linux-kernel - [PATCH v4 22/24] MIPS: ELF: Add more PC-relative relocation definitions

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Message-Id: <20250812-vdso-absolute-reloc-v4-22-61a8b615e5ec@linutronix.de>
Date: Tue, 12 Aug 2025 07:44:35 +0200
From: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
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 Thomas Weißschuh <thomas.weissschuh@...utronix.de>
Subject: [PATCH v4 22/24] MIPS: ELF: Add more PC-relative relocation
 definitions

These are used by userspace and are necessary for the vdsocheck tool.

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

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
---
 include/uapi/linux/elf-r.h       | 6 ++++++
 tools/include/uapi/linux/elf-r.h | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/include/uapi/linux/elf-r.h b/include/uapi/linux/elf-r.h
index e750989e44e8f517d7dacf9d3a338af7a136e40f..9f7457ba1c63252d10b9ab25601581bd99af7a21 100644
--- a/include/uapi/linux/elf-r.h
+++ b/include/uapi/linux/elf-r.h
@@ -616,10 +616,16 @@
  */
 #define R_MIPS_PC21_S2		60
 #define R_MIPS_PC26_S2		61
+#define R_MIPS_PC18_S3		62
+#define R_MIPS_PC19_S2		63
+#define R_MIPS_PCHI16		64
+#define R_MIPS_PCLO16		65
 /*
  * This range is reserved for vendor specific relocations.
  */
 #define R_MIPS_LOVENDOR		100
 #define R_MIPS_HIVENDOR		127

+#define R_MIPS_PC32		248
+
 #endif /* _UAPI_LINUX_ELF_R_H */
diff --git a/tools/include/uapi/linux/elf-r.h b/tools/include/uapi/linux/elf-r.h
index e750989e44e8f517d7dacf9d3a338af7a136e40f..9f7457ba1c63252d10b9ab25601581bd99af7a21 100644
--- a/tools/include/uapi/linux/elf-r.h
+++ b/tools/include/uapi/linux/elf-r.h
@@ -616,10 +616,16 @@
  */
 #define R_MIPS_PC21_S2		60
 #define R_MIPS_PC26_S2		61
+#define R_MIPS_PC18_S3		62
+#define R_MIPS_PC19_S2		63
+#define R_MIPS_PCHI16		64
+#define R_MIPS_PCLO16		65
 /*
  * This range is reserved for vendor specific relocations.
  */
 #define R_MIPS_LOVENDOR		100
 #define R_MIPS_HIVENDOR		127

+#define R_MIPS_PC32		248
+
 #endif /* _UAPI_LINUX_ELF_R_H */

-- 
2.50.1