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annotate src/cpu/x86/vm/templateInterpreter_x86_64.cpp @ 14909:4ca6dc0799b6
Backout jdk9 merge
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Tue, 01 Apr 2014 13:57:07 +0200 |
| parents | 2b43fcc68add |
| children | 4062efea018b |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
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26 #include "asm/macroAssembler.hpp" |
| 1972 | 27 #include "interpreter/bytecodeHistogram.hpp" |
| 28 #include "interpreter/interpreter.hpp" | |
| 29 #include "interpreter/interpreterGenerator.hpp" | |
| 30 #include "interpreter/interpreterRuntime.hpp" | |
| 31 #include "interpreter/templateTable.hpp" | |
| 32 #include "oops/arrayOop.hpp" | |
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33 #include "oops/methodData.hpp" |
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34 #include "oops/method.hpp" |
| 1972 | 35 #include "oops/oop.inline.hpp" |
| 36 #include "prims/jvmtiExport.hpp" | |
| 37 #include "prims/jvmtiThreadState.hpp" | |
| 38 #include "runtime/arguments.hpp" | |
| 39 #include "runtime/deoptimization.hpp" | |
| 40 #include "runtime/frame.inline.hpp" | |
| 41 #include "runtime/sharedRuntime.hpp" | |
| 42 #include "runtime/stubRoutines.hpp" | |
| 43 #include "runtime/synchronizer.hpp" | |
| 44 #include "runtime/timer.hpp" | |
| 45 #include "runtime/vframeArray.hpp" | |
| 46 #include "utilities/debug.hpp" | |
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47 #include "utilities/macros.hpp" |
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48 #ifdef GRAAL |
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49 #include "graal/graalJavaAccess.hpp" |
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50 #endif |
| 0 | 51 |
| 52 #define __ _masm-> | |
| 53 | |
| 304 | 54 #ifndef CC_INTERP |
| 55 | |
| 0 | 56 const int method_offset = frame::interpreter_frame_method_offset * wordSize; |
| 57 const int bci_offset = frame::interpreter_frame_bcx_offset * wordSize; | |
| 58 const int locals_offset = frame::interpreter_frame_locals_offset * wordSize; | |
| 59 | |
| 60 //----------------------------------------------------------------------------- | |
| 61 | |
| 62 address TemplateInterpreterGenerator::generate_StackOverflowError_handler() { | |
| 63 address entry = __ pc(); | |
| 64 | |
| 65 #ifdef ASSERT | |
| 66 { | |
| 67 Label L; | |
| 304 | 68 __ lea(rax, Address(rbp, |
| 69 frame::interpreter_frame_monitor_block_top_offset * | |
| 70 wordSize)); | |
| 71 __ cmpptr(rax, rsp); // rax = maximal rsp for current rbp (stack | |
| 72 // grows negative) | |
| 0 | 73 __ jcc(Assembler::aboveEqual, L); // check if frame is complete |
| 74 __ stop ("interpreter frame not set up"); | |
| 75 __ bind(L); | |
| 76 } | |
| 77 #endif // ASSERT | |
| 78 // Restore bcp under the assumption that the current frame is still | |
| 79 // interpreted | |
| 80 __ restore_bcp(); | |
| 81 | |
| 82 // expression stack must be empty before entering the VM if an | |
| 83 // exception happened | |
| 84 __ empty_expression_stack(); | |
| 85 // throw exception | |
| 86 __ call_VM(noreg, | |
| 87 CAST_FROM_FN_PTR(address, | |
| 88 InterpreterRuntime::throw_StackOverflowError)); | |
| 89 return entry; | |
| 90 } | |
| 91 | |
| 92 address TemplateInterpreterGenerator::generate_ArrayIndexOutOfBounds_handler( | |
| 93 const char* name) { | |
| 94 address entry = __ pc(); | |
| 95 // expression stack must be empty before entering the VM if an | |
| 96 // exception happened | |
| 97 __ empty_expression_stack(); | |
| 98 // setup parameters | |
| 99 // ??? convention: expect aberrant index in register ebx | |
| 100 __ lea(c_rarg1, ExternalAddress((address)name)); | |
| 101 __ call_VM(noreg, | |
| 102 CAST_FROM_FN_PTR(address, | |
| 103 InterpreterRuntime:: | |
| 104 throw_ArrayIndexOutOfBoundsException), | |
| 105 c_rarg1, rbx); | |
| 106 return entry; | |
| 107 } | |
| 108 | |
| 109 address TemplateInterpreterGenerator::generate_ClassCastException_handler() { | |
| 110 address entry = __ pc(); | |
| 111 | |
| 112 // object is at TOS | |
| 304 | 113 __ pop(c_rarg1); |
| 0 | 114 |
| 115 // expression stack must be empty before entering the VM if an | |
| 116 // exception happened | |
| 117 __ empty_expression_stack(); | |
| 118 | |
| 119 __ call_VM(noreg, | |
| 120 CAST_FROM_FN_PTR(address, | |
| 121 InterpreterRuntime:: | |
| 122 throw_ClassCastException), | |
| 123 c_rarg1); | |
| 124 return entry; | |
| 125 } | |
| 126 | |
| 127 address TemplateInterpreterGenerator::generate_exception_handler_common( | |
| 128 const char* name, const char* message, bool pass_oop) { | |
| 129 assert(!pass_oop || message == NULL, "either oop or message but not both"); | |
| 130 address entry = __ pc(); | |
| 131 if (pass_oop) { | |
| 132 // object is at TOS | |
| 304 | 133 __ pop(c_rarg2); |
| 0 | 134 } |
| 135 // expression stack must be empty before entering the VM if an | |
| 136 // exception happened | |
| 137 __ empty_expression_stack(); | |
| 138 // setup parameters | |
| 139 __ lea(c_rarg1, ExternalAddress((address)name)); | |
| 140 if (pass_oop) { | |
| 141 __ call_VM(rax, CAST_FROM_FN_PTR(address, | |
| 142 InterpreterRuntime:: | |
| 143 create_klass_exception), | |
| 144 c_rarg1, c_rarg2); | |
| 145 } else { | |
| 146 // kind of lame ExternalAddress can't take NULL because | |
| 147 // external_word_Relocation will assert. | |
| 148 if (message != NULL) { | |
| 149 __ lea(c_rarg2, ExternalAddress((address)message)); | |
| 150 } else { | |
| 151 __ movptr(c_rarg2, NULL_WORD); | |
| 152 } | |
| 153 __ call_VM(rax, | |
| 154 CAST_FROM_FN_PTR(address, InterpreterRuntime::create_exception), | |
| 155 c_rarg1, c_rarg2); | |
| 156 } | |
| 157 // throw exception | |
| 158 __ jump(ExternalAddress(Interpreter::throw_exception_entry())); | |
| 159 return entry; | |
| 160 } | |
| 161 | |
| 162 | |
| 163 address TemplateInterpreterGenerator::generate_continuation_for(TosState state) { | |
| 164 address entry = __ pc(); | |
| 165 // NULL last_sp until next java call | |
| 304 | 166 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 167 __ dispatch_next(state); |
| 168 return entry; | |
| 169 } | |
| 170 | |
| 171 | |
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172 address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step, size_t index_size) { |
| 0 | 173 address entry = __ pc(); |
| 174 | |
| 175 // Restore stack bottom in case i2c adjusted stack | |
| 304 | 176 __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
| 0 | 177 // and NULL it as marker that esp is now tos until next java call |
| 304 | 178 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 179 |
| 180 __ restore_bcp(); | |
| 181 __ restore_locals(); | |
| 304 | 182 |
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183 if (state == atos) { |
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184 Register mdp = rbx; |
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185 Register tmp = rcx; |
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186 __ profile_return_type(mdp, rax, tmp); |
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187 } |
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188 |
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189 const Register cache = rbx; |
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190 const Register index = rcx; |
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191 __ get_cache_and_index_at_bcp(cache, index, 1, index_size); |
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192 |
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193 const Register flags = cache; |
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194 __ movl(flags, Address(cache, index, Address::times_ptr, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::flags_offset())); |
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195 __ andl(flags, ConstantPoolCacheEntry::parameter_size_mask); |
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196 __ lea(rsp, Address(rsp, flags, Interpreter::stackElementScale())); |
| 0 | 197 __ dispatch_next(state, step); |
| 1108 | 198 |
| 0 | 199 return entry; |
| 200 } | |
| 201 | |
| 202 | |
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203 address InterpreterGenerator::generate_deopt_entry_for(TosState state, |
| 0 | 204 int step) { |
| 205 address entry = __ pc(); | |
| 206 // NULL last_sp until next java call | |
| 304 | 207 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 208 __ restore_bcp(); |
| 209 __ restore_locals(); | |
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210 #ifdef GRAAL |
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211 // Check if we need to take lock at entry of synchronized method. |
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212 { |
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213 Label L; |
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214 __ cmpb(Address(r15_thread, Thread::pending_monitorenter_offset()), 0); |
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215 __ jcc(Assembler::zero, L); |
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216 // Clear flag. |
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217 __ movb(Address(r15_thread, Thread::pending_monitorenter_offset()), 0); |
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218 // Satisfy calling convention for lock_method(). |
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219 __ get_method(rbx); |
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220 // Take lock. |
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221 lock_method(); |
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222 __ bind(L); |
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223 } |
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224 #endif |
| 0 | 225 // handle exceptions |
| 226 { | |
| 227 Label L; | |
| 304 | 228 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
| 0 | 229 __ jcc(Assembler::zero, L); |
| 230 __ call_VM(noreg, | |
| 231 CAST_FROM_FN_PTR(address, | |
| 232 InterpreterRuntime::throw_pending_exception)); | |
| 233 __ should_not_reach_here(); | |
| 234 __ bind(L); | |
| 235 } | |
| 236 __ dispatch_next(state, step); | |
| 237 return entry; | |
| 238 } | |
| 239 | |
| 240 int AbstractInterpreter::BasicType_as_index(BasicType type) { | |
| 241 int i = 0; | |
| 242 switch (type) { | |
| 243 case T_BOOLEAN: i = 0; break; | |
| 244 case T_CHAR : i = 1; break; | |
| 245 case T_BYTE : i = 2; break; | |
| 246 case T_SHORT : i = 3; break; | |
| 247 case T_INT : i = 4; break; | |
| 248 case T_LONG : i = 5; break; | |
| 249 case T_VOID : i = 6; break; | |
| 250 case T_FLOAT : i = 7; break; | |
| 251 case T_DOUBLE : i = 8; break; | |
| 252 case T_OBJECT : i = 9; break; | |
| 253 case T_ARRAY : i = 9; break; | |
| 254 default : ShouldNotReachHere(); | |
| 255 } | |
| 256 assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers, | |
| 257 "index out of bounds"); | |
| 258 return i; | |
| 259 } | |
| 260 | |
| 261 | |
| 262 address TemplateInterpreterGenerator::generate_result_handler_for( | |
| 263 BasicType type) { | |
| 264 address entry = __ pc(); | |
| 265 switch (type) { | |
| 266 case T_BOOLEAN: __ c2bool(rax); break; | |
| 267 case T_CHAR : __ movzwl(rax, rax); break; | |
| 268 case T_BYTE : __ sign_extend_byte(rax); break; | |
| 269 case T_SHORT : __ sign_extend_short(rax); break; | |
| 270 case T_INT : /* nothing to do */ break; | |
| 271 case T_LONG : /* nothing to do */ break; | |
| 272 case T_VOID : /* nothing to do */ break; | |
| 273 case T_FLOAT : /* nothing to do */ break; | |
| 274 case T_DOUBLE : /* nothing to do */ break; | |
| 275 case T_OBJECT : | |
| 276 // retrieve result from frame | |
| 304 | 277 __ movptr(rax, Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize)); |
| 0 | 278 // and verify it |
| 279 __ verify_oop(rax); | |
| 280 break; | |
| 281 default : ShouldNotReachHere(); | |
| 282 } | |
| 283 __ ret(0); // return from result handler | |
| 284 return entry; | |
| 285 } | |
| 286 | |
| 287 address TemplateInterpreterGenerator::generate_safept_entry_for( | |
| 288 TosState state, | |
| 289 address runtime_entry) { | |
| 290 address entry = __ pc(); | |
| 291 __ push(state); | |
| 292 __ call_VM(noreg, runtime_entry); | |
| 293 __ dispatch_via(vtos, Interpreter::_normal_table.table_for(vtos)); | |
| 294 return entry; | |
| 295 } | |
| 296 | |
| 297 | |
| 298 | |
| 299 // Helpers for commoning out cases in the various type of method entries. | |
| 300 // | |
| 301 | |
| 302 | |
| 303 // increment invocation count & check for overflow | |
| 304 // | |
| 305 // Note: checking for negative value instead of overflow | |
| 306 // so we have a 'sticky' overflow test | |
| 307 // | |
| 308 // rbx: method | |
| 309 // ecx: invocation counter | |
| 310 // | |
| 311 void InterpreterGenerator::generate_counter_incr( | |
| 312 Label* overflow, | |
| 313 Label* profile_method, | |
| 314 Label* profile_method_continue) { | |
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315 Label done; |
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316 // Note: In tiered we increment either counters in Method* or in MDO depending if we're profiling or not. |
| 1783 | 317 if (TieredCompilation) { |
| 318 int increment = InvocationCounter::count_increment; | |
| 319 int mask = ((1 << Tier0InvokeNotifyFreqLog) - 1) << InvocationCounter::count_shift; | |
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320 Label no_mdo; |
| 1783 | 321 if (ProfileInterpreter) { |
| 322 // Are we profiling? | |
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323 __ movptr(rax, Address(rbx, Method::method_data_offset())); |
| 1783 | 324 __ testptr(rax, rax); |
| 325 __ jccb(Assembler::zero, no_mdo); | |
| 326 // Increment counter in the MDO | |
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327 const Address mdo_invocation_counter(rax, in_bytes(MethodData::invocation_counter_offset()) + |
| 1783 | 328 in_bytes(InvocationCounter::counter_offset())); |
| 329 __ increment_mask_and_jump(mdo_invocation_counter, increment, mask, rcx, false, Assembler::zero, overflow); | |
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330 __ jmp(done); |
| 1783 | 331 } |
| 332 __ bind(no_mdo); | |
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333 // Increment counter in MethodCounters |
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334 const Address invocation_counter(rax, |
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335 MethodCounters::invocation_counter_offset() + |
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336 InvocationCounter::counter_offset()); |
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337 __ get_method_counters(rbx, rax, done); |
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338 __ increment_mask_and_jump(invocation_counter, increment, mask, rcx, |
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339 false, Assembler::zero, overflow); |
| 1783 | 340 __ bind(done); |
| 341 } else { | |
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342 const Address backedge_counter(rax, |
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343 MethodCounters::backedge_counter_offset() + |
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344 InvocationCounter::counter_offset()); |
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345 const Address invocation_counter(rax, |
