rev 49827 : 8201593: Print array length in ArrayIndexOutOfBoundsException.

   1 /*
   2  * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved.
   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  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "c1/c1_CodeStubs.hpp"
  27 #include "c1/c1_FrameMap.hpp"
  28 #include "c1/c1_LIRAssembler.hpp"
  29 #include "c1/c1_MacroAssembler.hpp"
  30 #include "c1/c1_Runtime1.hpp"
  31 #include "nativeInst_x86.hpp"
  32 #include "runtime/sharedRuntime.hpp"
  33 #include "utilities/align.hpp"
  34 #include "utilities/macros.hpp"
  35 #include "vmreg_x86.inline.hpp"
  36 #if INCLUDE_ALL_GCS
  37 #include "gc/g1/g1BarrierSet.hpp"
  38 #endif // INCLUDE_ALL_GCS
  39 
  40 
  41 #define __ ce->masm()->
  42 
  43 float ConversionStub::float_zero = 0.0;
  44 double ConversionStub::double_zero = 0.0;
  45 
  46 void ConversionStub::emit_code(LIR_Assembler* ce) {
  47   __ bind(_entry);
  48   assert(bytecode() == Bytecodes::_f2i || bytecode() == Bytecodes::_d2i, "other conversions do not require stub");
  49 
  50 
  51   if (input()->is_single_xmm()) {
  52     __ comiss(input()->as_xmm_float_reg(),
  53               ExternalAddress((address)&float_zero));
  54   } else if (input()->is_double_xmm()) {
  55     __ comisd(input()->as_xmm_double_reg(),
  56               ExternalAddress((address)&double_zero));
  57   } else {
  58     LP64_ONLY(ShouldNotReachHere());
  59     __ push(rax);
  60     __ ftst();
  61     __ fnstsw_ax();
  62     __ sahf();
  63     __ pop(rax);
  64   }
  65 
  66   Label NaN, do_return;
  67   __ jccb(Assembler::parity, NaN);
  68   __ jccb(Assembler::below, do_return);
  69 
  70   // input is > 0 -> return maxInt
  71   // result register already contains 0x80000000, so subtracting 1 gives 0x7fffffff
  72   __ decrement(result()->as_register());
  73   __ jmpb(do_return);
  74 
  75   // input is NaN -> return 0
  76   __ bind(NaN);
  77   __ xorptr(result()->as_register(), result()->as_register());
  78 
  79   __ bind(do_return);
  80   __ jmp(_continuation);
  81 }
  82 
  83 void CounterOverflowStub::emit_code(LIR_Assembler* ce) {
  84   __ bind(_entry);
  85   Metadata *m = _method->as_constant_ptr()->as_metadata();
  86   ce->store_parameter(m, 1);
  87   ce->store_parameter(_bci, 0);
  88   __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::counter_overflow_id)));
  89   ce->add_call_info_here(_info);
  90   ce->verify_oop_map(_info);
  91   __ jmp(_continuation);
  92 }
  93 
  94 RangeCheckStub::RangeCheckStub(CodeEmitInfo* info, LIR_Opr index, LIR_Opr array)
  95   : _throw_index_out_of_bounds_exception(array == NULL), _index(index), _array(array)


  96 {
  97   assert(info != NULL, "must have info");
  98   _info = new CodeEmitInfo(info);
  99 }
 100 
 101 
 102 void RangeCheckStub::emit_code(LIR_Assembler* ce) {
 103   __ bind(_entry);
 104   if (_info->deoptimize_on_exception()) {
 105     address a = Runtime1::entry_for(Runtime1::predicate_failed_trap_id);
 106     __ call(RuntimeAddress(a));
 107     ce->add_call_info_here(_info);
 108     ce->verify_oop_map(_info);
 109     debug_only(__ should_not_reach_here());
 110     return;
 111   }
 112 
 113   // pass the array index on stack because all registers must be preserved
 114   if (_index->is_cpu_register()) {
 115     ce->store_parameter(_index->as_register(), 0);
 116   } else {
 117     ce->store_parameter(_index->as_jint(), 0);
