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libgcroots
==========

About
-----

This library abstracts architecture-dependent part of garbage collector
roots acquisition such as register windows of SPARC and register stack
backing store of IA-64. Main part of the code is based on Boehm GC 7.0.

With this library, you can easily write your own garbage collector such as
for small footprint, some application-specific optimizations, just learning
or to test experimental ideas.

See this page for latest information.

  http://code.google.com/p/sigscheme/wiki/libgcroots


Implementation Status
---------------------

This version only supports non-threaded execution contexts started with
GCROOTS_call_with_gc_ready_stack(). i.e. Entire stack is not scanned at
mark phase.

Since SigScheme the main application of this library does not need both
threading and scanning entire stack based on system-dependent absolute
stack bottom, I don't have a plan to support these features. If you need
them, please port the appropriate codes from Boehm GC. I would like to
merge it.


Author
------

YAMAMOTO Kengo / YamaKen  <yamaken AT bp.iij4u.or.jp>
FAMILY   Given / Nick
http://en.wikipedia.org/wiki/Japanese_name


Thanks
------

Hans-J. Boehm and all authors of Boehm GC for the useful codes.

Tanaka Akira for letting me realize about the GC problem through the
presentation at Binary 2.0 Conference 2006.