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346 MethodCounters::invocation_counter_offset() + |
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347 InvocationCounter::counter_offset()); |
| 0 | 348 |
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349 __ get_method_counters(rbx, rax, done); |
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350 |
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351 if (ProfileInterpreter) { |
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352 __ incrementl(Address(rax, |
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353 MethodCounters::interpreter_invocation_counter_offset())); |
| 1783 | 354 } |
| 355 // Update standard invocation counters | |
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356 __ movl(rcx, invocation_counter); |
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357 __ incrementl(rcx, InvocationCounter::count_increment); |
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358 __ movl(invocation_counter, rcx); // save invocation count |
| 0 | 359 |
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360 __ movl(rax, backedge_counter); // load backedge counter |
| 1783 | 361 __ andl(rax, InvocationCounter::count_mask_value); // mask out the status bits |
| 0 | 362 |
| 1783 | 363 __ addl(rcx, rax); // add both counters |
| 0 | 364 |
| 1783 | 365 // profile_method is non-null only for interpreted method so |
| 366 // profile_method != NULL == !native_call | |
| 367 | |
| 368 if (ProfileInterpreter && profile_method != NULL) { | |
| 369 // Test to see if we should create a method data oop | |
| 370 __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterProfileLimit)); | |
| 371 __ jcc(Assembler::less, *profile_method_continue); | |
| 0 | 372 |
| 1783 | 373 // if no method data exists, go to profile_method |
| 374 __ test_method_data_pointer(rax, *profile_method); | |
| 375 } | |
| 376 | |
| 377 __ cmp32(rcx, ExternalAddress((address)&InvocationCounter::InterpreterInvocationLimit)); | |
| 378 __ jcc(Assembler::aboveEqual, *overflow); | |
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379 __ bind(done); |
| 0 | 380 } |
| 381 } | |
| 382 | |
| 383 void InterpreterGenerator::generate_counter_overflow(Label* do_continue) { | |
| 384 | |
| 385 // Asm interpreter on entry | |
| 386 // r14 - locals | |
| 387 // r13 - bcp | |
| 388 // rbx - method | |
| 389 // edx - cpool --- DOES NOT APPEAR TO BE TRUE | |
| 390 // rbp - interpreter frame | |
| 391 | |
| 392 // On return (i.e. jump to entry_point) [ back to invocation of interpreter ] | |
| 393 // Everything as it was on entry | |
| 394 // rdx is not restored. Doesn't appear to really be set. | |
| 395 | |
| 396 // InterpreterRuntime::frequency_counter_overflow takes two | |
| 397 // arguments, the first (thread) is passed by call_VM, the second | |
| 398 // indicates if the counter overflow occurs at a backwards branch | |
| 399 // (NULL bcp). We pass zero for it. The call returns the address | |
| 400 // of the verified entry point for the method or NULL if the | |
| 401 // compilation did not complete (either went background or bailed | |
| 402 // out). | |
| 403 __ movl(c_rarg1, 0); | |
| 404 __ call_VM(noreg, | |
| 405 CAST_FROM_FN_PTR(address, | |
| 406 InterpreterRuntime::frequency_counter_overflow), | |
| 407 c_rarg1); | |
| 408 | |
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409 __ movptr(rbx, Address(rbp, method_offset)); // restore Method* |
| 0 | 410 // Preserve invariant that r13/r14 contain bcp/locals of sender frame |
| 411 // and jump to the interpreted entry. | |
| 412 __ jmp(*do_continue, relocInfo::none); | |
| 413 } | |
| 414 | |
| 415 // See if we've got enough room on the stack for locals plus overhead. | |
| 416 // The expression stack grows down incrementally, so the normal guard | |
| 417 // page mechanism will work for that. | |
| 418 // | |
| 419 // NOTE: Since the additional locals are also always pushed (wasn't | |
| 420 // obvious in generate_method_entry) so the guard should work for them | |
| 421 // too. | |
| 422 // | |
| 423 // Args: | |
| 424 // rdx: number of additional locals this frame needs (what we must check) | |
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425 // rbx: Method* |
| 0 | 426 // |
| 427 // Kills: | |
| 428 // rax | |
| 429 void InterpreterGenerator::generate_stack_overflow_check(void) { | |
| 430 | |
| 431 // monitor entry size: see picture of stack set | |
| 432 // (generate_method_entry) and frame_amd64.hpp | |
| 433 const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; | |
| 434 | |
| 435 // total overhead size: entry_size + (saved rbp through expr stack | |
| 436 // bottom). be sure to change this if you add/subtract anything | |
| 437 // to/from the overhead area | |
| 438 const int overhead_size = | |
| 439 -(frame::interpreter_frame_initial_sp_offset * wordSize) + entry_size; | |
| 440 | |
| 441 const int page_size = os::vm_page_size(); | |
| 442 | |
| 443 Label after_frame_check; | |
| 444 | |
| 445 // see if the frame is greater than one page in size. If so, | |
| 446 // then we need to verify there is enough stack space remaining | |
| 447 // for the additional locals. | |
| 1506 | 448 __ cmpl(rdx, (page_size - overhead_size) / Interpreter::stackElementSize); |
| 0 | 449 __ jcc(Assembler::belowEqual, after_frame_check); |
| 450 | |
| 451 // compute rsp as if this were going to be the last frame on | |
| 452 // the stack before the red zone | |
| 453 | |
| 454 const Address stack_base(r15_thread, Thread::stack_base_offset()); | |
| 455 const Address stack_size(r15_thread, Thread::stack_size_offset()); | |
| 456 | |
| 457 // locals + overhead, in bytes | |
| 304 | 458 __ mov(rax, rdx); |
| 1506 | 459 __ shlptr(rax, Interpreter::logStackElementSize); // 2 slots per parameter. |
| 304 | 460 __ addptr(rax, overhead_size); |
| 0 | 461 |
| 462 #ifdef ASSERT | |
| 463 Label stack_base_okay, stack_size_okay; | |
| 464 // verify that thread stack base is non-zero | |
| 304 | 465 __ cmpptr(stack_base, (int32_t)NULL_WORD); |
| 0 | 466 __ jcc(Assembler::notEqual, stack_base_okay); |
| 467 __ stop("stack base is zero"); | |
| 468 __ bind(stack_base_okay); | |
| 469 // verify that thread stack size is non-zero | |
| 304 | 470 __ cmpptr(stack_size, 0); |
| 0 | 471 __ jcc(Assembler::notEqual, stack_size_okay); |
| 472 __ stop("stack size is zero"); | |
| 473 __ bind(stack_size_okay); | |
| 474 #endif | |
| 475 | |
| 476 // Add stack base to locals and subtract stack size | |
| 304 | 477 __ addptr(rax, stack_base); |
| 478 __ subptr(rax, stack_size); | |
| 0 | 479 |
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480 // Use the maximum number of pages we might bang. |
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481 const int max_pages = StackShadowPages > (StackRedPages+StackYellowPages) ? StackShadowPages : |
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482 (StackRedPages+StackYellowPages); |
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483 |
| 0 | 484 // add in the red and yellow zone sizes |
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485 __ addptr(rax, max_pages * page_size); |
| 0 | 486 |
| 487 // check against the current stack bottom | |
| 304 | 488 __ cmpptr(rsp, rax); |
| 0 | 489 __ jcc(Assembler::above, after_frame_check); |
| 490 | |
| 4743 | 491 // Restore sender's sp as SP. This is necessary if the sender's |
| 492 // frame is an extended compiled frame (see gen_c2i_adapter()) | |
| 493 // and safer anyway in case of JSR292 adaptations. | |
| 494 | |
| 495 __ pop(rax); // return address must be moved if SP is changed | |
| 496 __ mov(rsp, r13); | |
| 497 __ push(rax); | |
| 498 | |
| 499 // Note: the restored frame is not necessarily interpreted. | |
| 500 // Use the shared runtime version of the StackOverflowError. | |
| 501 assert(StubRoutines::throw_StackOverflowError_entry() != NULL, "stub not yet generated"); | |
| 502 __ jump(ExternalAddress(StubRoutines::throw_StackOverflowError_entry())); | |
| 0 | 503 |
| 504 // all done with frame size check | |
| 505 __ bind(after_frame_check); | |
| 506 } | |
| 507 | |
| 508 // Allocate monitor and lock method (asm interpreter) | |
| 509 // | |
| 510 // Args: | |
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511 // rbx: Method* |
| 0 | 512 // r14: locals |
| 513 // | |
| 514 // Kills: | |
| 515 // rax | |
| 516 // c_rarg0, c_rarg1, c_rarg2, c_rarg3, ...(param regs) | |
| 517 // rscratch1, rscratch2 (scratch regs) | |
| 518 void InterpreterGenerator::lock_method(void) { | |
| 519 // synchronize method | |
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520 const Address access_flags(rbx, Method::access_flags_offset()); |
| 0 | 521 const Address monitor_block_top( |
| 522 rbp, | |
| 523 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
| 524 const int entry_size = frame::interpreter_frame_monitor_size() * wordSize; | |
| 525 | |
| 526 #ifdef ASSERT | |
| 527 { | |
| 528 Label L; | |
| 529 __ movl(rax, access_flags); | |
| 530 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
| 531 __ jcc(Assembler::notZero, L); | |
| 532 __ stop("method doesn't need synchronization"); | |
| 533 __ bind(L); | |
| 534 } | |
| 535 #endif // ASSERT | |
| 536 | |
| 537 // get synchronization object | |
| 538 { | |
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539 const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
| 0 | 540 Label done; |
| 541 __ movl(rax, access_flags); | |
| 542 __ testl(rax, JVM_ACC_STATIC); | |
| 543 // get receiver (assume this is frequent case) | |
| 304 | 544 __ movptr(rax, Address(r14, Interpreter::local_offset_in_bytes(0))); |
| 0 | 545 __ jcc(Assembler::zero, done); |
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546 __ movptr(rax, Address(rbx, Method::const_offset())); |
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547 __ movptr(rax, Address(rax, ConstMethod::constants_offset())); |
| 304 | 548 __ movptr(rax, Address(rax, |
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549 ConstantPool::pool_holder_offset_in_bytes())); |
| 304 | 550 __ movptr(rax, Address(rax, mirror_offset)); |
| 0 | 551 |
| 552 #ifdef ASSERT | |
| 553 { | |
| 554 Label L; | |
| 304 | 555 __ testptr(rax, rax); |
| 0 | 556 __ jcc(Assembler::notZero, L); |
| 557 __ stop("synchronization object is NULL"); | |
| 558 __ bind(L); | |
| 559 } | |
| 560 #endif // ASSERT | |
| 561 | |
| 562 __ bind(done); | |
| 563 } | |
| 564 | |
| 565 // add space for monitor & lock | |
| 304 | 566 __ subptr(rsp, entry_size); // add space for a monitor entry |
| 567 __ movptr(monitor_block_top, rsp); // set new monitor block top | |
| 0 | 568 // store object |
| 304 | 569 __ movptr(Address(rsp, BasicObjectLock::obj_offset_in_bytes()), rax); |
| 570 __ movptr(c_rarg1, rsp); // object address | |
| 0 | 571 __ lock_object(c_rarg1); |
| 572 } | |
| 573 | |
| 574 // Generate a fixed interpreter frame. This is identical setup for | |
| 575 // interpreted methods and for native methods hence the shared code. | |
| 576 // | |
| 577 // Args: | |
| 578 // rax: return address | |
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579 // rbx: Method* |
| 0 | 580 // r14: pointer to locals |
| 581 // r13: sender sp | |
| 582 // rdx: cp cache | |
| 583 void TemplateInterpreterGenerator::generate_fixed_frame(bool native_call) { | |
| 584 // initialize fixed part of activation frame | |
| 304 | 585 __ push(rax); // save return address |
| 0 | 586 __ enter(); // save old & set new rbp |
| 304 | 587 __ push(r13); // set sender sp |
| 588 __ push((int)NULL_WORD); // leave last_sp as null | |
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589 __ movptr(r13, Address(rbx, Method::const_offset())); // get ConstMethod* |
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590 __ lea(r13, Address(r13, ConstMethod::codes_offset())); // get codebase |
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591 __ push(rbx); // save Method* |
| 0 | 592 if (ProfileInterpreter) { |
| 593 Label method_data_continue; | |
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594 __ movptr(rdx, Address(rbx, in_bytes(Method::method_data_offset()))); |
| 304 | 595 __ testptr(rdx, rdx); |
| 0 | 596 __ jcc(Assembler::zero, method_data_continue); |
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597 __ addptr(rdx, in_bytes(MethodData::data_offset())); |
| 0 | 598 __ bind(method_data_continue); |
| 304 | 599 __ push(rdx); // set the mdp (method data pointer) |
| 0 | 600 } else { |
| 304 | 601 __ push(0); |
| 0 | 602 } |
| 603 | |
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604 __ movptr(rdx, Address(rbx, Method::const_offset())); |
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605 __ movptr(rdx, Address(rdx, ConstMethod::constants_offset())); |
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606 __ movptr(rdx, Address(rdx, ConstantPool::cache_offset_in_bytes())); |
| 304 | 607 __ push(rdx); // set constant pool cache |
| 608 __ push(r14); // set locals pointer | |
| 0 | 609 if (native_call) { |
| 304 | 610 __ push(0); // no bcp |
| 0 | 611 } else { |
| 304 | 612 __ push(r13); // set bcp |
| 0 | 613 } |
| 304 | 614 __ push(0); // reserve word for pointer to expression stack bottom |
| 615 __ movptr(Address(rsp, 0), rsp); // set expression stack bottom | |
| 0 | 616 } |
| 617 | |
| 618 // End of helpers | |
| 619 | |
| 304 | 620 // Various method entries |
| 621 //------------------------------------------------------------------------------------------------------------------------ | |
| 622 // | |
| 623 // | |
| 624 | |
| 625 // Call an accessor method (assuming it is resolved, otherwise drop | |
| 626 // into vanilla (slow path) entry | |
| 627 address InterpreterGenerator::generate_accessor_entry(void) { | |
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628 // rbx: Method* |
| 304 | 629 |
| 630 // r13: senderSP must preserver for slow path, set SP to it on fast path | |
| 631 | |
| 632 address entry_point = __ pc(); | |
| 633 Label xreturn_path; | |
| 634 | |
| 635 // do fastpath for resolved accessor methods | |
| 636 if (UseFastAccessorMethods) { | |
| 637 // Code: _aload_0, _(i|a)getfield, _(i|a)return or any rewrites | |
| 638 // thereof; parameter size = 1 | |
| 639 // Note: We can only use this code if the getfield has been resolved | |
| 640 // and if we don't have a null-pointer exception => check for | |
| 641 // these conditions first and use slow path if necessary. | |
| 642 Label slow_path; | |
| 643 // If we need a safepoint check, generate full interpreter entry. | |
| 644 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), | |
| 645 SafepointSynchronize::_not_synchronized); | |
| 646 | |
| 647 __ jcc(Assembler::notEqual, slow_path); | |
| 648 // rbx: method | |
| 649 __ movptr(rax, Address(rsp, wordSize)); | |
| 650 | |
| 651 // check if local 0 != NULL and read field | |
| 652 __ testptr(rax, rax); | |
| 653 __ jcc(Assembler::zero, slow_path); | |
| 654 | |
| 655 // read first instruction word and extract bytecode @ 1 and index @ 2 | |
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656 __ movptr(rdx, Address(rbx, Method::const_offset())); |
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657 __ movptr(rdi, Address(rdx, ConstMethod::constants_offset())); |
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658 __ movl(rdx, Address(rdx, ConstMethod::codes_offset())); |
| 304 | 659 // Shift codes right to get the index on the right. |
