Mercurial > hg > truffle
annotate src/cpu/x86/vm/templateInterpreter_x86_64.cpp @ 10479:40b8c383bc31
Throw InvalidInstalledCodeException directly in the stubs.
| author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
|---|---|
| date | Sun, 23 Jun 2013 15:49:01 +0200 |
| parents | 3489047ffea2 |
| children | 7344fa3e8833 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
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26 #include "asm/macroAssembler.hpp" |
| 1972 | 27 #include "interpreter/bytecodeHistogram.hpp" |
| 28 #include "interpreter/interpreter.hpp" | |
| 29 #include "interpreter/interpreterGenerator.hpp" | |
| 30 #include "interpreter/interpreterRuntime.hpp" | |
| 31 #include "interpreter/templateTable.hpp" | |
| 32 #include "oops/arrayOop.hpp" | |
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33 #include "oops/methodData.hpp" |
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34 #include "oops/method.hpp" |
| 1972 | 35 #include "oops/oop.inline.hpp" |
| 36 #include "prims/jvmtiExport.hpp" | |
| 37 #include "prims/jvmtiThreadState.hpp" | |
| 38 #include "runtime/arguments.hpp" | |
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39 #include "runtime/compilationPolicy.hpp" |
| 1972 | 40 #include "runtime/deoptimization.hpp" |
| 41 #include "runtime/frame.inline.hpp" | |
| 42 #include "runtime/sharedRuntime.hpp" | |
| 43 #include "runtime/stubRoutines.hpp" | |
| 44 #include "runtime/synchronizer.hpp" | |
| 45 #include "runtime/timer.hpp" | |
| 46 #include "runtime/vframeArray.hpp" | |
| 47 #include "utilities/debug.hpp" | |
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48 #include "utilities/macros.hpp" |
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49 #ifdef GRAAL |
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50 #include "graal/graalJavaAccess.hpp" |
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51 #endif |
| 0 | 52 |
| 53 #define __ _masm-> | |
| 54 | |
| 304 | 55 #ifndef CC_INTERP |
| 56 | |
| 0 | 57 const int method_offset = frame::interpreter_frame_method_offset * wordSize; |
| 58 const int bci_offset = frame::interpreter_frame_bcx_offset * wordSize; | |
| 59 const int locals_offset = frame::interpreter_frame_locals_offset * wordSize; | |
| 60 | |
| 61 //----------------------------------------------------------------------------- | |
| 62 | |
| 63 address TemplateInterpreterGenerator::generate_StackOverflowError_handler() { | |
| 64 address entry = __ pc(); | |
| 65 | |
| 66 #ifdef ASSERT | |
| 67 { | |
| 68 Label L; | |
| 304 | 69 __ lea(rax, Address(rbp, |
| 70 frame::interpreter_frame_monitor_block_top_offset * | |
| 71 wordSize)); | |
| 72 __ cmpptr(rax, rsp); // rax = maximal rsp for current rbp (stack | |
| 73 // grows negative) | |
| 0 | 74 __ jcc(Assembler::aboveEqual, L); // check if frame is complete |
| 75 __ stop ("interpreter frame not set up"); | |
| 76 __ bind(L); | |
| 77 } | |
| 78 #endif // ASSERT | |
| 79 // Restore bcp under the assumption that the current frame is still | |
| 80 // interpreted | |
| 81 __ restore_bcp(); | |
| 82 | |
| 83 // expression stack must be empty before entering the VM if an | |
| 84 // exception happened | |
| 85 __ empty_expression_stack(); | |
| 86 // throw exception | |
| 87 __ call_VM(noreg, | |
| 88 CAST_FROM_FN_PTR(address, | |
| 89 InterpreterRuntime::throw_StackOverflowError)); | |
| 90 return entry; | |
| 91 } | |
| 92 | |
| 93 address TemplateInterpreterGenerator::generate_ArrayIndexOutOfBounds_handler( | |
| 94 const char* name) { | |
| 95 address entry = __ pc(); | |
| 96 // expression stack must be empty before entering the VM if an | |
| 97 // exception happened | |
| 98 __ empty_expression_stack(); | |
| 99 // setup parameters | |
| 100 // ??? convention: expect aberrant index in register ebx | |
| 101 __ lea(c_rarg1, ExternalAddress((address)name)); | |
| 102 __ call_VM(noreg, | |
| 103 CAST_FROM_FN_PTR(address, | |
| 104 InterpreterRuntime:: | |
| 105 throw_ArrayIndexOutOfBoundsException), | |
| 106 c_rarg1, rbx); | |
| 107 return entry; | |
| 108 } | |
| 109 | |
| 110 address TemplateInterpreterGenerator::generate_ClassCastException_handler() { | |
| 111 address entry = __ pc(); | |
| 112 | |
| 113 // object is at TOS | |
| 304 | 114 __ pop(c_rarg1); |
| 0 | 115 |
| 116 // expression stack must be empty before entering the VM if an | |
| 117 // exception happened | |
| 118 __ empty_expression_stack(); | |
| 119 | |
| 120 __ call_VM(noreg, | |
| 121 CAST_FROM_FN_PTR(address, | |
| 122 InterpreterRuntime:: | |
| 123 throw_ClassCastException), | |
| 124 c_rarg1); | |
| 125 return entry; | |
| 126 } | |
| 127 | |
| 128 address TemplateInterpreterGenerator::generate_exception_handler_common( | |
| 129 const char* name, const char* message, bool pass_oop) { | |
| 130 assert(!pass_oop || message == NULL, "either oop or message but not both"); | |
| 131 address entry = __ pc(); | |
| 132 if (pass_oop) { | |
| 133 // object is at TOS | |
| 304 | 134 __ pop(c_rarg2); |
| 0 | 135 } |
| 136 // expression stack must be empty before entering the VM if an | |
| 137 // exception happened | |
| 138 __ empty_expression_stack(); | |
| 139 // setup parameters | |
| 140 __ lea(c_rarg1, ExternalAddress((address)name)); | |
| 141 if (pass_oop) { | |
| 142 __ call_VM(rax, CAST_FROM_FN_PTR(address, | |
| 143 InterpreterRuntime:: | |
| 144 create_klass_exception), | |
| 145 c_rarg1, c_rarg2); | |
| 146 } else { | |
| 147 // kind of lame ExternalAddress can't take NULL because | |
| 148 // external_word_Relocation will assert. | |
| 149 if (message != NULL) { | |
| 150 __ lea(c_rarg2, ExternalAddress((address)message)); | |
| 151 } else { | |
| 152 __ movptr(c_rarg2, NULL_WORD); | |
| 153 } | |
| 154 __ call_VM(rax, | |
| 155 CAST_FROM_FN_PTR(address, InterpreterRuntime::create_exception), | |
| 156 c_rarg1, c_rarg2); | |
| 157 } | |
| 158 // throw exception | |
| 159 __ jump(ExternalAddress(Interpreter::throw_exception_entry())); | |
| 160 return entry; | |
| 161 } | |
| 162 | |
| 163 | |
| 164 address TemplateInterpreterGenerator::generate_continuation_for(TosState state) { | |
| 165 address entry = __ pc(); | |
| 166 // NULL last_sp until next java call | |
| 304 | 167 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 168 __ dispatch_next(state); |
| 169 return entry; | |
| 170 } | |
| 171 | |
| 172 | |
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173 address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step) { |
| 0 | 174 address entry = __ pc(); |
| 175 | |
| 176 // Restore stack bottom in case i2c adjusted stack | |
| 304 | 177 __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
| 0 | 178 // and NULL it as marker that esp is now tos until next java call |
| 304 | 179 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 180 |
| 181 __ restore_bcp(); | |
| 182 __ restore_locals(); | |
| 304 | 183 |
| 1108 | 184 Label L_got_cache, L_giant_index; |
| 185 if (EnableInvokeDynamic) { | |
| 186 __ cmpb(Address(r13, 0), Bytecodes::_invokedynamic); | |
| 187 __ jcc(Assembler::equal, L_giant_index); | |
| 188 } | |
| 1565 | 189 __ get_cache_and_index_at_bcp(rbx, rcx, 1, sizeof(u2)); |
| 1108 | 190 __ bind(L_got_cache); |
| 0 | 191 __ movl(rbx, Address(rbx, rcx, |
| 1108 | 192 Address::times_ptr, |
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193 in_bytes(ConstantPoolCache::base_offset()) + |
| 0 | 194 3 * wordSize)); |
| 195 __ andl(rbx, 0xFF); | |
| 304 | 196 __ lea(rsp, Address(rsp, rbx, Address::times_8)); |
| 0 | 197 __ dispatch_next(state, step); |
| 1108 | 198 |
| 199 // out of the main line of code... | |
| 200 if (EnableInvokeDynamic) { | |
| 201 __ bind(L_giant_index); | |
| 1565 | 202 __ get_cache_and_index_at_bcp(rbx, rcx, 1, sizeof(u4)); |
| 1108 | 203 __ jmp(L_got_cache); |
| 204 } | |
| 205 | |
| 0 | 206 return entry; |
| 207 } | |
| 208 | |
| 209 | |
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210 address InterpreterGenerator::generate_deopt_entry_for(TosState state, |
| 0 | 211 int step) { |
| 212 address entry = __ pc(); | |
| 213 // NULL last_sp until next java call | |
| 304 | 214 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 215 __ restore_bcp(); |
| 216 __ restore_locals(); | |
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217 // Check if we need to take lock at entry of synchronized method. |
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218 { |
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219 Label L; |
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220 __ cmpb(Address(r15_thread, Thread::pending_monitorenter_offset()), 0); |
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221 __ jcc(Assembler::zero, L); |
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222 // Clear flag. |
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223 __ movb(Address(r15_thread, Thread::pending_monitorenter_offset()), 0); |
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224 // Satisfy calling convention for lock_method(). |
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225 __ get_method(rbx); |
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226 // Take lock. |
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227 lock_method(); |
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228 __ bind(L); |
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229 } |
| 0 | 230 // handle exceptions |
| 231 { | |
| 232 Label L; | |
| 304 | 233 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
| 0 | 234 __ jcc(Assembler::zero, L); |
| 235 __ call_VM(noreg, | |
| 236 CAST_FROM_FN_PTR(address, | |
| 237 InterpreterRuntime::throw_pending_exception)); | |
| 238 __ should_not_reach_here(); | |
| 239 __ bind(L); | |
| 240 } | |
| 241 __ dispatch_next(state, step); | |
| 242 return entry; | |
| 243 } | |
| 244 | |
| 245 int AbstractInterpreter::BasicType_as_index(BasicType type) { | |
| 246 int i = 0; | |
| 247 switch (type) { | |
| 248 case T_BOOLEAN: i = 0; break; | |
| 249 case T_CHAR : i = 1; break; | |
| 250 case T_BYTE : i = 2; break; | |
| 251 case T_SHORT : i = 3; break; | |
| 252 case T_INT : i = 4; break; | |
| 253 case T_LONG : i = 5; break; | |
| 254 case T_VOID : i = 6; break; | |
| 255 case T_FLOAT : i = 7; break; | |
| 256 case T_DOUBLE : i = 8; break; | |
| 257 case T_OBJECT : i = 9; break; | |
| 258 case T_ARRAY : i = 9; break; | |
| 259 default : ShouldNotReachHere(); | |
| 260 } | |
| 261 assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers, | |
| 262 "index out of bounds"); | |
| 263 return i; | |
| 264 } | |
| 265 | |
| 266 | |
| 267 address TemplateInterpreterGenerator::generate_result_handler_for( | |
| 268 BasicType type) { | |
| 269 address entry = __ pc(); | |
| 270 switch (type) { | |
| 271 case T_BOOLEAN: __ c2bool(rax); break; | |
| 272 case T_CHAR : __ movzwl(rax, rax); break; | |
| 273 case T_BYTE : __ sign_extend_byte(rax); break; | |
| 274 case T_SHORT : __ sign_extend_short(rax); break; | |
| 275 case T_INT : /* nothing to do */ break; | |
| 276 case T_LONG : /* nothing to do */ break; | |
| 277 case T_VOID : /* nothing to do */ break; | |
| 278 case T_FLOAT : /* nothing to do */ break; | |
| 279 case T_DOUBLE : /* nothing to do */ break; | |
| 280 case T_OBJECT : | |
| 281 // retrieve result from frame | |
| 304 | 282 __ movptr(rax, Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize)); |
| 0 | 283 // and verify it |
| 284 __ verify_oop(rax); | |
| 285 break; | |
| 286 default : ShouldNotReachHere(); | |
| 287 } | |
| 288 __ ret(0); // return from result handler | |
| 289 return entry; | |
| 290 } | |
| 291 | |
| 292 address TemplateInterpreterGenerator::generate_safept_entry_for( | |
| 293 TosState state, | |
| 294 address runtime_entry) { | |
| 295 address entry = __ pc(); | |
| 296 __ push(state); | |
| 297 __ call_VM(noreg, runtime_entry); | |
| 298 __ dispatch_via(vtos, Interpreter::_normal_table.table_for(vtos)); | |
| 299 return entry; | |
| 300 } | |
| 301 | |
| 302 | |
| 303 | |
| 304 // Helpers for commoning out cases in the various type of method entries. | |
| 305 // | |
| 306 | |
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307 #ifdef GRAAL |
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308 |
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309 void graal_initialize_time(JavaThread* thread) { |
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310 assert(ProfileInterpreter, "must be profiling interpreter"); |
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311 frame fr = thread->last_frame(); |
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312 assert(fr.is_interpreted_frame(), "must come from interpreter"); |
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313 assert(fr.interpreter_frame_method()->method_counters() != NULL, "need to initialize method counters"); |
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314 fr.interpreter_frame_method()->method_counters()->set_graal_invocation_time(os::javaTimeNanos()); |
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315 } |
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316 |
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317 #endif // GRAAL |
| 0 | 318 |
| 319 // increment invocation count & check for overflow | |
| 320 // | |
| 321 // Note: checking for negative value instead of overflow | |
| 322 // so we have a 'sticky' overflow test | |
| 323 // | |
| 324 // rbx: method | |
| 325 // ecx: invocation counter | |
| 326 // | |
| 327 void InterpreterGenerator::generate_counter_incr( | |
| 328 Label* overflow, | |
| 329 Label* profile_method, | |
| 330 Label* profile_method_continue) { | |
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331 Label done; |
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332 // Note: In tiered we increment either counters in Method* or in MDO depending if we're profiling or not. |
| 1783 | 333 if (TieredCompilation) { |
| 334 int increment = InvocationCounter::count_increment; | |
