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Issue 1553703002: [runtime] TailCallRuntime and CallRuntime should use default argument counts (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@2015-12-29_TailCallRuntime_default_result_size_1_1550923002
Patch Set: Created 4 years, 11 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #if V8_TARGET_ARCH_ARM 5 #if V8_TARGET_ARCH_ARM
6 6
7 #include "src/codegen.h" 7 #include "src/codegen.h"
8 #include "src/debug/debug.h" 8 #include "src/debug/debug.h"
9 #include "src/deoptimizer.h" 9 #include "src/deoptimizer.h"
10 #include "src/full-codegen/full-codegen.h" 10 #include "src/full-codegen/full-codegen.h"
(...skipping 168 matching lines...) Expand 10 before | Expand all | Expand 10 after
179 __ bind(&to_string); 179 __ bind(&to_string);
180 { 180 {
181 ToStringStub stub(masm->isolate()); 181 ToStringStub stub(masm->isolate());
182 __ TailCallStub(&stub); 182 __ TailCallStub(&stub);
183 } 183 }
184 184
185 // 3b. Convert symbol in r0 to a string. 185 // 3b. Convert symbol in r0 to a string.
186 __ bind(&symbol_descriptive_string); 186 __ bind(&symbol_descriptive_string);
187 { 187 {
188 __ Push(r0); 188 __ Push(r0);
189 __ TailCallRuntime(Runtime::kSymbolDescriptiveString, 1); 189 __ TailCallRuntime(Runtime::kSymbolDescriptiveString);
190 } 190 }
191 } 191 }
192 192
193 193
194 // static 194 // static
195 void Builtins::Generate_StringConstructor_ConstructStub(MacroAssembler* masm) { 195 void Builtins::Generate_StringConstructor_ConstructStub(MacroAssembler* masm) {
196 // ----------- S t a t e ------------- 196 // ----------- S t a t e -------------
197 // -- r0 : number of arguments 197 // -- r0 : number of arguments
198 // -- r1 : constructor function 198 // -- r1 : constructor function
199 // -- r3 : new target 199 // -- r3 : new target
(...skipping 60 matching lines...) Expand 10 before | Expand all | Expand 10 after
260 __ str(r2, FieldMemOperand(r0, JSValue::kValueOffset)); 260 __ str(r2, FieldMemOperand(r0, JSValue::kValueOffset));
261 STATIC_ASSERT(JSValue::kSize == 4 * kPointerSize); 261 STATIC_ASSERT(JSValue::kSize == 4 * kPointerSize);
262 __ Ret(); 262 __ Ret();
263 } 263 }
264 264
265 // 5. Fallback to the runtime to create new object. 265 // 5. Fallback to the runtime to create new object.
266 __ bind(&new_object); 266 __ bind(&new_object);
267 { 267 {
268 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); 268 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
269 __ Push(r2, r1, r3); // first argument, constructor, new target 269 __ Push(r2, r1, r3); // first argument, constructor, new target
270 __ CallRuntime(Runtime::kNewObject, 2); 270 __ CallRuntime(Runtime::kNewObject);
271 __ Pop(r2); 271 __ Pop(r2);
272 } 272 }
273 __ str(r2, FieldMemOperand(r0, JSValue::kValueOffset)); 273 __ str(r2, FieldMemOperand(r0, JSValue::kValueOffset));
274 __ Ret(); 274 __ Ret();
275 } 275 }
276 276
277 277
278 static void CallRuntimePassFunction( 278 static void CallRuntimePassFunction(
279 MacroAssembler* masm, Runtime::FunctionId function_id) { 279 MacroAssembler* masm, Runtime::FunctionId function_id) {
280 // ----------- S t a t e ------------- 280 // ----------- S t a t e -------------
(...skipping 171 matching lines...) Expand 10 before | Expand all | Expand 10 after
452 __ LoadRoot(r6, Heap::kOnePointerFillerMapRootIndex); 452 __ LoadRoot(r6, Heap::kOnePointerFillerMapRootIndex);
453 __ InitializeFieldsWithFiller(r5, r9, r6); 453 __ InitializeFieldsWithFiller(r5, r9, r6);
454 454
455 __ pop(r0); // Restore allocation count value before decreasing. 455 __ pop(r0); // Restore allocation count value before decreasing.
456 __ cmp(r0, Operand(Map::kSlackTrackingCounterEnd)); 456 __ cmp(r0, Operand(Map::kSlackTrackingCounterEnd));
457 __ b(ne, &allocated); 457 __ b(ne, &allocated);
458 458
459 // Push the constructor, new_target and the object to the stack, 459 // Push the constructor, new_target and the object to the stack,
460 // and then the initial map as an argument to the runtime call. 460 // and then the initial map as an argument to the runtime call.
461 __ Push(r1, r3, r4, r2); 461 __ Push(r1, r3, r4, r2);
462 __ CallRuntime(Runtime::kFinalizeInstanceSize, 1); 462 __ CallRuntime(Runtime::kFinalizeInstanceSize);
463 __ Pop(r1, r3, r4); 463 __ Pop(r1, r3, r4);
464 464
465 // Continue with JSObject being successfully allocated 465 // Continue with JSObject being successfully allocated
466 // r1: constructor function 466 // r1: constructor function
467 // r3: new target 467 // r3: new target
468 // r4: JSObject 468 // r4: JSObject
469 __ jmp(&allocated); 469 __ jmp(&allocated);
470 470
471 __ bind(&no_inobject_slack_tracking); 471 __ bind(&no_inobject_slack_tracking);
472 } 472 }
473 473
474 __ InitializeFieldsWithFiller(r5, r9, r6); 474 __ InitializeFieldsWithFiller(r5, r9, r6);
475 475
476 // Continue with JSObject being successfully allocated 476 // Continue with JSObject being successfully allocated
477 // r1: constructor function 477 // r1: constructor function
478 // r3: new target 478 // r3: new target
479 // r4: JSObject 479 // r4: JSObject
480 __ jmp(&allocated); 480 __ jmp(&allocated);
481 } 481 }
482 482
483 // Allocate the new receiver object using the runtime call. 483 // Allocate the new receiver object using the runtime call.
