int module_frob_arch_sections()

in kernel/module.c [27:55]

• 23 lines of code
• 6 McCabe index (conditional complexity)

int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
				char *secstrings,
				struct module *mod)
{
	unsigned int i;
	int found = 0;

	/* Look for .plt and/or .got.plt and/or .init.plt sections */
	for (i = 0; i < hdr->e_shnum; i++) {
		DEBUGP("Section %d is %s\n", i,
		       secstrings + sechdrs[i].sh_name);
		if (strcmp(secstrings + sechdrs[i].sh_name, ".plt") == 0)
			found = i+1;
		if (strcmp(secstrings + sechdrs[i].sh_name, ".got.plt") == 0)
			found = i+1;
		if (strcmp(secstrings + sechdrs[i].sh_name, ".rela.plt") == 0)
			found = i+1;
	}

	/* At this time, we don't support modules comiled with -shared */
	if (found) {
		printk(KERN_WARNING
			"Module '%s' contains unexpected .plt/.got sections.\n",
			mod->name);
		/*  return -ENOEXEC;  */
	}

	return 0;
}