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-rw-r--r--arch/mn10300/kernel/module.c156
1 files changed, 0 insertions, 156 deletions
diff --git a/arch/mn10300/kernel/module.c b/arch/mn10300/kernel/module.c
deleted file mode 100644
index 216ad23c9570..000000000000
--- a/arch/mn10300/kernel/module.c
+++ /dev/null
@@ -1,156 +0,0 @@
-/* MN10300 Kernel module helper routines
- *
- * Copyright (C) 2007, 2008, 2009 Red Hat, Inc. All Rights Reserved.
- * Written by Mark Salter (msalter@redhat.com)
- * - Derived from arch/i386/kernel/module.c
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public Licence as published by
- * the Free Software Foundation; either version 2 of the Licence, 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 Licence for more details.
- *
- * You should have received a copy of the GNU General Public Licence
- * 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/moduleloader.h>
-#include <linux/elf.h>
-#include <linux/vmalloc.h>
-#include <linux/fs.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/bug.h>
-
-#if 0
-#define DEBUGP printk
-#else
-#define DEBUGP(fmt, ...)
-#endif
-
-static void reloc_put16(uint8_t *p, uint32_t val)
-{
- p[0] = val & 0xff;
- p[1] = (val >> 8) & 0xff;
-}
-
-static void reloc_put24(uint8_t *p, uint32_t val)
-{
- reloc_put16(p, val);
- p[2] = (val >> 16) & 0xff;
-}
-
-static void reloc_put32(uint8_t *p, uint32_t val)
-{
- reloc_put16(p, val);
- reloc_put16(p+2, val >> 16);
-}
-
-/*
- * apply a RELA relocation
- */
-int apply_relocate_add(Elf32_Shdr *sechdrs,
- const char *strtab,
- unsigned int symindex,
- unsigned int relsec,
- struct module *me)
-{
- unsigned int i, sym_diff_seen = 0;
- Elf32_Rela *rel = (void *)sechdrs[relsec].sh_addr;
- Elf32_Sym *sym;
- Elf32_Addr relocation, sym_diff_val = 0;
- uint8_t *location;
- uint32_t value;
-
- DEBUGP("Applying relocate section %u to %u\n",
- relsec, sechdrs[relsec].sh_info);
-
- for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) {
- /* this is where to make the change */
- location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr
- + rel[i].r_offset;
-
- /* this is the symbol the relocation is referring to (note that
- * all undefined symbols have been resolved by the caller) */
- sym = (Elf32_Sym *)sechdrs[symindex].sh_addr
- + ELF32_R_SYM(rel[i].r_info);
-
- /* this is the adjustment to be made */
- relocation = sym->st_value + rel[i].r_addend;
-
- if (sym_diff_seen) {
- switch (ELF32_R_TYPE(rel[i].r_info)) {
- case R_MN10300_32:
- case R_MN10300_24:
- case R_MN10300_16:
- case R_MN10300_8:
- relocation -= sym_diff_val;
- sym_diff_seen = 0;
- break;
- default:
- printk(KERN_ERR "module %s: Unexpected SYM_DIFF relocation: %u\n",
- me->name, ELF32_R_TYPE(rel[i].r_info));
- return -ENOEXEC;
- }
- }
-
- switch (ELF32_R_TYPE(rel[i].r_info)) {
- /* for the first four relocation types, we simply
- * store the adjustment at the location given */
- case R_MN10300_32:
- reloc_put32(location, relocation);
- break;
- case R_MN10300_24:
- reloc_put24(location, relocation);
- break;
- case R_MN10300_16:
- reloc_put16(location, relocation);
- break;
- case R_MN10300_8:
- *location = relocation;
- break;
-
- /* for the next three relocation types, we write the
- * adjustment with the address subtracted over the
- * value at the location given */
- case R_MN10300_PCREL32:
- value = relocation - (uint32_t) location;
- reloc_put32(location, value);
- break;
- case R_MN10300_PCREL16:
- value = relocation - (uint32_t) location;
- reloc_put16(location, value);
- break;
- case R_MN10300_PCREL8:
- *location = relocation - (uint32_t) location;
- break;
-
- case R_MN10300_SYM_DIFF:
- /* This is used to adjust the next reloc as required
- * by relaxation. */
- sym_diff_seen = 1;
- sym_diff_val = sym->st_value;
- break;
-
- case R_MN10300_ALIGN:
- /* Just ignore the ALIGN relocs.
- * Only interesting if kernel performed relaxation. */
- continue;
-
- default:
- printk(KERN_ERR "module %s: Unknown relocation: %u\n",
- me->name, ELF32_R_TYPE(rel[i].r_info));
- return -ENOEXEC;
- }
- }
- if (sym_diff_seen) {
- printk(KERN_ERR "module %s: Nothing follows SYM_DIFF relocation: %u\n",
- me->name, ELF32_R_TYPE(rel[i].r_info));
- return -ENOEXEC;
- }
- return 0;
-}