is modified so that the |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
789 // G1 pre-barrier code is executed when the current method is |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
790 // Reference.get() then going through the normal method entry |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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|
791 // will be fine. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
792 // * The G1 code can, however, check the receiver object (the instance |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
793 // of java.lang.Reference) and jump to the slow path if null. If the |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
794 // Reference object is null then we obviously cannot fetch the referent |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
795 // and so we don't need to call the G1 pre-barrier. Thus we can use the |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
796 // regular method entry code to generate the NPE. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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|
797 // |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
798 // This code is based on generate_accessor_enty. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
799 // |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
800 // rbx: Method* |
|
3249
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
801 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
802 // r13: senderSP must preserve for slow path, set SP to it on fast path |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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diff
changeset
|
803 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
804 address entry = __ pc(); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
805 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
806 const int referent_offset = java_lang_ref_Reference::referent_offset; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
807 guarantee(referent_offset > 0, "referent offset not initialized"); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
808 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
809 if (UseG1GC) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
810 Label slow_path; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
811 // rbx: method |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
812 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
813 // Check if local 0 != NULL |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
814 // If the receiver is null then it is OK to jump to the slow path. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
815 __ movptr(rax, Address(rsp, wordSize)); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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|
816 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
817 __ testptr(rax, rax); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
818 __ jcc(Assembler::zero, slow_path); |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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|
819 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
820 // rax: local 0 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
821 // rbx: method (but can be used as scratch now) |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
822 // rdx: scratch |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
823 // rdi: scratch |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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|
824 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
825 // Generate the G1 pre-barrier code to log the value of |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
826 // the referent field in an SATB buffer. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
827 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
828 // Load the value of the referent field. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
829 const Address field_address(rax, referent_offset); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
830 __ load_heap_oop(rax, field_address); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
831 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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|
832 // Generate the G1 pre-barrier code to log the value of |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
833 // the referent field in an SATB buffer. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
834 __ g1_write_barrier_pre(noreg /* obj */, |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
835 rax /* pre_val */, |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
836 r15_thread /* thread */, |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
837 rbx /* tmp */, |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
838 true /* tosca_live */, |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
839 true /* expand_call */); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
840 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
841 // _areturn |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
842 __ pop(rdi); // get return address |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
843 __ mov(rsp, r13); // set sp to sender sp |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
844 __ jmp(rdi); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
845 __ ret(0); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
846 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
847 // generate a vanilla interpreter entry as the slow path |
|
e1162778c1c8
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changeset
|
848 __ bind(slow_path); |
|
e1162778c1c8
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johnc
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|
849 (void) generate_normal_entry(false); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
850 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
851 return entry; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
852 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
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7402
diff
changeset
|
853 #endif // INCLUDE_ALL_GCS |
|
3249
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johnc
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changeset
|
854 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
855 // If G1 is not enabled then attempt to go through the accessor entry point |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
856 // Reference.get is an accessor |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
857 return generate_accessor_entry(); |
|
e1162778c1c8
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johnc
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|
858 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
859 |
|
9046
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
860 #ifdef GRAAL |
|
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
861 |
|
9025
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
862 // Interpreter stub for calling a compiled method with 3 object arguments |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
changeset
|
863 address InterpreterGenerator::generate_execute_compiled_method_entry() { |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
changeset
|
864 address entry_point = __ pc(); |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
changeset
|
865 |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
changeset
|
866 // Pick up the return address |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
changeset
|
867 __ movptr(rax, Address(rsp, 0)); |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
changeset
|
868 |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
869 // Must preserve original SP for loading incoming arguments because |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
870 // we need to align the outgoing SP for compiled code. |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
871 __ movptr(r11, rsp); |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
872 |
|
9046
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
873 // Move first object argument from interpreter calling convention to compiled |
|
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
874 // code calling convention. |
|
10475
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
875 __ movq(j_rarg0, Address(r11, Interpreter::stackElementSize*4)); |
|
9046
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
876 |
|
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
877 // Move second object argument. |
|
10475
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
878 __ movq(j_rarg1, Address(r11, Interpreter::stackElementSize*3)); |
|
9046
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
879 |
|
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
880 // Move third object argument. |
|
10475
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
881 __ movq(j_rarg2, Address(r11, Interpreter::stackElementSize*2)); |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
882 |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
883 // Load the raw pointer to the HotSpotInstalledCode object. |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
884 __ movq(j_rarg3, Address(r11, Interpreter::stackElementSize)); |
|
9046
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
885 |
|
10475
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
886 // Load the nmethod pointer from the HotSpotInstalledCode object |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
887 __ movq(j_rarg3, Address(j_rarg3, sizeof(oopDesc))); |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
888 |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
889 // Check whether the nmethod was invalidated |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
890 __ testq(j_rarg3, j_rarg3); |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
