On Mon, Sep 23, 2019 at 03:24:02PM -0700, 'Nick Desaulniers' via Clang Built Linux 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> > --- > arch/x86/realmode/rm/realmode.lds.S | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/x86/realmode/rm/realmode.lds.S > b/arch/x86/realmode/rm/realmode.lds.S > index 3bb980800c58..2034f5f79bff 100644 > --- a/arch/x86/realmode/rm/realmode.lds.S > +++ b/arch/x86/realmode/rm/realmode.lds.S > @@ -11,6 +11,7 @@ > > OUTPUT_FORMAT("elf32-i386") > OUTPUT_ARCH(i386) > +ENTRY(0x1000) > > SECTIONS > { > -- > 2.23.0.351.gc4317032e6-goog >
This appears to break ld.bfd? ld:arch/x86/realmode/rm/realmode.lds:131: syntax error make[5]: *** [../arch/x86/realmode/rm/Makefile:54: arch/x86/realmode/rm/realmode.elf] Error 1 make[4]: *** [../arch/x86/realmode/Makefile:20: arch/x86/realmode/rm/realmode.bin] Error 2 make[3]: *** [../scripts/Makefile.build:509: arch/x86/realmode] Error 2 Cheers, Nathan
