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Issue 212163004: Hide some runtime functions. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 9 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 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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319 // Checking whether the queued function is ready for install is optional, 319 // Checking whether the queued function is ready for install is optional,
320 // since we come across interrupts and stack checks elsewhere. However, 320 // since we come across interrupts and stack checks elsewhere. However,
321 // not checking may delay installing ready functions, and always checking 321 // not checking may delay installing ready functions, and always checking
322 // would be quite expensive. A good compromise is to first check against 322 // would be quite expensive. A good compromise is to first check against
323 // stack limit as a cue for an interrupt signal. 323 // stack limit as a cue for an interrupt signal.
324 Label ok; 324 Label ok;
325 __ LoadRoot(ip, Heap::kStackLimitRootIndex); 325 __ LoadRoot(ip, Heap::kStackLimitRootIndex);
326 __ cmp(sp, Operand(ip)); 326 __ cmp(sp, Operand(ip));
327 __ b(hs, &ok); 327 __ b(hs, &ok);
328 328
329 CallRuntimePassFunction(masm, Runtime::kTryInstallOptimizedCode); 329 CallRuntimePassFunction(masm, Runtime::kHiddenTryInstallOptimizedCode);
330 GenerateTailCallToReturnedCode(masm); 330 GenerateTailCallToReturnedCode(masm);
331 331
332 __ bind(&ok); 332 __ bind(&ok);
333 GenerateTailCallToSharedCode(masm); 333 GenerateTailCallToSharedCode(masm);
334 } 334 }
335 335
336 336
337 static void Generate_JSConstructStubHelper(MacroAssembler* masm, 337 static void Generate_JSConstructStubHelper(MacroAssembler* masm,
338 bool is_api_function, 338 bool is_api_function,
339 bool count_constructions, 339 bool count_constructions,
(...skipping 68 matching lines...) Expand 10 before | Expand all | Expand 10 after
408 FieldMemOperand(r3, SharedFunctionInfo::kConstructionCountOffset); 408 FieldMemOperand(r3, SharedFunctionInfo::kConstructionCountOffset);
409 __ ldrb(r4, constructor_count); 409 __ ldrb(r4, constructor_count);
410 __ sub(r4, r4, Operand(1), SetCC); 410 __ sub(r4, r4, Operand(1), SetCC);
411 __ strb(r4, constructor_count); 411 __ strb(r4, constructor_count);
412 __ b(ne, &allocate); 412 __ b(ne, &allocate);
413 413
414 __ push(r1); 414 __ push(r1);
415 415
416 __ Push(r2, r1); // r1 = constructor 416 __ Push(r2, r1); // r1 = constructor
417 // The call will replace the stub, so the countdown is only done once. 417 // The call will replace the stub, so the countdown is only done once.
418 __ CallRuntime(Runtime::kFinalizeInstanceSize, 1); 418 __ CallRuntime(Runtime::kHiddenFinalizeInstanceSize, 1);
419 419
420 __ pop(r2); 420 __ pop(r2);
421 __ pop(r1); 421 __ pop(r1);
422 422
423 __ bind(&allocate); 423 __ bind(&allocate);
424 } 424 }
425 425
426 // Now allocate the JSObject on the heap. 426 // Now allocate the JSObject on the heap.
427 // r1: constructor function 427 // r1: constructor function
428 // r2: initial map 428 // r2: initial map
(...skipping 162 matching lines...) Expand 10 before | Expand all | Expand 10 after
591 // r1: constructor function 591 // r1: constructor function
592 __ bind(&rt_call); 592 __ bind(&rt_call);
593 if (create_memento) { 593 if (create_memento) {
594 // Get the cell or allocation site. 594 // Get the cell or allocation site.
595 __ ldr(r2, MemOperand(sp, 2 * kPointerSize)); 595 __ ldr(r2, MemOperand(sp, 2 * kPointerSize));
596 __ push(r2); 596 __ push(r2);
597 } 597 }
598 598
599 __ push(r1); // argument for Runtime_NewObject 599 __ push(r1); // argument for Runtime_NewObject
600 if (create_memento) { 600 if (create_memento) {
601 __ CallRuntime(Runtime::kNewObjectWithAllocationSite, 2); 601 __ CallRuntime(Runtime::kHiddenNewObjectWithAllocationSite, 2);
602 } else { 602 } else {
603 __ CallRuntime(Runtime::kNewObject, 1); 603 __ CallRuntime(Runtime::kHiddenNewObject, 1);
604 } 604 }
605 __ mov(r4, r0); 605 __ mov(r4, r0);
606 606
607 // If we ended up using the runtime, and we want a memento, then the 607 // If we ended up using the runtime, and we want a memento, then the
608 // runtime call made it for us, and we shouldn't do create count 608 // runtime call made it for us, and we shouldn't do create count
609 // increment. 609 // increment.
