Mercurial > hg > truffle
annotate src/cpu/x86/vm/templateInterpreter_x86_64.cpp @ 13086:096c224171c4
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Wed, 20 Nov 2013 00:10:38 +0100 |
| parents | 359f7e70ae7f bd3237e0e18d |
| children | 2b43fcc68add |
| 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" | |
| 39 #include "runtime/deoptimization.hpp" | |
| 40 #include "runtime/frame.inline.hpp" | |
| 41 #include "runtime/sharedRuntime.hpp" | |
| 42 #include "runtime/stubRoutines.hpp" | |
| 43 #include "runtime/synchronizer.hpp" | |
| 44 #include "runtime/timer.hpp" | |
| 45 #include "runtime/vframeArray.hpp" | |
| 46 #include "utilities/debug.hpp" | |
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47 #include "utilities/macros.hpp" |
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48 #ifdef GRAAL |
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49 #include "graal/graalJavaAccess.hpp" |
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50 #endif |
| 0 | 51 |
| 52 #define __ _masm-> | |
| 53 | |
| 304 | 54 #ifndef CC_INTERP |
| 55 | |
| 0 | 56 const int method_offset = frame::interpreter_frame_method_offset * wordSize; |
| 57 const int bci_offset = frame::interpreter_frame_bcx_offset * wordSize; | |
| 58 const int locals_offset = frame::interpreter_frame_locals_offset * wordSize; | |
| 59 | |
| 60 //----------------------------------------------------------------------------- | |
| 61 | |
| 62 address TemplateInterpreterGenerator::generate_StackOverflowError_handler() { | |
| 63 address entry = __ pc(); | |
| 64 | |
| 65 #ifdef ASSERT | |
| 66 { | |
| 67 Label L; | |
| 304 | 68 __ lea(rax, Address(rbp, |
| 69 frame::interpreter_frame_monitor_block_top_offset * | |
| 70 wordSize)); | |
| 71 __ cmpptr(rax, rsp); // rax = maximal rsp for current rbp (stack | |
| 72 // grows negative) | |
| 0 | 73 __ jcc(Assembler::aboveEqual, L); // check if frame is complete |
| 74 __ stop ("interpreter frame not set up"); | |
| 75 __ bind(L); | |
| 76 } | |
| 77 #endif // ASSERT | |
| 78 // Restore bcp under the assumption that the current frame is still | |
| 79 // interpreted | |
| 80 __ restore_bcp(); | |
| 81 | |
| 82 // expression stack must be empty before entering the VM if an | |
| 83 // exception happened | |
| 84 __ empty_expression_stack(); | |
| 85 // throw exception | |
| 86 __ call_VM(noreg, | |
| 87 CAST_FROM_FN_PTR(address, | |
| 88 InterpreterRuntime::throw_StackOverflowError)); | |
| 89 return entry; | |
| 90 } | |
| 91 | |
| 92 address TemplateInterpreterGenerator::generate_ArrayIndexOutOfBounds_handler( | |
| 93 const char* name) { | |
| 94 address entry = __ pc(); | |
| 95 // expression stack must be empty before entering the VM if an | |
| 96 // exception happened | |
| 97 __ empty_expression_stack(); | |
| 98 // setup parameters | |
| 99 // ??? convention: expect aberrant index in register ebx | |
| 100 __ lea(c_rarg1, ExternalAddress((address)name)); | |
| 101 __ call_VM(noreg, | |
| 102 CAST_FROM_FN_PTR(address, | |
| 103 InterpreterRuntime:: | |
| 104 throw_ArrayIndexOutOfBoundsException), | |
| 105 c_rarg1, rbx); | |
| 106 return entry; | |
| 107 } | |
| 108 | |
| 109 address TemplateInterpreterGenerator::generate_ClassCastException_handler() { | |
| 110 address entry = __ pc(); | |
| 111 | |
| 112 // object is at TOS | |
| 304 | 113 __ pop(c_rarg1); |
| 0 | 114 |
| 115 // expression stack must be empty before entering the VM if an | |
| 116 // exception happened | |
| 117 __ empty_expression_stack(); | |
| 118 | |
| 119 __ call_VM(noreg, | |
| 120 CAST_FROM_FN_PTR(address, | |
| 121 InterpreterRuntime:: | |
| 122 throw_ClassCastException), | |
| 123 c_rarg1); | |
| 124 return entry; | |
| 125 } | |
| 126 | |
| 127 address TemplateInterpreterGenerator::generate_exception_handler_common( | |
| 128 const char* name, const char* message, bool pass_oop) { | |
| 129 assert(!pass_oop || message == NULL, "either oop or message but not both"); | |
| 130 address entry = __ pc(); | |
| 131 if (pass_oop) { | |
| 132 // object is at TOS | |
| 304 | 133 __ pop(c_rarg2); |
| 0 | 134 } |
| 135 // expression stack must be empty before entering the VM if an | |
| 136 // exception happened | |
| 137 __ empty_expression_stack(); | |
| 138 // setup parameters | |
| 139 __ lea(c_rarg1, ExternalAddress((address)name)); | |
| 140 if (pass_oop) { | |
| 141 __ call_VM(rax, CAST_FROM_FN_PTR(address, | |
| 142 InterpreterRuntime:: | |
| 143 create_klass_exception), | |
| 144 c_rarg1, c_rarg2); | |
| 145 } else { | |
| 146 // kind of lame ExternalAddress can't take NULL because | |
| 147 // external_word_Relocation will assert. | |
| 148 if (message != NULL) { | |
| 149 __ lea(c_rarg2, ExternalAddress((address)message)); | |
| 150 } else { | |
| 151 __ movptr(c_rarg2, NULL_WORD); | |
| 152 } | |
| 153 __ call_VM(rax, | |
| 154 CAST_FROM_FN_PTR(address, InterpreterRuntime::create_exception), | |
| 155 c_rarg1, c_rarg2); | |
| 156 } | |
| 157 // throw exception | |
| 158 __ jump(ExternalAddress(Interpreter::throw_exception_entry())); | |
| 159 return entry; | |
| 160 } | |
| 161 | |
| 162 | |
| 163 address TemplateInterpreterGenerator::generate_continuation_for(TosState state) { | |
| 164 address entry = __ pc(); | |
| 165 // NULL last_sp until next java call | |
| 304 | 166 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 167 __ dispatch_next(state); |
| 168 return entry; | |
| 169 } | |
| 170 | |
| 171 | |
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172 address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step, size_t index_size) { |
| 0 | 173 address entry = __ pc(); |
| 174 | |
| 175 // Restore stack bottom in case i2c adjusted stack | |
| 304 | 176 __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
| 0 | 177 // and NULL it as marker that esp is now tos until next java call |
| 304 | 178 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 179 |
| 180 __ restore_bcp(); | |
| 181 __ restore_locals(); | |
| 304 | 182 |
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183 if (state == atos) { |
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184 Register mdp = rbx; |
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185 Register tmp = rcx; |
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186 __ profile_return_type(mdp, rax, tmp); |
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187 } |
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188 |
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189 const Register cache = rbx; |
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190 const Register index = rcx; |
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191 __ get_cache_and_index_at_bcp(cache, index, 1, index_size); |
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192 |
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193 const Register flags = cache; |
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194 __ movl(flags, Address(cache, index, Address::times_ptr, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::flags_offset())); |
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195 __ andl(flags, ConstantPoolCacheEntry::parameter_size_mask); |
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196 __ lea(rsp, Address(rsp, flags, Interpreter::stackElementScale())); |
| 0 | 197 __ dispatch_next(state, step); |
| 1108 | 198 |
| 0 | 199 return entry; |
| 200 } | |
| 201 | |
| 202 | |
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203 address InterpreterGenerator::generate_deopt_entry_for(TosState state, |
| 0 | 204 int step) { |
| 205 address entry = __ pc(); | |
| 206 // NULL last_sp until next java call | |
| 304 | 207 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 208 __ restore_bcp(); |
| 209 __ restore_locals(); | |
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210 // Check if we need to take lock at entry of synchronized method. |
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211 { |
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212 Label L; |
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213 __ cmpb(Address(r15_thread, Thread::pending_monitorenter_offset()), 0); |
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214 __ jcc(Assembler::zero, L); |
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215 // Clear flag. |
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216 __ movb(Address(r15_thread, Thread::pending_monitorenter_offset()), 0); |
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217 // Satisfy calling convention for lock_method(). |
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218 __ get_method(rbx); |
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219 // Take lock. |
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220 lock_method(); |
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221 __ bind(L); |
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222 } |
| 0 | 223 // handle exceptions |
| 224 { | |
| 225 Label L; | |
| 304 | 226 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
| 0 | 227 __ jcc(Assembler::zero, L); |
| 228 __ call_VM(noreg, | |
| 229 CAST_FROM_FN_PTR(address, | |
| 230 InterpreterRuntime::throw_pending_exception)); | |
| 231 __ should_not_reach_here(); | |
| 232 __ bind(L); | |
| 233 } | |
| 234 __ dispatch_next(state, step); | |
| 235 return entry; | |
| 236 } | |
| 237 | |
| 238 int AbstractInterpreter::BasicType_as_index(BasicType type) { | |
| 239 int i = 0; | |
| 240 switch (type) { | |
| 241 case T_BOOLEAN: i = 0; break; | |
| 242 case T_CHAR : i = 1; break; | |
| 243 case T_BYTE : i = 2; break; | |
| 244 case T_SHORT : i = 3; break; | |
| 245 case T_INT : i = 4; break; | |
| 246 case T_LONG : i = 5; break; | |
| 247 case T_VOID : i = 6; break; | |
| 248 case T_FLOAT : i = 7; break; | |
| 249 case T_DOUBLE : i = 8; break; | |
| 250 case T_OBJECT : i = 9; break; | |
| 251 case T_ARRAY : i = 9; break; | |
| 252 default : ShouldNotReachHere(); | |
| 253 } | |
| 254 assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers, | |
| 255 "index out of bounds"); | |
| 256 return i; | |
| 257 } | |
| 258 | |
| 259 | |
| 260 address TemplateInterpreterGenerator::generate_result_handler_for( | |
| 261 BasicType type) { | |
| 262 address entry = __ pc(); | |
| 263 switch (type) { | |
| 264 case T_BOOLEAN: __ c2bool(rax); break; | |
| 265 case T_CHAR : __ movzwl(rax, rax); break; | |
| 266 case T_BYTE : __ sign_extend_byte(rax); break; | |
| 267 case T_SHORT : __ sign_extend_short(rax); break; | |
| 268 case T_INT : /* nothing to do */ break; | |
| 269 case T_LONG : /* nothing to do */ break; | |
| 270 case T_VOID : /* nothing to do */ break; | |
| 271 case T_FLOAT : /* nothing to do */ break; | |
| 272 case T_DOUBLE : /* nothing to do */ break; | |
| 273 case T_OBJECT : | |
| 274 // retrieve result from frame | |
| 304 | 275 __ movptr(rax, Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize)); |
| 0 | 276 // and verify it |
| 277 __ verify_oop(rax); | |
| 278 break; | |
| 279 default : ShouldNotReachHere(); | |
| 280 } | |
| 281 __ ret(0); // return from result handler | |
| 282 return entry; | |
| 283 } | |
| 284 | |
| 285 address TemplateInterpreterGenerator::generate_safept_entry_for( | |
| 286 TosState state, | |
| 287 address runtime_entry) { | |
| 288 address entry = __ pc(); | |
| 289 __ push(state); | |
| 290 __ call_VM(noreg, runtime_entry); | |
| 291 __ dispatch_via(vtos, Interpreter::_normal_table.table_for(vtos)); | |
| 292 return entry; | |
| 293 } | |
| 294 | |
| 295 | |
| 296 | |
| 297 // Helpers for commoning out cases in the various type of method entries. | |
| 298 // | |
| 299 | |
| 300 | |
| 301 // increment invocation count & check for overflow | |
| 302 // | |
| 303 // Note: checking for negative value instead of overflow | |
| 304 // so we have a 'sticky' overflow test | |
| 305 // | |
| 306 // rbx: method | |
| 307 // ecx: invocation counter | |
| 308 // | |
| 309 void InterpreterGenerator::generate_counter_incr( | |
| 310 Label* overflow, | |
| 311 Label* profile_method, | |
| 312 Label* profile_method_continue) { | |
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313 Label done; |
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314 // Note: In tiered we increment either counters in Method* or in MDO depending if we're profiling or not. |
| 1783 | 315 if (TieredCompilation) { |
| 316 int increment = InvocationCounter::count_increment; | |
| 317 int mask = ((1 << Tier0InvokeNotifyFreqLog) - 1) << InvocationCounter::count_shift; | |
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318 Label no_mdo; |
| 1783 | 319 if (ProfileInterpreter) { |
| 320 // Are we profiling? | |
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321 __ movptr(rax, Address(rbx, Method::method_data_offset())); |
| 1783 | 322 __ testptr(rax, rax); |
| 323 __ jccb(Assembler::zero, no_mdo); | |
| 324 // Increment counter in the MDO | |
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325 const Address mdo_invocation_counter(rax, in_bytes(MethodData::invocation_counter_offset()) + |
| 1783 | 326 in_bytes(InvocationCounter::counter_offset())); |
| 327 __ increment_mask_and_jump(mdo_invocation_counter, increment, mask, rcx, false, Assembler::zero, overflow); | |
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328 __ jmp(done); |
| 1783 | 329 } |
| 330 __ bind(no_mdo); | |
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331 // Increment counter in MethodCounters |
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332 const Address invocation_counter(rax, |
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333 MethodCounters::invocation_counter_offset() + |
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334 InvocationCounter::counter_offset()); |
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335 __ get_method_counters(rbx, rax, done); |
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336 __ increment_mask_and_jump(invocation_counter, increment, mask, rcx, |
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337 false, Assembler::zero, overflow); |
| 1783 | 338 __ bind(done); |
| 339 } else { | |
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340 const Address backedge_counter(rax, |
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341 MethodCounters::backedge_counter_offset() + |
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342 InvocationCounter::counter_offset()); |
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343 const Address invocation_counter(rax, |
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344 MethodCounters::invocation_counter_offset() + |
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345 InvocationCounter::counter_offset()); |
| 0 | 346 |
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347 __ get_method_counters(rbx, rax, done); |
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348 |