| 660 // The bytecode fetched looks like <index><0xb4><0x2a> | |
| 661 __ shrl(rdx, 2 * BitsPerByte); | |
| 662 __ shll(rdx, exact_log2(in_words(ConstantPoolCacheEntry::size()))); | |
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663 __ movptr(rdi, Address(rdi, ConstantPool::cache_offset_in_bytes())); |
| 304 | 664 |
| 665 // rax: local 0 | |
| 666 // rbx: method | |
| 667 // rdx: constant pool cache index | |
| 668 // rdi: constant pool cache | |
| 669 | |
| 670 // check if getfield has been resolved and read constant pool cache entry | |
| 671 // check the validity of the cache entry by testing whether _indices field | |
| 672 // contains Bytecode::_getfield in b1 byte. | |
| 673 assert(in_words(ConstantPoolCacheEntry::size()) == 4, | |
| 674 "adjust shift below"); | |
| 675 __ movl(rcx, | |
| 676 Address(rdi, | |
| 677 rdx, | |
| 678 Address::times_8, | |
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679 ConstantPoolCache::base_offset() + |
| 304 | 680 ConstantPoolCacheEntry::indices_offset())); |
| 681 __ shrl(rcx, 2 * BitsPerByte); | |
| 682 __ andl(rcx, 0xFF); | |
| 683 __ cmpl(rcx, Bytecodes::_getfield); | |
| 684 __ jcc(Assembler::notEqual, slow_path); | |
| 685 | |
| 686 // Note: constant pool entry is not valid before bytecode is resolved | |
| 687 __ movptr(rcx, | |
| 688 Address(rdi, | |
| 689 rdx, | |
| 690 Address::times_8, | |
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691 ConstantPoolCache::base_offset() + |
| 304 | 692 ConstantPoolCacheEntry::f2_offset())); |
| 693 // edx: flags | |
| 694 __ movl(rdx, | |
| 695 Address(rdi, | |
| 696 rdx, | |
| 697 Address::times_8, | |
|
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698 ConstantPoolCache::base_offset() + |
| 304 | 699 ConstantPoolCacheEntry::flags_offset())); |
| 700 | |
| 701 Label notObj, notInt, notByte, notShort; | |
| 702 const Address field_address(rax, rcx, Address::times_1); | |
| 703 | |
| 704 // Need to differentiate between igetfield, agetfield, bgetfield etc. | |
| 705 // because they are different sizes. | |
| 706 // Use the type from the constant pool cache | |
|
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707 __ shrl(rdx, ConstantPoolCacheEntry::tos_state_shift); |
|
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708 // Make sure we don't need to mask edx after the above shift |
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709 ConstantPoolCacheEntry::verify_tos_state_shift(); |
| 304 | 710 |
| 711 __ cmpl(rdx, atos); | |
| 712 __ jcc(Assembler::notEqual, notObj); | |
| 713 // atos | |
| 714 __ load_heap_oop(rax, field_address); | |
| 715 __ jmp(xreturn_path); | |
| 716 | |
| 717 __ bind(notObj); | |
| 718 __ cmpl(rdx, itos); | |
| 719 __ jcc(Assembler::notEqual, notInt); | |
| 720 // itos | |
| 721 __ movl(rax, field_address); | |
| 722 __ jmp(xreturn_path); | |
| 723 | |
| 724 __ bind(notInt); | |
| 725 __ cmpl(rdx, btos); | |
| 726 __ jcc(Assembler::notEqual, notByte); | |
| 727 // btos | |
| 728 __ load_signed_byte(rax, field_address); | |
| 729 __ jmp(xreturn_path); | |
| 730 | |
| 731 __ bind(notByte); | |
| 732 __ cmpl(rdx, stos); | |
| 733 __ jcc(Assembler::notEqual, notShort); | |
| 734 // stos | |
|
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735 __ load_signed_short(rax, field_address); |
| 304 | 736 __ jmp(xreturn_path); |
| 737 | |
| 738 __ bind(notShort); | |
| 739 #ifdef ASSERT | |
| 740 Label okay; | |
| 741 __ cmpl(rdx, ctos); | |
| 742 __ jcc(Assembler::equal, okay); | |
| 743 __ stop("what type is this?"); | |
| 744 __ bind(okay); | |
| 745 #endif | |
| 746 // ctos | |
|
622
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|
747 __ load_unsigned_short(rax, field_address); |
| 304 | 748 |
| 749 __ bind(xreturn_path); | |
| 750 | |
| 751 // _ireturn/_areturn | |
| 752 __ pop(rdi); | |
| 753 __ mov(rsp, r13); | |
| 754 __ jmp(rdi); | |
| 755 __ ret(0); | |
| 756 | |
| 757 // generate a vanilla interpreter entry as the slow path | |
| 758 __ bind(slow_path); | |
| 759 (void) generate_normal_entry(false); | |
| 760 } else { | |
| 761 (void) generate_normal_entry(false); | |
| 762 } | |
| 763 | |
| 764 return entry_point; | |
| 765 } | |
| 766 | |
|
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767 // Method entry for java.lang.ref.Reference.get. |
|
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|
768 address InterpreterGenerator::generate_Reference_get_entry(void) { |
|
8001
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|
769 #if INCLUDE_ALL_GCS |
|
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770 // Code: _aload_0, _getfield, _areturn |
|
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771 // parameter size = 1 |
|
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772 // |
|
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|
773 // The code that gets generated by this routine is split into 2 parts: |
|
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|
774 // 1. The "intrinsified" code for G1 (or any SATB based GC), |
|
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775 // 2. The slow path - which is an expansion of the regular method entry. |
|
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|
776 // |
|
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777 // Notes:- |
|
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|
778 // * In the G1 code we do not check whether we need to block for |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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779 // a safepoint. If G1 is enabled then we must execute the specialized |
|
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780 // code for Reference.get (except when the Reference object is null) |
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781 // so that we can log the value in the referent field with an SATB |
|
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782 // update buffer. |
|
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|
783 // If the code for the getfield template is modified so that the |
|
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784 // G1 pre-barrier code is executed when the current method is |
|
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785 // Reference.get() then going through the normal method entry |
|
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|
786 // will be fine. |
|
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787 // * The G1 code can, however, check the receiver object (the instance |
|
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788 // of java.lang.Reference) and jump to the slow path if null. If the |
|
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789 // Reference object is null then we obviously cannot fetch the referent |
|
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790 // and so we don't need to call the G1 pre-barrier. Thus we can use the |
|
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791 // regular method entry code to generate the NPE. |
|
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792 // |
|
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793 // This code is based on generate_accessor_enty. |
|
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794 // |
|
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795 // rbx: Method* |
|
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|
796 |
|
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|
797 // r13: senderSP must preserve for slow path, set SP to it on fast path |
|
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johnc
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|
798 |
|
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799 address entry = __ pc(); |
|
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|
800 |
|
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|
801 const int referent_offset = java_lang_ref_Reference::referent_offset; |
|
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802 guarantee(referent_offset > 0, "referent offset not initialized"); |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
803 |
|
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804 if (UseG1GC) { |
|
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|
805 Label slow_path; |
|
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|
806 // rbx: method |
|
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|
807 |
|
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johnc
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|
808 // Check if local 0 != NULL |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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809 // If the receiver is null then it is OK to jump to the slow path. |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
810 __ movptr(rax, Address(rsp, wordSize)); |
|
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johnc
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|
811 |
|
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johnc
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|
812 __ testptr(rax, rax); |
|
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|
813 __ jcc(Assembler::zero, slow_path); |
|
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|
814 |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
815 // rax: local 0 |
|
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|
816 // rbx: method (but can be used as scratch now) |
|
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817 // rdx: scratch |
|
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|
818 // rdi: scratch |
|
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
819 |
|
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|
820 // Generate the G1 pre-barrier code to log the value of |
|
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821 // the referent field in an SATB buffer. |
|
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|
822 |
|
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|
823 // Load the value of the referent field. |
|
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|
824 const Address field_address(rax, referent_offset); |
|
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|
825 __ load_heap_oop(rax, field_address); |
|
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|
826 |
|
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|
827 // Generate the G1 pre-barrier code to log the value of |
|
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|
828 // the referent field in an SATB buffer. |
|
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|
829 __ g1_write_barrier_pre(noreg /* obj */, |
|
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|
830 rax /* pre_val */, |
|
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|
831 r15_thread /* thread */, |
|
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|
832 rbx /* tmp */, |
|
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|
833 true /* tosca_live */, |
|
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|
834 true /* expand_call */); |
|
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|
835 |
|
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|
836 // _areturn |
|
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|
837 __ pop(rdi); // get return address |
|
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|
838 __ mov(rsp, r13); // set sp to sender sp |
|
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|
839 __ jmp(rdi); |
|
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|
840 __ ret(0); |
|
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|
841 |
|
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7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
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|
842 // generate a vanilla interpreter entry as the slow path |
|
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|
843 __ bind(slow_path); |
|
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|
844 (void) generate_normal_entry(false); |
|
e1162778c1c8
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|
845 |
|
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|
846 return entry; |
|
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|
847 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
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|
848 #endif // INCLUDE_ALL_GCS |
|
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|
849 |
|
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|
850 // If G1 is not enabled then attempt to go through the accessor entry point |
|
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|
851 // Reference.get is an accessor |
|
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|
852 return generate_accessor_entry(); |
|
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|
853 } |
|
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|
854 |
|
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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|
855 #ifdef GRAAL |
|
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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9025
diff
changeset
|
856 |
|
9025
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
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|
857 // Interpreter stub for calling a compiled method with 3 object arguments |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
858 address InterpreterGenerator::generate_execute_compiled_method_entry() { |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
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parents:
8883
diff
changeset
|
859 address entry_point = __ pc(); |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
860 |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
861 // Pick up the return address |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
862 __ movptr(rax, Address(rsp, 0)); |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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diff
changeset
|
863 |
|
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
|
864 // 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
|
865 // 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
|
866 __ 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
|
867 |
|
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
|
868 // 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:
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diff
changeset
|
869 // code calling convention. |
|
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
|
870 __ movq(j_rarg0, Address(r11, Interpreter::stackElementSize*4)); |
|
9046
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
871 |
|
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
872 // Move second object argument. |
|
10475
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
873 __ movq(j_rarg1, Address(r11, Interpreter::stackElementSize*3)); |
|
9046
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
874 |
|
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
|
875 // Move third object argument. |
|
10475
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
876 __ 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
|
877 |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
878 // Load the raw pointer to the HotSpotInstalledCode object. |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
