/* Copyright 2017 - 2025 R. Thomas

* Copyright 2017 - 2025 Quarkslab

*

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

*

* http://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

#include "logging.hpp"

#include "LIEF/config.h"

#include "LIEF/utils.hpp"

#include "LIEF/Visitor.hpp"

#include "LIEF/PE/ImportEntry.hpp"

namespace LIEF {

namespace PE {

std::string ImportEntry::demangled_name() const {

logging::needs_lief_extended();

if constexpr (lief_extended) {

return LIEF::demangle(name()).value_or("");

} else {

return "";

}

}

bool ImportEntry::is_ordinal() const {

// See: https://docs.microsoft.com/en-us/windows/desktop/debug/pe-format#the-idata-section

const uint64_t ORDINAL_MASK = (type_ == PE_TYPE::PE32) ? 0x80000000 : 0x8000000000000000;

bool ordinal_bit_is_set = (data_ & ORDINAL_MASK) != 0;

// Check that bit 31 / 63 is set

if (!ordinal_bit_is_set) {

return false;

}

// Check that bits 30-15 / 62-15 are set to 0.

uint64_t val = (data_ & ~ORDINAL_MASK) >> 16;

return val == 0;

}

void ImportEntry::accept(LIEF::Visitor& visitor) const {

visitor.visit(*this);

}

std::ostream& operator<<(std::ostream& os, const ImportEntry& entry) {

using namespace fmt;

os << (!entry.is_ordinal() ?

format("0x{:04x}: {}", entry.hint(), entry.name()) :

format("0x{:04x}: {}", entry.hint(), entry.ordinal()));

return os;

}

} // namespace PE

} // namepsace LIEF