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349 if (ProfileInterpreter) { |
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350 __ incrementl(Address(rax, |
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351 MethodCounters::interpreter_invocation_counter_offset())); |
| 1783 | 352 } |
| 353 // Update standard invocation counters | |
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354 __ movl(rcx, invocation_counter); |
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355 __ incrementl(rcx, InvocationCounter::count_increment); |
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356 __ movl(invocation_counter, rcx); // save invocation count |
| 0 | 357 |
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358 __ movl(rax, backedge_counter); // load backedge counter |
| 1783 | 359 __ andl(rax, InvocationCounter::count_mask_value); // mask out the status bits |
| 0 | 360 |
| 1783 | 361 __ addl(rcx, rax); // add both counters |
| 0 | 362 |
| 1783 | 363 // profile_method is non-null only for interpreted method so |
| 364 // profile_method != NULL == !native_call | |
| 365 | |
| 366 if (ProfileInterpreter && profile_method != NULL) { | |
| 367 // Test to see if we should create a method data oop | |
| 368 __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterProfileLimit)); | |
| 369 __ jcc(Assembler::less, *profile_method_continue); | |
| 0 | 370 |
| 1783 | 371 // if no method data exists, go to profile_method |
| 372 __ test_method_data_pointer(rax, *profile_method); | |
| 373 } | |
| 374 | |
| 375 __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterInvocationLimit)); | |
| 376 __ jcc(Assembler::aboveEqual, *overflow); | |
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377 __ bind(done); |
| 0 | 378 } |
| 379 } | |
| 380 | |
| 381 void InterpreterGenerator::generate_counter_overflow(Label* do_continue) { | |
| 382 | |
| 383 // Asm interpreter on entry | |
| 384 // r14 - locals | |
| 385 // r13 - bcp | |
| 386 // rbx - method | |
| 387 // edx - cpool --- DOES NOT APPEAR TO BE TRUE | |
| 388 // rbp - interpreter frame | |
| 389 | |
| 390 // On return (i.e. jump to entry_point) [ back to invocation of interpreter ] | |
| 391 // Everything as it was on entry | |
| 392 // rdx is not restored. Doesn't appear to really be set. | |
| 393 | |
| 394 // InterpreterRuntime::frequency_counter_overflow takes two | |
| 395 // arguments, the first (thread) is passed by call_VM, the second | |
| 396 // indicates if the counter overflow occurs at a backwards branch | |
| 397 // (NULL bcp). We pass zero for it. The call returns the address | |
| 398 // of the verified entry point for the method or NULL if the | |
| 399 // compilation did not complete (either went background or bailed | |
| 400 // out). | |
| 401 __ movl(c_rarg1, 0); | |
| 402 __ call_VM(noreg, | |
| 403 CAST_FROM_FN_PTR(address, | |
| 404 InterpreterRuntime::frequency_counter_overflow), | |
| 405 c_rarg1); | |
| 406 | |
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407 __ movptr(rbx, Address(rbp, method_offset)); // restore Method* |
| 0 | 408 // Preserve invariant that r13/r14 contain bcp/locals of sender frame |
| 409 // and jump to the interpreted entry. | |
| 410 __ jmp(*do_continue, relocInfo::none); | |
| 411 } | |
| 412 | |
| 413 // See if we've got enough room on the stack for locals plus overhead. | |
| 414 // The expression stack grows down incrementally, so the normal guard | |
| 415 // page mechanism will work for that. | |
| 416 // | |
| 417 // NOTE: Since the additional locals are also always pushed (wasn't | |
| 418 // obvious in generate_method_entry) so the guard should work for them | |
| 419 // too. | |
| 420 // | |
| 421 // Args: | |
| 422 // rdx: number of additional locals this frame needs (what we must check) | |
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423 // rbx: Method* |
| 0 | 424 // |
| 425 // Kills: | |
| 426 // rax | |
| 427 void InterpreterGenerator::generate_stack_overflow_check(void) { | |
| 428 | |
| 429 // monitor entry size: see picture of stack set | |
| 430 // (generate_method_entry) and frame_amd64.hpp | |
| 431 const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; | |
| 432 | |
| 433 // total overhead size: entry_size + (saved rbp through expr stack | |
| 434 // bottom). be sure to change this if you add/subtract anything | |
| 435 // to/from the overhead area | |
| 436 const int overhead_size = | |
| 437 -(frame::interpreter_frame_initial_sp_offset * wordSize) + entry_size; | |
| 438 | |
| 439 const int page_size = os::vm_page_size(); | |
| 440 | |
| 441 Label after_frame_check; | |
| 442 | |
| 443 // see if the frame is greater than one page in size. If so, | |
| 444 // then we need to verify there is enough stack space remaining | |
| 445 // for the additional locals. | |
| 1506 | 446 __ cmpl(rdx, (page_size - overhead_size) / Interpreter::stackElementSize); |
| 0 | 447 __ jcc(Assembler::belowEqual, after_frame_check); |
| 448 | |
| 449 // compute rsp as if this were going to be the last frame on | |
| 450 // the stack before the red zone | |
| 451 | |
| 452 const Address stack_base(r15_thread, Thread::stack_base_offset()); | |
| 453 const Address stack_size(r15_thread, Thread::stack_size_offset()); | |
| 454 | |
| 455 // locals + overhead, in bytes | |
| 304 | 456 __ mov(rax, rdx); |
| 1506 | 457 __ shlptr(rax, Interpreter::logStackElementSize); // 2 slots per parameter. |
| 304 | 458 __ addptr(rax, overhead_size); |
| 0 | 459 |
| 460 #ifdef ASSERT | |
| 461 Label stack_base_okay, stack_size_okay; | |
| 462 // verify that thread stack base is non-zero | |
| 304 | 463 __ cmpptr(stack_base, (int32_t)NULL_WORD); |
| 0 | 464 __ jcc(Assembler::notEqual, stack_base_okay); |
| 465 __ stop("stack base is zero"); | |
| 466 __ bind(stack_base_okay); | |
| 467 // verify that thread stack size is non-zero | |
| 304 | 468 __ cmpptr(stack_size, 0); |
| 0 | 469 __ jcc(Assembler::notEqual, stack_size_okay); |
| 470 __ stop("stack size is zero"); | |
| 471 __ bind(stack_size_okay); | |
| 472 #endif | |
| 473 | |
| 474 // Add stack base to locals and subtract stack size | |
| 304 | 475 __ addptr(rax, stack_base); |
| 476 __ subptr(rax, stack_size); | |
| 0 | 477 |
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478 // Use the maximum number of pages we might bang. |
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479 const int max_pages = StackShadowPages > (StackRedPages+StackYellowPages) ? StackShadowPages : |
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480 (StackRedPages+StackYellowPages); |
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481 |
| 0 | 482 // add in the red and yellow zone sizes |
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483 __ addptr(rax, max_pages * page_size); |
| 0 | 484 |
| 485 // check against the current stack bottom | |
| 304 | 486 __ cmpptr(rsp, rax); |
| 0 | 487 __ jcc(Assembler::above, after_frame_check); |
| 488 | |
| 4743 | 489 // Restore sender's sp as SP. This is necessary if the sender's |
| 490 // frame is an extended compiled frame (see gen_c2i_adapter()) | |
| 491 // and safer anyway in case of JSR292 adaptations. | |
| 492 | |
| 493 __ pop(rax); // return address must be moved if SP is changed | |
| 494 __ mov(rsp, r13); | |
| 495 __ push(rax); | |
| 496 | |
| 497 // Note: the restored frame is not necessarily interpreted. | |
| 498 // Use the shared runtime version of the StackOverflowError. | |
| 499 assert(StubRoutines::throw_StackOverflowError_entry() != NULL, "stub not yet generated"); | |
| 500 __ jump(ExternalAddress(StubRoutines::throw_StackOverflowError_entry())); | |
| 0 | 501 |
| 502 // all done with frame size check | |
| 503 __ bind(after_frame_check); | |
| 504 } | |
| 505 | |
| 506 // Allocate monitor and lock method (asm interpreter) | |
| 507 // | |
| 508 // Args: | |
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509 // rbx: Method* |
| 0 | 510 // r14: locals |
| 511 // | |
| 512 // Kills: | |
| 513 // rax | |
| 514 // c_rarg0, c_rarg1, c_rarg2, c_rarg3, ...(param regs) | |
| 515 // rscratch1, rscratch2 (scratch regs) | |
| 516 void InterpreterGenerator::lock_method(void) { | |
| 517 // synchronize method | |
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518 const Address access_flags(rbx, Method::access_flags_offset()); |
| 0 | 519 const Address monitor_block_top( |
| 520 rbp, | |
| 521 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
| 522 const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; | |
| 523 | |
| 524 #ifdef ASSERT | |
| 525 { | |
| 526 Label L; | |
| 527 __ movl(rax, access_flags); | |
| 528 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
| 529 __ jcc(Assembler::notZero, L); | |
| 530 __ stop("method doesn't need synchronization"); | |
| 531 __ bind(L); | |
| 532 } | |
| 533 #endif // ASSERT | |
| 534 | |
| 535 // get synchronization object | |
| 536 { | |
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537 const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
| 0 | 538 Label done; |
| 539 __ movl(rax, access_flags); | |
| 540 __ testl(rax, JVM_ACC_STATIC); | |
| 541 // get receiver (assume this is frequent case) | |
| 304 | 542 __ movptr(rax, Address(r14, Interpreter::local_offset_in_bytes(0))); |
| 0 | 543 __ jcc(Assembler::zero, done); |
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544 __ movptr(rax, Address(rbx, Method::const_offset())); |
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545 __ movptr(rax, Address(rax, ConstMethod::constants_offset())); |
| 304 | 546 __ movptr(rax, Address(rax, |
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547 ConstantPool::pool_holder_offset_in_bytes())); |
| 304 | 548 __ movptr(rax, Address(rax, mirror_offset)); |
| 0 | 549 |
| 550 #ifdef ASSERT | |
| 551 { | |
| 552 Label L; | |
| 304 | 553 __ testptr(rax, rax); |
| 0 | 554 __ jcc(Assembler::notZero, L); |
| 555 __ stop("synchronization object is NULL"); | |
| 556 __ bind(L); | |
| 557 } | |
| 558 #endif // ASSERT | |
| 559 | |
| 560 __ bind(done); | |
| 561 } | |
| 562 | |
| 563 // add space for monitor & lock | |
| 304 | 564 __ subptr(rsp, entry_size); // add space for a monitor entry |
| 565 __ movptr(monitor_block_top, rsp); // set new monitor block top | |
| 0 | 566 // store object |
| 304 | 567 __ movptr(Address(rsp, BasicObjectLock::obj_offset_in_bytes()), rax); |
| 568 __ movptr(c_rarg1, rsp); // object address | |
| 0 | 569 __ lock_object(c_rarg1); |
| 570 } | |
| 571 | |
| 572 // Generate a fixed interpreter frame. This is identical setup for | |
| 573 // interpreted methods and for native methods hence the shared code. | |
| 574 // | |
| 575 // Args: | |
| 576 // rax: return address | |
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577 // rbx: Method* |
| 0 | 578 // r14: pointer to locals |
| 579 // r13: sender sp | |
| 580 // rdx: cp cache | |
| 581 void TemplateInterpreterGenerator::generate_fixed_frame(bool native_call) { | |
| 582 // initialize fixed part of activation frame | |
| 304 | 583 __ push(rax); // save return address |
| 0 | 584 __ enter(); // save old & set new rbp |
| 304 | 585 __ push(r13); // set sender sp |
| 586 __ push((int)NULL_WORD); // leave last_sp as null | |
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587 __ movptr(r13, Address(rbx, Method::const_offset())); // get ConstMethod* |
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588 __ lea(r13, Address(r13, ConstMethod::codes_offset())); // get codebase |
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589 __ push(rbx); // save Method* |
| 0 | 590 if (ProfileInterpreter) { |
| 591 Label method_data_continue; | |
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592 __ movptr(rdx, Address(rbx, in_bytes(Method::method_data_offset()))); |
| 304 | 593 __ testptr(rdx, rdx); |
| 0 | 594 __ jcc(Assembler::zero, method_data_continue); |
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595 __ addptr(rdx, in_bytes(MethodData::data_offset())); |
| 0 | 596 __ bind(method_data_continue); |
| 304 | 597 __ push(rdx); // set the mdp (method data pointer) |
| 0 | 598 } else { |
| 304 | 599 __ push(0); |
| 0 | 600 } |
| 601 | |
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602 __ movptr(rdx, Address(rbx, Method::const_offset())); |
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603 __ movptr(rdx, Address(rdx, ConstMethod::constants_offset())); |
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604 __ movptr(rdx, Address(rdx, ConstantPool::cache_offset_in_bytes())); |
| 304 | 605 __ push(rdx); // set constant pool cache |
| 606 __ push(r14); // set locals pointer | |
| 0 | 607 if (native_call) { |
| 304 | 608 __ push(0); // no bcp |
| 0 | 609 } else { |
| 304 | 610 __ push(r13); // set bcp |
| 0 | 611 } |
| 304 | 612 __ push(0); // reserve word for pointer to expression stack bottom |
| 613 __ movptr(Address(rsp, 0), rsp); // set expression stack bottom | |
| 0 | 614 } |
| 615 | |
| 616 // End of helpers | |
| 617 | |
| 304 | 618 // Various method entries |
| 619 //------------------------------------------------------------------------------------------------------------------------ | |
| 620 // | |
| 621 // | |
| 622 | |
| 623 // Call an accessor method (assuming it is resolved, otherwise drop | |
| 624 // into vanilla (slow path) entry | |
| 625 address InterpreterGenerator::generate_accessor_entry(void) { | |
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626 // rbx: Method* |
| 304 | 627 |
| 628 // r13: senderSP must preserver for slow path, set SP to it on fast path | |
| 629 | |
| 630 address entry_point = __ pc(); | |
| 631 Label xreturn_path; | |
| 632 | |
| 633 // do fastpath for resolved accessor methods | |
| 634 if (UseFastAccessorMethods) { | |
| 635 // Code: _aload_0, _(i|a)getfield, _(i|a)return or any rewrites | |
| 636 // thereof; parameter size = 1 | |
| 637 // Note: We can only use this code if the getfield has been resolved | |
| 638 // and if we don't have a null-pointer exception => check for | |
| 639 // these conditions first and use slow path if necessary. | |
| 640 Label slow_path; | |
| 641 // If we need a safepoint check, generate full interpreter entry. | |
| 642 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), | |
| 643 SafepointSynchronize::_not_synchronized); | |
| 644 | |
| 645 __ jcc(Assembler::notEqual, slow_path); | |
| 646 // rbx: method | |
| 647 __ movptr(rax, Address(rsp, wordSize)); | |
| 648 | |
| 649 // check if local 0 != NULL and read field | |
| 650 __ testptr(rax, rax); | |
| 651 __ jcc(Assembler::zero, slow_path); | |
| 652 | |
| 653 // read first instruction word and extract bytecode @ 1 and index @ 2 | |
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654 __ movptr(rdx, Address(rbx, Method::const_offset())); |
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655 __ movptr(rdi, Address(rdx, ConstMethod::constants_offset())); |