891 Label invalid_nmethod; |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
892 __ jcc(Assembler::zero, invalid_nmethod); |
|
9046
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
893 |
|
10534
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
894 // Ensure compiled code always sees stack at proper alignment |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
895 __ andptr(rsp, -16); |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
896 |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
897 // push the return address and misalign the stack that youngest frame always sees |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
898 // as far as the placement of the call instruction |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
899 __ push(rax); |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
900 |
|
9046
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
901 // Perform a tail call to the verified entry point of the nmethod. |
|
9025
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
902 __ jmp(Address(j_rarg3, nmethod::verified_entry_point_offset())); |
|
9046
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
903 |
|
10475
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
904 __ bind(invalid_nmethod); |
|
10479
40b8c383bc31
Throw InvalidInstalledCodeException directly in the stubs.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10475
diff
changeset
|
905 |
|
10534
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
906 // pop return address, reset last_sp to NULL |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
907 __ empty_expression_stack(); |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
908 __ restore_bcp(); // rsi must be correct for exception handler (was destroyed) |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
909 __ restore_locals(); // make sure locals pointer is correct as well (was destroyed) |
|
10479
40b8c383bc31
Throw InvalidInstalledCodeException directly in the stubs.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10475
diff
changeset
|
910 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_InvalidInstalledCodeException)); |
|
40b8c383bc31
Throw InvalidInstalledCodeException directly in the stubs.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10475
diff
changeset
|
911 // the call_VM checks for exception, so we should never return here. |
|
40b8c383bc31
Throw InvalidInstalledCodeException directly in the stubs.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10475
diff
changeset
|
912 __ should_not_reach_here(); |
|
10475
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
913 |
|
9025
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
914 return entry_point; |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
915 } |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
916 |
|
9046
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
917 #endif |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
918 |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
919 /** |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
920 * Method entry for static native methods: |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
921 * int java.util.zip.CRC32.update(int crc, int b) |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
922 */ |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
923 address InterpreterGenerator::generate_CRC32_update_entry() { |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
924 if (UseCRC32Intrinsics) { |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
925 address entry = __ pc(); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
926 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
927 // rbx,: Method* |
|
11228
e28663a9f5ef
fixed bug in java.util.zip.CRC32.update(int b) interpreter entry stub and re-enabled CRC32 intrinsics
Doug Simon <doug.simon@oracle.com>
parents:
11173
diff
changeset
|
928 // r13: senderSP must preserved for slow path, set SP to it on fast path |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
929 // rdx: scratch |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
930 // rdi: scratch |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
931 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
932 Label slow_path; |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
933 // If we need a safepoint check, generate full interpreter entry. |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
934 ExternalAddress state(SafepointSynchronize::address_of_state()); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
935 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
936 SafepointSynchronize::_not_synchronized); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
937 __ jcc(Assembler::notEqual, slow_path); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
938 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
939 // We don't generate local frame and don't align stack because |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
940 // we call stub code and there is no safepoint on this path. |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
941 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
942 // Load parameters |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
943 const Register crc = rax; // crc |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
944 const Register val = rdx; // source java byte value |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
945 const Register tbl = rdi; // scratch |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
946 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
947 // Arguments are reversed on java expression stack |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
948 __ movl(val, Address(rsp, wordSize)); // byte value |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
949 __ movl(crc, Address(rsp, 2*wordSize)); // Initial CRC |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
950 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
951 __ lea(tbl, ExternalAddress(StubRoutines::crc_table_addr())); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
952 __ notl(crc); // ~crc |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
953 __ update_byte_crc32(crc, val, tbl); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
954 __ notl(crc); // ~crc |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
955 // result in rax |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
956 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
957 // _areturn |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
958 __ pop(rdi); // get return address |
|
11228
e28663a9f5ef
fixed bug in java.util.zip.CRC32.update(int b) interpreter entry stub and re-enabled CRC32 intrinsics
Doug Simon <doug.simon@oracle.com>
parents:
11173
diff
changeset
|
959 __ mov(rsp, r13); // set sp to sender sp |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
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diff
changeset
|
960 __ jmp(rdi); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
961 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
962 // generate a vanilla native entry as the slow path |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
963 __ bind(slow_path); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
964 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
965 (void) generate_native_entry(false); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
966 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
967 return entry; |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
968 } |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
969 return generate_native_entry(false); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
970 } |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
971 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
972 /** |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
973 * Method entry for static native methods: |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
974 * int java.util.zip.CRC32.updateBytes(int crc, byte[] b, int off, int len) |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
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|
975 * int java.util.zip.CRC32.updateByteBuffer(int crc, long buf, int off, int len) |
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976 */ |
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977 address InterpreterGenerator::generate_CRC32_updateBytes_entry(AbstractInterpreter::MethodKind kind) { |
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978 if (UseCRC32Intrinsics) { |
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979 address entry = __ pc(); |
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980 |
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981 // rbx,: Method* |
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982 // r13: senderSP must preserved for slow path, set SP to it on fast path |
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983 |
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984 Label slow_path; |
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985 // If we need a safepoint check, generate full interpreter entry. |
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986 ExternalAddress state(SafepointSynchronize::address_of_state()); |
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987 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
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988 SafepointSynchronize::_not_synchronized); |
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989 __ jcc(Assembler::notEqual, slow_path); |
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990 |
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991 // We don't generate local frame and don't align stack because |
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992 // we call stub code and there is no safepoint on this path. |
