regis@google.com
1d0e4dd389
Review URL: https://codereview.chromium.org//11926022 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@17320 260f80e4-7a28-3924-810f-c04153c831b5
55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// The class 'AssemblerMacros' contains assembler instruction groups that
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// are used in Dart.
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#ifndef VM_ASSEMBLER_MACROS_MIPS_H_
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#define VM_ASSEMBLER_MACROS_MIPS_H_
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#ifndef VM_ASSEMBLER_MACROS_H_
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#error Do not include assembler_macros_mips.h directly; use assembler_macros.h.
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#endif
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#include "vm/allocation.h"
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#include "vm/constants_mips.h"
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namespace dart {
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// Forward declarations.
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class Assembler;
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class Class;
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class Label;
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class AssemblerMacros : public AllStatic {
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public:
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// Inlined allocation of an instance of class 'cls', code has no runtime
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// calls. Jump to 'failure' if the instance cannot be allocated here.
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// Allocated instance is returned in 'instance_reg'.
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// Only the tags field of the object is initialized.
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static void TryAllocate(Assembler* assembler,
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const Class& cls,
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Label* failure,
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bool near_jump,
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Register instance_reg);
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// Set up a dart frame on entry with a frame pointer and PC information to
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// enable easy access to the RawInstruction object of code corresponding
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// to this frame.
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static void EnterDartFrame(Assembler* assembler, intptr_t frame_size);
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// Set up a stub frame so that the stack traversal code can easily identify
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// a stub frame.
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static void EnterStubFrame(Assembler* assembler);
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// Instruction pattern from entrypoint is used in dart frame prologs
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// to set up the frame and save a PC which can be used to figure out the
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// RawInstruction object corresponding to the code running in the frame.
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static const intptr_t kOffsetOfSavedPCfromEntrypoint = -1; // UNIMPLEMENTED.
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};
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} // namespace dart.
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#endif // VM_ASSEMBLER_MACROS_MIPS_H_
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