rev 49827 : 8201593: Print array length in ArrayIndexOutOfBoundsException.

   1 /*
   2  * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2012, 2015 SAP SE. All rights reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #include "precompiled.hpp"
  27 #include "c1/c1_CodeStubs.hpp"
  28 #include "c1/c1_FrameMap.hpp"
  29 #include "c1/c1_LIRAssembler.hpp"
  30 #include "c1/c1_MacroAssembler.hpp"
  31 #include "c1/c1_Runtime1.hpp"
  32 #include "nativeInst_ppc.hpp"
  33 #include "runtime/sharedRuntime.hpp"
  34 #include "utilities/macros.hpp"
  35 #include "vmreg_ppc.inline.hpp"
  36 #if INCLUDE_ALL_GCS
  37 #include "gc/g1/g1BarrierSet.hpp"
  38 #endif // INCLUDE_ALL_GCS
  39 
  40 #define __ ce->masm()->
  41 
  42 
  43 RangeCheckStub::RangeCheckStub(CodeEmitInfo* info, LIR_Opr index, LIR_Opr array)
  44   : _throw_index_out_of_bounds_exception(array == NULL), _index(index), _array(array) {


  45   assert(info != NULL, "must have info");
  46   _info = new CodeEmitInfo(info);
  47 }
  48 
  49 void RangeCheckStub::emit_code(LIR_Assembler* ce) {
  50   __ bind(_entry);
  51 
  52   if (_info->deoptimize_on_exception()) {
  53     address a = Runtime1::entry_for(Runtime1::predicate_failed_trap_id);
  54     // May be used by optimizations like LoopInvariantCodeMotion or RangeCheckEliminator.
  55     DEBUG_ONLY( __ untested("RangeCheckStub: predicate_failed_trap_id"); )
  56     //__ load_const_optimized(R0, a);
  57     __ add_const_optimized(R0, R29_TOC, MacroAssembler::offset_to_global_toc(a));
  58     __ mtctr(R0);
  59     __ bctrl();
  60     ce->add_call_info_here(_info);
  61     ce->verify_oop_map(_info);
  62     debug_only(__ illtrap());
  63     return;
  64   }
  65 
  66   address stub = _throw_index_out_of_bounds_exception ? Runtime1::entry_for(Runtime1::throw_index_exception_id)
  67                                                       : Runtime1::entry_for(Runtime1::throw_range_check_failed_id);
  68   //__ load_const_optimized(R0, stub);
  69   __ add_const_optimized(R0, R29_TOC, MacroAssembler::offset_to_global_toc(stub));
  70   __ mtctr(R0);
  71 
  72   Register index = R0; // pass in R0
  73   if (_index->is_register()) {
  74     __ extsw(index, _index->as_register());
  75   } else {
  76     __ load_const_optimized(index, _index->as_jint());
  77   }
  78   if (_array) {
  79     __ std(_array->as_pointer_register(), -8, R1_SP);
  80   }
  81   __ std(R0, -16, R1_SP);
  82 
  83   __ bctrl();
  84   ce->add_call_info_here(_info);
  85   ce->verify_oop_map(_info);
  86   debug_only(__ illtrap());
  87 }
  88 
  89 
  90 PredicateFailedStub::PredicateFailedStub(CodeEmitInfo* info) {
  91   _info = new CodeEmitInfo(info);
  92 }
  93 
  94 void PredicateFailedStub::emit_code(LIR_Assembler* ce) {
  95   __ bind(_entry);
  96   address a = Runtime1::entry_for(Runtime1::predicate_failed_trap_id);
  97   //__ load_const_optimized(R0, a);
  98   __ add_const_optimized(R0, R29_TOC, MacroAssembler::offset_to_global_toc(a));
  99   __ mtctr(R0);
 100   __ bctrl();
 101   ce->add_call_info_here(_info);
 102   ce->verify_oop_map(_info);
 103   debug_only(__ illtrap());
 104 }
 105 
 106 
 107 void CounterOverflowStub::emit_code(LIR_Assembler* ce) {
 108   __ bind(_entry);
 109 
 110   // Parameter 1: bci
 111   __ load_const_optimized(R0, _bci);
 112   __ std(R0, -16, R1_SP);
