/* 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 "LIEF/ELF/NoteDetails/QNXStack.hpp"

#include "LIEF/Visitor.hpp"

#include <spdlog/fmt/fmt.h>

namespace LIEF {

namespace ELF {

static constexpr auto stack_size_offset = 0;

static constexpr auto stack_allocated_offset = sizeof(uint32_t);

static constexpr auto is_stack_exec_offset = stack_allocated_offset + sizeof(uint32_t);

uint32_t QNXStack::stack_size() const {

return read_at<uint32_t>(stack_size_offset).value_or(0);

}

uint32_t QNXStack::stack_allocated() const {

return read_at<uint32_t>(stack_allocated_offset).value_or(0);

}

bool QNXStack::is_executable() const {

return !(read_at<bool>(is_stack_exec_offset).value_or(true));

}

void QNXStack::stack_size(uint32_t value) {

write_at(stack_size_offset, value);

}

void QNXStack::stack_allocated(uint32_t value) {

write_at(stack_allocated_offset, value);

}

void QNXStack::set_is_executable(bool value) {

write_at(is_stack_exec_offset, !value);

}

void QNXStack::accept(Visitor& visitor) const {

visitor.visit(*this);

}

void QNXStack::dump(std::ostream& os) const {

Note::dump(os);

os << '\n';

os << fmt::format(" Stack Size: 0x{:x}\n", stack_size())

<< fmt::format(" Stack allocated: 0x{:x}\n", stack_allocated())

<< fmt::format(" Executable: {}\n", is_executable());

}

} // namespace ELF

} // namespace LIEF