How do I get a .s file assembled into libgcj?

Thu Aug 7 00:09:00 GMT 2003

Tom Tromey wrote:
>>>>>>"David" == David Daney <ddaney@avtrex.com> writes:
>>>>>>>>>>>>>>David> The problem I have is that my current solution requires an assembly
>David> language source file and I cannot figure out how to adjust
>David> configure.in and/or Makefile.am for libjava so that the .s file is
>David> compiled from the source tree and then added to libgcj.{so|a}.
>>It should be as easy as adding the .s file to the appropriate
>_SOURCES macro in Makefile.am, and re-running automake.
>>Thanks, I am slowly figuring it out. Conditionally including the .s 
file is now solved.
>However, I think we'd really prefer something more along the lines of
>the other existing ports, if that is possible. Andrew is the expert
>on this part. But see how the other ports do it. My understanding is
>that this is done by writing some glue code (see, e.g.,
>libjava/include/powerpc-signal.h) and also implementing
>MD_FALLBACK_FRAME_STATE_FOR in gcc.
>This is that approach I took. However, currently I still need an 
additional .s file.
>>If there's no other way, adding a conditional assembly source would
>be fine.
>>David> As an alternative I could put the code in a C++ function using the
>David> asm() statement, but I would need some way to force the C++ compiler
>David> to always generate an identical stack frame layout no matter what
>David> optimization or code generation options were used.
>>Again, Andrew is the expert here.
>>>If you're interested in a full MIPS port, you could also implement the
>libffi closure API and the locking code to enable hash
>synchronization. The former is useful for the interpreter and
>reflection; the latter is more generally useful.
>One thing at a time. I suspect I will be looking into these soon.
Thanks again.
David.