 118   }
 119   Runtime1::StubID stub_id;
 120   if (_throw_index_out_of_bounds_exception) {
 121     stub_id = Runtime1::throw_index_exception_id;
 122   } else {
 123     stub_id = Runtime1::throw_range_check_failed_id;
 124     ce->store_parameter(_array->as_pointer_register(), 1);
 125   }
 126   __ call(RuntimeAddress(Runtime1::entry_for(stub_id)));
 127   ce->add_call_info_here(_info);
 128   ce->verify_oop_map(_info);
 129   debug_only(__ should_not_reach_here());
 130 }
 131 
 132 PredicateFailedStub::PredicateFailedStub(CodeEmitInfo* info) {
 133   _info = new CodeEmitInfo(info);
 134 }
 135 
 136 void PredicateFailedStub::emit_code(LIR_Assembler* ce) {
 137   __ bind(_entry);
 138   address a = Runtime1::entry_for(Runtime1::predicate_failed_trap_id);
 139   __ call(RuntimeAddress(a));
 140   ce->add_call_info_here(_info);
 141   ce->verify_oop_map(_info);
 142   debug_only(__ should_not_reach_here());
 143 }
 144 
 145 void DivByZeroStub::emit_code(LIR_Assembler* ce) {
 146   if (_offset != -1) {
 147     ce->compilation()->implicit_exception_table()->append(_offset, __ offset());
 148   }
 149   __ bind(_entry);
 150   __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::throw_div0_exception_id)));
 151   ce->add_call_info_here(_info);
 152   debug_only(__ should_not_reach_here());
 153 }
 154 
 155 
 156 // Implementation of NewInstanceStub
 157 
 158 NewInstanceStub::NewInstanceStub(LIR_Opr klass_reg, LIR_Opr result, ciInstanceKlass* klass, CodeEmitInfo* info, Runtime1::StubID stub_id) {
 159   _result = result;
 160   _klass = klass;
 161   _klass_reg = klass_reg;
 162   _info = new CodeEmitInfo(info);
 163   assert(stub_id == Runtime1::new_instance_id                 ||
 164          stub_id == Runtime1::fast_new_instance_id            ||
 165          stub_id == Runtime1::fast_new_instance_init_check_id,
 166          "need new_instance id");
 167   _stub_id   = stub_id;
 168 }
 169 
 170 
 171 void NewInstanceStub::emit_code(LIR_Assembler* ce) {
 172   assert(__ rsp_offset() == 0, "frame size should be fixed");
 173   __ bind(_entry);
 174   __ movptr(rdx, _klass_reg->as_register());
 175   __ call(RuntimeAddress(Runtime1::entry_for(_stub_id)));
 176   ce->add_call_info_here(_info);
 177   ce->verify_oop_map(_info);
 178   assert(_result->as_register() == rax, "result must in rax,");
 179   __ jmp(_continuation);
 180 }
 181 
 182 
 183 // Implementation of NewTypeArrayStub
 184 
 185 NewTypeArrayStub::NewTypeArrayStub(LIR_Opr klass_reg, LIR_Opr length, LIR_Opr result, CodeEmitInfo* info) {
 186   _klass_reg = klass_reg;
 187   _length = length;
 188   _result = result;
 189   _info = new CodeEmitInfo(info);
 190 }
 191 
 192 
 193 void NewTypeArrayStub::emit_code(LIR_Assembler* ce) {
 194   assert(__ rsp_offset() == 0, "frame size should be fixed");
 195   __ bind(_entry);
 196   assert(_length->as_register() == rbx, "length must in rbx,");
 197   assert(_klass_reg->as_register() == rdx, "klass_reg must in rdx");
 198   __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::new_type_array_id)));
 199   ce->add_call_info_here(_info);
 200   ce->verify_oop_map(_info);
 201   assert(_result->as_register() == rax, "result must in rax,");
 202   __ jmp(_continuation);
 203 }
 204 
 205 
 206 // Implementation of NewObjectArrayStub
 207 
 208 NewObjectArrayStub::NewObjectArrayStub(LIR_Opr klass_reg, LIR_Opr length, LIR_Opr result, CodeEmitInfo* info) {