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993 |
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994 // Load parameters |
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995 const Register crc = c_rarg0; // crc |
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996 const Register buf = c_rarg1; // source java byte array address |
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997 const Register len = c_rarg2; // length |
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998 const Register off = len; // offset (never overlaps with 'len') |
|
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999 |
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1000 // Arguments are reversed on java expression stack |
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1001 // Calculate address of start element |
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1002 if (kind == Interpreter::java_util_zip_CRC32_updateByteBuffer) { |
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1003 __ movptr(buf, Address(rsp, 3*wordSize)); // long buf |
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1004 __ movl(len, Address(rsp, 2*wordSize)); // offset |
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1005 __ addq(buf, len); // + offset |
|
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1006 __ movl(crc, Address(rsp, 5*wordSize)); // Initial CRC |
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1007 } else { |
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1008 __ movptr(buf, Address(rsp, 3*wordSize)); // byte[] array |
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1009 __ addptr(buf, arrayOopDesc::base_offset_in_bytes(T_BYTE)); // + header size |
|
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1010 __ movl(len, Address(rsp, 2*wordSize)); // offset |
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1011 __ addq(buf, len); // + offset |
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1012 __ movl(crc, Address(rsp, 4*wordSize)); // Initial CRC |
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1013 } |
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1014 // Can now load 'len' since we're finished with 'off' |
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1015 __ movl(len, Address(rsp, wordSize)); // Length |
|
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1016 |
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1017 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, StubRoutines::updateBytesCRC32()), crc, buf, len); |
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1018 // result in rax |
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1019 |
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1020 // _areturn |
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1021 __ pop(rdi); // get return address |
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1022 __ mov(rsp, r13); // set sp to sender sp |
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1023 __ jmp(rdi); |
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1024 |
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1025 // generate a vanilla native entry as the slow path |
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1026 __ bind(slow_path); |
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1027 |
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1028 (void) generate_native_entry(false); |
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1029 |
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1030 return entry; |
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1031 } |
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1032 return generate_native_entry(false); |
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1033 } |
| 0 | 1034 // Interpreter stub for calling a native method. (asm interpreter) |
| 1035 // This sets up a somewhat different looking stack for calling the | |
| 1036 // native method than the typical interpreter frame setup. | |
| 1037 address InterpreterGenerator::generate_native_entry(bool synchronized) { | |
| 1038 // determine code generation flags | |
| 1039 bool inc_counter = UseCompiler || CountCompiledCalls; | |
| 1040 | |
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1041 // rbx: Method* |
| 0 | 1042 // r13: sender sp |
| 1043 | |
| 1044 address entry_point = __ pc(); | |
| 1045 | |
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1046 const Address constMethod (rbx, Method::const_offset()); |
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1047 const Address access_flags (rbx, Method::access_flags_offset()); |
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1048 const Address size_of_parameters(rcx, ConstMethod:: |
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1049 size_of_parameters_offset()); |
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1050 |
| 0 | 1051 |
| 1052 // get parameter size (always needed) | |
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1053 __ movptr(rcx, constMethod); |
|
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1054 __ load_unsigned_short(rcx, size_of_parameters); |
| 0 | 1055 |
| 1056 // native calls don't need the stack size check since they have no | |
| 1057 // expression stack and the arguments are already on the stack and | |
| 1058 // we only add a handful of words to the stack | |
| 1059 | |
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1060 // rbx: Method* |
| 0 | 1061 // rcx: size of parameters |
| 1062 // r13: sender sp | |
| 304 | 1063 __ pop(rax); // get return address |
| 0 | 1064 |
| 1065 // for natives the size of locals is zero | |
| 1066 | |
| 1067 // compute beginning of parameters (r14) | |
| 304 | 1068 __ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize)); |
| 0 | 1069 |
| 1070 // add 2 zero-initialized slots for native calls | |
| 1071 // initialize result_handler slot | |
| 304 | 1072 __ push((int) NULL_WORD); |
| 0 | 1073 // slot for oop temp |
| 1074 // (static native method holder mirror/jni oop result) | |
| 304 | 1075 __ push((int) NULL_WORD); |
| 0 | 1076 |
| 1077 // initialize fixed part of activation frame | |
| 1078 generate_fixed_frame(true); | |
| 1079 | |
| 1080 // make sure method is native & not abstract | |
| 1081 #ifdef ASSERT | |
| 1082 __ movl(rax, access_flags); | |
| 1083 { | |
| 1084 Label L; | |
| 1085 __ testl(rax, JVM_ACC_NATIVE); | |
| 1086 __ jcc(Assembler::notZero, L); | |
| 1087 __ stop("tried to execute non-native method as native"); | |
| 1088 __ bind(L); | |
| 1089 } | |
| 1090 { | |
| 1091 Label L; | |
| 1092 __ testl(rax, JVM_ACC_ABSTRACT); | |
| 1093 __ jcc(Assembler::zero, L); | |
| 1094 __ stop("tried to execute abstract method in interpreter"); | |
| 1095 __ bind(L); | |
| 1096 } | |
| 1097 #endif | |
| 1098 | |
| 1099 // Since at this point in the method invocation the exception handler | |
| 1100 // would try to exit the monitor of synchronized methods which hasn't | |
| 1101 // been entered yet, we set the thread local variable | |
| 1102 // _do_not_unlock_if_synchronized to true. The remove_activation will | |
| 1103 // check this flag. | |
| 1104 | |
| 1105 const Address do_not_unlock_if_synchronized(r15_thread, | |
| 1106 in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); | |
| 1107 __ movbool(do_not_unlock_if_synchronized, true); | |
| 1108 | |
| 1109 // increment invocation count & check for overflow | |
| 1110 Label invocation_counter_overflow; | |
| 1111 if (inc_counter) { | |
| 1112 generate_counter_incr(&invocation_counter_overflow, NULL, NULL); | |
| 1113 } | |
| 1114 | |
| 1115 Label continue_after_compile; | |
| 1116 __ bind(continue_after_compile); | |
| 1117 | |
| 1118 bang_stack_shadow_pages(true); | |
| 1119 | |
| 1120 // reset the _do_not_unlock_if_synchronized flag | |
| 1121 __ movbool(do_not_unlock_if_synchronized, false); | |
| 1122 | |
| 1123 // check for synchronized methods | |
| 1124 // Must happen AFTER invocation_counter check and stack overflow check, | |
| 1125 // so method is not locked if overflows. | |
| 1126 if (synchronized) { | |
| 1127 lock_method(); | |
| 1128 } else { | |
| 1129 // no synchronization necessary | |
| 1130 #ifdef ASSERT | |
| 1131 { | |
| 1132 Label L; | |
| 1133 __ movl(rax, access_flags); | |
| 1134 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
| 1135 __ jcc(Assembler::zero, L); | |
| 1136 __ stop("method needs synchronization"); | |
| 1137 __ bind(L); | |
| 1138 } | |
| 1139 #endif | |
| 1140 } | |
| 1141 | |
| 1142 // start execution | |
| 1143 #ifdef ASSERT | |
| 1144 { | |
| 1145 Label L; | |
| 1146 const Address monitor_block_top(rbp, | |
| 1147 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
| 304 | 1148 __ movptr(rax, monitor_block_top); |
| 1149 __ cmpptr(rax, rsp); | |
| 0 | 1150 __ jcc(Assembler::equal, L); |
| 1151 __ stop("broken stack frame setup in interpreter"); | |
| 1152 __ bind(L); | |
| 1153 } | |
| 1154 #endif | |
| 1155 | |
| 1156 // jvmti support | |
| 1157 __ notify_method_entry(); | |
| 1158 | |
| 1159 // work registers | |
| 1160 const Register method = rbx; | |
|
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1161 const Register t = r11; |
| 0 | 1162 |
| 1163 // allocate space for parameters | |
| 1164 __ get_method(method); | |
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1165 __ movptr(t, Address(method, Method::const_offset())); |
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1166 __ load_unsigned_short(t, Address(t, ConstMethod::size_of_parameters_offset())); |
| 1506 | 1167 __ shll(t, Interpreter::logStackElementSize); |
| 0 | 1168 |
| 304 | 1169 __ subptr(rsp, t); |
| 1170 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows | |
| 605 | 1171 __ andptr(rsp, -16); // must be 16 byte boundary (see amd64 ABI) |
| 0 | 1172 |
| 1173 // get signature handler | |
| 1174 { | |
| 1175 Label L; | |
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1176 __ movptr(t, Address(method, Method::signature_handler_offset())); |