| 335 int mask = ((1 << Tier0InvokeNotifyFreqLog) - 1) << InvocationCounter::count_shift; | |
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336 Label no_mdo; |
| 1783 | 337 if (ProfileInterpreter) { |
| 338 // Are we profiling? | |
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339 __ movptr(rax, Address(rbx, Method::method_data_offset())); |
| 1783 | 340 __ testptr(rax, rax); |
| 341 __ jccb(Assembler::zero, no_mdo); | |
| 342 // Increment counter in the MDO | |
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343 const Address mdo_invocation_counter(rax, in_bytes(MethodData::invocation_counter_offset()) + |
| 1783 | 344 in_bytes(InvocationCounter::counter_offset())); |
| 345 __ increment_mask_and_jump(mdo_invocation_counter, increment, mask, rcx, false, Assembler::zero, overflow); | |
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346 __ jmp(done); |
| 1783 | 347 } |
| 348 __ bind(no_mdo); | |
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349 // Increment counter in MethodCounters |
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350 const Address invocation_counter(rax, |
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351 MethodCounters::invocation_counter_offset() + |
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352 InvocationCounter::counter_offset()); |
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353 __ get_method_counters(rbx, rax, done); |
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354 __ increment_mask_and_jump(invocation_counter, increment, mask, rcx, |
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355 false, Assembler::zero, overflow); |
| 1783 | 356 __ bind(done); |
| 357 } else { | |
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358 const Address backedge_counter(rax, |
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359 MethodCounters::backedge_counter_offset() + |
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360 InvocationCounter::counter_offset()); |
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361 const Address invocation_counter(rax, |
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362 MethodCounters::invocation_counter_offset() + |
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363 InvocationCounter::counter_offset()); |
| 0 | 364 |
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365 __ get_method_counters(rbx, rax, done); |
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366 |
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367 if (ProfileInterpreter) { |
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368 __ incrementl(Address(rax, |
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369 MethodCounters::interpreter_invocation_counter_offset())); |
| 1783 | 370 } |
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371 |
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372 #ifdef GRAAL |
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373 if (CompilationPolicyChoice == 4) { |
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374 Label not_zero; |
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375 __ testl(rcx, InvocationCounter::count_mask_value); |
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376 __ jcc(Assembler::notZero, not_zero); |
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377 |
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378 __ push(rcx); |
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379 __ call_VM(noreg, CAST_FROM_FN_PTR(address, graal_initialize_time), rdx, false); |
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380 __ set_method_data_pointer_for_bcp(); |
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381 __ get_method(rbx); |
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382 __ pop(rcx); |
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383 |
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384 __ testl(rcx, InvocationCounter::count_mask_value); |
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385 __ jcc(Assembler::zero, not_zero); |
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386 __ stop("unexpected counter value in rcx"); |
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387 |
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388 __ bind(not_zero); |
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389 } |
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390 #endif // GRAAL |
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391 |
| 1783 | 392 // Update standard invocation counters |
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393 __ movl(rcx, invocation_counter); |
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394 __ incrementl(rcx, InvocationCounter::count_increment); |
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395 __ movl(invocation_counter, rcx); // save invocation count |
| 0 | 396 |
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397 __ movl(rax, backedge_counter); // load backedge counter |
| 1783 | 398 __ andl(rax, InvocationCounter::count_mask_value); // mask out the status bits |
| 0 | 399 |
| 1783 | 400 __ addl(rcx, rax); // add both counters |
| 0 | 401 |
| 1783 | 402 // profile_method is non-null only for interpreted method so |
| 403 // profile_method != NULL == !native_call | |
| 404 | |
| 405 if (ProfileInterpreter && profile_method != NULL) { | |
| 406 // Test to see if we should create a method data oop | |
| 407 __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterProfileLimit)); | |
| 408 __ jcc(Assembler::less, *profile_method_continue); | |
| 0 | 409 |
| 1783 | 410 // if no method data exists, go to profile_method |
| 411 __ test_method_data_pointer(rax, *profile_method); | |
| 412 } | |
| 413 | |
| 414 __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterInvocationLimit)); | |
| 415 __ jcc(Assembler::aboveEqual, *overflow); | |
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416 __ bind(done); |
| 0 | 417 } |
| 418 } | |
| 419 | |
| 420 void InterpreterGenerator::generate_counter_overflow(Label* do_continue) { | |
| 421 | |
| 422 // Asm interpreter on entry | |
| 423 // r14 - locals | |
| 424 // r13 - bcp | |
| 425 // rbx - method | |
| 426 // edx - cpool --- DOES NOT APPEAR TO BE TRUE | |
| 427 // rbp - interpreter frame | |
| 428 | |
| 429 // On return (i.e. jump to entry_point) [ back to invocation of interpreter ] | |
| 430 // Everything as it was on entry | |
| 431 // rdx is not restored. Doesn't appear to really be set. | |
| 432 | |
| 433 // InterpreterRuntime::frequency_counter_overflow takes two | |
| 434 // arguments, the first (thread) is passed by call_VM, the second | |
| 435 // indicates if the counter overflow occurs at a backwards branch | |
| 436 // (NULL bcp). We pass zero for it. The call returns the address | |
| 437 // of the verified entry point for the method or NULL if the | |
| 438 // compilation did not complete (either went background or bailed | |
| 439 // out). | |
| 440 __ movl(c_rarg1, 0); | |
| 441 __ call_VM(noreg, | |
| 442 CAST_FROM_FN_PTR(address, | |
| 443 InterpreterRuntime::frequency_counter_overflow), | |
| 444 c_rarg1); | |
| 445 | |
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446 __ movptr(rbx, Address(rbp, method_offset)); // restore Method* |
| 0 | 447 // Preserve invariant that r13/r14 contain bcp/locals of sender frame |
| 448 // and jump to the interpreted entry. | |
| 449 __ jmp(*do_continue, relocInfo::none); | |
| 450 } | |
| 451 | |
| 452 // See if we've got enough room on the stack for locals plus overhead. | |
| 453 // The expression stack grows down incrementally, so the normal guard | |
| 454 // page mechanism will work for that. | |
| 455 // | |
| 456 // NOTE: Since the additional locals are also always pushed (wasn't | |
| 457 // obvious in generate_method_entry) so the guard should work for them | |
| 458 // too. | |
| 459 // | |
| 460 // Args: | |
| 461 // rdx: number of additional locals this frame needs (what we must check) | |
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462 // rbx: Method* |
| 0 | 463 // |
| 464 // Kills: | |
| 465 // rax | |
| 466 void InterpreterGenerator::generate_stack_overflow_check(void) { | |
| 467 | |
| 468 // monitor entry size: see picture of stack set | |
| 469 // (generate_method_entry) and frame_amd64.hpp | |
| 470 const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; | |
| 471 | |
| 472 // total overhead size: entry_size + (saved rbp through expr stack | |
| 473 // bottom). be sure to change this if you add/subtract anything | |
| 474 // to/from the overhead area | |
| 475 const int overhead_size = | |
| 476 -(frame::interpreter_frame_initial_sp_offset * wordSize) + entry_size; | |
| 477 | |
| 478 const int page_size = os::vm_page_size(); | |
| 479 | |
| 480 Label after_frame_check; | |
| 481 | |
| 482 // see if the frame is greater than one page in size. If so, | |
| 483 // then we need to verify there is enough stack space remaining | |
| 484 // for the additional locals. | |
| 1506 | 485 __ cmpl(rdx, (page_size - overhead_size) / Interpreter::stackElementSize); |
| 0 | 486 __ jcc(Assembler::belowEqual, after_frame_check); |
| 487 | |
| 488 // compute rsp as if this were going to be the last frame on | |
| 489 // the stack before the red zone | |
| 490 | |
| 491 const Address stack_base(r15_thread, Thread::stack_base_offset()); | |
| 492 const Address stack_size(r15_thread, Thread::stack_size_offset()); | |
| 493 | |
| 494 // locals + overhead, in bytes | |
| 304 | 495 __ mov(rax, rdx); |
| 1506 | 496 __ shlptr(rax, Interpreter::logStackElementSize); // 2 slots per parameter. |
| 304 | 497 __ addptr(rax, overhead_size); |
| 0 | 498 |
| 499 #ifdef ASSERT | |
| 500 Label stack_base_okay, stack_size_okay; | |
| 501 // verify that thread stack base is non-zero | |
| 304 | 502 __ cmpptr(stack_base, (int32_t)NULL_WORD); |
| 0 | 503 __ jcc(Assembler::notEqual, stack_base_okay); |
| 504 __ stop("stack base is zero"); | |
| 505 __ bind(stack_base_okay); | |
| 506 // verify that thread stack size is non-zero | |
| 304 | 507 __ cmpptr(stack_size, 0); |
| 0 | 508 __ jcc(Assembler::notEqual, stack_size_okay); |
| 509 __ stop("stack size is zero"); | |
| 510 __ bind(stack_size_okay); | |
| 511 #endif | |
| 512 | |
| 513 // Add stack base to locals and subtract stack size | |
| 304 | 514 __ addptr(rax, stack_base); |
| 515 __ subptr(rax, stack_size); | |
| 0 | 516 |
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517 // Use the maximum number of pages we might bang. |
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518 const int max_pages = StackShadowPages > (StackRedPages+StackYellowPages) ? StackShadowPages : |
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519 (StackRedPages+StackYellowPages); |
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520 |
| 0 | 521 // add in the red and yellow zone sizes |
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522 __ addptr(rax, max_pages * page_size); |
| 0 | 523 |
| 524 // check against the current stack bottom | |
| 304 | 525 __ cmpptr(rsp, rax); |
| 0 | 526 __ jcc(Assembler::above, after_frame_check); |
| 527 | |
| 4743 | 528 // Restore sender's sp as SP. This is necessary if the sender's |
| 529 // frame is an extended compiled frame (see gen_c2i_adapter()) | |
| 530 // and safer anyway in case of JSR292 adaptations. | |
| 531 | |
| 532 __ pop(rax); // return address must be moved if SP is changed | |
| 533 __ mov(rsp, r13); | |
| 534 __ push(rax); | |
| 535 | |
| 536 // Note: the restored frame is not necessarily interpreted. | |
| 537 // Use the shared runtime version of the StackOverflowError. | |
| 538 assert(StubRoutines::throw_StackOverflowError_entry() != NULL, "stub not yet generated"); | |
| 539 __ jump(ExternalAddress(StubRoutines::throw_StackOverflowError_entry())); | |
| 0 | 540 |
| 541 // all done with frame size check | |
| 542 __ bind(after_frame_check); | |
| 543 } | |
| 544 | |
| 545 // Allocate monitor and lock method (asm interpreter) | |
| 546 // | |
| 547 // Args: | |
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548 // rbx: Method* |
| 0 | 549 // r14: locals |
| 550 // | |
| 551 // Kills: | |
| 552 // rax | |
| 553 // c_rarg0, c_rarg1, c_rarg2, c_rarg3, ...(param regs) | |
| 554 // rscratch1, rscratch2 (scratch regs) | |
| 555 void InterpreterGenerator::lock_method(void) { | |
| 556 // synchronize method | |
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557 const Address access_flags(rbx, Method::access_flags_offset()); |
| 0 | 558 const Address monitor_block_top( |
| 559 rbp, | |
| 560 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
| 561 const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; | |
| 562 | |
| 563 #ifdef ASSERT | |
| 564 { | |
| 565 Label L; | |
| 566 __ movl(rax, access_flags); | |
| 567 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
| 568 __ jcc(Assembler::notZero, L); | |
| 569 __ stop("method doesn't need synchronization"); | |
| 570 __ bind(L); | |
| 571 } | |
| 572 #endif // ASSERT | |
| 573 | |
| 574 // get synchronization object | |
| 575 { | |
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576 const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
| 0 | 577 Label done; |
| 578 __ movl(rax, access_flags); | |
| 579 __ testl(rax, JVM_ACC_STATIC); | |
| 580 // get receiver (assume this is frequent case) | |
| 304 | 581 __ movptr(rax, Address(r14, Interpreter::local_offset_in_bytes(0))); |
| 0 | 582 __ jcc(Assembler::zero, done); |
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583 __ movptr(rax, Address(rbx, Method::const_offset())); |
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584 __ movptr(rax, Address(rax, ConstMethod::constants_offset())); |
| 304 | 585 __ movptr(rax, Address(rax, |
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586 ConstantPool::pool_holder_offset_in_bytes())); |