879 __ 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
|
880 |
|
10475
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
881 // 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
|
882 __ 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
|
883 |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
884 // Check whether the nmethod was invalidated |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
885 __ testq(j_rarg3, j_rarg3); |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
886 Label invalid_nmethod; |
|
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
887 __ jcc(Assembler::zero, invalid_nmethod); |
|
9046
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
888 |
|
10534
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
889 // Ensure compiled code always sees stack at proper alignment |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
890 __ andptr(rsp, -16); |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
891 |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
892 // push the return address and misalign the stack that youngest frame always sees |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
893 // as far as the placement of the call instruction |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
894 __ push(rax); |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
895 |
|
9046
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
896 // Perform a tail call to the verified entry point of the nmethod. |
|
9025
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
897 __ 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
|
898 |
|
10475
3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10408
diff
changeset
|
899 __ bind(invalid_nmethod); |
|
10479
40b8c383bc31
Throw InvalidInstalledCodeException directly in the stubs.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10475
diff
changeset
|
900 |
|
10534
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
901 // pop return address, reset last_sp to NULL |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
902 __ empty_expression_stack(); |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
903 __ restore_bcp(); // rsi must be correct for exception handler (was destroyed) |
|
ce09ad599709
Fix bug in executeCompiledMethod interpreter stub.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10506
diff
changeset
|
904 __ restore_locals(); // make sure locals pointer is correct as well (was destroyed) |
|
10479
40b8c383bc31
Throw InvalidInstalledCodeException directly in the stubs.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
10475
diff
changeset
|
905 __ 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
|
906 // 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
|
907 __ 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
|
908 |
|
9025
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
909 return entry_point; |
|
ff5a32117e02
Implement fast invocation of installed code (direct tail call to the target machine code address).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
8883
diff
changeset
|
910 } |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
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
changeset
|
912 #endif |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
913 |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
914 /** |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
915 * Method entry for static native methods: |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
916 * int java.util.zip.CRC32.update(int crc, int b) |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
917 */ |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
918 address InterpreterGenerator::generate_CRC32_update_entry() { |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
919 if (UseCRC32Intrinsics) { |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
920 address entry = __ pc(); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
921 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
922 // rbx,: Method* |
|
12070
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
923 // r13: senderSP must preserved for slow path, set SP to it on fast path |
|
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
924 // c_rarg0: scratch (rdi on non-Win64, rcx on Win64) |
|
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
925 // c_rarg1: scratch (rsi on non-Win64, rdx on Win64) |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
926 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
927 Label slow_path; |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
928 // If we need a safepoint check, generate full interpreter entry. |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
929 ExternalAddress state(SafepointSynchronize::address_of_state()); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
930 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
931 SafepointSynchronize::_not_synchronized); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
932 __ jcc(Assembler::notEqual, slow_path); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
933 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
934 // We don't generate local frame and don't align stack because |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
935 // we call stub code and there is no safepoint on this path. |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
936 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
937 // Load parameters |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
938 const Register crc = rax; // crc |
|
12070
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
939 const Register val = c_rarg0; // source java byte value |
|
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
940 const Register tbl = c_rarg1; // scratch |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
941 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
942 // Arguments are reversed on java expression stack |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
943 __ movl(val, Address(rsp, wordSize)); // byte value |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
944 __ movl(crc, Address(rsp, 2*wordSize)); // Initial CRC |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
945 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
946 __ lea(tbl, ExternalAddress(StubRoutines::crc_table_addr())); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
947 __ notl(crc); // ~crc |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
948 __ update_byte_crc32(crc, val, tbl); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
949 __ notl(crc); // ~crc |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
950 // result in rax |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
951 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
952 // _areturn |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
953 __ pop(rdi); // get return address |
|
12070
afbe18ae0905
8022441: Bad code generated for certain interpreted CRC intrinsics, 2 cases
bharadwaj
parents:
11080
diff
changeset
|
954 __ mov(rsp, r13); // set sp to sender sp |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
955 __ jmp(rdi); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
956 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
957 // generate a vanilla native entry as the slow path |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
958 __ bind(slow_path); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
959 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
960 (void) generate_native_entry(false); |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
961 |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
962 return entry; |
|
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963 } |
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964 return generate_native_entry(false); |
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965 } |
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966 |
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967 /** |
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968 * Method entry for static native methods: |
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969 * int java.util.zip.CRC32.updateBytes(int crc, byte[] b, int off, int len) |
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970 * int java.util.zip.CRC32.updateByteBuffer(int crc, long buf, int off, int len) |
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971 */ |
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972 address InterpreterGenerator::generate_CRC32_updateBytes_entry(AbstractInterpreter::MethodKind kind) { |
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973 if (UseCRC32Intrinsics) { |
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974 address entry = __ pc(); |
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975 |
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976 // rbx,: Method* |
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977 // r13: senderSP must preserved for slow path, set SP to it on fast path |
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978 |
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979 Label slow_path; |
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980 // If we need a safepoint check, generate full interpreter entry. |
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981 ExternalAddress state(SafepointSynchronize::address_of_state()); |
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982 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), |
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983 SafepointSynchronize::_not_synchronized); |
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984 __ jcc(Assembler::notEqual, slow_path); |
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985 |
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986 // We don't generate local frame and don't align stack because |
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987 // we call stub code and there is no safepoint on this path. |
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988 |
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989 // Load parameters |
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990 const Register crc = c_rarg0; // crc |
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991 const Register buf = c_rarg1; // source java byte array address |
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992 const Register len = c_rarg2; // length |
|
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993 const Register off = len; // offset (never overlaps with 'len') |
|
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994 |
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995 // Arguments are reversed on java expression stack |
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996 // Calculate address of start element |
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997 if (kind == Interpreter::java_util_zip_CRC32_updateByteBuffer) { |
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998 __ movptr(buf, Address(rsp, 3*wordSize)); // long buf |
|
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999 __ movl2ptr(off, Address(rsp, 2*wordSize)); // offset |
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1000 __ addq(buf, off); // + offset |
|
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1001 __ movl(crc, Address(rsp, 5*wordSize)); // Initial CRC |
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1002 } else { |
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1003 __ movptr(buf, Address(rsp, 3*wordSize)); // byte[] array |
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1004 __ addptr(buf, arrayOopDesc::base_offset_in_bytes(T_BYTE)); // + header size |
|
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1005 __ movl2ptr(off, Address(rsp, 2*wordSize)); // offset |
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1006 __ addq(buf, off); // + offset |
|
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1007 __ movl(crc, Address(rsp, 4*wordSize)); // Initial CRC |
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1008 } |
|
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1009 // Can now load 'len' since we're finished with 'off' |
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1010 __ movl(len, Address(rsp, wordSize)); // Length |
|
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1011 |
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1012 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, StubRoutines::updateBytesCRC32()), crc, buf, len); |
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1013 // result in rax |
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1014 |
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1015 // _areturn |
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1016 __ pop(rdi); // get return address |
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1017 __ mov(rsp, r13); // set sp to sender sp |
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1018 __ jmp(rdi); |
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1019 |
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1020 // generate a vanilla native entry as the slow path |
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1021 __ bind(slow_path); |
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1022 |
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1023 (void) generate_native_entry(false); |
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1024 |
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1025 return entry; |
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1026 } |
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1027 return generate_native_entry(false); |
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1028 } |
|
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1029 |
| 0 | 1030 // Interpreter stub for calling a native method. (asm interpreter) |
| 1031 // This sets up a somewhat different looking stack for calling the | |
| 1032 // native method than the typical interpreter frame setup. | |
| 1033 address InterpreterGenerator::generate_native_entry(bool synchronized) { | |
| 1034 // determine code generation flags | |
| 1035 bool inc_counter = UseCompiler || CountCompiledCalls; | |
| 1036 | |
|
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1037 // rbx: Method* |
| 0 | 1038 // r13: sender sp |
| 1039 | |
| 1040 address entry_point = __ pc(); | |
| 1041 | |
|
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1042 const Address constMethod (rbx, Method::const_offset()); |
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1043 const Address access_flags (rbx, Method::access_flags_offset()); |
|
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1044 const Address size_of_parameters(rcx, ConstMethod:: |
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1045 size_of_parameters_offset()); |
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1046 |
| 0 | 1047 |
| 1048 // get parameter size (always needed) | |
|
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1049 __ movptr(rcx, constMethod); |
|
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1050 __ load_unsigned_short(rcx, size_of_parameters); |
| 0 | 1051 |