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656 __ movl(rdx, Address(rdx, ConstMethod::codes_offset())); |
| 304 | 657 // Shift codes right to get the index on the right. |
| 658 // The bytecode fetched looks like <index><0xb4><0x2a> | |
| 659 __ shrl(rdx, 2 * BitsPerByte); | |
| 660 __ shll(rdx, exact_log2(in_words(ConstantPoolCacheEntry::size()))); | |
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661 __ movptr(rdi, Address(rdi, ConstantPool::cache_offset_in_bytes())); |
| 304 | 662 |
| 663 // rax: local 0 | |
| 664 // rbx: method | |
| 665 // rdx: constant pool cache index | |
| 666 // rdi: constant pool cache | |
| 667 | |
| 668 // check if getfield has been resolved and read constant pool cache entry | |
| 669 // check the validity of the cache entry by testing whether _indices field | |
| 670 // contains Bytecode::_getfield in b1 byte. | |
| 671 assert(in_words(ConstantPoolCacheEntry::size()) == 4, | |
| 672 "adjust shift below"); | |
| 673 __ movl(rcx, | |
| 674 Address(rdi, | |
| 675 rdx, | |
| 676 Address::times_8, | |
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677 ConstantPoolCache::base_offset() + |
| 304 | 678 ConstantPoolCacheEntry::indices_offset())); |
| 679 __ shrl(rcx, 2 * BitsPerByte); | |
| 680 __ andl(rcx, 0xFF); | |
| 681 __ cmpl(rcx, Bytecodes::_getfield); | |
| 682 __ jcc(Assembler::notEqual, slow_path); | |
| 683 | |
| 684 // Note: constant pool entry is not valid before bytecode is resolved | |
| 685 __ movptr(rcx, | |
| 686 Address(rdi, | |
| 687 rdx, | |
| 688 Address::times_8, | |
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689 ConstantPoolCache::base_offset() + |
| 304 | 690 ConstantPoolCacheEntry::f2_offset())); |
| 691 // edx: flags | |
| 692 __ movl(rdx, | |
| 693 Address(rdi, | |
| 694 rdx, | |
| 695 Address::times_8, | |
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696 ConstantPoolCache::base_offset() + |
| 304 | 697 ConstantPoolCacheEntry::flags_offset())); |
| 698 | |
| 699 Label notObj, notInt, notByte, notShort; | |
| 700 const Address field_address(rax, rcx, Address::times_1); | |
| 701 | |
| 702 // Need to differentiate between igetfield, agetfield, bgetfield etc. | |
| 703 // because they are different sizes. | |
| 704 // Use the type from the constant pool cache | |
|
6266
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|
705 __ shrl(rdx, ConstantPoolCacheEntry::tos_state_shift); |
|
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706 // Make sure we don't need to mask edx after the above shift |
|
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707 ConstantPoolCacheEntry::verify_tos_state_shift(); |
| 304 | 708 |
| 709 __ cmpl(rdx, atos); | |
| 710 __ jcc(Assembler::notEqual, notObj); | |
| 711 // atos | |
| 712 __ load_heap_oop(rax, field_address); | |
| 713 __ jmp(xreturn_path); | |
| 714 | |
| 715 __ bind(notObj); | |
| 716 __ cmpl(rdx, itos); | |
| 717 __ jcc(Assembler::notEqual, notInt); | |
| 718 // itos | |
| 719 __ movl(rax, field_address); | |
| 720 __ jmp(xreturn_path); | |
| 721 | |
| 722 __ bind(notInt); | |
| 723 __ cmpl(rdx, btos); | |
| 724 __ jcc(Assembler::notEqual, notByte); | |
| 725 // btos | |
| 726 __ load_signed_byte(rax, field_address); | |
| 727 __ jmp(xreturn_path); | |
| 728 | |
| 729 __ bind(notByte); | |
| 730 __ cmpl(rdx, stos); | |
| 731 __ jcc(Assembler::notEqual, notShort); | |
| 732 // stos | |
|
622
56aae7be60d4
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605
diff
changeset
|
733 __ load_signed_short(rax, field_address); |
| 304 | 734 __ jmp(xreturn_path); |
| 735 | |
| 736 __ bind(notShort); | |
| 737 #ifdef ASSERT | |
| 738 Label okay; | |
| 739 __ cmpl(rdx, ctos); | |
| 740 __ jcc(Assembler::equal, okay); | |
| 741 __ stop("what type is this?"); | |
| 742 __ bind(okay); | |
| 743 #endif | |
| 744 // ctos | |
|
622
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|
745 __ load_unsigned_short(rax, field_address); |
| 304 | 746 |
| 747 __ bind(xreturn_path); | |
| 748 | |
| 749 // _ireturn/_areturn | |
| 750 __ pop(rdi); | |
| 751 __ mov(rsp, r13); | |
| 752 __ jmp(rdi); | |
| 753 __ ret(0); | |
| 754 | |
| 755 // generate a vanilla interpreter entry as the slow path | |
| 756 __ bind(slow_path); | |
| 757 (void) generate_normal_entry(false); | |
| 758 } else { | |
| 759 (void) generate_normal_entry(false); | |
| 760 } | |
| 761 | |
| 762 return entry_point; | |
| 763 } | |
| 764 | |
|
3249
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
765 // Method entry for java.lang.ref.Reference.get. |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
766 address InterpreterGenerator::generate_Reference_get_entry(void) { |
|
8001
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jprovino
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diff
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|
767 #if INCLUDE_ALL_GCS |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
768 // Code: _aload_0, _getfield, _areturn |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
769 // parameter size = 1 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
770 // |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
771 // 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
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|
772 // 1. The "intrinsified" code for G1 (or any SATB based GC), |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
773 // 2. The slow path - which is an expansion of the regular method entry. |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
774 // |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
775 // Notes:- |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
776 // * 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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|
777 // 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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|
778 // 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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|
779 // 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
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|
780 // update buffer. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
781 // 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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|
782 // 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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changeset
|
783 // Reference.get() then going through the normal method entry |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
784 // will be fine. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
785 // * The G1 code can, however, check the receiver object (the instance |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
786 // 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
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|
787 // Reference object is null then we obviously cannot fetch the referent |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
788 // 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
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|
789 // regular method entry code to generate the NPE. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
790 // |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
791 // This code is based on generate_accessor_enty. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
792 // |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
793 // rbx: Method* |
|
3249
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
794 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
795 // 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
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changeset
|
796 |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
797 address entry = __ pc(); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
798 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
799 const int referent_offset = java_lang_ref_Reference::referent_offset; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
800 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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|
801 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
802 if (UseG1GC) { |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
803 Label slow_path; |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
804 // rbx: method |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
805 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
806 // Check if local 0 != NULL |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
807 // 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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changeset
|
808 __ movptr(rax, Address(rsp, wordSize)); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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|
809 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
810 __ testptr(rax, rax); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
811 __ jcc(Assembler::zero, slow_path); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
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changeset
|
812 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
813 // rax: local 0 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
814 // rbx: method (but can be used as scratch now) |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
815 // rdx: scratch |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
816 // rdi: scratch |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
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changeset
|
817 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
818 // 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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changeset
|
819 // the referent field in an SATB buffer. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
820 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
821 // Load the value of the referent field. |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
822 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
|
823 __ load_heap_oop(rax, field_address); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
824 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
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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|
827 __ g1_write_barrier_pre(noreg /* obj */, |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
828 rax /* pre_val */, |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
829 r15_thread /* thread */, |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
830 rbx /* tmp */, |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
831 true /* tosca_live */, |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
832 true /* expand_call */); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
833 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
834 // _areturn |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
835 __ pop(rdi); // get return address |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
836 __ mov(rsp, r13); // set sp to sender sp |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
837 __ jmp(rdi); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
838 __ ret(0); |
|
e1162778c1c8
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changeset
|
839 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
840 // generate a vanilla interpreter entry as the slow path |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
841 __ bind(slow_path); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
842 (void) generate_normal_entry(false); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
843 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
844 return entry; |
|
e1162778c1c8
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johnc
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changeset
|
845 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7402
diff
changeset
|
846 #endif // INCLUDE_ALL_GCS |
|
3249
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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changeset
|
847 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
848 // If G1 is not enabled then attempt to go through the accessor entry point |
|
e1162778c1c8
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johnc
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changeset
|
849 // Reference.get is an accessor |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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changeset
|
850 return generate_accessor_entry(); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
851 } |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
852 |
|
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
|
853 #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
|
854 |
|
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
|
855 // 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>
parents:
8883
diff
changeset
|
856 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>
parents:
8883
diff
changeset
|
857 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:
8883
diff
changeset
|
858 |
|
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
|
859 // 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:
8883
diff
changeset
|
860 __ 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:
8883
diff
changeset
|
861 |
|
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 // 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
|
863 // 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
|
864 __ 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
|
865 |
|
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
|
866 // 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
|
867 // 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
|
868 __ 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
|
869 |
|
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
|
870 // 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
|
871 __ 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
|
872 |
|
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 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
|
874 __ 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
|
875 |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
876 // 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
|
877 __ 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
|
878 |
|
10475
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
879 // 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
|
880 __ 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
|
881 |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
882 // 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
|
883 __ 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
|