| 304 | 587 __ movptr(rax, Address(rax, mirror_offset)); |
| 0 | 588 |
| 589 #ifdef ASSERT | |
| 590 { | |
| 591 Label L; | |
| 304 | 592 __ testptr(rax, rax); |
| 0 | 593 __ jcc(Assembler::notZero, L); |
| 594 __ stop("synchronization object is NULL"); | |
| 595 __ bind(L); | |
| 596 } | |
| 597 #endif // ASSERT | |
| 598 | |
| 599 __ bind(done); | |
| 600 } | |
| 601 | |
| 602 // add space for monitor & lock | |
| 304 | 603 __ subptr(rsp, entry_size); // add space for a monitor entry |
| 604 __ movptr(monitor_block_top, rsp); // set new monitor block top | |
| 0 | 605 // store object |
| 304 | 606 __ movptr(Address(rsp, BasicObjectLock::obj_offset_in_bytes()), rax); |
| 607 __ movptr(c_rarg1, rsp); // object address | |
| 0 | 608 __ lock_object(c_rarg1); |
| 609 } | |
| 610 | |
| 611 // Generate a fixed interpreter frame. This is identical setup for | |
| 612 // interpreted methods and for native methods hence the shared code. | |
| 613 // | |
| 614 // Args: | |
| 615 // rax: return address | |
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616 // rbx: Method* |
| 0 | 617 // r14: pointer to locals |
| 618 // r13: sender sp | |
| 619 // rdx: cp cache | |
| 620 void TemplateInterpreterGenerator::generate_fixed_frame(bool native_call) { | |
| 621 // initialize fixed part of activation frame | |
| 304 | 622 __ push(rax); // save return address |
| 0 | 623 __ enter(); // save old & set new rbp |
| 304 | 624 __ push(r13); // set sender sp |
| 625 __ push((int)NULL_WORD); // leave last_sp as null | |
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626 __ movptr(r13, Address(rbx, Method::const_offset())); // get ConstMethod* |
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627 __ lea(r13, Address(r13, ConstMethod::codes_offset())); // get codebase |
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628 __ push(rbx); // save Method* |
| 0 | 629 if (ProfileInterpreter) { |
| 630 Label method_data_continue; | |
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631 __ movptr(rdx, Address(rbx, in_bytes(Method::method_data_offset()))); |
| 304 | 632 __ testptr(rdx, rdx); |
| 0 | 633 __ jcc(Assembler::zero, method_data_continue); |
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634 __ addptr(rdx, in_bytes(MethodData::data_offset())); |
| 0 | 635 __ bind(method_data_continue); |
| 304 | 636 __ push(rdx); // set the mdp (method data pointer) |
| 0 | 637 } else { |
| 304 | 638 __ push(0); |
| 0 | 639 } |
| 640 | |
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641 __ movptr(rdx, Address(rbx, Method::const_offset())); |
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642 __ movptr(rdx, Address(rdx, ConstMethod::constants_offset())); |
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643 __ movptr(rdx, Address(rdx, ConstantPool::cache_offset_in_bytes())); |
| 304 | 644 __ push(rdx); // set constant pool cache |
| 645 __ push(r14); // set locals pointer | |
| 0 | 646 if (native_call) { |
| 304 | 647 __ push(0); // no bcp |
| 0 | 648 } else { |
| 304 | 649 __ push(r13); // set bcp |
| 0 | 650 } |
| 304 | 651 __ push(0); // reserve word for pointer to expression stack bottom |
| 652 __ movptr(Address(rsp, 0), rsp); // set expression stack bottom | |
| 0 | 653 } |
| 654 | |
| 655 // End of helpers | |
| 656 | |
| 304 | 657 // Various method entries |
| 658 //------------------------------------------------------------------------------------------------------------------------ | |
| 659 // | |
| 660 // | |
| 661 | |
| 662 // Call an accessor method (assuming it is resolved, otherwise drop | |
| 663 // into vanilla (slow path) entry | |
| 664 address InterpreterGenerator::generate_accessor_entry(void) { | |
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665 // rbx: Method* |
| 304 | 666 |
| 667 // r13: senderSP must preserver for slow path, set SP to it on fast path | |
| 668 | |
| 669 address entry_point = __ pc(); | |
| 670 Label xreturn_path; | |
| 671 | |
| 672 // do fastpath for resolved accessor methods | |
| 673 if (UseFastAccessorMethods) { | |
| 674 // Code: _aload_0, _(i|a)getfield, _(i|a)return or any rewrites | |
| 675 // thereof; parameter size = 1 | |
| 676 // Note: We can only use this code if the getfield has been resolved | |
| 677 // and if we don't have a null-pointer exception => check for | |
| 678 // these conditions first and use slow path if necessary. | |
| 679 Label slow_path; | |
| 680 // If we need a safepoint check, generate full interpreter entry. | |
| 681 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), | |
| 682 SafepointSynchronize::_not_synchronized); | |
| 683 | |
| 684 __ jcc(Assembler::notEqual, slow_path); | |
| 685 // rbx: method | |
| 686 __ movptr(rax, Address(rsp, wordSize)); | |
| 687 | |
| 688 // check if local 0 != NULL and read field | |
| 689 __ testptr(rax, rax); | |
| 690 __ jcc(Assembler::zero, slow_path); | |
| 691 | |
| 692 // read first instruction word and extract bytecode @ 1 and index @ 2 | |
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693 __ movptr(rdx, Address(rbx, Method::const_offset())); |
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694 __ movptr(rdi, Address(rdx, ConstMethod::constants_offset())); |
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695 __ movl(rdx, Address(rdx, ConstMethod::codes_offset())); |
| 304 | 696 // Shift codes right to get the index on the right. |
| 697 // The bytecode fetched looks like <index><0xb4><0x2a> | |
| 698 __ shrl(rdx, 2 * BitsPerByte); | |
| 699 __ shll(rdx, exact_log2(in_words(ConstantPoolCacheEntry::size()))); | |
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700 __ movptr(rdi, Address(rdi, ConstantPool::cache_offset_in_bytes())); |
| 304 | 701 |
| 702 // rax: local 0 | |
| 703 // rbx: method | |
| 704 // rdx: constant pool cache index | |
| 705 // rdi: constant pool cache | |
| 706 | |
| 707 // check if getfield has been resolved and read constant pool cache entry | |
| 708 // check the validity of the cache entry by testing whether _indices field | |
| 709 // contains Bytecode::_getfield in b1 byte. | |
| 710 assert(in_words(ConstantPoolCacheEntry::size()) == 4, | |
| 711 "adjust shift below"); | |
| 712 __ movl(rcx, | |
| 713 Address(rdi, | |
| 714 rdx, | |
| 715 Address::times_8, | |
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716 ConstantPoolCache::base_offset() + |
| 304 | 717 ConstantPoolCacheEntry::indices_offset())); |
| 718 __ shrl(rcx, 2 * BitsPerByte); | |
| 719 __ andl(rcx, 0xFF); | |
| 720 __ cmpl(rcx, Bytecodes::_getfield); | |
| 721 __ jcc(Assembler::notEqual, slow_path); | |
| 722 | |
| 723 // Note: constant pool entry is not valid before bytecode is resolved | |
| 724 __ movptr(rcx, | |
| 725 Address(rdi, | |
| 726 rdx, | |
| 727 Address::times_8, | |
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728 ConstantPoolCache::base_offset() + |
| 304 | 729 ConstantPoolCacheEntry::f2_offset())); |
| 730 // edx: flags | |
| 731 __ movl(rdx, | |
| 732 Address(rdi, | |
| 733 rdx, | |
| 734 Address::times_8, | |
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735 ConstantPoolCache::base_offset() + |
| 304 | 736 ConstantPoolCacheEntry::flags_offset())); |
| 737 | |
| 738 Label notObj, notInt, notByte, notShort; | |
| 739 const Address field_address(rax, rcx, Address::times_1); | |
| 740 | |
| 741 // Need to differentiate between igetfield, agetfield, bgetfield etc. | |
| 742 // because they are different sizes. | |
| 743 // Use the type from the constant pool cache | |
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744 __ shrl(rdx, ConstantPoolCacheEntry::tos_state_shift); |
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745 // Make sure we don't need to mask edx after the above shift |
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746 ConstantPoolCacheEntry::verify_tos_state_shift(); |
| 304 | 747 |
| 748 __ cmpl(rdx, atos); | |
| 749 __ jcc(Assembler::notEqual, notObj); | |
| 750 // atos | |
| 751 __ load_heap_oop(rax, field_address); | |
| 752 __ jmp(xreturn_path); | |
| 753 | |
| 754 __ bind(notObj); | |
| 755 __ cmpl(rdx, itos); | |
| 756 __ jcc(Assembler::notEqual, notInt); | |
| 757 // itos | |
| 758 __ movl(rax, field_address); | |
| 759 __ jmp(xreturn_path); | |
| 760 | |
| 761 __ bind(notInt); | |
| 762 __ cmpl(rdx, btos); | |
| 763 __ jcc(Assembler::notEqual, notByte); | |
| 764 // btos | |
| 765 __ load_signed_byte(rax, field_address); | |
| 766 __ jmp(xreturn_path); | |
| 767 | |
| 768 __ bind(notByte); | |
| 769 __ cmpl(rdx, stos); | |
| 770 __ jcc(Assembler::notEqual, notShort); | |
| 771 // stos | |
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772 __ load_signed_short(rax, field_address); |
| 304 | 773 __ jmp(xreturn_path); |
| 774 | |
| 775 __ bind(notShort); | |
| 776 #ifdef ASSERT | |
| 777 Label okay; | |
| 778 __ cmpl(rdx, ctos); | |
| 779 __ jcc(Assembler::equal, okay); | |
| 780 __ stop("what type is this?"); | |
| 781 __ bind(okay); | |
| 782 #endif | |
| 783 // ctos | |
|
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784 __ load_unsigned_short(rax, field_address); |
| 304 | 785 |
| 786 __ bind(xreturn_path); | |
| 787 | |
| 788 // _ireturn/_areturn | |
| 789 __ pop(rdi); | |
| 790 __ mov(rsp, r13); | |
| 791 __ jmp(rdi); | |
| 792 __ ret(0); | |
| 793 | |
| 794 // generate a vanilla interpreter entry as the slow path | |
| 795 __ bind(slow_path); | |
| 796 (void) generate_normal_entry(false); | |
| 797 } else { | |
| 798 (void) generate_normal_entry(false); | |
| 799 } | |
| 800 | |
| 801 return entry_point; | |
| 802 } | |
| 803 | |
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804 // Method entry for java.lang.ref.Reference.get. |
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805 address InterpreterGenerator::generate_Reference_get_entry(void) { |
|
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806 #if INCLUDE_ALL_GCS |
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807 // Code: _aload_0, _getfield, _areturn |
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808 // parameter size = 1 |
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809 // |
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810 // The code that gets generated by this routine is split into 2 parts: |
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811 // 1. The "intrinsified" code for G1 (or any SATB based GC), |
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812 // 2. The slow path - which is an expansion of the regular method entry. |
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813 // |
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814 // Notes:- |
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815 // * In the G1 code we do not check whether we need to block for |
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816 // a safepoint. If G1 is enabled then we must execute the specialized |
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817 // code for Reference.get (except when the Reference object is null) |
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818 // so that we can log the value in the referent field with an SATB |
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819 // update buffer. |
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820 // If the code for the getfield template is modified so that the |
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821 // G1 pre-barrier code is executed when the current method is |
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822 // Reference.get() then going through the normal method entry |
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823 // will be fine. |
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824 // * The G1 code can, however, check the receiver object (the instance |
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825 // of java.lang.Reference) and jump to the slow path if null. If the |
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826 // Reference object is null then we obviously cannot fetch the referent |
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827 // and so we don't need to call the G1 pre-barrier. Thus we can use the |
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828 // regular method entry code to generate the NPE. |
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829 // |
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830 // This code is based on generate_accessor_enty. |
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831 // |
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832 // rbx: Method* |
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833 |
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834 // r13: senderSP must preserve for slow path, set SP to it on fast path |
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835 |
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836 address entry = __ pc(); |
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837 |
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838 const int referent_offset = java_lang_ref_Reference::referent_offset; |
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839 guarantee(referent_offset > 0, "referent offset not initialized"); |
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840 |
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841 if (UseG1GC) { |
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842 Label slow_path; |
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843 // rbx: method |
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844 |
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845 // Check if local 0 != NULL |
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846 // If the receiver is null then it is OK to jump to the slow path. |
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847 __ movptr(rax, Address(rsp, wordSize)); |
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848 |
