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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2018-09-18 23:51:39 -0700
committerThomas Gleixner <tglx@linutronix.de>2018-09-27 17:56:47 +0200
commitb40a142b12b5c4312171140ff2bc92971b8a7a09 (patch)
treeecbb0681c94c16b8945f2b3e37a3b0aac53ea9c6 /arch/x86/um
parentc296146c058c87e9ed53001b6a3988519dbbb6a5 (diff)
downloadlinux-b40a142b12b5c4312171140ff2bc92971b8a7a09.tar.bz2
x86: Add support for 64-bit place relative relocations
Add support for R_X86_64_PC64 relocations, which operate on 64-bit quantities holding a relative symbol reference. Also remove the definition of R_X86_64_NUM: given that it is currently unused, it is unclear what the new value should be. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-s390@vger.kernel.org Cc: Arnd Bergmann <arnd@arndb.de> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Kees Cook <keescook@chromium.org> Cc: Will Deacon <will.deacon@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Jessica Yu <jeyu@kernel.org> Link: https://lkml.kernel.org/r/20180919065144.25010-5-ard.biesheuvel@linaro.org
Diffstat (limited to 'arch/x86/um')
-rw-r--r--arch/x86/um/asm/elf.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/um/asm/elf.h b/arch/x86/um/asm/elf.h
index 548197212a45..413f3519d9a1 100644
--- a/arch/x86/um/asm/elf.h
+++ b/arch/x86/um/asm/elf.h
@@ -116,8 +116,7 @@ do { \
#define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */
#define R_X86_64_8 14 /* Direct 8 bit sign extended */
#define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */
-
-#define R_X86_64_NUM 16
+#define R_X86_64_PC64 24 /* Place relative 64-bit signed */
/*
* This is used to ensure we don't load something for the wrong architecture.