Kernel/exec/elf/parse/elf_get_sections.cpp
2024-05-18 07:42:01 +03:00

54 lines
1.6 KiB
C++

/*
This file is part of Fennix Kernel.
Fennix Kernel is free software: you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
Fennix Kernel is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#include <exec.hpp>
#include "../../../kernel.h"
namespace Execute
{
std::vector<Elf64_Shdr> ELFGetSections_x86_64(FileNode *fd,
const char *SectionName)
{
#if defined(a64) || defined(aa64)
std::vector<Elf64_Shdr> Ret;
Elf64_Ehdr ELFHeader{};
fd->Read(&ELFHeader, sizeof(Elf64_Ehdr), 0);
Elf64_Shdr *SectionHeaders = new Elf64_Shdr[ELFHeader.e_shnum];
fd->Read(SectionHeaders, sizeof(Elf64_Shdr) * ELFHeader.e_shnum, ELFHeader.e_shoff);
char *SectionNames = new char[SectionHeaders[ELFHeader.e_shstrndx].sh_size];
fd->Read(SectionNames, SectionHeaders[ELFHeader.e_shstrndx].sh_size, SectionHeaders[ELFHeader.e_shstrndx].sh_offset);
for (Elf64_Half i = 0; i < ELFHeader.e_shnum; ++i)
{
const char *Name = SectionNames + SectionHeaders[i].sh_name;
if (strcmp(Name, SectionName) == 0)
Ret.push_back(SectionHeaders[i]);
}
delete[] SectionHeaders;
delete[] SectionNames;
return Ret;
#elif defined(a32)
return {};
#endif
}
}