Re: [PATCH v5 16/24] powerpc/elf: Add 32-bit REL16 relocation definitions

From: R Nageswara Sastry

Date: Tue Sep 08 2026 - 11:12:53 EST


On 08.09.2026 12:03 PM, Thomas Weißschuh wrote:
These are used by userspace and are necessary for the vdsocheck tool.
They share the numbers with their 64-bit variants.

Also update the copy in tools/ so they can be used by vdsocheck.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx>
Tested-by: R Nageswara Sastry <rnsastry@xxxxxxxxxxxxx>

System: ppc64le LPAR (IBM POWER), Linux 7.3-rc2
---
include/uapi/linux/elf-r.h | 7 ++++++-
tools/include/uapi/linux/elf-r.h | 7 ++++++-
2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/include/uapi/linux/elf-r.h b/include/uapi/linux/elf-r.h
index 72fc9045a5d4..170888422400 100644
--- a/include/uapi/linux/elf-r.h
+++ b/include/uapi/linux/elf-r.h
@@ -182,8 +182,13 @@
#define R_PPC_GOT_DTPREL16_HI 93 /* half16* (sym+add)@got@dtprel@h */
#define R_PPC_GOT_DTPREL16_HA 94 /* half16* (sym+add)@got@dtprel@ha */
+#define R_PPC_REL16 249
+#define R_PPC_REL16_LO 250
+#define R_PPC_REL16_HI 251
+#define R_PPC_REL16_HA 252
+
/* keep this the last entry. */
-#define R_PPC_NUM 95
+#define R_PPC_NUM 253
/* PowerPC64 relocations defined by the ABIs */
#define R_PPC64_NONE R_PPC_NONE
diff --git a/tools/include/uapi/linux/elf-r.h b/tools/include/uapi/linux/elf-r.h
index 72fc9045a5d4..170888422400 100644
--- a/tools/include/uapi/linux/elf-r.h
+++ b/tools/include/uapi/linux/elf-r.h
@@ -182,8 +182,13 @@
#define R_PPC_GOT_DTPREL16_HI 93 /* half16* (sym+add)@got@dtprel@h */
#define R_PPC_GOT_DTPREL16_HA 94 /* half16* (sym+add)@got@dtprel@ha */
+#define R_PPC_REL16 249
+#define R_PPC_REL16_LO 250
+#define R_PPC_REL16_HI 251
+#define R_PPC_REL16_HA 252
+
/* keep this the last entry. */
-#define R_PPC_NUM 95
+#define R_PPC_NUM 253
/* PowerPC64 relocations defined by the ABIs */
#define R_PPC64_NONE R_PPC_NONE

--
Thanks and Regards
R.Nageswara Sastry