| 1052 // native calls don't need the stack size check since they have no | |
| 1053 // expression stack and the arguments are already on the stack and | |
| 1054 // we only add a handful of words to the stack | |
| 1055 | |
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1056 // rbx: Method* |
| 0 | 1057 // rcx: size of parameters |
| 1058 // r13: sender sp | |
| 304 | 1059 __ pop(rax); // get return address |
| 0 | 1060 |
| 1061 // for natives the size of locals is zero | |
| 1062 | |
| 1063 // compute beginning of parameters (r14) | |
| 304 | 1064 __ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize)); |
| 0 | 1065 |
| 1066 // add 2 zero-initialized slots for native calls | |
| 1067 // initialize result_handler slot | |
| 304 | 1068 __ push((int) NULL_WORD); |
| 0 | 1069 // slot for oop temp |
| 1070 // (static native method holder mirror/jni oop result) | |
| 304 | 1071 __ push((int) NULL_WORD); |
| 0 | 1072 |
| 1073 // initialize fixed part of activation frame | |
| 1074 generate_fixed_frame(true); | |
| 1075 | |
| 1076 // make sure method is native & not abstract | |
| 1077 #ifdef ASSERT | |
| 1078 __ movl(rax, access_flags); | |
| 1079 { | |
| 1080 Label L; | |
| 1081 __ testl(rax, JVM_ACC_NATIVE); | |
| 1082 __ jcc(Assembler::notZero, L); | |
| 1083 __ stop("tried to execute non-native method as native"); | |
| 1084 __ bind(L); | |
| 1085 } | |
| 1086 { | |
| 1087 Label L; | |
| 1088 __ testl(rax, JVM_ACC_ABSTRACT); | |
| 1089 __ jcc(Assembler::zero, L); | |
| 1090 __ stop("tried to execute abstract method in interpreter"); | |
| 1091 __ bind(L); | |
| 1092 } | |
| 1093 #endif | |
| 1094 | |
| 1095 // Since at this point in the method invocation the exception handler | |
| 1096 // would try to exit the monitor of synchronized methods which hasn't | |
| 1097 // been entered yet, we set the thread local variable | |
| 1098 // _do_not_unlock_if_synchronized to true. The remove_activation will | |
| 1099 // check this flag. | |
| 1100 | |
| 1101 const Address do_not_unlock_if_synchronized(r15_thread, | |
| 1102 in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); | |
| 1103 __ movbool(do_not_unlock_if_synchronized, true); | |
| 1104 | |
| 1105 // increment invocation count & check for overflow | |
| 1106 Label invocation_counter_overflow; | |
| 1107 if (inc_counter) { | |
| 1108 generate_counter_incr(&invocation_counter_overflow, NULL, NULL); | |
| 1109 } | |
| 1110 | |
| 1111 Label continue_after_compile; | |
| 1112 __ bind(continue_after_compile); | |
| 1113 | |
| 1114 bang_stack_shadow_pages(true); | |
| 1115 | |
| 1116 // reset the _do_not_unlock_if_synchronized flag | |
| 1117 __ movbool(do_not_unlock_if_synchronized, false); | |
| 1118 | |
| 1119 // check for synchronized methods | |
| 1120 // Must happen AFTER invocation_counter check and stack overflow check, | |
| 1121 // so method is not locked if overflows. | |
| 1122 if (synchronized) { | |
| 1123 lock_method(); | |
| 1124 } else { | |
| 1125 // no synchronization necessary | |
| 1126 #ifdef ASSERT | |
| 1127 { | |
| 1128 Label L; | |
| 1129 __ movl(rax, access_flags); | |
| 1130 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
| 1131 __ jcc(Assembler::zero, L); | |
| 1132 __ stop("method needs synchronization"); | |
| 1133 __ bind(L); | |
| 1134 } | |
| 1135 #endif | |
| 1136 } | |
| 1137 | |
| 1138 // start execution | |
| 1139 #ifdef ASSERT | |
| 1140 { | |
| 1141 Label L; | |
| 1142 const Address monitor_block_top(rbp, | |
| 1143 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
| 304 | 1144 __ movptr(rax, monitor_block_top); |
| 1145 __ cmpptr(rax, rsp); | |
| 0 | 1146 __ jcc(Assembler::equal, L); |
| 1147 __ stop("broken stack frame setup in interpreter"); | |
| 1148 __ bind(L); | |
| 1149 } | |
| 1150 #endif | |
| 1151 | |
| 1152 // jvmti support | |
| 1153 __ notify_method_entry(); | |
| 1154 | |
| 1155 // work registers | |
| 1156 const Register method = rbx; | |
|
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1157 const Register t = r11; |
| 0 | 1158 |
| 1159 // allocate space for parameters | |
| 1160 __ get_method(method); | |
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1161 __ movptr(t, Address(method, Method::const_offset())); |
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1162 __ load_unsigned_short(t, Address(t, ConstMethod::size_of_parameters_offset())); |
| 1506 | 1163 __ shll(t, Interpreter::logStackElementSize); |
| 0 | 1164 |
| 304 | 1165 __ subptr(rsp, t); |
| 1166 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows | |
| 605 | 1167 __ andptr(rsp, -16); // must be 16 byte boundary (see amd64 ABI) |
| 0 | 1168 |
| 1169 // get signature handler | |
| 1170 { | |
| 1171 Label L; | |
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1172 __ movptr(t, Address(method, Method::signature_handler_offset())); |
| 304 | 1173 __ testptr(t, t); |
| 0 | 1174 __ jcc(Assembler::notZero, L); |
| 1175 __ call_VM(noreg, | |
| 1176 CAST_FROM_FN_PTR(address, | |
| 1177 InterpreterRuntime::prepare_native_call), | |
| 1178 method); | |
| 1179 __ get_method(method); | |
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1180 __ movptr(t, Address(method, Method::signature_handler_offset())); |
| 0 | 1181 __ bind(L); |
| 1182 } | |
| 1183 | |
| 1184 // call signature handler | |
| 1185 assert(InterpreterRuntime::SignatureHandlerGenerator::from() == r14, | |
| 1186 "adjust this code"); | |
| 1187 assert(InterpreterRuntime::SignatureHandlerGenerator::to() == rsp, | |
| 1188 "adjust this code"); | |
| 1189 assert(InterpreterRuntime::SignatureHandlerGenerator::temp() == rscratch1, | |
| 1190 "adjust this code"); | |
| 1191 | |
| 1192 // The generated handlers do not touch RBX (the method oop). | |
| 1193 // However, large signatures cannot be cached and are generated | |
| 1194 // each time here. The slow-path generator can do a GC on return, | |
| 1195 // so we must reload it after the call. | |
| 1196 __ call(t); | |
| 1197 __ get_method(method); // slow path can do a GC, reload RBX | |
| 1198 | |
| 1199 | |
| 1200 // result handler is in rax | |
| 1201 // set result handler | |
| 304 | 1202 __ movptr(Address(rbp, |
| 1203 (frame::interpreter_frame_result_handler_offset) * wordSize), | |
| 1204 rax); | |
| 0 | 1205 |
| 1206 // pass mirror handle if static call | |
| 1207 { | |
| 1208 Label L; | |
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1209 const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
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1210 __ movl(t, Address(method, Method::access_flags_offset())); |
| 0 | 1211 __ testl(t, JVM_ACC_STATIC); |
| 1212 __ jcc(Assembler::zero, L); | |
| 1213 // get mirror | |
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1214 __ movptr(t, Address(method, Method::const_offset())); |
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1215 __ movptr(t, Address(t, ConstMethod::constants_offset())); |
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1216 __ movptr(t, Address(t, ConstantPool::pool_holder_offset_in_bytes())); |
| 304 | 1217 __ movptr(t, Address(t, mirror_offset)); |
| 0 | 1218 // copy mirror into activation frame |
| 304 | 1219 __ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize), |
| 0 | 1220 t); |
| 1221 // pass handle to mirror | |
| 304 | 1222 __ lea(c_rarg1, |
| 1223 Address(rbp, frame::interpreter_frame_oop_temp_offset * wordSize)); | |
| 0 | 1224 __ bind(L); |
| 1225 } | |
| 1226 | |
| 1227 // get native function entry point | |
| 1228 { | |
| 1229 Label L; | |
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1230 __ movptr(rax, Address(method, Method::native_function_offset())); |
| 0 | 1231 ExternalAddress unsatisfied(SharedRuntime::native_method_throw_unsatisfied_link_error_entry()); |
| 1232 __ movptr(rscratch2, unsatisfied.addr()); | |
| 304 | 1233 __ cmpptr(rax, rscratch2); |
| 0 | 1234 __ jcc(Assembler::notEqual, L); |
| 1235 __ call_VM(noreg, | |
| 1236 CAST_FROM_FN_PTR(address, | |
| 1237 InterpreterRuntime::prepare_native_call), | |
| 1238 method); | |
| 1239 __ get_method(method); | |
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1240 __ movptr(rax, Address(method, Method::native_function_offset())); |
| 0 | 1241 __ bind(L); |
| 1242 } | |
| 1243 | |
| 1244 // pass JNIEnv | |
| 304 | 1245 __ lea(c_rarg0, Address(r15_thread, JavaThread::jni_environment_offset())); |
| 0 | 1246 |
| 1247 // It is enough that the pc() points into the right code | |
| 1248 // segment. It does not have to be the correct return pc. | |
| 1249 __ set_last_Java_frame(rsp, rbp, (address) __ pc()); | |
| 1250 | |
| 1251 // change thread state | |
| 1252 #ifdef ASSERT | |
| 1253 { | |
| 1254 Label L; | |
| 1255 __ movl(t, Address(r15_thread, JavaThread::thread_state_offset())); | |
| 1256 __ cmpl(t, _thread_in_Java); | |
| 1257 __ jcc(Assembler::equal, L); | |
| 1258 __ stop("Wrong thread state in native stub"); | |
| 1259 __ bind(L); | |
| 1260 } | |
| 1261 #endif | |
| 1262 | |
| 1263 // Change state to native | |
| 1264 | |
| 1265 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), | |
| 1266 _thread_in_native); | |
| 1267 | |
| 1268 // Call the native method. | |
| 1269 __ call(rax); | |
| 1270 // result potentially in rax or xmm0 | |
| 1271 | |
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1272 // Verify or restore cpu control state after JNI call |
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1273 __ restore_cpu_control_state_after_jni(); |
| 0 | 1274 |
| 1275 // NOTE: The order of these pushes is known to frame::interpreter_frame_result | |
| 1276 // in order to extract the result of a method call. If the order of these | |
| 1277 // pushes change or anything else is added to the stack then the code in | |
| 1278 // interpreter_frame_result must also change. | |
| 1279 | |
| 1280 __ push(dtos); | |
| 1281 __ push(ltos); | |
| 1282 | |
| 1283 // change thread state | |
| 1284 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), | |
| 1285 _thread_in_native_trans); | |
| 1286 | |
| 1287 if (os::is_MP()) { | |
| 1288 if (UseMembar) { | |
| 1289 // Force this write out before the read below | |
| 1290 __ membar(Assembler::Membar_mask_bits( | |
| 1291 Assembler::LoadLoad | Assembler::LoadStore | | |
| 1292 Assembler::StoreLoad | Assembler::StoreStore)); | |
| 1293 } else { | |
| 1294 // Write serialization page so VM thread can do a pseudo remote membar. | |
| 1295 // We use the current thread pointer to calculate a thread specific | |
| 1296 // offset to write to within the page. This minimizes bus traffic | |
| 1297 // due to cache line collision. | |
| 1298 __ serialize_memory(r15_thread, rscratch2); | |
| 1299 } | |
| 1300 } | |
| 1301 | |
| 1302 // check for safepoint operation in progress and/or pending suspend requests | |
| 1303 { | |
| 1304 Label Continue; | |
| 1305 __ cmp32(ExternalAddress(SafepointSynchronize::address_of_state()), | |
| 1306 SafepointSynchronize::_not_synchronized); | |
| 1307 | |
| 1308 Label L; | |
| 1309 __ jcc(Assembler::notEqual, L); | |
| 1310 __ cmpl(Address(r15_thread, JavaThread::suspend_flags_offset()), 0); | |
| 1311 __ jcc(Assembler::equal, Continue); | |
| 1312 __ bind(L); | |
| 1313 | |
| 1314 // Don't use call_VM as it will see a possible pending exception | |
| 1315 // and forward it and never return here preventing us from | |
| 1316 // clearing _last_native_pc down below. Also can't use | |
| 1317 // call_VM_leaf either as it will check to see if r13 & r14 are | |
| 1318 // preserved and correspond to the bcp/locals pointers. So we do a | |
| 1319 // runtime call by hand. | |
| 1320 // | |
| 304 | 1321 __ mov(c_rarg0, r15_thread); |
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1322 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
| 304 | 1323 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
| 1324 __ andptr(rsp, -16); // align stack as required by ABI | |
| 0 | 1325 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, JavaThread::check_special_condition_for_native_trans))); |
| 304 | 1326 __ mov(rsp, r12); // restore sp |
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1327 __ reinit_heapbase(); |
| 0 | 1328 __ bind(Continue); |
| 1329 } | |
| 1330 | |
| 1331 // change thread state | |
| 1332 __ movl(Address(r15_thread, JavaThread::thread_state_offset()), _thread_in_Java); | |
| 1333 | |
| 1334 // reset_last_Java_frame | |
| 1335 __ reset_last_Java_frame(true, true); | |
| 1336 | |
| 1337 // reset handle block | |
| 304 | 1338 __ movptr(t, Address(r15_thread, JavaThread::active_handles_offset())); |
| 1339 __ movptr(Address(t, JNIHandleBlock::top_offset_in_bytes()), (int32_t)NULL_WORD); | |
| 0 | 1340 |
| 1341 // If result is an oop unbox and store it in frame where gc will see it | |
| 1342 // and result handler will pick it up | |
| 1343 | |
| 1344 { | |
| 1345 Label no_oop, store_result; | |
| 1346 __ lea(t, ExternalAddress(AbstractInterpreter::result_handler(T_OBJECT))); | |
| 304 | 1347 __ cmpptr(t, Address(rbp, frame::interpreter_frame_result_handler_offset*wordSize)); |
| 0 | 1348 __ jcc(Assembler::notEqual, no_oop); |
| 1349 // retrieve result | |
| 1350 __ pop(ltos); | |
| 304 | 1351 __ testptr(rax, rax); |
| 0 | 1352 __ jcc(Assembler::zero, store_result); |
| 304 | 1353 __ movptr(rax, Address(rax, 0)); |
| 0 | 1354 __ bind(store_result); |
| 304 | 1355 __ movptr(Address(rbp, frame::interpreter_frame_oop_temp_offset*wordSize), rax); |
| 0 | 1356 // keep stack depth as expected by pushing oop which will eventually be discarde |
| 1357 __ push(ltos); | |
| 1358 __ bind(no_oop); | |
| 1359 } | |
| 1360 | |
| 1361 | |
| 1362 { | |
| 1363 Label no_reguard; | |
| 1364 __ cmpl(Address(r15_thread, JavaThread::stack_guard_state_offset()), | |
| 1365 JavaThread::stack_guard_yellow_disabled); | |
| 1366 __ jcc(Assembler::notEqual, no_reguard); | |
| 1367 | |
| 304 | 1368 __ pusha(); // XXX only save smashed registers |
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1369 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
| 304 | 1370 __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows |
| 1371 __ andptr(rsp, -16); // align stack as required by ABI | |
| 0 | 1372 __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::reguard_yellow_pages))); |
| 304 | 1373 __ mov(rsp, r12); // restore sp |
| 1374 __ popa(); // XXX only restore smashed registers | |
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1375 __ reinit_heapbase(); |
| 0 | 1376 |
| 1377 __ bind(no_reguard); | |
| 1378 } | |
| 1379 | |
| 1380 | |
| 1381 // The method register is junk from after the thread_in_native transition | |
| 1382 // until here. Also can't call_VM until the bcp has been | |
| 1383 // restored. Need bcp for throwing exception below so get it now. | |
| 1384 __ get_method(method); | |
| 1385 | |
| 1386 // restore r13 to have legal interpreter frame, i.e., bci == 0 <=> | |
| 1387 // r13 == code_base() | |
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1388 __ movptr(r13, Address(method, Method::const_offset())); // get ConstMethod* |
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1389 __ lea(r13, Address(r13, ConstMethod::codes_offset())); // get codebase |
| 0 | 1390 // handle exceptions (exception handling will handle unlocking!) |
| 1391 { | |
| 1392 Label L; | |
| 304 | 1393 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD); |
| 0 | 1394 __ jcc(Assembler::zero, L); |
| 1395 // Note: At some point we may want to unify this with the code | |
