VM: New calling convention for generated code.

runtime/vm/instructions_arm64.h

Index: runtime/vm/instructions_arm64.h
diff --git a/runtime/vm/instructions_arm64.h b/runtime/vm/instructions_arm64.h
index 430be0f169df52a20b1e6bf640b0d2864d13d40d..34bc3326d12dc8f6946fdeeb2948114b05e52a66 100644
--- a/runtime/vm/instructions_arm64.h
+++ b/runtime/vm/instructions_arm64.h
@@ -61,14 +61,14 @@ 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 kLengthInBytes = 5 * Instr::kInstrSize;
+  static const int kDeoptCallLengthInBytes = 5 * Instr::kInstrSize;
 
-  static void InsertAt(uword pc, uword target_address);
+  static void InsertDeoptCallAt(uword pc, uword target_address);
 
  private:
   const ObjectPool& object_pool_;
@@ -76,7 +76,7 @@ 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);
@@ -87,8 +87,8 @@ 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;
@@ -98,33 +98,12 @@ 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);
-
-  static const int kLengthInBytes = 5 * 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);