VM: New calling convention for generated code.

runtime/vm/instructions_mips.h

Index: runtime/vm/instructions_mips.h
diff --git a/runtime/vm/instructions_mips.h b/runtime/vm/instructions_mips.h
index 51875b5194e0facd1ebb2d4d885369274ad469ae..d3e784d66301d51f07a75d4852b09e2372a9501f 100644
--- a/runtime/vm/instructions_mips.h
+++ b/runtime/vm/instructions_mips.h
@@ -54,14 +54,12 @@ class CallPattern : public ValueObject {
 
   RawICData* IcData();
 
-  uword TargetAddress() const;
-  void SetTargetAddress(uword target_address) const;
+  RawCode* TargetCode() const;
+  void SetTargetCode(const Code& target) const;
 
-  // This constant length is only valid for inserted call patterns used for
-  // lazy deoptimization. Regular call pattern may vary in length.
-  static const int kFixedLengthInBytes = 4 * Instr::kInstrSize;
+  static const int kDeoptCallLengthInBytes = 4 * Instr::kInstrSize;
 
-  static void InsertAt(uword pc, uword target_address);
+  static void InsertDeoptCallAt(uword pc, uword target_address);
 
  private:
   const ObjectPool& object_pool_;
@@ -69,7 +67,7 @@ class CallPattern : public ValueObject {
   uword end_;
   uword ic_data_load_end_;
 
-  intptr_t target_address_pool_index_;
+  intptr_t target_code_pool_index_;
   ICData& ic_data_;
 
   DISALLOW_COPY_AND_ASSIGN(CallPattern);
@@ -80,8 +78,8 @@ class NativeCallPattern : public ValueObject {
  public:
   NativeCallPattern(uword pc, const Code& code);
 
-  uword target() const;
-  void set_target(uword target_address) const;
+  RawCode* target() const;
+  void set_target(const Code& target) const;
 
   NativeFunction native_function() const;
   void set_native_function(NativeFunction target) const;
@@ -91,34 +89,12 @@ class NativeCallPattern : public ValueObject {
 
   uword end_;
   intptr_t native_function_pool_index_;
-  intptr_t target_address_pool_index_;
+  intptr_t target_code_pool_index_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeCallPattern);
 };
 
 
-class JumpPattern : public ValueObject {
- public:
-  JumpPattern(uword pc, const Code& code);
-
-  // lui; ori; jr; nop (in delay slot) = 4.
-  static const int kLengthInBytes = 4*Instr::kInstrSize;
-
-  int pattern_length_in_bytes() const {
-    return kLengthInBytes;
-  }
-
-  bool IsValid() const;
-  uword TargetAddress() const;
-  void SetTargetAddress(uword target_address) const;
-
- private:
-  const uword pc_;
-
-  DISALLOW_COPY_AND_ASSIGN(JumpPattern);
-};
-
-
 class ReturnPattern : public ValueObject {
  public:
   explicit ReturnPattern(uword pc);