 113 
 114   // Parameter 2: Method*
 115   Metadata *m = _method->as_constant_ptr()->as_metadata();
 116   AddressLiteral md = __ constant_metadata_address(m); // Notify OOP recorder (don't need the relocation).
 117   __ load_const_optimized(R0, md.value());
 118   __ std(R0, -8, R1_SP);
 119 
 120   address a = Runtime1::entry_for(Runtime1::counter_overflow_id);
 121   //__ load_const_optimized(R0, a);
 122   __ add_const_optimized(R0, R29_TOC, MacroAssembler::offset_to_global_toc(a));
 123   __ mtctr(R0);
 124   __ bctrl();
 125   ce->add_call_info_here(_info);
 126   ce->verify_oop_map(_info);
 127 
 128   __ b(_continuation);
 129 }
 130 
 131 
 132 void DivByZeroStub::emit_code(LIR_Assembler* ce) {
 133   if (_offset != -1) {
 134     ce->compilation()->implicit_exception_table()->append(_offset, __ offset());
 135   }
 136   __ bind(_entry);
 137   address stub = Runtime1::entry_for(Runtime1::throw_div0_exception_id);
 138   //__ load_const_optimized(R0, stub);
 139   __ add_const_optimized(R0, R29_TOC, MacroAssembler::offset_to_global_toc(stub));
 140   __ mtctr(R0);
 141   __ bctrl();
 142   ce->add_call_info_here(_info);
 143   ce->verify_oop_map(_info);
 144   debug_only(__ illtrap());
 145 }
 146 
 147 
 148 void ImplicitNullCheckStub::emit_code(LIR_Assembler* ce) {
 149   address a;
 150   if (_info->deoptimize_on_exception()) {
 151     // Deoptimize, do not throw the exception, because it is probably wrong to do it here.
 152     a = Runtime1::entry_for(Runtime1::predicate_failed_trap_id);
 153   } else {
 154     a = Runtime1::entry_for(Runtime1::throw_null_pointer_exception_id);
 155   }
 156 
 157   if (ImplicitNullChecks || TrapBasedNullChecks) {
 158     ce->compilation()->implicit_exception_table()->append(_offset, __ offset());
 159   }
 160   __ bind(_entry);
 161   //__ load_const_optimized(R0, a);
 162   __ add_const_optimized(R0, R29_TOC, MacroAssembler::offset_to_global_toc(a));
 163   __ mtctr(R0);
 164   __ bctrl();
 165   ce->add_call_info_here(_info);
 166   ce->verify_oop_map(_info);
 167   debug_only(__ illtrap());
 168 }
 169 
 170 
 171 // Implementation of SimpleExceptionStub
 172 void SimpleExceptionStub::emit_code(LIR_Assembler* ce) {
 173   __ bind(_entry);
 174   address stub = Runtime1::entry_for(_stub);
 175   //__ load_const_optimized(R0, stub);
 176   __ add_const_optimized(R0, R29_TOC, MacroAssembler::offset_to_global_toc(stub));
 177   if (_obj->is_valid()) { __ mr_if_needed(/*tmp1 in do_CheckCast*/ R4_ARG2, _obj->as_register()); }
 178   __ mtctr(R0);
 179   __ bctrl();
 180   ce->add_call_info_here(_info);
 181   debug_only( __ illtrap(); )
 182 }
 183 
 184 
 185 // Implementation of NewInstanceStub
 186 NewInstanceStub::NewInstanceStub(LIR_Opr klass_reg, LIR_Opr result, ciInstanceKlass* klass, CodeEmitInfo* info, Runtime1::StubID stub_id) {
 187   _result = result;
 188   _klass = klass;
 189   _klass_reg = klass_reg;
 190   _info = new CodeEmitInfo(info);
 191   assert(stub_id == Runtime1::new_instance_id                 ||
 192          stub_id == Runtime1::fast_new_instance_id            ||
 193          stub_id == Runtime1::fast_new_instance_init_check_id,
 194          "need new_instance id");
 195   _stub_id = stub_id;
 196 }
 197 
 198 void NewInstanceStub::emit_code(LIR_Assembler* ce) {
 199   __ bind(_entry);
 200 
 201   address entry = Runtime1::entry_for(_stub_id);
 202   //__ load_const_optimized(R0, entry);
 203   __ add_const_optimized(R0, R29_TOC, MacroAssembler::offset_to_global_toc(entry));