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849 __ testptr(rax, rax); |
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850 __ jcc(Assembler::zero, slow_path); |
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851 |
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852 // rax: local 0 |
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853 // rbx: method (but can be used as scratch now) |
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854 // rdx: scratch |
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855 // rdi: scratch |
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856 |
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857 // Generate the G1 pre-barrier code to log the value of |
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858 // the referent field in an SATB buffer. |
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859 |
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860 // Load the value of the referent field. |
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861 const Address field_address(rax, referent_offset); |
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862 __ load_heap_oop(rax, field_address); |
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863 |
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864 // Generate the G1 pre-barrier code to log the value of |
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865 // the referent field in an SATB buffer. |
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866 __ g1_write_barrier_pre(noreg /* obj */, |
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867 rax /* pre_val */, |
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868 r15_thread /* thread */, |
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869 rbx /* tmp */, |
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870 true /* tosca_live */, |
|
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|
871 true /* expand_call */); |
|
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|
872 |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
873 // _areturn |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
874 __ pop(rdi); // get return address |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
875 __ mov(rsp, r13); // set sp to sender sp |
|
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|
876 __ jmp(rdi); |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
877 __ ret(0); |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
878 |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
879 // generate a vanilla interpreter entry as the slow path |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
880 __ bind(slow_path); |
|
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diff
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|
881 (void) generate_normal_entry(false); |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
882 |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
883 return entry; |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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diff
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|
884 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
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diff
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|
885 #endif // INCLUDE_ALL_GCS |
|
3249
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diff
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|
886 |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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diff
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|
887 // If G1 is not enabled then attempt to go through the accessor entry point |
|
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|
888 // Reference.get is an accessor |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
889 return generate_accessor_entry(); |
|
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|
890 } |
|
e1162778c1c8
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diff
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|
891 |
|
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:
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diff
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|
892 #ifdef GRAAL |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
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|
893 |
|
9025
ff5a32117e02
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
894 // Interpreter stub for calling a compiled method with 3 object arguments |
|
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Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
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|
895 address InterpreterGenerator::generate_execute_compiled_method_entry() { |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
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|
896 address entry_point = __ pc(); |
|
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
897 |
|
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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
|
898 // Pick up the return address |
|
ff5a32117e02
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
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|
899 __ movptr(rax, Address(rsp, 0)); |
|
ff5a32117e02
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
900 |
|
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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
|
901 // 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
|
902 // 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
|
903 __ 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:
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diff
changeset
|
904 |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
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|
905 // Ensure compiled code always sees stack at proper alignment |
|
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
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|
906 __ andptr(rsp, -16); |
|
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 |
|
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 // push the return address and misalign the stack that youngest frame always sees |
|
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
|
909 // as far as the placement of the call instruction |
|
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
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|
910 __ push(rax); |
|
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
|
911 |
|
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
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|
912 // 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
|
913 // 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
|
914 __ 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:
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diff
changeset
|
915 |
|
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
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|
916 // Move second object argument. |
|
10475
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Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
changeset
|
917 __ movq(j_rarg1, Address(r11, Interpreter::stackElementSize*3)); |
|
9046
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
918 |
|
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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:
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|
919 // Move third object argument. |
|
10475
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
changeset
|
920 __ 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
|
921 |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
922 // 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>
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10408
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changeset
|
923 __ 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
|
924 |
|
10475
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
925 // 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
|
926 __ 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
|
927 |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
928 // Check whether the nmethod was invalidated |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
changeset
|
929 __ testq(j_rarg3, j_rarg3); |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
changeset
|
930 Label invalid_nmethod; |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
931 __ 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>
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diff
changeset
|
932 |
|
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
changeset
|
933 // 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:
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diff
changeset
|
934 __ 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
|
935 |
|
10475
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
936 __ bind(invalid_nmethod); |
|
10479
40b8c383bc31
Throw InvalidInstalledCodeException directly in the stubs.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10475
diff
changeset
|
937 |
|
40b8c383bc31
Throw InvalidInstalledCodeException directly in the stubs.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10475
diff
changeset
|
938 __ 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
|
939 // 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
|
940 __ 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
|
941 |
|
9025
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
changeset
|
942 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>
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diff
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|
943 } |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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parents:
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diff
changeset
|
944 |
|
9046
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
changeset
|
945 #endif |
|
3249
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johnc
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|
946 |
| 0 | 947 // Interpreter stub for calling a native method. (asm interpreter) |
| 948 // This sets up a somewhat different looking stack for calling the | |
| 949 // native method than the typical interpreter frame setup. | |
| 950 address InterpreterGenerator::generate_native_entry(bool synchronized) { | |
| 951 // determine code generation flags | |
| 952 bool inc_counter = UseCompiler || CountCompiledCalls; | |
| 953 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
954 // rbx: Method* |
| 0 | 955 // r13: sender sp |
| 956 | |
| 957 address entry_point = __ pc(); | |
| 958 | |
|
7402
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7199
diff
changeset
|
959 const Address constMethod (rbx, Method::const_offset()); |
|
6725
da91efe96a93
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changeset
|
960 const Address access_flags (rbx, Method::access_flags_offset()); |
|
7402
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8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
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7199
diff
changeset
|
961 const Address size_of_parameters(rcx, ConstMethod:: |
|
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
7199
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changeset
|
962 size_of_parameters_offset()); |
|
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
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7199
diff
changeset
|
963 |
| 0 | 964 |
| 965 // get parameter size (always needed) | |
|
7402
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jiangli
parents:
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diff
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|
966 __ movptr(rcx, constMethod); |
|
622
56aae7be60d4
6812678: macro assembler needs delayed binding of a few constants (for 6655638)
jrose
parents:
605
diff
changeset
|
967 __ load_unsigned_short(rcx, size_of_parameters); |
| 0 | 968 |
| 969 // native calls don't need the stack size check since they have no | |
| 970 // expression stack and the arguments are already on the stack and | |
| 971 // we only add a handful of words to the stack | |
| 972 | |
|
6725
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|
973 // rbx: Method* |
| 0 | 974 // rcx: size of parameters |
| 975 // r13: sender sp | |
| 304 | 976 __ pop(rax); // get return address |
| 0 | 977 |
| 978 // for natives the size of locals is zero | |
| 979 | |
| 980 // compute beginning of parameters (r14) | |
| 304 | 981 __ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize)); |
| 0 | 982 |
| 983 // add 2 zero-initialized slots for native calls | |
| 984 // initialize result_handler slot | |
| 304 | 985 __ push((int) NULL_WORD); |
| 0 | 986 // slot for oop temp |
| 987 // (static native method holder mirror/jni oop result) | |
| 304 | 988 __ push((int) NULL_WORD); |
| 0 | 989 |
| 990 // initialize fixed part of activation frame | |
| 991 generate_fixed_frame(true); | |
| 992 | |
| 993 // make sure method is native & not abstract | |
| 994 #ifdef ASSERT | |
| 995 __ movl(rax, access_flags); | |
| 996 { | |
| 997 Label L; | |
| 998 __ testl(rax, JVM_ACC_NATIVE); | |
| 999 __ jcc(Assembler::notZero, L); | |
| 1000 __ stop("tried to execute non-native method as native"); | |
| 1001 __ bind(L); | |
| 1002 } | |
| 1003 { | |
| 1004 Label L; | |
| 1005 __ testl(rax, JVM_ACC_ABSTRACT); | |
| 1006 __ jcc(Assembler::zero, L); | |
| 1007 __ stop("tried to execute abstract method in interpreter"); | |
| 1008 __ bind(L); | |
| 1009 } | |
| 1010 #endif | |
| 1011 | |
| 1012 // Since at this point in the method invocation the exception handler | |
| 1013 // would try to exit the monitor of synchronized methods which hasn't | |
