| // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| // The class 'AssemblerMacros' contains assembler instruction groups that |
| // are used in Dart. |
| |
| #ifndef VM_ASSEMBLER_MACROS_MIPS_H_ |
| #define VM_ASSEMBLER_MACROS_MIPS_H_ |
| |
| #ifndef VM_ASSEMBLER_MACROS_H_ |
| #error Do not include assembler_macros_mips.h directly; use assembler_macros.h. |
| #endif |
| |
| #include "vm/allocation.h" |
| #include "vm/constants_mips.h" |
| |
| namespace dart { |
| |
| // Forward declarations. |
| class Assembler; |
| class Class; |
| class Label; |
| |
| class AssemblerMacros : public AllStatic { |
| public: |
| // Inlined allocation of an instance of class 'cls', code has no runtime |
| // calls. Jump to 'failure' if the instance cannot be allocated here. |
| // Allocated instance is returned in 'instance_reg'. |
| // Only the tags field of the object is initialized. |
| static void TryAllocate(Assembler* assembler, |
| const Class& cls, |
| Label* failure, |
| bool near_jump, |
| Register instance_reg); |
| |
| // Set up a dart frame on entry with a frame pointer and PC information to |
| // enable easy access to the RawInstruction object of code corresponding |
| // to this frame. |
| static void EnterDartFrame(Assembler* assembler, intptr_t frame_size); |
| |
| // Set up a stub frame so that the stack traversal code can easily identify |
| // a stub frame. |
| static void EnterStubFrame(Assembler* assembler); |
| |
| // Instruction pattern from entrypoint is used in dart frame prologs |
| // to set up the frame and save a PC which can be used to figure out the |
| // RawInstruction object corresponding to the code running in the frame. |
| static const intptr_t kOffsetOfSavedPCfromEntrypoint = -1; // UNIMPLEMENTED. |
| }; |
| |
| } // namespace dart. |
| |
| #endif // VM_ASSEMBLER_MACROS_MIPS_H_ |
| |