 204   __ mtctr(R0);
 205   __ bctrl();
 206   ce->add_call_info_here(_info);
 207   ce->verify_oop_map(_info);
 208   __ b(_continuation);
 209 }
 210 
 211 
 212 // Implementation of NewTypeArrayStub
 213 NewTypeArrayStub::NewTypeArrayStub(LIR_Opr klass_reg, LIR_Opr length, LIR_Opr result, CodeEmitInfo* info) {
 214   _klass_reg = klass_reg;
 215   _length = length;
 216   _result = result;
 217   _info = new CodeEmitInfo(info);
 218 }
 219 
 220 void NewTypeArrayStub::emit_code(LIR_Assembler* ce) {
 221   __ bind(_entry);
 222 
 223   address entry = Runtime1::entry_for(Runtime1::new_type_array_id);
 224   //__ load_const_optimized(R0, entry);
 225   __ add_const_optimized(R0, R29_TOC, MacroAssembler::offset_to_global_toc(entry));
 226   __ mr_if_needed(/*op->tmp1()->as_register()*/ R5_ARG3, _length->as_register()); // already sign-extended
 227   __ mtctr(R0);
 228   __ bctrl();
 229   ce->add_call_info_here(_info);
 230   ce->verify_oop_map(_info);
 231   __ b(_continuation);
 232 }
 233 
 234 
 235 // Implementation of NewObjectArrayStub
 236 NewObjectArrayStub::NewObjectArrayStub(LIR_Opr klass_reg, LIR_Opr length, LIR_Opr result, CodeEmitInfo* info) {
 237   _klass_reg = klass_reg;
 238   _length = length;
 239   _result = result;
 240   _info = new CodeEmitInfo(info);
 241 }
 242 
 243 void NewObjectArrayStub::emit_code(LIR_Assembler* ce) {
 244   __ bind(_entry);
 245 
 246   address entry = Runtime1::entry_for(Runtime1::new_object_array_id);
 247   //__ load_const_optimized(R0, entry);
 248   __ add_const_optimized(R0, R29_TOC, MacroAssembler::offset_to_global_toc(entry));
 249   __ mr_if_needed(/*op->tmp1()->as_register()*/ R5_ARG3, _length->as_register()); // already sign-extended
 250   __ mtctr(R0);
 251   __ bctrl();
 252   ce->add_call_info_here(_info);
 253   ce->verify_oop_map(_info);
 254   __ b(_continuation);
 255 }
 256 
 257 
 258 // Implementation of MonitorAccessStubs
 259 MonitorEnterStub::MonitorEnterStub(LIR_Opr obj_reg, LIR_Opr lock_reg, CodeEmitInfo* info)
 260   : MonitorAccessStub(obj_reg, lock_reg) {
 261   _info = new CodeEmitInfo(info);
 262 }
 263 
 264 void MonitorEnterStub::emit_code(LIR_Assembler* ce) {
 265   __ bind(_entry);
 266   address stub = Runtime1::entry_for(ce->compilation()->has_fpu_code() ? Runtime1::monitorenter_id : Runtime1::monitorenter_nofpu_id);
 267   //__ load_const_optimized(R0, stub);
 268   __ add_const_optimized(R0, R29_TOC, MacroAssembler::offset_to_global_toc(stub));
 269   __ mr_if_needed(/*scratch_opr()->as_register()*/ R4_ARG2, _obj_reg->as_register());
 270   assert(_lock_reg->as_register() == R5_ARG3, "");
 271   __ mtctr(R0);
 272   __ bctrl();
 273   ce->add_call_info_here(_info);
 274   ce->verify_oop_map(_info);
 275   __ b(_continuation);
 276 }
 277 
 278 void MonitorExitStub::emit_code(LIR_Assembler* ce) {
 279   __ bind(_entry);
 280   if (_compute_lock) {
 281     ce->monitor_address(_monitor_ix, _lock_reg);
 282   }
 283   address stub = Runtime1::entry_for(ce->compilation()->has_fpu_code() ? Runtime1::monitorexit_id : Runtime1::monitorexit_nofpu_id);
 284   //__ load_const_optimized(R0, stub);
 285   __ add_const_optimized(R0, R29_TOC, MacroAssembler::offset_to_global_toc(stub));
 286   assert(_lock_reg->as_register() == R4_ARG2, "");
 287   __ mtctr(R0);
 288   __ bctrl();
 289   __ b(_continuation);
 290 }
 291 
 292 
 293 // Implementation of patching:
 294 // - Copy the code at given offset to an inlined buffer (first the bytes, then the number of bytes).
