Submit code-stubs-mips.cc.

src/mips/macro-assembler-mips.h

 // 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 563 matching lines @@
   // -------------------------------------------------------------------------
   // Activation frames.
 
   void EnterInternalFrame() { EnterFrame(StackFrame::INTERNAL); }
   void LeaveInternalFrame() { LeaveFrame(StackFrame::INTERNAL); }
 
   void EnterConstructFrame() { EnterFrame(StackFrame::CONSTRUCT); }
   void LeaveConstructFrame() { LeaveFrame(StackFrame::CONSTRUCT); }
 
   // Enter exit frame.
-  // Expects the number of arguments in register a0 and
-  // the builtin function to call in register a1.
-  // On output hold_argc, hold_function, and hold_argv are setup.
-  void EnterExitFrame(Register hold_argc,
-                      Register hold_argv,
-                      Register hold_function,
-                      bool save_doubles);
+  // argc - argument count to be dropped by LeaveExitFrame.
+  // save_doubles - saves FPU registers on stack, currently disabled.
+  // stack_space - extra stack space.
+  void EnterExitFrame(bool save_doubles,
+                      int stack_space = 0);
 
-  // Leave the current exit frame. Expects the return value in v0.
-  void LeaveExitFrame(bool save_doubles);
-
-  // Align the stack by optionally pushing a Smi zero.
-  void AlignStack(int offset);    // TODO(mips) : remove this function.
+  // Leave the current exit frame.
+  void LeaveExitFrame(bool save_doubles, Register arg_count);
 
   // Get the actual activation frame alignment for target environment.
   static int ActivationFrameAlignment();
 
+  // Make sure the stack is aligned. Only emits code in debug mode.
+  void AssertStackIsAligned();
+
   void LoadContext(Register dst, int context_chain_length);
 
   void LoadGlobalFunction(int index, Register function);
 
   // Load the initial map from the global function. The registers
   // function and map can be the same, function is then overwritten.
   void LoadGlobalFunctionInitialMap(Register function,
                                     Register map,
                                     Register scratch);
 
@@ skipping 51 matching lines @@
 
   // Push a new try handler and link into try handler chain.
   // The return address must be passed in register ra.
   // Clobber t0, t1, t2.
   void PushTryHandler(CodeLocation try_location, HandlerType type);
 
   // Unlink the stack handler on top of the stack from the try handler chain.
   // Must preserve the result register.
   void PopTryHandler();
 
+  // Passes thrown value (in v0) to the handler of top of the try handler chain.
+  void Throw(Register value);
+
+  // Propagates an uncatchable exception to the top of the current JS stack's
+  // handler chain.
+  void ThrowUncatchable(UncatchableExceptionType type, Register value);
+
   // Copies a fixed number of fields of heap objects from src to dst.
   void CopyFields(Register dst, Register src, RegList temps, int field_count);
 
   // Copies a number of bytes from src to dst. All registers are clobbered. On
   // exit src and dst will point to the place just after where the last byte was
   // read or written and length will be zero.
   void CopyBytes(Register src,
                  Register dst,
                  Register length,
                  Register scratch);
@@ skipping 101 matching lines @@
     Ret(ge, overflow_check, Operand(zero_reg), bd);
   }
 
   // -------------------------------------------------------------------------
   // Runtime calls.
 
   // Call a code stub.
   void CallStub(CodeStub* stub, Condition cond = cc_always,
                 Register r1 = zero_reg, const Operand& r2 = Operand(zero_reg));
 
+  // Call a code stub and return the code object called.  Try to generate
+  // the code if necessary.  Do not perform a GC but instead return a retry
+  // after GC failure.
+  MUST_USE_RESULT MaybeObject* TryCallStub(CodeStub* stub,
+                                           Condition cond = cc_always,
+                                           Register r1 = zero_reg,
+                                           const Operand& r2 =
+                                               Operand(zero_reg));
+
   // Tail call a code stub (jump).
   void TailCallStub(CodeStub* stub);
 