| 304 | 1177 __ testptr(t, t); |
| 0 | 1178 __ jcc(Assembler::notZero, L); |
| 1179 __ call_VM(noreg, | |
| 1180 CAST_FROM_FN_PTR(address, | |
| 1181 InterpreterRuntime::prepare_native_call), | |
| 1182 method); | |
| 1183 __ get_method(method); | |
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1184 __ movptr(t, Address(method, Method::signature_handler_offset())); |
| 0 | 1185 __ bind(L); |
| 1186 } | |
| 1187 | |
| 1188 // call signature handler | |
| 1189 assert(InterpreterRuntime::SignatureHandlerGenerator::from() == r14, | |
| 1190 "adjust this code"); | |
| 1191 assert(InterpreterRuntime::SignatureHandlerGenerator::to() == rsp, | |
| 1192 "adjust this code"); | |
| 1193 assert(InterpreterRuntime::SignatureHandlerGenerator::temp() == rscratch1, | |
| 1194 "adjust this code"); | |
| 1195 | |
| 1196 // The generated handlers do not touch RBX (the method oop). | |
| 1197 // However, large signatures cannot be cached and are generated | |
| 1198 // each time here. The slow-path generator can do a GC on return, | |
| 1199 // so we must reload it after the call. | |
| 1200 __ call(t); | |
| 1201 __ get_method(method); // slow path can do a GC, reload RBX | |
| 1202 | |
| 1203 | |
| 1204 // result handler is in rax | |
| 1205 // set result handler | |
| 304 | 1206 __ movptr(Address(rbp, |
| 1207 (frame::interpreter_frame_result_handler_offset) * wordSize), | |
| 1208 rax); | |
| 0 | 1209 |
| 1210 // pass mirror handle if static call | |
| 1211 { | |
| 1212 Label L; | |
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1213 const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
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1214 __ movl(t, Address(method, Method::access_flags_offset())); |
| 0 | 1215 __ testl(t, JVM_ACC_STATIC); |
| 1216 __ jcc(Assembler::zero, L); | |
| 1217 // get mirror | |
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1218 __ movptr(t, Address(method, Method::const_offset())); |
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1219 __ movptr(t, Address(t, ConstMethod::constants_offset())); |
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1220 __ movptr(t, Address(t, ConstantPool::pool_holder_offset_in_bytes())); |
| 304 | 1221 __ movptr(t, Address(t, mirror_offset)); |
| 0 | 1222 // copy mirror into activation frame |
| 304 | 1223 __ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize), |
| 0 | 1224 t); |
| 1225 // pass handle to mirror | |
| 304 | 1226 __ lea(c_rarg1, |
| 1227 Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize)); | |
| 0 | 1228 __ bind(L); |
| 1229 } | |
| 1230 | |
| 1231 // get native function entry point | |
| 1232 { | |
| 1233 Label L; | |
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1234 __ movptr(rax, Address(method, Method::native_function_offset())); |
| 0 | 1235 ExternalAddress unsatisfied(SharedRuntime::native_method_throw_unsatisfied_link_error_entry()); |
| 1236 __ movptr(rscratch2, unsatisfied.addr()); | |
| 304 | 1237 __ cmpptr(rax, rscratch2); |
| 0 | 1238 __ jcc(Assembler::notEqual, L); |
| 1239 __ call_VM(noreg, | |
| 1240 CAST_FROM_FN_PTR(address, | |
| 1241 InterpreterRuntime::prepare_native_call), | |
| 1242 method); | |
| 1243 __ get_method(method); | |
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1244 __ movptr(rax, Address(method, Method::native_function_offset())); |
| 0 | 1245 __ bind(L); |
| 1246 } | |
| 1247 | |
| 1248 // pass JNIEnv | |
| 304 | 1249 __ lea(c_rarg0, Address(r15_thread, JavaThread::jni_environment_offset())); |
| 0 | 1250 |
| 1251 // It is enough that the pc() points into the right code | |
| 1252 // segment. It does not have to be the correct return pc. | |
| 1253 __ set_last_Java_frame(rsp, rbp, (address) __ pc()); | |
| 1254 | |
| 1255 // change thread state | |
| 1256 #ifdef ASSERT | |
| 1257 { | |
| 1258 Label L; | |
| 1259 __ movl(t, Address(r15_thread, JavaThread::thread_state_offset())); | |
| 1260 __ cmpl(t, _thread_in_Java); | |
| 1261 __ jcc(Assembler::equal, L); | |
| 1262 __ stop("Wrong thread state in native stub"); | |
| 1263 __ bind(L); | |
| 1264 } | |
| 1265 #endif | |
| 1266 | |
| 1267 // Change state to native | |
| 1268 | |
| 1269 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), | |
| 1270 _thread_in_native); | |
| 1271 | |
| 1272 // Call the native method. | |
| 1273 __ call(rax); | |
| 1274 // result potentially in rax or xmm0 | |
| 1275 | |
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1276 // Verify or restore cpu control state after JNI call |
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1277 __ restore_cpu_control_state_after_jni(); |
| 0 | 1278 |
| 1279 // NOTE: The order of these pushes is known to frame::interpreter_frame_result | |
| 1280 // in order to extract the result of a method call. If the order of these | |
| 1281 // pushes change or anything else is added to the stack then the code in | |
| 1282 // interpreter_frame_result must also change. | |
| 1283 | |
| 1284 __ push(dtos); | |
| 1285 __ push(ltos); | |
| 1286 | |
| 1287 // change thread state | |
| 1288 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), | |
| 1289 _thread_in_native_trans); | |
| 1290 | |
| 1291 if (os::is_MP()) { | |
| 1292 if (UseMembar) { | |
| 1293 // Force this write out before the read below | |
| 1294 __ membar(Assembler::Membar_mask_bits( | |
| 1295 Assembler::LoadLoad | Assembler::LoadStore | | |
| 1296 Assembler::StoreLoad | Assembler::StoreStore)); | |
| 1297 } else { | |
| 1298 // Write serialization page so VM thread can do a pseudo remote membar. | |
| 1299 // We use the current thread pointer to calculate a thread specific | |
| 1300 // offset to write to within the page. This minimizes bus traffic | |
| 1301 // due to cache line collision. | |
| 1302 __ serialize_memory(r15_thread, rscratch2); | |
| 1303 } | |
| 1304 } | |
| 1305 | |
| 1306 // check for safepoint operation in progress and/or pending suspend requests | |
| 1307 { | |
| 1308 Label Continue; | |
| 1309 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), | |
| 1310 SafepointSynchronize::_not_synchronized); | |
| 1311 | |
| 1312 Label L; | |
| 1313 __ jcc(Assembler::notEqual, L); | |
| 1314 __ cmpl(Address(r15_thread, JavaThread::suspend_flags_offset()), 0); | |
| 1315 __ jcc(Assembler::equal, Continue); | |
| 1316 __ bind(L); | |
| 1317 | |
| 1318 // Don't use call_VM as it will see a possible pending exception | |
| 1319 // and forward it and never return here preventing us from | |
| 1320 // clearing _last_native_pc down below. Also can't use | |
| 1321 // call_VM_leaf either as it will check to see if r13 & r14 are | |
| 1322 // preserved and correspond to the bcp/locals pointers. So we do a | |
| 1323 // runtime call by hand. | |
| 1324 // | |
| 304 | 1325 __ mov(c_rarg0, r15_thread); |
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1326 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
| 304 | 1327 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
| 1328 __ andptr(rsp, -16); // align stack as required by ABI | |
| 0 | 1329 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, JavaThread::check_special_condition_for_native_trans))); |
| 304 | 1330 __ mov(rsp, r12); // restore sp |
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1331 __ reinit_heapbase(); |
| 0 | 1332 __ bind(Continue); |
| 1333 } | |
| 1334 | |
| 1335 // change thread state | |
| 1336 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), _thread_in_Java); | |
| 1337 | |
| 1338 // reset_last_Java_frame | |
| 1339 __ reset_last_Java_frame(true, true); | |
| 1340 | |
| 1341 // reset handle block | |
| 304 | 1342 __ movptr(t, Address(r15_thread, JavaThread::active_handles_offset())); |
| 1343 __ movptr(Address(t, JNIHandleBlock::top_offset_in_bytes()), (int32_t)NULL_WORD); | |
| 0 | 1344 |
| 1345 // If result is an oop unbox and store it in frame where gc will see it | |
| 1346 // and result handler will pick it up | |
| 1347 | |
| 1348 { | |
| 1349 Label no_oop, store_result; | |
| 1350 __ lea(t, ExternalAddress(AbstractInterpreter::result_handler(T_OBJECT))); | |
| 304 | 1351 __ cmpptr(t, Address(rbp, frame::interpreter_frame_result_handler_offset*wordSize)); |
| 0 | 1352 __ jcc(Assembler::notEqual, no_oop); |
| 1353 // retrieve result | |
| 1354 __ pop(ltos); | |
| 304 | 1355 __ testptr(rax, rax); |
| 0 | 1356 __ jcc(Assembler::zero, store_result); |
| 304 | 1357 __ movptr(rax, Address(rax, 0)); |
| 0 | 1358 __ bind(store_result); |
| 304 | 1359 __ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize), rax); |
| 0 | 1360 // keep stack depth as expected by pushing oop which will eventually be discarde |
| 1361 __ push(ltos); | |
| 1362 __ bind(no_oop); | |
| 1363 } | |
| 1364 | |
| 1365 | |
| 1366 { | |
| 1367 Label no_reguard; | |
| 1368 __ cmpl(Address(r15_thread, JavaThread::stack_guard_state_offset()), | |
| 1369 JavaThread::stack_guard_yellow_disabled); | |
| 1370 __ jcc(Assembler::notEqual, no_reguard); | |
| 1371 | |
| 304 | 1372 __ pusha(); // XXX only save smashed registers |
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1373 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
| 304 | 1374 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
| 1375 __ andptr(rsp, -16); // align stack as required by ABI | |
| 0 | 1376 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::reguard_yellow_pages))); |
| 304 | 1377 __ mov(rsp, r12); // restore sp |
| 1378 __ popa(); // XXX only restore smashed registers | |
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1379 __ reinit_heapbase(); |
| 0 | 1380 |
| 1381 __ bind(no_reguard); | |
| 1382 } | |
| 1383 | |
| 1384 | |
| 1385 // The method register is junk from after the thread_in_native transition | |
| 1386 // until here. Also can't call_VM until the bcp has been | |
| 1387 // restored. Need bcp for throwing exception below so get it now. | |
| 1388 __ get_method(method); | |
| 1389 | |
| 1390 // restore r13 to have legal interpreter frame, i.e., bci == 0 <=> | |
| 1391 // r13 == code_base() | |