484 // r1: constructor function 484 // r1: constructor function
485 // r3: new target 485 // r3: new target
486 __ bind(&rt_call); 486 __ bind(&rt_call);
487 487
488 // Push the constructor and new_target twice, second pair as arguments 488 // Push the constructor and new_target twice, second pair as arguments
489 // to the runtime call. 489 // to the runtime call.
490 __ Push(r1, r3); 490 __ Push(r1, r3);
491 __ Push(r1, r3); // constructor function, new target 491 __ Push(r1, r3); // constructor function, new target
492 __ CallRuntime(Runtime::kNewObject, 2); 492 __ CallRuntime(Runtime::kNewObject);
493 __ mov(r4, r0); 493 __ mov(r4, r0);
494 __ Pop(r1, r3); 494 __ Pop(r1, r3);
495 495
496 // Receiver for constructor call allocated. 496 // Receiver for constructor call allocated.
497 // r1: constructor function 497 // r1: constructor function
498 // r3: new target 498 // r3: new target
499 // r4: JSObject 499 // r4: JSObject
500 __ bind(&allocated); 500 __ bind(&allocated);
501 501
502 // Retrieve smi-tagged arguments count from the stack. 502 // Retrieve smi-tagged arguments count from the stack.
(...skipping 116 matching lines...) Expand 10 before | Expand all | Expand 10 after
619 619
620 620
621 void Builtins::Generate_JSBuiltinsConstructStub(MacroAssembler* masm) { 621 void Builtins::Generate_JSBuiltinsConstructStub(MacroAssembler* masm) {
622 Generate_JSConstructStubHelper(masm, false, false); 622 Generate_JSConstructStubHelper(masm, false, false);
623 } 623 }
624 624
625 625
626 void Builtins::Generate_ConstructedNonConstructable(MacroAssembler* masm) { 626 void Builtins::Generate_ConstructedNonConstructable(MacroAssembler* masm) {
627 FrameScope scope(masm, StackFrame::INTERNAL); 627 FrameScope scope(masm, StackFrame::INTERNAL);
628 __ push(r1); 628 __ push(r1);
629 __ CallRuntime(Runtime::kThrowConstructedNonConstructable, 1); 629 __ CallRuntime(Runtime::kThrowConstructedNonConstructable);
630 } 630 }
631 631
632 632
633 enum IsTagged { kArgcIsSmiTagged, kArgcIsUntaggedInt }; 633 enum IsTagged { kArgcIsSmiTagged, kArgcIsUntaggedInt };
634 634
635 635
636 // Clobbers r2; preserves all other registers. 636 // Clobbers r2; preserves all other registers.
637 static void Generate_CheckStackOverflow(MacroAssembler* masm, Register argc, 637 static void Generate_CheckStackOverflow(MacroAssembler* masm, Register argc,
638 IsTagged argc_is_tagged) { 638 IsTagged argc_is_tagged) {
639 // Check the stack for overflow. We are not trying to catch 639 // Check the stack for overflow. We are not trying to catch
640 // interruptions (e.g. debug break and preemption) here, so the "real stack 640 // interruptions (e.g. debug break and preemption) here, so the "real stack
641 // limit" is checked. 641 // limit" is checked.
642 Label okay; 642 Label okay;
643 __ LoadRoot(r2, Heap::kRealStackLimitRootIndex); 643 __ LoadRoot(r2, Heap::kRealStackLimitRootIndex);
644 // Make r2 the space we have left. The stack might already be overflowed 644 // Make r2 the space we have left. The stack might already be overflowed
645 // here which will cause r2 to become negative. 645 // here which will cause r2 to become negative.
646 __ sub(r2, sp, r2); 646 __ sub(r2, sp, r2);
647 // Check if the arguments will overflow the stack. 647 // Check if the arguments will overflow the stack.
648 if (argc_is_tagged == kArgcIsSmiTagged) { 648 if (argc_is_tagged == kArgcIsSmiTagged) {
649 __ cmp(r2, Operand::PointerOffsetFromSmiKey(argc)); 649 __ cmp(r2, Operand::PointerOffsetFromSmiKey(argc));
650 } else { 650 } else {
651 DCHECK(argc_is_tagged == kArgcIsUntaggedInt); 651 DCHECK(argc_is_tagged == kArgcIsUntaggedInt);
652 __ cmp(r2, Operand(argc, LSL, kPointerSizeLog2)); 652 __ cmp(r2, Operand(argc, LSL, kPointerSizeLog2));
653 } 653 }
654 __ b(gt, &okay); // Signed comparison. 654 __ b(gt, &okay); // Signed comparison.
655 655
656 // Out of stack space. 656 // Out of stack space.
