init_module
system callの入り口
code: kernel/module.c
SYSCALL_DEFINE3(init_module, void __user *, umod,
unsigned long, len, const char __user *, uargs)
{
int err;
struct load_info info = { };
err = may_init_module();
if (err)
return err;
pr_debug("init_module: umod=%p, len=%lu, uargs=%p\n",
umod, len, uargs);
err = copy_module_from_user(umod, len, &info);
if (err)
return err;
return load_module(&info, uargs, 0);
}
struct load_moduleの中身は,
code:kernel/module-internal.h
struct load_info {
const char *name;
/* pointer to module in temporary copy, freed at end of load_module() */
struct module *mod;
Elf_Ehdr *hdr;
unsigned long len;
Elf_Shdr *sechdrs;
char *secstrings, *strtab;
unsigned long symoffs, stroffs;
struct _ddebug *debug;
unsigned int num_debug;
bool sig_ok;
unsigned long mod_kallsyms_init_off;
struct {
unsigned int sym, str, mod, vers, info, pcpu;
} index;
};