[PATCH v4 3/4] arm64: vdso32: put ELF related sections in the linker script

Joey Gouly joey.gouly at arm.com
Thu Apr 14 03:46:10 PDT 2022


Use macros from vmlinux.lds.h to explicitly name sections that are included
in the compat VDSO32 output.

Signed-off-by: Joey Gouly <joey.gouly at arm.com>
Cc: Catalin Marinas <catalin.marinas at arm.com>
Cc: Will Deacon <will at kernel.org>
Cc: Masahiro Yamada <masahiroy at kernel.org>
Cc: Vincenzo Frascino <vincenzo.frascino at arm.com>
Cc: Kees Cook <keescook at chromium.org>
---
 arch/arm64/kernel/vdso32/vdso.lds.S | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/kernel/vdso32/vdso.lds.S b/arch/arm64/kernel/vdso32/vdso.lds.S
index 3348ce5ea306..3bb955f08240 100644
--- a/arch/arm64/kernel/vdso32/vdso.lds.S
+++ b/arch/arm64/kernel/vdso32/vdso.lds.S
@@ -11,6 +11,7 @@
 #include <linux/const.h>
 #include <asm/page.h>
 #include <asm/vdso.h>
+#include <asm-generic/vmlinux.lds.h>
 
 OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
 OUTPUT_ARCH(arm)
@@ -42,6 +43,9 @@ SECTIONS
 	.got		: { *(.got) }
 	.rel.plt	: { *(.rel.plt) }
 
+	ELF_DETAILS
+	.ARM.attributes 0 : { *(.ARM.attributes) }
+
 	/DISCARD/	: {
 		*(.note.GNU-stack)
 		*(.data .data.* .gnu.linkonce.d.* .sdata*)
-- 
2.17.1




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