On Tue, Sep 24, 2019 at 12:33 PM Nick Desaulniers <ndesaulni...@google.com> wrote: > > Linking with ld.lld via $ make LD=ld.lld produces the warning: > ld.lld: warning: cannot find entry symbol _start; defaulting to 0x1000 > > Linking with ld.bfd shows the default entry is 0x1000: > $ readelf -h arch/x86/realmode/rm/realmode.elf | grep Entry > Entry point address: 0x1000 > > While ld.lld is being pedantic, just set the entry point explicitly, > instead of depending on the implicit default. > > Link: https://github.com/ClangBuiltLinux/linux/issues/216 > Signed-off-by: Nick Desaulniers <ndesaulni...@google.com>
I meant to pick up Sedat's reported by tag: Reported-by: Sedat Dilek <sedat.di...@gmail.com> > --- > Changes V1 -> V2: > * Use command line flag, rather than linker script, as ld.bfd produces a > syntax error for `ENTRY(0x1000)` but is happy with `-e 0x1000` > > arch/x86/realmode/rm/Makefile | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile > index f60501a384f9..338a00c5257f 100644 > --- a/arch/x86/realmode/rm/Makefile > +++ b/arch/x86/realmode/rm/Makefile > @@ -46,7 +46,7 @@ $(obj)/pasyms.h: $(REALMODE_OBJS) FORCE > targets += realmode.lds > $(obj)/realmode.lds: $(obj)/pasyms.h > > -LDFLAGS_realmode.elf := -m elf_i386 --emit-relocs -T > +LDFLAGS_realmode.elf := -m elf_i386 --emit-relocs -e 0x1000 -T > CPPFLAGS_realmode.lds += -P -C -I$(objtree)/$(obj) > > targets += realmode.elf > -- > 2.23.0.351.gc4317032e6-goog > -- Thanks, ~Nick Desaulniers
