[mips] Initial framework support for MIPS32

src/vm/interpreter_mips.cc

Index: src/vm/interpreter_mips.cc
diff --git a/src/vm/interpreter_mips.cc b/src/vm/interpreter_mips.cc
new file mode 100644
index 0000000000000000000000000000000000000000..15ac1c20c86d67820173c65230961f02b6700587
--- /dev/null
+++ b/src/vm/interpreter_mips.cc
@@ -0,0 +1,709 @@
+// Copyright (c) 2016, the Dartino 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.md file.
+
+#if defined(DARTINO_TARGET_MIPS)
+
+#include "src/shared/bytecodes.h"
+#include "src/shared/names.h"
+#include "src/shared/selectors.h"
+
+#include "src/vm/assembler.h"
+#include "src/vm/generator.h"
+#include "src/vm/interpreter.h"
+#include "src/vm/intrinsics.h"
+#include "src/vm/object.h"
+#include "src/vm/process.h"
+#include "src/vm/program.h"
+
+#define __ assembler()->
+
+namespace dartino {
+
+class InterpreterGenerator {
+ public:
+  explicit InterpreterGenerator(Assembler* assembler)
+      : assembler_(assembler) { }
+
+  void Generate();
+
+  virtual void GeneratePrologue() = 0;
+  virtual void GenerateEpilogue() = 0;
+
+  virtual void GenerateMethodEntry() = 0;
+
+  virtual void GenerateBytecodePrologue(const char* name) = 0;
+  virtual void GenerateDebugAtBytecode() = 0;
+
+#define V(name, branching, format, size, stack_diff, print) \
+  virtual void Do##name() = 0;
+  BYTECODES_DO(V)
+#undef V
+
+#define V(name) virtual void DoIntrinsic##name() = 0;
+  INTRINSICS_DO(V)
+#undef V
+
+ protected:
+  Assembler* assembler() const { return assembler_; }
+
+ private:
+  Assembler* const assembler_;
+};
+
+void InterpreterGenerator::Generate() {
+  GeneratePrologue();
+  GenerateEpilogue();
+
+  GenerateMethodEntry();
+
+  GenerateDebugAtBytecode();
+
+#define V(name, branching, format, size, stack_diff, print) \
+  GenerateBytecodePrologue("BC_" #name);                    \
+  Do##name();
+  BYTECODES_DO(V)
+#undef V
+
+#define V(name)           \
+  __ AlignToPowerOfTwo(3);  \
+  __ Bind("", "Intrinsic_" #name); \
+  DoIntrinsic##name();
+  INTRINSICS_DO(V)
+#undef V
+
+#define V(name, branching, format, size, stack_diff, print) \
+  assembler()->DefineLong("BC_" #name);
+  BYTECODES_DO(V)
+#undef V
+
+  __ SwitchToData();
+  __ BindWithPowerOfTwoAlignment("Interpret_DispatchTable", 4);
+#define V(name, branching, format, size, stack_diff, print) \
+  assembler()->DefineLong("BC_" #name);
+  BYTECODES_DO(V)
+#undef V
+}
+
+class InterpreterGeneratorMIPS: public InterpreterGenerator {
+ public:
+  explicit InterpreterGeneratorMIPS(Assembler* assembler)
+      : InterpreterGenerator(assembler) { }
+
+  virtual void GeneratePrologue();
+  virtual void GenerateEpilogue();
+
+  virtual void GenerateMethodEntry();
+
+  virtual void GenerateBytecodePrologue(const char* name);
+  virtual void GenerateDebugAtBytecode();
+
+  virtual void DoLoadLocal0();
+  virtual void DoLoadLocal1();
+  virtual void DoLoadLocal2();
+  virtual void DoLoadLocal3();
+  virtual void DoLoadLocal4();
+  virtual void DoLoadLocal5();
+  virtual void DoLoadLocal();
+  virtual void DoLoadLocalWide();
+
+  virtual void DoLoadBoxed();
+  virtual void DoLoadStatic();
+  virtual void DoLoadStaticInit();
+  virtual void DoLoadField();
+  virtual void DoLoadFieldWide();
+
+  virtual void DoLoadConst();
+
+  virtual void DoStoreLocal();
+  virtual void DoStoreBoxed();
+  virtual void DoStoreStatic();
+  virtual void DoStoreField();
+  virtual void DoStoreFieldWide();
+
+  virtual void DoLoadLiteralNull();
+  virtual void DoLoadLiteralTrue();
+  virtual void DoLoadLiteralFalse();
