vserver 1.9.5.x5
[linux-2.6.git] / arch / m68knommu / kernel / module.c
index 8eb130e..3b1a2ff 100644 (file)
@@ -82,9 +82,38 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
                       unsigned int relsec,
                       struct module *me)
 {
-       printk(KERN_ERR "module %s: ADD RELOCATION unsupported\n",
-              me->name);
-       return -ENOEXEC;
+       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,