[interpreter] Add Interpreter{Entry,Exit}Trampoline builtins.

src/arm64/assembler-arm64.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_ARM64_ASSEMBLER_ARM64_H_
 #define V8_ARM64_ASSEMBLER_ARM64_H_
 
 #include <deque>
 #include <list>
 #include <map>
@@ skipping 382 matching lines @@
 // architectural SP alignment.
 // We chose x28 because it is contiguous with the other specific purpose
 // registers.
 STATIC_ASSERT(kJSSPCode == 28);
 ALIAS_REGISTER(Register, jssp, x28);
 ALIAS_REGISTER(Register, wjssp, w28);
 ALIAS_REGISTER(Register, fp, x29);
 ALIAS_REGISTER(Register, lr, x30);
 ALIAS_REGISTER(Register, xzr, x31);
 ALIAS_REGISTER(Register, wzr, w31);
+ALIAS_REGISTER(Register, kInterpreterBytecodeOffsetRegister, x19);
+ALIAS_REGISTER(Register, kInterpreterBytecodeArrayRegister, x20);
+ALIAS_REGISTER(Register, kInterpreterDispatchTableRegister, x21);
 
 // Keeps the 0 double value.
 ALIAS_REGISTER(FPRegister, fp_zero, d15);
 // Crankshaft double scratch register.
 ALIAS_REGISTER(FPRegister, crankshaft_fp_scratch, d29);
 // MacroAssembler double scratch registers.
 ALIAS_REGISTER(FPRegister, fp_scratch, d30);
 ALIAS_REGISTER(FPRegister, fp_scratch1, d30);
 ALIAS_REGISTER(FPRegister, fp_scratch2, d31);
 
@@ skipping 1895 matching lines @@
 class EnsureSpace BASE_EMBEDDED {
  public:
   explicit EnsureSpace(Assembler* assembler) {
     assembler->CheckBufferSpace();
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM64_ASSEMBLER_ARM64_H_