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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef VM_ASSEMBLER_IA32_H_ | 5 #ifndef VM_ASSEMBLER_IA32_H_ |
6 #define VM_ASSEMBLER_IA32_H_ | 6 #define VM_ASSEMBLER_IA32_H_ |
7 | 7 |
8 #ifndef VM_ASSEMBLER_H_ | 8 #ifndef VM_ASSEMBLER_H_ |
9 #error Do not include assembler_ia32.h directly; use assembler.h instead. | 9 #error Do not include assembler_ia32.h directly; use assembler.h instead. |
10 #endif | 10 #endif |
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758 // Instruction pattern from entrypoint is used in dart frame prologs | 758 // Instruction pattern from entrypoint is used in dart frame prologs |
759 // to set up the frame and save a PC which can be used to figure out the | 759 // to set up the frame and save a PC which can be used to figure out the |
760 // RawInstruction object corresponding to the code running in the frame. | 760 // RawInstruction object corresponding to the code running in the frame. |
761 // entrypoint: | 761 // entrypoint: |
762 // pushl ebp (size is 1 byte) | 762 // pushl ebp (size is 1 byte) |
763 // movl ebp, esp (size is 2 bytes) | 763 // movl ebp, esp (size is 2 bytes) |
764 // call L (size is 5 bytes) | 764 // call L (size is 5 bytes) |
765 // L: | 765 // L: |
766 static const intptr_t kEntryPointToPcMarkerOffset = 8; | 766 static const intptr_t kEntryPointToPcMarkerOffset = 8; |
767 | 767 |
| 768 void UpdateAllocationStats(intptr_t cid, |
| 769 Register temp_reg, |
| 770 Heap::Space space = Heap::kNew); |
| 771 |
| 772 void UpdateAllocationStatsWithSize(intptr_t cid, |
| 773 Register size_reg, |
| 774 Register temp_reg, |
| 775 Heap::Space space = Heap::kNew); |
| 776 |
768 // Inlined allocation of an instance of class 'cls', code has no runtime | 777 // Inlined allocation of an instance of class 'cls', code has no runtime |
769 // calls. Jump to 'failure' if the instance cannot be allocated here. | 778 // calls. Jump to 'failure' if the instance cannot be allocated here. |
770 // Allocated instance is returned in 'instance_reg'. | 779 // Allocated instance is returned in 'instance_reg'. |
771 // Only the tags field of the object is initialized. | 780 // Only the tags field of the object is initialized. |
772 void TryAllocate(const Class& cls, | 781 void TryAllocate(const Class& cls, |
773 Label* failure, | 782 Label* failure, |
774 bool near_jump, | 783 bool near_jump, |
775 Register instance_reg); | 784 Register instance_reg, |
| 785 Register temp_reg); |
776 | 786 |
777 // Debugging and bringup support. | 787 // Debugging and bringup support. |
778 void Stop(const char* message); | 788 void Stop(const char* message); |
779 void Unimplemented(const char* message); | 789 void Unimplemented(const char* message); |
780 void Untested(const char* message); | 790 void Untested(const char* message); |
781 void Unreachable(const char* message); | 791 void Unreachable(const char* message); |
782 | 792 |
783 static void InitializeMemoryWithBreakpoints(uword data, intptr_t length); | 793 static void InitializeMemoryWithBreakpoints(uword data, intptr_t length); |
784 | 794 |
785 void Comment(const char* format, ...) PRINTF_ATTRIBUTE(2, 3); | 795 void Comment(const char* format, ...) PRINTF_ATTRIBUTE(2, 3); |
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878 } | 888 } |
879 | 889 |
880 | 890 |
881 inline void Assembler::EmitOperandSizeOverride() { | 891 inline void Assembler::EmitOperandSizeOverride() { |
882 EmitUint8(0x66); | 892 EmitUint8(0x66); |
883 } | 893 } |
884 | 894 |
885 } // namespace dart | 895 } // namespace dart |
886 | 896 |
887 #endif // VM_ASSEMBLER_IA32_H_ | 897 #endif // VM_ASSEMBLER_IA32_H_ |
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