610 Label count_incremented; 610 Label count_incremented;
611 if (create_memento) { 611 if (create_memento) {
612 __ jmp(&count_incremented); 612 __ jmp(&count_incremented);
613 } 613 }
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827 Generate_JSEntryTrampolineHelper(masm, false); 827 Generate_JSEntryTrampolineHelper(masm, false);
828 } 828 }
829 829
830 830
831 void Builtins::Generate_JSConstructEntryTrampoline(MacroAssembler* masm) { 831 void Builtins::Generate_JSConstructEntryTrampoline(MacroAssembler* masm) {
832 Generate_JSEntryTrampolineHelper(masm, true); 832 Generate_JSEntryTrampolineHelper(masm, true);
833 } 833 }
834 834
835 835
836 void Builtins::Generate_CompileUnoptimized(MacroAssembler* masm) { 836 void Builtins::Generate_CompileUnoptimized(MacroAssembler* masm) {
837 CallRuntimePassFunction(masm, Runtime::kCompileUnoptimized); 837 CallRuntimePassFunction(masm, Runtime::kHiddenCompileUnoptimized);
838 GenerateTailCallToReturnedCode(masm); 838 GenerateTailCallToReturnedCode(masm);
839 } 839 }
840 840
841 841
842 static void CallCompileOptimized(MacroAssembler* masm, bool concurrent) { 842 static void CallCompileOptimized(MacroAssembler* masm, bool concurrent) {
843 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); 843 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
844 // Push a copy of the function onto the stack. 844 // Push a copy of the function onto the stack.
845 __ push(r1); 845 __ push(r1);
846 // Push function as parameter to the runtime call. 846 // Push function as parameter to the runtime call.
847 __ Push(r1); 847 __ Push(r1);
848 // Whether to compile in a background thread. 848 // Whether to compile in a background thread.
849 __ Push(masm->isolate()->factory()->ToBoolean(concurrent)); 849 __ Push(masm->isolate()->factory()->ToBoolean(concurrent));
850 850
851 __ CallRuntime(Runtime::kCompileOptimized, 2); 851 __ CallRuntime(Runtime::kHiddenCompileOptimized, 2);
852 // Restore receiver. 852 // Restore receiver.
853 __ pop(r1); 853 __ pop(r1);
854 } 854 }
855 855
856 856
857 void Builtins::Generate_CompileOptimized(MacroAssembler* masm) { 857 void Builtins::Generate_CompileOptimized(MacroAssembler* masm) {
858 CallCompileOptimized(masm, false); 858 CallCompileOptimized(masm, false);
859 GenerateTailCallToReturnedCode(masm); 859 GenerateTailCallToReturnedCode(masm);
860 } 860 }
861 861
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936 static void Generate_NotifyStubFailureHelper(MacroAssembler* masm, 936 static void Generate_NotifyStubFailureHelper(MacroAssembler* masm,
937 SaveFPRegsMode save_doubles) { 937 SaveFPRegsMode save_doubles) {
938 { 938 {
939 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); 939 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
940 940
941 // Preserve registers across notification, this is important for compiled 941 // Preserve registers across notification, this is important for compiled
942 // stubs that tail call the runtime on deopts passing their parameters in 942 // stubs that tail call the runtime on deopts passing their parameters in
943 // registers. 943 // registers.
944 __ stm(db_w, sp, kJSCallerSaved | kCalleeSaved); 944 __ stm(db_w, sp, kJSCallerSaved | kCalleeSaved);
945 // Pass the function and deoptimization type to the runtime system. 945 // Pass the function and deoptimization type to the runtime system.
