Support for MIPS architecture.

src/mips/codegen-mips.cc

 // Copyright 2010 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 63 matching lines @@
       function_return_is_shadowed_(false) {
 }
 
 
 // Calling conventions:
 // s8_fp: caller's frame pointer
 // sp: stack pointer
 // a1: called JS function
 // cp: callee's context
 
-void CodeGenerator::Generate(CompilationInfo* info, Mode mode) {
+void CodeGenerator::Generate(CompilationInfo* infomode) {
   UNIMPLEMENTED_MIPS();
 }
 
 
 void CodeGenerator::VisitStatements(ZoneList<Statement*>* statements) {
   UNIMPLEMENTED_MIPS();
 }
 
 
 void CodeGenerator::VisitBlock(Block* node) {
@@ skipping 365 matching lines @@
   __ break_(0x826);
 }
 
 void CEntryStub::Generate(MacroAssembler* masm) {
   UNIMPLEMENTED_MIPS();
   __ break_(0x831);
 }
 
 void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
   UNIMPLEMENTED_MIPS();
+
+  // Save callee saved registers on the stack.
+  __ MultiPush(kCalleeSaved | ra.bit());
+
+  // ********** State **********
+  //
+  // * Registers:
+  // a0: entry_address
+  // a1: function
+  // a2: reveiver_pointer
+  // a3: argc
+  //
+  // * Stack:
+  // ---------------------------
+  // args
+  // ---------------------------
+  // 4 args slots
+  // ---------------------------
+  // callee saved registers + ra
+  // ---------------------------
+  //
+  // ***************************
+
+  __ break_(0x1234);
+
+  // Restore callee saved registers from the stack.
+  __ MultiPop(kCalleeSaved | ra.bit());
+
   // Load a result.
   __ li(v0, Operand(0x1234));
   __ jr(ra);
   // Return
   __ nop();
 }
 
 
 // This stub performs an instanceof, calling the builtin function if
 // necessary.  Uses a1 for the object, a0 for the function that it may
@@ skipping 31 matching lines @@
 int CompareStub::MinorKey() {
   // Encode the two parameters in a unique 16 bit value.
   ASSERT(static_cast<unsigned>(cc_) >> 28 < (1 << 15));
   return (static_cast<unsigned>(cc_) >> 27) | (strict_ ? 1 : 0);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal