1 files changed, 127 insertions, 3 deletions

diff --git a/arch/m68k/kernel/module.c b/arch/m68k/kernel/module.c
index 7ea203ce6b1a..34849c4c6e3d 100644
--- a/arch/m68k/kernel/module.c
+++ b/arch/m68k/kernel/module.c
@@ -1,5 +1,129 @@
-#ifdef CONFIG_MMU
-#include "module_mm.c"
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/moduleloader.h>
+#include <linux/elf.h>
+#include <linux/vmalloc.h>
+#include <linux/fs.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+
+#if 0
+#define DEBUGP printk
 #else
-#include "module_no.c"
+#define DEBUGP(fmt...)
+#endif
+
+#ifdef CONFIG_MODULES
+
+int apply_relocate(Elf32_Shdr *sechdrs,
+                   const char *strtab,
+                   unsigned int symindex,
+                   unsigned int relsec,
+                   struct module *me)
+{
+        unsigned int i;
+        Elf32_Rel *rel = (void *)sechdrs[relsec].sh_addr;
+        Elf32_Sym *sym;
+        uint32_t *location;
+
+        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 it is referring to.  Note that all
+                   undefined symbols have been resolved.  */
+                sym = (Elf32_Sym *)sechdrs[symindex].sh_addr
+                        + ELF32_R_SYM(rel[i].r_info);
+
+                switch (ELF32_R_TYPE(rel[i].r_info)) {
+                case R_68K_32:
+                        /* We add the value into the location given */
+                        *location += sym->st_value;
+                        break;
+                case R_68K_PC32:
+                        /* Add the value, subtract its postition */
+                        *location += sym->st_value - (uint32_t)location;
+                        break;
+                default:
+                        printk(KERN_ERR "module %s: Unknown relocation: %u\n",
+                               me->name, ELF32_R_TYPE(rel[i].r_info));
+                        return -ENOEXEC;
+                }
+        }
+        return 0;
+}
+
+int apply_relocate_add(Elf32_Shdr *sechdrs,
+                       const char *strtab,
+                       unsigned int symindex,
+                       unsigned int relsec,
+                       struct module *me)
+{
+        unsigned int i;
+        Elf32_Rela *rel = (void *)sechdrs[relsec].sh_addr;
+        Elf32_Sym *sym;
+        uint32_t *location;
+
+        DEBUGP("Applying relocate_add 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 it is referring to.  Note that all
+                   undefined symbols have been resolved.  */
+                sym = (Elf32_Sym *)sechdrs[symindex].sh_addr
+                        + ELF32_R_SYM(rel[i].r_info);
+
+                switch (ELF32_R_TYPE(rel[i].r_info)) {
+                case R_68K_32:
+                        /* We add the value into the location given */
+                        *location = rel[i].r_addend + sym->st_value;
+                        break;
+                case R_68K_PC32:
+                        /* Add the value, subtract its postition */
+                        *location = rel[i].r_addend + sym->st_value - (uint32_t)location;
+                        break;
+                default:
+                        printk(KERN_ERR "module %s: Unknown relocation: %u\n",
+                               me->name, ELF32_R_TYPE(rel[i].r_info));
+                        return -ENOEXEC;
+                }
+        }
+        return 0;
+}
+
+int module_finalize(const Elf_Ehdr *hdr,
+                    const Elf_Shdr *sechdrs,
+                    struct module *mod)
+{
+        module_fixup(mod, mod->arch.fixup_start, mod->arch.fixup_end);
+        return 0;
+}
+
+#endif /* CONFIG_MODULES */
+
+void module_fixup(struct module *mod, struct m68k_fixup_info *start,
+                  struct m68k_fixup_info *end)
+{
+#ifdef CONFIG_MMU
+        struct m68k_fixup_info *fixup;
+
+        for (fixup = start; fixup < end; fixup++) {
+                switch (fixup->type) {
+                case m68k_fixup_memoffset:
+                        *(u32 *)fixup->addr = m68k_memoffset;
+                        break;
+                case m68k_fixup_vnode_shift:
+                        *(u16 *)fixup->addr += m68k_virt_to_node_shift;
+                        break;
+                }
+        }
 #endif
+}