[webkit-dev] JIT for arm is dependant on gcc
Zoltan Herczeg
zherczeg at inf.u-szeged.hu
Wed Oct 21 09:44:58 PDT 2009
Hi,
these entry/leave functions are implemented in assembly for all ports. It
is faster this way. (Previously, the jit generated these functions, but
the reviewers convinced us to do this way).
External .asm files would be a nightmare, since we have to create (and
maintain) the build rules for all ports.
Is is difficult to implement these functions for your assembler? They are
simple code fragments.
Zoltan
> I've noticed that there are three functions that use inline gcc
> assembler for compiling JIT for ARM_TRADITIONAL. Is it possible for
> these to be reworked using the macro assembler so that JIT can be
> compiled without the gcc toolchain dependency for arm? (sp. I am using
> armasm from Microsoft?).
>
>
>
> Alternatively, perhaps this could be moved to an external .asm or .s
> file. This looks like it has been done for PaintHooks.asm; so maybe
> something similar to that.
>
>
>
> These are the functions that I am missing trying to build JIT:
>
>
>
> CacheFlush, ctiTrampoline, ctiVMThrowTrampoline & ctiOpThrowNotCaught
>
>
>
> If there is a way to compile JIT without these dependencies please let
> me know.
>
>
>
> Thanks,
>
> Jason.
>
>
>
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