| 1396 // used in call_VM_base(); i.e., we should use the | |
| 1397 // StubRoutines::forward_exception code. For now this doesn't work | |
| 1398 // here because the rsp is not correctly set at this point. | |
| 1399 __ MacroAssembler::call_VM(noreg, | |
| 1400 CAST_FROM_FN_PTR(address, | |
| 1401 InterpreterRuntime::throw_pending_exception)); | |
| 1402 __ should_not_reach_here(); | |
| 1403 __ bind(L); | |
| 1404 } | |
| 1405 | |
| 1406 // do unlocking if necessary | |
| 1407 { | |
| 1408 Label L; | |
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1409 __ movl(t, Address(method, Method::access_flags_offset())); |
| 0 | 1410 __ testl(t, JVM_ACC_SYNCHRONIZED); |
| 1411 __ jcc(Assembler::zero, L); | |
| 1412 // the code below should be shared with interpreter macro | |
| 1413 // assembler implementation | |
| 1414 { | |
| 1415 Label unlock; | |
| 1416 // BasicObjectLock will be first in list, since this is a | |
| 1417 // synchronized method. However, need to check that the object | |
| 1418 // has not been unlocked by an explicit monitorexit bytecode. | |
| 1419 const Address monitor(rbp, | |
| 1420 (intptr_t)(frame::interpreter_frame_initial_sp_offset * | |
| 1421 wordSize - sizeof(BasicObjectLock))); | |
| 1422 | |
| 1423 // monitor expect in c_rarg1 for slow unlock path | |
| 304 | 1424 __ lea(c_rarg1, monitor); // address of first monitor |
| 0 | 1425 |
| 304 | 1426 __ movptr(t, Address(c_rarg1, BasicObjectLock::obj_offset_in_bytes())); |
| 1427 __ testptr(t, t); | |
| 0 | 1428 __ jcc(Assembler::notZero, unlock); |
| 1429 | |
| 1430 // Entry already unlocked, need to throw exception | |
| 1431 __ MacroAssembler::call_VM(noreg, | |
| 1432 CAST_FROM_FN_PTR(address, | |
| 1433 InterpreterRuntime::throw_illegal_monitor_state_exception)); | |
| 1434 __ should_not_reach_here(); | |
| 1435 | |
| 1436 __ bind(unlock); | |
| 1437 __ unlock_object(c_rarg1); | |
| 1438 } | |
| 1439 __ bind(L); | |
| 1440 } | |
| 1441 | |
| 1442 // jvmti support | |
| 1443 // Note: This must happen _after_ handling/throwing any exceptions since | |
| 1444 // the exception handler code notifies the runtime of method exits | |
| 1445 // too. If this happens before, method entry/exit notifications are | |
| 1446 // not properly paired (was bug - gri 11/22/99). | |
| 1447 __ notify_method_exit(vtos, InterpreterMacroAssembler::NotifyJVMTI); | |
| 1448 | |
| 1449 // restore potential result in edx:eax, call result handler to | |
| 1450 // restore potential result in ST0 & handle result | |
| 1451 | |
| 1452 __ pop(ltos); | |
| 1453 __ pop(dtos); | |
| 1454 | |
| 304 | 1455 __ movptr(t, Address(rbp, |
| 1456 (frame::interpreter_frame_result_handler_offset) * wordSize)); | |
| 0 | 1457 __ call(t); |
| 1458 | |
| 1459 // remove activation | |
| 304 | 1460 __ movptr(t, Address(rbp, |
| 1461 frame::interpreter_frame_sender_sp_offset * | |
| 1462 wordSize)); // get sender sp | |
| 0 | 1463 __ leave(); // remove frame anchor |
| 304 | 1464 __ pop(rdi); // get return address |
| 1465 __ mov(rsp, t); // set sp to sender sp | |
| 0 | 1466 __ jmp(rdi); |
| 1467 | |
| 1468 if (inc_counter) { | |
| 1469 // Handle overflow of counter and compile method | |
| 1470 __ bind(invocation_counter_overflow); | |
| 1471 generate_counter_overflow(&continue_after_compile); | |
| 1472 } | |
| 1473 | |
| 1474 return entry_point; | |
| 1475 } | |
| 1476 | |
| 1477 // | |
| 1478 // Generic interpreted method entry to (asm) interpreter | |
| 1479 // | |
| 1480 address InterpreterGenerator::generate_normal_entry(bool synchronized) { | |
| 1481 // determine code generation flags | |
| 1482 bool inc_counter = UseCompiler || CountCompiledCalls; | |
| 1483 | |
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1484 // ebx: Method* |
| 0 | 1485 // r13: sender sp |
| 1486 address entry_point = __ pc(); | |
| 1487 | |
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1488 const Address constMethod(rbx, Method::const_offset()); |
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1489 const Address access_flags(rbx, Method::access_flags_offset()); |
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1490 const Address size_of_parameters(rdx, |
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1491 ConstMethod::size_of_parameters_offset()); |
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1492 const Address size_of_locals(rdx, ConstMethod::size_of_locals_offset()); |
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1493 |
| 0 | 1494 |
| 1495 // get parameter size (always needed) | |
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1496 __ movptr(rdx, constMethod); |
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1497 __ load_unsigned_short(rcx, size_of_parameters); |
| 0 | 1498 |
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1499 // rbx: Method* |
| 0 | 1500 // rcx: size of parameters |
| 1501 // r13: sender_sp (could differ from sp+wordSize if we were called via c2i ) | |
| 1502 | |
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1503 __ load_unsigned_short(rdx, size_of_locals); // get size of locals in words |
| 0 | 1504 __ subl(rdx, rcx); // rdx = no. of additional locals |
| 1505 | |
| 1506 // YYY | |
| 1507 // __ incrementl(rdx); | |
| 1508 // __ andl(rdx, -2); | |
| 1509 | |
| 1510 // see if we've got enough room on the stack for locals plus overhead. | |
| 1511 generate_stack_overflow_check(); | |
| 1512 | |
| 1513 // get return address | |
| 304 | 1514 __ pop(rax); |
| 0 | 1515 |
| 1516 // compute beginning of parameters (r14) | |
| 304 | 1517 __ lea(r14, Address(rsp, rcx, Address::times_8, -wordSize)); |
| 0 | 1518 |
| 1519 // rdx - # of additional locals | |
| 1520 // allocate space for locals | |
| 1521 // explicitly initialize locals | |
| 1522 { | |
| 1523 Label exit, loop; | |
| 1524 __ testl(rdx, rdx); | |
| 1525 __ jcc(Assembler::lessEqual, exit); // do nothing if rdx <= 0 | |
| 1526 __ bind(loop); | |
| 304 | 1527 __ push((int) NULL_WORD); // initialize local variables |
| 0 | 1528 __ decrementl(rdx); // until everything initialized |
| 1529 __ jcc(Assembler::greater, loop); | |
| 1530 __ bind(exit); | |
| 1531 } | |
| 1532 | |
| 1533 // initialize fixed part of activation frame | |
| 1534 generate_fixed_frame(false); | |
| 1535 | |
| 1536 // make sure method is not native & not abstract | |
| 1537 #ifdef ASSERT | |
| 1538 __ movl(rax, access_flags); | |
| 1539 { | |
| 1540 Label L; | |
| 1541 __ testl(rax, JVM_ACC_NATIVE); | |
| 1542 __ jcc(Assembler::zero, L); | |
| 1543 __ stop("tried to execute native method as non-native"); | |
| 1544 __ bind(L); | |
| 1545 } | |
| 1546 { | |
| 1547 Label L; | |
| 1548 __ testl(rax, JVM_ACC_ABSTRACT); | |
| 1549 __ jcc(Assembler::zero, L); | |
| 1550 __ stop("tried to execute abstract method in interpreter"); | |
| 1551 __ bind(L); | |
| 1552 } | |
| 1553 #endif | |
| 1554 | |
| 1555 // Since at this point in the method invocation the exception | |
| 1556 // handler would try to exit the monitor of synchronized methods | |
| 1557 // which hasn't been entered yet, we set the thread local variable | |
| 1558 // _do_not_unlock_if_synchronized to true. The remove_activation | |
| 1559 // will check this flag. | |
| 1560 | |
| 1561 const Address do_not_unlock_if_synchronized(r15_thread, | |
| 1562 in_bytes(JavaThread::do_not_unlock_if_synchronized_offset())); | |
| 1563 __ movbool(do_not_unlock_if_synchronized, true); | |
| 1564 | |
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1565 __ profile_parameters_type(rax, rcx, rdx); |
| 0 | 1566 // increment invocation count & check for overflow |
| 1567 Label invocation_counter_overflow; | |
| 1568 Label profile_method; | |
| 1569 Label profile_method_continue; | |
| 1570 if (inc_counter) { | |
| 1571 generate_counter_incr(&invocation_counter_overflow, | |
| 1572 &profile_method, | |
| 1573 &profile_method_continue); | |
| 1574 if (ProfileInterpreter) { | |
| 1575 __ bind(profile_method_continue); | |
| 1576 } | |
| 1577 } | |
| 1578 | |
| 1579 Label continue_after_compile; | |
| 1580 __ bind(continue_after_compile); | |
| 1581 | |
| 1582 // check for synchronized interpreted methods | |
| 1583 bang_stack_shadow_pages(false); | |
| 1584 | |
| 1585 // reset the _do_not_unlock_if_synchronized flag | |
| 1586 __ movbool(do_not_unlock_if_synchronized, false); | |
| 1587 | |
| 1588 // check for synchronized methods | |
| 1589 // Must happen AFTER invocation_counter check and stack overflow check, | |
| 1590 // so method is not locked if overflows. | |
| 1591 if (synchronized) { | |
| 1592 // Allocate monitor and lock method | |
| 1593 lock_method(); | |
| 1594 } else { | |
| 1595 // no synchronization necessary | |
| 1596 #ifdef ASSERT | |
| 1597 { | |
| 1598 Label L; | |
| 1599 __ movl(rax, access_flags); | |
| 1600 __ testl(rax, JVM_ACC_SYNCHRONIZED); | |
| 1601 __ jcc(Assembler::zero, L); | |
| 1602 __ stop("method needs synchronization"); | |
| 1603 __ bind(L); | |
| 1604 } | |
| 1605 #endif | |
| 1606 } | |
| 1607 | |
| 1608 // start execution | |
| 1609 #ifdef ASSERT | |
| 1610 { | |
| 1611 Label L; | |
| 1612 const Address monitor_block_top (rbp, | |
| 1613 frame::interpreter_frame_monitor_block_top_offset * wordSize); | |
| 304 | 1614 __ movptr(rax, monitor_block_top); |
| 1615 __ cmpptr(rax, rsp); | |
| 0 | 1616 __ jcc(Assembler::equal, L); |
| 1617 __ stop("broken stack frame setup in interpreter"); | |
| 1618 __ bind(L); | |
| 1619 } | |
| 1620 #endif | |
| 1621 | |
| 1622 // jvmti support | |
| 1623 __ notify_method_entry(); | |
| 1624 | |
| 1625 __ dispatch_next(vtos); | |
| 1626 | |
| 1627 // invocation counter overflow | |
| 1628 if (inc_counter) { | |
| 1629 if (ProfileInterpreter) { | |
| 1630 // We have decided to profile this method in the interpreter | |
| 1631 __ bind(profile_method); | |
|
2118
dd031b2226de
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
1976
diff
changeset
|
1632 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::profile_method)); |
|
dd031b2226de
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
1976
diff
changeset
|
1633 __ set_method_data_pointer_for_bcp(); |
|
2141
b599a4c6c2df
7012766: assert(false) failed: DEBUG MESSAGE in MacroAssembler::debug32
iveresov
parents:
2118
diff
changeset
|
1634 __ get_method(rbx); |
| 0 | 1635 __ jmp(profile_method_continue); |
| 1636 } | |
| 1637 // Handle overflow of counter and compile method | |
| 1638 __ bind(invocation_counter_overflow); | |
| 1639 generate_counter_overflow(&continue_after_compile); | |
| 1640 } | |
| 1641 | |
| 1642 return entry_point; | |
| 1643 } | |
| 1644 | |
| 1645 // Entry points | |
| 1646 // | |
| 1647 // Here we generate the various kind of entries into the interpreter. | |
| 1648 // The two main entry type are generic bytecode methods and native | |
| 1649 // call method. These both come in synchronized and non-synchronized | |
| 1650 // versions but the frame layout they create is very similar. The | |
| 1651 // other method entry types are really just special purpose entries | |
| 1652 // that are really entry and interpretation all in one. These are for | |
| 1653 // trivial methods like accessor, empty, or special math methods. | |
| 1654 // | |
| 1655 // When control flow reaches any of the entry types for the interpreter | |
| 1656 // the following holds -> | |
| 1657 // | |
| 1658 // Arguments: | |
| 1659 // | |
|
6725
da91efe96a93
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6266
diff
changeset
|
1660 // rbx: Method* |
| 0 | 1661 // |
| 1662 // Stack layout immediately at entry | |
| 1663 // | |
| 1664 // [ return address ] <--- rsp | |
| 1665 // [ parameter n ] | |
| 1666 // ... | |
| 1667 // [ parameter 1 ] | |
| 1668 // [ expression stack ] (caller's java expression stack) | |
| 1669 | |
| 1670 // Assuming that we don't go to one of the trivial specialized entries | |
| 1671 // the stack will look like below when we are ready to execute the | |
| 1672 // first bytecode (or call the native routine). The register usage | |
| 1673 // will be as the template based interpreter expects (see | |
| 1674 // interpreter_amd64.hpp). | |
| 1675 // | |
| 1676 // local variables follow incoming parameters immediately; i.e. | |
| 1677 // the return address is moved to the end of the locals). | |
| 1678 // | |
| 1679 // [ monitor entry ] <--- rsp | |
| 1680 // ... | |
| 1681 // [ monitor entry ] | |
| 1682 // [ expr. stack bottom ] | |
| 1683 // [ saved r13 ] | |
| 1684 // [ current r14 ] | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
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6266
diff
changeset
|
1685 // [ Method* ] |
| 0 | 1686 // [ saved ebp ] <--- rbp |
| 1687 // [ return address ] | |
| 1688 // [ local variable m ] | |
| 1689 // ... | |
| 1690 // [ local variable 1 ] | |
| 1691 // [ parameter n ] | |
| 1692 // ... | |
| 1693 // [ parameter 1 ] <--- r14 | |
| 1694 | |
| 1695 address AbstractInterpreterGenerator::generate_method_entry( | |
| 1696 AbstractInterpreter::MethodKind kind) { | |
| 1697 // determine code generation flags | |
| 1698 bool synchronized = false; | |
| 1699 address entry_point = NULL; | |
|
11080
b800986664f4
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drchase
parents:
10393
diff
changeset
|
1700 InterpreterGenerator* ig_this = (InterpreterGenerator*)this; |
| 0 | 1701 |
| 1702 switch (kind) { | |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
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diff
changeset
|
1703 case Interpreter::zerolocals : break; |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1704 case Interpreter::zerolocals_synchronized: synchronized = true; break; |
|
9046
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
1705 #ifdef GRAAL |
|
11173
6b0fd0964b87
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
1706 case Interpreter::execute_compiled_method: entry_point = ig_this->generate_execute_compiled_method_entry(); break; |
|
9046
c6a1ffc707ff
Comments and #ifdef GRAAL for recent changes to C++ code for calling nmethods directly.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
9025
diff
changeset
|
1707 #endif |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1708 case Interpreter::native : entry_point = ig_this->generate_native_entry(false); break; |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1709 case Interpreter::native_synchronized : entry_point = ig_this->generate_native_entry(true); break; |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1710 case Interpreter::empty : entry_point = ig_this->generate_empty_entry(); break; |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1711 case Interpreter::accessor : entry_point = ig_this->generate_accessor_entry(); break; |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1712 case Interpreter::abstract : entry_point = ig_this->generate_abstract_entry(); break; |
|
706
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1713 |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1714 case Interpreter::java_lang_math_sin : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1715 case Interpreter::java_lang_math_cos : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1716 case Interpreter::java_lang_math_tan : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1717 case Interpreter::java_lang_math_abs : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1718 case Interpreter::java_lang_math_log : // fall thru |
|
819880572f09
6539464: Math.log() produces inconsistent results between successive runs.