| 1014 // been entered yet, we set the thread local variable | |
| 1015 // _do_not_unlock_if_synchronized to true. The remove_activation will | |
| 1016 // check this flag. | |
| 1017 | |
| 1018 const Address do_not_unlock_if_synchronized(r15_thread, | |
| 1019 in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); | |
| 1020 __ movbool(do_not_unlock_if_synchronized, true); | |
| 1021 | |
| 1022 // increment invocation count & check for overflow | |
| 1023 Label invocation_counter_overflow; | |
| 1024 if (inc_counter) { | |
| 1025 generate_counter_incr(&invocation_counter_overflow, NULL, NULL); | |
| 1026 } | |
| 1027 | |
| 1028 Label continue_after_compile; | |
| 1029 __ bind(continue_after_compile); | |
| 1030 | |
| 1031 bang_stack_shadow_pages(true); | |
| 1032 | |
| 1033 // reset the _do_not_unlock_if_synchronized flag | |
| 1034 __ movbool(do_not_unlock_if_synchronized, false); | |
| 1035 | |
| 1036 // check for synchronized methods | |
| 1037 // Must happen AFTER invocation_counter check and stack overflow check, | |
| 1038 // so method is not locked if overflows. | |
| 1039 if (synchronized) { | |
| 1040 lock_method(); | |
| 1041 } else { | |
| 1042 // no synchronization necessary | |
| 1043 #ifdef ASSERT | |
| 1044 { | |
| 1045 Label L; | |
| 1046 __ movl(rax, access_flags); | |
| 1047 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
| 1048 __ jcc(Assembler::zero, L); | |
| 1049 __ stop("method needs synchronization"); | |
| 1050 __ bind(L); | |
| 1051 } | |
| 1052 #endif | |
| 1053 } | |
| 1054 | |
| 1055 // start execution | |
| 1056 #ifdef ASSERT | |
| 1057 { | |
| 1058 Label L; | |
| 1059 const Address monitor_block_top(rbp, | |
| 1060 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
| 304 | 1061 __ movptr(rax, monitor_block_top); |
| 1062 __ cmpptr(rax, rsp); | |
| 0 | 1063 __ jcc(Assembler::equal, L); |
| 1064 __ stop("broken stack frame setup in interpreter"); | |
| 1065 __ bind(L); | |
| 1066 } | |
| 1067 #endif | |
| 1068 | |
| 1069 // jvmti support | |
| 1070 __ notify_method_entry(); | |
| 1071 | |
| 1072 // work registers | |
| 1073 const Register method = rbx; | |
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1074 const Register t = r11; |
| 0 | 1075 |
| 1076 // allocate space for parameters | |
| 1077 __ get_method(method); | |
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1078 __ movptr(t, Address(method, Method::const_offset())); |
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1079 __ load_unsigned_short(t, Address(t, ConstMethod::size_of_parameters_offset())); |
| 1506 | 1080 __ shll(t, Interpreter::logStackElementSize); |
| 0 | 1081 |
| 304 | 1082 __ subptr(rsp, t); |
| 1083 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows | |
| 605 | 1084 __ andptr(rsp, -16); // must be 16 byte boundary (see amd64 ABI) |
| 0 | 1085 |
| 1086 // get signature handler | |
| 1087 { | |
| 1088 Label L; | |
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1089 __ movptr(t, Address(method, Method::signature_handler_offset())); |
| 304 | 1090 __ testptr(t, t); |
| 0 | 1091 __ jcc(Assembler::notZero, L); |
| 1092 __ call_VM(noreg, | |
| 1093 CAST_FROM_FN_PTR(address, | |
| 1094 InterpreterRuntime::prepare_native_call), | |
| 1095 method); | |
| 1096 __ get_method(method); | |
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1097 __ movptr(t, Address(method, Method::signature_handler_offset())); |
| 0 | 1098 __ bind(L); |
| 1099 } | |
| 1100 | |
| 1101 // call signature handler | |
| 1102 assert(InterpreterRuntime::SignatureHandlerGenerator::from() == r14, | |
| 1103 "adjust this code"); | |
| 1104 assert(InterpreterRuntime::SignatureHandlerGenerator::to() == rsp, | |
| 1105 "adjust this code"); | |
| 1106 assert(InterpreterRuntime::SignatureHandlerGenerator::temp() == rscratch1, | |
| 1107 "adjust this code"); | |
| 1108 | |
| 1109 // The generated handlers do not touch RBX (the method oop). | |
| 1110 // However, large signatures cannot be cached and are generated | |
| 1111 // each time here. The slow-path generator can do a GC on return, | |
| 1112 // so we must reload it after the call. | |
| 1113 __ call(t); | |
| 1114 __ get_method(method); // slow path can do a GC, reload RBX | |
| 1115 | |
| 1116 | |
| 1117 // result handler is in rax | |
| 1118 // set result handler | |
| 304 | 1119 __ movptr(Address(rbp, |
| 1120 (frame::interpreter_frame_result_handler_offset) * wordSize), | |
| 1121 rax); | |
| 0 | 1122 |
| 1123 // pass mirror handle if static call | |
| 1124 { | |
| 1125 Label L; | |
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1126 const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
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1127 __ movl(t, Address(method, Method::access_flags_offset())); |
| 0 | 1128 __ testl(t, JVM_ACC_STATIC); |
| 1129 __ jcc(Assembler::zero, L); | |
| 1130 // get mirror | |
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1131 __ movptr(t, Address(method, Method::const_offset())); |
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1132 __ movptr(t, Address(t, ConstMethod::constants_offset())); |
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1133 __ movptr(t, Address(t, ConstantPool::pool_holder_offset_in_bytes())); |
| 304 | 1134 __ movptr(t, Address(t, mirror_offset)); |
| 0 | 1135 // copy mirror into activation frame |
| 304 | 1136 __ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize), |
| 0 | 1137 t); |
| 1138 // pass handle to mirror | |
| 304 | 1139 __ lea(c_rarg1, |
| 1140 Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize)); | |
| 0 | 1141 __ bind(L); |
| 1142 } | |
| 1143 | |
| 1144 // get native function entry point | |
| 1145 { | |
| 1146 Label L; | |
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1147 __ movptr(rax, Address(method, Method::native_function_offset())); |
| 0 | 1148 ExternalAddress unsatisfied(SharedRuntime::native_method_throw_unsatisfied_link_error_entry()); |
| 1149 __ movptr(rscratch2, unsatisfied.addr()); | |
| 304 | 1150 __ cmpptr(rax, rscratch2); |
| 0 | 1151 __ jcc(Assembler::notEqual, L); |
| 1152 __ call_VM(noreg, | |
| 1153 CAST_FROM_FN_PTR(address, | |
| 1154 InterpreterRuntime::prepare_native_call), | |
| 1155 method); | |
| 1156 __ get_method(method); | |
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1157 __ movptr(rax, Address(method, Method::native_function_offset())); |
| 0 | 1158 __ bind(L); |
| 1159 } | |
| 1160 | |
| 1161 // pass JNIEnv | |
| 304 | 1162 __ lea(c_rarg0, Address(r15_thread, JavaThread::jni_environment_offset())); |
| 0 | 1163 |
| 1164 // It is enough that the pc() points into the right code | |
| 1165 // segment. It does not have to be the correct return pc. | |
| 1166 __ set_last_Java_frame(rsp, rbp, (address) __ pc()); | |
| 1167 | |
| 1168 // change thread state | |
| 1169 #ifdef ASSERT | |
| 1170 { | |
| 1171 Label L; | |
| 1172 __ movl(t, Address(r15_thread, JavaThread::thread_state_offset())); | |
| 1173 __ cmpl(t, _thread_in_Java); | |
| 1174 __ jcc(Assembler::equal, L); | |
| 1175 __ stop("Wrong thread state in native stub"); | |
| 1176 __ bind(L); | |
| 1177 } | |
| 1178 #endif | |
| 1179 | |
| 1180 // Change state to native | |
| 1181 | |
| 1182 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), | |
| 1183 _thread_in_native); | |
| 1184 | |
| 1185 // Call the native method. | |
| 1186 __ call(rax); | |
| 1187 // result potentially in rax or xmm0 | |
| 1188 | |
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1189 // Verify or restore cpu control state after JNI call |
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1190 __ restore_cpu_control_state_after_jni(); |
| 0 | 1191 |
| 1192 // NOTE: The order of these pushes is known to frame::interpreter_frame_result | |
| 1193 // in order to extract the result of a method call. If the order of these | |
| 1194 // pushes change or anything else is added to the stack then the code in | |
| 1195 // interpreter_frame_result must also change. | |
| 1196 | |
| 1197 __ push(dtos); | |
| 1198 __ push(ltos); | |
| 1199 | |
| 1200 // change thread state | |
| 1201 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), | |
| 1202 _thread_in_native_trans); | |
| 1203 | |
| 1204 if (os::is_MP()) { | |
| 1205 if (UseMembar) { | |
| 1206 // Force this write out before the read below | |
| 1207 __ membar(Assembler::Membar_mask_bits( | |
| 1208 Assembler::LoadLoad | Assembler::LoadStore | | |
| 1209 Assembler::StoreLoad | Assembler::StoreStore)); | |
| 1210 } else { | |
| 1211 // Write serialization page so VM thread can do a pseudo remote membar. | |
| 1212 // We use the current thread pointer to calculate a thread specific | |
| 1213 // offset to write to within the page. This minimizes bus traffic | |
| 1214 // due to cache line collision. | |
| 1215 __ serialize_memory(r15_thread, rscratch2); | |
| 1216 } | |
| 1217 } | |
| 1218 | |
| 1219 // check for safepoint operation in progress and/or pending suspend requests | |
| 1220 { | |
| 1221 Label Continue; | |
| 1222 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), | |
| 1223 SafepointSynchronize::_not_synchronized); | |
| 1224 | |
| 1225 Label L; | |
| 1226 __ jcc(Assembler::notEqual, L); | |
| 1227 __ cmpl(Address(r15_thread, JavaThread::suspend_flags_offset()), 0); | |
| 1228 __ jcc(Assembler::equal, Continue); | |
| 1229 __ bind(L); | |
| 1230 | |
| 1231 // Don't use call_VM as it will see a possible pending exception | |
| 1232 // and forward it and never return here preventing us from | |
| 1233 // clearing _last_native_pc down below. Also can't use | |
| 1234 // call_VM_leaf either as it will check to see if r13 & r14 are | |
| 1235 // preserved and correspond to the bcp/locals pointers. So we do a | |
| 1236 // runtime call by hand. | |
| 1237 // | |
| 304 | 1238 __ mov(c_rarg0, r15_thread); |
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1239 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
| 304 | 1240 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
| 1241 __ andptr(rsp, -16); // align stack as required by ABI | |
| 0 | 1242 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, JavaThread::check_special_condition_for_native_trans))); |
| 304 | 1243 __ mov(rsp, r12); // restore sp |
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1244 __ reinit_heapbase(); |
| 0 | 1245 __ bind(Continue); |
| 1246 } | |
| 1247 | |
| 1248 // change thread state | |
| 1249 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), _thread_in_Java); | |
| 1250 | |
| 1251 // reset_last_Java_frame | |
| 1252 __ reset_last_Java_frame(true, true); | |
| 1253 | |
| 1254 // reset handle block | |
| 304 | 1255 __ movptr(t, Address(r15_thread, JavaThread::active_handles_offset())); |
| 1256 __ movptr(Address(t, JNIHandleBlock::top_offset_in_bytes()), (int32_t)NULL_WORD); | |
| 0 | 1257 |
| 1258 // If result is an oop unbox and store it in frame where gc will see it | |
| 1259 // and result handler will pick it up | |
| 1260 | |
| 1261 { | |
| 1262 Label no_oop, store_result; | |
| 1263 __ lea(t, ExternalAddress(AbstractInterpreter::result_handler(T_OBJECT))); | |
| 304 | 1264 __ cmpptr(t, Address(rbp, frame::interpreter_frame_result_handler_offset*wordSize)); |
| 0 | 1265 __ jcc(Assembler::notEqual, no_oop); |
| 1266 // retrieve result | |
| 1267 __ pop(ltos); | |
| 304 | 1268 __ testptr(rax, rax); |
| 0 | 1269 __ jcc(Assembler::zero, store_result); |
| 304 | 1270 __ movptr(rax, Address(rax, 0)); |
| 0 | 1271 __ bind(store_result); |
| 304 | 1272 __ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize), rax); |
| 0 | 1273 // keep stack depth as expected by pushing oop which will eventually be discarde |
| 1274 __ push(ltos); | |
| 1275 __ bind(no_oop); | |
| 1276 } | |
| 1277 | |
| 1278 | |
| 1279 { | |
| 1280 Label no_reguard; | |
| 1281 __ cmpl(Address(r15_thread, JavaThread::stack_guard_state_offset()), | |
| 1282 JavaThread::stack_guard_yellow_disabled); | |
| 1283 __ jcc(Assembler::notEqual, no_reguard); | |
| 1284 | |
| 304 | 1285 __ pusha(); // XXX only save smashed registers |
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1286 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
| 304 | 1287 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
| 1288 __ andptr(rsp, -16); // align stack as required by ABI | |
| 0 | 1289 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::reguard_yellow_pages))); |
| 304 | 1290 __ mov(rsp, r12); // restore sp |
| 1291 __ popa(); // XXX only restore smashed registers | |
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1292 __ reinit_heapbase(); |
| 0 | 1293 |
| 1294 __ bind(no_reguard); | |
| 1295 } | |
| 1296 | |
| 1297 | |
| 1298 // The method register is junk from after the thread_in_native transition | |
| 1299 // until here. Also can't call_VM until the bcp has been | |
| 1300 // restored. Need bcp for throwing exception below so get it now. | |
| 1301 __ get_method(method); | |
| 1302 | |
| 1303 // restore r13 to have legal interpreter frame, i.e., bci == 0 <=> | |
| 1304 // r13 == code_base() | |
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1305 __ movptr(r13, Address(method, Method::const_offset())); // get ConstMethod* |
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1306 __ lea(r13, Address(r13, ConstMethod::codes_offset())); // get codebase |
| 0 | 1307 // handle exceptions (exception handling will handle unlocking!) |
| 1308 { | |
| 1309 Label L; | |
| 304 | 1310 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
| 0 | 1311 __ jcc(Assembler::zero, L); |
| 1312 // Note: At some point we may want to unify this with the code | |
| 1313 // used in call_VM_base(); i.e., we should use the | |
| 1314 // StubRoutines::forward_exception code. For now this doesn't work | |
| 1315 // here because the rsp is not correctly set at this point. | |
| 1316 __ MacroAssembler::call_VM(noreg, | |
| 1317 CAST_FROM_FN_PTR(address, | |
