static int dso__load_sym_table_from_elf()

in helpers/trace_helpers.c [487:527]

• 31 lines of code
• 9 McCabe index (conditional complexity)

static int dso__load_sym_table_from_elf(struct dso *dso, int fd)
{
	Elf_Scn *section = NULL;
	Elf *e;
	int i;

	e = fd > 0 ? open_elf_by_fd(fd) : open_elf(dso->name, &fd);
	if (!e)
		return -1;

	while ((section = elf_nextscn(e, section)) != 0) {
		GElf_Shdr header;

		if (!gelf_getshdr(section, &header))
			continue;

		if (header.sh_type != SHT_SYMTAB &&
		    header.sh_type != SHT_DYNSYM)
			continue;

		if (dso__add_syms(dso, e, section, header.sh_link,
				  header.sh_entsize))
			goto err_out;
	}

	/* now when strings are finalized, adjust pointers properly */
	for (i = 0; i < dso->syms_sz; i++)
		dso->syms[i].name =
			btf__name_by_offset(dso->btf,
					    (unsigned long)dso->syms[i].name);

	qsort(dso->syms, dso->syms_sz, sizeof(*dso->syms), sym_cmp);

	close_elf(e, fd);
	return 0;

err_out:
	dso__free_fields(dso);
	close_elf(e, fd);
	return -1;
}