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llext: skip first dummy symbol table entry

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The first entry in the symbol table is empty, skip it.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
This commit is contained in:
Guennadi Liakhovetski 2023-09-07 17:38:12 +02:00 • committed by Fabio Baltieri
commit 68b4898b7e
1 changed files with 10 additions and 0 deletions
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10
subsys/llext/llext.c
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@ -336,6 +336,11 @@ static int llext_count_export_syms(struct llext_loader *ldr, struct llext *ext)
for (i = 0, pos = ldr->sects[LLEXT_SECT_SYMTAB].sh_offset;
i < sym_cnt;
i++, pos += ent_size) {
if (!i) {
/* A dummy entry */
continue;
}
ret = llext_seek(ldr, pos);
if (ret != 0) {
return ret;
@ -391,6 +396,11 @@ static inline int llext_copy_symbols(struct llext_loader *ldr, struct llext *ext
for (i = 0, pos = ldr->sects[LLEXT_SECT_SYMTAB].sh_offset, j = 0;
i < sym_cnt;
i++, pos += ent_size) {
if (!i) {
/* A dummy entry */
continue;
}
ret = llext_seek(ldr, pos);
if (ret != 0) {
return ret;