657 __ CallRuntime(Runtime::kThrowStackOverflow, 0); 657 __ CallRuntime(Runtime::kThrowStackOverflow);
658 658
659 __ bind(&okay); 659 __ bind(&okay);
660 } 660 }
661 661
662 662
663 static void Generate_JSEntryTrampolineHelper(MacroAssembler* masm, 663 static void Generate_JSEntryTrampolineHelper(MacroAssembler* masm,
664 bool is_construct) { 664 bool is_construct) {
665 // Called from Generate_JS_Entry 665 // Called from Generate_JS_Entry
666 // r0: new.target 666 // r0: new.target
667 // r1: function 667 // r1: function
(...skipping 137 matching lines...) Expand 10 before | Expand all | Expand 10 after
805 // Load frame size from the BytecodeArray object. 805 // Load frame size from the BytecodeArray object.
806 __ ldr(r4, FieldMemOperand(kInterpreterBytecodeArrayRegister, 806 __ ldr(r4, FieldMemOperand(kInterpreterBytecodeArrayRegister,
807 BytecodeArray::kFrameSizeOffset)); 807 BytecodeArray::kFrameSizeOffset));
808 808
809 // Do a stack check to ensure we don't go over the limit. 809 // Do a stack check to ensure we don't go over the limit.
810 Label ok; 810 Label ok;
811 __ sub(r9, sp, Operand(r4)); 811 __ sub(r9, sp, Operand(r4));
812 __ LoadRoot(r2, Heap::kRealStackLimitRootIndex); 812 __ LoadRoot(r2, Heap::kRealStackLimitRootIndex);
813 __ cmp(r9, Operand(r2)); 813 __ cmp(r9, Operand(r2));
814 __ b(hs, &ok); 814 __ b(hs, &ok);
815 __ CallRuntime(Runtime::kThrowStackOverflow, 0); 815 __ CallRuntime(Runtime::kThrowStackOverflow);
816 __ bind(&ok); 816 __ bind(&ok);
817 817
818 // If ok, push undefined as the initial value for all register file entries. 818 // If ok, push undefined as the initial value for all register file entries.
819 Label loop_header; 819 Label loop_header;
820 Label loop_check; 820 Label loop_check;
821 __ LoadRoot(r9, Heap::kUndefinedValueRootIndex); 821 __ LoadRoot(r9, Heap::kUndefinedValueRootIndex);
822 __ b(&loop_check, al); 822 __ b(&loop_check, al);
823 __ bind(&loop_header); 823 __ bind(&loop_header);
824 // TODO(rmcilroy): Consider doing more than one push per loop iteration. 824 // TODO(rmcilroy): Consider doing more than one push per loop iteration.
825 __ push(r9); 825 __ push(r9);
(...skipping 10 matching lines...) Expand all
836 // - Allow simulator stop operations if FLAG_stop_at is set. 836 // - Allow simulator stop operations if FLAG_stop_at is set.
837 // - Code aging of the BytecodeArray object. 837 // - Code aging of the BytecodeArray object.
838 838
839 // Perform stack guard check. 839 // Perform stack guard check.
840 { 840 {
841 Label ok; 841 Label ok;
842 __ LoadRoot(ip, Heap::kStackLimitRootIndex); 842 __ LoadRoot(ip, Heap::kStackLimitRootIndex);
843 __ cmp(sp, Operand(ip)); 843 __ cmp(sp, Operand(ip));
844 __ b(hs, &ok); 844 __ b(hs, &ok);
845 __ push(kInterpreterBytecodeArrayRegister); 845 __ push(kInterpreterBytecodeArrayRegister);
846 __ CallRuntime(Runtime::kStackGuard, 0); 846 __ CallRuntime(Runtime::kStackGuard);
847 __ pop(kInterpreterBytecodeArrayRegister); 847 __ pop(kInterpreterBytecodeArrayRegister);
848 __ bind(&ok); 848 __ bind(&ok);
849 } 849 }
850 850
851 // Load accumulator, register file, bytecode offset, dispatch table into 851 // Load accumulator, register file, bytecode offset, dispatch table into
852 // registers. 852 // registers.
853 __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex); 853 __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex);
854 __ add(kInterpreterRegisterFileRegister, fp, 854 __ add(kInterpreterRegisterFileRegister, fp,
855 Operand(InterpreterFrameConstants::kRegisterFilePointerFromFp)); 855 Operand(InterpreterFrameConstants::kRegisterFilePointerFromFp));
856 __ mov(kInterpreterBytecodeOffsetRegister, 856 __ mov(kInterpreterBytecodeOffsetRegister,
(...skipping 98 matching lines...) Expand 10 before | Expand all | Expand 10 after
955 static void Generate_InterpreterNotifyDeoptimizedHelper( 955 static void Generate_InterpreterNotifyDeoptimizedHelper(
956 MacroAssembler* masm, Deoptimizer::BailoutType type) { 956 MacroAssembler* masm, Deoptimizer::BailoutType type) {
957 // Enter an internal frame. 957 // Enter an internal frame.
958 { 958 {
959 FrameScope scope(masm, StackFrame::INTERNAL); 959 FrameScope scope(masm, StackFrame::INTERNAL);
960 __ push(kInterpreterAccumulatorRegister); // Save accumulator register. 960 __ push(kInterpreterAccumulatorRegister); // Save accumulator register.
961 961
962 // Pass the deoptimization type to the runtime system. 962 // Pass the deoptimization type to the runtime system.
963 __ mov(r1, Operand(Smi::FromInt(static_cast<int>(type)))); 963 __ mov(r1, Operand(Smi::FromInt(static_cast<int>(type))));
964 __ push(r1); 964 __ push(r1);
965 __ CallRuntime(Runtime::kNotifyDeoptimized, 1); 965 __ CallRuntime(Runtime::kNotifyDeoptimized);
966 966
967 __ pop(kInterpreterAccumulatorRegister); // Restore accumulator register. 967 __ pop(kInterpreterAccumulatorRegister); // Restore accumulator register.
