From ba6c26af1ee72f1812cbdac899416e7e1afa1fdb Mon Sep 17 00:00:00 2001 From: Nathan Chancellor Date: Wed, 7 Feb 2024 17:14:59 -0700 Subject: s390/boot: vmlinux.lds.S: handle DWARF debug sections When building with CONFIG_LD_ORPHAN_WARN after selecting CONFIG_ARCH_HAS_LD_ORPHAN_WARN, there are several series of warnings for each file in arch/s390/boot due to the boot linker script not handling the DWARF debug sections: s390-linux-ld: warning: orphan section `.debug_line' from `arch/s390/boot/head.o' being placed in section `.debug_line' s390-linux-ld: warning: orphan section `.debug_info' from `arch/s390/boot/head.o' being placed in section `.debug_info' s390-linux-ld: warning: orphan section `.debug_abbrev' from `arch/s390/boot/head.o' being placed in section `.debug_abbrev' s390-linux-ld: warning: orphan section `.debug_aranges' from `arch/s390/boot/head.o' being placed in section `.debug_aranges' s390-linux-ld: warning: orphan section `.debug_str' from `arch/s390/boot/head.o' being placed in section `.debug_str' include/asm-generic/vmlinux.lds.h has a macro for DWARF debug sections named DWARF_DEBUG, use it to clear up the warnings. Signed-off-by: Nathan Chancellor Tested-by: Justin Stitt Reviewed-by: Fangrui Song Link: https://lore.kernel.org/r/20240207-s390-lld-and-orphan-warn-v1-7-8a665b3346ab@kernel.org Signed-off-by: Heiko Carstens --- arch/s390/boot/vmlinux.lds.S | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/s390/boot/vmlinux.lds.S b/arch/s390/boot/vmlinux.lds.S index ba6520a9541b..722025dec0ee 100644 --- a/arch/s390/boot/vmlinux.lds.S +++ b/arch/s390/boot/vmlinux.lds.S @@ -122,6 +122,8 @@ SECTIONS } _end = .; + DWARF_DEBUG + /* * Sections that should stay zero sized, which is safer to * explicitly check instead of blindly discarding. -- cgit v1.2.3