ARM64: Introduce a version of ADR handling distant targets.

src/arm64/macro-assembler-arm64.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 237 matching lines @@
 #undef DECLARE_FUNCTION
 
   void LoadStoreMacro(const CPURegister& rt,
                       const MemOperand& addr,
                       LoadStoreOp op);
 
   // V8-specific load/store helpers.
   void Load(const Register& rt, const MemOperand& addr, Representation r);
   void Store(const Register& rt, const MemOperand& addr, Representation r);
 
+  enum AdrHint {
+    // The target must be within the immediate range of adr.
+    kAdrNear,
+    // The target may be outside of the immediate range of adr. Additional
+    // instructions may be emitted.
+    kAdrFar
+  };
+  void Adr(const Register& rd, Label* label, AdrHint = kAdrNear);
+
   // Remaining instructions are simple pass-through calls to the assembler.
-  inline void Adr(const Register& rd, Label* label);
   inline void Asr(const Register& rd, const Register& rn, unsigned shift);
   inline void Asr(const Register& rd, const Register& rn, const Register& rm);
 
   // Branch type inversion relies on these relations.
   STATIC_ASSERT((reg_zero      == (reg_not_zero ^ 1)) &&
                 (reg_bit_clear == (reg_bit_set ^ 1)) &&
                 (always        == (never ^ 1)));
 
   void B(Label* label, BranchType type, Register reg = NoReg, int bit = -1);
 
@@ skipping 2029 matching lines @@
 #error "Unsupported option"
 #define CODE_COVERAGE_STRINGIFY(x) #x
 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x)
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 #endif  // V8_ARM64_MACRO_ASSEMBLER_ARM64_H_