MIPS: Support pass-through of stub caller arguments

src/mips/code-stubs-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 7976 matching lines @@
   __ Ret(USE_DELAY_SLOT);
   __ mov(v0, a0);
 }
 
 
 void StubFailureTrampolineStub::Generate(MacroAssembler* masm) {
   ASSERT(!Serializer::enabled());
   bool save_fp_regs = CpuFeatures::IsSupported(FPU);
   CEntryStub ces(1, save_fp_regs ? kSaveFPRegs : kDontSaveFPRegs);
   __ Call(ces.GetCode(), RelocInfo::CODE_TARGET);
+  int parameter_count_offset =
+      StubFailureTrampolineFrame::kCallerStackParameterCountFrameOffset;
+  __ lw(a1, MemOperand(fp, parameter_count_offset));
   masm->LeaveFrame(StackFrame::STUB_FAILURE_TRAMPOLINE);
+  __ sll(a1, a1, kPointerSizeLog2);
+  __ Addu(sp, sp, a1);
   __ Ret();
 }
 
 
 void ProfileEntryHookStub::MaybeCallEntryHook(MacroAssembler* masm) {
   if (entry_hook_ != NULL) {
     ProfileEntryHookStub stub;
     __ push(ra);
     __ CallStub(&stub);
     __ pop(ra);
@@ skipping 49 matching lines @@
   __ Pop(ra, t1, a1);
   __ Ret();
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS