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Update kernel
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Alex
236
include/exec.hpp
236
include/exec.hpp
@ -23,126 +23,168 @@
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#include <filesystem.hpp>
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#include <task.hpp>
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#include <std.hpp>
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#include <vector>
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#include <elf.h>
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namespace Execute
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{
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enum BinaryType
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{
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BinTypeInvalid,
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BinTypeFex,
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BinTypeELF,
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BinTypePE,
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BinTypeNE,
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BinTypeMZ,
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BinTypeUnknown
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};
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enum BinaryType
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{
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BinTypeInvalid,
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BinTypeFex,
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BinTypeELF,
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BinTypePE,
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BinTypeNE,
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BinTypeMZ,
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BinTypeUnknown
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};
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enum ExStatus
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{
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Unknown,
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OK,
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Unsupported,
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GenericError,
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InvalidFile,
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InvalidFileFormat,
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InvalidFileHeader,
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InvalidFileData,
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InvalidFileEntryPoint,
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InvalidFilePath
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};
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enum ExStatus
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{
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Unknown,
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OK,
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Unsupported,
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GenericError,
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LoadingProcedureFailed,
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InvalidFile,
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InvalidFileFormat,
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InvalidFileHeader,
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InvalidFileData,
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InvalidFileEntryPoint,
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InvalidFilePath
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};
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struct SpawnData
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{
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ExStatus Status;
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Tasking::PCB *Process;
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Tasking::TCB *Thread;
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};
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struct SpawnData
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{
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ExStatus Status;
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Tasking::PCB *Process;
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Tasking::TCB *Thread;
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};
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struct SharedLibraries
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{
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char Identifier[64];
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uint64_t Timeout;
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int RefCount;
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struct SharedLibrary
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{
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char Identifier[64];
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char Path[256];
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uint64_t Timeout;
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int RefCount;
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uintptr_t Address;
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uintptr_t MemoryImage;
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size_t Length;
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};
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uintptr_t MemoryImage;
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size_t Length;
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};
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struct ELFBaseLoad
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{
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bool Success;
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bool Interpreter;
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SpawnData sd;
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Tasking::IP InstructionPointer;
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struct ELFBaseLoad
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{
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bool Success;
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bool Interpreter;
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SpawnData sd;
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Tasking::IP InstructionPointer;
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std::vector<const char *> NeededLibraries;
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void *MemoryImage;
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void *VirtualMemoryImage;
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std::vector<const char *> NeededLibraries;
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void *MemoryImage;
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void *VirtualMemoryImage;
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/* This should be deleted after copying the allocated pages to the thread
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Intended to be used only inside BaseLoad.cpp */
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Memory::MemMgr *TmpMem;
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/* This should be deleted after copying the allocated pages to the thread
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Intended to be used only inside BaseLoad.cpp */
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Memory::MemMgr *TmpMem;
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/* Same as above, for BaseLoad.cpp only */
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std::vector<AuxiliaryVector> auxv;
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};
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/* Same as above, for BaseLoad.cpp only */
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std::vector<AuxiliaryVector> auxv;
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};
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struct MmImage
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{
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void *Physical;
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void *Virtual;
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};
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struct MmImage
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{
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void *Physical;
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void *Virtual;
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};
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BinaryType GetBinaryType(void *Image);
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BinaryType GetBinaryType(char *Path);
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class ELFObject
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{
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private:
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ELFBaseLoad BaseLoadInfo{};
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SpawnData Spawn(char *Path, const char **argv, const char **envp);
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ELFBaseLoad LoadExec_x86_32(VirtualFileSystem::File &ElfFile,
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Tasking::PCB *TargetProcess);
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ELFBaseLoad ELFLoad(char *Path, const char **argv, const char **envp,
