mirror of
https://github.com/Fennix-Project/Kernel.git
synced 2025-05-25 22:14:37 +00:00
100 lines
2.1 KiB
C++
100 lines
2.1 KiB
C++
/*
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This file is part of Fennix Kernel.
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Fennix Kernel is free software: you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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Fennix Kernel is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <exec.hpp>
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#include <memory.hpp>
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#include <lock.hpp>
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#include <msexec.h>
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#include <cwalk.h>
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#include <elf.h>
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#include <abi.h>
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#include "../kernel.h"
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#include "../Fex.hpp"
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using namespace Tasking;
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namespace Execute
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{
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SpawnData Spawn(char *Path, const char **argv, const char **envp)
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{
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SpawnData ret = {.Status = ExStatus::Unknown,
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.Process = nullptr,
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.Thread = nullptr};
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VirtualFileSystem::File ExFile = vfs->Open(Path);
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if (!ExFile.IsOK())
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{
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if (ExFile.Status == VirtualFileSystem::FileStatus::NotFound)
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{
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ret.Status = ExStatus::InvalidFilePath;
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goto Exit;
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}
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else
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{
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ret.Status = ExStatus::InvalidFile;
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goto Exit;
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}
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if (ExFile.GetFlags() != VirtualFileSystem::NodeFlags::FILE)
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{
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ret.Status = ExStatus::InvalidFilePath;
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goto Exit;
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}
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}
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switch (GetBinaryType(Path))
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{
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case BinaryType::BinTypeFex:
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{
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Fex FexHdr;
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vfs->Read(ExFile, (uint8_t *)&FexHdr, sizeof(Fex));
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if (FexHdr.Type == FexFormatType::FexFormatType_Executable)
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{
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stub;
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assert(false);
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}
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ret.Status = ExStatus::InvalidFileHeader;
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break;
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}
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case BinaryType::BinTypeELF:
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{
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ELFBaseLoad bl = ELFLoad(Path, argv, envp);
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if (!bl.Success)
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{
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ret.Status = ExStatus::LoadingProcedureFailed;
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break;
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}
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ret = bl.sd;
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break;
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}
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default:
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{
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ret.Status = ExStatus::Unsupported;
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break;
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}
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}
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Exit:
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vfs->Close(ExFile);
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return ret;
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}
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}
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