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Update kernel

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This commit is contained in:
Alex
2023-08-06 04:53:14 +03:00
parent 3b65386399
commit 2c51e4432f
181 changed files with 21873 additions and 21475 deletions
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139
include/exec.hpp
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@ -23,12 +23,13 @@
#include <filesystem.hpp>
#include <task.hpp>
#include <std.hpp>
#include <errno.h>
#include <vector>
#include <elf.h>
namespace Execute
{
enum BinaryType
enum BinaryType : int
{
BinTypeInvalid,
BinTypeFex,
@ -39,28 +40,6 @@ namespace Execute
BinTypeUnknown
};
enum ExStatus
{
Unknown,
OK,
Unsupported,
GenericError,
LoadingProcedureFailed,
InvalidFile,
InvalidFileFormat,
InvalidFileHeader,
InvalidFileData,
InvalidFileEntryPoint,
InvalidFilePath
};
struct SpawnData
{
ExStatus Status;
Tasking::PCB *Process;
Tasking::TCB *Thread;
};
struct SharedLibrary
{
char Identifier[64];
@ -72,25 +51,6 @@ namespace Execute
size_t Length;
};
struct ELFBaseLoad
{
bool Success;
bool Interpreter;
SpawnData sd;
Tasking::IP InstructionPointer;
std::vector<const char *> NeededLibraries;
void *MemoryImage;
void *VirtualMemoryImage;
/* This should be deleted after copying the allocated pages to the thread
Intended to be used only inside BaseLoad.cpp */
Memory::MemMgr *TmpMem;
/* Same as above, for BaseLoad.cpp only */
std::vector<AuxiliaryVector> auxv;
};
struct MmImage
{
void *Physical;
@ -100,46 +60,46 @@ namespace Execute
class ELFObject
{
private:
ELFBaseLoad BaseLoadInfo{};
bool IsElfValid;
const char **ELFargv;
const char **ELFenvp;
std::vector<AuxiliaryVector> Elfauxv;
Tasking::IP ip;
ELFBaseLoad LoadExec_x86_32(VirtualFileSystem::File &ElfFile,
Tasking::PCB *TargetProcess);
void LoadExec_x86_32(int fd,
Tasking::PCB *TargetProcess);
ELFBaseLoad LoadExec_x86_64(VirtualFileSystem::File &ElfFile,
Tasking::PCB *TargetProcess);
void LoadExec_x86_64(int fd,
Tasking::PCB *TargetProcess);
ELFBaseLoad LoadDyn_x86_32(VirtualFileSystem::File &ElfFile,
Tasking::PCB *TargetProcess,
bool IsLibrary);
void LoadDyn_x86_32(int fd,
Tasking::PCB *TargetProcess);
ELFBaseLoad LoadDyn_x86_64(VirtualFileSystem::File &ElfFile,
Tasking::PCB *TargetProcess,
bool IsLibrary);
void LoadDyn_x86_64(int fd,
Tasking::PCB *TargetProcess);
bool LoadInterpreter(int fd,
Tasking::PCB *TargetProcess);
public:
ELFBaseLoad GetBaseLoadInfo() { return BaseLoadInfo; }
bool IsValid() { return BaseLoadInfo.Success; }
decltype(IsElfValid) &IsValid = IsElfValid;
decltype(ip) &InstructionPointer = ip;
decltype(ELFargv) &argv = ELFargv;
decltype(ELFenvp) &envp = ELFenvp;
decltype(Elfauxv) &auxv = Elfauxv;
ELFObject(char *AbsolutePath,
Tasking::PCB *TargetProcess,
bool IsLibrary = false);
const char **argv,
const char **envp);
~ELFObject();
};
/* Full binary size. */
BinaryType GetBinaryType(void *Image);
BinaryType GetBinaryType(const char *Path);
BinaryType GetBinaryType(char *Path);