 209   _klass_reg = klass_reg;
 210   _result = result;
 211   _length = length;
 212   _info = new CodeEmitInfo(info);
 213 }
 214 
 215 
 216 void NewObjectArrayStub::emit_code(LIR_Assembler* ce) {
 217   assert(__ rsp_offset() == 0, "frame size should be fixed");
 218   __ bind(_entry);
 219   assert(_length->as_register() == rbx, "length must in rbx,");
 220   assert(_klass_reg->as_register() == rdx, "klass_reg must in rdx");
 221   __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::new_object_array_id)));
 222   ce->add_call_info_here(_info);
 223   ce->verify_oop_map(_info);
 224   assert(_result->as_register() == rax, "result must in rax,");
 225   __ jmp(_continuation);
 226 }
 227 
 228 
 229 // Implementation of MonitorAccessStubs
 230 
 231 MonitorEnterStub::MonitorEnterStub(LIR_Opr obj_reg, LIR_Opr lock_reg, CodeEmitInfo* info)
 232 : MonitorAccessStub(obj_reg, lock_reg)
 233 {
 234   _info = new CodeEmitInfo(info);
 235 }
 236 
 237 
 238 void MonitorEnterStub::emit_code(LIR_Assembler* ce) {
 239   assert(__ rsp_offset() == 0, "frame size should be fixed");
 240   __ bind(_entry);
 241   ce->store_parameter(_obj_reg->as_register(),  1);
 242   ce->store_parameter(_lock_reg->as_register(), 0);
 243   Runtime1::StubID enter_id;
 244   if (ce->compilation()->has_fpu_code()) {
 245     enter_id = Runtime1::monitorenter_id;
 246   } else {
 247     enter_id = Runtime1::monitorenter_nofpu_id;
 248   }
 249   __ call(RuntimeAddress(Runtime1::entry_for(enter_id)));
 250   ce->add_call_info_here(_info);
 251   ce->verify_oop_map(_info);
 252   __ jmp(_continuation);
 253 }
 254 
 255 
 256 void MonitorExitStub::emit_code(LIR_Assembler* ce) {
 257   __ bind(_entry);
 258   if (_compute_lock) {
 259     // lock_reg was destroyed by fast unlocking attempt => recompute it
 260     ce->monitor_address(_monitor_ix, _lock_reg);
 261   }
 262   ce->store_parameter(_lock_reg->as_register(), 0);
 263   // note: non-blocking leaf routine => no call info needed
 264   Runtime1::StubID exit_id;
 265   if (ce->compilation()->has_fpu_code()) {
 266     exit_id = Runtime1::monitorexit_id;
 267   } else {
 268     exit_id = Runtime1::monitorexit_nofpu_id;
 269   }
 270   __ call(RuntimeAddress(Runtime1::entry_for(exit_id)));
 271   __ jmp(_continuation);
 272 }
 273 
 274 
 275 // Implementation of patching:
 276 // - Copy the code at given offset to an inlined buffer (first the bytes, then the number of bytes)
 277 // - Replace original code with a call to the stub
 278 // At Runtime:
 279 // - call to stub, jump to runtime
 280 // - in runtime: preserve all registers (rspecially objects, i.e., source and destination object)
 281 // - in runtime: after initializing class, restore original code, reexecute instruction
 282 
 283 int PatchingStub::_patch_info_offset = -NativeGeneralJump::instruction_size;
 284 
 285 void PatchingStub::align_patch_site(MacroAssembler* masm) {
 286   // We're patching a 5-7 byte instruction on intel and we need to
 287   // make sure that we don't see a piece of the instruction.  It
 288   // appears mostly impossible on Intel to simply invalidate other
 289   // processors caches and since they may do aggressive prefetch it's
 290   // very hard to make a guess about what code might be in the icache.
 291   // Force the instruction to be double word aligned so that it
 292   // doesn't span a cache line.
 293   masm->align(align_up((int)NativeGeneralJump::instruction_size, wordSize));
 294 }
 295 
 296 void PatchingStub::emit_code(LIR_Assembler* ce) {
 297   assert(NativeCall::instruction_size <= _bytes_to_copy && _bytes_to_copy <= 0xFF, "not enough room for call");
 298 
 299   Label call_patch;
 300 
 301   // static field accesses have special semantics while the class
 302   // initializer is being run so we emit a test which can be used to
 303   // check that this code is being executed by the initializing
 304   // thread.
 305   address being_initialized_entry = __ pc();
 306   if (CommentedAssembly) {
 307     __ block_comment(" patch template");
 308   }
 309   if (_id == load_klass_id) {
 310     // produce a copy of the load klass instruction for use by the being initialized case
 311 #ifdef ASSERT
 312     address start = __ pc();
 313 #endif
 314     Metadata* o = NULL;
 315     __ mov_metadata(_obj, o);
 316 #ifdef ASSERT
 317     for (int i = 0; i < _bytes_to_copy; i++) {
 318       address ptr = (address)(_pc_start + i);
 319       int a_byte = (*ptr) & 0xFF;
 320       assert(a_byte == *start++, "should be the same code");
 321     }
 322 #endif
 323   } else if (_id == load_mirror_id) {
 324     // produce a copy of the load mirror instruction for use by the being
 325     // initialized case
 326 #ifdef ASSERT
 327     address start = __ pc();
 328 #endif
 329     jobject o = NULL;
 330     __ movoop(_obj, o);
 331 #ifdef ASSERT
 332     for (int i = 0; i < _bytes_to_copy; i++) {
 333       address ptr = (address)(_pc_start + i);
 334       int a_byte = (*ptr) & 0xFF;
 335       assert(a_byte == *start++, "should be the same code");
 336     }
 337 #endif
 338   } else {
 339     // make a copy the code which is going to be patched.
 340     for (int i = 0; i < _bytes_to_copy; i++) {
 341       address ptr = (address)(_pc_start + i);
 342       int a_byte = (*ptr) & 0xFF;
 343       __ emit_int8(a_byte);
 344       *ptr = 0x90; // make the site look like a nop
 345     }
 346   }
 347 
 348   address end_of_patch = __ pc();
 349   int bytes_to_skip = 0;
 350   if (_id == load_mirror_id) {
 351     int offset = __ offset();
 352     if (CommentedAssembly) {
 353       __ block_comment(" being_initialized check");
 354     }
 355     assert(_obj != noreg, "must be a valid register");
 356     Register tmp = rax;
 357     Register tmp2 = rbx;
 358     __ push(tmp);
 359     __ push(tmp2);
 360     // Load without verification to keep code size small. We need it because
 361     // begin_initialized_entry_offset has to fit in a byte. Also, we know it's not null.
 362     __ movptr(tmp2, Address(_obj, java_lang_Class::klass_offset_in_bytes()));
 363     __ get_thread(tmp);
 364     __ cmpptr(tmp, Address(tmp2, InstanceKlass::init_thread_offset()));
 365     __ pop(tmp2);
 366     __ pop(tmp);
 367     __ jcc(Assembler::notEqual, call_patch);
 368 
 369     // access_field patches may execute the patched code before it's
 370     // copied back into place so we need to jump back into the main
 371     // code of the nmethod to continue execution.
