Hide some runtime functions.

src/mips/macro-assembler-mips.cc

 // Copyright 2012 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 3968 matching lines @@
   if (restore_context) {
     lw(cp, *context_restore_operand);
   }
   li(s0, Operand(stack_space));
   LeaveExitFrame(false, s0, !restore_context, EMIT_RETURN);
 
   bind(&promote_scheduled_exception);
   {
     FrameScope frame(this, StackFrame::INTERNAL);
     CallExternalReference(
-        ExternalReference(Runtime::kPromoteScheduledException, isolate()),
+        ExternalReference(Runtime::kHiddenPromoteScheduledException, isolate()),
         0);
   }
   jmp(&exception_handled);
 
   // HandleScope limit has changed. Delete allocated extensions.
   bind(&delete_allocated_handles);
   sw(s1, MemOperand(s3, kLimitOffset));
   mov(s0, v0);
   mov(a0, v0);
   PrepareCallCFunction(1, s1);
@@ skipping 1444 matching lines @@
   }
 #endif
 
   li(a0, Operand(Smi::FromInt(reason)));
   push(a0);
   // Disable stub call restrictions to always allow calls to throw.
   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::kThrowMessage, 1);
+    CallRuntime(Runtime::kHiddenThrowMessage, 1);
   } else {
-    CallRuntime(Runtime::kThrowMessage, 1);
+    CallRuntime(Runtime::kHiddenThrowMessage, 1);
   }
   // will not return here
   if (is_trampoline_pool_blocked()) {
     // If the calling code cares throw the exact number of
     // instructions generated, we insert padding here to keep the size
     // of the ThrowMessage macro constant.
     // Currently in debug mode with debug_code enabled the number of
     // generated instructions is 14, so we use this as a maximum value.
     static const int kExpectedThrowMessageInstructions = 14;
     int throw_instructions = InstructionsGeneratedSince(&throw_start);
@@ skipping 274 matching lines @@
   }
   if (ms.shift() > 0) sra(result, result, ms.shift());
   srl(at, dividend, 31);
   Addu(result, result, Operand(at));
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS