[SPARC]: Handle UNWIND_INFO properly.

For sparc32 we need R_SPARC_UA32 relocation support, for
sparc64 we need the handle R_SPARC_DISP32 relocations.

Based upon reports and initial patch by Martin Habets.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/module.c b/arch/sparc64/kernel/module.c
index 6c83e37..5798715 100644
--- a/arch/sparc64/kernel/module.c
+++ b/arch/sparc64/kernel/module.c
@@ -143,6 +143,11 @@
 			location[3] = v >>  0;
 			break;
 
+		case R_SPARC_DISP32:
+			v -= (Elf64_Addr) location;
+			*loc32 = v;
+			break;
+
 		case R_SPARC_WDISP30:
 			v -= (Elf64_Addr) location;
 			*loc32 = (*loc32 & ~0x3fffffff) |