C++ (Cpp) NativeJump::next_instruction_address Beispiele

Beispiel #1

Datei: nativeInst_sparc.cpp Projekt: lmsf/jdk9-dev

// Code for unit testing implementation of NativeJump class
void NativeJump::test() {
#ifdef ASSERT
  ResourceMark rm;
  CodeBuffer cb("test", 100, 100);
  MacroAssembler* a = new MacroAssembler(&cb);
  NativeJump* nj;
  uint idx;
  int offsets[] = {
    0x0,
    0xffffffff,
    0x7fffffff,
    0x80000000,
    4096,
    4097,
    0x20,
    0x4000,
  };

  VM_Version::allow_all();

  AddressLiteral al(0x7fffbbbb, relocInfo::external_word_type);
  a->sethi(al, I3);
  a->jmpl(I3, al.low10(), G0, RelocationHolder::none);
  a->delayed()->nop();
  a->sethi(al, I3);
  a->jmpl(I3, al.low10(), L3, RelocationHolder::none);
  a->delayed()->nop();

  nj = nativeJump_at( cb.insts_begin() );
  nj->print();

  nj = nativeJump_at( nj->next_instruction_address() );
  for (idx = 0; idx < ARRAY_SIZE(offsets); idx++) {
    nj->set_jump_destination( nj->instruction_address() + offsets[idx] );
    assert(nj->jump_destination() == (nj->instruction_address() + offsets[idx]), "check unit test");
    nj->print();
  }

  VM_Version::revert();
#endif // ASSERT
}