1 #include <linux/init.h>
3 #include <linux/file.h>
4 #include <linux/mm_types.h>
5 #include <linux/binfmts.h>
6 #include <linux/a.out.h>
8 static int load_binary(struct linux_binprm *bprm, struct pt_regs *regs)
10 struct exec *eh = (struct exec *)bprm->buf;
15 if (eh->fh.f_magic != 0x183 || (eh->fh.f_flags & 0x3000) != 0x3000)
21 allow_write_access(bprm->file);
25 loader = bprm->vma->vm_end - sizeof(void *);
27 file = open_exec("/sbin/loader");
28 retval = PTR_ERR(file);
32 /* Remember if the application is TASO. */
33 bprm->taso = eh->ah.entry < 0x100000000UL;
36 bprm->loader = loader;
37 retval = prepare_binprm(bprm);
40 return search_binary_handler(bprm,regs);
43 static struct linux_binfmt loader_format = {
44 .load_binary = load_binary,
47 static int __init init_loader_binfmt(void)
49 return register_binfmt(&loader_format);
51 arch_initcall(init_loader_binfmt);