[builtins] Introduce a builtin for Abort().

src/arm64/macro-assembler-arm64.cc

 // 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.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 4635 matching lines @@
 
   // We need some scratch registers for the MacroAssembler, so make sure we have
   // some. This is safe here because Abort never returns.
   RegList old_tmp_list = TmpList()->list();
   TmpList()->Combine(MacroAssembler::DefaultTmpList());
 
   if (use_real_aborts()) {
     // Avoid infinite recursion; Push contains some assertions that use Abort.
     NoUseRealAbortsScope no_real_aborts(this);
 
-    Mov(x0, Smi::FromInt(reason));
-    Push(x0);
+    // Check if Abort() has already been initialized.
+    DCHECK(isolate()->builtins()->Abort()->IsHeapObject());
+
+    Move(x1, Smi::FromInt(static_cast<int>(reason)));
 
     if (!has_frame_) {
       // We don't actually want to generate a pile of code for this, so just
       // claim there is a stack frame, without generating one.
       FrameScope scope(this, StackFrame::NONE);
-      CallRuntime(Runtime::kAbort);
+      Call(isolate()->builtins()->Abort(), RelocInfo::CODE_TARGET);
     } else {
-      CallRuntime(Runtime::kAbort);
+      Call(isolate()->builtins()->Abort(), RelocInfo::CODE_TARGET);
     }
   } else {
     // Load the string to pass to Printf.
     Label msg_address;
     Adr(x0, &msg_address);
 
     // Call Printf directly to report the error.
     CallPrintf();
 
     // We need a way to stop execution on both the simulator and real hardware,
@@ skipping 475 matching lines @@
 }
 
 
 #undef __
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64