loader.h

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/*
 * Copyright (c) 2023 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_LLEXT_LOADER_H
#define ZEPHYR_LLEXT_LOADER_H
 
#include <zephyr/llext/elf.h>
#include <stddef.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
enum llext_section {
        LLEXT_SECT_TEXT,
        LLEXT_SECT_DATA,
        LLEXT_SECT_RODATA,
        LLEXT_SECT_BSS,
 
        LLEXT_SECT_REL_TEXT,
        LLEXT_SECT_REL_DATA,
        LLEXT_SECT_REL_RODATA,
        LLEXT_SECT_REL_BSS,
 
        LLEXT_SECT_SYMTAB,
        LLEXT_SECT_STRTAB,
        LLEXT_SECT_SHSTRTAB,
 
        LLEXT_SECT_COUNT,
};
 
struct llext_loader {
        int (*read)(struct llext_loader *ldr, void *out, size_t len);
 
        int (*seek)(struct llext_loader *s, size_t pos);
 
        elf_ehdr_t hdr;
        elf_shdr_t sects[LLEXT_SECT_COUNT];
        uint32_t *sect_map;
        uint32_t sect_cnt;
        uint32_t sym_cnt;
};
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_LLEXT_LOADER_H */