968 // Tear down internal frame. 968 // Tear down internal frame.
969 } 969 }
970 970
971 // Drop state (we don't use these for interpreter deopts) and push PC at top 971 // Drop state (we don't use these for interpreter deopts) and push PC at top
972 // of stack (to simulate initial call to bytecode handler in interpreter entry 972 // of stack (to simulate initial call to bytecode handler in interpreter entry
973 // trampoline). 973 // trampoline).
974 __ pop(r1); 974 __ pop(r1);
975 __ Drop(1); 975 __ Drop(1);
(...skipping 158 matching lines...) Expand 10 before | Expand all | Expand 10 after
1134 static void Generate_NotifyStubFailureHelper(MacroAssembler* masm, 1134 static void Generate_NotifyStubFailureHelper(MacroAssembler* masm,
1135 SaveFPRegsMode save_doubles) { 1135 SaveFPRegsMode save_doubles) {
1136 { 1136 {
1137 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); 1137 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
1138 1138
1139 // Preserve registers across notification, this is important for compiled 1139 // Preserve registers across notification, this is important for compiled
1140 // stubs that tail call the runtime on deopts passing their parameters in 1140 // stubs that tail call the runtime on deopts passing their parameters in
1141 // registers. 1141 // registers.
1142 __ stm(db_w, sp, kJSCallerSaved | kCalleeSaved); 1142 __ stm(db_w, sp, kJSCallerSaved | kCalleeSaved);
1143 // Pass the function and deoptimization type to the runtime system. 1143 // Pass the function and deoptimization type to the runtime system.
1144 __ CallRuntime(Runtime::kNotifyStubFailure, 0, save_doubles); 1144 __ CallRuntime(Runtime::kNotifyStubFailure, save_doubles);
1145 __ ldm(ia_w, sp, kJSCallerSaved | kCalleeSaved); 1145 __ ldm(ia_w, sp, kJSCallerSaved | kCalleeSaved);
1146 } 1146 }
1147 1147
1148 __ add(sp, sp, Operand(kPointerSize)); // Ignore state 1148 __ add(sp, sp, Operand(kPointerSize)); // Ignore state
1149 __ mov(pc, lr); // Jump to miss handler 1149 __ mov(pc, lr); // Jump to miss handler
1150 } 1150 }
1151 1151
1152 1152
1153 void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) { 1153 void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) {
1154 Generate_NotifyStubFailureHelper(masm, kDontSaveFPRegs); 1154 Generate_NotifyStubFailureHelper(masm, kDontSaveFPRegs);
1155 } 1155 }
1156 1156
1157 1157
1158 void Builtins::Generate_NotifyStubFailureSaveDoubles(MacroAssembler* masm) { 1158 void Builtins::Generate_NotifyStubFailureSaveDoubles(MacroAssembler* masm) {
1159 Generate_NotifyStubFailureHelper(masm, kSaveFPRegs); 1159 Generate_NotifyStubFailureHelper(masm, kSaveFPRegs);
1160 } 1160 }
1161 1161
1162 1162
1163 static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm, 1163 static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm,
1164 Deoptimizer::BailoutType type) { 1164 Deoptimizer::BailoutType type) {
1165 { 1165 {
1166 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); 1166 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
1167 // Pass the function and deoptimization type to the runtime system. 1167 // Pass the function and deoptimization type to the runtime system.
1168 __ mov(r0, Operand(Smi::FromInt(static_cast<int>(type)))); 1168 __ mov(r0, Operand(Smi::FromInt(static_cast<int>(type))));
1169 __ push(r0); 1169 __ push(r0);
1170 __ CallRuntime(Runtime::kNotifyDeoptimized, 1); 1170 __ CallRuntime(Runtime::kNotifyDeoptimized);
1171 } 1171 }
1172 1172
1173 // Get the full codegen state from the stack and untag it -> r6. 1173 // Get the full codegen state from the stack and untag it -> r6.
1174 __ ldr(r6, MemOperand(sp, 0 * kPointerSize)); 1174 __ ldr(r6, MemOperand(sp, 0 * kPointerSize));
1175 __ SmiUntag(r6); 1175 __ SmiUntag(r6);
1176 // Switch on the state. 1176 // Switch on the state.
1177 Label with_tos_register, unknown_state; 1177 Label with_tos_register, unknown_state;
1178 __ cmp(r6, Operand(FullCodeGenerator::NO_REGISTERS)); 1178 __ cmp(r6, Operand(FullCodeGenerator::NO_REGISTERS));
1179 __ b(ne, &with_tos_register); 1179 __ b(ne, &with_tos_register);
1180 __ add(sp, sp, Operand(1 * kPointerSize)); // Remove state. 1180 __ add(sp, sp, Operand(1 * kPointerSize)); // Remove state.
(...skipping 134 matching lines...) Expand 10 before | Expand all | Expand 10 after
1315 __ bind(&set_global_proxy); 1315 __ bind(&set_global_proxy);
1316 __ LoadGlobalProxy(r2); 1316 __ LoadGlobalProxy(r2);
1317 __ str(r2, MemOperand(sp, r0, LSL, kPointerSizeLog2)); 1317 __ str(r2, MemOperand(sp, r0, LSL, kPointerSizeLog2));
1318 __ b(&valid_receiver); 1318 __ b(&valid_receiver);
1319 1319
1320 // Compatible receiver check failed: throw an Illegal Invocation exception. 1320 // Compatible receiver check failed: throw an Illegal Invocation exception.