+  virtual void DoLoadLiteral0();
+  virtual void DoLoadLiteral1();
+  virtual void DoLoadLiteral();
+  virtual void DoLoadLiteralWide();
+
+  virtual void DoInvokeMethodUnfold();
+  virtual void DoInvokeMethod();
+
+  virtual void DoInvokeNoSuchMethod();
+  virtual void DoInvokeTestNoSuchMethod();
+
+  virtual void DoInvokeStatic();
+  virtual void DoInvokeFactory();
+
+  virtual void DoInvokeLeafNative();
+  virtual void DoInvokeNative();
+  virtual void DoInvokeNativeYield();
+
+  virtual void DoInvokeTestUnfold();
+  virtual void DoInvokeTest();
+
+  virtual void DoInvokeSelector();
+
+#define INVOKE_BUILTIN(kind)               \
+  virtual void DoInvoke##kind##Unfold() {  \
+    Invoke##kind("BC_InvokeMethodUnfold"); \
+  }                                        \
+  virtual void DoInvoke##kind() { Invoke##kind("BC_InvokeMethod"); }
+
+  INVOKE_BUILTIN(Eq);
+  INVOKE_BUILTIN(Lt);
+  INVOKE_BUILTIN(Le);
+  INVOKE_BUILTIN(Gt);
+  INVOKE_BUILTIN(Ge);
+
+  INVOKE_BUILTIN(Add);
+  INVOKE_BUILTIN(Sub);
+  INVOKE_BUILTIN(Mod);
+  INVOKE_BUILTIN(Mul);
+  INVOKE_BUILTIN(TruncDiv);
+
+  INVOKE_BUILTIN(BitNot);
+  INVOKE_BUILTIN(BitAnd);
+  INVOKE_BUILTIN(BitOr);
+  INVOKE_BUILTIN(BitXor);
+  INVOKE_BUILTIN(BitShr);
+  INVOKE_BUILTIN(BitShl);
+
+#undef INVOKE_BUILTIN
+
+  virtual void DoPop();
+  virtual void DoDrop();
+  virtual void DoReturn();
+  virtual void DoReturnNull();
+
+  virtual void DoBranchWide();
+  virtual void DoBranchIfTrueWide();
+  virtual void DoBranchIfFalseWide();
+
+  virtual void DoBranchBack();
+  virtual void DoBranchBackIfTrue();
+  virtual void DoBranchBackIfFalse();
+
+  virtual void DoBranchBackWide();
+  virtual void DoBranchBackIfTrueWide();
+  virtual void DoBranchBackIfFalseWide();
+
+  virtual void DoPopAndBranchWide();
+  virtual void DoPopAndBranchBackWide();
+
+  virtual void DoAllocate();
+  virtual void DoAllocateImmutable();
+  virtual void DoAllocateBoxed();
+
+  virtual void DoNegate();
+
+  virtual void DoStackOverflowCheck();
+
+  virtual void DoThrow();
+  virtual void DoThrowAfterSaveState(Label* resume);
+  virtual void DoSubroutineCall();
+  virtual void DoSubroutineReturn();
+
+  virtual void DoProcessYield();
+  virtual void DoCoroutineChange();
+
+  virtual void DoIdentical();
+  virtual void DoIdenticalNonNumeric();
+
+  virtual void DoEnterNoSuchMethod();
+  virtual void DoExitNoSuchMethod();
+
+  virtual void DoMethodEnd();
+
+  virtual void DoIntrinsicObjectEquals();
+  virtual void DoIntrinsicGetField();
+  virtual void DoIntrinsicSetField();
+  virtual void DoIntrinsicListIndexGet();
+  virtual void DoIntrinsicListIndexSet();
+  virtual void DoIntrinsicListLength();
+
+ private:
+  Label done_;
+  Label done_state_saved_;
+  Label check_stack_overflow_;
+  Label check_stack_overflow_0_;
+  Label gc_;
+  Label intrinsic_failure_;
+  Label interpreter_entry_;
+  int spill_size_;
+
+  void LoadLocal(Register reg, int index);
+  void StoreLocal(Register reg, int index);
+
+  void Push(Register reg);
+  void Pop(Register reg);
+  void Drop(int n);
+  void Drop(Register reg);
+  void DropNAndSetTop(int dropping_slots, Register reg);
+
+  void LoadFramePointer(Register reg);
+  void StoreFramePointer(Register reg);
+
+  void SaveByteCodePointer(Register scratch);
+  void RestoreByteCodePointer(Register scratch);
+
+  void PushFrameDescriptor(Register return_address, Register scratch);
+  void ReadFrameDescriptor(Register scratch);
+
+  void Return(bool is_return_null);
+
+  void Allocate(bool immutable);
+
+  // This function trashes 'scratch'.
