integrating the arm bytecode interpreter into IcedTea

[Matthias Klose]

On 15.07.2009 10:43, Gary Benson wrote:
>
  Matthias Klose wrote:
>> What does it take to integrate the arm bytecode interpreter written
>> by Edward into IcedTea? I currently build it as a set of extra
>> patches applied to the Ubuntu packaging, which works ok. Ed provided
>> another fix to make it work on armv4 as well, so we don't need any
>> explicit configuration option anymore (?).
>
> I guess the deal would be to make a patch, and post it to the list for
> people to look at.

[...]

leaving out these other question to Ed. He probably won't be able to answer 
before Mid auf August.

> My reservations aside, I can see that Ed's code is useful, and that
> people want to use it, so I won't object to it being committed to
> IcedTea.

Here is the patch that I'm currently testing. Pending the confirmation from 
Xerxes the code should be compatible with armv4. I didn't add any conditionals 
to apply it selectively.

   Matthias

2009-07-15  Edward Nevill  <enevill at arm.com>

         * patches/icedtea-zero-notice-safepoints.patch: New.
         * Makefile.am (ICEDTEA_PATCHES): Apply above patch.
         * ports/hotspot/src/cpu/zero/vm/bc.def: New.
         * ports/hotspot/src/cpu/zero/vm/bytecodes.s: New.
         * ports/hotspot/src/cpu/zero/vm/cppInterpreter_arm.S: New.
         * ports/hotspot/src/cpu/zero/vm/mkbc.c: New.
         * ports/hotspot/build/linux/makefiles/zero.make: Build
         cppInterpreter_arm.o on arm.
         * ports/hotspot/src/cpu/zero/vm/bytecodes_zero.cpp (pd_initialize):
         Add extra bytecodes for hotspot-asm.
         * ports/hotspot/src/cpu/zero/vm/bytecodes_zero.hpp: Define extra
         bytecodes for hotspot-asm.
         * ports/hotspot/src/cpu/zero/vm/cppInterpreter_zero.cpp 
(generate_method_entry):
         Add support for hotspot-asm.
         * ports/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.cpp 
(JVM_handle_linux_signal):
         Add support for hotspot-asm.

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