MIPS: port Explicitly pass the closure when allocating a catch or with context.

src/mips/full-codegen-mips.cc

 // Copyright 2011 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 4227 matching lines @@
   ASSERT_EQ(POINTER_SIZE_ALIGN(frame_offset), frame_offset);
   __ sw(value, MemOperand(fp, frame_offset));
 }
 
 
 void FullCodeGenerator::LoadContextField(Register dst, int context_index) {
   __ lw(dst, ContextOperand(cp, context_index));
 }
 
 
+void FullCodeGenerator::PushFunctionArgumentForContextAllocation() {
+  if (scope()->is_global_scope()) {
+    // Contexts nested in the global context have a canonical empty function
+    // as their closure, not the anonymous closure containing the global
+    // code.  Pass a smi sentinel and let the runtime look up the empty
+    // function.
+    __ li(at, Operand(Smi::FromInt(0)));
+  } else if (scope()->is_eval_scope()) {
+    // Contexts created by a call to eval have the same closure as the
+    // context calling eval, not the anonymous closure containing the eval
+    // code.  Fetch it from the context.
+    __ lw(at, ContextOperand(cp, Context::CLOSURE_INDEX));
+  } else {
+    ASSERT(scope()->is_function_scope());
+    __ lw(at, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
+  }
+  __ push(at);
+}
+
+
 // ----------------------------------------------------------------------------
 // Non-local control flow support.
 
 void FullCodeGenerator::EnterFinallyBlock() {
   ASSERT(!result_register().is(a1));
   // Store result register while executing finally block.
   __ push(result_register());
   // Cook return address in link register to stack (smi encoded Code* delta).
   __ Subu(a1, ra, Operand(masm_->CodeObject()));
   ASSERT_EQ(1, kSmiTagSize + kSmiShiftSize);
@@ skipping 14 matching lines @@
   __ Addu(at, a1, Operand(masm_->CodeObject()));
   __ Jump(at);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS