LIEF/api/c/ELF/Segment.cpp
2017-03-30 16:56:49 +02:00

68 lines
2.2 KiB
C++

/* Copyright 2017 R. Thomas
* Copyright 2017 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 "Segment.hpp"
namespace LIEF {
namespace ELF {
void init_c_segments(Elf_Binary_t* c_binary, Binary* binary) {
it_segments segments = binary->get_segments();
c_binary->segments = static_cast<Elf_Segment_t**>(
malloc((segments.size() + 1) * sizeof(Elf_Segment_t**)));
for (size_t i = 0; i < segments.size(); ++i) {
Segment& segment = segments[i];
const std::vector<uint8_t>& segment_content = segment.content();
uint8_t* content = static_cast<uint8_t*>(malloc(segment_content.size() * sizeof(uint8_t)));
std::copy(
std::begin(segment_content),
std::end(segment_content),
content);
c_binary->segments[i] = static_cast<Elf_Segment_t*>(malloc(sizeof(Elf_Segment_t)));
c_binary->segments[i]->type = static_cast<enum ::SEGMENT_TYPES>(segment.type());
c_binary->segments[i]->flags = segment.flag();
c_binary->segments[i]->virtual_address = segment.virtual_address();
c_binary->segments[i]->virtual_size = segment.virtual_size();
c_binary->segments[i]->offset = segment.file_offset();
c_binary->segments[i]->alignment = segment.alignment();
c_binary->segments[i]->size = segment_content.size();
c_binary->segments[i]->content = content;
}
c_binary->segments[segments.size()] = nullptr;
}
void destroy_segments(Elf_Binary_t* c_binary) {
Elf_Segment_t **segments = c_binary->segments;
for (size_t idx = 0; segments[idx] != nullptr; ++idx) {
free(segments[idx]->content);
free(segments[idx]);
}
free(c_binary->segments);
}
}
}