X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fm68knommu%2Fkernel%2Fmodule.c;h=3b1a2ff61ddcf18846fc108859e964a6d28110fd;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=8eb130e8b8ce24a482b225cfb852e8cfb9adf854;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git

diff --git a/arch/m68knommu/kernel/module.c b/arch/m68knommu/kernel/module.c
index 8eb130e8b..3b1a2ff61 100644
--- a/arch/m68knommu/kernel/module.c
+++ b/arch/m68knommu/kernel/module.c
@@ -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,