+  void AddToRememberedSet(Register object, Register value, Register scratch);
+
+  void InvokeEq(const char* fallback);
+  void InvokeLt(const char* fallback);
+  void InvokeLe(const char* fallback);
+  void InvokeGt(const char* fallback);
+  void InvokeGe(const char* fallback);
+  void InvokeCompare(const char* fallback, Condition condition);
+
+  void InvokeAdd(const char* fallback);
+  void InvokeSub(const char* fallback);
+  void InvokeMod(const char* fallback);
+  void InvokeMul(const char* fallback);
+  void InvokeTruncDiv(const char* fallback);
+
+  void InvokeBitNot(const char* fallback);
+  void InvokeBitAnd(const char* fallback);
+  void InvokeBitOr(const char* fallback);
+  void InvokeBitXor(const char* fallback);
+  void InvokeBitShr(const char* fallback);
+  void InvokeBitShl(const char* fallback);
+
+  void InvokeMethodUnfold(bool test);
+  void InvokeMethod(bool test);
+
+  void InvokeNative(bool yield, bool safepoint);
+  void InvokeStatic();
+
+  void ConditionalStore(Register cmp, Register reg_if_eq, Register reg_if_ne,
+                        const Address& address);
+
+  void CheckStackOverflow(int size);
+
+  void Dispatch(int size);
+
+  void SaveState(Label* resume);
+  void RestoreState();
+
+  static int ComputeStackPadding(int reserved, int extra) {
+    const int kAlignment = 8;
+    int rounded = (reserved + extra + kAlignment - 1) & ~(kAlignment - 1);
+    return rounded - reserved;
+  }
+};
+
+GENERATE(, Interpret) {
+  InterpreterGeneratorMIPS generator(assembler);
+  generator.Generate();
+}
+
+void InterpreterGeneratorMIPS::GeneratePrologue() {
+}
+
+void InterpreterGeneratorMIPS::GenerateEpilogue() {
+  // Default entrypoint.
+  __ Bind("", "InterpreterEntry");
+  __ Bind(&interpreter_entry_);
+  Dispatch(0);
+
+  /* ... */
+}
+
+void InterpreterGeneratorMIPS::GenerateMethodEntry() {
+  __ SwitchToText();
+  __ AlignToPowerOfTwo(3);
+  __ Bind("", "InterpreterMethodEntry");
+
+  /* ... */
+}
+
+void InterpreterGeneratorMIPS::GenerateBytecodePrologue(const char* name) {
+  __ SwitchToText();
+  __ AlignToPowerOfTwo(3);
+  __ nop();
+  __ nop();
+  __ nop();
+  __ nop();
+  __ nop();
+  __ Bind("Debug_", name);
+  __ la(T9, "DebugAtBytecode");
+  __ jalr(T9);
+  __ nop();
+  __ AlignToPowerOfTwo(3);
+  __ Bind("", name);
+}
+
+void InterpreterGeneratorMIPS::GenerateDebugAtBytecode() {
+  __ SwitchToText();
+  __ AlignToPowerOfTwo(4);  // Align to 8-byte storage boundary.