 295 // - Replace original code with a call to the stub.
 296 // At Runtime:
 297 // - call to stub, jump to runtime
 298 // - in runtime: preserve all registers (especially objects, i.e., source and destination object)
 299 // - in runtime: after initializing class, restore original code, reexecute instruction
 300 
 301 int PatchingStub::_patch_info_offset = -(5 * BytesPerInstWord);
 302 
 303 void PatchingStub::align_patch_site(MacroAssembler* ) {
 304   // Patch sites on ppc are always properly aligned.
 305 }
 306 
 307 #ifdef ASSERT
 308 inline void compare_with_patch_site(address template_start, address pc_start, int bytes_to_copy) {
 309   address start = template_start;
 310   for (int i = 0; i < bytes_to_copy; i++) {
 311     address ptr = (address)(pc_start + i);
 312     int a_byte = (*ptr) & 0xFF;
 313     assert(a_byte == *start++, "should be the same code");
 314   }
 315 }
 316 #endif
 317 
 318 void PatchingStub::emit_code(LIR_Assembler* ce) {
 319   // copy original code here
 320   assert(NativeGeneralJump::instruction_size <= _bytes_to_copy && _bytes_to_copy <= 0xFF,
 321          "not enough room for call");
 322   assert((_bytes_to_copy & 0x3) == 0, "must copy a multiple of four bytes");
 323 
 324   Label call_patch;
 325 
 326   int being_initialized_entry = __ offset();
 327 
 328   if (_id == load_klass_id) {
 329     // Produce a copy of the load klass instruction for use by the being initialized case.
 330     AddressLiteral addrlit((address)NULL, metadata_Relocation::spec(_index));
 331     __ load_const(_obj, addrlit, R0);
 332     DEBUG_ONLY( compare_with_patch_site(__ code_section()->start() + being_initialized_entry, _pc_start, _bytes_to_copy); )
 333   } else if (_id == load_mirror_id || _id == load_appendix_id) {
 334     // Produce a copy of the load mirror instruction for use by the being initialized case.
 335     AddressLiteral addrlit((address)NULL, oop_Relocation::spec(_index));
 336     __ load_const(_obj, addrlit, R0);
 337     DEBUG_ONLY( compare_with_patch_site(__ code_section()->start() + being_initialized_entry, _pc_start, _bytes_to_copy); )
 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     }
 345   }
 346 
 347   address end_of_patch = __ pc();
 348   int bytes_to_skip = 0;
 349   if (_id == load_mirror_id) {
 350     int offset = __ offset();
 351     __ block_comment(" being_initialized check");
 352 
 353     // Static field accesses have special semantics while the class
 354     // initializer is being run so we emit a test which can be used to
 355     // check that this code is being executed by the initializing
 356     // thread.
 357     assert(_obj != noreg, "must be a valid register");
 358     assert(_index >= 0, "must have oop index");
 359     __ mr(R0, _obj); // spill
 360     __ ld(_obj, java_lang_Class::klass_offset_in_bytes(), _obj);
 361     __ ld(_obj, in_bytes(InstanceKlass::init_thread_offset()), _obj);
 362     __ cmpd(CCR0, _obj, R16_thread);
 363     __ mr(_obj, R0); // restore
 364     __ bne(CCR0, call_patch);
 365 
 366     // Load_klass patches may execute the patched code before it's
 367     // copied back into place so we need to jump back into the main
 368     // code of the nmethod to continue execution.
