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llext: record size of each stored section

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Store the size of each section in the llext structure.

Signed-off-by: Luca Burelli <l.burelli@arduino.cc>
This commit is contained in:
Luca Burelli 2023-12-01 18:43:02 +01:00 • committed by Anas Nashif
commit e96b713caf
3 changed files with 10 additions and 6 deletions
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7
subsys/llext/llext.c
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@ -302,6 +302,7 @@ static int llext_copy_section(struct llext_loader *ldr, struct llext *ext,
if (!ldr->sects[sect_idx].sh_size) {
return 0;
}
ext->mem_size[mem_idx] = ldr->sects[sect_idx].sh_size;
if (ldr->sects[sect_idx].sh_type != SHT_NOBITS &&
IS_ENABLED(CONFIG_LLEXT_STORAGE_WRITABLE)) {
@ -318,7 +319,7 @@ static int llext_copy_section(struct llext_loader *ldr, struct llext *ext,
if (!ext->mem[mem_idx]) {
return -ENOMEM;
}
ext->mem_size += ldr->sects[sect_idx].sh_size;
ext->alloc_size += ldr->sects[sect_idx].sh_size;
if (ldr->sects[sect_idx].sh_type == SHT_NOBITS) {
memset(ext->mem[mem_idx], 0, ldr->sects[sect_idx].sh_size);
@ -431,7 +432,7 @@ static int llext_allocate_symtab(struct llext_loader *ldr, struct llext *ext)
return -ENOMEM;
}
memset(sym_tab->syms, 0, syms_size);
ext->mem_size += syms_size;
ext->alloc_size += syms_size;
return 0;
}
@ -801,7 +802,7 @@ static int do_llext_load(struct llext_loader *ldr, struct llext *ext,
memset(ldr->sect_map, 0, sect_map_sz);
ldr->sect_cnt = ldr->hdr.e_shnum;
ext->mem_size += sect_map_sz;
ext->alloc_size += sect_map_sz;
LOG_DBG("Finding ELF tables...");
ret = llext_find_tables(ldr);