VM: More abstract interface for generating stub calls.

runtime/vm/assembler_x64.h

 // Copyright (c) 2013, the Dart 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 file.
 
 #ifndef VM_ASSEMBLER_X64_H_
 #define VM_ASSEMBLER_X64_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_x64.h directly; use assembler.h instead.
 #endif
 
 #include "platform/assert.h"
 #include "platform/utils.h"
 #include "vm/constants_x64.h"
 #include "vm/hash_map.h"
 #include "vm/object.h"
 
 namespace dart {
 
 // Forward declarations.
 class RuntimeEntry;
+class StubEntry;
 
 class Immediate : public ValueObject {
  public:
   explicit Immediate(int64_t value) : value_(value) { }
 
   Immediate(const Immediate& other) : ValueObject(), value_(other.value_) { }
 
   int64_t value() const { return value_; }
 
   bool is_int8() const { return Utils::IsInt(8, value_); }
@@ skipping 653 matching lines @@
 
   // Note: verified_mem mode forces far jumps.
   void j(Condition condition, Label* label, bool near = kFarJump);
   void j(Condition condition, const ExternalLabel* label);
 
   void jmp(Register reg);
   void jmp(const Address& address);
   // Note: verified_mem mode forces far jumps.
   void jmp(Label* label, bool near = kFarJump);
   void jmp(const ExternalLabel* label);
+  void jmp(const StubEntry& stub_entry);
 
   void lock();
   void cmpxchgl(const Address& address, Register reg);
   void lock_cmpxchgl(const Address& address, Register reg) {
     lock();
     cmpxchgl(address, reg);
   }
 
   void cmpxchgq(const Address& address, Register reg);
   void lock_cmpxchgq(const Address& address, Register reg) {
@@ skipping 54 matching lines @@
   void LoadIsolate(Register dst);
   void LoadObject(Register dst, const Object& obj);
   void LoadUniqueObject(Register dst, const Object& obj);
   void LoadExternalLabel(Register dst,
                          const ExternalLabel* label,
                          Patchability patchable);
   void LoadFunctionFromCalleePool(Register dst,
                                   const Function& function,
                                   Register new_pp);
   void JmpPatchable(const ExternalLabel* label, Register pp);
+  void JmpPatchable(const StubEntry& stub_entry, Register pp);
   void Jmp(const ExternalLabel* label, Register pp);
+  void Jmp(const StubEntry& stub_entry, Register pp);
   void J(Condition condition, const ExternalLabel* label, Register pp);
+  void J(Condition condition, const StubEntry& stub_entry, Register pp);
   void CallPatchable(const ExternalLabel* label);
+  void CallPatchable(const StubEntry& stub_entry);
   void Call(const ExternalLabel* label);
+  void Call(const StubEntry& stub_entry);
   // Unaware of write barrier (use StoreInto* methods for storing to objects).
   // TODO(koda): Add StackAddress/HeapAddress types to prevent misuse.
   void StoreObject(const Address& dst, const Object& obj);
   void PushObject(const Object& object);
   void CompareObject(Register reg, const Object& object);
 
   // When storing into a heap object field, knowledge of the previous content
   // is expressed through these constants.
   enum FieldContent {
     kEmptyOrSmiOrNull,  // Empty = garbage/zapped in release/debug mode.
@@ skipping 423 matching lines @@
 }
 
 
 inline void Assembler::EmitOperandSizeOverride() {
   EmitUint8(0x66);
 }
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_X64_H_