+  // Tail call a code stub (jump) and return the code object called.  Try to
+  // generate the code if necessary.  Do not perform a GC but instead return
+  // a retry after GC failure.
+  MUST_USE_RESULT MaybeObject* TryTailCallStub(CodeStub* stub,
+                                               Condition cond = cc_always,
+                                               Register r1 = zero_reg,
+                                               const Operand& r2 =
+                                                   Operand(zero_reg));
+
   void CallJSExitStub(CodeStub* stub);
 
   // Call a runtime routine.
   void CallRuntime(const Runtime::Function* f, int num_arguments);
   void CallRuntimeSaveDoubles(Runtime::FunctionId id);
 
   // Convenience function: Same as above, but takes the fid instead.
   void CallRuntime(Runtime::FunctionId fid, int num_arguments);
 
   // Convenience function: call an external reference.
   void CallExternalReference(const ExternalReference& ext,
                              int num_arguments);
 
   // Tail call of a runtime routine (jump).
   // Like JumpToExternalReference, but also takes care of passing the number
   // of parameters.
   void TailCallExternalReference(const ExternalReference& ext,
                                  int num_arguments,
                                  int result_size);
 
+  // Tail call of a runtime routine (jump). Try to generate the code if
+  // necessary. Do not perform a GC but instead return a retry after GC
+  // failure.
+  MUST_USE_RESULT MaybeObject* TryTailCallExternalReference(
+      const ExternalReference& ext, int num_arguments, int result_size);
+
   // Convenience function: tail call a runtime routine (jump).
   void TailCallRuntime(Runtime::FunctionId fid,
                        int num_arguments,
                        int result_size);
 
   // Before calling a C-function from generated code, align arguments on stack
   // and add space for the four mips argument slots.
   // After aligning the frame, non-register arguments must be stored on the
   // stack, after the argument-slots using helper: CFunctionArgumentOperand().
   // The argument count assumes all arguments are word sized.
   // Some compilers/platforms require the stack to be aligned when calling
   // C++ code.
   // Needs a scratch register to do some arithmetic. This register will be
   // trashed.
   void PrepareCallCFunction(int num_arguments, Register scratch);
 
   // Arguments 1-4 are placed in registers a0 thru a3 respectively.
   // Arguments 5..n are stored to stack using following:
   //  sw(t0, CFunctionArgumentOperand(5));
 
   // Calls a C function and cleans up the space for arguments allocated
   // by PrepareCallCFunction. The called function is not allowed to trigger a
   // garbage collection, since that might move the code and invalidate the
   // return address (unless this is somehow accounted for by the called
   // function).
   void CallCFunction(ExternalReference function, int num_arguments);
   void CallCFunction(Register function, Register scratch, int num_arguments);
+  void GetCFunctionDoubleResult(const DoubleRegister dst);
 
-  void GetCFunctionDoubleResult(const DoubleRegister dst);
+  // Calls an API function. Allocates HandleScope, extracts returned value
+  // from handle and propagates exceptions. Restores context.
+  MaybeObject* TryCallApiFunctionAndReturn(ExternalReference function,
+                                           int stack_space);
 
   // Jump to the builtin routine.
   void JumpToExternalReference(const ExternalReference& builtin);
 
+  MaybeObject* TryJumpToExternalReference(const ExternalReference& ext);
+
   // Invoke specified builtin JavaScript function. Adds an entry to
   // the unresolved list if the name does not resolve.
   void InvokeBuiltin(Builtins::JavaScript id,
                      InvokeFlag flag,
                      const CallWrapper& call_wrapper = NullCallWrapper());
 
   // Store the code object for the given builtin in the target register and
   // setup the function in a1.
   void GetBuiltinEntry(Register target, Builtins::JavaScript id);
 
@@ skipping 271 matching lines @@
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_