884 Label invalid_nmethod; |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
885 __ 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
|
886 |
|
10534
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
887 // 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
|
888 __ andptr(rsp, -16); |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
889 |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
890 // 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
|
891 // 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
|
892 __ push(rax); |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
893 |
|
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
|
894 // 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
|
895 __ 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
|
896 |
|
10475
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
897 __ bind(invalid_nmethod); |
|
10479
40b8c383bc31
Throw InvalidInstalledCodeException directly in the stubs.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10475
diff
changeset
|
898 |
|
10534
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
899 // 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
|
900 __ empty_expression_stack(); |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
901 __ 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
|
902 __ 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
|
903 __ 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
|
904 // 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
|
905 __ 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
|
906 |
|
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
|
907 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
|
908 } |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
909 |
|
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
|
910 #endif |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
911 |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
912 /** |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
913 * Method entry for static native methods: |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
914 * 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
|
915 */ |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
916 address InterpreterGenerator::generate_CRC32_update_entry() { |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
917 if (UseCRC32Intrinsics) { |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
918 address entry = __ pc(); |
|
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 // rbx,: Method* |
|
12070
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
921 // r13: senderSP must preserved for slow path, set SP to it on fast path |
|
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
922 // c_rarg0: scratch (rdi on non-Win64, rcx on Win64) |
|
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
923 // c_rarg1: scratch (rsi on non-Win64, rdx on Win64) |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
924 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
925 Label slow_path; |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
926 // 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
|
927 ExternalAddress state(SafepointSynchronize::address_of_state()); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
928 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
929 SafepointSynchronize::_not_synchronized); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
930 __ jcc(Assembler::notEqual, slow_path); |
|
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 // 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
|
933 // 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
|
934 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
935 // Load parameters |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
936 const Register crc = rax; // crc |
|
12070
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
937 const Register val = c_rarg0; // source java byte value |
|
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
938 const Register tbl = c_rarg1; // scratch |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
939 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
940 // Arguments are reversed on java expression stack |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
941 __ movl(val, Address(rsp, wordSize)); // byte value |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
942 __ 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
|
943 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
944 __ lea(tbl, ExternalAddress(StubRoutines::crc_table_addr())); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
945 __ notl(crc); // ~crc |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
946 __ update_byte_crc32(crc, val, tbl); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
947 __ notl(crc); // ~crc |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
948 // result in rax |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
949 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
950 // _areturn |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
951 __ pop(rdi); // get return address |
|
12070
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
952 __ mov(rsp, r13); // set sp to sender sp |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
953 __ jmp(rdi); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
954 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
955 // 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
|
956 __ bind(slow_path); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
957 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
958 (void) generate_native_entry(false); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
959 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
960 return entry; |
|
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 return generate_native_entry(false); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
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963 } |
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964 |
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965 /** |
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966 * Method entry for static native methods: |
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967 * int java.util.zip.CRC32.updateBytes(int crc, byte[] b, int off, int len) |
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968 * int java.util.zip.CRC32.updateByteBuffer(int crc, long buf, int off, int len) |
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969 */ |
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970 address InterpreterGenerator::generate_CRC32_updateBytes_entry(AbstractInterpreter::MethodKind kind) { |
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971 if (UseCRC32Intrinsics) { |
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972 address entry = __ pc(); |
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973 |
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974 // rbx,: Method* |
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975 // r13: senderSP must preserved for slow path, set SP to it on fast path |
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976 |
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977 Label slow_path; |
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978 // If we need a safepoint check, generate full interpreter entry. |
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979 ExternalAddress state(SafepointSynchronize::address_of_state()); |
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980 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
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981 SafepointSynchronize::_not_synchronized); |
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982 __ jcc(Assembler::notEqual, slow_path); |
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983 |
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984 // We don't generate local frame and don't align stack because |
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985 // we call stub code and there is no safepoint on this path. |
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986 |
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987 // Load parameters |
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988 const Register crc = c_rarg0; // crc |
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989 const Register buf = c_rarg1; // source java byte array address |
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990 const Register len = c_rarg2; // length |
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991 const Register off = len; // offset (never overlaps with 'len') |
|
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992 |
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993 // Arguments are reversed on java expression stack |
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994 // Calculate address of start element |
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995 if (kind == Interpreter::java_util_zip_CRC32_updateByteBuffer) { |
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996 __ movptr(buf, Address(rsp, 3*wordSize)); // long buf |
|
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997 __ movl2ptr(off, Address(rsp, 2*wordSize)); // offset |
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998 __ addq(buf, off); // + offset |
|
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999 __ movl(crc, Address(rsp, 5*wordSize)); // Initial CRC |
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1000 } else { |
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1001 __ movptr(buf, Address(rsp, 3*wordSize)); // byte[] array |
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1002 __ addptr(buf, arrayOopDesc::base_offset_in_bytes(T_BYTE)); // + header size |
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1003 __ movl2ptr(off, Address(rsp, 2*wordSize)); // offset |
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1004 __ addq(buf, off); // + offset |
|
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1005 __ movl(crc, Address(rsp, 4*wordSize)); // Initial CRC |
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1006 } |
|
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1007 // Can now load 'len' since we're finished with 'off' |
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1008 __ movl(len, Address(rsp, wordSize)); // Length |
|
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1009 |
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1010 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, StubRoutines::updateBytesCRC32()), crc, buf, len); |
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1011 // result in rax |
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1012 |
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1013 // _areturn |
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1014 __ pop(rdi); // get return address |
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1015 __ mov(rsp, r13); // set sp to sender sp |
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1016 __ jmp(rdi); |
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1017 |
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1018 // generate a vanilla native entry as the slow path |
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1019 __ bind(slow_path); |
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1020 |
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1021 (void) generate_native_entry(false); |
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1022 |
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1023 return entry; |
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1024 } |
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1025 return generate_native_entry(false); |
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1026 } |
|
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1027 |
| 0 | 1028 // Interpreter stub for calling a native method. (asm interpreter) |
| 1029 // This sets up a somewhat different looking stack for calling the | |
| 1030 // native method than the typical interpreter frame setup. | |
| 1031 address InterpreterGenerator::generate_native_entry(bool synchronized) { | |
| 1032 // determine code generation flags | |
| 1033 bool inc_counter = UseCompiler || CountCompiledCalls; | |
| 1034 | |
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1035 // rbx: Method* |
| 0 | 1036 // r13: sender sp |
| 1037 | |
| 1038 address entry_point = __ pc(); | |
| 1039 | |
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1040 const Address constMethod (rbx, Method::const_offset()); |
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1041 const Address access_flags (rbx, Method::access_flags_offset()); |
|
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1042 const Address size_of_parameters(rcx, ConstMethod:: |
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1043 size_of_parameters_offset()); |
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1044 |
| 0 | 1045 |
| 1046 // get parameter size (always needed) | |
|
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1047 __ movptr(rcx, constMethod); |
|
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1048 __ load_unsigned_short(rcx, size_of_parameters); |
| 0 | 1049 |
| 1050 // native calls don't need the stack size check since they have no | |
| 1051 // expression stack and the arguments are already on the stack and | |
| 1052 // we only add a handful of words to the stack | |
| 1053 | |
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1054 // rbx: Method* |
| 0 | 1055 // rcx: size of parameters |
| 1056 // r13: sender sp | |
| 304 | 1057 __ pop(rax); // get return address |
| 0 | 1058 |
| 1059 // for natives the size of locals is zero | |
| 1060 | |
| 1061 // compute beginning of parameters (r14) | |
| 304 | 1062 __ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize)); |
| 0 | 1063 |
| 1064 // add 2 zero-initialized slots for native calls | |
| 1065 // initialize result_handler slot | |
| 304 | 1066 __ push((int) NULL_WORD); |
| 0 | 1067 // slot for oop temp |
| 1068 // (static native method holder mirror/jni oop result) | |
| 304 | 1069 __ push((int) NULL_WORD); |
| 0 | 1070 |
| 1071 // initialize fixed part of activation frame | |
| 1072 generate_fixed_frame(true); | |
| 1073 | |
| 1074 // make sure method is native & not abstract | |
| 1075 #ifdef ASSERT | |
| 1076 __ movl(rax, access_flags); | |
| 1077 { | |
| 1078 Label L; | |
| 1079 __ testl(rax, JVM_ACC_NATIVE); | |
| 1080 __ jcc(Assembler::notZero, L); | |
| 1081 __ stop("tried to execute non-native method as native"); | |
| 1082 __ bind(L); | |
| 1083 } | |
| 1084 { | |
| 1085 Label L; | |
| 1086 __ testl(rax, JVM_ACC_ABSTRACT); | |
| 1087 __ jcc(Assembler::zero, L); | |
| 1088 __ stop("tried to execute abstract method in interpreter"); | |
| 1089 __ bind(L); | |
| 1090 } | |
| 1091 #endif | |
| 1092 | |
| 1093 // Since at this point in the method invocation the exception handler | |
| 1094 // would try to exit the monitor of synchronized methods which hasn't | |
| 1095 // been entered yet, we set the thread local variable | |
| 1096 // _do_not_unlock_if_synchronized to true. The remove_activation will | |
| 1097 // check this flag. | |
| 1098 | |
| 1099 const Address do_not_unlock_if_synchronized(r15_thread, | |
| 1100 in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); | |
| 1101 __ movbool(do_not_unlock_if_synchronized, true); | |
| 1102 | |
| 1103 // increment invocation count & check for overflow | |
| 1104 Label invocation_counter_overflow; | |
| 1105 if (inc_counter) { | |
| 1106 generate_counter_incr(&invocation_counter_overflow, NULL, NULL); | |
| 1107 } | |
| 1108 | |
| 1109 Label continue_after_compile; | |
| 1110 __ bind(continue_after_compile); | |
| 1111 | |
| 1112 bang_stack_shadow_pages(true); | |
| 1113 | |
| 1114 // reset the _do_not_unlock_if_synchronized flag | |
| 1115 __ movbool(do_not_unlock_if_synchronized, false); | |
| 1116 | |
| 1117 // check for synchronized methods | |
| 1118 // Must happen AFTER invocation_counter check and stack overflow check, | |
| 1119 // so method is not locked if overflows. | |
| 1120 if (synchronized) { | |
| 1121 lock_method(); | |
| 1122 } else { | |
| 1123 // no synchronization necessary | |
| 1124 #ifdef ASSERT | |
| 1125 { | |
| 1126 Label L; | |
| 1127 __ movl(rax, access_flags); | |
| 1128 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
| 1129 __ jcc(Assembler::zero, L); | |
| 1130 __ stop("method needs synchronization"); | |
| 1131 __ bind(L); | |
| 1132 } | |
| 1133 #endif | |
| 1134 } | |
| 1135 | |
| 1136 // start execution | |
| 1137 #ifdef ASSERT | |
| 1138 { | |
| 1139 Label L; | |
| 1140 const Address monitor_block_top(rbp, | |
| 1141 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
| 304 | 1142 __ movptr(rax, monitor_block_top); |
| 1143 __ cmpptr(rax, rsp); | |
| 0 | 1144 __ jcc(Assembler::equal, L); |
| 1145 __ stop("broken stack frame setup in interpreter"); | |
| 1146 __ bind(L); | |
| 1147 } | |
| 1148 #endif | |
| 1149 | |
| 1150 // jvmti support | |
| 1151 __ notify_method_entry(); | |
| 1152 | |
| 1153 // work registers | |
| 1154 const Register method = rbx; | |
|
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1155 const Register t = r11; |
| 0 | 1156 |
| 1157 // allocate space for parameters | |
| 1158 __ get_method(method); | |
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1159 __ movptr(t, Address(method, Method::const_offset())); |
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1160 __ load_unsigned_short(t, Address(t, ConstMethod::size_of_parameters_offset())); |
| 1506 | 1161 __ shll(t, Interpreter::logStackElementSize); |
| 0 | 1162 |
| 304 | 1163 __ subptr(rsp, t); |
| 1164 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows | |
| 605 | 1165 __ andptr(rsp, -16); // must be 16 byte boundary (see amd64 ABI) |
| 0 | 1166 |
| 1167 // get signature handler | |
| 1168 { | |
| 1169 Label L; | |
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1170 __ movptr(t, Address(method, Method::signature_handler_offset())); |
| 304 | 1171 __ testptr(t, t); |
| 0 | 1172 __ jcc(Assembler::notZero, L); |
| 1173 __ call_VM(noreg, | |
| 1174 CAST_FROM_FN_PTR(address, | |
| 1175 InterpreterRuntime::prepare_native_call), | |
| 1176 method); | |
| 1177 __ get_method(method); | |
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1178 __ movptr(t, Address(method, Method::signature_handler_offset())); |
| 0 | 1179 __ bind(L); |
| 1180 } | |
| 1181 | |
| 1182 // call signature handler | |
| 1183 assert(InterpreterRuntime::SignatureHandlerGenerator::from() == r14, | |
| 1184 "adjust this code"); | |
| 1185 assert(InterpreterRuntime::SignatureHandlerGenerator::to() == rsp, | |
| 1186 "adjust this code"); | |
| 1187 assert(InterpreterRuntime::SignatureHandlerGenerator::temp() == rscratch1, | |
| 1188 "adjust this code"); | |
| 1189 | |
| 1190 // The generated handlers do not touch RBX (the method oop). | |
| 1191 // However, large signatures cannot be cached and are generated | |
| 1192 // each time here. The slow-path generator can do a GC on return, | |
| 1193 // so we must reload it after the call. | |
| 1194 __ call(t); | |
| 1195 __ get_method(method); // slow path can do a GC, reload RBX | |
| 1196 | |
| 1197 | |
| 1198 // result handler is in rax | |
| 1199 // set result handler | |
| 304 | 1200 __ movptr(Address(rbp, |
| 1201 (frame::interpreter_frame_result_handler_offset) * wordSize), | |
| 1202 rax); | |
| 0 | 1203 |
| 1204 // pass mirror handle if static call | |
| 1205 { | |
| 1206 Label L; | |
|
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1207 const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
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1208 __ movl(t, Address(method, Method::access_flags_offset())); |
| 0 | 1209 __ testl(t, JVM_ACC_STATIC); |
| 1210 __ jcc(Assembler::zero, L); | |
| 1211 // get mirror | |
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1212 __ movptr(t, Address(method, Method::const_offset())); |
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1213 __ movptr(t, Address(t, ConstMethod::constants_offset())); |
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1214 __ movptr(t, Address(t, ConstantPool::pool_holder_offset_in_bytes())); |
| 304 | 1215 __ movptr(t, Address(t, mirror_offset)); |
| 0 | 1216 // copy mirror into activation frame |
| 304 | 1217 __ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize), |
| 0 | 1218 t); |
| 1219 // pass handle to mirror | |
| 304 | 1220 __ lea(c_rarg1, |
| 1221 Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize)); | |
| 0 | 1222 __ bind(L); |
| 1223 } | |
| 1224 | |
| 1225 // get native function entry point | |
| 1226 { | |
| 1227 Label L; | |
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1228 __ movptr(rax, Address(method, Method::native_function_offset())); |
| 0 | 1229 ExternalAddress unsatisfied(SharedRuntime::native_method_throw_unsatisfied_link_error_entry()); |
| 1230 __ movptr(rscratch2, unsatisfied.addr()); | |
| 304 | 1231 __ cmpptr(rax, rscratch2); |
| 0 | 1232 __ jcc(Assembler::notEqual, L); |
| 1233 __ call_VM(noreg, | |
| 1234 CAST_FROM_FN_PTR(address, | |
| 1235 InterpreterRuntime::prepare_native_call), | |
| 1236 method); | |
| 1237 __ get_method(method); | |
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1238 __ movptr(rax, Address(method, Method::native_function_offset())); |
| 0 | 1239 __ bind(L); |
| 1240 } | |
| 1241 | |
| 1242 // pass JNIEnv | |
| 304 | 1243 __ lea(c_rarg0, Address(r15_thread, JavaThread::jni_environment_offset())); |
| 0 | 1244 |
| 1245 // It is enough that the pc() points into the right code | |
| 1246 // segment. It does not have to be the correct return pc. | |
| 1247 __ set_last_Java_frame(rsp, rbp, (address) __ pc()); | |
| 1248 | |
| 1249 // change thread state | |
| 1250 #ifdef ASSERT | |
| 1251 { | |
| 1252 Label L; | |
| 1253 __ movl(t, Address(r15_thread, JavaThread::thread_state_offset())); | |
| 1254 __ cmpl(t, _thread_in_Java); | |
| 1255 __ jcc(Assembler::equal, L); | |
| 1256 __ stop("Wrong thread state in native stub"); | |
| 1257 __ bind(L); | |
| 1258 } | |
| 1259 #endif | |
| 1260 | |
| 1261 // Change state to native | |
| 1262 | |
| 1263 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), | |
| 1264 _thread_in_native); | |
| 1265 | |
| 1266 // Call the native method. | |
| 1267 __ call(rax); | |
| 1268 // result potentially in rax or xmm0 | |
| 1269 | |
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1270 // Verify or restore cpu control state after JNI call |
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1271 __ restore_cpu_control_state_after_jni(); |
| 0 | 1272 |
| 1273 // NOTE: The order of these pushes is known to frame::interpreter_frame_result | |
| 1274 // in order to extract the result of a method call. If the order of these | |
| 1275 // pushes change or anything else is added to the stack then the code in | |
| 1276 // interpreter_frame_result must also change. | |
| 1277 | |
| 1278 __ push(dtos); | |
| 1279 __ push(ltos); | |
| 1280 | |
| 1281 // change thread state | |
| 1282 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), | |
| 1283 _thread_in_native_trans); | |
| 1284 | |
| 1285 if (os::is_MP()) { | |
| 1286 if (UseMembar) { | |
| 1287 // Force this write out before the read below | |
| 1288 __ membar(Assembler::Membar_mask_bits( | |
| 1289 Assembler::LoadLoad | Assembler::LoadStore | | |
| 1290 Assembler::StoreLoad | Assembler::StoreStore)); | |
| 1291 } else { | |
| 1292 // Write serialization page so VM thread can do a pseudo remote membar. | |
| 1293 // We use the current thread pointer to calculate a thread specific | |
| 1294 // offset to write to within the page. This minimizes bus traffic | |
| 1295 // due to cache line collision. | |
| 1296 __ serialize_memory(r15_thread, rscratch2); | |
| 1297 } | |
| 1298 } | |
| 1299 | |
| 1300 // check for safepoint operation in progress and/or pending suspend requests | |
| 1301 { | |
| 1302 Label Continue; | |
| 1303 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), | |
| 1304 SafepointSynchronize::_not_synchronized); | |
| 1305 | |
| 1306 Label L; | |
| 1307 __ jcc(Assembler::notEqual, L); | |
| 1308 __ cmpl(Address(r15_thread, JavaThread::suspend_flags_offset()), 0); | |
| 1309 __ jcc(Assembler::equal, Continue); | |
| 1310 __ bind(L); | |
| 1311 | |
| 1312 // Don't use call_VM as it will see a possible pending exception | |
| 1313 // and forward it and never return here preventing us from | |
| 1314 // clearing _last_native_pc down below. Also can't use | |
| 1315 // call_VM_leaf either as it will check to see if r13 & r14 are | |
| 1316 // preserved and correspond to the bcp/locals pointers. So we do a | |
| 1317 // runtime call by hand. | |
| 1318 // | |
| 304 | 1319 __ mov(c_rarg0, r15_thread); |
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1320 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
| 304 | 1321 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
| 1322 __ andptr(rsp, -16); // align stack as required by ABI | |
| 0 | 1323 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, JavaThread::check_special_condition_for_native_trans))); |
| 304 | 1324 __ mov(rsp, r12); // restore sp |
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1325 __ reinit_heapbase(); |
| 0 | 1326 __ bind(Continue); |
| 1327 } | |
| 1328 | |
| 1329 // change thread state | |
| 1330 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), _thread_in_Java); | |
| 1331 | |
| 1332 // reset_last_Java_frame | |
| 1333 __ reset_last_Java_frame(true, true); | |
| 1334 | |
| 1335 // reset handle block | |
| 304 | 1336 __ movptr(t, Address(r15_thread, JavaThread::active_handles_offset())); |
| 1337 __ movptr(Address(t, JNIHandleBlock::top_offset_in_bytes()), (int32_t)NULL_WORD); | |
| 0 | 1338 |
| 1339 // If result is an oop unbox and store it in frame where gc will see it | |
| 1340 // and result handler will pick it up | |
| 1341 | |
| 1342 { | |
| 1343 Label no_oop, store_result; | |
| 1344 __ lea(t, ExternalAddress(AbstractInterpreter::result_handler(T_OBJECT))); | |
| 304 | 1345 __ cmpptr(t, Address(rbp, frame::interpreter_frame_result_handler_offset*wordSize)); |
| 0 | 1346 __ jcc(Assembler::notEqual, no_oop); |
| 1347 // retrieve result | |
| 1348 __ pop(ltos); | |
| 304 | 1349 __ testptr(rax, rax); |
| 0 | 1350 __ jcc(Assembler::zero, store_result); |
| 304 | 1351 __ movptr(rax, Address(rax, 0)); |
| 0 | 1352 __ bind(store_result); |
| 304 | 1353 __ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize), rax); |
| 0 | 1354 // keep stack depth as expected by pushing oop which will eventually be discarde |
| 1355 __ push(ltos); | |
| 1356 __ bind(no_oop); | |
| 1357 } | |
| 1358 | |
| 1359 | |
| 1360 { | |
| 1361 Label no_reguard; | |
| 1362 __ cmpl(Address(r15_thread, JavaThread::stack_guard_state_offset()), | |
| 1363 JavaThread::stack_guard_yellow_disabled); | |
| 1364 __ jcc(Assembler::notEqual, no_reguard); | |
| 1365 | |
| 304 | 1366 __ pusha(); // XXX only save smashed registers |
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1367 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
| 304 | 1368 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
| 1369 __ andptr(rsp, -16); // align stack as required by ABI | |
| 0 | 1370 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::reguard_yellow_pages))); |
| 304 | 1371 __ mov(rsp, r12); // restore sp |
| 1372 __ popa(); // XXX only restore smashed registers | |
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1373 __ reinit_heapbase(); |
| 0 | 1374 |
| 1375 __ bind(no_reguard); | |
| 1376 } | |
| 1377 | |
| 1378 | |
| 1379 // The method register is junk from after the thread_in_native transition | |
| 1380 // until here. Also can't call_VM until the bcp has been | |
| 1381 // restored. Need bcp for throwing exception below so get it now. | |
| 1382 __ get_method(method); | |
| 1383 | |
| 1384 // restore r13 to have legal interpreter frame, i.e., bci == 0 <=> | |
| 1385 // r13 == code_base() | |
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1386 __ movptr(r13, Address(method, Method::const_offset())); // get ConstMethod* |
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1387 __ lea(r13, Address(r13, ConstMethod::codes_offset())); // get codebase |
| 0 | 1388 // handle exceptions (exception handling will handle unlocking!) |
| 1389 { | |
| 1390 Label L; | |
| 304 | 1391 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
| 0 | 1392 __ jcc(Assembler::zero, L); |
| 1393 // Note: At some point we may want to unify this with the code | |
| 1394 // used in call_VM_base(); i.e., we should use the | |
| 1395 // StubRoutines::forward_exception code. For now this doesn't work | |
| 1396 // here because the rsp is not correctly set at this point. | |
| 1397 __ MacroAssembler::call_VM(noreg, | |
| 1398 CAST_FROM_FN_PTR(address, | |
| 1399 InterpreterRuntime::throw_pending_exception)); | |
| 1400 __ should_not_reach_here(); | |
| 1401 __ bind(L); | |
| 1402 } | |
| 1403 | |
| 1404 // do unlocking if necessary | |
| 1405 { | |
| 1406 Label L; | |
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1407 __ movl(t, Address(method, Method::access_flags_offset())); |
| 0 | 1408 __ testl(t, JVM_ACC_SYNCHRONIZED); |
| 1409 __ jcc(Assembler::zero, L); | |
| 1410 // the code below should be shared with interpreter macro | |
| 1411 // assembler implementation | |
| 1412 { | |
| 1413 Label unlock; | |
| 1414 // BasicObjectLock will be first in list, since this is a | |
| 1415 // synchronized method. However, need to check that the object | |