| 1318 InterpreterRuntime::throw_pending_exception)); | |
| 1319 __ should_not_reach_here(); | |
| 1320 __ bind(L); | |
| 1321 } | |
| 1322 | |
| 1323 // do unlocking if necessary | |
| 1324 { | |
| 1325 Label L; | |
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1326 __ movl(t, Address(method, Method::access_flags_offset())); |
| 0 | 1327 __ testl(t, JVM_ACC_SYNCHRONIZED); |
| 1328 __ jcc(Assembler::zero, L); | |
| 1329 // the code below should be shared with interpreter macro | |
| 1330 // assembler implementation | |
| 1331 { | |
| 1332 Label unlock; | |
| 1333 // BasicObjectLock will be first in list, since this is a | |
| 1334 // synchronized method. However, need to check that the object | |
| 1335 // has not been unlocked by an explicit monitorexit bytecode. | |
| 1336 const Address monitor(rbp, | |
| 1337 (intptr_t)(frame::interpreter_frame_initial_sp_offset * | |
| 1338 wordSize - sizeof(BasicObjectLock))); | |
| 1339 | |
| 1340 // monitor expect in c_rarg1 for slow unlock path | |
| 304 | 1341 __ lea(c_rarg1, monitor); // address of first monitor |
| 0 | 1342 |
| 304 | 1343 __ movptr(t, Address(c_rarg1, BasicObjectLock::obj_offset_in_bytes())); |
| 1344 __ testptr(t, t); | |
| 0 | 1345 __ jcc(Assembler::notZero, unlock); |
| 1346 | |
| 1347 // Entry already unlocked, need to throw exception | |
| 1348 __ MacroAssembler::call_VM(noreg, | |
| 1349 CAST_FROM_FN_PTR(address, | |
| 1350 InterpreterRuntime::throw_illegal_monitor_state_exception)); | |
| 1351 __ should_not_reach_here(); | |
| 1352 | |
| 1353 __ bind(unlock); | |
| 1354 __ unlock_object(c_rarg1); | |
| 1355 } | |
| 1356 __ bind(L); | |
| 1357 } | |
| 1358 | |
| 1359 // jvmti support | |
| 1360 // Note: This must happen _after_ handling/throwing any exceptions since | |
| 1361 // the exception handler code notifies the runtime of method exits | |
| 1362 // too. If this happens before, method entry/exit notifications are | |
| 1363 // not properly paired (was bug - gri 11/22/99). | |
| 1364 __ notify_method_exit(vtos, InterpreterMacroAssembler::NotifyJVMTI); | |
| 1365 | |
| 1366 // restore potential result in edx:eax, call result handler to | |
| 1367 // restore potential result in ST0 & handle result | |
| 1368 | |
| 1369 __ pop(ltos); | |
| 1370 __ pop(dtos); | |
| 1371 | |
| 304 | 1372 __ movptr(t, Address(rbp, |
| 1373 (frame::interpreter_frame_result_handler_offset) * wordSize)); | |
| 0 | 1374 __ call(t); |
| 1375 | |
| 1376 // remove activation | |
| 304 | 1377 __ movptr(t, Address(rbp, |
| 1378 frame::interpreter_frame_sender_sp_offset * | |
| 1379 wordSize)); // get sender sp | |
| 0 | 1380 __ leave(); // remove frame anchor |
| 304 | 1381 __ pop(rdi); // get return address |
| 1382 __ mov(rsp, t); // set sp to sender sp | |
| 0 | 1383 __ jmp(rdi); |
| 1384 | |
| 1385 if (inc_counter) { | |
| 1386 // Handle overflow of counter and compile method | |
| 1387 __ bind(invocation_counter_overflow); | |
| 1388 generate_counter_overflow(&continue_after_compile); | |
| 1389 } | |
| 1390 | |
| 1391 return entry_point; | |
| 1392 } | |
| 1393 | |
| 1394 // | |
| 1395 // Generic interpreted method entry to (asm) interpreter | |
| 1396 // | |
| 1397 address InterpreterGenerator::generate_normal_entry(bool synchronized) { | |
| 1398 // determine code generation flags | |
| 1399 bool inc_counter = UseCompiler || CountCompiledCalls; | |
| 1400 | |
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1401 // ebx: Method* |
| 0 | 1402 // r13: sender sp |
| 1403 address entry_point = __ pc(); | |
| 1404 | |
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1405 const Address constMethod(rbx, Method::const_offset()); |
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1406 const Address access_flags(rbx, Method::access_flags_offset()); |
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1407 const Address size_of_parameters(rdx, |
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1408 ConstMethod::size_of_parameters_offset()); |
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1409 const Address size_of_locals(rdx, ConstMethod::size_of_locals_offset()); |
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1410 |
| 0 | 1411 |
| 1412 // get parameter size (always needed) | |
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1413 __ movptr(rdx, constMethod); |
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1414 __ load_unsigned_short(rcx, size_of_parameters); |
| 0 | 1415 |
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1416 // rbx: Method* |
| 0 | 1417 // rcx: size of parameters |
| 1418 // r13: sender_sp (could differ from sp+wordSize if we were called via c2i ) | |
| 1419 | |
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1420 __ load_unsigned_short(rdx, size_of_locals); // get size of locals in words |
| 0 | 1421 __ subl(rdx, rcx); // rdx = no. of additional locals |
| 1422 | |
| 1423 // YYY | |
| 1424 // __ incrementl(rdx); | |
| 1425 // __ andl(rdx, -2); | |
| 1426 | |
| 1427 // see if we've got enough room on the stack for locals plus overhead. | |
| 1428 generate_stack_overflow_check(); | |
| 1429 | |
| 1430 // get return address | |
| 304 | 1431 __ pop(rax); |
| 0 | 1432 |
| 1433 // compute beginning of parameters (r14) | |
| 304 | 1434 __ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize)); |
| 0 | 1435 |
| 1436 // rdx - # of additional locals | |
| 1437 // allocate space for locals | |
| 1438 // explicitly initialize locals | |
| 1439 { | |
| 1440 Label exit, loop; | |
| 1441 __ testl(rdx, rdx); | |
| 1442 __ jcc(Assembler::lessEqual, exit); // do nothing if rdx <= 0 | |
| 1443 __ bind(loop); | |
| 304 | 1444 __ push((int) NULL_WORD); // initialize local variables |
| 0 | 1445 __ decrementl(rdx); // until everything initialized |
| 1446 __ jcc(Assembler::greater, loop); | |
| 1447 __ bind(exit); | |
| 1448 } | |
| 1449 | |
| 1450 // initialize fixed part of activation frame | |
| 1451 generate_fixed_frame(false); | |
| 1452 | |
| 1453 // make sure method is not native & not abstract | |
| 1454 #ifdef ASSERT | |
| 1455 __ movl(rax, access_flags); | |
| 1456 { | |
| 1457 Label L; | |
| 1458 __ testl(rax, JVM_ACC_NATIVE); | |
| 1459 __ jcc(Assembler::zero, L); | |
| 1460 __ stop("tried to execute native method as non-native"); | |
| 1461 __ bind(L); | |
| 1462 } | |
| 1463 { | |
| 1464 Label L; | |
| 1465 __ testl(rax, JVM_ACC_ABSTRACT); | |
| 1466 __ jcc(Assembler::zero, L); | |
| 1467 __ stop("tried to execute abstract method in interpreter"); | |
| 1468 __ bind(L); | |
| 1469 } | |
| 1470 #endif | |
| 1471 | |
| 1472 // Since at this point in the method invocation the exception | |
| 1473 // handler would try to exit the monitor of synchronized methods | |
| 1474 // which hasn't been entered yet, we set the thread local variable | |
| 1475 // _do_not_unlock_if_synchronized to true. The remove_activation | |
| 1476 // will check this flag. | |
| 1477 | |
| 1478 const Address do_not_unlock_if_synchronized(r15_thread, | |
| 1479 in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); | |
| 1480 __ movbool(do_not_unlock_if_synchronized, true); | |
| 1481 | |
| 1482 // increment invocation count & check for overflow | |
| 1483 Label invocation_counter_overflow; | |
| 1484 Label profile_method; | |
| 1485 Label profile_method_continue; | |
| 1486 if (inc_counter) { | |
| 1487 generate_counter_incr(&invocation_counter_overflow, | |
| 1488 &profile_method, | |
| 1489 &profile_method_continue); | |
| 1490 if (ProfileInterpreter) { | |
| 1491 __ bind(profile_method_continue); | |
| 1492 } | |
| 1493 } | |
| 1494 | |
| 1495 Label continue_after_compile; | |
| 1496 __ bind(continue_after_compile); | |
| 1497 | |
| 1498 // check for synchronized interpreted methods | |
| 1499 bang_stack_shadow_pages(false); | |
| 1500 | |
| 1501 // reset the _do_not_unlock_if_synchronized flag | |
| 1502 __ movbool(do_not_unlock_if_synchronized, false); | |
| 1503 | |
| 1504 // check for synchronized methods | |
| 1505 // Must happen AFTER invocation_counter check and stack overflow check, | |
| 1506 // so method is not locked if overflows. | |
| 1507 if (synchronized) { | |
| 1508 // Allocate monitor and lock method | |
| 1509 lock_method(); | |
| 1510 } else { | |
| 1511 // no synchronization necessary | |
| 1512 #ifdef ASSERT | |
| 1513 { | |
| 1514 Label L; | |
| 1515 __ movl(rax, access_flags); | |
| 1516 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
| 1517 __ jcc(Assembler::zero, L); | |
| 1518 __ stop("method needs synchronization"); | |
| 1519 __ bind(L); | |
| 1520 } | |
| 1521 #endif | |
| 1522 } | |
| 1523 | |
| 1524 // start execution | |
| 1525 #ifdef ASSERT | |
| 1526 { | |
| 1527 Label L; | |
| 1528 const Address monitor_block_top (rbp, | |
| 1529 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
| 304 | 1530 __ movptr(rax, monitor_block_top); |
| 1531 __ cmpptr(rax, rsp); | |
| 0 | 1532 __ jcc(Assembler::equal, L); |
| 1533 __ stop("broken stack frame setup in interpreter"); | |
| 1534 __ bind(L); | |
| 1535 } | |
| 1536 #endif | |
| 1537 | |
| 1538 // jvmti support | |
| 1539 __ notify_method_entry(); | |
| 1540 | |
| 1541 __ dispatch_next(vtos); | |
| 1542 | |
| 1543 // invocation counter overflow | |
| 1544 if (inc_counter) { | |
| 1545 if (ProfileInterpreter) { | |
| 1546 // We have decided to profile this method in the interpreter | |
| 1547 __ bind(profile_method); | |
|
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|
1548 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::profile_method)); |
|
dd031b2226de
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iveresov
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|
1549 __ set_method_data_pointer_for_bcp(); |
|
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b599a4c6c2df
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iveresov
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2118
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|
1550 __ get_method(rbx); |
| 0 | 1551 __ jmp(profile_method_continue); |
| 1552 } | |
| 1553 // Handle overflow of counter and compile method | |
| 1554 __ bind(invocation_counter_overflow); | |
| 1555 generate_counter_overflow(&continue_after_compile); | |
| 1556 } | |
| 1557 | |
| 1558 return entry_point; | |
| 1559 } | |
| 1560 | |
| 1561 // Entry points | |
| 1562 // | |
| 1563 // Here we generate the various kind of entries into the interpreter. | |
| 1564 // The two main entry type are generic bytecode methods and native | |
| 1565 // call method. These both come in synchronized and non-synchronized | |
| 1566 // versions but the frame layout they create is very similar. The | |
| 1567 // other method entry types are really just special purpose entries | |
| 1568 // that are really entry and interpretation all in one. These are for | |
| 1569 // trivial methods like accessor, empty, or special math methods. | |
| 1570 // | |
| 1571 // When control flow reaches any of the entry types for the interpreter | |
| 1572 // the following holds -> | |
| 1573 // | |
| 1574 // Arguments: | |
| 1575 // | |
|
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|
1576 // rbx: Method* |
| 0 | 1577 // |
| 1578 // Stack layout immediately at entry | |
| 1579 // | |
| 1580 // [ return address ] <--- rsp | |
| 1581 // [ parameter n ] | |
| 1582 // ... | |
| 1583 // [ parameter 1 ] | |
| 1584 // [ expression stack ] (caller's java expression stack) | |
| 1585 | |
| 1586 // Assuming that we don't go to one of the trivial specialized entries | |
| 1587 // the stack will look like below when we are ready to execute the | |
| 1588 // first bytecode (or call the native routine). The register usage | |
| 1589 // will be as the template based interpreter expects (see | |
| 1590 // interpreter_amd64.hpp). | |
| 1591 // | |
| 1592 // local variables follow incoming parameters immediately; i.e. | |
| 1593 // the return address is moved to the end of the locals). | |
| 1594 // | |
| 1595 // [ monitor entry ] <--- rsp | |
| 1596 // ... | |
| 1597 // [ monitor entry ] | |
| 1598 // [ expr. stack bottom ] | |
| 1599 // [ saved r13 ] | |
| 1600 // [ current r14 ] | |
|
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|
1601 // [ Method* ] |
| 0 | 1602 // [ saved ebp ] <--- rbp |
| 1603 // [ return address ] | |
| 1604 // [ local variable m ] | |
| 1605 // ... | |
| 1606 // [ local variable 1 ] | |
| 1607 // [ parameter n ] | |
| 1608 // ... | |
| 1609 // [ parameter 1 ] <--- r14 | |
| 1610 | |
| 1611 address AbstractInterpreterGenerator::generate_method_entry( | |
| 1612 AbstractInterpreter::MethodKind kind) { | |
| 1613 // determine code generation flags | |
| 1614 bool synchronized = false; | |
| 1615 address entry_point = NULL; | |
| 1616 | |
| 1617 switch (kind) { | |
| 1618 case Interpreter::zerolocals : break; | |
| 1619 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>
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9025
diff
changeset
|
1620 #ifdef GRAAL |
|
9025
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
1621 case Interpreter::execute_compiled_method: entry_point = ((InterpreterGenerator*)this)->generate_execute_compiled_method_entry(); break; |
|
9046
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
1622 #endif |
|
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|
1623 case Interpreter::native : entry_point = ((InterpreterGenerator*)this)->generate_native_entry(false); break; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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|
1624 case Interpreter::native_synchronized : entry_point = ((InterpreterGenerator*)this)->generate_native_entry(true); break; |
|
1d7922586cf6
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|
1625 case Interpreter::empty : entry_point = ((InterpreterGenerator*)this)->generate_empty_entry(); break; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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|
