Version 3.7.1

src/ia32/disasm-ia32.cc

 // 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 161 matching lines @@
   const char* mnem;
   InstructionType type;
   OperandOrder op_order_;
 };
 
 
 class InstructionTable {
  public:
   InstructionTable();
   const InstructionDesc& Get(byte x) const { return instructions_[x]; }
+  static InstructionTable* get_instance() {
+    static InstructionTable table;
+    return &table;
+  }
 
  private:
   InstructionDesc instructions_[256];
   void Clear();
   void Init();
   void CopyTable(const ByteMnemonic bm[], InstructionType type);
   void SetTableRange(InstructionType type,
                      byte start,
                      byte end,
                      const char* mnem);
@@ skipping 60 matching lines @@
 void InstructionTable::AddJumpConditionalShort() {
   for (byte b = 0x70; b <= 0x7F; b++) {
     InstructionDesc* id = &instructions_[b];
     ASSERT_EQ(NO_INSTR, id->type);  // Information not already entered.
     id->mnem = jump_conditional_mnem[b & 0x0F];
     id->type = JUMP_CONDITIONAL_SHORT_INSTR;
   }
 }
 
 
-static InstructionTable instruction_table;
-
-
 // The IA32 disassembler implementation.
 class DisassemblerIA32 {
  public:
   DisassemblerIA32(const NameConverter& converter,
                    bool abort_on_unimplemented = true)
       : converter_(converter),
+        instruction_table_(InstructionTable::get_instance()),
         tmp_buffer_pos_(0),
         abort_on_unimplemented_(abort_on_unimplemented) {
     tmp_buffer_[0] = '\0';
   }
 
   virtual ~DisassemblerIA32() {}
 
   // Writes one disassembled instruction into 'buffer' (0-terminated).
   // Returns the length of the disassembled machine instruction in bytes.
   int InstructionDecode(v8::internal::Vector<char> buffer, byte* instruction);
 
  private:
   const NameConverter& converter_;
+  InstructionTable* instruction_table_;
   v8::internal::EmbeddedVector<char, 128> tmp_buffer_;
   unsigned int tmp_buffer_pos_;
   bool abort_on_unimplemented_;
 
-
   enum {
     eax = 0,
     ecx = 1,
     edx = 2,
     ebx = 3,
     esp = 4,
     ebp = 5,
     esi = 6,
     edi = 7
   };
@@ skipping 578 matching lines @@
   // We use these two prefixes only with branch prediction
   if (*data == 0x3E /*ds*/) {
     branch_hint = "predicted taken";
     data++;
   } else if (*data == 0x2E /*cs*/) {
     branch_hint = "predicted not taken";
     data++;
   }
   bool processed = true;  // Will be set to false if the current instruction
                           // is not in 'instructions' table.
-  const InstructionDesc& idesc = instruction_table.Get(*data);
+  const InstructionDesc& idesc = instruction_table_->Get(*data);
   switch (idesc.type) {
     case ZERO_OPERANDS_INSTR:
       AppendToBuffer(idesc.mnem);
       data++;
       break;
 
     case TWO_OPERANDS_INSTR:
       data++;
       data += PrintOperands(idesc.mnem, idesc.op_order_, data);
       break;
@@ skipping 749 matching lines @@
       fprintf(f, "  ");
     }
     fprintf(f, "  %s\n", buffer.start());
   }
 }
 
 
 }  // namespace disasm
 
 #endif  // V8_TARGET_ARCH_IA32