 372     __ jmp(_patch_site_continuation);
 373 
 374     // make sure this extra code gets skipped
 375     bytes_to_skip += __ offset() - offset;
 376   }
 377   if (CommentedAssembly) {
 378     __ block_comment("patch data encoded as movl");
 379   }
 380   // Now emit the patch record telling the runtime how to find the
 381   // pieces of the patch.  We only need 3 bytes but for readability of
 382   // the disassembly we make the data look like a movl reg, imm32,
 383   // which requires 5 bytes
 384   int sizeof_patch_record = 5;
 385   bytes_to_skip += sizeof_patch_record;
 386 
 387   // emit the offsets needed to find the code to patch
 388   int being_initialized_entry_offset = __ pc() - being_initialized_entry + sizeof_patch_record;
 389 
 390   __ emit_int8((unsigned char)0xB8);
 391   __ emit_int8(0);
 392   __ emit_int8(being_initialized_entry_offset);
 393   __ emit_int8(bytes_to_skip);
 394   __ emit_int8(_bytes_to_copy);
 395   address patch_info_pc = __ pc();
 396   assert(patch_info_pc - end_of_patch == bytes_to_skip, "incorrect patch info");
 397 
 398   address entry = __ pc();
 399   NativeGeneralJump::insert_unconditional((address)_pc_start, entry);
 400   address target = NULL;
 401   relocInfo::relocType reloc_type = relocInfo::none;
 402   switch (_id) {
 403     case access_field_id:  target = Runtime1::entry_for(Runtime1::access_field_patching_id); break;
 404     case load_klass_id:    target = Runtime1::entry_for(Runtime1::load_klass_patching_id); reloc_type = relocInfo::metadata_type; break;
 405     case load_mirror_id:   target = Runtime1::entry_for(Runtime1::load_mirror_patching_id); reloc_type = relocInfo::oop_type; break;
 406     case load_appendix_id:      target = Runtime1::entry_for(Runtime1::load_appendix_patching_id); reloc_type = relocInfo::oop_type; break;
 407     default: ShouldNotReachHere();
 408   }
 409   __ bind(call_patch);
 410 
 411   if (CommentedAssembly) {
 412     __ block_comment("patch entry point");
 413   }
 414   __ call(RuntimeAddress(target));
 415   assert(_patch_info_offset == (patch_info_pc - __ pc()), "must not change");
 416   ce->add_call_info_here(_info);
 417   int jmp_off = __ offset();
 418   __ jmp(_patch_site_entry);
 419   // Add enough nops so deoptimization can overwrite the jmp above with a call
 420   // and not destroy the world. We cannot use fat nops here, since the concurrent
 421   // code rewrite may transiently create the illegal instruction sequence.
 422   for (int j = __ offset() ; j < jmp_off + 5 ; j++ ) {
 423     __ nop();
 424   }
 425   if (_id == load_klass_id || _id == load_mirror_id || _id == load_appendix_id) {
 426     CodeSection* cs = __ code_section();
 427     RelocIterator iter(cs, (address)_pc_start, (address)(_pc_start + 1));
 428     relocInfo::change_reloc_info_for_address(&iter, (address) _pc_start, reloc_type, relocInfo::none);
 429   }
 430 }
 431 
 432 
 433 void DeoptimizeStub::emit_code(LIR_Assembler* ce) {
 434   __ bind(_entry);
 435   ce->store_parameter(_trap_request, 0);
 436   __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::deoptimize_id)));
 437   ce->add_call_info_here(_info);
 438   DEBUG_ONLY(__ should_not_reach_here());
 439 }
 440 
 441 
 442 void ImplicitNullCheckStub::emit_code(LIR_Assembler* ce) {
 443   address a;
 444   if (_info->deoptimize_on_exception()) {
 445     // Deoptimize, do not throw the exception, because it is probably wrong to do it here.
 446     a = Runtime1::entry_for(Runtime1::predicate_failed_trap_id);
 447   } else {
 448     a = Runtime1::entry_for(Runtime1::throw_null_pointer_exception_id);
 449   }
 450 
 451   ce->compilation()->implicit_exception_table()->append(_offset, __ offset());
 452   __ bind(_entry);
 453   __ call(RuntimeAddress(a));
 454   ce->add_call_info_here(_info);
 455   ce->verify_oop_map(_info);
 456   debug_only(__ should_not_reach_here());
 457 }
 458 
 459 
 460 void SimpleExceptionStub::emit_code(LIR_Assembler* ce) {
 461   assert(__ rsp_offset() == 0, "frame size should be fixed");
 462 
 463   __ bind(_entry);
 464   // pass the object on stack because all registers must be preserved
 465   if (_obj->is_cpu_register()) {
 466     ce->store_parameter(_obj->as_register(), 0);
 467   }
 468   __ call(RuntimeAddress(Runtime1::entry_for(_stub)));
 469   ce->add_call_info_here(_info);
 470   debug_only(__ should_not_reach_here());
 471 }
 472 
 473 
 474 void ArrayCopyStub::emit_code(LIR_Assembler* ce) {
 475   //---------------slow case: call to native-----------------
 476   __ bind(_entry);
 477   // Figure out where the args should go
 478   // This should really convert the IntrinsicID to the Method* and signature
 479   // but I don't know how to do that.
