[cfe-dev] Clang and -mcmodel=large
andreaorru91 at gmail.com
Sun Jun 7 12:23:03 CDT 2009
No, nothing from clang.
2009/6/7 Shantonu Sen <ssen at apple.com>
> Well, no. If you're getting:clang: warning: argument unused during
> compilation: '-mcmodel=large'
> Then it's an issue with clang not honoring the option and passing it
> through to the backend codegen layers.
> Sent from my MacBook
> On Jun 7, 2009, at 10:13 AM, Andrea Orrù wrote:
> Do you confirm that? Do I have to put the same question in the llvm mailing
> 2009/6/7 Sebastian Redl <sebastian.redl at getdesigned.at>
>> Andrea Orrů wrote:
>> > Hello all,
>> > I'm developing a hobby kernel for x86-64 machines,
>> > and I put the kernel into the higher half.
>> > I'm trying to switch from GCC to Clang, but it seems
>> > that the latter doesn't support the -mcmodel=large
>> > option, which is required in order to put the kernel
>> > at the 0xFFFF800000000000 in virtual memory,
>> > as specified in my linker script:
>> > http://pastebin.com/f2f9e0112
>> > Any workarounds or plans for implementing that feature
>> > in the Clang compiler?
>> Does Clang proper even care about the memory model? I think this is more
>> an issue for LLVM core than Clang.
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