[PATCH] ppc64: Add R_PPC64_TOC16 module reloc
Peter Bergner [Tue, 11 Oct 2005 16:28:24 +0000 (09:28 -0700)]
Newer gcc's are generating this relocation, so the module loader needs to
handle it.

Signed-off-by: Peter Bergner <bergner@vnet.ibm.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/ppc64/kernel/module.c

index c683bf8..928b858 100644 (file)
@@ -341,6 +341,19 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
                        *(unsigned long *)location = my_r2(sechdrs, me);
                        break;
 
+               case R_PPC64_TOC16:
+                       /* Subtact TOC pointer */
+                       value -= my_r2(sechdrs, me);
+                       if (value + 0x8000 > 0xffff) {
+                               printk("%s: bad TOC16 relocation (%lu)\n",
+                                      me->name, value);
+                               return -ENOEXEC;
+                       }
+                       *((uint16_t *) location)
+                               = (*((uint16_t *) location) & ~0xffff)
+                               | (value & 0xffff);
+                       break;
+
                case R_PPC64_TOC16_DS:
                        /* Subtact TOC pointer */
                        value -= my_r2(sechdrs, me);