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1392 __ movptr(r13, Address(method, Method::const_offset())); // get ConstMethod* |
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1393 __ lea(r13, Address(r13, ConstMethod::codes_offset())); // get codebase |
| 0 | 1394 // handle exceptions (exception handling will handle unlocking!) |
| 1395 { | |
| 1396 Label L; | |
| 304 | 1397 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
| 0 | 1398 __ jcc(Assembler::zero, L); |
| 1399 // Note: At some point we may want to unify this with the code | |
| 1400 // used in call_VM_base(); i.e., we should use the | |
| 1401 // StubRoutines::forward_exception code. For now this doesn't work | |
| 1402 // here because the rsp is not correctly set at this point. | |
| 1403 __ MacroAssembler::call_VM(noreg, | |
| 1404 CAST_FROM_FN_PTR(address, | |
| 1405 InterpreterRuntime::throw_pending_exception)); | |
| 1406 __ should_not_reach_here(); | |
| 1407 __ bind(L); | |
| 1408 } | |
| 1409 | |
| 1410 // do unlocking if necessary | |
| 1411 { | |
| 1412 Label L; | |
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1413 __ movl(t, Address(method, Method::access_flags_offset())); |
| 0 | 1414 __ testl(t, JVM_ACC_SYNCHRONIZED); |
| 1415 __ jcc(Assembler::zero, L); | |
| 1416 // the code below should be shared with interpreter macro | |
| 1417 // assembler implementation | |
| 1418 { | |
| 1419 Label unlock; | |
| 1420 // BasicObjectLock will be first in list, since this is a | |
| 1421 // synchronized method. However, need to check that the object | |
| 1422 // has not been unlocked by an explicit monitorexit bytecode. | |
| 1423 const Address monitor(rbp, | |
| 1424 (intptr_t)(frame::interpreter_frame_initial_sp_offset * | |
| 1425 wordSize - sizeof(BasicObjectLock))); | |
| 1426 | |
| 1427 // monitor expect in c_rarg1 for slow unlock path | |
| 304 | 1428 __ lea(c_rarg1, monitor); // address of first monitor |
| 0 | 1429 |
| 304 | 1430 __ movptr(t, Address(c_rarg1, BasicObjectLock::obj_offset_in_bytes())); |
| 1431 __ testptr(t, t); | |
| 0 | 1432 __ jcc(Assembler::notZero, unlock); |
| 1433 | |
| 1434 // Entry already unlocked, need to throw exception | |
| 1435 __ MacroAssembler::call_VM(noreg, | |
| 1436 CAST_FROM_FN_PTR(address, | |
| 1437 InterpreterRuntime::throw_illegal_monitor_state_exception)); | |
| 1438 __ should_not_reach_here(); | |
| 1439 | |
| 1440 __ bind(unlock); | |
| 1441 __ unlock_object(c_rarg1); | |
| 1442 } | |
| 1443 __ bind(L); | |
| 1444 } | |
| 1445 | |
| 1446 // jvmti support | |
| 1447 // Note: This must happen _after_ handling/throwing any exceptions since | |
| 1448 // the exception handler code notifies the runtime of method exits | |
| 1449 // too. If this happens before, method entry/exit notifications are | |
| 1450 // not properly paired (was bug - gri 11/22/99). | |
| 1451 __ notify_method_exit(vtos, InterpreterMacroAssembler::NotifyJVMTI); | |
| 1452 | |
| 1453 // restore potential result in edx:eax, call result handler to | |
| 1454 // restore potential result in ST0 & handle result | |
| 1455 | |
| 1456 __ pop(ltos); | |
| 1457 __ pop(dtos); | |
| 1458 | |
| 304 | 1459 __ movptr(t, Address(rbp, |
| 1460 (frame::interpreter_frame_result_handler_offset) * wordSize)); | |
| 0 | 1461 __ call(t); |
| 1462 | |
| 1463 // remove activation | |
| 304 | 1464 __ movptr(t, Address(rbp, |
| 1465 frame::interpreter_frame_sender_sp_offset * | |
| 1466 wordSize)); // get sender sp | |
| 0 | 1467 __ leave(); // remove frame anchor |
| 304 | 1468 __ pop(rdi); // get return address |
| 1469 __ mov(rsp, t); // set sp to sender sp | |
| 0 | 1470 __ jmp(rdi); |
| 1471 | |
| 1472 if (inc_counter) { | |
| 1473 // Handle overflow of counter and compile method | |
| 1474 __ bind(invocation_counter_overflow); | |
| 1475 generate_counter_overflow(&continue_after_compile); | |
| 1476 } | |
| 1477 | |
| 1478 return entry_point; | |
| 1479 } | |
| 1480 | |
| 1481 // | |
| 1482 // Generic interpreted method entry to (asm) interpreter | |
| 1483 // | |
| 1484 address InterpreterGenerator::generate_normal_entry(bool synchronized) { | |
| 1485 // determine code generation flags | |
| 1486 bool inc_counter = UseCompiler || CountCompiledCalls; | |
| 1487 | |
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1488 // ebx: Method* |
| 0 | 1489 // r13: sender sp |
| 1490 address entry_point = __ pc(); | |
| 1491 | |
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1492 const Address constMethod(rbx, Method::const_offset()); |
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1493 const Address access_flags(rbx, Method::access_flags_offset()); |
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1494 const Address size_of_parameters(rdx, |
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1495 ConstMethod::size_of_parameters_offset()); |
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1496 const Address size_of_locals(rdx, ConstMethod::size_of_locals_offset()); |
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1497 |
| 0 | 1498 |
| 1499 // get parameter size (always needed) | |
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1500 __ movptr(rdx, constMethod); |
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1501 __ load_unsigned_short(rcx, size_of_parameters); |
| 0 | 1502 |
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1503 // rbx: Method* |
| 0 | 1504 // rcx: size of parameters |
| 1505 // r13: sender_sp (could differ from sp+wordSize if we were called via c2i ) | |
| 1506 | |
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1507 __ load_unsigned_short(rdx, size_of_locals); // get size of locals in words |
| 0 | 1508 __ subl(rdx, rcx); // rdx = no. of additional locals |
| 1509 | |
| 1510 // YYY | |
| 1511 // __ incrementl(rdx); | |
| 1512 // __ andl(rdx, -2); | |
| 1513 | |
| 1514 // see if we've got enough room on the stack for locals plus overhead. | |
| 1515 generate_stack_overflow_check(); | |
| 1516 | |
| 1517 // get return address | |
| 304 | 1518 __ pop(rax); |
| 0 | 1519 |
| 1520 // compute beginning of parameters (r14) | |
| 304 | 1521 __ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize)); |
| 0 | 1522 |
| 1523 // rdx - # of additional locals | |
| 1524 // allocate space for locals | |
| 1525 // explicitly initialize locals | |
| 1526 { | |
| 1527 Label exit, loop; | |
| 1528 __ testl(rdx, rdx); | |
| 1529 __ jcc(Assembler::lessEqual, exit); // do nothing if rdx <= 0 | |
| 1530 __ bind(loop); | |
| 304 | 1531 __ push((int) NULL_WORD); // initialize local variables |
| 0 | 1532 __ decrementl(rdx); // until everything initialized |
| 1533 __ jcc(Assembler::greater, loop); | |
| 1534 __ bind(exit); | |
| 1535 } | |
| 1536 | |
| 1537 // initialize fixed part of activation frame | |
| 1538 generate_fixed_frame(false); | |
| 1539 | |
| 1540 // make sure method is not native & not abstract | |
| 1541 #ifdef ASSERT | |
| 1542 __ movl(rax, access_flags); | |
| 1543 { | |
| 1544 Label L; | |
| 1545 __ testl(rax, JVM_ACC_NATIVE); | |
| 1546 __ jcc(Assembler::zero, L); | |
| 1547 __ stop("tried to execute native method as non-native"); | |
| 1548 __ bind(L); | |
| 1549 } | |
| 1550 { | |
| 1551 Label L; | |
| 1552 __ testl(rax, JVM_ACC_ABSTRACT); | |
| 1553 __ jcc(Assembler::zero, L); | |
| 1554 __ stop("tried to execute abstract method in interpreter"); | |
| 1555 __ bind(L); | |
| 1556 } | |
| 1557 #endif | |
| 1558 | |
| 1559 // Since at this point in the method invocation the exception | |
| 1560 // handler would try to exit the monitor of synchronized methods | |
| 1561 // which hasn't been entered yet, we set the thread local variable | |
| 1562 // _do_not_unlock_if_synchronized to true. The remove_activation | |
| 1563 // will check this flag. | |
| 1564 | |
| 1565 const Address do_not_unlock_if_synchronized(r15_thread, | |
| 1566 in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); | |
| 1567 __ movbool(do_not_unlock_if_synchronized, true); | |
| 1568 | |
| 1569 // increment invocation count & check for overflow | |
| 1570 Label invocation_counter_overflow; | |
| 1571 Label profile_method; | |
| 1572 Label profile_method_continue; | |
| 1573 if (inc_counter) { | |
| 1574 generate_counter_incr(&invocation_counter_overflow, | |
| 1575 &profile_method, | |
| 1576 &profile_method_continue); | |
| 1577 if (ProfileInterpreter) { | |
| 1578 __ bind(profile_method_continue); | |
| 1579 } | |
| 1580 } | |
| 1581 | |
| 1582 Label continue_after_compile; | |
| 1583 __ bind(continue_after_compile); | |
| 1584 | |
| 1585 // check for synchronized interpreted methods | |
| 1586 bang_stack_shadow_pages(false); | |
| 1587 | |
| 1588 // reset the _do_not_unlock_if_synchronized flag | |
| 1589 __ movbool(do_not_unlock_if_synchronized, false); | |
| 1590 | |
| 1591 // check for synchronized methods | |
| 1592 // Must happen AFTER invocation_counter check and stack overflow check, | |
| 1593 // so method is not locked if overflows. | |
| 1594 if (synchronized) { | |
| 1595 // Allocate monitor and lock method | |
| 1596 lock_method(); | |
| 1597 } else { | |
| 1598 // no synchronization necessary | |
| 1599 #ifdef ASSERT | |
| 1600 { | |
| 1601 Label L; | |
| 1602 __ movl(rax, access_flags); | |
| 1603 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
| 1604 __ jcc(Assembler::zero, L); | |
| 1605 __ stop("method needs synchronization"); | |
| 1606 __ bind(L); | |
| 1607 } | |
| 1608 #endif | |
| 1609 } | |
| 1610 | |
| 1611 // start execution | |
| 1612 #ifdef ASSERT | |
| 1613 { | |
| 1614 Label L; | |
| 1615 const Address monitor_block_top (rbp, | |
| 1616 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
| 304 | 1617 __ movptr(rax, monitor_block_top); |
| 1618 __ cmpptr(rax, rsp); | |
| 0 | 1619 __ jcc(Assembler::equal, L); |
| 1620 __ stop("broken stack frame setup in interpreter"); | |
| 1621 __ bind(L); | |
| 1622 } | |
| 1623 #endif | |
| 1624 | |
| 1625 // jvmti support | |
| 1626 __ notify_method_entry(); | |
| 1627 | |
| 1628 __ dispatch_next(vtos); | |