1321 __ bind(&receiver_check_failed); 1321 __ bind(&receiver_check_failed);
1322 // Drop the arguments (including the receiver) 1322 // Drop the arguments (including the receiver)
1323 __ add(r0, r0, Operand(1)); 1323 __ add(r0, r0, Operand(1));
1324 __ add(sp, sp, Operand(r0, LSL, kPointerSizeLog2)); 1324 __ add(sp, sp, Operand(r0, LSL, kPointerSizeLog2));
1325 __ TailCallRuntime(Runtime::kThrowIllegalInvocation, 0); 1325 __ TailCallRuntime(Runtime::kThrowIllegalInvocation);
1326 } 1326 }
1327 1327
1328 1328
1329 void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) { 1329 void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
1330 // Lookup the function in the JavaScript frame. 1330 // Lookup the function in the JavaScript frame.
1331 __ ldr(r0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); 1331 __ ldr(r0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
1332 { 1332 {
1333 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); 1333 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
1334 // Pass function as argument. 1334 // Pass function as argument.
1335 __ push(r0); 1335 __ push(r0);
1336 __ CallRuntime(Runtime::kCompileForOnStackReplacement, 1); 1336 __ CallRuntime(Runtime::kCompileForOnStackReplacement);
1337 } 1337 }
1338 1338
1339 // If the code object is null, just return to the unoptimized code. 1339 // If the code object is null, just return to the unoptimized code.
1340 Label skip; 1340 Label skip;
1341 __ cmp(r0, Operand(Smi::FromInt(0))); 1341 __ cmp(r0, Operand(Smi::FromInt(0)));
1342 __ b(ne, &skip); 1342 __ b(ne, &skip);
1343 __ Ret(); 1343 __ Ret();
1344 1344
1345 __ bind(&skip); 1345 __ bind(&skip);
1346 1346
(...skipping 23 matching lines...) Expand all
1370 1370
1371 1371
1372 void Builtins::Generate_OsrAfterStackCheck(MacroAssembler* masm) { 1372 void Builtins::Generate_OsrAfterStackCheck(MacroAssembler* masm) {
1373 // We check the stack limit as indicator that recompilation might be done. 1373 // We check the stack limit as indicator that recompilation might be done.
1374 Label ok; 1374 Label ok;
1375 __ LoadRoot(ip, Heap::kStackLimitRootIndex); 1375 __ LoadRoot(ip, Heap::kStackLimitRootIndex);
1376 __ cmp(sp, Operand(ip)); 1376 __ cmp(sp, Operand(ip));
1377 __ b(hs, &ok); 1377 __ b(hs, &ok);
1378 { 1378 {
1379 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); 1379 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
1380 __ CallRuntime(Runtime::kStackGuard, 0); 1380 __ CallRuntime(Runtime::kStackGuard);
1381 } 1381 }
1382 __ Jump(masm->isolate()->builtins()->OnStackReplacement(), 1382 __ Jump(masm->isolate()->builtins()->OnStackReplacement(),
1383 RelocInfo::CODE_TARGET); 1383 RelocInfo::CODE_TARGET);
1384 1384
1385 __ bind(&ok); 1385 __ bind(&ok);
1386 __ Ret(); 1386 __ Ret();
1387 } 1387 }
1388 1388
1389 1389
1390 // static 1390 // static
(...skipping 50 matching lines...) Expand 10 before | Expand all | Expand 10 after
1441 __ bind(&no_arguments); 1441 __ bind(&no_arguments);
1442 { 1442 {
1443 __ mov(r0, Operand(0)); 1443 __ mov(r0, Operand(0));
1444 __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET); 1444 __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
1445 } 1445 }
1446 1446
1447 // 4c. The receiver is not callable, throw an appropriate TypeError. 1447 // 4c. The receiver is not callable, throw an appropriate TypeError.
1448 __ bind(&receiver_not_callable); 1448 __ bind(&receiver_not_callable);
1449 { 1449 {
1450 __ str(r1, MemOperand(sp, 0)); 1450 __ str(r1, MemOperand(sp, 0));
1451 __ TailCallRuntime(Runtime::kThrowApplyNonFunction, 1); 1451 __ TailCallRuntime(Runtime::kThrowApplyNonFunction);
1452 } 1452 }
1453 } 1453 }
1454 1454
1455 1455
1456 // static 1456 // static
1457 void Builtins::Generate_FunctionPrototypeCall(MacroAssembler* masm) { 1457 void Builtins::Generate_FunctionPrototypeCall(MacroAssembler* masm) {
1458 // 1. Make sure we have at least one argument. 1458 // 1. Make sure we have at least one argument.
1459 // r0: actual number of arguments 1459 // r0: actual number of arguments
1460 { 1460 {
1461 Label done; 1461 Label done;
(...skipping 78 matching lines...) Expand 10 before | Expand all | Expand 10 after
1540 1540
1541 // 3a. Apply the target to the given argumentsList (passing undefined for 1541 // 3a. Apply the target to the given argumentsList (passing undefined for
1542 // new.target). 1542 // new.target).
1543 __ LoadRoot(r3, Heap::kUndefinedValueRootIndex); 1543 __ LoadRoot(r3, Heap::kUndefinedValueRootIndex);
1544 __ Jump(masm->isolate()->builtins()->Apply(), RelocInfo::CODE_TARGET); 1544 __ Jump(masm->isolate()->builtins()->Apply(), RelocInfo::CODE_TARGET);
1545 1545
1546 // 3b. The target is not callable, throw an appropriate TypeError. 1546 // 3b. The target is not callable, throw an appropriate TypeError.