 480   //
 481   VMRegPair args[5];
 482   BasicType signature[5] = { T_OBJECT, T_INT, T_OBJECT, T_INT, T_INT};
 483   SharedRuntime::java_calling_convention(signature, args, 5, true);
 484 
 485   // push parameters
 486   // (src, src_pos, dest, destPos, length)
 487   Register r[5];
 488   r[0] = src()->as_register();
 489   r[1] = src_pos()->as_register();
 490   r[2] = dst()->as_register();
 491   r[3] = dst_pos()->as_register();
 492   r[4] = length()->as_register();
 493 
 494   // next registers will get stored on the stack
 495   for (int i = 0; i < 5 ; i++ ) {
 496     VMReg r_1 = args[i].first();
 497     if (r_1->is_stack()) {
 498       int st_off = r_1->reg2stack() * wordSize;
 499       __ movptr (Address(rsp, st_off), r[i]);
 500     } else {
 501       assert(r[i] == args[i].first()->as_Register(), "Wrong register for arg ");
 502     }
 503   }
 504 
 505   ce->align_call(lir_static_call);
 506 
 507   ce->emit_static_call_stub();
 508   if (ce->compilation()->bailed_out()) {
 509     return; // CodeCache is full
 510   }
 511   AddressLiteral resolve(SharedRuntime::get_resolve_static_call_stub(),
 512                          relocInfo::static_call_type);
 513   __ call(resolve);
 514   ce->add_call_info_here(info());
 515 
 516 #ifndef PRODUCT
 517   __ incrementl(ExternalAddress((address)&Runtime1::_arraycopy_slowcase_cnt));
 518 #endif
 519 
 520   __ jmp(_continuation);
 521 }
 522 
 523 /////////////////////////////////////////////////////////////////////////////
 524 #if INCLUDE_ALL_GCS
 525 
 526 void G1PreBarrierStub::emit_code(LIR_Assembler* ce) {
 527   // At this point we know that marking is in progress.
 528   // If do_load() is true then we have to emit the
 529   // load of the previous value; otherwise it has already
 530   // been loaded into _pre_val.
 531 
 532   __ bind(_entry);
 533   assert(pre_val()->is_register(), "Precondition.");
 534 
 535   Register pre_val_reg = pre_val()->as_register();
 536 
 537   if (do_load()) {
 538     ce->mem2reg(addr(), pre_val(), T_OBJECT, patch_code(), info(), false /*wide*/, false /*unaligned*/);
 539   }
 540 
 541   __ cmpptr(pre_val_reg, (int32_t) NULL_WORD);
 542   __ jcc(Assembler::equal, _continuation);
 543   ce->store_parameter(pre_val()->as_register(), 0);
 544   __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::g1_pre_barrier_slow_id)));
 545   __ jmp(_continuation);
 546 
 547 }
 548 
 549 void G1PostBarrierStub::emit_code(LIR_Assembler* ce) {
 550   __ bind(_entry);
 551   assert(addr()->is_register(), "Precondition.");
 552   assert(new_val()->is_register(), "Precondition.");
 553   Register new_val_reg = new_val()->as_register();
 554   __ cmpptr(new_val_reg, (int32_t) NULL_WORD);
 555   __ jcc(Assembler::equal, _continuation);
 556   ce->store_parameter(addr()->as_pointer_register(), 0);
 557   __ call(RuntimeAddress(Runtime1::entry_for(Runtime1::g1_post_barrier_slow_id)));
 558   __ jmp(_continuation);
 559 }
 560 
 561 #endif // INCLUDE_ALL_GCS
 562 /////////////////////////////////////////////////////////////////////////////
 563 
 564 #undef __
--- EOF ---