| 1629 | |
| 1630 // invocation counter overflow | |
| 1631 if (inc_counter) { | |
| 1632 if (ProfileInterpreter) { | |
| 1633 // We have decided to profile this method in the interpreter | |
| 1634 __ bind(profile_method); | |
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1635 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::profile_method)); |
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1636 __ set_method_data_pointer_for_bcp(); |
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1637 __ get_method(rbx); |
| 0 | 1638 __ jmp(profile_method_continue); |
| 1639 } | |
| 1640 // Handle overflow of counter and compile method | |
| 1641 __ bind(invocation_counter_overflow); | |
| 1642 generate_counter_overflow(&continue_after_compile); | |
| 1643 } | |
| 1644 | |
| 1645 return entry_point; | |
| 1646 } | |
| 1647 | |
| 1648 // Entry points | |
| 1649 // | |
| 1650 // Here we generate the various kind of entries into the interpreter. | |
| 1651 // The two main entry type are generic bytecode methods and native | |
| 1652 // call method. These both come in synchronized and non-synchronized | |
| 1653 // versions but the frame layout they create is very similar. The | |
| 1654 // other method entry types are really just special purpose entries | |
| 1655 // that are really entry and interpretation all in one. These are for | |
| 1656 // trivial methods like accessor, empty, or special math methods. | |
| 1657 // | |
| 1658 // When control flow reaches any of the entry types for the interpreter | |
| 1659 // the following holds -> | |
| 1660 // | |
| 1661 // Arguments: | |
| 1662 // | |
|
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1663 // rbx: Method* |
| 0 | 1664 // |
| 1665 // Stack layout immediately at entry | |
| 1666 // | |
| 1667 // [ return address ] <--- rsp | |
| 1668 // [ parameter n ] | |
| 1669 // ... | |
| 1670 // [ parameter 1 ] | |
| 1671 // [ expression stack ] (caller's java expression stack) | |
| 1672 | |
| 1673 // Assuming that we don't go to one of the trivial specialized entries | |
| 1674 // the stack will look like below when we are ready to execute the | |
| 1675 // first bytecode (or call the native routine). The register usage | |
| 1676 // will be as the template based interpreter expects (see | |
| 1677 // interpreter_amd64.hpp). | |
| 1678 // | |
| 1679 // local variables follow incoming parameters immediately; i.e. | |
| 1680 // the return address is moved to the end of the locals). | |
| 1681 // | |
| 1682 // [ monitor entry ] <--- rsp | |
| 1683 // ... | |
| 1684 // [ monitor entry ] | |
| 1685 // [ expr. stack bottom ] | |
| 1686 // [ saved r13 ] | |
| 1687 // [ current r14 ] | |
|
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1688 // [ Method* ] |
| 0 | 1689 // [ saved ebp ] <--- rbp |
| 1690 // [ return address ] | |
| 1691 // [ local variable m ] | |
| 1692 // ... | |
| 1693 // [ local variable 1 ] | |
| 1694 // [ parameter n ] | |
| 1695 // ... | |
| 1696 // [ parameter 1 ] <--- r14 | |
| 1697 | |
| 1698 address AbstractInterpreterGenerator::generate_method_entry( | |
| 1699 AbstractInterpreter::MethodKind kind) { | |
| 1700 // determine code generation flags | |
| 1701 bool synchronized = false; | |
| 1702 address entry_point = NULL; | |
|
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|
1703 InterpreterGenerator* ig_this = (InterpreterGenerator*)this; |
| 0 | 1704 |
| 1705 switch (kind) { | |
|
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1706 case Interpreter::zerolocals : break; |
|
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|
1707 case Interpreter::zerolocals_synchronized: synchronized = true; break; |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
1708 #ifdef GRAAL |
|
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Doug Simon <doug.simon@oracle.com>
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|
1709 case Interpreter::execute_compiled_method: entry_point = ig_this->generate_execute_compiled_method_entry(); break; |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
1710 #endif |
|
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1711 case Interpreter::native : entry_point = ig_this->generate_native_entry(false); break; |
|
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1712 case Interpreter::native_synchronized : entry_point = ig_this->generate_native_entry(true); break; |
|
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1713 case Interpreter::empty : entry_point = ig_this->generate_empty_entry(); break; |
|
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1714 case Interpreter::accessor : entry_point = ig_this->generate_accessor_entry(); break; |
|
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1715 case Interpreter::abstract : entry_point = ig_this->generate_abstract_entry(); break; |
|
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1716 |
|
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|
1717 case Interpreter::java_lang_math_sin : // fall thru |
|
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1718 case Interpreter::java_lang_math_cos : // fall thru |
|
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1719 case Interpreter::java_lang_math_tan : // fall thru |
|
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|
1720 case Interpreter::java_lang_math_abs : // fall thru |
|
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1721 case Interpreter::java_lang_math_log : // fall thru |
|
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1722 case Interpreter::java_lang_math_log10 : // fall thru |
|
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1723 case Interpreter::java_lang_math_sqrt : // fall thru |
|
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|
1724 case Interpreter::java_lang_math_pow : // fall thru |
|
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1725 case Interpreter::java_lang_math_exp : entry_point = ig_this->generate_math_entry(kind); break; |
|
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|
1726 case Interpreter::java_lang_ref_reference_get |
|
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1727 : entry_point = ig_this->generate_Reference_get_entry(); break; |
|
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1728 case Interpreter::java_util_zip_CRC32_update |
|
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1729 : entry_point = ig_this->generate_CRC32_update_entry(); break; |
|
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1730 case Interpreter::java_util_zip_CRC32_updateBytes |
|
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1731 : // fall thru |
|
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|
1732 case Interpreter::java_util_zip_CRC32_updateByteBuffer |
|
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1733 : entry_point = ig_this->generate_CRC32_updateBytes_entry(kind); break; |
|
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|
1734 default: |
|
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|
1735 fatal(err_msg("unexpected method kind: %d", kind)); |
|
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|
1736 break; |
| 0 | 1737 } |
| 1738 | |
| 1739 if (entry_point) { | |
| 1740 return entry_point; | |
| 1741 } | |
| 1742 | |
|
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1743 return ig_this->generate_normal_entry(synchronized); |
| 0 | 1744 } |
| 1745 | |
|
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1746 // These should never be compiled since the interpreter will prefer |
|
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|
1747 // the compiled version to the intrinsic version. |
|
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|
1748 bool AbstractInterpreter::can_be_compiled(methodHandle m) { |
|
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|
1749 switch (method_kind(m)) { |
|
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|
1750 case Interpreter::java_lang_math_sin : // fall thru |
|
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1751 case Interpreter::java_lang_math_cos : // fall thru |
|
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1752 case Interpreter::java_lang_math_tan : // fall thru |
|
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1753 case Interpreter::java_lang_math_abs : // fall thru |
|
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|
1754 case Interpreter::java_lang_math_log : // fall thru |
|
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|
1755 case Interpreter::java_lang_math_log10 : // fall thru |
|
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1756 case Interpreter::java_lang_math_sqrt : // fall thru |
|
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|
1757 case Interpreter::java_lang_math_pow : // fall thru |
|
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|
1758 case Interpreter::java_lang_math_exp : |
|
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|
1759 return false; |
|
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|
1760 default: |
|
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|
1761 return true; |
|
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|
1762 } |
|
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|
1763 } |
|
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|
1764 |
| 0 | 1765 // How much stack a method activation needs in words. |
|
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1766 int AbstractInterpreter::size_top_interpreter_activation(Method* method) { |
| 0 | 1767 const int entry_size = frame::interpreter_frame_monitor_size(); |
| 1768 | |
| 1769 // total overhead size: entry_size + (saved rbp thru expr stack | |
| 1770 // bottom). be sure to change this if you add/subtract anything | |
| 1771 // to/from the overhead area | |
| 1772 const int overhead_size = | |
| 1773 -(frame::interpreter_frame_initial_sp_offset) + entry_size; | |
| 1774 | |
| 1775 const int stub_code = frame::entry_frame_after_call_words; | |
|