1547 __ bind(&target_not_callable); 1547 __ bind(&target_not_callable);
1548 { 1548 {
1549 __ str(r1, MemOperand(sp, 0)); 1549 __ str(r1, MemOperand(sp, 0));
1550 __ TailCallRuntime(Runtime::kThrowApplyNonFunction, 1); 1550 __ TailCallRuntime(Runtime::kThrowApplyNonFunction);
1551 } 1551 }
1552 } 1552 }
1553 1553
1554 1554
1555 void Builtins::Generate_ReflectConstruct(MacroAssembler* masm) { 1555 void Builtins::Generate_ReflectConstruct(MacroAssembler* masm) {
1556 // ----------- S t a t e ------------- 1556 // ----------- S t a t e -------------
1557 // -- r0 : argc 1557 // -- r0 : argc
1558 // -- sp[0] : new.target (optional) 1558 // -- sp[0] : new.target (optional)
1559 // -- sp[4] : argumentsList 1559 // -- sp[4] : argumentsList
1560 // -- sp[8] : target 1560 // -- sp[8] : target
(...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after
1603 __ tst(r4, Operand(1 << Map::kIsConstructor)); 1603 __ tst(r4, Operand(1 << Map::kIsConstructor));
1604 __ b(eq, &new_target_not_constructor); 1604 __ b(eq, &new_target_not_constructor);
1605 1605
1606 // 4a. Construct the target with the given new.target and argumentsList. 1606 // 4a. Construct the target with the given new.target and argumentsList.
1607 __ Jump(masm->isolate()->builtins()->Apply(), RelocInfo::CODE_TARGET); 1607 __ Jump(masm->isolate()->builtins()->Apply(), RelocInfo::CODE_TARGET);
1608 1608
1609 // 4b. The target is not a constructor, throw an appropriate TypeError. 1609 // 4b. The target is not a constructor, throw an appropriate TypeError.
1610 __ bind(&target_not_constructor); 1610 __ bind(&target_not_constructor);
1611 { 1611 {
1612 __ str(r1, MemOperand(sp, 0)); 1612 __ str(r1, MemOperand(sp, 0));
1613 __ TailCallRuntime(Runtime::kThrowCalledNonCallable, 1); 1613 __ TailCallRuntime(Runtime::kThrowCalledNonCallable);
1614 } 1614 }
1615 1615
1616 // 4c. The new.target is not a constructor, throw an appropriate TypeError. 1616 // 4c. The new.target is not a constructor, throw an appropriate TypeError.
1617 __ bind(&new_target_not_constructor); 1617 __ bind(&new_target_not_constructor);
1618 { 1618 {
1619 __ str(r3, MemOperand(sp, 0)); 1619 __ str(r3, MemOperand(sp, 0));
1620 __ TailCallRuntime(Runtime::kThrowCalledNonCallable, 1); 1620 __ TailCallRuntime(Runtime::kThrowCalledNonCallable);
1621 } 1621 }
1622 } 1622 }
1623 1623
1624 1624
1625 static void ArgumentAdaptorStackCheck(MacroAssembler* masm, 1625 static void ArgumentAdaptorStackCheck(MacroAssembler* masm,
1626 Label* stack_overflow) { 1626 Label* stack_overflow) {
1627 // ----------- S t a t e ------------- 1627 // ----------- S t a t e -------------
1628 // -- r0 : actual number of arguments 1628 // -- r0 : actual number of arguments
1629 // -- r1 : function (passed through to callee) 1629 // -- r1 : function (passed through to callee)
1630 // -- r2 : expected number of arguments 1630 // -- r2 : expected number of arguments
(...skipping 68 matching lines...) Expand 10 before | Expand all | Expand 10 after
1699 1699
1700 // Check if argumentsList is a fast JSArray. 1700 // Check if argumentsList is a fast JSArray.
1701 __ CompareInstanceType(r2, ip, JS_ARRAY_TYPE); 1701 __ CompareInstanceType(r2, ip, JS_ARRAY_TYPE);
1702 __ b(eq, &create_array); 1702 __ b(eq, &create_array);
1703 1703
1704 // Ask the runtime to create the list (actually a FixedArray). 1704 // Ask the runtime to create the list (actually a FixedArray).
1705 __ bind(&create_runtime); 1705 __ bind(&create_runtime);
1706 { 1706 {
1707 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); 1707 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
1708 __ Push(r1, r3, r0); 1708 __ Push(r1, r3, r0);
1709 __ CallRuntime(Runtime::kCreateListFromArrayLike, 1); 1709 __ CallRuntime(Runtime::kCreateListFromArrayLike);
1710 __ Pop(r1, r3); 1710 __ Pop(r1, r3);
1711 __ ldr(r2, FieldMemOperand(r0, FixedArray::kLengthOffset)); 1711 __ ldr(r2, FieldMemOperand(r0, FixedArray::kLengthOffset));
1712 __ SmiUntag(r2); 1712 __ SmiUntag(r2);
1713 } 1713 }
1714 __ jmp(&done_create); 1714 __ jmp(&done_create);
1715 1715
1716 // Try to create the list from an arguments object. 1716 // Try to create the list from an arguments object.
1717 __ bind(&create_arguments); 1717 __ bind(&create_arguments);
1718 __ ldr(r2, 1718 __ ldr(r2,
1719 FieldMemOperand(r0, JSObject::kHeaderSize + 1719 FieldMemOperand(r0, JSObject::kHeaderSize +
(...skipping 29 matching lines...) Expand all
1749 // Check the stack for overflow. We are not trying to catch interruptions 1749 // Check the stack for overflow. We are not trying to catch interruptions
1750 // (i.e. debug break and preemption) here, so check the "real stack limit". 1750 // (i.e. debug break and preemption) here, so check the "real stack limit".
1751 Label done; 1751 Label done;
1752 __ LoadRoot(ip, Heap::kRealStackLimitRootIndex); 1752 __ LoadRoot(ip, Heap::kRealStackLimitRootIndex);
1753 // Make ip the space we have left. The stack might already be overflowed 1753 // Make ip the space we have left. The stack might already be overflowed
1754 // here which will cause ip to become negative. 1754 // here which will cause ip to become negative.
1755 __ sub(ip, sp, ip); 1755 __ sub(ip, sp, ip);
1756 // Check if the arguments will overflow the stack. 1756 // Check if the arguments will overflow the stack.
1757 __ cmp(ip, Operand(r2, LSL, kPointerSizeLog2)); 1757 __ cmp(ip, Operand(r2, LSL, kPointerSizeLog2));
1758 __ b(gt, &done); // Signed comparison. 1758 __ b(gt, &done); // Signed comparison.
1759 __ TailCallRuntime(Runtime::kThrowStackOverflow, 1); 1759 __ TailCallRuntime(Runtime::kThrowStackOverflow);
1760 __ bind(&done); 1760 __ bind(&done);
1761 } 1761 }
1762 1762
1763 // ----------- S t a t e ------------- 1763 // ----------- S t a t e -------------
1764 // -- r1 : target 1764 // -- r1 : target
1765 // -- r0 : args (a FixedArray built from argumentsList) 1765 // -- r0 : args (a FixedArray built from argumentsList)
1766 // -- r2 : len (number of elements to push from args) 1766 // -- r2 : len (number of elements to push from args)
1767 // -- r3 : new.target (checked to be constructor or undefined) 1767 // -- r3 : new.target (checked to be constructor or undefined)
1768 // -- sp[0] : thisArgument 1768 // -- sp[0] : thisArgument
1769 // ----------------------------------- 1769 // -----------------------------------
(...skipping 117 matching lines...) Expand 10 before | Expand all | Expand 10 after
1887 ParameterCount actual(r0); 1887 ParameterCount actual(r0);
1888 ParameterCount expected(r2); 1888 ParameterCount expected(r2);
1889 __ InvokeFunctionCode(r1, no_reg, expected, actual, JUMP_FUNCTION, 1889 __ InvokeFunctionCode(r1, no_reg, expected, actual, JUMP_FUNCTION,
1890 CheckDebugStepCallWrapper()); 1890 CheckDebugStepCallWrapper());
1891 1891
1892 // The function is a "classConstructor", need to raise an exception. 1892 // The function is a "classConstructor", need to raise an exception.
1893 __ bind(&class_constructor); 1893 __ bind(&class_constructor);
1894 { 1894 {
1895 FrameScope frame(masm, StackFrame::INTERNAL); 1895 FrameScope frame(masm, StackFrame::INTERNAL);
1896 __ push(r1); 1896 __ push(r1);
1897 __ CallRuntime(Runtime::kThrowConstructorNonCallableError, 1); 1897 __ CallRuntime(Runtime::kThrowConstructorNonCallableError);
1898 } 1898 }
1899 } 1899 }
1900 1900
1901 1901
1902 namespace { 1902 namespace {
1903 1903
1904 void Generate_PushBoundArguments(MacroAssembler* masm) { 1904 void Generate_PushBoundArguments(MacroAssembler* masm) {
1905 // ----------- S t a t e ------------- 1905 // ----------- S t a t e -------------
1906 // -- r0 : the number of arguments (not including the receiver) 1906 // -- r0 : the number of arguments (not including the receiver)
1907 // -- r1 : target (checked to be a JSBoundFunction) 1907 // -- r1 : target (checked to be a JSBoundFunction)
(...skipping 23 matching lines...) Expand all
1931 // Check the stack for overflow. We are not trying to catch interruptions 1931 // Check the stack for overflow. We are not trying to catch interruptions
1932 // (i.e. debug break and preemption) here, so check the "real stack 1932 // (i.e. debug break and preemption) here, so check the "real stack
1933 // limit". 1933 // limit".
1934 __ CompareRoot(sp, Heap::kRealStackLimitRootIndex); 1934 __ CompareRoot(sp, Heap::kRealStackLimitRootIndex);
1935 __ b(gt, &done); // Signed comparison. 1935 __ b(gt, &done); // Signed comparison.
1936 // Restore the stack pointer. 1936 // Restore the stack pointer.
1937 __ add(sp, sp, Operand(r4, LSL, kPointerSizeLog2)); 1937 __ add(sp, sp, Operand(r4, LSL, kPointerSizeLog2));
1938 { 1938 {
1939 FrameScope scope(masm, StackFrame::MANUAL); 1939 FrameScope scope(masm, StackFrame::MANUAL);
1940 __ EnterFrame(StackFrame::INTERNAL); 1940 __ EnterFrame(StackFrame::INTERNAL);
1941 __ CallRuntime(Runtime::kThrowStackOverflow, 0); 1941 __ CallRuntime(Runtime::kThrowStackOverflow);
1942 } 1942 }
1943 __ bind(&done); 1943 __ bind(&done);
1944 } 1944 }
1945 1945
1946 // Relocate arguments down the stack. 1946 // Relocate arguments down the stack.
