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127 Commits

Author SHA1 Message Date
Joel Dice
d819a75f36 more work towards OpenJDK classpath support 
The biggest change in this commit is to split the system classloader
into two: one for boot classes (e.g. java.lang.*) and another for
application classes.  This is necessary to make OpenJDK's security
checks happy.

The rest of the changes include bugfixes and additional JVM method
implementations in classpath-openjdk.cpp.
 2010-09-14 10:49:41 -06:00
Joel Dice
cddea7187d preliminary support for using OpenJDK's class library 
Whereas the GNU Classpath port used the strategy of patching Classpath
with core classes from Avian so as to minimize changes to the VM, this
port uses the opposite strategy: abstract and isolate
classpath-specific features in the VM similar to how we abstract away
platform-specific features in system.h.  This allows us to use an
unmodified copy of OpenJDK's class library, including its core classes
and augmented by a few VM-specific classes in the "avian" package.
 2010-09-10 15:05:29 -06:00
Joel Dice
17c1a552d5 break each Class, Field, and Method into separate classes 
In order to facilitate making the VM compatible with multiple class
libraries, it's useful to separate the VM-specific representation of
these classes from the library implementations.  This commit
introduces VMClass, VMField, and VMMethod for that purpose.
 2010-09-01 10:13:52 -06:00
Joel Dice
4034a219d0 do nothing in System.arraycopy if length <= 0 
Previously, we risked segfaults by passing negative numbers to memcpy.

This commit also makes arraycopy throw an IndexOutOfBounds exception
instead of an ArrayStoreException if the specified offsets and lengths
would take us outside the bounds of one or both of the arrays, per the
Sun documentation.
 2010-07-13 18:40:29 -06:00
Joel Dice
664cb3cd39 don't try to parse annotation tables more than once; use defining classloader when loading array classes during linking 2009-12-24 17:58:48 -07:00
Joel Dice
f588a62ae3 fix Classpath 0.98 compatibility issues 2009-12-22 21:34:04 -07:00
Joel Dice
5a0e00ca39 GC safety bugfix 2009-12-01 22:41:12 -07:00
Joel Dice
f27ecaa199 fix memcpy argument order in Avian_avian_Singleton_getLong 2009-10-20 13:38:05 -06:00
Joel Dice
87950e86b8 add missing parameter to native SystemClassLoader methods 2009-10-13 18:42:49 -06:00
Joel Dice
953cb69e5e move proxy and annotation code from C++ to Java 
This allows code shrinkers to remove it if it's not used by the application.
 2009-09-19 16:21:15 -06:00
Joel Dice
1a2eb3836c Merge branch 'master' of oss.readytalk.com:/var/local/git/avian 2009-09-18 18:01:57 -06:00
Joel Dice
7aa906d97b support runtime-visible annotations and java.lang.reflect.Proxy 2009-09-18 18:01:54 -06:00
Joel Dice
1dfa421a6c fix argument mixup in Runtime.exit 2009-09-17 18:28:42 -06:00
Joel Dice
6519047342 fix bootimage build 2009-09-03 09:06:04 -06:00
Joel Dice
27f35bf239 fix heapdump build 2009-09-01 12:15:33 -06:00
Joel Dice
73dc058c14 implement StackTraceElement.getFileName properly 2009-08-27 16:28:44 -06:00
Joel Dice
1a0eef7e2d add support for building with MSVC on Windows 2009-08-26 18:26:44 -06:00
Joel Dice
4297fa04b3 run java finalizers in a separate thread to guarantee no application locks are held when doing so 2009-08-24 17:51:31 -06:00
Joel Dice
c4b5ecec90 implement Runtime.addShutdownHook and Thread.setDaemon; avoid segfaults due to an application calling e.g. CallStaticBooleanMethod when it really meant CallStaticVoidMethod 2009-08-19 14:27:03 -06:00
Joel Dice
c4edabdc02 implement ClassLoader.resolveClass and ensure class is linked in e.g. Class.getMethods; minor bugfixes 2009-08-18 14:26:28 -06:00
Joel Dice
8ac06d8a47 initialize classloader map if necessary in Avian_java_lang_ClassLoader_defineClass 2009-08-11 09:25:35 -06:00
Joel Dice
001000364d add classloader parameter to functions which may directly or indirectly load classes; include methods inherited from interfaces (but not explicitly declared) in method tables and virtual tables of abstract classes 2009-08-10 07:56:16 -06:00
Joel Dice
c3a8ca505c avoid function pointer cast warning from GCC 3.4 2009-08-03 10:56:43 -06:00
Joel Dice
e72ff8db0b Merge branch 'master' into gnu 
Conflicts:

