On Wed, Feb 7, 2024 at 4:15 PM Nathan Chancellor <nathan@xxxxxxxxxx> wrote: > > 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 <nathan@xxxxxxxxxx> > --- > 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 ff8c62d84f98..83af17bfe630 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. > > -- > 2.43.0 > Reviewed-by: Fangrui Song <maskray@xxxxxxxxxx> -- 宋方睿
