[builtins] Introduce a builtin for Abort().

src/ia32/macro-assembler-ia32.cc

Index: src/ia32/macro-assembler-ia32.cc
diff --git a/src/ia32/macro-assembler-ia32.cc b/src/ia32/macro-assembler-ia32.cc
index 1a9d70dda5d171537ad23a34166b95c8276f348d..f97761788b8b78954b21a4a317b5e2cb73f33ec2 100644
--- a/src/ia32/macro-assembler-ia32.cc
+++ b/src/ia32/macro-assembler-ia32.cc
@@ -2951,16 +2951,17 @@ void MacroAssembler::Abort(BailoutReason reason) {
     return;
   }
 #endif
-
-  push(Immediate(reinterpret_cast<intptr_t>(Smi::FromInt(reason))));
+  // Check if Abort() has already been initialized.
+  DCHECK(isolate()->builtins()->Abort()->IsHeapObject());
+  Move(edx, Smi::FromInt(static_cast<int>(reason)));

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

nit: Empty newline before and after this block 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
   int3();