| /* |
| * Copyright (c) 2024 Arduino SA |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef ZEPHYR_SUBSYS_LLEXT_PRIV_H_ |
| #define ZEPHYR_SUBSYS_LLEXT_PRIV_H_ |
| |
| #include <zephyr/kernel.h> |
| #include <zephyr/llext/llext.h> |
| |
| struct llext_elf_sect_map { |
| enum llext_mem mem_idx; |
| size_t offset; |
| }; |
| |
| /* |
| * Memory management (llext_mem.c) |
| */ |
| |
| int llext_copy_strings(struct llext_loader *ldr, struct llext *ext); |
| int llext_copy_regions(struct llext_loader *ldr, struct llext *ext, |
| const struct llext_load_param *ldr_parm); |
| void llext_free_regions(struct llext *ext); |
| void llext_adjust_mmu_permissions(struct llext *ext); |
| |
| static inline void *llext_alloc(size_t bytes) |
| { |
| extern struct k_heap llext_heap; |
| |
| return k_heap_alloc(&llext_heap, bytes, K_NO_WAIT); |
| } |
| |
| static inline void *llext_aligned_alloc(size_t align, size_t bytes) |
| { |
| extern struct k_heap llext_heap; |
| |
| return k_heap_aligned_alloc(&llext_heap, align, bytes, K_NO_WAIT); |
| } |
| |
| static inline void llext_free(void *ptr) |
| { |
| extern struct k_heap llext_heap; |
| |
| k_heap_free(&llext_heap, ptr); |
| } |
| |
| /* |
| * ELF parsing (llext_load.c) |
| */ |
| |
| int do_llext_load(struct llext_loader *ldr, struct llext *ext, |
| const struct llext_load_param *ldr_parm); |
| |
| static inline const char *llext_string(struct llext_loader *ldr, struct llext *ext, |
| enum llext_mem mem_idx, unsigned int idx) |
| { |
| return (char *)ext->mem[mem_idx] + idx; |
| } |
| |
| /* |
| * Relocation (llext_link.c) |
| */ |
| |
| int llext_link(struct llext_loader *ldr, struct llext *ext, |
| const struct llext_load_param *ldr_parm); |
| void llext_dependency_remove_all(struct llext *ext); |
| |
| #endif /* ZEPHYR_SUBSYS_LLEXT_PRIV_H_ */ |