never
parents:
622
diff
changeset
|
1719 case Interpreter::java_lang_math_log10 : // fall thru |
|
6084
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
4771
diff
changeset
|
1720 case Interpreter::java_lang_math_sqrt : // fall thru |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
4771
diff
changeset
|
1721 case Interpreter::java_lang_math_pow : // fall thru |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1722 case Interpreter::java_lang_math_exp : entry_point = ig_this->generate_math_entry(kind); break; |
|
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2245
diff
changeset
|
1723 case Interpreter::java_lang_ref_reference_get |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1724 : entry_point = ig_this->generate_Reference_get_entry(); break; |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1725 case Interpreter::java_util_zip_CRC32_update |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1726 : entry_point = ig_this->generate_CRC32_update_entry(); break; |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
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diff
changeset
|
1727 case Interpreter::java_util_zip_CRC32_updateBytes |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1728 : // fall thru |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1729 case Interpreter::java_util_zip_CRC32_updateByteBuffer |
|
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1730 : entry_point = ig_this->generate_CRC32_updateBytes_entry(kind); break; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6123
diff
changeset
|
1731 default: |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6123
diff
changeset
|
1732 fatal(err_msg("unexpected method kind: %d", kind)); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6123
diff
changeset
|
1733 break; |
| 0 | 1734 } |
| 1735 | |
| 1736 if (entry_point) { | |
| 1737 return entry_point; | |
| 1738 } | |
| 1739 | |
|
11080
b800986664f4
7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32
drchase
parents:
10393
diff
changeset
|
1740 return ig_this->generate_normal_entry(synchronized); |
| 0 | 1741 } |
| 1742 | |
|
1174
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1743 // These should never be compiled since the interpreter will prefer |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1744 // the compiled version to the intrinsic version. |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1745 bool AbstractInterpreter::can_be_compiled(methodHandle m) { |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1746 switch (method_kind(m)) { |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1747 case Interpreter::java_lang_math_sin : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1748 case Interpreter::java_lang_math_cos : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1749 case Interpreter::java_lang_math_tan : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1750 case Interpreter::java_lang_math_abs : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1751 case Interpreter::java_lang_math_log : // fall thru |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1752 case Interpreter::java_lang_math_log10 : // fall thru |
|
6084
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
4771
diff
changeset
|
1753 case Interpreter::java_lang_math_sqrt : // fall thru |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
4771
diff
changeset
|
1754 case Interpreter::java_lang_math_pow : // fall thru |
|
6759698e3140
7133857: exp() and pow() should use the x87 ISA on x86
roland
parents:
4771
diff
changeset
|
1755 case Interpreter::java_lang_math_exp : |
|
1174
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1756 return false; |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1757 default: |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1758 return true; |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1759 } |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1760 } |
|
ddb7834449d0
6849984: Value methods for platform dependent math functions constant fold incorrectly
never
parents:
1135
diff
changeset
|
1761 |
| 0 | 1762 // How much stack a method activation needs in words. |
|
6725
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1763 int AbstractInterpreter::size_top_interpreter_activation(Method* method) { |
| 0 | 1764 const int entry_size = frame::interpreter_frame_monitor_size(); |
| 1765 | |
| 1766 // total overhead size: entry_size + (saved rbp thru expr stack | |
| 1767 // bottom). be sure to change this if you add/subtract anything | |
| 1768 // to/from the overhead area | |
| 1769 const int overhead_size = | |
| 1770 -(frame::interpreter_frame_initial_sp_offset) + entry_size; | |
| 1771 | |
| 1772 const int stub_code = frame::entry_frame_after_call_words; | |
|
10393
603ca7e51354
8010460: Interpreter on some platforms loads ConstMethod::_max_stack and misses extra stack slots for JSR 292
roland
parents:
10141
diff
changeset
|
1773 const int method_stack = (method->max_locals() + method->max_stack()) * |
| 1506 | 1774 Interpreter::stackElementWords; |
| 0 | 1775 return (overhead_size + method_stack + stub_code); |
| 1776 } | |
| 1777 | |
|
6725
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coleenp
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6266
diff
changeset
|
1778 int AbstractInterpreter::layout_activation(Method* method, |
| 0 | 1779 int tempcount, |
| 1780 int popframe_extra_args, | |
| 1781 int moncount, | |
|
3369
3d2ab563047a
7043461: VM crashes in void LinkResolver::runtime_resolve_virtual_method
never
parents:
3252
diff
changeset
|
1782 int caller_actual_parameters, |
| 0 | 1783 int callee_param_count, |
| 1784 int callee_locals, | |
| 1785 frame* caller, | |
| 1786 frame* interpreter_frame, | |
|
8727
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8009761: Deoptimization on sparc doesn't set Llast_SP correctly in the interpreter frames it creates
roland
parents:
8001
diff
changeset
|
1787 bool is_top_frame, |
|
0094485b46c7
8009761: Deoptimization on sparc doesn't set Llast_SP correctly in the interpreter frames it creates
roland
parents:
8001
diff
changeset
|
1788 bool is_bottom_frame) { |
| 0 | 1789 // Note: This calculation must exactly parallel the frame setup |
| 1790 // in AbstractInterpreterGenerator::generate_method_entry. | |
| 1791 // If interpreter_frame!=NULL, set up the method, locals, and monitors. | |
| 1792 // The frame interpreter_frame, if not NULL, is guaranteed to be the | |
| 1793 // right size, as determined by a previous call to this method. | |
| 1794 // It is also guaranteed to be walkable even though it is in a skeletal state | |
| 1795 | |
| 1796 // fixed size of an interpreter frame: | |
| 1506 | 1797 int max_locals = method->max_locals() * Interpreter::stackElementWords; |
| 0 | 1798 int extra_locals = (method->max_locals() - method->size_of_parameters()) * |
| 1506 | 1799 Interpreter::stackElementWords; |
| 0 | 1800 |
| 1801 int overhead = frame::sender_sp_offset - | |
| 1802 frame::interpreter_frame_initial_sp_offset; | |
| 1803 // Our locals were accounted for by the caller (or last_frame_adjust | |
| 1804 // on the transistion) Since the callee parameters already account | |
| 1805 // for the callee's params we only need to account for the extra | |
| 1806 // locals. | |
| 1807 int size = overhead + | |
| 1506 | 1808 (callee_locals - callee_param_count)*Interpreter::stackElementWords + |
| 0 | 1809 moncount * frame::interpreter_frame_monitor_size() + |
| 1506 | 1810 tempcount* Interpreter::stackElementWords + popframe_extra_args; |
| 0 | 1811 if (interpreter_frame != NULL) { |
| 1812 #ifdef ASSERT | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2245
diff
changeset
|
1813 if (!EnableInvokeDynamic) |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
1814 // @@@ 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
parents:
1108
diff
changeset
|
1815 // Probably, since deoptimization doesn't work yet. |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1108
diff
changeset
|
1816 assert(caller->unextended_sp() == interpreter_frame->interpreter_frame_sender_sp(), "Frame not properly walkable"); |
| 0 | 1817 assert(caller->sp() == interpreter_frame->sender_sp(), "Frame not properly walkable(2)"); |
| 1818 #endif | |
| 1819 | |
| 1820 interpreter_frame->interpreter_frame_set_method(method); | |
| 1821 // NOTE the difference in using sender_sp and | |
| 1822 // interpreter_frame_sender_sp interpreter_frame_sender_sp is | |
| 1823 // the original sp of the caller (the unextended_sp) and | |
| 1824 // sender_sp is fp+16 XXX | |
| 1825 intptr_t* locals = interpreter_frame->sender_sp() + max_locals - 1; | |
| 1826 | |
|
4042
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3451
diff
changeset
|
1827 #ifdef ASSERT |
|
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3451
diff
changeset
|
1828 if (caller->is_interpreted_frame()) { |
|
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3451
diff
changeset
|
1829 assert(locals < caller->fp() + frame::interpreter_frame_initial_sp_offset, "bad placement"); |
|
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3451
diff
changeset
|
1830 } |
|
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3451
diff
changeset
|
1831 #endif |
|
b20d64f83668
7090904: JSR 292: JRuby junit test crashes in PSScavengeRootsClosure::do_oop
twisti
parents:
3451
diff
changeset
|
1832 |
| 0 | 1833 interpreter_frame->interpreter_frame_set_locals(locals); |
| 1834 BasicObjectLock* montop = interpreter_frame->interpreter_frame_monitor_begin(); | |
| 1835 BasicObjectLock* monbot = montop - moncount; | |
| 1836 interpreter_frame->interpreter_frame_set_monitor_end(monbot); | |
| 1837 | |
| 1838 // Set last_sp | |
| 1839 intptr_t* esp = (intptr_t*) monbot - | |
| 1506 | 1840 tempcount*Interpreter::stackElementWords - |
| 0 | 1841 popframe_extra_args; |
| 1842 interpreter_frame->interpreter_frame_set_last_sp(esp); | |
| 1843 | |
| 1844 // All frames but the initial (oldest) interpreter frame we fill in have | |
| 1845 // a value for sender_sp that allows walking the stack but isn't | |
| 1846 // truly correct. Correct the value here. | |
| 1847 if (extra_locals != 0 && | |
| 1848 interpreter_frame->sender_sp() == | |
| 1849 interpreter_frame->interpreter_frame_sender_sp()) { | |
| 1850 interpreter_frame->set_interpreter_frame_sender_sp(caller->sp() + | |
| 1851 extra_locals); | |
| 1852 } | |
| 1853 *interpreter_frame->interpreter_frame_cache_addr() = | |
| 1854 method->constants()->cache(); | |
| 1855 } | |
| 1856 return size; | |
| 1857 } | |
| 1858 | |
| 1859 //----------------------------------------------------------------------------- | |
| 1860 // Exceptions | |
| 1861 | |
| 1862 void TemplateInterpreterGenerator::generate_throw_exception() { | |
| 1863 // Entry point in previous activation (i.e., if the caller was | |
| 1864 // interpreted) | |
| 1865 Interpreter::_rethrow_exception_entry = __ pc(); | |
| 1866 // Restore sp to interpreter_frame_last_sp even though we are going | |
| 1867 // to empty the expression stack for the exception processing. | |
| 304 | 1868 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); |
| 0 | 1869 // rax: exception |
| 1870 // rdx: return address/pc that threw exception | |
| 1871 __ restore_bcp(); // r13 points to call/send | |
| 1872 __ restore_locals(); | |
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1873 __ reinit_heapbase(); // restore r12 as heapbase. |
| 0 | 1874 // Entry point for exceptions thrown within interpreter code |
| 1875 Interpreter::_throw_exception_entry = __ pc(); | |
| 1876 // expression stack is undefined here | |
| 1877 // rax: exception | |
| 1878 // r13: exception bcp | |
| 1879 __ verify_oop(rax); | |
| 304 | 1880 __ mov(c_rarg1, rax); |
| 0 | 1881 |
| 1882 // expression stack must be empty before entering the VM in case of | |
| 1883 // an exception | |
| 1884 __ empty_expression_stack(); | |
| 1885 // find exception handler address and preserve exception oop | |
| 1886 __ call_VM(rdx, | |
| 1887 CAST_FROM_FN_PTR(address, | |
| 1888 InterpreterRuntime::exception_handler_for_exception), | |
| 1889 c_rarg1); | |
| 1890 // rax: exception handler entry point | |
| 1891 // rdx: preserved exception oop | |
| 1892 // r13: bcp for exception handler | |
| 1893 __ push_ptr(rdx); // push exception which is now the only value on the stack | |
| 1894 __ jmp(rax); // jump to exception handler (may be _remove_activation_entry!) | |
| 1895 | |
| 1896 // If the exception is not handled in the current frame the frame is | |
| 1897 // removed and the exception is rethrown (i.e. exception | |
| 1898 // continuation is _rethrow_exception). | |
| 1899 // | |
| 1900 // Note: At this point the bci is still the bxi for the instruction | |
| 1901 // which caused the exception and the expression stack is | |
| 1902 // empty. Thus, for any VM calls at this point, GC will find a legal | |
| 1903 // oop map (with empty expression stack). | |
| 1904 | |
| 1905 // In current activation | |
| 1906 // tos: exception | |
| 1907 // esi: exception bcp | |
| 1908 | |
| 1909 // | |
| 1910 // JVMTI PopFrame support | |
| 1911 // | |
| 1912 | |
| 1913 Interpreter::_remove_activation_preserving_args_entry = __ pc(); | |
| 1914 __ empty_expression_stack(); | |
| 1915 // Set the popframe_processing bit in pending_popframe_condition | |
| 1916 // indicating that we are currently handling popframe, so that | |
| 1917 // call_VMs that may happen later do not trigger new popframe | |
| 1918 // handling cycles. | |
| 1919 __ movl(rdx, Address(r15_thread, JavaThread::popframe_condition_offset())); | |
| 1920 __ orl(rdx, JavaThread::popframe_processing_bit); | |
| 1921 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), rdx); | |
| 1922 | |
| 1923 { | |
