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Re: "ld -r" on mixed IR/non-IR objects (
On Tue, Dec 7, 2010 at 5:39 PM, Ian Lance Taylor <iant@google.com> wrote:
> "H. Peter Anvin" <hpa@zytor.com> writes:
>
>> On 12/07/2010 04:20 PM, Andi Kleen wrote:
>>>
>>> The only problem left is mixing of lto and non lto objects. this right
>>> now is not handled. IMHO still the best way to handle it is to use
>>> slim lto and then simply separate link the "left overs" after deleting
>>> the LTO objects. This can be actually done with objcopy (with some
>>> limitations), doesn't even need linker support.
>>>
>>
>> Quite possibly a better way to deal with that is to provide a mechanism
>> for encapsulating arbitrary binary code objects inside the LTO IR.
>
> And when we use a special section name, using an unprintable name is
> needlessly painful and will make it hard to play convenient games with
> objcopy. ?Just use a printable name starting with .gnu.
>
> (This assumes that we do need a special section, rather than, say, a
> note.)
Section works for non-ELF system. How about .gnu_object_only section
and with SHT_GNU_OBJECT_ONLY type on ELF?
--
H.J.