Re: PATCH: PR ld/16428: Disallow -shared/-pie, -shared/-static, -pie/-static

["H.J. Lu" <hjl dot tools at gmail dot com>]

On Tue, Jan 14, 2014 at 1:45 PM, Joseph S. Myers
<joseph@codesourcery.com> wrote:
> On Tue, 14 Jan 2014, H.J. Lu wrote:
>
>> On Tue, Jan 14, 2014 at 11:37 AM, Joseph S. Myers
>> <joseph@codesourcery.com> wrote:
>> > On Tue, 14 Jan 2014, H.J. Lu wrote:
>> >
>> >> When there is -static, -dynamic-linker won't passed to ld.  -static,
>> >> -shared, -pie should be mutually exclusive for GCC driver.
>> >
>> > A static PIE shouldn't specify an interpreter; it should handle all
>> > dynamic relocation processing itself.  Thus, it's correct not to specify
>> > -dynamic-linker when building a static PIE.
>>
>> If -dynamic-linker isn't specified, linker will use
>> the default dynamic linker:
>
> I'd say that's a bug in ld - that it shouldn't specify an interpreter at
> all (that the startup code / libc for static PIEs needs to include all the
> relevant parts of the dynamic linker to make the binary relocate itself).
>

The -static part of "-static -pie" passed to linker tells linker
searches libfoo.a, not libfoo.so for -lfoo.  You can add
-Bdynamic to change it for latter inputs.   It has nothing to do
if interpreter is used or not.


-- 
H.J.