| 1416 // has not been unlocked by an explicit monitorexit bytecode. | |
| 1417 const Address monitor(rbp, | |
| 1418 (intptr_t)(frame::interpreter_frame_initial_sp_offset * | |
| 1419 wordSize - sizeof(BasicObjectLock))); | |
| 1420 | |
| 1421 // monitor expect in c_rarg1 for slow unlock path | |
| 304 | 1422 __ lea(c_rarg1, monitor); // address of first monitor |
| 0 | 1423 |
| 304 | 1424 __ movptr(t, Address(c_rarg1, BasicObjectLock::obj_offset_in_bytes())); |
| 1425 __ testptr(t, t); | |
| 0 | 1426 __ jcc(Assembler::notZero, unlock); |
| 1427 | |
| 1428 // Entry already unlocked, need to throw exception | |
| 1429 __ MacroAssembler::call_VM(noreg, | |
| 1430 CAST_FROM_FN_PTR(address, | |
| 1431 InterpreterRuntime::throw_illegal_monitor_state_exception)); | |
| 1432 __ should_not_reach_here(); | |
| 1433 | |
| 1434 __ bind(unlock); | |
| 1435 __ unlock_object(c_rarg1); | |
| 1436 } | |
| 1437 __ bind(L); | |
| 1438 } | |
| 1439 | |
| 1440 // jvmti support | |
| 1441 // Note: This must happen _after_ handling/throwing any exceptions since | |
| 1442 // the exception handler code notifies the runtime of method exits | |
| 1443 // too. If this happens before, method entry/exit notifications are | |
| 1444 // not properly paired (was bug - gri 11/22/99). | |
| 1445 __ notify_method_exit(vtos, InterpreterMacroAssembler::NotifyJVMTI); | |
| 1446 | |
| 1447 // restore potential result in edx:eax, call result handler to | |
| 1448 // restore potential result in ST0 & handle result | |
| 1449 | |
| 1450 __ pop(ltos); | |
| 1451 __ pop(dtos); | |
| 1452 | |
| 304 | 1453 __ movptr(t, Address(rbp, |
| 1454 (frame::interpreter_frame_result_handler_offset) * wordSize)); | |
| 0 | 1455 __ call(t); |
| 1456 | |
| 1457 // remove activation | |
| 304 | 1458 __ movptr(t, Address(rbp, |
| 1459 frame::interpreter_frame_sender_sp_offset * | |
| 1460 wordSize)); // get sender sp | |
| 0 | 1461 __ leave(); // remove frame anchor |
| 304 | 1462 __ pop(rdi); // get return address |
| 1463 __ mov(rsp, t); // set sp to sender sp | |
| 0 | 1464 __ jmp(rdi); |
| 1465 | |
| 1466 if (inc_counter) { | |
| 1467 // Handle overflow of counter and compile method | |
| 1468 __ bind(invocation_counter_overflow); | |
| 1469 generate_counter_overflow(&continue_after_compile); | |
| 1470 } | |
| 1471 | |
| 1472 return entry_point; | |
| 1473 } | |
| 1474 | |
| 1475 // | |
| 1476 // Generic interpreted method entry to (asm) interpreter | |
| 1477 // | |
| 1478 address InterpreterGenerator::generate_normal_entry(bool synchronized) { | |
| 1479 // determine code generation flags | |
| 1480 bool inc_counter = UseCompiler || CountCompiledCalls; | |
| 1481 | |
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1482 // ebx: Method* |
| 0 | 1483 // r13: sender sp |
| 1484 address entry_point = __ pc(); | |
| 1485 | |
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1486 const Address constMethod(rbx, Method::const_offset()); |
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1487 const Address access_flags(rbx, Method::access_flags_offset()); |
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1488 const Address size_of_parameters(rdx, |
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1489 ConstMethod::size_of_parameters_offset()); |
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1490 const Address size_of_locals(rdx, ConstMethod::size_of_locals_offset()); |
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1491 |
| 0 | 1492 |
| 1493 // get parameter size (always needed) | |
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1494 __ movptr(rdx, constMethod); |
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1495 __ load_unsigned_short(rcx, size_of_parameters); |
| 0 | 1496 |
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1497 // rbx: Method* |
| 0 | 1498 // rcx: size of parameters |
| 1499 // r13: sender_sp (could differ from sp+wordSize if we were called via c2i ) | |
| 1500 | |
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1501 __ load_unsigned_short(rdx, size_of_locals); // get size of locals in words |
| 0 | 1502 __ subl(rdx, rcx); // rdx = no. of additional locals |
| 1503 | |
| 1504 // YYY | |
| 1505 // __ incrementl(rdx); | |
| 1506 // __ andl(rdx, -2); | |
| 1507 | |
| 1508 // see if we've got enough room on the stack for locals plus overhead. | |
| 1509 generate_stack_overflow_check(); | |
| 1510 | |
| 1511 // get return address | |
| 304 | 1512 __ pop(rax); |
| 0 | 1513 |
| 1514 // compute beginning of parameters (r14) | |
| 304 | 1515 __ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize)); |
| 0 | 1516 |
| 1517 // rdx - # of additional locals | |
| 1518 // allocate space for locals | |
| 1519 // explicitly initialize locals | |
| 1520 { | |
| 1521 Label exit, loop; | |
| 1522 __ testl(rdx, rdx); | |
| 1523 __ jcc(Assembler::lessEqual, exit); // do nothing if rdx <= 0 | |
| 1524 __ bind(loop); | |
| 304 | 1525 __ push((int) NULL_WORD); // initialize local variables |
| 0 | 1526 __ decrementl(rdx); // until everything initialized |
| 1527 __ jcc(Assembler::greater, loop); | |
| 1528 __ bind(exit); | |
| 1529 } | |
| 1530 | |
| 1531 // initialize fixed part of activation frame | |
| 1532 generate_fixed_frame(false); | |
| 1533 | |
| 1534 // make sure method is not native & not abstract | |
| 1535 #ifdef ASSERT | |
| 1536 __ movl(rax, access_flags); | |
| 1537 { | |
| 1538 Label L; | |
| 1539 __ testl(rax, JVM_ACC_NATIVE); | |
| 1540 __ jcc(Assembler::zero, L); | |
| 1541 __ stop("tried to execute native method as non-native"); | |
| 1542 __ bind(L); | |
| 1543 } | |
| 1544 { | |
| 1545 Label L; | |
| 1546 __ testl(rax, JVM_ACC_ABSTRACT); | |
| 1547 __ jcc(Assembler::zero, L); | |
| 1548 __ stop("tried to execute abstract method in interpreter"); | |
| 1549 __ bind(L); | |
| 1550 } | |
| 1551 #endif | |
| 1552 | |
| 1553 // Since at this point in the method invocation the exception | |
| 1554 // handler would try to exit the monitor of synchronized methods | |
| 1555 // which hasn't been entered yet, we set the thread local variable | |
| 1556 // _do_not_unlock_if_synchronized to true. The remove_activation | |
| 1557 // will check this flag. | |
| 1558 | |
| 1559 const Address do_not_unlock_if_synchronized(r15_thread, | |
| 1560 in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); | |
| 1561 __ movbool(do_not_unlock_if_synchronized, true); | |
| 1562 | |
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1563 __ profile_parameters_type(rax, rcx, rdx); |
| 0 | 1564 // increment invocation count & check for overflow |
| 1565 Label invocation_counter_overflow; | |
| 1566 Label profile_method; | |
| 1567 Label profile_method_continue; | |
| 1568 if (inc_counter) { | |
| 1569 generate_counter_incr(&invocation_counter_overflow, | |
| 1570 &profile_method, | |
| 1571 &profile_method_continue); | |
| 1572 if (ProfileInterpreter) { | |
| 1573 __ bind(profile_method_continue); | |
| 1574 } | |
| 1575 } | |
| 1576 | |
| 1577 Label continue_after_compile; | |
| 1578 __ bind(continue_after_compile); | |
| 1579 | |
| 1580 // check for synchronized interpreted methods | |
| 1581 bang_stack_shadow_pages(false); | |
| 1582 | |
| 1583 // reset the _do_not_unlock_if_synchronized flag | |
| 1584 __ movbool(do_not_unlock_if_synchronized, false); | |
| 1585 | |
| 1586 // check for synchronized methods | |
| 1587 // Must happen AFTER invocation_counter check and stack overflow check, | |
| 1588 // so method is not locked if overflows. | |
| 1589 if (synchronized) { | |
| 1590 // Allocate monitor and lock method | |
| 1591 lock_method(); | |
| 1592 } else { | |
| 1593 // no synchronization necessary | |
| 1594 #ifdef ASSERT | |
| 1595 { | |
| 1596 Label L; | |
| 1597 __ movl(rax, access_flags); | |
| 1598 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
| 1599 __ jcc(Assembler::zero, L); | |
| 1600 __ stop("method needs synchronization"); | |
| 1601 __ bind(L); | |
| 1602 } | |
| 1603 #endif | |
| 1604 } | |
| 1605 | |
| 1606 // start execution | |
| 1607 #ifdef ASSERT | |
| 1608 { | |
| 1609 Label L; | |
| 1610 const Address monitor_block_top (rbp, | |
| 1611 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
| 304 | 1612 __ movptr(rax, monitor_block_top); |
| 1613 __ cmpptr(rax, rsp); | |
| 0 | 1614 __ jcc(Assembler::equal, L); |
| 1615 __ stop("broken stack frame setup in interpreter"); | |
| 1616 __ bind(L); | |
| 1617 } | |
| 1618 #endif | |
| 1619 | |
| 1620 // jvmti support | |
| 1621 __ notify_method_entry(); | |
| 1622 | |
| 1623 __ dispatch_next(vtos); | |
| 1624 | |
| 1625 // invocation counter overflow | |
| 1626 if (inc_counter) { | |
| 1627 if (ProfileInterpreter) { | |
| 1628 // We have decided to profile this method in the interpreter | |
| 1629 __ bind(profile_method); | |
|
2118
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1976
diff
changeset
|
1630 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::profile_method)); |
|
dd031b2226de
4930919: race condition in MDO creation at back branch locations
iveresov
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1976
diff
changeset
|
1631 __ set_method_data_pointer_for_bcp(); |
|
2141
b599a4c6c2df
7012766: assert(false) failed: DEBUG MESSAGE in MacroAssembler::debug32
iveresov
parents:
2118
diff
changeset
|
1632 __ get_method(rbx); |
| 0 | 1633 __ jmp(profile_method_continue); |
| 1634 } | |
| 1635 // Handle overflow of counter and compile method | |
| 1636 __ bind(invocation_counter_overflow); | |
| 1637 generate_counter_overflow(&continue_after_compile); | |
| 1638 } | |
| 1639 | |
| 1640 return entry_point; | |
| 1641 } | |
| 1642 | |
| 1643 // Entry points | |
| 1644 // | |
| 1645 // Here we generate the various kind of entries into the interpreter. | |
| 1646 // The two main entry type are generic bytecode methods and native | |
| 1647 // call method. These both come in synchronized and non-synchronized | |
| 1648 // versions but the frame layout they create is very similar. The | |
| 1649 // other method entry types are really just special purpose entries | |
| 1650 // that are really entry and interpretation all in one. These are for | |
| 1651 // trivial methods like accessor, empty, or special math methods. | |
| 1652 // | |
| 1653 // When control flow reaches any of the entry types for the interpreter | |
| 1654 // the following holds -> | |
| 1655 // | |
| 1656 // Arguments: | |
| 1657 // | |
|
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diff
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|
1658 // rbx: Method* |
| 0 | 1659 // |
| 1660 // Stack layout immediately at entry | |
| 1661 // | |
| 1662 // [ return address ] <--- rsp | |
| 1663 // [ parameter n ] | |
| 1664 // ... | |
| 1665 // [ parameter 1 ] | |
| 1666 // [ expression stack ] (caller's java expression stack) | |
| 1667 | |
| 1668 // Assuming that we don't go to one of the trivial specialized entries | |
| 1669 // the stack will look like below when we are ready to execute the | |
| 1670 // first bytecode (or call the native routine). The register usage | |
| 1671 // will be as the template based interpreter expects (see | |
| 1672 // interpreter_amd64.hpp). | |
| 1673 // | |
| 1674 // local variables follow incoming parameters immediately; i.e. | |
| 1675 // the return address is moved to the end of the locals). | |
| 1676 // | |
| 1677 // [ monitor entry ] <--- rsp | |
| 1678 // ... | |
| 1679 // [ monitor entry ] | |
| 1680 // [ expr. stack bottom ] | |
| 1681 // [ saved r13 ] | |
| 1682 // [ current r14 ] | |
|
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|
1683 // [ Method* ] |
| 0 | 1684 // [ saved ebp ] <--- rbp |
| 1685 // [ return address ] | |
| 1686 // [ local variable m ] | |
| 1687 // ... | |
| 1688 // [ local variable 1 ] | |
| 1689 // [ parameter n ] | |
| 1690 // ... | |
| 1691 // [ parameter 1 ] <--- r14 | |
| 1692 | |
| 1693 address AbstractInterpreterGenerator::generate_method_entry( | |
| 1694 AbstractInterpreter::MethodKind kind) { | |
| 1695 // determine code generation flags | |
| 1696 bool synchronized = false; | |
| 1697 address entry_point = NULL; | |
|
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diff
changeset
|
1698 InterpreterGenerator* ig_this = (InterpreterGenerator*)this; |
| 0 | 1699 |
| 1700 switch (kind) { | |
|
11080
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|
1701 case Interpreter::zerolocals : break; |
|
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10393
diff
changeset
|
1702 case Interpreter::zerolocals_synchronized: synchronized = true; break; |
|
9046
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Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
1703 #ifdef GRAAL |
|
11173
6b0fd0964b87
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
1704 case Interpreter::execute_compiled_method: entry_point = ig_this->generate_execute_compiled_method_entry(); break; |
|
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
|
1705 #endif |
|
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diff
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|
1706 case Interpreter::native : entry_point = ig_this->generate_native_entry(false); break; |
|
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|
1707 case Interpreter::native_synchronized : entry_point = ig_this->generate_native_entry(true); break; |
|
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changeset
|
1708 case Interpreter::empty : entry_point = ig_this->generate_empty_entry(); break; |
|
b800986664f4
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changeset
|
1709 case Interpreter::accessor : entry_point = ig_this->generate_accessor_entry(); break; |
|
b800986664f4
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drchase
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changeset
|
1710 case Interpreter::abstract : entry_point = ig_this->generate_abstract_entry(); break; |
|
706
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
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diff
changeset
|
1711 |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
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diff
changeset
|
1712 case Interpreter::java_lang_math_sin : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
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diff
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|
1713 case Interpreter::java_lang_math_cos : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
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diff
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|
1714 case Interpreter::java_lang_math_tan : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
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diff
changeset
|
1715 case Interpreter::java_lang_math_abs : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
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|