SpawnData Spawn(char *Path, const char **argv, const char **envp);
ELFBaseLoad ELFLoad(char *Path, const char **argv, const char **envp,
Tasking::TaskCompatibility Compatibility = Tasking::TaskCompatibility::Native);
void ELFInterpreterIPCThread(Tasking::PCB *TargetProcess,
std::string *TargetPath,
void *MemoryImage,
std::vector<const char *> *NeededLibraries);
int Spawn(char *Path, const char **argv, const char **envp,
Tasking::PCB *Parent = nullptr,
Tasking::TaskCompatibility Compatibility = Tasking::TaskCompatibility::Native);
bool ELFIs64(void *Header);
Elf64_Shdr *GetELFSheader(Elf64_Ehdr *Header);
@ -147,44 +107,17 @@ namespace Execute
char *GetELFStringTable(Elf64_Ehdr *Header);
char *ELFLookupString(Elf64_Ehdr *Header, uintptr_t Offset);
Elf64_Sym *ELFLookupSymbol(Elf64_Ehdr *Header, const char *Name);
Elf64_Sym ELFLookupSymbol(VirtualFileSystem::File &ElfFile, const char *Name);
Elf64_Sym ELFLookupSymbol(int fd, const char *Name);
uintptr_t ELFGetSymbolValue(Elf64_Ehdr *Header, uint64_t Table, uint64_t Index);
std::vector<Elf64_Phdr> ELFGetSymbolType_x86_64(VirtualFileSystem::File &ElfFile, SegmentTypes Tag);
std::vector<Elf32_Phdr> ELFGetSymbolType_x86_32(VirtualFileSystem::File &ElfFile, SegmentTypes Tag);
std::vector<Elf64_Phdr> ELFGetSymbolType_x86_64(int fd, SegmentTypes Tag);
std::vector<Elf32_Phdr> ELFGetSymbolType_x86_32(int fd, SegmentTypes Tag);
std::vector<Elf64_Shdr> ELFGetSections_x86_64(VirtualFileSystem::File &ElfFile, const char *SectionName);
std::vector<Elf32_Shdr> ELFGetSections_x86_32(VirtualFileSystem::File &ElfFile, const char *SectionName);
std::vector<Elf64_Shdr> ELFGetSections_x86_64(int fd, const char *SectionName);
std::vector<Elf32_Shdr> ELFGetSections_x86_32(int fd, const char *SectionName);
std::vector<Elf64_Dyn> ELFGetDynamicTag_x86_64(VirtualFileSystem::File &ElfFile, DynamicArrayTags Tag);
std::vector<Elf32_Dyn> ELFGetDynamicTag_x86_32(VirtualFileSystem::File &ElfFile, DynamicArrayTags Tag);
void CopyLOADSegments(VirtualFileSystem::File &ElfFile, uintptr_t HdrsBase, uintptr_t PhysicalBase);
void GetBaseAndSize(VirtualFileSystem::File &ElfFile, uintptr_t &Base, size_t &Size);
/**
* @brief Create a ELF Memory Image
*
* @param mem The memory manager to use
* @param vmm Memory::Virtual object to use
* @param ElfFile The ELF File
* @param Length Length of @p ElfFile
* @return The Memory Image (Physical and Virtual)
*/
MmImage ELFCreateMemoryImage(Memory::MemMgr *mem,
Memory::Virtual &vmm,
VirtualFileSystem::File &ElfFile,
size_t Length);
uintptr_t LoadELFInterpreter(Memory::MemMgr *mem,
Memory::Virtual &vmm,
const char *Interpreter);
void LibraryManagerService();
bool AddLibrary(char *Identifier,
VirtualFileSystem::File &ExFile,
const Memory::Virtual &vmm = Memory::Virtual());
SharedLibrary GetLibrary(char *Identifier);
std::vector<Elf64_Dyn> ELFGetDynamicTag_x86_64(int fd, DynamicArrayTags Tag);
std::vector<Elf32_Dyn> ELFGetDynamicTag_x86_32(int fd, DynamicArrayTags Tag);
}
#endif // !__FENNIX_KERNEL_FILE_EXECUTE_H__