VM: More abstract interface for generating stub calls.

runtime/vm/assembler_arm.h

Index: runtime/vm/assembler_arm.h
diff --git a/runtime/vm/assembler_arm.h b/runtime/vm/assembler_arm.h
index e15590093e4c5088673a512c13b5ef47c3ac03ef..8218bb9faa85971e0412ebf7395d334c5a4529c8 100644
--- a/runtime/vm/assembler_arm.h
+++ b/runtime/vm/assembler_arm.h
@@ -21,6 +21,7 @@ namespace dart {
 
 // Forward declarations.
 class RuntimeEntry;
+class StubEntry;
 
 class Label : public ValueObject {
  public:
@@ -608,17 +609,22 @@ class Assembler : public ValueObject {
   // Macros.
   // Branch to an entry address. Call sequence is never patched.
   void Branch(const ExternalLabel* label, Condition cond = AL);
+  void Branch(const StubEntry& stub_entry, Condition cond = AL);
 
   // Branch to an entry address. Call sequence can be patched or even replaced.
   void BranchPatchable(const ExternalLabel* label);
+  void BranchPatchable(const StubEntry& stub_entry);
 
   // Branch and link to an entry address. Call sequence is never patched.
   void BranchLink(const ExternalLabel* label);
+  void BranchLink(const StubEntry& stub_entry);
 
   void BranchLink(const ExternalLabel* label, Patchability patchable);
+  void BranchLink(const StubEntry& stub_entry, Patchability patchable);
 
   // Branch and link to an entry address. Call sequence can be patched.
   void BranchLinkPatchable(const ExternalLabel* label);
+  void BranchLinkPatchable(const StubEntry& stub_entry);
 
   // Branch and link to [base + offset]. Call sequence is never patched.
   void BranchLinkOffset(Register base, int32_t offset);