text: /*  Kernel module help for powerpc.
      Copyright (C) 2001, 2003 Rusty Russell IBM Corporation.
      Copyright (C) 2008 Freescale Semiconductor, Inc.
  
      This program is free software; you can redistribute it and/or modify
      it under the terms of the GNU General Public License as published by
      the Free Software Foundation; either version 2 of the License, or
      (at your option) any later version.
  
      This program is distributed in the hope that it will be useful,
      but WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      GNU General Public License for more details.
  
      You should have received a copy of the GNU General Public License
      along with this program; if not, write to the Free Software
      Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
  #include <linux/elf.h>
  #include <linux/moduleloader.h>
  #include <linux/err.h>
  #include <linux/vmalloc.h>
  #include <linux/bug.h>
  #include <asm/module.h>
  #include <asm/uaccess.h>
  #include <asm/firmware.h>
  #include <linux/sort.h>
  #include <asm/setup.h>
  
  LIST_HEAD(module_bug_list);
  
  static const Elf_Shdr *find_section(const Elf_Ehdr *hdr,
  				    const Elf_Shdr *sechdrs,
  				    const char *name)
  {
  	char *secstrings;
  	unsigned int i;
  
  	secstrings = (char *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
  	for (i = 1; i < hdr->e_shnum; i++)
  		if (strcmp(secstrings+sechdrs[i].sh_name, name) == 0)
  			return &sechdrs[i];
  	return NULL;
  }
  
  int module_finalize(const Elf_Ehdr *hdr,
  		const Elf_Shdr *sechdrs, struct module *me)
  {
  	const Elf_Shdr *sect;
  	int rc;
  
  	rc = module_finalize_ftrace(me, sechdrs);
  	if (rc)
  		return rc;
  
  	/* Apply feature fixups */
  	sect = find_section(hdr, sechdrs, "__ftr_fixup");
  	if (sect != NULL)
  		do_feature_fixups(cur_cpu_spec->cpu_features,
  				  (void *)sect->sh_addr,
  				  (void *)sect->sh_addr + sect->sh_size);
  
  	sect = find_section(hdr, sechdrs, "__mmu_ftr_fixup");
  	if (sect != NULL)
  		do_feature_fixups(cur_cpu_spec->mmu_features,
  				  (void *)sect->sh_addr,
  				  (void *)sect->sh_addr + sect->sh_size);
  
  #ifdef CONFIG_PPC64
  	sect = find_section(hdr, sechdrs, "__fw_ftr_fixup");
  	if (sect != NULL)
  		do_feature_fixups(powerpc_firmware_features,
  				  (void *)sect->sh_addr,
  				  (void *)sect->sh_addr + sect->sh_size);
  #endif
  
  	sect = find_section(hdr, sechdrs, "__lwsync_fixup");
  	if (sect != NULL)
  		do_lwsync_fixups(cur_cpu_spec->cpu_features,
  				 (void *)sect->sh_addr,
  				 (void *)sect->sh_addr + sect->sh_size);
  
  	return 0;
  }
  