arch/unicore32/kernel/elf.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * linux/arch/unicore32/kernel/elf.c
   4  *
   5  * Code specific to PKUnity SoC and UniCore ISA
   6  *
   7  * Copyright (C) 2001-2010 GUAN Xue-tao
   8  */
   9 #include <linux/module.h>
  10 #include <linux/sched.h>
  11 #include <linux/personality.h>
  12 #include <linux/binfmts.h>
  13 #include <linux/elf.h>
  14
  15 int elf_check_arch(const struct elf32_hdr *x)
  16 {
  17         /* Make sure it's an UniCore executable */
  18         if (x->e_machine != EM_UNICORE)
  19                 return 0;
  20
  21         /* Make sure the entry address is reasonable */
  22         if (x->e_entry & 3)
  23                 return 0;
  24
  25         return 1;
  26 }
  27 EXPORT_SYMBOL(elf_check_arch);
  28
  29 void elf_set_personality(const struct elf32_hdr *x)
  30 {
  31         unsigned int personality = PER_LINUX;
  32
  33         set_personality(personality);
  34 }
  35 EXPORT_SYMBOL(elf_set_personality);