+  __ Bind("", "DebugAtBytecode");
+}
+
+void InterpreterGeneratorMIPS::DoLoadLocal0() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadLocal1() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadLocal2() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadLocal3() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadLocal4() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadLocal5() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadLocal() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadLocalWide() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadBoxed() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadStatic() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadStaticInit() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadField() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadFieldWide() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadConst() {
+}
+
+void InterpreterGeneratorMIPS::DoStoreLocal() {
+}
+
+void InterpreterGeneratorMIPS::DoStoreBoxed() {
+}
+
+void InterpreterGeneratorMIPS::DoStoreStatic() {
+}
+
+void InterpreterGeneratorMIPS::DoStoreField() {
+}
+
+void InterpreterGeneratorMIPS::DoStoreFieldWide() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadLiteralNull() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadLiteralTrue() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadLiteralFalse() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadLiteral0() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadLiteral1() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadLiteral() {
+}
+
+void InterpreterGeneratorMIPS::DoLoadLiteralWide() {
+}
+
+void InterpreterGeneratorMIPS::DoInvokeMethodUnfold() {
+}
+
+void InterpreterGeneratorMIPS::DoInvokeMethod() {
+}
+
+void InterpreterGeneratorMIPS::DoInvokeNoSuchMethod() {
+}
+
+void InterpreterGeneratorMIPS::DoInvokeTestNoSuchMethod() {
+}
+
+void InterpreterGeneratorMIPS::DoInvokeTestUnfold() {
+}
+
+void InterpreterGeneratorMIPS::DoInvokeTest() {
+}
+
+void InterpreterGeneratorMIPS::DoInvokeStatic() {
+}
+
+void InterpreterGeneratorMIPS::DoInvokeFactory() {
+}
+
+void InterpreterGeneratorMIPS::DoInvokeLeafNative() {
+}
+
+void InterpreterGeneratorMIPS::DoInvokeNative() {
+}
+
+void InterpreterGeneratorMIPS::DoInvokeNativeYield() {
+}
+
+void InterpreterGeneratorMIPS::DoInvokeSelector() {
+}
+
+void InterpreterGeneratorMIPS::InvokeEq(const char* fallback) {
+}
+
+void InterpreterGeneratorMIPS::InvokeLt(const char* fallback) {
+}
+
+void InterpreterGeneratorMIPS::InvokeLe(const char* fallback) {
+}
+
+void InterpreterGeneratorMIPS::InvokeGt(const char* fallback) {
+}
+
+void InterpreterGeneratorMIPS::InvokeGe(const char* fallback) {
+}
+
+void InterpreterGeneratorMIPS::InvokeAdd(const char* fallback) {
+}
+
+void InterpreterGeneratorMIPS::InvokeSub(const char* fallback) {
+}
+
+void InterpreterGeneratorMIPS::InvokeMod(const char* fallback) {
+}
+
+void InterpreterGeneratorMIPS::InvokeMul(const char* fallback) {
+}
+
+void InterpreterGeneratorMIPS::InvokeTruncDiv(const char* fallback) {
+}
+
+void InterpreterGeneratorMIPS::InvokeBitNot(const char* fallback) {
+}
+
+void InterpreterGeneratorMIPS::InvokeBitAnd(const char* fallback) {
+}
+
+void InterpreterGeneratorMIPS::InvokeBitOr(const char* fallback) {
+}
+
+void InterpreterGeneratorMIPS::InvokeBitXor(const char* fallback) {
+}
+
+void InterpreterGeneratorMIPS::InvokeBitShr(const char* fallback) {
+}
+
+void InterpreterGeneratorMIPS::InvokeBitShl(const char* fallback) {
+}
+
+void InterpreterGeneratorMIPS::DoPop() {
+}
+
+void InterpreterGeneratorMIPS::DoDrop() {
+}
+
+void InterpreterGeneratorMIPS::DoReturn() {
+}
+
+void InterpreterGeneratorMIPS::DoReturnNull() {
+}
+
+void InterpreterGeneratorMIPS::DoBranchWide() {
+}
+
+void InterpreterGeneratorMIPS::DoBranchIfTrueWide() {
+}
+
+void InterpreterGeneratorMIPS::DoBranchIfFalseWide() {
+}
+
+void InterpreterGeneratorMIPS::DoBranchBack() {
+}
+
+void InterpreterGeneratorMIPS::DoBranchBackIfTrue() {
