llext.h File Reference

#include <zephyr/sys/slist.h>
#include <zephyr/llext/elf.h>
#include <zephyr/llext/symbol.h>
#include <zephyr/kernel.h>
#include <sys/types.h>
#include <stdbool.h>

Go to the source code of this file.

Data Structures
struct	llext
	Linkable loadable extension. More...
struct	llext_load_param
	llext loader parameters More...

Macros
#define	LLEXT_MEM_PARTITIONS   (LLEXT_MEM_BSS+1)
#define	LLEXT_LOAD_PARAM_DEFAULT   {.relocate_local = true,}

Enumerations
enum	llext_mem {   LLEXT_MEM_TEXT , LLEXT_MEM_DATA , LLEXT_MEM_RODATA , LLEXT_MEM_BSS ,   LLEXT_MEM_EXPORT , LLEXT_MEM_SYMTAB , LLEXT_MEM_STRTAB , LLEXT_MEM_SHSTRTAB ,   LLEXT_MEM_COUNT }
	List of ELF regions that are stored or referenced in the llext. More...

Functions
struct llext *	llext_by_name (const char *name)
	Find an llext by name.
int	llext_iterate (int(*fn)(struct llext *ext, void *arg), void *arg)
	Iterate overall registered llext instances.
int	llext_load (struct llext_loader *loader, const char *name, struct llext **ext, struct llext_load_param *ldr_parm)
	Load and link an extension.
int	llext_unload (struct llext **ext)
	Unload an extension.
const void *const	llext_find_sym (const struct llext_symtable *sym_table, const char *sym_name)
	Find the address for an arbitrary symbol name.
int	llext_call_fn (struct llext *ext, const char *sym_name)
	Call a function by name.
int	llext_add_domain (struct llext *ext, struct k_mem_domain *domain)
	Add the known memory partitions of the extension to a memory domain.
void	arch_elf_relocate (elf_rela_t *rel, uintptr_t opaddr, uintptr_t opval)
	Architecture specific function for updating op codes given a relocation.
ssize_t	llext_find_section (struct llext_loader *loader, const char *search_name)
	Find an ELF section.
void	arch_elf_relocate_local (struct llext_loader *loader, struct llext *ext, elf_rela_t *rel, size_t got_offset)
	Architecture specific function for updating addresses via relocation table.