linux/arch/frv/kernel/module.c
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   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
  25void *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 */
  35void 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. */
  43int module_frob_arch_sections(Elf_Ehdr *hdr,
  44                              Elf_Shdr *sechdrs,
  45                              char *secstrings,
  46                              struct module *mod)
  47{
  48        return 0;
  49}
  50
  51int 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
  61int 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
  71int module_finalize(const Elf_Ehdr *hdr,
  72                    const Elf_Shdr *sechdrs,
  73                    struct module *me)
  74{
  75        return 0;
  76}
  77
  78void module_arch_cleanup(struct module *mod)
  79{
  80}
  81