	src/compile.cpp
 2009-07-11 12:11:59 -06:00
Joel Dice
ab5ba9c954 Merge branch 'master' of oss.readytalk.com:/var/local/git/avian 2009-07-10 09:57:29 -06:00
Joel Dice
525318dabb fix GC safety bug in builtin.cpp 2009-06-11 17:13:25 -06:00
Joel Dice
f239424930 implement NewDirectByteBuffer etc. properly when building against Classpath; call JNI_OnLoad if found in newly-loaded libraries 2009-06-10 18:15:00 -06:00
Joel Dice
20ea82ec2e various tweaks for Classpath compatibility 2009-06-06 20:32:44 -06:00
Joel Dice
db09adc0d4 allow copies between object arrays of different types in System.arraycopy 2009-06-04 17:19:48 -06:00
Joel Dice
c434f211e2 fix return type for Avian_java_lang_Object_hashCode 2009-05-31 17:19:18 -06:00
Joel Dice
31d9700c9b move SystemClassLoader and Runtime.dumpHeap to avian package 2009-05-25 21:36:29 -06:00
Joel Dice
758325ae27 convert methods in builtin.cpp to use fast native calling convention 2009-05-25 20:02:25 -06:00
Joel Dice
4305fdc7f3 begin dynamicWind implementation 2009-05-23 16:15:06 -06:00
Joel Dice
8cb59c9d4c various bugfixes to get Continuations test working 2009-05-16 02:03:03 -06:00
Joel Dice
66c4867f18 more work on continuation support 2009-05-05 18:29:05 -06:00
Joel Dice
d1018bf078 update copyright years 2009-03-15 12:02:36 -06:00
Joel Dice
6e6035505c zero heap space ahead of time when allocating raw storage and garbage collecting, not when allocating individual objects 
This helps us support the Java Memory Model without adding a memory
barrier to every object allocation.  It's also potentially more
efficient, since we zero out each heap segment all at once instead of
bit-by-bit with each object allocation.
 2009-03-03 20:05:48 -07:00
Joel Dice
c80eb51c17 Merge branch 'master' into powerpc 
Conflicts:

	makefile
	src/assembler.h
	src/compile.cpp
	src/compiler.cpp
	src/compiler.h
	src/finder.cpp
 2008-11-11 08:21:48 -07:00
Eric Scharff
13a535d1c6 Added a getContentLength() method to URLConnection 
This is particularly important if you want to get the number of bytes of a
resource loaded by the class loader:
  getClass().getResource("myFile").openConnection().getContentLength()
 2008-07-15 09:36:52 -06:00
Joel Dice
ebb498587f enter exclusive state in collect function instead of requiring caller to enter that state before calling 2008-05-05 07:04:53 -06:00
Joel Dice
df5258d1d8 various bugfixes concerning Thread.getStackTrace 2008-04-21 16:36:13 -06:00
Joel Dice
95e5f8203c enter active state before generating stack trace in Thread.getTrace 2008-04-15 23:27:42 -06:00
Joel Dice
0d3e6b7793 simplify memory allocation interfaces 2008-04-13 12:15:04 -06:00
Joel Dice
d9ec8e20bf implement Thread.getStackTrace, activeCount, and enumerate 2008-04-11 16:48:39 -06:00
Joel Dice
fbc5463fb1 specify Avian version via a macro defined in makefile 2008-03-06 13:30:26 -07:00
Joel Dice
85abd14137 change avium.version to avian.version 2008-02-20 08:13:15 -07:00
Joel Dice
2edaa82801 prepend copyright notice and license to all source files; add license.txt and readme.txt 2008-02-19 11:06:52 -07:00
Joel Dice
34cc390286 fix uninitialized variable warning 2008-01-29 10:02:58 -07:00
Joel Dice
d693393293 remove Machine::lastLibrary and rename firstLibrary to libraries 2008-01-29 08:19:15 -07:00
Joel Dice
e403a625d1 second try to fix library symbol lookup 2008-01-25 16:38:26 -07:00