1947 { 1947 {
1948 Label loop, done_loop; 1948 Label loop, done_loop;
1949 __ mov(r5, Operand(0)); 1949 __ mov(r5, Operand(0));
1950 __ bind(&loop); 1950 __ bind(&loop);
1951 __ cmp(r5, r0); 1951 __ cmp(r5, r0);
(...skipping 91 matching lines...) Expand 10 before | Expand all | Expand 10 after
2043 __ LoadNativeContextSlot(Context::CALL_AS_FUNCTION_DELEGATE_INDEX, r1); 2043 __ LoadNativeContextSlot(Context::CALL_AS_FUNCTION_DELEGATE_INDEX, r1);
2044 __ Jump(masm->isolate()->builtins()->CallFunction( 2044 __ Jump(masm->isolate()->builtins()->CallFunction(
2045 ConvertReceiverMode::kNotNullOrUndefined), 2045 ConvertReceiverMode::kNotNullOrUndefined),
2046 RelocInfo::CODE_TARGET); 2046 RelocInfo::CODE_TARGET);
2047 2047
2048 // 3. Call to something that is not callable. 2048 // 3. Call to something that is not callable.
2049 __ bind(&non_callable); 2049 __ bind(&non_callable);
2050 { 2050 {
2051 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); 2051 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
2052 __ Push(r1); 2052 __ Push(r1);
2053 __ CallRuntime(Runtime::kThrowCalledNonCallable, 1); 2053 __ CallRuntime(Runtime::kThrowCalledNonCallable);
2054 } 2054 }
2055 } 2055 }
2056 2056
2057 2057
2058 // static 2058 // static
2059 void Builtins::Generate_ConstructFunction(MacroAssembler* masm) { 2059 void Builtins::Generate_ConstructFunction(MacroAssembler* masm) {
2060 // ----------- S t a t e ------------- 2060 // ----------- S t a t e -------------
2061 // -- r0 : the number of arguments (not including the receiver) 2061 // -- r0 : the number of arguments (not including the receiver)
2062 // -- r1 : the constructor to call (checked to be a JSFunction) 2062 // -- r1 : the constructor to call (checked to be a JSFunction)
2063 // -- r3 : the new target (checked to be a constructor) 2063 // -- r3 : the new target (checked to be a constructor)
(...skipping 170 matching lines...) Expand 10 before | Expand all | Expand 10 after
2234 __ b(eq, &no_strong_error); 2234 __ b(eq, &no_strong_error);
2235 2235
2236 // What we really care about is the required number of arguments. 2236 // What we really care about is the required number of arguments.
2237 __ ldr(r4, FieldMemOperand(r4, SharedFunctionInfo::kLengthOffset)); 2237 __ ldr(r4, FieldMemOperand(r4, SharedFunctionInfo::kLengthOffset));
2238 __ cmp(r0, Operand::SmiUntag(r4)); 2238 __ cmp(r0, Operand::SmiUntag(r4));
2239 __ b(ge, &no_strong_error); 2239 __ b(ge, &no_strong_error);
2240 2240
2241 { 2241 {
2242 FrameScope frame(masm, StackFrame::MANUAL); 2242 FrameScope frame(masm, StackFrame::MANUAL);
2243 EnterArgumentsAdaptorFrame(masm); 2243 EnterArgumentsAdaptorFrame(masm);
2244 __ CallRuntime(Runtime::kThrowStrongModeTooFewArguments, 0); 2244 __ CallRuntime(Runtime::kThrowStrongModeTooFewArguments);
2245 } 2245 }
2246 2246
2247 __ bind(&no_strong_error); 2247 __ bind(&no_strong_error);
2248 EnterArgumentsAdaptorFrame(masm); 2248 EnterArgumentsAdaptorFrame(masm);
2249 ArgumentAdaptorStackCheck(masm, &stack_overflow); 2249 ArgumentAdaptorStackCheck(masm, &stack_overflow);
2250 2250
2251 // Calculate copy start address into r0 and copy end address is fp. 2251 // Calculate copy start address into r0 and copy end address is fp.
2252 // r0: actual number of arguments as a smi 2252 // r0: actual number of arguments as a smi
2253 // r1: function 2253 // r1: function
2254 // r2: expected number of arguments 2254 // r2: expected number of arguments
(...skipping 51 matching lines...) Expand 10 before | Expand all | Expand 10 after
2306 // ------------------------------------------- 2306 // -------------------------------------------
2307 // Dont adapt arguments. 2307 // Dont adapt arguments.
2308 // ------------------------------------------- 2308 // -------------------------------------------
2309 __ bind(&dont_adapt_arguments); 2309 __ bind(&dont_adapt_arguments);
2310 __ ldr(r4, FieldMemOperand(r1, JSFunction::kCodeEntryOffset)); 2310 __ ldr(r4, FieldMemOperand(r1, JSFunction::kCodeEntryOffset));
2311 __ Jump(r4); 2311 __ Jump(r4);
2312 2312
2313 __ bind(&stack_overflow); 2313 __ bind(&stack_overflow);
2314 { 2314 {
2315 FrameScope frame(masm, StackFrame::MANUAL); 2315 FrameScope frame(masm, StackFrame::MANUAL);
2316 __ CallRuntime(Runtime::kThrowStackOverflow, 0); 2316 __ CallRuntime(Runtime::kThrowStackOverflow);
2317 __ bkpt(0); 2317 __ bkpt(0);
2318 } 2318 }
2319 } 2319 }
2320 2320
2321 2321
2322 #undef __ 2322 #undef __
2323 2323
2324 } // namespace internal 2324 } // namespace internal
2325 } // namespace v8 2325 } // namespace v8
2326 2326
2327 #endif // V8_TARGET_ARCH_ARM 2327 #endif // V8_TARGET_ARCH_ARM
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