void Relocation::pd_set_call_destination(address x) {
  address inst_loc = addr();

  if (NativeFarCall::is_far_call_at(inst_loc)) {
    NativeFarCall* call = nativeFarCall_at(inst_loc);
    call->set_destination(x);
  } else if (NativeJump::is_jump_at(inst_loc)) {
    NativeJump* jump= nativeJump_at(inst_loc);
    jump->set_jump_destination(x);
  } else if (NativeConditionalFarBranch::is_conditional_far_branch_at(inst_loc)) {
    NativeConditionalFarBranch* branch = NativeConditionalFarBranch_at(inst_loc);
    branch->set_branch_destination(x);
  } else {
    NativeCall* call = nativeCall_at(inst_loc);
    call->set_destination_mt_safe(x, false);
  }
}
Esempio n. 2
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void Relocation::pd_set_call_destination(address x) {
  address inst_addr = addr();

  if (NativeFarCall::is_far_call_at(inst_addr)) {
    if (!ShortenBranches) {
      if (MacroAssembler::is_call_far_pcrelative(inst_addr)) {
        address a1 = MacroAssembler::get_target_addr_pcrel(inst_addr+MacroAssembler::nop_size());
#ifdef ASSERT
        address a3 = nativeFarCall_at(inst_addr)->destination();
        if (a1 != a3) {
          unsigned int range = 128;
          Assembler::dump_code_range(tty, inst_addr, range, "pc-relative call w/o ShortenBranches?");
          assert(false, "pc-relative call w/o ShortenBranches?");
        }
#endif
        nativeFarCall_at(inst_addr)->set_destination(x, 0);
        return;
      }
      assert(x == (address)-1, "consistency check");
      return;
    }
    int toc_offset = -1;
    if (type() == relocInfo::runtime_call_w_cp_type) {
      toc_offset = ((runtime_call_w_cp_Relocation *)this)->get_constant_pool_offset();
    }
    if (toc_offset>=0) {
      NativeFarCall* call = nativeFarCall_at(inst_addr);
      call->set_destination(x, toc_offset);
      return;
    }
  }

  if (NativeCall::is_call_at(inst_addr)) {
    NativeCall* call = nativeCall_at(inst_addr);
    if (call->is_pcrelative()) {
      call->set_destination_mt_safe(x);
      return;
    }
  }

  // constant is absolute, must use x
  nativeMovConstReg_at(inst_addr)->set_data(((intptr_t)x));
}