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|
1776 const int method_stack = (method->max_locals() + method->max_stack()) * |
| 1506 | 1777 Interpreter::stackElementWords; |
| 0 | 1778 return (overhead_size + method_stack + stub_code); |
| 1779 } | |
| 1780 | |
|
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|
1781 int AbstractInterpreter::layout_activation(Method* method, |
| 0 | 1782 int tempcount, |
| 1783 int popframe_extra_args, | |
| 1784 int moncount, | |
|
3369
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|
1785 int caller_actual_parameters, |
| 0 | 1786 int callee_param_count, |
| 1787 int callee_locals, | |
| 1788 frame* caller, | |
| 1789 frame* interpreter_frame, | |
|
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|
1790 bool is_top_frame, |
|
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|
1791 bool is_bottom_frame) { |
| 0 | 1792 // Note: This calculation must exactly parallel the frame setup |
| 1793 // in AbstractInterpreterGenerator::generate_method_entry. | |
| 1794 // If interpreter_frame!=NULL, set up the method, locals, and monitors. | |
| 1795 // The frame interpreter_frame, if not NULL, is guaranteed to be the | |
| 1796 // right size, as determined by a previous call to this method. | |
| 1797 // It is also guaranteed to be walkable even though it is in a skeletal state | |
| 1798 | |
| 1799 // fixed size of an interpreter frame: | |
| 1506 | 1800 int max_locals = method->max_locals() * Interpreter::stackElementWords; |
| 0 | 1801 int extra_locals = (method->max_locals() - method->size_of_parameters()) * |
| 1506 | 1802 Interpreter::stackElementWords; |
| 0 | 1803 |
| 1804 int overhead = frame::sender_sp_offset - | |
| 1805 frame::interpreter_frame_initial_sp_offset; | |
| 1806 // Our locals were accounted for by the caller (or last_frame_adjust | |
| 1807 // on the transistion) Since the callee parameters already account | |
| 1808 // for the callee's params we only need to account for the extra | |
| 1809 // locals. | |
| 1810 int size = overhead + | |
| 1506 | 1811 (callee_locals - callee_param_count)*Interpreter::stackElementWords + |
| 0 | 1812 moncount * frame::interpreter_frame_monitor_size() + |
| 1506 | 1813 tempcount* Interpreter::stackElementWords + popframe_extra_args; |
| 0 | 1814 if (interpreter_frame != NULL) { |
| 1815 #ifdef ASSERT | |
|
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|
1816 if (!EnableInvokeDynamic) |
|
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|
1817 // @@@ FIXME: Should we correct interpreter_frame_sender_sp in the calling sequences? |
|
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1818 // Probably, since deoptimization doesn't work yet. |
|
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|
1819 assert(caller->unextended_sp() == interpreter_frame->interpreter_frame_sender_sp(), "Frame not properly walkable"); |
| 0 | 1820 assert(caller->sp() == interpreter_frame->sender_sp(), "Frame not properly walkable(2)"); |
| 1821 #endif | |
| 1822 | |
| 1823 interpreter_frame->interpreter_frame_set_method(method); | |
| 1824 // NOTE the difference in using sender_sp and | |
| 1825 // interpreter_frame_sender_sp interpreter_frame_sender_sp is | |
| 1826 // the original sp of the caller (the unextended_sp) and | |
| 1827 // sender_sp is fp+16 XXX | |
| 1828 intptr_t* locals = interpreter_frame->sender_sp() + max_locals - 1; | |
| 1829 | |
|
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|
1830 #ifdef ASSERT |
|
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|
1831 if (caller->is_interpreted_frame()) { |
|
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|
1832 assert(locals < caller->fp() + frame::interpreter_frame_initial_sp_offset, "bad placement"); |
|
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|
1833 } |
|
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|
1834 #endif |
|
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|
1835 |
| 0 | 1836 interpreter_frame->interpreter_frame_set_locals(locals); |
| 1837 BasicObjectLock* montop = interpreter_frame->interpreter_frame_monitor_begin(); | |
| 1838 BasicObjectLock* monbot = montop - moncount; | |
| 1839 interpreter_frame->interpreter_frame_set_monitor_end(monbot); | |
| 1840 | |
| 1841 // Set last_sp | |
| 1842 intptr_t* esp = (intptr_t*) monbot - | |
| 1506 | 1843 tempcount*Interpreter::stackElementWords - |
| 0 | 1844 popframe_extra_args; |
| 1845 interpreter_frame->interpreter_frame_set_last_sp(esp); | |
| 1846 | |
| 1847 // All frames but the initial (oldest) interpreter frame we fill in have | |
| 1848 // a value for sender_sp that allows walking the stack but isn't | |
| 1849 // truly correct. Correct the value here. | |
| 1850 if (extra_locals != 0 && | |
| 1851 interpreter_frame->sender_sp() == | |
| 1852 interpreter_frame->interpreter_frame_sender_sp()) { | |
| 1853 interpreter_frame->set_interpreter_frame_sender_sp(caller->sp() + | |
| 1854 extra_locals); | |
| 1855 } | |
| 1856 *interpreter_frame->interpreter_frame_cache_addr() = | |
| 1857 method->constants()->cache(); | |
| 1858 } | |
| 1859 return size; | |
| 1860 } | |
| 1861 | |
| 1862 //----------------------------------------------------------------------------- | |
| 1863 // Exceptions | |
| 1864 | |
| 1865 void TemplateInterpreterGenerator::generate_throw_exception() { | |
| 1866 // Entry point in previous activation (i.e., if the caller was | |
| 1867 // interpreted) | |
| 1868 Interpreter::_rethrow_exception_entry = __ pc(); | |
| 1869 // Restore sp to interpreter_frame_last_sp even though we are going | |
| 1870 // to empty the expression stack for the exception processing. | |
| 304 | 1871 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 1872 // rax: exception |
| 1873 // rdx: return address/pc that threw exception | |
| 1874 __ restore_bcp(); // r13 points to call/send | |
| 1875 __ restore_locals(); | |
|
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|
1876 __ reinit_heapbase(); // restore r12 as heapbase. |
| 0 | 1877 // Entry point for exceptions thrown within interpreter code |
| 1878 Interpreter::_throw_exception_entry = __ pc(); | |
| 1879 // expression stack is undefined here | |
| 1880 // rax: exception | |
| 1881 // r13: exception bcp | |
| 1882 __ verify_oop(rax); | |
| 304 | 1883 __ mov(c_rarg1, rax); |
| 0 | 1884 |
| 1885 // expression stack must be empty before entering the VM in case of | |
| 1886 // an exception | |
| 1887 __ empty_expression_stack(); | |
| 1888 // find exception handler address and preserve exception oop | |
| 1889 __ call_VM(rdx, | |
| 1890 CAST_FROM_FN_PTR(address, | |
| 1891 InterpreterRuntime::exception_handler_for_exception), | |
| 1892 c_rarg1); | |
| 1893 // rax: exception handler entry point | |
| 1894 // rdx: preserved exception oop | |
| 1895 // r13: bcp for exception handler | |
| 1896 __ push_ptr(rdx); // push exception which is now the only value on the stack | |
| 1897 __ jmp(rax); // jump to exception handler (may be _remove_activation_entry!) | |
| 1898 | |
| 1899 // If the exception is not handled in the current frame the frame is | |
| 1900 // removed and the exception is rethrown (i.e. exception | |
| 1901 // continuation is _rethrow_exception). | |
| 1902 // | |
| 1903 // Note: At this point the bci is still the bxi for the instruction | |
| 1904 // which caused the exception and the expression stack is | |
| 1905 // empty. Thus, for any VM calls at this point, GC will find a legal | |
| 1906 // oop map (with empty expression stack). | |
| 1907 | |
| 1908 // In current activation | |
| 1909 // tos: exception | |
| 1910 // esi: exception bcp | |
| 1911 | |
| 1912 // | |
| 1913 // JVMTI PopFrame support | |
| 1914 // | |
| 1915 | |
| 1916 Interpreter::_remove_activation_preserving_args_entry = __ pc(); | |
| 1917 __ empty_expression_stack(); | |
| 1918 // Set the popframe_processing bit in pending_popframe_condition | |
| 1919 // indicating that we are currently handling popframe, so that | |
| 1920 // call_VMs that may happen later do not trigger new popframe | |
| 1921 // handling cycles. | |
| 1922 __ movl(rdx, Address(r15_thread, JavaThread::popframe_condition_offset())); | |
| 1923 __ orl(rdx, JavaThread::popframe_processing_bit); | |
| 1924 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), rdx); | |
| 1925 | |
| 1926 { | |
| 1927 // Check to see whether we are returning to a deoptimized frame. | |
| 1928 // (The PopFrame call ensures that the caller of the popped frame is | |
| 1929 // either interpreted or compiled and deoptimizes it if compiled.) | |
| 1930 // In this case, we can't call dispatch_next() after the frame is | |
| 1931 // popped, but instead must save the incoming arguments and restore | |
| 1932 // them after deoptimization has occurred. | |
| 1933 // | |
| 1934 // Note that we don't compare the return PC against the | |
| 1935 // deoptimization blob's unpack entry because of the presence of | |
| 1936 // adapter frames in C2. | |
| 1937 Label caller_not_deoptimized; | |
| 304 | 1938 __ movptr(c_rarg1, Address(rbp, frame::return_addr_offset * wordSize)); |
| 0 | 1939 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
| 1940 InterpreterRuntime::interpreter_contains), c_rarg1); | |
| 1941 __ testl(rax, rax); | |
| 1942 __ jcc(Assembler::notZero, caller_not_deoptimized); | |
| 1943 | |
| 1944 // Compute size of arguments for saving when returning to | |
| 1945 // deoptimized caller | |
| 1946 __ get_method(rax); | |
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1947 __ movptr(rax, Address(rax, Method::const_offset())); |
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1948 __ load_unsigned_short(rax, Address(rax, in_bytes(ConstMethod:: |
| 0 | 1949 size_of_parameters_offset()))); |
| 1506 | 1950 __ shll(rax, Interpreter::logStackElementSize); |
| 0 | 1951 __ restore_locals(); // XXX do we need this? |
| 304 | 1952 __ subptr(r14, rax); |
| 1953 __ addptr(r14, wordSize); | |
| 0 | 1954 // Save these arguments |
| 1955 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, | |