 369     __ b(_patch_site_continuation);
 370 
 371     // Make sure this extra code gets skipped.
 372     bytes_to_skip += __ offset() - offset;
 373   }
 374 
 375   // Now emit the patch record telling the runtime how to find the
 376   // pieces of the patch.  We only need 3 bytes but it has to be
 377   // aligned as an instruction so emit 4 bytes.
 378   int sizeof_patch_record = 4;
 379   bytes_to_skip += sizeof_patch_record;
 380 
 381   // Emit the offsets needed to find the code to patch.
 382   int being_initialized_entry_offset = __ offset() - being_initialized_entry + sizeof_patch_record;
 383 
 384   // Emit the patch record.  We need to emit a full word, so emit an extra empty byte.
 385   __ emit_int8(0);
 386   __ emit_int8(being_initialized_entry_offset);
 387   __ emit_int8(bytes_to_skip);
 388   __ emit_int8(_bytes_to_copy);
 389   address patch_info_pc = __ pc();
 390   assert(patch_info_pc - end_of_patch == bytes_to_skip, "incorrect patch info");
 391 
 392   address entry = __ pc();
 393   NativeGeneralJump::insert_unconditional((address)_pc_start, entry);
 394   address target = NULL;
 395   relocInfo::relocType reloc_type = relocInfo::none;
 396   switch (_id) {
 397     case access_field_id:  target = Runtime1::entry_for(Runtime1::access_field_patching_id); break;
 398     case load_klass_id:    target = Runtime1::entry_for(Runtime1::load_klass_patching_id);
 399                            reloc_type = relocInfo::metadata_type; break;
 400     case load_mirror_id:   target = Runtime1::entry_for(Runtime1::load_mirror_patching_id);
 401                            reloc_type = relocInfo::oop_type; break;
 402     case load_appendix_id: target = Runtime1::entry_for(Runtime1::load_appendix_patching_id);
 403                            reloc_type = relocInfo::oop_type; break;
 404     default: ShouldNotReachHere();
 405   }
 406   __ bind(call_patch);
 407 
 408   __ block_comment("patch entry point");
 409   //__ load_const(R0, target); + mtctr + bctrl must have size -_patch_info_offset
 410   __ load_const32(R0, MacroAssembler::offset_to_global_toc(target));
 411   __ add(R0, R29_TOC, R0);
 412   __ mtctr(R0);
 413   __ bctrl();
 414   assert(_patch_info_offset == (patch_info_pc - __ pc()), "must not change");
 415   ce->add_call_info_here(_info);
 416   __ b(_patch_site_entry);
 417   if (_id == load_klass_id || _id == load_mirror_id || _id == load_appendix_id) {
 418     CodeSection* cs = __ code_section();
 419     address pc = (address)_pc_start;
 420     RelocIterator iter(cs, pc, pc + 1);
 421     relocInfo::change_reloc_info_for_address(&iter, (address) pc, reloc_type, relocInfo::none);
 422   }
 423 }
 424 
 425 
 426 void DeoptimizeStub::emit_code(LIR_Assembler* ce) {
 427   __ bind(_entry);
 428   address stub = Runtime1::entry_for(Runtime1::deoptimize_id);
 429   //__ load_const_optimized(R0, stub);
 430   __ add_const_optimized(R0, R29_TOC, MacroAssembler::offset_to_global_toc(stub));
 431   __ mtctr(R0);
 432 
 433   __ load_const_optimized(R0, _trap_request); // Pass trap request in R0.