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Tasking::TaskCompatibility Compatibility = Tasking::TaskCompatibility::Native);
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ELFBaseLoad LoadExec_x86_64(VirtualFileSystem::File &ElfFile,
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Tasking::PCB *TargetProcess);
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Elf64_Shdr *GetELFSheader(Elf64_Ehdr *Header);
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Elf64_Shdr *GetELFSection(Elf64_Ehdr *Header, uint64_t Index);
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char *GetELFStringTable(Elf64_Ehdr *Header);
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char *ELFLookupString(Elf64_Ehdr *Header, uintptr_t Offset);
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Elf64_Sym *ELFLookupSymbol(Elf64_Ehdr *Header, const char *Name);
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uintptr_t ELFGetSymbolValue(Elf64_Ehdr *Header, uint64_t Table, uint64_t Index);
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Elf64_Dyn *ELFGetDynamicTag(void *ElfFile, enum DynamicArrayTags Tag);
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ELFBaseLoad LoadDyn_x86_32(VirtualFileSystem::File &ElfFile,
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Tasking::PCB *TargetProcess,
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bool IsLibrary);
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/**
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* @brief Create a ELF Memory Image
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*
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* @param mem The memory manager to use
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* @param pV Memory::Virtual object to use
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* @param ElfFile ELF file loaded in memory (FULL FILE)
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* @param Length Length of @p ElfFile
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* @return The Memory Image (Physical and Virtual)
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*/
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MmImage ELFCreateMemoryImage(Memory::MemMgr *mem, Memory::Virtual &pV, void *ElfFile, size_t Length);
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ELFBaseLoad LoadDyn_x86_64(VirtualFileSystem::File &ElfFile,
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Tasking::PCB *TargetProcess,
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bool IsLibrary);
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uintptr_t LoadELFInterpreter(Memory::MemMgr *mem, Memory::Virtual &pV, const char *Interpreter);
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public:
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ELFBaseLoad GetBaseLoadInfo() { return BaseLoadInfo; }
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bool IsValid() { return BaseLoadInfo.Success; }
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ELFBaseLoad ELFLoadRel(void *ElfFile,
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VirtualFileSystem::File &ExFile,
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Tasking::PCB *Process);
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ELFObject(char *AbsolutePath,
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Tasking::PCB *TargetProcess,
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bool IsLibrary = false);
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~ELFObject();
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};
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ELFBaseLoad ELFLoadExec(void *ElfFile,
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VirtualFileSystem::File &ExFile,
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Tasking::PCB *Process);
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/* Full binary size. */
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BinaryType GetBinaryType(void *Image);
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ELFBaseLoad ELFLoadDyn(void *ElfFile,
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VirtualFileSystem::File &ExFile,
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Tasking::PCB *Process);
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BinaryType GetBinaryType(char *Path);
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void StartExecuteService();
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bool AddLibrary(char *Identifier,
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void *ElfImage,
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size_t Length,
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const Memory::Virtual &pV = Memory::Virtual());
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void SearchLibrary(char *Identifier);
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SharedLibraries GetLibrary(char *Identifier);
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SpawnData Spawn(char *Path, const char **argv, const char **envp);
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ELFBaseLoad ELFLoad(char *Path, const char **argv, const char **envp,
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Tasking::TaskCompatibility Compatibility = Tasking::TaskCompatibility::Native);
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void ELFInterpreterIPCThread(Tasking::PCB *TargetProcess,
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std::string *TargetPath,
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void *MemoryImage,
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std::vector<const char *> *NeededLibraries);
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bool ELFIs64(void *Header);
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Elf64_Shdr *GetELFSheader(Elf64_Ehdr *Header);
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Elf64_Shdr *GetELFSection(Elf64_Ehdr *Header, uint64_t Index);
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char *GetELFStringTable(Elf64_Ehdr *Header);
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char *ELFLookupString(Elf64_Ehdr *Header, uintptr_t Offset);
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Elf64_Sym *ELFLookupSymbol(Elf64_Ehdr *Header, const char *Name);
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Elf64_Sym ELFLookupSymbol(VirtualFileSystem::File &ElfFile, const char *Name);
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uintptr_t ELFGetSymbolValue(Elf64_Ehdr *Header, uint64_t Table, uint64_t Index);
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std::vector<Elf64_Phdr> ELFGetSymbolType_x86_64(VirtualFileSystem::File &ElfFile, SegmentTypes Tag);
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std::vector<Elf32_Phdr> ELFGetSymbolType_x86_32(VirtualFileSystem::File &ElfFile, SegmentTypes Tag);
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std::vector<Elf64_Shdr> ELFGetSections_x86_64(VirtualFileSystem::File &ElfFile, const char *SectionName);
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std::vector<Elf32_Shdr> ELFGetSections_x86_32(VirtualFileSystem::File &ElfFile, const char *SectionName);
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std::vector<Elf64_Dyn> ELFGetDynamicTag_x86_64(VirtualFileSystem::File &ElfFile, DynamicArrayTags Tag);
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std::vector<Elf32_Dyn> ELFGetDynamicTag_x86_32(VirtualFileSystem::File &ElfFile, DynamicArrayTags Tag);
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void CopyLOADSegments(VirtualFileSystem::File &ElfFile, uintptr_t HdrsBase, uintptr_t PhysicalBase);
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void GetBaseAndSize(VirtualFileSystem::File &ElfFile, uintptr_t &Base, size_t &Size);
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/**
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* @brief Create a ELF Memory Image
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*
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* @param mem The memory manager to use
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* @param vmm Memory::Virtual object to use
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* @param ElfFile The ELF File
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* @param Length Length of @p ElfFile
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* @return The Memory Image (Physical and Virtual)
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*/
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MmImage ELFCreateMemoryImage(Memory::MemMgr *mem,
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Memory::Virtual &vmm,
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VirtualFileSystem::File &ElfFile,
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size_t Length);
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uintptr_t LoadELFInterpreter(Memory::MemMgr *mem,
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Memory::Virtual &vmm,
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const char *Interpreter);
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void LibraryManagerService();
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bool AddLibrary(char *Identifier,
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VirtualFileSystem::File &ExFile,
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const Memory::Virtual &vmm = Memory::Virtual());
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SharedLibrary GetLibrary(char *Identifier);
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}
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#endif // !__FENNIX_KERNEL_FILE_EXECUTE_H__
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