llext.h

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/*
 * Copyright (c) 2023 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_LLEXT_H
#define ZEPHYR_LLEXT_H
 
#include <zephyr/sys/slist.h>
#include <zephyr/llext/elf.h>
#include <zephyr/llext/symbol.h>
#include <zephyr/llext/loader.h>
#include <sys/types.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
enum llext_mem {
        LLEXT_MEM_TEXT,
        LLEXT_MEM_DATA,
        LLEXT_MEM_RODATA,
        LLEXT_MEM_BSS,
 
        LLEXT_MEM_COUNT,
};
 
struct llext {
        sys_snode_t _llext_list;
        char name[16];
 
        void *mem[LLEXT_MEM_COUNT];
 
        size_t mem_size;
 
        struct llext_symtable sym_tab;
};
 
sys_slist_t *llext_list(void);
 
struct llext *llext_by_name(const char *name);
 
int llext_load(struct llext_loader *loader, const char *name, struct llext **ext);
 
void llext_unload(struct llext *ext);
 
const void * const llext_find_sym(const struct llext_symtable *sym_table, const char *sym_name);
 
int llext_call_fn(struct llext *ext, const char *sym_name);
 
void arch_elf_relocate(elf_rel_t *rel, uintptr_t opaddr, uintptr_t opval);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_LLEXT_H */