1626 case Interpreter::accessor : entry_point = ((InterpreterGenerator*)this)->generate_accessor_entry(); break; |
|
1d7922586cf6
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|
1627 case Interpreter::abstract : entry_point = ((InterpreterGenerator*)this)->generate_abstract_entry(); break; |
|
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819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
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parents:
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diff
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|
1628 |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
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|
1629 case Interpreter::java_lang_math_sin : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
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|
1630 case Interpreter::java_lang_math_cos : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
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|
1631 case Interpreter::java_lang_math_tan : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
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|
1632 case Interpreter::java_lang_math_abs : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
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|
1633 case Interpreter::java_lang_math_log : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
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|
1634 case Interpreter::java_lang_math_log10 : // fall thru |
|
6084
6759698e3140
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|
1635 case Interpreter::java_lang_math_sqrt : // fall thru |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
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|
1636 case Interpreter::java_lang_math_pow : // fall thru |
|
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|
1637 case Interpreter::java_lang_math_exp : entry_point = ((InterpreterGenerator*)this)->generate_math_entry(kind); break; |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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diff
changeset
|
1638 case Interpreter::java_lang_ref_reference_get |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
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|
1639 : entry_point = ((InterpreterGenerator*)this)->generate_Reference_get_entry(); break; |
|
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1d7922586cf6
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|
1640 default: |
|
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|
1641 fatal(err_msg("unexpected method kind: %d", kind)); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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changeset
|
1642 break; |
| 0 | 1643 } |
| 1644 | |
| 1645 if (entry_point) { | |
| 1646 return entry_point; | |
| 1647 } | |
| 1648 | |
| 1649 return ((InterpreterGenerator*) this)-> | |
| 1650 generate_normal_entry(synchronized); | |
| 1651 } | |
| 1652 | |
|
1174
ddb7834449d0
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diff
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|
1653 // These should never be compiled since the interpreter will prefer |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
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parents:
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|
1654 // the compiled version to the intrinsic version. |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
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parents:
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diff
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|
1655 bool AbstractInterpreter::can_be_compiled(methodHandle m) { |
|
ddb7834449d0
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never
parents:
1135
diff
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|
1656 switch (method_kind(m)) { |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
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1135
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changeset
|
1657 case Interpreter::java_lang_math_sin : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
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diff
changeset
|
1658 case Interpreter::java_lang_math_cos : // fall thru |
|
ddb7834449d0
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diff
changeset
|
1659 case Interpreter::java_lang_math_tan : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
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diff
changeset
|
1660 case Interpreter::java_lang_math_abs : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
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parents:
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diff
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|
1661 case Interpreter::java_lang_math_log : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
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parents:
1135
diff
changeset
|
1662 case Interpreter::java_lang_math_log10 : // fall thru |
|
6084
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7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
4771
diff
changeset
|
1663 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
|
1664 case Interpreter::java_lang_math_pow : // fall thru |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
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4771
diff
changeset
|
1665 case Interpreter::java_lang_math_exp : |
|
1174
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
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parents:
1135
diff
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|
1666 return false; |
|
ddb7834449d0
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parents:
1135
diff
changeset
|
1667 default: |
|
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parents:
1135
diff
changeset
|
1668 return true; |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
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1135
diff
changeset
|
1669 } |
|
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1135
diff
changeset
|
1670 } |
|
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|
1671 |
| 0 | 1672 // How much stack a method activation needs in words. |
|
6725
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|
1673 int AbstractInterpreter::size_top_interpreter_activation(Method* method) { |
| 0 | 1674 const int entry_size = frame::interpreter_frame_monitor_size(); |
| 1675 | |
| 1676 // total overhead size: entry_size + (saved rbp thru expr stack | |
| 1677 // bottom). be sure to change this if you add/subtract anything | |
| 1678 // to/from the overhead area | |
| 1679 const int overhead_size = | |
| 1680 -(frame::interpreter_frame_initial_sp_offset) + entry_size; | |
| 1681 | |
| 1682 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
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10141
diff
changeset
|
1683 const int method_stack = (method->max_locals() + method->max_stack()) * |
| 1506 | 1684 Interpreter::stackElementWords; |
| 0 | 1685 return (overhead_size + method_stack + stub_code); |
| 1686 } | |
| 1687 | |
|
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6266
diff
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|
1688 int AbstractInterpreter::layout_activation(Method* method, |
| 0 | 1689 int tempcount, |
| 1690 int popframe_extra_args, | |
| 1691 int moncount, | |
|
3369
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
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3252
diff
changeset
|
1692 int caller_actual_parameters, |
| 0 | 1693 int callee_param_count, |
| 1694 int callee_locals, | |
| 1695 frame* caller, | |
| 1696 frame* interpreter_frame, | |
|
8727
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roland
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8001
diff
changeset
|
1697 bool is_top_frame, |
|
0094485b46c7
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diff
changeset
|
1698 bool is_bottom_frame) { |
| 0 | 1699 // Note: This calculation must exactly parallel the frame setup |
| 1700 // in AbstractInterpreterGenerator::generate_method_entry. | |
| 1701 // If interpreter_frame!=NULL, set up the method, locals, and monitors. | |
| 1702 // The frame interpreter_frame, if not NULL, is guaranteed to be the | |
| 1703 // right size, as determined by a previous call to this method. | |
| 1704 // It is also guaranteed to be walkable even though it is in a skeletal state | |
| 1705 | |
| 1706 // fixed size of an interpreter frame: | |
| 1506 | 1707 int max_locals = method->max_locals() * Interpreter::stackElementWords; |
| 0 | 1708 int extra_locals = (method->max_locals() - method->size_of_parameters()) * |
| 1506 | 1709 Interpreter::stackElementWords; |
| 0 | 1710 |
| 1711 int overhead = frame::sender_sp_offset - | |
| 1712 frame::interpreter_frame_initial_sp_offset; | |
| 1713 // Our locals were accounted for by the caller (or last_frame_adjust | |
| 1714 // on the transistion) Since the callee parameters already account | |
| 1715 // for the callee's params we only need to account for the extra | |
| 1716 // locals. | |
| 1717 int size = overhead + | |
| 1506 | 1718 (callee_locals - callee_param_count)*Interpreter::stackElementWords + |
| 0 | 1719 moncount * frame::interpreter_frame_monitor_size() + |
| 1506 | 1720 tempcount* Interpreter::stackElementWords + popframe_extra_args; |
| 0 | 1721 if (interpreter_frame != NULL) { |
| 1722 #ifdef ASSERT | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
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2245
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changeset
|
1723 if (!EnableInvokeDynamic) |
|
1135
e66fd840cb6b
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1108
diff
changeset
|
1724 // @@@ FIXME: Should we correct interpreter_frame_sender_sp in the calling sequences? |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
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1108
diff
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|
1725 // Probably, since deoptimization doesn't work yet. |
|
e66fd840cb6b
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1108
diff
changeset
|
1726 assert(caller->unextended_sp() == interpreter_frame->interpreter_frame_sender_sp(), "Frame not properly walkable"); |
| 0 | 1727 assert(caller->sp() == interpreter_frame->sender_sp(), "Frame not properly walkable(2)"); |
| 1728 #endif | |
| 1729 | |
| 1730 interpreter_frame->interpreter_frame_set_method(method); | |
| 1731 // NOTE the difference in using sender_sp and | |
| 1732 // interpreter_frame_sender_sp interpreter_frame_sender_sp is | |
| 1733 // the original sp of the caller (the unextended_sp) and | |
| 1734 // sender_sp is fp+16 XXX | |
| 1735 intptr_t* locals = interpreter_frame->sender_sp() + max_locals - 1; | |
| 1736 | |
|
4042
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7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
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3451
diff
changeset
|
1737 #ifdef ASSERT |
|
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
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3451
diff
changeset
|
1738 if (caller->is_interpreted_frame()) { |
|
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3451
diff
changeset
|
1739 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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diff
changeset
|
1740 } |
|
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1741 #endif |
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b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
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1742 |
| 0 | 1743 interpreter_frame->interpreter_frame_set_locals(locals); |
| 1744 BasicObjectLock* montop = interpreter_frame->interpreter_frame_monitor_begin(); | |
| 1745 BasicObjectLock* monbot = montop - moncount; | |
| 1746 interpreter_frame->interpreter_frame_set_monitor_end(monbot); | |
| 1747 | |
| 1748 // Set last_sp | |
| 1749 intptr_t* esp = (intptr_t*) monbot - | |
| 1506 | 1750 tempcount*Interpreter::stackElementWords - |
| 0 | 1751 popframe_extra_args; |
| 1752 interpreter_frame->interpreter_frame_set_last_sp(esp); | |
| 1753 | |
| 1754 // All frames but the initial (oldest) interpreter frame we fill in have | |
| 1755 // a value for sender_sp that allows walking the stack but isn't | |
| 1756 // truly correct. Correct the value here. | |
| 1757 if (extra_locals != 0 && | |
| 1758 interpreter_frame->sender_sp() == | |
| 1759 interpreter_frame->interpreter_frame_sender_sp()) { | |
| 1760 interpreter_frame->set_interpreter_frame_sender_sp(caller->sp() + | |
| 1761 extra_locals); | |
| 1762 } | |
| 1763 *interpreter_frame->interpreter_frame_cache_addr() = | |
| 1764 method->constants()->cache(); | |
| 1765 } | |
| 1766 return size; | |
| 1767 } | |
| 1768 | |
| 1769 //----------------------------------------------------------------------------- | |
| 1770 // Exceptions | |
| 1771 | |
| 1772 void TemplateInterpreterGenerator::generate_throw_exception() { | |
| 1773 // Entry point in previous activation (i.e., if the caller was | |
| 1774 // interpreted) | |
| 1775 Interpreter::_rethrow_exception_entry = __ pc(); | |
| 1776 // Restore sp to interpreter_frame_last_sp even though we are going | |
| 1777 // to empty the expression stack for the exception processing. | |
| 304 | 1778 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 1779 // rax: exception |
| 1780 // rdx: return address/pc that threw exception | |
| 1781 __ restore_bcp(); // r13 points to call/send | |
| 1782 __ restore_locals(); | |
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1783 __ reinit_heapbase(); // restore r12 as heapbase. |
| 0 | 1784 // Entry point for exceptions thrown within interpreter code |
| 1785 Interpreter::_throw_exception_entry = __ pc(); | |
| 1786 // expression stack is undefined here | |
