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Updated kernel (tl;dr: improved filesystem, tasking, loading files, etc..)

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This commit is contained in:
Alex
2023-02-06 19:35:44 +02:00
parent 640f6a412a
commit a592b85ce5
46 changed files with 3503 additions and 2412 deletions
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85
include/exec.hpp
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@ -3,6 +3,7 @@
#include <types.h>
#include <filesystem.hpp>
#include <task.hpp>
#include <elf.h>
@ -21,9 +22,10 @@ namespace Execute
enum ExStatus
{
OK,
Unknown,
OK,
Unsupported,
GenericError,
InvalidFile,
InvalidFileFormat,
InvalidFileHeader,
@ -39,21 +41,78 @@ namespace Execute
Tasking::TCB *Thread;
};
struct SharedLibraries
{
char Identifier[256];
uint64_t Timeout;
long RefCount;
void *Address;
void *MemoryImage;
size_t Length;
};
struct ELFBaseLoad
{
bool Success;
SpawnData sd;
Tasking::IP InstructionPointer;
/* 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 */
Vector<AuxiliaryVector> auxv;
};
BinaryType GetBinaryType(void *Image);
BinaryType GetBinaryType(char *Path);
SpawnData Spawn(char *Path, const char **argv, const char **envp);
void *ELFLoadRel(Elf64_Ehdr *Header);
void ELFLoadExec(void *BaseImage,
size_t Length,
Elf64_Ehdr *ELFHeader,
Memory::Virtual &pva,
SpawnData *ret,
char *Path,
Tasking::PCB *Process,
const char **argv,
const char **envp,
Tasking::TaskArchitecture Arch,
Tasking::TaskCompatibility Comp);
ELFBaseLoad ELFLoad(char *Path, const char **argv, const char **envp,
Tasking::TaskCompatibility Compatibility = Tasking::TaskCompatibility::Native);
Elf64_Shdr *GetELFSheader(Elf64_Ehdr *Header);
Elf64_Shdr *GetELFSection(Elf64_Ehdr *Header, uint64_t Index);
char *GetELFStringTable(Elf64_Ehdr *Header);
char *ELFLookupString(Elf64_Ehdr *Header, uintptr_t Offset);
void *ELFLookupSymbol(Elf64_Ehdr *Header, const char *Name);
uintptr_t ELFGetSymbolValue(Elf64_Ehdr *Header, uint64_t Table, uint64_t Index);
Elf64_Dyn *ELFGetDynamicTag(void *ElfFile, enum DynamicArrayTags Tag);
/**
* @brief Create a ELF Memory Image
*
* @param mem The memory manager to use
* @param pV Memory::Virtual object to use
* @param ElfFile ELF file loaded in memory (FULL FILE)
* @param Length Length of @p ElfFile
* @return void* The Memory Image
*/
void *ELFCreateMemoryImage(Memory::MemMgr *mem, Memory::Virtual &pV, void *ElfFile, size_t Length);
uintptr_t LoadELFInterpreter(Memory::MemMgr *mem, Memory::Virtual &pV, const char *Interpreter);
ELFBaseLoad ELFLoadRel(void *ElfFile,
VirtualFileSystem::File *ExFile,
Tasking::PCB *Process);
ELFBaseLoad ELFLoadExec(void *ElfFile,
VirtualFileSystem::File *ExFile,
Tasking::PCB *Process);
ELFBaseLoad ELFLoadDyn(void *ElfFile,
VirtualFileSystem::File *ExFile,
Tasking::PCB *Process);
void StartExecuteService();
SharedLibraries *AddLibrary(char *Identifier,
void *ElfImage,
size_t Length,
const Memory::Virtual &pV = Memory::Virtual());
void SearchLibrary(char *Identifier);
}
#endif // !__FENNIX_KERNEL_FILE_EXECUTE_H__