C++ (Cpp) CodeBuffer::blob示例

// Inform CodeBuffer that incoming code and relocation will be for stubs
address AbstractAssembler::start_a_stub(int required_space) {
  CodeBuffer*  cb = code();
  CodeSection* cs = cb->stubs();
  assert(_code_section == cb->insts(), "not in insts?");
  if (cs->maybe_expand_to_ensure_remaining(required_space)
      && cb->blob() == NULL) {
    return NULL;
  }
  set_code_section(cs);
  return pc();
}

示例#2

显示文件

文件： assembler.cpp 项目： stkaushal/jdk8_tl

// Inform CodeBuffer that incoming code and relocation will be for stubs
address AbstractAssembler::start_a_const(int required_space, int required_align) {
  CodeBuffer*  cb = code();
  CodeSection* cs = cb->consts();
  assert(_code_section == cb->insts() || _code_section == cb->stubs(), "not in insts/stubs?");
  address end = cs->end();
  int pad = -(intptr_t)end & (required_align-1);
  if (cs->maybe_expand_to_ensure_remaining(pad + required_space)) {
    if (cb->blob() == NULL)  return NULL;
    end = cs->end();  // refresh pointer
  }
  if (pad > 0) {
    while (--pad >= 0) { *end++ = 0; }
    cs->set_end(end);
  }
  set_code_section(cs);
  return end;
}