| 1787 // rax: exception | |
| 1788 // r13: exception bcp | |
| 1789 __ verify_oop(rax); | |
| 304 | 1790 __ mov(c_rarg1, rax); |
| 0 | 1791 |
| 1792 // expression stack must be empty before entering the VM in case of | |
| 1793 // an exception | |
| 1794 __ empty_expression_stack(); | |
| 1795 // find exception handler address and preserve exception oop | |
| 1796 __ call_VM(rdx, | |
| 1797 CAST_FROM_FN_PTR(address, | |
| 1798 InterpreterRuntime::exception_handler_for_exception), | |
| 1799 c_rarg1); | |
| 1800 // rax: exception handler entry point | |
| 1801 // rdx: preserved exception oop | |
| 1802 // r13: bcp for exception handler | |
| 1803 __ push_ptr(rdx); // push exception which is now the only value on the stack | |
| 1804 __ jmp(rax); // jump to exception handler (may be _remove_activation_entry!) | |
| 1805 | |
| 1806 // If the exception is not handled in the current frame the frame is | |
| 1807 // removed and the exception is rethrown (i.e. exception | |
| 1808 // continuation is _rethrow_exception). | |
| 1809 // | |
| 1810 // Note: At this point the bci is still the bxi for the instruction | |
| 1811 // which caused the exception and the expression stack is | |
| 1812 // empty. Thus, for any VM calls at this point, GC will find a legal | |
| 1813 // oop map (with empty expression stack). | |
| 1814 | |
| 1815 // In current activation | |
| 1816 // tos: exception | |
| 1817 // esi: exception bcp | |
| 1818 | |
| 1819 // | |
| 1820 // JVMTI PopFrame support | |
| 1821 // | |
| 1822 | |
| 1823 Interpreter::_remove_activation_preserving_args_entry = __ pc(); | |
| 1824 __ empty_expression_stack(); | |
| 1825 // Set the popframe_processing bit in pending_popframe_condition | |
| 1826 // indicating that we are currently handling popframe, so that | |
| 1827 // call_VMs that may happen later do not trigger new popframe | |
| 1828 // handling cycles. | |
| 1829 __ movl(rdx, Address(r15_thread, JavaThread::popframe_condition_offset())); | |
| 1830 __ orl(rdx, JavaThread::popframe_processing_bit); | |
| 1831 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), rdx); | |
| 1832 | |
| 1833 { | |
| 1834 // Check to see whether we are returning to a deoptimized frame. | |
| 1835 // (The PopFrame call ensures that the caller of the popped frame is | |
| 1836 // either interpreted or compiled and deoptimizes it if compiled.) | |
| 1837 // In this case, we can't call dispatch_next() after the frame is | |
| 1838 // popped, but instead must save the incoming arguments and restore | |
| 1839 // them after deoptimization has occurred. | |
| 1840 // | |
| 1841 // Note that we don't compare the return PC against the | |
| 1842 // deoptimization blob's unpack entry because of the presence of | |
| 1843 // adapter frames in C2. | |
| 1844 Label caller_not_deoptimized; | |
| 304 | 1845 __ movptr(c_rarg1, Address(rbp, frame::return_addr_offset * wordSize)); |
| 0 | 1846 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
| 1847 InterpreterRuntime::interpreter_contains), c_rarg1); | |
| 1848 __ testl(rax, rax); | |
| 1849 __ jcc(Assembler::notZero, caller_not_deoptimized); | |
| 1850 | |
| 1851 // Compute size of arguments for saving when returning to | |
| 1852 // deoptimized caller | |
| 1853 __ get_method(rax); | |
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1854 __ movptr(rax, Address(rax, Method::const_offset())); |
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1855 __ load_unsigned_short(rax, Address(rax, in_bytes(ConstMethod:: |
| 0 | 1856 size_of_parameters_offset()))); |
| 1506 | 1857 __ shll(rax, Interpreter::logStackElementSize); |
| 0 | 1858 __ restore_locals(); // XXX do we need this? |
| 304 | 1859 __ subptr(r14, rax); |
| 1860 __ addptr(r14, wordSize); | |
| 0 | 1861 // Save these arguments |
| 1862 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, | |
| 1863 Deoptimization:: | |
| 1864 popframe_preserve_args), | |
| 1865 r15_thread, rax, r14); | |
| 1866 | |
| 1867 __ remove_activation(vtos, rdx, | |
| 1868 /* throw_monitor_exception */ false, | |
| 1869 /* install_monitor_exception */ false, | |
| 1870 /* notify_jvmdi */ false); | |
| 1871 | |
| 1872 // Inform deoptimization that it is responsible for restoring | |
| 1873 // these arguments | |
| 1874 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), | |
| 1875 JavaThread::popframe_force_deopt_reexecution_bit); | |
| 1876 | |
| 1877 // Continue in deoptimization handler | |
| 1878 __ jmp(rdx); | |
| 1879 | |
| 1880 __ bind(caller_not_deoptimized); | |
| 1881 } | |
| 1882 | |
| 1883 __ remove_activation(vtos, rdx, /* rdx result (retaddr) is not used */ | |
| 1884 /* throw_monitor_exception */ false, | |
| 1885 /* install_monitor_exception */ false, | |
| 1886 /* notify_jvmdi */ false); | |
| 1887 | |
| 1888 // Finish with popframe handling | |
| 1889 // A previous I2C followed by a deoptimization might have moved the | |
| 1890 // outgoing arguments further up the stack. PopFrame expects the | |
| 1891 // mutations to those outgoing arguments to be preserved and other | |
| 1892 // constraints basically require this frame to look exactly as | |
| 1893 // though it had previously invoked an interpreted activation with | |
| 1894 // no space between the top of the expression stack (current | |
| 1895 // last_sp) and the top of stack. Rather than force deopt to | |
| 1896 // maintain this kind of invariant all the time we call a small | |
| 1897 // fixup routine to move the mutated arguments onto the top of our | |
| 1898 // expression stack if necessary. | |
| 304 | 1899 __ mov(c_rarg1, rsp); |
| 1900 __ movptr(c_rarg2, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); | |
| 0 | 1901 // PC must point into interpreter here |
| 1902 __ set_last_Java_frame(noreg, rbp, __ pc()); | |
| 1903 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::popframe_move_outgoing_args), r15_thread, c_rarg1, c_rarg2); | |
| 1904 __ reset_last_Java_frame(true, true); | |
| 1905 // Restore the last_sp and null it out | |
| 304 | 1906 __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
| 1907 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); | |
| 0 | 1908 |
| 1909 __ restore_bcp(); // XXX do we need this? | |
| 1910 __ restore_locals(); // XXX do we need this? | |
| 1911 // The method data pointer was incremented already during | |
| 1912 // call profiling. We have to restore the mdp for the current bcp. | |
| 1913 if (ProfileInterpreter) { | |
| 1914 __ set_method_data_pointer_for_bcp(); | |
| 1915 } | |
| 1916 | |
| 1917 // Clear the popframe condition flag | |
| 1918 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), | |
| 1919 JavaThread::popframe_inactive); | |
| 1920 | |
| 1921 __ dispatch_next(vtos); | |
| 1922 // end of PopFrame support | |
| 1923 | |
| 1924 Interpreter::_remove_activation_entry = __ pc(); | |
| 1925 | |
| 1926 // preserve exception over this code sequence | |
| 1927 __ pop_ptr(rax); | |
| 304 | 1928 __ movptr(Address(r15_thread, JavaThread::vm_result_offset()), rax); |
| 0 | 1929 // remove the activation (without doing throws on illegalMonitorExceptions) |
| 1930 __ remove_activation(vtos, rdx, false, true, false); | |
| 1931 // restore exception | |
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1932 __ get_vm_result(rax, r15_thread); |
| 0 | 1933 |
| 1934 // In between activations - previous activation type unknown yet | |
| 1935 // compute continuation point - the continuation point expects the | |
| 1936 // following registers set up: | |
| 1937 // | |
| 1938 // rax: exception | |
| 1939 // rdx: return address/pc that threw exception | |
| 1940 // rsp: expression stack of caller | |
| 1941 // rbp: ebp of caller | |
| 304 | 1942 __ push(rax); // save exception |
| 1943 __ push(rdx); // save return address | |
| 0 | 1944 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
| 1945 SharedRuntime::exception_handler_for_return_address), | |
| 1295 | 1946 r15_thread, rdx); |
| 304 | 1947 __ mov(rbx, rax); // save exception handler |
| 1948 __ pop(rdx); // restore return address | |
| 1949 __ pop(rax); // restore exception | |
| 0 | 1950 // Note that an "issuing PC" is actually the next PC after the call |
| 1951 __ jmp(rbx); // jump to exception | |
| 1952 // handler of caller | |
| 1953 } | |
| 1954 | |
| 1955 | |
| 1956 // | |
| 1957 // JVMTI ForceEarlyReturn support | |
| 1958 // | |
| 1959 address TemplateInterpreterGenerator::generate_earlyret_entry_for(TosState state) { | |
| 1960 address entry = __ pc(); | |
| 1961 | |
| 1962 __ restore_bcp(); | |
| 1963 __ restore_locals(); | |
| 1964 __ empty_expression_stack(); | |
| 1965 __ load_earlyret_value(state); | |
| 1966 | |
| 304 | 1967 __ movptr(rdx, Address(r15_thread, JavaThread::jvmti_thread_state_offset())); |
| 0 | 1968 Address cond_addr(rdx, JvmtiThreadState::earlyret_state_offset()); |
| 1969 | |
| 1970 // Clear the earlyret state | |
| 1971 __ movl(cond_addr, JvmtiThreadState::earlyret_inactive); | |
| 1972 | |
| 1973 __ remove_activation(state, rsi, | |
| 1974 false, /* throw_monitor_exception */ | |
| 1975 false, /* install_monitor_exception */ | |
| 1976 true); /* notify_jvmdi */ | |
| 1977 __ jmp(rsi); | |
| 1978 | |
| 1979 return entry; | |
| 1980 } // end of ForceEarlyReturn support | |
| 1981 | |
| 1982 | |
| 1983 //----------------------------------------------------------------------------- | |
| 1984 // Helper for vtos entry point generation | |
| 1985 | |
| 1986 void TemplateInterpreterGenerator::set_vtos_entry_points(Template* t, | |
| 1987 address& bep, | |
| 1988 address& cep, | |
| 1989 address& sep, | |
| 1990 address& aep, | |
| 1991 address& iep, | |
| 1992 address& lep, | |
| 1993 address& fep, | |
| 1994 address& dep, | |
| 1995 address& vep) { | |
| 1996 assert(t->is_valid() && t->tos_in() == vtos, "illegal template"); | |
| 1997 Label L; | |
| 1998 aep = __ pc(); __ push_ptr(); __ jmp(L); | |
| 1999 fep = __ pc(); __ push_f(); __ jmp(L); | |
| 2000 dep = __ pc(); __ push_d(); __ jmp(L); | |
| 2001 lep = __ pc(); __ push_l(); __ jmp(L); | |
| 2002 bep = cep = sep = | |
| 2003 iep = __ pc(); __ push_i(); | |
| 2004 vep = __ pc(); | |
| 2005 __ bind(L); | |
| 2006 generate_and_dispatch(t); | |
| 2007 } | |
| 2008 | |
| 2009 | |
| 2010 //----------------------------------------------------------------------------- | |
| 2011 // Generation of individual instructions | |
| 2012 | |
| 2013 // helpers for generate_and_dispatch | |
| 2014 | |
| 2015 | |
| 2016 InterpreterGenerator::InterpreterGenerator(StubQueue* code) | |
| 2017 : TemplateInterpreterGenerator(code) { | |
| 2018 generate_all(); // down here so it can be "virtual" | |
| 2019 } | |
| 2020 | |
| 2021 //----------------------------------------------------------------------------- | |
| 2022 | |
| 2023 // Non-product code | |
| 2024 #ifndef PRODUCT | |
| 2025 address TemplateInterpreterGenerator::generate_trace_code(TosState state) { | |
| 2026 address entry = __ pc(); | |
| 2027 | |
| 2028 __ push(state); | |
| 304 | 2029 __ push(c_rarg0); |
| 2030 __ push(c_rarg1); | |
| 2031 __ push(c_rarg2); | |
| 2032 __ push(c_rarg3); | |
| 2033 __ mov(c_rarg2, rax); // Pass itos | |
| 0 | 2034 #ifdef _WIN64 |
| 2035 __ movflt(xmm3, xmm0); // Pass ftos | |
| 2036 #endif | |
| 2037 __ call_VM(noreg, | |
| 2038 CAST_FROM_FN_PTR(address, SharedRuntime::trace_bytecode), | |
| 2039 c_rarg1, c_rarg2, c_rarg3); | |
| 304 | 2040 __ pop(c_rarg3); |
| 2041 __ pop(c_rarg2); | |
| 2042 __ pop(c_rarg1); | |
| 2043 __ pop(c_rarg0); | |
| 0 | 2044 __ pop(state); |
| 2045 __ ret(0); // return from result handler | |
| 2046 | |
| 2047 return entry; | |
| 2048 } | |
| 2049 | |
| 2050 void TemplateInterpreterGenerator::count_bytecode() { | |
| 2051 __ incrementl(ExternalAddress((address) &BytecodeCounter::_counter_value)); | |
| 2052 } | |
| 2053 | |
| 2054 void TemplateInterpreterGenerator::histogram_bytecode(Template* t) { | |
| 2055 __ incrementl(ExternalAddress((address) &BytecodeHistogram::_counters[t->bytecode()])); | |
| 2056 } | |
| 2057 | |
| 2058 void TemplateInterpreterGenerator::histogram_bytecode_pair(Template* t) { | |
| 2059 __ mov32(rbx, ExternalAddress((address) &BytecodePairHistogram::_index)); | |
| 2060 __ shrl(rbx, BytecodePairHistogram::log2_number_of_codes); | |
| 2061 __ orl(rbx, | |
| 2062 ((int) t->bytecode()) << | |
| 2063 BytecodePairHistogram::log2_number_of_codes); | |
| 2064 __ mov32(ExternalAddress((address) &BytecodePairHistogram::_index), rbx); | |
| 2065 __ lea(rscratch1, ExternalAddress((address) BytecodePairHistogram::_counters)); | |
| 2066 __ incrementl(Address(rscratch1, rbx, Address::times_4)); | |
| 2067 } | |
| 2068 | |
| 2069 | |
| 2070 void TemplateInterpreterGenerator::trace_bytecode(Template* t) { | |
| 2071 // Call a little run-time stub to avoid blow-up for each bytecode. | |
| 2072 // The run-time runtime saves the right registers, depending on | |
| 2073 // the tosca in-state for the given template. | |
| 2074 | |
| 2075 assert(Interpreter::trace_code(t->tos_in()) != NULL, | |
| 2076 "entry must have been generated"); | |
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2077 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
| 304 | 2078 __ andptr(rsp, -16); // align stack as required by ABI |
| 0 | 2079 __ call(RuntimeAddress(Interpreter::trace_code(t->tos_in()))); |
| 304 | 2080 __ mov(rsp, r12); // restore sp |
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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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2081 __ reinit_heapbase(); |
| 0 | 2082 } |
| 2083 | |
| 2084 | |
| 2085 void TemplateInterpreterGenerator::stop_interpreter_at() { | |
| 2086 Label L; | |
| 2087 __ cmp32(ExternalAddress((address) &BytecodeCounter::_counter_value), | |
| 2088 StopInterpreterAt); | |
| 2089 __ jcc(Assembler::notEqual, L); | |
| 2090 __ int3(); | |
| 2091 __ bind(L); | |
| 2092 } | |
| 2093 #endif // !PRODUCT | |
| 304 | 2094 #endif // ! CC_INTERP |