1716 case Interpreter::java_lang_math_log : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
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diff
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|
1717 case Interpreter::java_lang_math_log10 : // fall thru |
|
6084
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7133857: exp() and pow() should use the x87 ISA on x86
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diff
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|
1718 case Interpreter::java_lang_math_sqrt : // fall thru |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
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diff
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|
1719 case Interpreter::java_lang_math_pow : // fall thru |
|
11080
b800986664f4
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drchase
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changeset
|
1720 case Interpreter::java_lang_math_exp : entry_point = ig_this->generate_math_entry(kind); break; |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
1721 case Interpreter::java_lang_ref_reference_get |
|
11080
b800986664f4
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|
1722 : entry_point = ig_this->generate_Reference_get_entry(); break; |
|
b800986664f4
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|
1723 case Interpreter::java_util_zip_CRC32_update |
|
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7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
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changeset
|
1724 : entry_point = ig_this->generate_CRC32_update_entry(); break; |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
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|
1725 case Interpreter::java_util_zip_CRC32_updateBytes |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
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diff
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|
1726 : // fall thru |
|
b800986664f4
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drchase
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diff
changeset
|
1727 case Interpreter::java_util_zip_CRC32_updateByteBuffer |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
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diff
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|
1728 : entry_point = ig_this->generate_CRC32_updateBytes_entry(kind); break; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6123
diff
changeset
|
1729 default: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff
changeset
|
1730 fatal(err_msg("unexpected method kind: %d", kind)); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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changeset
|
1731 break; |
| 0 | 1732 } |
| 1733 | |
| 1734 if (entry_point) { | |
| 1735 return entry_point; | |
| 1736 } | |
| 1737 | |
|
11080
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10393
diff
changeset
|
1738 return ig_this->generate_normal_entry(synchronized); |
| 0 | 1739 } |
| 1740 | |
|
1174
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
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diff
changeset
|
1741 // These should never be compiled since the interpreter will prefer |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1742 // the compiled version to the intrinsic version. |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1743 bool AbstractInterpreter::can_be_compiled(methodHandle m) { |
|
ddb7834449d0
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never
parents:
1135
diff
changeset
|
1744 switch (method_kind(m)) { |
|
ddb7834449d0
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never
parents:
1135
diff
changeset
|
1745 case Interpreter::java_lang_math_sin : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
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diff
changeset
|
1746 case Interpreter::java_lang_math_cos : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1747 case Interpreter::java_lang_math_tan : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
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diff
changeset
|
1748 case Interpreter::java_lang_math_abs : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1749 case Interpreter::java_lang_math_log : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1750 case Interpreter::java_lang_math_log10 : // fall thru |
|
6084
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
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4771
diff
changeset
|
1751 case Interpreter::java_lang_math_sqrt : // fall thru |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
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4771
diff
changeset
|
1752 case Interpreter::java_lang_math_pow : // fall thru |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
4771
diff
changeset
|
1753 case Interpreter::java_lang_math_exp : |
|
1174
ddb7834449d0
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never
parents:
1135
diff
changeset
|
1754 return false; |
|
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parents:
1135
diff
changeset
|
1755 default: |
|
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parents:
1135
diff
changeset
|
1756 return true; |
|
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diff
changeset
|
1757 } |
|
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1135
diff
changeset
|
1758 } |
|
ddb7834449d0
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diff
changeset
|
1759 |
| 0 | 1760 // How much stack a method activation needs in words. |
|
6725
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coleenp
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diff
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|
1761 int AbstractInterpreter::size_top_interpreter_activation(Method* method) { |
| 0 | 1762 const int entry_size = frame::interpreter_frame_monitor_size(); |
| 1763 | |
| 1764 // total overhead size: entry_size + (saved rbp thru expr stack | |
| 1765 // bottom). be sure to change this if you add/subtract anything | |
| 1766 // to/from the overhead area | |
| 1767 const int overhead_size = | |
| 1768 -(frame::interpreter_frame_initial_sp_offset) + entry_size; | |
| 1769 | |
| 1770 const int stub_code = frame::entry_frame_after_call_words; | |
|
10393
603ca7e51354
8010460: Interpreter on some platforms loads ConstMethod::_max_stack and misses extra stack slots for JSR 292
roland
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10141
diff
changeset
|
1771 const int method_stack = (method->max_locals() + method->max_stack()) * |
| 1506 | 1772 Interpreter::stackElementWords; |
| 0 | 1773 return (overhead_size + method_stack + stub_code); |
| 1774 } | |
| 1775 | |
|
6725
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6266
diff
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|
1776 int AbstractInterpreter::layout_activation(Method* method, |
| 0 | 1777 int tempcount, |
| 1778 int popframe_extra_args, | |
| 1779 int moncount, | |
|
3369
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
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3252
diff
changeset
|
1780 int caller_actual_parameters, |
| 0 | 1781 int callee_param_count, |
| 1782 int callee_locals, | |
| 1783 frame* caller, | |
| 1784 frame* interpreter_frame, | |
|
8727
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8009761: Deoptimization on sparc doesn't set Llast_SP correctly in the interpreter frames it creates
roland
parents:
8001
diff
changeset
|
1785 bool is_top_frame, |
|
0094485b46c7
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roland
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8001
diff
changeset
|
1786 bool is_bottom_frame) { |
| 0 | 1787 // Note: This calculation must exactly parallel the frame setup |
| 1788 // in AbstractInterpreterGenerator::generate_method_entry. | |
| 1789 // If interpreter_frame!=NULL, set up the method, locals, and monitors. | |
| 1790 // The frame interpreter_frame, if not NULL, is guaranteed to be the | |
| 1791 // right size, as determined by a previous call to this method. | |
| 1792 // It is also guaranteed to be walkable even though it is in a skeletal state | |
| 1793 | |
| 1794 // fixed size of an interpreter frame: | |
| 1506 | 1795 int max_locals = method->max_locals() * Interpreter::stackElementWords; |
| 0 | 1796 int extra_locals = (method->max_locals() - method->size_of_parameters()) * |
| 1506 | 1797 Interpreter::stackElementWords; |
| 0 | 1798 |
| 1799 int overhead = frame::sender_sp_offset - | |
| 1800 frame::interpreter_frame_initial_sp_offset; | |
| 1801 // Our locals were accounted for by the caller (or last_frame_adjust | |
| 1802 // on the transistion) Since the callee parameters already account | |
| 1803 // for the callee's params we only need to account for the extra | |
| 1804 // locals. | |
| 1805 int size = overhead + | |
| 1506 | 1806 (callee_locals - callee_param_count)*Interpreter::stackElementWords + |
| 0 | 1807 moncount * frame::interpreter_frame_monitor_size() + |
| 1506 | 1808 tempcount* Interpreter::stackElementWords + popframe_extra_args; |
| 0 | 1809 if (interpreter_frame != NULL) { |
| 1810 #ifdef ASSERT | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
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2245
diff
changeset
|
1811 if (!EnableInvokeDynamic) |
|
1135
e66fd840cb6b
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1108
diff
changeset
|
1812 // @@@ FIXME: Should we correct interpreter_frame_sender_sp in the calling sequences? |
|
e66fd840cb6b
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twisti
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1108
diff
changeset
|
1813 // Probably, since deoptimization doesn't work yet. |
|
e66fd840cb6b
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twisti
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1108
diff
changeset
|
1814 assert(caller->unextended_sp() == interpreter_frame->interpreter_frame_sender_sp(), "Frame not properly walkable"); |
| 0 | 1815 assert(caller->sp() == interpreter_frame->sender_sp(), "Frame not properly walkable(2)"); |
| 1816 #endif | |
| 1817 | |
| 1818 interpreter_frame->interpreter_frame_set_method(method); | |
| 1819 // NOTE the difference in using sender_sp and | |
| 1820 // interpreter_frame_sender_sp interpreter_frame_sender_sp is | |
| 1821 // the original sp of the caller (the unextended_sp) and | |
| 1822 // sender_sp is fp+16 XXX | |
| 1823 intptr_t* locals = interpreter_frame->sender_sp() + max_locals - 1; | |
| 1824 | |
|
4042
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7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
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3451
diff
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|
1825 #ifdef ASSERT |
|
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
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3451
diff
changeset
|
1826 if (caller->is_interpreted_frame()) { |
|
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
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3451
diff
changeset
|
1827 assert(locals < caller->fp() + frame::interpreter_frame_initial_sp_offset, "bad placement"); |
|
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
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3451
diff
changeset
|
1828 } |
|
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
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3451
diff
changeset
|
1829 #endif |
|
b20d64f83668
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twisti
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3451
diff
changeset
|
1830 |
| 0 | 1831 interpreter_frame->interpreter_frame_set_locals(locals); |
| 1832 BasicObjectLock* montop = interpreter_frame->interpreter_frame_monitor_begin(); | |
| 1833 BasicObjectLock* monbot = montop - moncount; | |
| 1834 interpreter_frame->interpreter_frame_set_monitor_end(monbot); | |
| 1835 | |
| 1836 // Set last_sp | |
| 1837 intptr_t* esp = (intptr_t*) monbot - | |
| 1506 | 1838 tempcount*Interpreter::stackElementWords - |
| 0 | 1839 popframe_extra_args; |
| 1840 interpreter_frame->interpreter_frame_set_last_sp(esp); | |
| 1841 | |
| 1842 // All frames but the initial (oldest) interpreter frame we fill in have | |
| 1843 // a value for sender_sp that allows walking the stack but isn't | |
| 1844 // truly correct. Correct the value here. | |
| 1845 if (extra_locals != 0 && | |
| 1846 interpreter_frame->sender_sp() == | |
| 1847 interpreter_frame->interpreter_frame_sender_sp()) { | |
| 1848 interpreter_frame->set_interpreter_frame_sender_sp(caller->sp() + | |
| 1849 extra_locals); | |
| 1850 } | |
| 1851 *interpreter_frame->interpreter_frame_cache_addr() = | |
| 1852 method->constants()->cache(); | |
| 1853 } | |
| 1854 return size; | |
| 1855 } | |
| 1856 | |
| 1857 //----------------------------------------------------------------------------- | |
| 1858 // Exceptions | |
| 1859 | |
| 1860 void TemplateInterpreterGenerator::generate_throw_exception() { | |
| 1861 // Entry point in previous activation (i.e., if the caller was | |
| 1862 // interpreted) | |
| 1863 Interpreter::_rethrow_exception_entry = __ pc(); | |
| 1864 // Restore sp to interpreter_frame_last_sp even though we are going | |
| 1865 // to empty the expression stack for the exception processing. | |
| 304 | 1866 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 1867 // rax: exception |
| 1868 // rdx: return address/pc that threw exception | |
| 1869 __ restore_bcp(); // r13 points to call/send | |
| 1870 __ restore_locals(); | |
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1871 __ reinit_heapbase(); // restore r12 as heapbase. |
| 0 | 1872 // Entry point for exceptions thrown within interpreter code |
| 1873 Interpreter::_throw_exception_entry = __ pc(); | |
| 1874 // expression stack is undefined here | |
| 1875 // rax: exception | |
| 1876 // r13: exception bcp | |
| 1877 __ verify_oop(rax); | |
| 304 | 1878 __ mov(c_rarg1, rax); |
| 0 | 1879 |
| 1880 // expression stack must be empty before entering the VM in case of | |
| 1881 // an exception | |
| 1882 __ empty_expression_stack(); | |
| 1883 // find exception handler address and preserve exception oop | |
| 1884 __ call_VM(rdx, | |
| 1885 CAST_FROM_FN_PTR(address, | |
| 1886 InterpreterRuntime::exception_handler_for_exception), | |
| 1887 c_rarg1); | |
| 1888 // rax: exception handler entry point | |
| 1889 // rdx: preserved exception oop | |
| 1890 // r13: bcp for exception handler | |
| 1891 __ push_ptr(rdx); // push exception which is now the only value on the stack | |
| 1892 __ jmp(rax); // jump to exception handler (may be _remove_activation_entry!) | |
| 1893 | |
| 1894 // If the exception is not handled in the current frame the frame is | |
| 1895 // removed and the exception is rethrown (i.e. exception | |
