C++ (Cpp) add_cp_cache_entryの例

コード例 #1

ファイル: rewriter.cpp プロジェクト: 641252154/HotSpot-JVM-Linux-x86-Research

// Computes a CPC map (new_index -> original_index) for constant pool entries
// that are referred to by the interpreter at runtime via the constant pool cache.
// Also computes a CP map (original_index -> new_index).
// Marks entries in CP which require additional processing.
void Rewriter::compute_index_maps() {
  const int length  = _pool->length();
  init_cp_map(length);
  bool saw_mh_symbol = false;
  for (int i = 0; i < length; i++) {
    int tag = _pool->tag_at(i).value();
    switch (tag) {
      case JVM_CONSTANT_InterfaceMethodref:
      case JVM_CONSTANT_Fieldref          : // fall through
      case JVM_CONSTANT_Methodref         : // fall through
      case JVM_CONSTANT_MethodHandle      : // fall through
      case JVM_CONSTANT_MethodType        : // fall through
      case JVM_CONSTANT_InvokeDynamic     : // fall through
        add_cp_cache_entry(i);
        break;
      case JVM_CONSTANT_Utf8:
        if (_pool->symbol_at(i) == vmSymbols::java_lang_invoke_MethodHandle())
          saw_mh_symbol = true;
        break;
    }
  }

  guarantee((int)_cp_cache_map.length()-1 <= (int)((u2)-1),
            "all cp cache indexes fit in a u2");

  if (saw_mh_symbol)
    _method_handle_invokers.initialize(length, (int)0);
}

コード例 #2

ファイル: rewriter.cpp プロジェクト: tetratec/Runescape-Launcher

// Computes a CPC map (new_index -> original_index) for constant pool entries
// that are referred to by the interpreter at runtime via the constant pool cache.
// Also computes a CP map (original_index -> new_index).
// Marks entries in CP which require additional processing.
void Rewriter::compute_index_maps() {
  const int length  = _pool->length();
  init_cp_map(length);
  for (int i = 0; i < length; i++) {
    int tag = _pool->tag_at(i).value();
    switch (tag) {
      case JVM_CONSTANT_InterfaceMethodref:
      case JVM_CONSTANT_Fieldref          : // fall through
      case JVM_CONSTANT_Methodref         : // fall through
        add_cp_cache_entry(i);
        break;
    }
  }

  guarantee((int)_cp_cache_map.length()-1 <= (int)((u2)-1),
            "all cp cache indexes fit in a u2");
}

コード例 #3

ファイル: rewriter.cpp プロジェクト: AllenWeb/jdk7u-hotspot

// Computes a CPC map (new_index -> original_index) for constant pool entries
// that are referred to by the interpreter at runtime via the constant pool cache.
// Also computes a CP map (original_index -> new_index).
// Marks entries in CP which require additional processing.
void Rewriter::compute_index_maps() {
  const int length  = _pool->length();
  init_cp_map(length);
  jint tag_mask = 0;
  for (int i = 0; i < length; i++) {
    int tag = _pool->tag_at(i).value();
    tag_mask |= (1 << tag);
    switch (tag) {
      case JVM_CONSTANT_InterfaceMethodref:
      case JVM_CONSTANT_Fieldref          : // fall through
      case JVM_CONSTANT_Methodref         : // fall through
      case JVM_CONSTANT_MethodHandle      : // fall through
      case JVM_CONSTANT_MethodType        : // fall through
      case JVM_CONSTANT_InvokeDynamic     : // fall through
        add_cp_cache_entry(i);
        break;
    }
  }

  guarantee((int)_cp_cache_map.length()-1 <= (int)((u2)-1),
            "all cp cache indexes fit in a u2");

  _have_invoke_dynamic = ((tag_mask & (1 << JVM_CONSTANT_InvokeDynamic)) != 0);
}

コード例 #4

ファイル: rewriter.hpp プロジェクト: AllenWeb/jdk7u-hotspot

 int maybe_add_cp_cache_entry(int i) { return has_cp_cache(i) ? _cp_map[i] : add_cp_cache_entry(i); }