X64: Implement CEntryStub and JSEntryTrampoline.

src/x64/assembler-x64.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 59 matching lines @@
 // doing certain constant folds, which may significantly reduce the
 // code generated for some assembly instructions (because they boil down
 // to a few constants). If this is a problem, we could change the code
 // such that we use an enum in optimized mode, and the struct in debug
 // mode. This way we get the compile-time error checking in debug mode
 // and best performance in optimized code.
 //
 
 struct Register {
   static Register toRegister(int code) {
-    Register r = {code};
+    Register r = { code };
     return r;
   }
   bool is_valid() const  { return 0 <= code_ && code_ < 16; }
   bool is(Register reg) const  { return code_ == reg.code_; }
   // The byte-register distinction of ai32 has dissapeared.
   bool is_byte_register() const  { return false; }
   int code() const  {
     ASSERT(is_valid());
     return code_;
   }
   int bit() const  {
-    UNIMPLEMENTED();
-    return 0;
+    return 1 << code_;
   }
 
-  // (unfortunately we can't make this private in a struct)
+  // (unfortunately we can't make this private in a struct when initializing
+  // by assignment.)
   int code_;
 };
 
 extern Register rax;
 extern Register rcx;
 extern Register rdx;
 extern Register rbx;
 extern Register rsp;
 extern Register rbp;
 extern Register rsi;
@@ skipping 136 matching lines @@
   kTimes4 = 2,
   kTimes8 = 3,
   kTimesIntSize = kTimes4,
   kTimesPointerSize = kTimes8
 };
 
 
 class Operand BASE_EMBEDDED {
  public:
   // [base + disp/r]
-  INLINE(Operand(Register base, int32_t disp));
+  Operand(Register base, int32_t disp);
 
   // [base + index*scale + disp/r]
   Operand(Register base,
           Register index,
           ScaleFactor scale,
           int32_t disp);
 
   // [index*scale + disp/r]
   Operand(Register index,
           ScaleFactor scale,
@@ skipping 163 matching lines @@
   void movl(Register dst, Immediate imm32);
 
   void movq(Register dst, int32_t imm32);
   void movq(Register dst, const Operand& src);
   // Sign extends immediate 32-bit value to 64 bits.
   void movq(Register dst, Immediate x);
   void movq(Register dst, Register src);
 
   // Move 64 bit register value to 64-bit memory location.
   void movq(const Operand& dst, Register src);
-
+  // Move sign extended immediate to memory location.
+  void movq(const Operand& dst, Immediate value);
   // New x64 instructions to load a 64-bit immediate into a register.
   // All 64-bit immediates must have a relocation mode.
   void movq(Register dst, void* ptr, RelocInfo::Mode rmode);
   void movq(Register dst, int64_t value, RelocInfo::Mode rmode);
   void movq(Register dst, const char* s, RelocInfo::Mode rmode);
   // Moves the address of the external reference into the register.
   void movq(Register dst, ExternalReference ext);
   void movq(Register dst, Handle<Object> handle, RelocInfo::Mode rmode);
 
-
   // New x64 instruction to load from an immediate 64-bit pointer into RAX.
   void load_rax(void* ptr, RelocInfo::Mode rmode);
   void load_rax(ExternalReference ext);
 
   void movsx_b(Register dst, const Operand& src);
 
   void movsx_w(Register dst, const Operand& src);
 
   void movzx_b(Register dst, const Operand& src);
 
@@ skipping 182 matching lines @@
   void sub(const Operand& dst, Immediate src) {
     immediate_arithmetic_op(0x5, dst, src);
   }
 
   void testb(Register reg, Immediate mask);
   void testb(const Operand& op, Immediate mask);
   void testl(Register reg, Immediate mask);
   void testl(const Operand& op, Immediate mask);
   void testq(const Operand& op, Register reg);
   void testq(Register dst, Register src);
+  void testq(Register dst, Immediate mask);
 
   void xor_(Register dst, Register src) {
     arithmetic_op(0x33, dst, src);
   }
 
   void xor_(Register dst, const Operand& src) {
     arithmetic_op(0x33, dst, src);
   }
 
   void xor_(const Operand& dst, Register src) {
@@ skipping 374 matching lines @@
  private:
   Assembler* assembler_;
 #ifdef DEBUG
   int space_before_;
 #endif
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_ASSEMBLER_X64_H_