946 __ CallRuntime(Runtime::kNotifyStubFailure, 0, save_doubles); 946 __ CallRuntime(Runtime::kHiddenNotifyStubFailure, 0, save_doubles);
947 __ ldm(ia_w, sp, kJSCallerSaved | kCalleeSaved); 947 __ ldm(ia_w, sp, kJSCallerSaved | kCalleeSaved);
948 } 948 }
949 949
950 __ add(sp, sp, Operand(kPointerSize)); // Ignore state 950 __ add(sp, sp, Operand(kPointerSize)); // Ignore state
951 __ mov(pc, lr); // Jump to miss handler 951 __ mov(pc, lr); // Jump to miss handler
952 } 952 }
953 953
954 954
955 void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) { 955 void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) {
956 Generate_NotifyStubFailureHelper(masm, kDontSaveFPRegs); 956 Generate_NotifyStubFailureHelper(masm, kDontSaveFPRegs);
957 } 957 }
958 958
959 959
960 void Builtins::Generate_NotifyStubFailureSaveDoubles(MacroAssembler* masm) { 960 void Builtins::Generate_NotifyStubFailureSaveDoubles(MacroAssembler* masm) {
961 Generate_NotifyStubFailureHelper(masm, kSaveFPRegs); 961 Generate_NotifyStubFailureHelper(masm, kSaveFPRegs);
962 } 962 }
963 963
964 964
965 static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm, 965 static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm,
966 Deoptimizer::BailoutType type) { 966 Deoptimizer::BailoutType type) {
967 { 967 {
968 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); 968 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
969 // Pass the function and deoptimization type to the runtime system. 969 // Pass the function and deoptimization type to the runtime system.
970 __ mov(r0, Operand(Smi::FromInt(static_cast<int>(type)))); 970 __ mov(r0, Operand(Smi::FromInt(static_cast<int>(type))));
971 __ push(r0); 971 __ push(r0);
972 __ CallRuntime(Runtime::kNotifyDeoptimized, 1); 972 __ CallRuntime(Runtime::kHiddenNotifyDeoptimized, 1);
973 } 973 }
974 974
975 // Get the full codegen state from the stack and untag it -> r6. 975 // Get the full codegen state from the stack and untag it -> r6.
976 __ ldr(r6, MemOperand(sp, 0 * kPointerSize)); 976 __ ldr(r6, MemOperand(sp, 0 * kPointerSize));
977 __ SmiUntag(r6); 977 __ SmiUntag(r6);
978 // Switch on the state. 978 // Switch on the state.
979 Label with_tos_register, unknown_state; 979 Label with_tos_register, unknown_state;
980 __ cmp(r6, Operand(FullCodeGenerator::NO_REGISTERS)); 980 __ cmp(r6, Operand(FullCodeGenerator::NO_REGISTERS));
981 __ b(ne, &with_tos_register); 981 __ b(ne, &with_tos_register);
982 __ add(sp, sp, Operand(1 * kPointerSize)); // Remove state. 982 __ add(sp, sp, Operand(1 * kPointerSize)); // Remove state.
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1053 1053
1054 1054
1055 void Builtins::Generate_OsrAfterStackCheck(MacroAssembler* masm) { 1055 void Builtins::Generate_OsrAfterStackCheck(MacroAssembler* masm) {
1056 // We check the stack limit as indicator that recompilation might be done. 1056 // We check the stack limit as indicator that recompilation might be done.
1057 Label ok; 1057 Label ok;
1058 __ LoadRoot(ip, Heap::kStackLimitRootIndex); 1058 __ LoadRoot(ip, Heap::kStackLimitRootIndex);
1059 __ cmp(sp, Operand(ip)); 1059 __ cmp(sp, Operand(ip));
1060 __ b(hs, &ok); 1060 __ b(hs, &ok);
1061 { 1061 {
1062 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); 1062 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
1063 __ CallRuntime(Runtime::kStackGuard, 0); 1063 __ CallRuntime(Runtime::kHiddenStackGuard, 0);
1064 } 1064 }
1065 __ Jump(masm->isolate()->builtins()->OnStackReplacement(), 1065 __ Jump(masm->isolate()->builtins()->OnStackReplacement(),
1066 RelocInfo::CODE_TARGET); 1066 RelocInfo::CODE_TARGET);
1067 1067
1068 __ bind(&ok); 1068 __ bind(&ok);
1069 __ Ret(); 1069 __ Ret();
1070 } 1070 }
1071 1071
1072 1072
1073 void Builtins::Generate_FunctionCall(MacroAssembler* masm) { 1073 void Builtins::Generate_FunctionCall(MacroAssembler* masm) {
(...skipping 472 matching lines...) Expand 10 before | Expand all | Expand 10 after
1546 __ bind(&dont_adapt_arguments); 1546 __ bind(&dont_adapt_arguments);
1547 __ Jump(r3); 1547 __ Jump(r3);
1548 } 1548 }
1549 1549
1550 1550
1551 #undef __ 1551 #undef __
1552 1552
1553 } } // namespace v8::internal 1553 } } // namespace v8::internal
1554 1554
1555 #endif // V8_TARGET_ARCH_ARM 1555 #endif // V8_TARGET_ARCH_ARM
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