RE: bug of ld 2.20.1

[徐超]

Hello:

I extract one kbd_mgr.o from the archive, it  will pass to link together.

The symbol (bdmgrGetShiftFlagStatusByte) which not found  is located in kbd_mgr.o.

> Date: Fri, 3 Sep 2010 11:09:53 +0930
> From: address@hidden
> To: address@hidden
> CC: address@hidden
> Subject: Re: bug of ld 2.20.1
>
> On Thu, Sep 02, 2010 at 01:25:11PM +0800, 徐超 wrote:
> >
> > Recently, I update the toolchain(binutils 2.20.1) I meet one issue on LD.
> > When I use LD to link the object with options “�Coformat binary “ and “--start-group �Cend-group” simultaneously,
> > LD fail to find the symbol.
> >
> > When I remove “―oformat”, it can build the ELF file. I try to write some simple case to reproduce it, but in the simple
> > Case, it is OK.
> > (host i686-pc-linux-gnu target i686-cm-linux)
> >
> > The log file is as follow:
> > Linking: elf/rom.bin
> > ../..//lib/elf/libcore.a(bios_keybd.o): In function `biosKeybdShiftStatus':
> > bios_keybd.c:(.text+0x67): undefined reference to `kbdmgrGetShiftFlagStatusByte'
> > ../..//lib/elf/libcore.a(bios_keybd.o): In function `biosKeybdExtendedShiftStatus':
> > bios_keybd.c:(.text+0x8b): undefined reference to `kbdmgrGetShiftFlagStatusByte'
> > I use readelf and objdump to check the symbol, the symbol can be found in the libcore.a.
> > At the same time the LD (2.17.50, 2.18.50) both can work under this situation.
> > So it should be bug.
>
> What happens if you do not use an archive? ie. extract the files in
> the archive then specify all of them on the ld command line?
>
> --
> Alan Modra
> Australia Development Lab, IBM