CACAO is a virtual machine for running Java programs. It uses a JIT compiler which is available for the Alpha, ARM, i386, M68k, MIPS (32- and 64-bit), PowerPC, PowerPC64, S390, and x86-64 architectures.
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This bugfix release fixes compilation of OpenJDK
code (libltdl related), imports a new
gnu/java/lang/CPStringBuilder.java to fix OOMEs,
and fixes an abort with OpenJDK's java binary when
exiting.
This release adds initial support for using OpenJDK as the Java runtime library, fixes a memory leak in Boehm-GC, updates Boehm-GC to version 7.1, removes the libltdl dependency, uses 8-byte stack-slots on all architectures, includes faster C-to-Java calls, removes genoffsets so that cross-compilation is much easier, and adds annotation and assertion support.
The ARM and MIPS32 code generators are now Open
Source. A PowerPC64 code
generator has been added. Sun's phoneme CLDC-1.1
classes can now be used
as a Java core library. Exception throwing code
has been completely
rewritten; this saves the JIT code size from
20%-50%. The lock-record
code has been rewritten and a memory leak has been
fixed. The threads
and exception code has been reworked and improved.
A memory leak has
been fixed in the threads code.
A new instruction format, a new intermediate
representation with unified variables, local
subroutine elimination, and a new stack-based
verifier (used for -Xint) were implemented. The
interpreter was fixed, so it runs Eclipse now.
Support for enabling and disabling system
assertion (-esa/-dsa) was added. Initial
javax.management support and initial
sun.misc.Unsafe (JSR166) support were added. Fixed
An AbstractMethodError bug, a BeanShell bug in
builtin_isanysubclass, line numbers in exceptions
thrown through the JIT, and a memory leak in dump
memory were fixed.
New tasuki lock implementation resolves deadlock problems on multi-processor machines. Miranda methods are handled properly. A try-catch line number problem with Jikes has been fixed. Support has been added for libjvm.so (including the invocation API). The object code size of code generators has been stripped down.
