VM: More abstract interface for generating stub calls.

runtime/vm/assembler_arm64.h

 // Copyright (c) 2014, 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_ARM64_H_
 #define VM_ASSEMBLER_ARM64_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_arm64.h directly; use assembler.h instead.
 #endif
 
 #include "platform/assert.h"
 #include "platform/utils.h"
 #include "vm/constants_arm64.h"
 #include "vm/hash_map.h"
 #include "vm/longjump.h"
 #include "vm/object.h"
 #include "vm/simulator.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_) { }
   Immediate& operator=(const Immediate& other) {
     value_ = other.value_;
     return *this;
   }
@@ skipping 1162 matching lines @@
   void SmiTag(Register dst, Register src) {
     LslImmediate(dst, src, kSmiTagSize);
   }
 
   // Branching to ExternalLabels.
   void Branch(const ExternalLabel* label) {
     LoadExternalLabel(TMP, label);
     br(TMP);
   }
 
+  void Branch(const StubEntry& stub_entry);
+
   // Fixed length branch to label.
   void BranchPatchable(const ExternalLabel* label) {
     // TODO(zra): Use LoadExternalLabelFixed if possible.
     LoadImmediateFixed(TMP, label->address());
     br(TMP);
   }
 
+  void BranchPatchable(const StubEntry& stub_entry);
+
   void BranchLink(const ExternalLabel* label) {
     LoadExternalLabel(TMP, label);
     blr(TMP);
   }
 
+  void BranchLink(const StubEntry& stub_entry);
+
   // BranchLinkPatchable must be a fixed-length sequence so we can patch it
   // with the debugger.
   void BranchLinkPatchable(const ExternalLabel* label) {
     LoadExternalLabelFixed(TMP, label, kPatchable);
     blr(TMP);
   }
 
+  void BranchLinkPatchable(const StubEntry& stub_entry);
+
   // Macros accepting a pp Register argument may attempt to load values from
   // the object pool when possible. Unless you are sure that the untagged object
   // pool pointer is in another register, or that it is not available at all,
   // PP should be passed for pp.
   void AddImmediate(Register dest, Register rn, int64_t imm);
   void AddImmediateSetFlags(Register dest, Register rn, int64_t imm);
   void SubImmediateSetFlags(Register dest, Register rn, int64_t imm);
   void AndImmediate(Register rd, Register rn, int64_t imm);
   void OrImmediate(Register rd, Register rn, int64_t imm);
   void XorImmediate(Register rd, Register rn, int64_t imm);
@@ skipping 699 matching lines @@
                                   Register value,
                                   Label* no_update);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_ARM64_H_