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Date: Thu, 26 Jan 2023 03:24:19 +0100
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Subject: Re: DXE3 with std::vector
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From: "J.W. Jagersma (jwjagersma AT gmail DOT com) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
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Reply-To: djgpp AT delorie DOT com

On 2023-01-25 21:22, J.W. Jagersma wrote:
> On 2023-01-25 20:25, Ozkan Sezer (sezeroz AT gmail DOT com) [via djgpp AT delorie DOT com] wrote:
>> On 1/25/23, Andris Pavenis (andris DOT pavenis AT iki DOT fi) [via
>> djgpp AT delorie DOT com] <djgpp AT delorie DOT com> wrote:
>>> On 1/23/23 20:06, J.W. Jagersma (jwjagersma AT gmail DOT com) [via
>>> djgpp AT delorie DOT com] wrote:
>>>> On 2023-01-23 05:00, Ozkan Sezer (sezeroz AT gmail DOT com) [via
>>>> djgpp AT delorie DOT com] wrote:
>>>>> The thing is, dxe3gen invokes ld, not gcc.  gcc is a front-end to ld
>>>>> and handles any such ugliness behind the scene and doing the same for
>>>>> dxe3gen might be a real pain.
>>>> I think the tricky part is to prevent gcc from invoking stubify on the
>>>> resulting object file.  Otherwise, it doesn't look too difficult.  Just
>>>> replace
>>>> param sequences such as "-T" "dxe.ld" with "-Wl,-T,dxe.ld".  The same can
>>>> be
>>>> done for DXE_AS.
>>> It is should be easy:
>>>
>>> 1) dump GCC specs (gcc -dumpspecs >some_file
>>>
>>> 2) delete next line after line containing '*post_link:'
>>>
>>> 3)  use that file in  -T option
>>>
>>>
>>> Andris
>>
>> No '*post_link:' in my gcc's dumpspecs (gcc-3.4.6, cross- from linux.)
> 
> I think Andris added the post_link step somewhere in 4.x, earlier versions do
> not call stubify.  So that doesn't require any special code.

Sorry, that's incorrect, earlier versions *do* call stubify, but via
link_command.  I thought they used the stub that ld attaches.

So, if gcc < 4.x must be supported, that does make things more complicated.