| 1924 // Check to see whether we are returning to a deoptimized frame. | |
| 1925 // (The PopFrame call ensures that the caller of the popped frame is | |
| 1926 // either interpreted or compiled and deoptimizes it if compiled.) | |
| 1927 // In this case, we can't call dispatch_next() after the frame is | |
| 1928 // popped, but instead must save the incoming arguments and restore | |
| 1929 // them after deoptimization has occurred. | |
| 1930 // | |
| 1931 // Note that we don't compare the return PC against the | |
| 1932 // deoptimization blob's unpack entry because of the presence of | |
| 1933 // adapter frames in C2. | |
| 1934 Label caller_not_deoptimized; | |
| 304 | 1935 __ movptr(c_rarg1, Address(rbp, frame::return_addr_offset * wordSize)); |
| 0 | 1936 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
| 1937 InterpreterRuntime::interpreter_contains), c_rarg1); | |
| 1938 __ testl(rax, rax); | |
| 1939 __ jcc(Assembler::notZero, caller_not_deoptimized); | |
| 1940 | |
| 1941 // Compute size of arguments for saving when returning to | |
| 1942 // deoptimized caller | |
| 1943 __ get_method(rax); | |
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1944 __ movptr(rax, Address(rax, Method::const_offset())); |
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1945 __ load_unsigned_short(rax, Address(rax, in_bytes(ConstMethod:: |
| 0 | 1946 size_of_parameters_offset()))); |
| 1506 | 1947 __ shll(rax, Interpreter::logStackElementSize); |
| 0 | 1948 __ restore_locals(); // XXX do we need this? |
| 304 | 1949 __ subptr(r14, rax); |
| 1950 __ addptr(r14, wordSize); | |
| 0 | 1951 // Save these arguments |
| 1952 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, | |
| 1953 Deoptimization:: | |
| 1954 popframe_preserve_args), | |
| 1955 r15_thread, rax, r14); | |
| 1956 | |
| 1957 __ remove_activation(vtos, rdx, | |
| 1958 /* throw_monitor_exception */ false, | |
| 1959 /* install_monitor_exception */ false, | |
| 1960 /* notify_jvmdi */ false); | |
| 1961 | |
| 1962 // Inform deoptimization that it is responsible for restoring | |
| 1963 // these arguments | |
| 1964 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), | |
| 1965 JavaThread::popframe_force_deopt_reexecution_bit); | |
| 1966 | |
| 1967 // Continue in deoptimization handler | |
| 1968 __ jmp(rdx); | |
| 1969 | |
| 1970 __ bind(caller_not_deoptimized); | |
| 1971 } | |
| 1972 | |
| 1973 __ remove_activation(vtos, rdx, /* rdx result (retaddr) is not used */ | |
| 1974 /* throw_monitor_exception */ false, | |
| 1975 /* install_monitor_exception */ false, | |
| 1976 /* notify_jvmdi */ false); | |
| 1977 | |
| 1978 // Finish with popframe handling | |
| 1979 // A previous I2C followed by a deoptimization might have moved the | |
| 1980 // outgoing arguments further up the stack. PopFrame expects the | |
| 1981 // mutations to those outgoing arguments to be preserved and other | |
| 1982 // constraints basically require this frame to look exactly as | |
| 1983 // though it had previously invoked an interpreted activation with | |
| 1984 // no space between the top of the expression stack (current | |
| 1985 // last_sp) and the top of stack. Rather than force deopt to | |
| 1986 // maintain this kind of invariant all the time we call a small | |
| 1987 // fixup routine to move the mutated arguments onto the top of our | |
| 1988 // expression stack if necessary. | |
| 304 | 1989 __ mov(c_rarg1, rsp); |
| 1990 __ movptr(c_rarg2, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); | |
| 0 | 1991 // PC must point into interpreter here |
| 1992 __ set_last_Java_frame(noreg, rbp, __ pc()); | |
| 1993 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::popframe_move_outgoing_args), r15_thread, c_rarg1, c_rarg2); | |
| 1994 __ reset_last_Java_frame(true, true); | |
| 1995 // Restore the last_sp and null it out | |
| 304 | 1996 __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize)); |
| 1997 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD); | |
| 0 | 1998 |
| 1999 __ restore_bcp(); // XXX do we need this? | |
| 2000 __ restore_locals(); // XXX do we need this? | |
| 2001 // The method data pointer was incremented already during | |
| 2002 // call profiling. We have to restore the mdp for the current bcp. | |
| 2003 if (ProfileInterpreter) { | |
| 2004 __ set_method_data_pointer_for_bcp(); | |
| 2005 } | |
| 2006 | |
| 2007 // Clear the popframe condition flag | |
| 2008 __ movl(Address(r15_thread, JavaThread::popframe_condition_offset()), | |
| 2009 JavaThread::popframe_inactive); | |
| 2010 | |
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2011 #if INCLUDE_JVMTI |
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2012 if (EnableInvokeDynamic) { |
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2013 Label L_done; |
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2014 const Register local0 = r14; |
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2015 |
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2016 __ cmpb(Address(r13, 0), Bytecodes::_invokestatic); |
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2017 __ jcc(Assembler::notEqual, L_done); |
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2018 |
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2019 // The member name argument must be restored if _invokestatic is re-executed after a PopFrame call. |
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2020 // Detect such a case in the InterpreterRuntime function and return the member name argument, or NULL. |
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2021 |
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2022 __ get_method(rdx); |
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2023 __ movptr(rax, Address(local0, 0)); |
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2024 __ call_VM(rax, CAST_FROM_FN_PTR(address, InterpreterRuntime::member_name_arg_or_null), rax, rdx, r13); |
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2025 |
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2026 __ testptr(rax, rax); |
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2027 __ jcc(Assembler::zero, L_done); |
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2028 |
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2029 __ movptr(Address(rbx, 0), rax); |
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2030 __ bind(L_done); |
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2031 } |
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2032 #endif // INCLUDE_JVMTI |
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2033 |
| 0 | 2034 __ dispatch_next(vtos); |
| 2035 // end of PopFrame support | |
| 2036 | |
| 2037 Interpreter::_remove_activation_entry = __ pc(); | |
| 2038 | |
| 2039 // preserve exception over this code sequence | |
| 2040 __ pop_ptr(rax); | |
| 304 | 2041 __ movptr(Address(r15_thread, JavaThread::vm_result_offset()), rax); |
| 0 | 2042 // remove the activation (without doing throws on illegalMonitorExceptions) |
| 2043 __ remove_activation(vtos, rdx, false, true, false); | |
| 2044 // restore exception | |
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2045 __ get_vm_result(rax, r15_thread); |
| 0 | 2046 |
| 2047 // In between activations - previous activation type unknown yet | |
| 2048 // compute continuation point - the continuation point expects the | |
| 2049 // following registers set up: | |
| 2050 // | |
| 2051 // rax: exception | |
| 2052 // rdx: return address/pc that threw exception | |
| 2053 // rsp: expression stack of caller | |
| 2054 // rbp: ebp of caller | |
| 304 | 2055 __ push(rax); // save exception |
| 2056 __ push(rdx); // save return address | |
| 0 | 2057 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, |
| 2058 SharedRuntime::exception_handler_for_return_address), | |
| 1295 | 2059 r15_thread, rdx); |
| 304 | 2060 __ mov(rbx, rax); // save exception handler |
| 2061 __ pop(rdx); // restore return address | |
| 2062 __ pop(rax); // restore exception | |
| 0 | 2063 // Note that an "issuing PC" is actually the next PC after the call |
| 2064 __ jmp(rbx); // jump to exception | |
| 2065 // handler of caller | |
| 2066 } | |
| 2067 | |
| 2068 | |
| 2069 // | |
| 2070 // JVMTI ForceEarlyReturn support | |
| 2071 // | |
| 2072 address TemplateInterpreterGenerator::generate_earlyret_entry_for(TosState state) { | |
| 2073 address entry = __ pc(); | |
| 2074 | |
| 2075 __ restore_bcp(); | |
| 2076 __ restore_locals(); | |
| 2077 __ empty_expression_stack(); | |
| 2078 __ load_earlyret_value(state); | |
| 2079 | |
| 304 | 2080 __ movptr(rdx, Address(r15_thread, JavaThread::jvmti_thread_state_offset())); |
| 0 | 2081 Address cond_addr(rdx, JvmtiThreadState::earlyret_state_offset()); |
| 2082 | |
| 2083 // Clear the earlyret state | |
| 2084 __ movl(cond_addr, JvmtiThreadState::earlyret_inactive); | |
| 2085 | |
| 2086 __ remove_activation(state, rsi, | |
| 2087 false, /* throw_monitor_exception */ | |
| 2088 false, /* install_monitor_exception */ | |
| 2089 true); /* notify_jvmdi */ | |
| 2090 __ jmp(rsi); | |
| 2091 | |
| 2092 return entry; | |
| 2093 } // end of ForceEarlyReturn support | |
| 2094 | |
| 2095 | |
| 2096 //----------------------------------------------------------------------------- | |
| 2097 // Helper for vtos entry point generation | |
| 2098 | |
| 2099 void TemplateInterpreterGenerator::set_vtos_entry_points(Template* t, | |
| 2100 address& bep, | |
| 2101 address& cep, | |
| 2102 address& sep, | |
| 2103 address& aep, | |
| 2104 address& iep, | |
| 2105 address& lep, | |
| 2106 address& fep, | |
| 2107 address& dep, | |
| 2108 address& vep) { | |
| 2109 assert(t->is_valid() && t->tos_in() == vtos, "illegal template"); | |
| 2110 Label L; | |
| 2111 aep = __ pc(); __ push_ptr(); __ jmp(L); | |
| 2112 fep = __ pc(); __ push_f(); __ jmp(L); | |
| 2113 dep = __ pc(); __ push_d(); __ jmp(L); | |
| 2114 lep = __ pc(); __ push_l(); __ jmp(L); | |
| 2115 bep = cep = sep = | |
| 2116 iep = __ pc(); __ push_i(); | |
| 2117 vep = __ pc(); | |
| 2118 __ bind(L); | |
| 2119 generate_and_dispatch(t); | |
| 2120 } | |
| 2121 | |
| 2122 | |
| 2123 //----------------------------------------------------------------------------- | |
| 2124 // Generation of individual instructions | |
| 2125 | |
| 2126 // helpers for generate_and_dispatch | |
| 2127 | |
| 2128 | |
| 2129 InterpreterGenerator::InterpreterGenerator(StubQueue* code) | |
| 2130 : TemplateInterpreterGenerator(code) { | |
| 2131 generate_all(); // down here so it can be "virtual" | |
| 2132 } | |
| 2133 | |
| 2134 //----------------------------------------------------------------------------- | |
| 2135 | |
| 2136 // Non-product code | |
| 2137 #ifndef PRODUCT | |
| 2138 address TemplateInterpreterGenerator::generate_trace_code(TosState state) { | |
| 2139 address entry = __ pc(); | |
| 2140 | |
| 2141 __ push(state); | |
| 304 | 2142 __ push(c_rarg0); |
| 2143 __ push(c_rarg1); | |
| 2144 __ push(c_rarg2); | |
| 2145 __ push(c_rarg3); | |
| 2146 __ mov(c_rarg2, rax); // Pass itos | |
| 0 | 2147 #ifdef _WIN64 |
| 2148 __ movflt(xmm3, xmm0); // Pass ftos | |
| 2149 #endif | |
| 2150 __ call_VM(noreg, | |
| 2151 CAST_FROM_FN_PTR(address, SharedRuntime::trace_bytecode), | |
| 2152 c_rarg1, c_rarg2, c_rarg3); | |
| 304 | 2153 __ pop(c_rarg3); |
| 2154 __ pop(c_rarg2); | |
| 2155 __ pop(c_rarg1); | |
| 2156 __ pop(c_rarg0); | |
| 0 | 2157 __ pop(state); |
| 2158 __ ret(0); // return from result handler | |
| 2159 | |
| 2160 return entry; | |
| 2161 } | |
| 2162 | |
| 2163 void TemplateInterpreterGenerator::count_bytecode() { | |
| 2164 __ incrementl(ExternalAddress((address) &BytecodeCounter::_counter_value)); | |
| 2165 } | |
| 2166 | |
| 2167 void TemplateInterpreterGenerator::histogram_bytecode(Template* t) { | |
| 2168 __ incrementl(ExternalAddress((address) &BytecodeHistogram::_counters[t->bytecode()])); | |
| 2169 } | |
| 2170 | |
| 2171 void TemplateInterpreterGenerator::histogram_bytecode_pair(Template* t) { | |
| 2172 __ mov32(rbx, ExternalAddress((address) &BytecodePairHistogram::_index)); | |
| 2173 __ shrl(rbx, BytecodePairHistogram::log2_number_of_codes); | |
| 2174 __ orl(rbx, | |
| 2175 ((int) t->bytecode()) << | |
| 2176 BytecodePairHistogram::log2_number_of_codes); | |
| 2177 __ mov32(ExternalAddress((address) &BytecodePairHistogram::_index), rbx); | |
| 2178 __ lea(rscratch1, ExternalAddress((address) BytecodePairHistogram::_counters)); | |
| 2179 __ incrementl(Address(rscratch1, rbx, Address::times_4)); | |
| 2180 } | |
| 2181 | |
| 2182 | |
| 2183 void TemplateInterpreterGenerator::trace_bytecode(Template* t) { | |
| 2184 // Call a little run-time stub to avoid blow-up for each bytecode. | |
| 2185 // The run-time runtime saves the right registers, depending on | |
| 2186 // the tosca in-state for the given template. | |
| 2187 | |
| 2188 assert(Interpreter::trace_code(t->tos_in()) != NULL, | |
| 2189 "entry must have been generated"); | |
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2190 __ mov(r12, rsp); // remember sp (can only use r12 if not using call_VM) |
| 304 | 2191 __ andptr(rsp, -16); // align stack as required by ABI |
| 0 | 2192 __ call(RuntimeAddress(Interpreter::trace_code(t->tos_in()))); |
| 304 | 2193 __ mov(rsp, r12); // restore sp |
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2194 __ reinit_heapbase(); |
| 0 | 2195 } |
| 2196 | |
| 2197 | |
| 2198 void TemplateInterpreterGenerator::stop_interpreter_at() { | |
| 2199 Label L; | |
| 2200 __ cmp32(ExternalAddress((address) &BytecodeCounter::_counter_value), | |
| 2201 StopInterpreterAt); | |
| 2202 __ jcc(Assembler::notEqual, L); | |
| 2203 __ int3(); | |
| 2204 __ bind(L); | |
| 2205 } | |
| 2206 #endif // !PRODUCT | |
| 304 | 2207 #endif // ! CC_INTERP |