 434   __ bctrl();
 435   ce->add_call_info_here(_info);
 436   debug_only(__ illtrap());
 437 }
 438 
 439 
 440 void ArrayCopyStub::emit_code(LIR_Assembler* ce) {
 441   //---------------slow case: call to native-----------------
 442   __ bind(_entry);
 443   __ mr(R3_ARG1, src()->as_register());
 444   __ extsw(R4_ARG2, src_pos()->as_register());
 445   __ mr(R5_ARG3, dst()->as_register());
 446   __ extsw(R6_ARG4, dst_pos()->as_register());
 447   __ extsw(R7_ARG5, length()->as_register());
 448 
 449   ce->emit_static_call_stub();
 450 
 451   bool success = ce->emit_trampoline_stub_for_call(SharedRuntime::get_resolve_static_call_stub());
 452   if (!success) { return; }
 453 
 454   __ relocate(relocInfo::static_call_type);
 455   // Note: At this point we do not have the address of the trampoline
 456   // stub, and the entry point might be too far away for bl, so __ pc()
 457   // serves as dummy and the bl will be patched later.
 458   __ code()->set_insts_mark();
 459   __ bl(__ pc());
 460   ce->add_call_info_here(info());
 461   ce->verify_oop_map(info());
 462 
 463 #ifndef PRODUCT
 464   const address counter = (address)&Runtime1::_arraycopy_slowcase_cnt;
 465   const Register tmp = R3, tmp2 = R4;
 466   int simm16_offs = __ load_const_optimized(tmp, counter, tmp2, true);
 467   __ lwz(tmp2, simm16_offs, tmp);
 468   __ addi(tmp2, tmp2, 1);
 469   __ stw(tmp2, simm16_offs, tmp);
 470 #endif
 471 
 472   __ b(_continuation);
 473 }
 474 
 475 
 476 ///////////////////////////////////////////////////////////////////////////////////
 477 #if INCLUDE_ALL_GCS
 478 
 479 void G1PreBarrierStub::emit_code(LIR_Assembler* ce) {
 480   // At this point we know that marking is in progress.
 481   // If do_load() is true then we have to emit the
 482   // load of the previous value; otherwise it has already
 483   // been loaded into _pre_val.
 484 
 485   __ bind(_entry);
 486 
 487   assert(pre_val()->is_register(), "Precondition.");
 488   Register pre_val_reg = pre_val()->as_register();
 489 
 490   if (do_load()) {
 491     ce->mem2reg(addr(), pre_val(), T_OBJECT, patch_code(), info(), false /*wide*/, false /*unaligned*/);
 492   }
 493 
 494   __ cmpdi(CCR0, pre_val_reg, 0);
 495   __ bc_far_optimized(Assembler::bcondCRbiIs1, __ bi0(CCR0, Assembler::equal), _continuation);
 496 
 497   address stub = Runtime1::entry_for(Runtime1::Runtime1::g1_pre_barrier_slow_id);
 498   //__ load_const_optimized(R0, stub);
 499   __ add_const_optimized(R0, R29_TOC, MacroAssembler::offset_to_global_toc(stub));
 500   __ std(pre_val_reg, -8, R1_SP); // Pass pre_val on stack.
 501   __ mtctr(R0);
 502   __ bctrl();
 503   __ b(_continuation);
 504 }
 505 
 506 void G1PostBarrierStub::emit_code(LIR_Assembler* ce) {
 507   __ bind(_entry);
 508 
 509   assert(addr()->is_register(), "Precondition.");
 510   assert(new_val()->is_register(), "Precondition.");
 511   Register addr_reg = addr()->as_pointer_register();
 512   Register new_val_reg = new_val()->as_register();
 513 
 514   __ cmpdi(CCR0, new_val_reg, 0);
 515   __ bc_far_optimized(Assembler::bcondCRbiIs1, __ bi0(CCR0, Assembler::equal), _continuation);
 516 
 517   address stub = Runtime1::entry_for(Runtime1::Runtime1::g1_post_barrier_slow_id);
 518   //__ load_const_optimized(R0, stub);
 519   __ add_const_optimized(R0, R29_TOC, MacroAssembler::offset_to_global_toc(stub));
 520   __ mtctr(R0);
 521   __ mr(R0, addr_reg); // Pass addr in R0.
 522   __ bctrl();
 523   __ b(_continuation);
 524 }
 525 
 526 #endif // INCLUDE_ALL_GCS
 527 ///////////////////////////////////////////////////////////////////////////////////
 528 
 529 #undef __
--- EOF ---