+}
+
+void InterpreterGeneratorMIPS::DoBranchBackIfFalse() {
+}
+
+void InterpreterGeneratorMIPS::DoBranchBackWide() {
+}
+
+void InterpreterGeneratorMIPS::DoBranchBackIfTrueWide() {
+}
+
+void InterpreterGeneratorMIPS::DoBranchBackIfFalseWide() {
+}
+
+void InterpreterGeneratorMIPS::DoPopAndBranchWide() {
+}
+
+void InterpreterGeneratorMIPS::DoPopAndBranchBackWide() {
+}
+
+void InterpreterGeneratorMIPS::DoAllocate() {
+}
+
+void InterpreterGeneratorMIPS::DoAllocateImmutable() {
+}
+
+void InterpreterGeneratorMIPS::DoAllocateBoxed() {
+}
+
+void InterpreterGeneratorMIPS::DoNegate() {
+}
+
+void InterpreterGeneratorMIPS::DoStackOverflowCheck() {
+}
+
+void InterpreterGeneratorMIPS::DoThrowAfterSaveState(Label* resume) {
+}
+
+void InterpreterGeneratorMIPS::DoThrow() {
+}
+
+void InterpreterGeneratorMIPS::DoSubroutineCall() {
+}
+
+void InterpreterGeneratorMIPS::DoSubroutineReturn() {
+}
+
+void InterpreterGeneratorMIPS::DoProcessYield() {
+}
+
+void InterpreterGeneratorMIPS::DoCoroutineChange() {
+}
+
+void InterpreterGeneratorMIPS::DoIdentical() {
+}
+
+void InterpreterGeneratorMIPS::DoIdenticalNonNumeric() {
+}
+
+void InterpreterGeneratorMIPS::DoEnterNoSuchMethod() {
+}
+
+void InterpreterGeneratorMIPS::DoExitNoSuchMethod() {
+}
+
+void InterpreterGeneratorMIPS::DoMethodEnd() {
+}
+
+void InterpreterGeneratorMIPS::DoIntrinsicObjectEquals() {
+}
+
+void InterpreterGeneratorMIPS::DoIntrinsicGetField() {
+}
+
+void InterpreterGeneratorMIPS::DoIntrinsicSetField() {
+}
+
+void InterpreterGeneratorMIPS::DoIntrinsicListIndexGet() {
+}
+
+void InterpreterGeneratorMIPS::DoIntrinsicListIndexSet() {
+}
+
+void InterpreterGeneratorMIPS::DoIntrinsicListLength() {
+}
+
+void InterpreterGeneratorMIPS::Push(Register reg) {
+}
+
+void InterpreterGeneratorMIPS::Return(bool is_return_null) {
+}
+
+void InterpreterGeneratorMIPS::LoadLocal(Register reg, int index) {
+}
+
+void InterpreterGeneratorMIPS::StoreLocal(Register reg, int index) {
+}
+
+void InterpreterGeneratorMIPS::Drop(int n) {
+}
+
+void InterpreterGeneratorMIPS::Drop(Register reg) {
+}
+
+void InterpreterGeneratorMIPS::DropNAndSetTop(int dropping_slots,
+                                              Register reg) {
+}
+
+void InterpreterGeneratorMIPS::LoadFramePointer(Register reg) {
+}
+
+void InterpreterGeneratorMIPS::StoreFramePointer(Register reg) {
+}
+
+void InterpreterGeneratorMIPS::SaveByteCodePointer(Register scratch) {
+}
+
+void InterpreterGeneratorMIPS::RestoreByteCodePointer(Register scratch) {
+}
+
+void InterpreterGeneratorMIPS::PushFrameDescriptor(Register return_address,
+                                                   Register scratch) {
+}
+
+void InterpreterGeneratorMIPS::ReadFrameDescriptor(Register scratch) {
+}
+
+void InterpreterGeneratorMIPS::InvokeMethodUnfold(bool test) {
+}
+
+void InterpreterGeneratorMIPS::InvokeMethod(bool test) {
+}
+
+void InterpreterGeneratorMIPS::InvokeNative(bool yield, bool safepoint) {
+}
+
+void InterpreterGeneratorMIPS::InvokeStatic() {
+}
+
+void InterpreterGeneratorMIPS::Allocate(bool immutable) {
+}
+
+void InterpreterGeneratorMIPS::AddToRememberedSet(Register object,
+                                                  Register value,
+                                                  Register scratch) {
+}
+
+void InterpreterGeneratorMIPS::InvokeCompare(const char* fallback,
+                                             Condition cond) {
+}
+
+void InterpreterGeneratorMIPS::ConditionalStore(Register cmp,
+                                                Register reg_if_eq,
+                                                Register reg_if_ne,
+                                                const Address& address) {
+}
+
+void InterpreterGeneratorMIPS::CheckStackOverflow(int size) {
+}
+
+void InterpreterGeneratorMIPS::Dispatch(int size) {
+}
+
+void InterpreterGeneratorMIPS::SaveState(Label* resume) {
+}
+
+void InterpreterGeneratorMIPS::RestoreState() {
+}
+}  // namespace dartino
+#endif  // defined DARTINO_TARGET_MIPS