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

91 lines
3.3 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 "Symbol.hpp"
namespace LIEF {
namespace ELF {
void init_c_dynamic_symbols(Elf_Binary_t* c_binary, Binary* binary) {
it_symbols dyn_symb = binary->get_dynamic_symbols();
c_binary->dynamic_symbols = static_cast<Elf_Symbol_t**>(
malloc((dyn_symb.size() + 1) * sizeof(Elf_Symbol_t**)));
for (size_t i = 0; i < dyn_symb.size(); ++i) {
Symbol& b_sym = dyn_symb[i];
c_binary->dynamic_symbols[i] = static_cast<Elf_Symbol_t*>(malloc(sizeof(Elf_Symbol_t)));
c_binary->dynamic_symbols[i]->name = b_sym.name().c_str();
c_binary->dynamic_symbols[i]->type = static_cast<enum ::SYMBOL_TYPES>(b_sym.type());
c_binary->dynamic_symbols[i]->binding = static_cast<enum ::SYMBOL_BINDINGS>(b_sym.binding());
c_binary->dynamic_symbols[i]->other = b_sym.other();
c_binary->dynamic_symbols[i]->shndx = b_sym.shndx();
c_binary->dynamic_symbols[i]->value = b_sym.value();
c_binary->dynamic_symbols[i]->size = b_sym.size();
c_binary->dynamic_symbols[i]->information = b_sym.information();
}
c_binary->dynamic_symbols[dyn_symb.size()] = nullptr;
}
void init_c_static_symbols(Elf_Binary_t* c_binary, Binary* binary) {
it_symbols static_symb = binary->get_static_symbols();
c_binary->static_symbols = static_cast<Elf_Symbol_t**>(
malloc((static_symb.size() + 1) * sizeof(Elf_Symbol_t**)));
for (size_t i = 0; i < static_symb.size(); ++i) {
Symbol& b_sym = static_symb[i];
c_binary->static_symbols[i] = static_cast<Elf_Symbol_t*>(malloc(sizeof(Elf_Symbol_t)));
c_binary->static_symbols[i]->name = b_sym.name().c_str();
c_binary->static_symbols[i]->type = static_cast<enum ::SYMBOL_TYPES>(b_sym.type());
c_binary->static_symbols[i]->binding = static_cast<enum ::SYMBOL_BINDINGS>(b_sym.binding());
c_binary->static_symbols[i]->other = b_sym.other();
c_binary->static_symbols[i]->shndx = b_sym.shndx();
c_binary->static_symbols[i]->value = b_sym.value();
c_binary->static_symbols[i]->size = b_sym.size();
c_binary->static_symbols[i]->information = b_sym.information();
}
c_binary->static_symbols[static_symb.size()] = nullptr;
}
void destroy_dynamic_symbols(Elf_Binary_t* c_binary) {
Elf_Symbol_t **dynamic_symbols = c_binary->dynamic_symbols;
for (size_t idx = 0; dynamic_symbols[idx] != nullptr; ++idx) {
free(dynamic_symbols[idx]);
}
free(c_binary->dynamic_symbols);
}
void destroy_static_symbols(Elf_Binary_t* c_binary) {
Elf_Symbol_t **static_symbols = c_binary->static_symbols;
for (size_t idx = 0; static_symbols[idx] != nullptr; ++idx) {
free(static_symbols[idx]);
}
free(c_binary->static_symbols);
}
}
}