Fennix/Kernel/exec/elf/parse/elf_get_sections.cpp
EnderIce2 557c7e6235
fix(kernel/vfs): 🎉 a complete rewrite of the vfs
This is the fourth time re-writing the VFS, hope this will be the last. Tried to make it as modular as possible so this won't be necessary in the future. 🙏

This change required the entire kernel code to be modified.
2025-05-13 15:59:12 +00:00

47 lines
1.4 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<Elf_Shdr> ELFGetSections(Node fd, const char *SectionName)
{
std::vector<Elf_Shdr> ret;
Elf_Ehdr ehdr;
fs->Read(fd, &ehdr, sizeof(Elf_Ehdr), 0);
std::unique_ptr<Elf_Shdr[]> sections(new Elf_Shdr[ehdr.e_shnum]);
fs->Read(fd, sections.get(), sizeof(Elf_Shdr) * ehdr.e_shnum, ehdr.e_shoff);
std::string sectionNames(sections[ehdr.e_shstrndx].sh_size, '\0');
fs->Read(fd, sectionNames.data(), sections[ehdr.e_shstrndx].sh_size, sections[ehdr.e_shstrndx].sh_offset);
for (Elf_Half i = 0; i < ehdr.e_shnum; ++i)
{
const char *Name = sectionNames.data() + sections[i].sh_name;
if (strcmp(Name, SectionName) == 0)
ret.push_back(sections[i]);
}
return ret;
}
}