[builtins] Introduce a builtin for Abort().

src/arm/macro-assembler-arm.cc

Index: src/arm/macro-assembler-arm.cc
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index 2fbd1cf1f8afd7e96221a6bbe20e82dac39b578e..7c134ee9fad4020d1a6f8eac63c40f47a5afa3b3 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -2965,17 +2965,17 @@ void MacroAssembler::Abort(BailoutReason reason) {
   }
 #endif
 
-  mov(r0, Operand(Smi::FromInt(reason)));
-  push(r0);
-
+  // Check if Abort() has already been initialized.
+  DCHECK(isolate()->builtins()->Abort()->IsHeapObject());
+  Move(r1, Smi::FromInt(static_cast<int>(reason)));

[Michael Starzinger, 2016/07/18 08:51:11]

nit: Empty newline after "Move" for readability.

[ahaas, 2016/07/18 09:04:16]

Done

   // Disable stub call restrictions to always allow calls to abort.
   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);
   }
   // will not return here
   if (is_const_pool_blocked()) {