Ryan Macnak
e4c71e830f
Function entry points have been subject to block scheduling since 06f9a9e354. Block scheduling in AOT never reorders the entries.
Bug: https://github.com/dart-lang/sdk/issues/36409
Bug: https://github.com/dart-lang/sdk/issues/36731
Change-Id: Id6725fed4d9bbd381631fa88c5397435a35acc9a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/102463
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
108 lines
2.6 KiB
C++
108 lines
2.6 KiB
C++
// Copyright (c) 2016, 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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#ifndef RUNTIME_VM_COMPILER_ASSEMBLER_ASSEMBLER_DBC_H_
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#define RUNTIME_VM_COMPILER_ASSEMBLER_ASSEMBLER_DBC_H_
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#ifndef RUNTIME_VM_COMPILER_ASSEMBLER_ASSEMBLER_H_
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#error Do not include assembler_dbc.h directly; use assembler.h instead.
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#endif
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#include "platform/assert.h"
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#include "platform/utils.h"
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#include "vm/constants_dbc.h"
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#include "vm/cpu.h"
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#include "vm/hash_map.h"
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#include "vm/simulator.h"
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namespace dart {
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namespace compiler {
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// Dummy declaration to make things compile.
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class Address : public ValueObject {
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private:
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Address();
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};
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class Assembler : public AssemblerBase {
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public:
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explicit Assembler(ObjectPoolBuilder* object_pool_builder,
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bool use_far_branches = false)
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: AssemblerBase(object_pool_builder) {}
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~Assembler() {}
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void Bind(Label* label);
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void Jump(Label* label);
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// Misc. functionality
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intptr_t prologue_offset() const { return 0; }
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void MonomorphicCheckedEntry() {}
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// Debugging and bringup support.
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void Stop(const char* message) override;
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static void InitializeMemoryWithBreakpoints(uword data, intptr_t length);
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static uword GetBreakInstructionFiller() { return SimulatorBytecode::kTrap; }
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static bool IsSafe(const Object& value) { return true; }
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static bool IsSafeSmi(const Object& value) { return false; }
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enum CanBeSmi {
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kValueIsNotSmi,
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kValueCanBeSmi,
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};
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// Bytecodes.
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#define DECLARE_EMIT(Name, Signature, Fmt0, Fmt1, Fmt2) \
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void Name(PARAMS_##Signature);
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#define PARAMS_0
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#define PARAMS_A_D uintptr_t ra, uintptr_t rd
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#define PARAMS_D uintptr_t rd
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#define PARAMS_A_B_C uintptr_t ra, uintptr_t rb, uintptr_t rc
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#define PARAMS_A_B_Y uintptr_t ra, uintptr_t rb, intptr_t ry
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#define PARAMS_A uintptr_t ra
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#define PARAMS_X intptr_t x
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#define PARAMS_T intptr_t x
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#define PARAMS_A_X uintptr_t ra, intptr_t x
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BYTECODES_LIST(DECLARE_EMIT)
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#undef PARAMS_0
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#undef PARAMS_A_D
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#undef PARAMS_D
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#undef PARAMS_A_B_C
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#undef PARAMS_A_B_Y
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#undef PARAMS_A
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#undef PARAMS_X
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#undef PARAMS_T
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#undef PARAMS_A_X
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#undef DECLARE_EMIT
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void Emit(int32_t value);
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void PushConstant(const Object& obj);
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void LoadConstant(uintptr_t ra, const Object& obj);
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intptr_t AddConstant(const Object& obj);
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void Nop(intptr_t d) { Nop(0, d); }
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private:
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DISALLOW_ALLOCATION();
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DISALLOW_COPY_AND_ASSIGN(Assembler);
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};
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} // namespace compiler
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using compiler::Address;
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} // namespace dart
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#endif // RUNTIME_VM_COMPILER_ASSEMBLER_ASSEMBLER_DBC_H_
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