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Kernel: Invoke ELF interpreter instead if it is specified

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Bananymous
2024-08-28 17:06:32 +03:00
parent d20752c318
commit 2bf65ef512
7 changed files with 382 additions and 191 deletions
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42
userspace/libraries/LibELF/include/LibELF/LoadableELF.h
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@@ -22,11 +22,14 @@ namespace LibELF
BAN_NON_MOVABLE(LoadableELF);
public:
static BAN::ErrorOr<BAN::UniqPtr<LoadableELF>> load_from_inode(Kernel::PageTable&, BAN::RefPtr<Kernel::Inode>);
static BAN::ErrorOr<BAN::UniqPtr<LoadableELF>> load_from_inode(Kernel::PageTable&, const Kernel::Credentials&, BAN::RefPtr<Kernel::Inode>);
~LoadableELF();
Kernel::vaddr_t entry_point() const;
bool has_interpreter() const { return !!m_interpreter.inode; }
BAN::RefPtr<Kernel::Inode> inode() { return m_executable.inode; }
bool contains(Kernel::vaddr_t address) const;
bool is_address_space_free() const;
void reserve_address_space();
@@ -41,17 +44,36 @@ namespace LibELF
size_t physical_page_count() const { return m_physical_page_count; }
private:
LoadableELF(Kernel::PageTable&, BAN::RefPtr<Kernel::Inode>);
BAN::ErrorOr<void> initialize();
struct LoadableElfFile
{
BAN::RefPtr<Kernel::Inode> inode;
ElfNativeFileHeader file_header;
BAN::Vector<ElfNativeProgramHeader> program_headers;
Kernel::vaddr_t dynamic_base;
};
struct LoadResult
{
LoadableElfFile elf_file;
BAN::RefPtr<Kernel::Inode> interp;
};
private:
BAN::RefPtr<Kernel::Inode> m_inode;
Kernel::PageTable& m_page_table;
ElfNativeFileHeader m_file_header;
BAN::Vector<ElfNativeProgramHeader> m_program_headers;
size_t m_virtual_page_count = 0;
size_t m_physical_page_count = 0;
bool m_loaded { false };
LoadableELF(Kernel::PageTable&);
BAN::ErrorOr<void> initialize(const Kernel::Credentials&, BAN::RefPtr<Kernel::Inode>);
bool does_executable_and_interpreter_overlap() const;
BAN::ErrorOr<LoadResult> load_elf_file(const Kernel::Credentials&, BAN::RefPtr<Kernel::Inode>) const;
private:
LoadableElfFile m_executable;
LoadableElfFile m_interpreter;
Kernel::PageTable& m_page_table;
size_t m_virtual_page_count { 0 };
size_t m_physical_page_count { 0 };
bool m_is_loaded { false };
friend class BAN::UniqPtr<LoadableELF>;
};
}