| 1956 Deoptimization:: | |
| 1957 popframe_preserve_args), | |
| 1958 r15_thread, rax, r14); | |
| 1959 | |
| 1960 __ remove_activation(vtos, rdx, | |
| 1961 /* throw_monitor_exception */ false, | |
| 1962 /* install_monitor_exception */ false, | |
| 1963 /* notify_jvmdi */ false); | |
| 1964 | |
| 1965 // Inform deoptimization that it is responsible for restoring | |
| 1966 // these arguments | |
| 1967 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), | |
| 1968 JavaThread::popframe_force_deopt_reexecution_bit); | |
| 1969 | |
| 1970 // Continue in deoptimization handler | |
| 1971 __ jmp(rdx); | |
| 1972 | |
| 1973 __ bind(caller_not_deoptimized); | |
| 1974 } | |
| 1975 | |
| 1976 __ remove_activation(vtos, rdx, /* rdx result (retaddr) is not used */ | |
| 1977 /* throw_monitor_exception */ false, | |
| 1978 /* install_monitor_exception */ false, | |
| 1979 /* notify_jvmdi */ false); | |
| 1980 | |
| 1981 // Finish with popframe handling | |
| 1982 // A previous I2C followed by a deoptimization might have moved the | |
| 1983 // outgoing arguments further up the stack. PopFrame expects the | |
| 1984 // mutations to those outgoing arguments to be preserved and other | |
| 1985 // constraints basically require this frame to look exactly as | |
| 1986 // though it had previously invoked an interpreted activation with | |
| 1987 // no space between the top of the expression stack (current | |
| 1988 // last_sp) and the top of stack. Rather than force deopt to | |
| 1989 // maintain this kind of invariant all the time we call a small | |
| 1990 // fixup routine to move the mutated arguments onto the top of our | |
| 1991 // expression stack if necessary. | |
| 304 | 1992 __ mov(c_rarg1, rsp); |
| 1993 __ movptr(c_rarg2, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); | |
| 0 | 1994 // PC must point into interpreter here |
| 1995 __ set_last_Java_frame(noreg, rbp, __ pc()); | |
| 1996 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::popframe_move_outgoing_args), r15_thread, c_rarg1, c_rarg2); | |
| 1997 __ reset_last_Java_frame(true, true); | |
| 1998 // Restore the last_sp and null it out | |
| 304 | 1999 __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
| 2000 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); | |
| 0 | 2001 |
| 2002 __ restore_bcp(); // XXX do we need this? | |
| 2003 __ restore_locals(); // XXX do we need this? | |
| 2004 // The method data pointer was incremented already during | |
| 2005 // call profiling. We have to restore the mdp for the current bcp. | |
| 2006 if (ProfileInterpreter) { | |
| 2007 __ set_method_data_pointer_for_bcp(); | |
| 2008 } | |
| 2009 | |
| 2010 // Clear the popframe condition flag | |
| 2011 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), | |
| 2012 JavaThread::popframe_inactive); | |
| 2013 | |
| 2014 __ dispatch_next(vtos); | |
| 2015 // end of PopFrame support | |
| 2016 | |
| 2017 Interpreter::_remove_activation_entry = __ pc(); | |
| 2018 | |
| 2019 // preserve exception over this code sequence | |
| 2020 __ pop_ptr(rax); | |
| 304 | 2021 __ movptr(Address(r15_thread, JavaThread::vm_result_offset()), rax); |
| 0 | 2022 // remove the activation (without doing throws on illegalMonitorExceptions) |
| 2023 __ remove_activation(vtos, rdx, false, true, false); | |
| 2024 // restore exception | |
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2025 __ get_vm_result(rax, r15_thread); |
| 0 | 2026 |
| 2027 // In between activations - previous activation type unknown yet | |
| 2028 // compute continuation point - the continuation point expects the | |
| 2029 // following registers set up: | |
| 2030 // | |
| 2031 // rax: exception | |
| 2032 // rdx: return address/pc that threw exception | |
| 2033 // rsp: expression stack of caller | |
| 2034 // rbp: ebp of caller | |
| 304 | 2035 __ push(rax); // save exception |
| 2036 __ push(rdx); // save return address | |
| 0 | 2037 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
| 2038 SharedRuntime::exception_handler_for_return_address), | |
| 1295 | 2039 r15_thread, rdx); |
| 304 | 2040 __ mov(rbx, rax); // save exception handler |
| 2041 __ pop(rdx); // restore return address | |
| 2042 __ pop(rax); // restore exception | |
| 0 | 2043 // Note that an "issuing PC" is actually the next PC after the call |
| 2044 __ jmp(rbx); // jump to exception | |
| 2045 // handler of caller | |
| 2046 } | |
| 2047 | |
| 2048 | |
| 2049 // | |
| 2050 // JVMTI ForceEarlyReturn support | |
| 2051 // | |
| 2052 address TemplateInterpreterGenerator::generate_earlyret_entry_for(TosState state) { | |
| 2053 address entry = __ pc(); | |
| 2054 | |
| 2055 __ restore_bcp(); | |
| 2056 __ restore_locals(); | |
| 2057 __ empty_expression_stack(); | |
| 2058 __ load_earlyret_value(state); | |
| 2059 | |
| 304 | 2060 __ movptr(rdx, Address(r15_thread, JavaThread::jvmti_thread_state_offset())); |
| 0 | 2061 Address cond_addr(rdx, JvmtiThreadState::earlyret_state_offset()); |
| 2062 | |
| 2063 // Clear the earlyret state | |
| 2064 __ movl(cond_addr, JvmtiThreadState::earlyret_inactive); | |
| 2065 | |
| 2066 __ remove_activation(state, rsi, | |
| 2067 false, /* throw_monitor_exception */ | |
| 2068 false, /* install_monitor_exception */ | |
| 2069 true); /* notify_jvmdi */ | |
| 2070 __ jmp(rsi); | |
| 2071 | |
| 2072 return entry; | |
| 2073 } // end of ForceEarlyReturn support | |
| 2074 | |
| 2075 | |
| 2076 //----------------------------------------------------------------------------- | |
| 2077 // Helper for vtos entry point generation | |
| 2078 | |
| 2079 void TemplateInterpreterGenerator::set_vtos_entry_points(Template* t, | |
| 2080 address& bep, | |
| 2081 address& cep, | |
| 2082 address& sep, | |
| 2083 address& aep, | |
| 2084 address& iep, | |
| 2085 address& lep, | |
| 2086 address& fep, | |
| 2087 address& dep, | |
| 2088 address& vep) { | |
| 2089 assert(t->is_valid() && t->tos_in() == vtos, "illegal template"); | |
| 2090 Label L; | |
| 2091 aep = __ pc(); __ push_ptr(); __ jmp(L); | |
| 2092 fep = __ pc(); __ push_f(); __ jmp(L); | |
| 2093 dep = __ pc(); __ push_d(); __ jmp(L); | |
| 2094 lep = __ pc(); __ push_l(); __ jmp(L); | |
| 2095 bep = cep = sep = | |
| 2096 iep = __ pc(); __ push_i(); | |
| 2097 vep = __ pc(); | |
| 2098 __ bind(L); | |
| 2099 generate_and_dispatch(t); | |
| 2100 } | |
| 2101 | |
| 2102 | |
| 2103 //----------------------------------------------------------------------------- | |
| 2104 // Generation of individual instructions | |
| 2105 | |
| 2106 // helpers for generate_and_dispatch | |
| 2107 | |
| 2108 | |
| 2109 InterpreterGenerator::InterpreterGenerator(StubQueue* code) | |
| 2110 : TemplateInterpreterGenerator(code) { | |
| 2111 generate_all(); // down here so it can be "virtual" | |
| 2112 } | |
| 2113 | |
| 2114 //----------------------------------------------------------------------------- | |
| 2115 | |
| 2116 // Non-product code | |
| 2117 #ifndef PRODUCT | |
| 2118 address TemplateInterpreterGenerator::generate_trace_code(TosState state) { | |
| 2119 address entry = __ pc(); | |
| 2120 | |
| 2121 __ push(state); | |
| 304 | 2122 __ push(c_rarg0); |
| 2123 __ push(c_rarg1); | |
| 2124 __ push(c_rarg2); | |
| 2125 __ push(c_rarg3); | |
| 2126 __ mov(c_rarg2, rax); // Pass itos | |
| 0 | 2127 #ifdef _WIN64 |
| 2128 __ movflt(xmm3, xmm0); // Pass ftos | |
| 2129 #endif | |
| 2130 __ call_VM(noreg, | |
| 2131 CAST_FROM_FN_PTR(address, SharedRuntime::trace_bytecode), | |
| 2132 c_rarg1, c_rarg2, c_rarg3); | |
| 304 | 2133 __ pop(c_rarg3); |
| 2134 __ pop(c_rarg2); | |
| 2135 __ pop(c_rarg1); | |
| 2136 __ pop(c_rarg0); | |
| 0 | 2137 __ pop(state); |
| 2138 __ ret(0); // return from result handler | |
| 2139 | |
| 2140 return entry; | |
| 2141 } | |
| 2142 | |
| 2143 void TemplateInterpreterGenerator::count_bytecode() { | |
| 2144 __ incrementl(ExternalAddress((address) &BytecodeCounter::_counter_value)); | |
| 2145 } | |
| 2146 | |
| 2147 void TemplateInterpreterGenerator::histogram_bytecode(Template* t) { | |
| 2148 __ incrementl(ExternalAddress((address) &BytecodeHistogram::_counters[t->bytecode()])); | |
| 2149 } | |
| 2150 | |
| 2151 void TemplateInterpreterGenerator::histogram_bytecode_pair(Template* t) { | |
| 2152 __ mov32(rbx, ExternalAddress((address) &BytecodePairHistogram::_index)); | |
| 2153 __ shrl(rbx, BytecodePairHistogram::log2_number_of_codes); | |
| 2154 __ orl(rbx, | |
| 2155 ((int) t->bytecode()) << | |
| 2156 BytecodePairHistogram::log2_number_of_codes); | |
| 2157 __ mov32(ExternalAddress((address) &BytecodePairHistogram::_index), rbx); | |
| 2158 __ lea(rscratch1, ExternalAddress((address) BytecodePairHistogram::_counters)); | |
| 2159 __ incrementl(Address(rscratch1, rbx, Address::times_4)); | |
| 2160 } | |
| 2161 | |
| 2162 | |
| 2163 void TemplateInterpreterGenerator::trace_bytecode(Template* t) { | |
| 2164 // Call a little run-time stub to avoid blow-up for each bytecode. | |
| 2165 // The run-time runtime saves the right registers, depending on | |
| 2166 // the tosca in-state for the given template. | |
| 2167 | |
| 2168 assert(Interpreter::trace_code(t->tos_in()) != NULL, | |
| 2169 "entry must have been generated"); | |
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2170 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
| 304 | 2171 __ andptr(rsp, -16); // align stack as required by ABI |
| 0 | 2172 __ call(RuntimeAddress(Interpreter::trace_code(t->tos_in()))); |
| 304 | 2173 __ mov(rsp, r12); // restore sp |
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2174 __ reinit_heapbase(); |
| 0 | 2175 } |
| 2176 | |
| 2177 | |
| 2178 void TemplateInterpreterGenerator::stop_interpreter_at() { | |
| 2179 Label L; | |
| 2180 __ cmp32(ExternalAddress((address) &BytecodeCounter::_counter_value), | |
| 2181 StopInterpreterAt); | |
| 2182 __ jcc(Assembler::notEqual, L); | |
| 2183 __ int3(); | |
| 2184 __ bind(L); | |
| 2185 } | |
| 2186 #endif // !PRODUCT | |
| 304 | 2187 #endif // ! CC_INTERP |