arch/frv/kernel/module.c

   1 /* module.c: FRV specific module loading bits
   2  *
   3  * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
   4  * Written by David Howells (dhowells@redhat.com)
   5  * - Derived from arch/i386/kernel/module.c, Copyright (C) 2001 Rusty Russell.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation; either version
  10  * 2 of the License, or (at your option) any later version.
  11  */
  12 #include <linux/moduleloader.h>
  13 #include <linux/elf.h>
  14 #include <linux/vmalloc.h>
  15 #include <linux/fs.h>
  16 #include <linux/string.h>
  17 #include <linux/kernel.h>
  18
  19 #if 0
  20 #define DEBUGP printk
  21 #else
  22 #define DEBUGP(fmt...)
  23 #endif
  24
  25 void *module_alloc(unsigned long size)
  26 {
  27         if (size == 0)
  28                 return NULL;
  29
  30         return vmalloc_exec(size);
  31 }
  32
  33
  34 /* Free memory returned from module_alloc */
  35 void module_free(struct module *mod, void *module_region)
  36 {
  37         vfree(module_region);
  38         /* FIXME: If module_region == mod->init_region, trim exception
  39            table entries. */
  40 }
  41
  42 /* We don't need anything special. */
  43 int module_frob_arch_sections(Elf_Ehdr *hdr,
  44                               Elf_Shdr *sechdrs,
  45                               char *secstrings,
  46                               struct module *mod)
  47 {
  48         return 0;
  49 }
  50
  51 int apply_relocate(Elf32_Shdr *sechdrs,
  52                    const char *strtab,
  53                    unsigned int symindex,
  54                    unsigned int relsec,
  55                    struct module *me)
  56 {
  57         printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n", me->name);
  58         return -ENOEXEC;
  59 }
  60
  61 int apply_relocate_add(Elf32_Shdr *sechdrs,
  62                        const char *strtab,
  63                        unsigned int symindex,
  64                        unsigned int relsec,
  65                        struct module *me)
  66 {
  67         printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n", me->name);
  68         return -ENOEXEC;
  69 }
  70
  71 int module_finalize(const Elf_Ehdr *hdr,
  72                     const Elf_Shdr *sechdrs,
  73                     struct module *me)
  74 {
  75         return 0;
  76 }
  77
  78 void module_arch_cleanup(struct module *mod)
  79 {
  80 }