From: Simon Vallet <linux-ppc@castalie.org>
Date: Wed, 3 Jan 2007 06:49:56 +0000 (+0100)
Subject: [POWERPC] Add support for R_PPC_ADDR16_HI relocations
X-Git-Tag: firefly_0821_release~30992^2~3^2~103
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9a3d6458e9dded0a060115b446531cfc77083ebb;p=firefly-linux-kernel-4.4.55.git

[POWERPC] Add support for R_PPC_ADDR16_HI relocations

apply_relocate_add() does not support R_PPC_ADDR16_HI relocations, which
prevents some non gcc-built modules to be loaded.

Signed-off-by: Simon Vallet <svallet@gmail.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---

diff --git a/arch/powerpc/kernel/module_32.c b/arch/powerpc/kernel/module_32.c
index 8339fd609de0..07a89a398639 100644
--- a/arch/powerpc/kernel/module_32.c
+++ b/arch/powerpc/kernel/module_32.c
@@ -224,7 +224,12 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
 			/* Low half of the symbol */
 			*(uint16_t *)location = value;
 			break;
-		
+
+		case R_PPC_ADDR16_HI:
+			/* Higher half of the symbol */
+			*(uint16_t *)location = (value >> 16);
+			break;
+
 		case R_PPC_ADDR16_HA:
 			/* Sign-adjusted lower 16 bits: PPC ELF ABI says:
 			   (((x >> 16) + ((x & 0x8000) ? 1 : 0))) & 0xFFFF.