| 1896 // continuation is _rethrow_exception). | |
| 1897 // | |
| 1898 // Note: At this point the bci is still the bxi for the instruction | |
| 1899 // which caused the exception and the expression stack is | |
| 1900 // empty. Thus, for any VM calls at this point, GC will find a legal | |
| 1901 // oop map (with empty expression stack). | |
| 1902 | |
| 1903 // In current activation | |
| 1904 // tos: exception | |
| 1905 // esi: exception bcp | |
| 1906 | |
| 1907 // | |
| 1908 // JVMTI PopFrame support | |
| 1909 // | |
| 1910 | |
| 1911 Interpreter::_remove_activation_preserving_args_entry = __ pc(); | |
| 1912 __ empty_expression_stack(); | |
| 1913 // Set the popframe_processing bit in pending_popframe_condition | |
| 1914 // indicating that we are currently handling popframe, so that | |
| 1915 // call_VMs that may happen later do not trigger new popframe | |
| 1916 // handling cycles. | |
| 1917 __ movl(rdx, Address(r15_thread, JavaThread::popframe_condition_offset())); | |
| 1918 __ orl(rdx, JavaThread::popframe_processing_bit); | |
| 1919 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), rdx); | |
| 1920 | |
| 1921 { | |
| 1922 // Check to see whether we are returning to a deoptimized frame. | |
| 1923 // (The PopFrame call ensures that the caller of the popped frame is | |
| 1924 // either interpreted or compiled and deoptimizes it if compiled.) | |
| 1925 // In this case, we can't call dispatch_next() after the frame is | |
| 1926 // popped, but instead must save the incoming arguments and restore | |
| 1927 // them after deoptimization has occurred. | |
| 1928 // | |
| 1929 // Note that we don't compare the return PC against the | |
| 1930 // deoptimization blob's unpack entry because of the presence of | |
| 1931 // adapter frames in C2. | |
| 1932 Label caller_not_deoptimized; | |
| 304 | 1933 __ movptr(c_rarg1, Address(rbp, frame::return_addr_offset * wordSize)); |
| 0 | 1934 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
| 1935 InterpreterRuntime::interpreter_contains), c_rarg1); | |
| 1936 __ testl(rax, rax); | |
| 1937 __ jcc(Assembler::notZero, caller_not_deoptimized); | |
| 1938 | |
| 1939 // Compute size of arguments for saving when returning to | |
| 1940 // deoptimized caller | |
| 1941 __ get_method(rax); | |
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1942 __ movptr(rax, Address(rax, Method::const_offset())); |
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1943 __ load_unsigned_short(rax, Address(rax, in_bytes(ConstMethod:: |
| 0 | 1944 size_of_parameters_offset()))); |
| 1506 | 1945 __ shll(rax, Interpreter::logStackElementSize); |
| 0 | 1946 __ restore_locals(); // XXX do we need this? |
| 304 | 1947 __ subptr(r14, rax); |
| 1948 __ addptr(r14, wordSize); | |
| 0 | 1949 // Save these arguments |
| 1950 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, | |
| 1951 Deoptimization:: | |
| 1952 popframe_preserve_args), | |
| 1953 r15_thread, rax, r14); | |
| 1954 | |
| 1955 __ remove_activation(vtos, rdx, | |
| 1956 /* throw_monitor_exception */ false, | |
| 1957 /* install_monitor_exception */ false, | |
| 1958 /* notify_jvmdi */ false); | |
| 1959 | |
| 1960 // Inform deoptimization that it is responsible for restoring | |
| 1961 // these arguments | |
| 1962 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), | |
| 1963 JavaThread::popframe_force_deopt_reexecution_bit); | |
| 1964 | |
| 1965 // Continue in deoptimization handler | |
| 1966 __ jmp(rdx); | |
| 1967 | |
| 1968 __ bind(caller_not_deoptimized); | |
| 1969 } | |
| 1970 | |
| 1971 __ remove_activation(vtos, rdx, /* rdx result (retaddr) is not used */ | |
| 1972 /* throw_monitor_exception */ false, | |
| 1973 /* install_monitor_exception */ false, | |
| 1974 /* notify_jvmdi */ false); | |
| 1975 | |
| 1976 // Finish with popframe handling | |
| 1977 // A previous I2C followed by a deoptimization might have moved the | |
| 1978 // outgoing arguments further up the stack. PopFrame expects the | |
| 1979 // mutations to those outgoing arguments to be preserved and other | |
| 1980 // constraints basically require this frame to look exactly as | |
| 1981 // though it had previously invoked an interpreted activation with | |
| 1982 // no space between the top of the expression stack (current | |
| 1983 // last_sp) and the top of stack. Rather than force deopt to | |
| 1984 // maintain this kind of invariant all the time we call a small | |
| 1985 // fixup routine to move the mutated arguments onto the top of our | |
| 1986 // expression stack if necessary. | |
| 304 | 1987 __ mov(c_rarg1, rsp); |
| 1988 __ movptr(c_rarg2, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); | |
| 0 | 1989 // PC must point into interpreter here |
| 1990 __ set_last_Java_frame(noreg, rbp, __ pc()); | |
| 1991 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::popframe_move_outgoing_args), r15_thread, c_rarg1, c_rarg2); | |
| 1992 __ reset_last_Java_frame(true, true); | |
| 1993 // Restore the last_sp and null it out | |
| 304 | 1994 __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
| 1995 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); | |
| 0 | 1996 |
| 1997 __ restore_bcp(); // XXX do we need this? | |
| 1998 __ restore_locals(); // XXX do we need this? | |
| 1999 // The method data pointer was incremented already during | |
| 2000 // call profiling. We have to restore the mdp for the current bcp. | |
| 2001 if (ProfileInterpreter) { | |
| 2002 __ set_method_data_pointer_for_bcp(); | |
| 2003 } | |
| 2004 | |
| 2005 // Clear the popframe condition flag | |
| 2006 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), | |
| 2007 JavaThread::popframe_inactive); | |
| 2008 | |
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2009 #if INCLUDE_JVMTI |
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2010 if (EnableInvokeDynamic) { |
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2011 Label L_done; |
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2012 const Register local0 = r14; |
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2013 |
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2014 __ cmpb(Address(r13, 0), Bytecodes::_invokestatic); |
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2015 __ jcc(Assembler::notEqual, L_done); |
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2016 |
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2017 // The member name argument must be restored if _invokestatic is re-executed after a PopFrame call. |
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2018 // Detect such a case in the InterpreterRuntime function and return the member name argument, or NULL. |
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2019 |
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2020 __ get_method(rdx); |
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2021 __ movptr(rax, Address(local0, 0)); |
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2022 __ call_VM(rax, CAST_FROM_FN_PTR(address, InterpreterRuntime::member_name_arg_or_null), rax, rdx, r13); |
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2023 |
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2024 __ testptr(rax, rax); |
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2025 __ jcc(Assembler::zero, L_done); |
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2026 |
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2027 __ movptr(Address(rbx, 0), rax); |
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2028 __ bind(L_done); |
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2029 } |
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2030 #endif // INCLUDE_JVMTI |
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2031 |
| 0 | 2032 __ dispatch_next(vtos); |
| 2033 // end of PopFrame support | |
| 2034 | |
| 2035 Interpreter::_remove_activation_entry = __ pc(); | |
| 2036 | |
| 2037 // preserve exception over this code sequence | |
| 2038 __ pop_ptr(rax); | |
| 304 | 2039 __ movptr(Address(r15_thread, JavaThread::vm_result_offset()), rax); |
| 0 | 2040 // remove the activation (without doing throws on illegalMonitorExceptions) |
| 2041 __ remove_activation(vtos, rdx, false, true, false); | |
| 2042 // restore exception | |
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2043 __ get_vm_result(rax, r15_thread); |
| 0 | 2044 |
| 2045 // In between activations - previous activation type unknown yet | |
| 2046 // compute continuation point - the continuation point expects the | |
| 2047 // following registers set up: | |
| 2048 // | |
| 2049 // rax: exception | |
| 2050 // rdx: return address/pc that threw exception | |
| 2051 // rsp: expression stack of caller | |
| 2052 // rbp: ebp of caller | |
| 304 | 2053 __ push(rax); // save exception |
| 2054 __ push(rdx); // save return address | |
| 0 | 2055 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
| 2056 SharedRuntime::exception_handler_for_return_address), | |
| 1295 | 2057 r15_thread, rdx); |
| 304 | 2058 __ mov(rbx, rax); // save exception handler |
| 2059 __ pop(rdx); // restore return address | |
| 2060 __ pop(rax); // restore exception | |
| 0 | 2061 // Note that an "issuing PC" is actually the next PC after the call |
| 2062 __ jmp(rbx); // jump to exception | |
| 2063 // handler of caller | |
| 2064 } | |
| 2065 | |
| 2066 | |
| 2067 // | |
| 2068 // JVMTI ForceEarlyReturn support | |
| 2069 // | |
| 2070 address TemplateInterpreterGenerator::generate_earlyret_entry_for(TosState state) { | |
| 2071 address entry = __ pc(); | |
| 2072 | |
| 2073 __ restore_bcp(); | |
| 2074 __ restore_locals(); | |
| 2075 __ empty_expression_stack(); | |
| 2076 __ load_earlyret_value(state); | |
| 2077 | |
| 304 | 2078 __ movptr(rdx, Address(r15_thread, JavaThread::jvmti_thread_state_offset())); |
| 0 | 2079 Address cond_addr(rdx, JvmtiThreadState::earlyret_state_offset()); |
| 2080 | |
| 2081 // Clear the earlyret state | |
| 2082 __ movl(cond_addr, JvmtiThreadState::earlyret_inactive); | |
| 2083 | |
| 2084 __ remove_activation(state, rsi, | |
| 2085 false, /* throw_monitor_exception */ | |
| 2086 false, /* install_monitor_exception */ | |
| 2087 true); /* notify_jvmdi */ | |
| 2088 __ jmp(rsi); | |
| 2089 | |
| 2090 return entry; | |
| 2091 } // end of ForceEarlyReturn support | |
| 2092 | |
| 2093 | |
| 2094 //----------------------------------------------------------------------------- | |
| 2095 // Helper for vtos entry point generation | |
| 2096 | |
| 2097 void TemplateInterpreterGenerator::set_vtos_entry_points(Template* t, | |
| 2098 address& bep, | |
| 2099 address& cep, | |
| 2100 address& sep, | |
| 2101 address& aep, | |
| 2102 address& iep, | |
| 2103 address& lep, | |
| 2104 address& fep, | |
| 2105 address& dep, | |
| 2106 address& vep) { | |
| 2107 assert(t->is_valid() && t->tos_in() == vtos, "illegal template"); | |
| 2108 Label L; | |
| 2109 aep = __ pc(); __ push_ptr(); __ jmp(L); | |
| 2110 fep = __ pc(); __ push_f(); __ jmp(L); | |
| 2111 dep = __ pc(); __ push_d(); __ jmp(L); | |
| 2112 lep = __ pc(); __ push_l(); __ jmp(L); | |
| 2113 bep = cep = sep = | |
| 2114 iep = __ pc(); __ push_i(); | |
| 2115 vep = __ pc(); | |
| 2116 __ bind(L); | |
| 2117 generate_and_dispatch(t); | |
| 2118 } | |
| 2119 | |
| 2120 | |
| 2121 //----------------------------------------------------------------------------- | |
| 2122 // Generation of individual instructions | |
| 2123 | |
| 2124 // helpers for generate_and_dispatch | |
| 2125 | |
| 2126 | |
| 2127 InterpreterGenerator::InterpreterGenerator(StubQueue* code) | |
| 2128 : TemplateInterpreterGenerator(code) { | |
| 2129 generate_all(); // down here so it can be "virtual" | |
| 2130 } | |
| 2131 | |
| 2132 //----------------------------------------------------------------------------- | |
| 2133 | |
| 2134 // Non-product code | |
| 2135 #ifndef PRODUCT | |
| 2136 address TemplateInterpreterGenerator::generate_trace_code(TosState state) { | |
| 2137 address entry = __ pc(); | |
| 2138 | |
| 2139 __ push(state); | |
| 304 | 2140 __ push(c_rarg0); |
| 2141 __ push(c_rarg1); | |
| 2142 __ push(c_rarg2); | |
| 2143 __ push(c_rarg3); | |
| 2144 __ mov(c_rarg2, rax); // Pass itos | |
| 0 | 2145 #ifdef _WIN64 |
| 2146 __ movflt(xmm3, xmm0); // Pass ftos | |
| 2147 #endif | |
| 2148 __ call_VM(noreg, | |
| 2149 CAST_FROM_FN_PTR(address, SharedRuntime::trace_bytecode), | |
| 2150 c_rarg1, c_rarg2, c_rarg3); | |
| 304 | 2151 __ pop(c_rarg3); |
| 2152 __ pop(c_rarg2); | |
| 2153 __ pop(c_rarg1); | |
| 2154 __ pop(c_rarg0); | |
| 0 | 2155 __ pop(state); |
| 2156 __ ret(0); // return from result handler | |
| 2157 | |
| 2158 return entry; | |
| 2159 } | |
| 2160 | |
| 2161 void TemplateInterpreterGenerator::count_bytecode() { | |
| 2162 __ incrementl(ExternalAddress((address) &BytecodeCounter::_counter_value)); | |
| 2163 } | |
| 2164 | |
| 2165 void TemplateInterpreterGenerator::histogram_bytecode(Template* t) { | |
| 2166 __ incrementl(ExternalAddress((address) &BytecodeHistogram::_counters[t->bytecode()])); | |
| 2167 } | |
| 2168 | |
| 2169 void TemplateInterpreterGenerator::histogram_bytecode_pair(Template* t) { | |
| 2170 __ mov32(rbx, ExternalAddress((address) &BytecodePairHistogram::_index)); | |
| 2171 __ shrl(rbx, BytecodePairHistogram::log2_number_of_codes); | |
| 2172 __ orl(rbx, | |
| 2173 ((int) t->bytecode()) << | |
| 2174 BytecodePairHistogram::log2_number_of_codes); | |
| 2175 __ mov32(ExternalAddress((address) &BytecodePairHistogram::_index), rbx); | |
| 2176 __ lea(rscratch1, ExternalAddress((address) BytecodePairHistogram::_counters)); | |
| 2177 __ incrementl(Address(rscratch1, rbx, Address::times_4)); | |
| 2178 } | |
| 2179 | |
| 2180 | |
| 2181 void TemplateInterpreterGenerator::trace_bytecode(Template* t) { | |
| 2182 // Call a little run-time stub to avoid blow-up for each bytecode. | |
| 2183 // The run-time runtime saves the right registers, depending on | |
| 2184 // the tosca in-state for the given template. | |
| 2185 | |
| 2186 assert(Interpreter::trace_code(t->tos_in()) != NULL, | |
| 2187 "entry must have been generated"); | |
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2188 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
| 304 | 2189 __ andptr(rsp, -16); // align stack as required by ABI |
| 0 | 2190 __ call(RuntimeAddress(Interpreter::trace_code(t->tos_in()))); |
| 304 | 2191 __ mov(rsp, r12); // restore sp |
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2192 __ reinit_heapbase(); |
| 0 | 2193 } |
| 2194 | |
| 2195 | |
| 2196 void TemplateInterpreterGenerator::stop_interpreter_at() { | |
| 2197 Label L; | |
| 2198 __ cmp32(ExternalAddress((address) &BytecodeCounter::_counter_value), | |
| 2199 StopInterpreterAt); | |
| 2200 __ jcc(Assembler::notEqual, L); | |
| 2201 __ int3(); | |
| 2202 __ bind(L); | |
| 2203 } | |
| 2204 #endif // !PRODUCT | |
| 304 | 2205 #endif // ! CC_INTERP |