[MODULE]: On sparc, ignore undefined symbols of type STT_REGISTER.

kernel/module.c

@@ -973,6 +973,11 @@ static int simplify_symbols(Elf_Shdr *sechdrs,
 			/* Ok if weak.  */
 			if (ELF_ST_BIND(sym[i].st_info) == STB_WEAK)
 				break;
+#if defined(CONFIG_SPARC32) || defined(CONFIG_SPARC64)
+			/* Ok if Sparc register directive. */
+			if (ELF_ST_TYPE(sym[i].st_info) == STT_REGISTER)
+				break;
+#endif
 
 			printk(KERN_WARNING "%s: Unknown symbol %s\n",
 			       mod->name, strtab + sym[i].st_name);

scripts/modpost.c

@@ -296,6 +296,12 @@ handle_modversions(struct module *mod, struct elf_info *info,
 		/* ignore global offset table */
 		if (strcmp(symname, "_GLOBAL_OFFSET_TABLE_") == 0)
 			break;
+		if (info->hdr->e_machine == EM_SPARC ||
+		    info->hdr->e_machine == EM_SPARCV9) {
+			/* Ignore register directives. */
+			if (ELF_ST_TYPE(sym->st_info) == STT_REGISTER)
+				break;
+		}
 		
 		if (memcmp(symname, MODULE_SYMBOL_PREFIX,
 			   strlen(MODULE_SYMBOL_PREFIX)) == 0) {

scripts/modpost.h

@@ -17,6 +17,7 @@
 #define Elf_Shdr    Elf32_Shdr 
 #define Elf_Sym     Elf32_Sym
 #define ELF_ST_BIND ELF32_ST_BIND
+#define ELF_ST_TYPE ELF32_ST_TYPE
 
 #else
 
@@ -24,6 +25,7 @@
 #define Elf_Shdr    Elf64_Shdr 
 #define Elf_Sym     Elf64_Sym
 #define ELF_ST_BIND ELF64_ST_BIND
+#define ELF_ST_TYPE ELF64_ST_TYPE
 
 #endif