libjava:
Hashtable synchronization for PowerPC.
* configure.in: Define SLOW_PTHREAD_SELF if configure.host set
slow_pthread_self. Set up symlink for sysdeps directory.
* configure: Rebuild.
* configure.host: Document more shell variables. Set sysdeps_dir
for most platforms. Set slow_pthread_self for i686. Set
enable_hash_synchronization_default and slow_pthread_self for PowerPC.
* posix-threads.cc (_Jv_ThreadSelf_out_of_line): Use release_set so
that memory barrier is emitted where required.
* prims.cc: 64-bit align static primitive class instances.
* include/posix-threads.h (_Jv_ThreadSelf for SLOW_PTHREAD_SELF): Add
read_barrier() to enforce ordering of reads.
* sysdep/powerpc/locks.h: New file. Implementation of synchronization
primitives for PowerPC.
* sysdep/i386/locks.h: New file. Synchronization primitives for i386
moved from natObject.cc.
* sysdep/alpha/locks.h: Likewise.
* sysdep/ia64/locks.h: Likewise.
* sysdep/generic/locks.h: Likewise.
* java/lang/natObject.cc: Move thread synchronization primitives to
system-dependent headers.
gcc/java:
* decl.c (java_init_decl_processing): Make sure class_type_node
alignment is not less than 64 bits if hash synchronization isenabled.
boehm-gc:
* include/gc_priv.h: Define ALIGN_DOUBLE on 32 bit targets if GCJ
support is enabled, for hash synchronization.
From-SVN: r50523
2002-03-04 Eric Blake <ebb9@email.byu.edu>
* scripts/unicode-decomp.pl: Move from chartables.pl, and remove
the code for generating include/java-chartables.h.
* scripts/unicode-blocks.pl: Move from scripts/blocks.pl, and
merge with Classpath.
* scripts/unicode-muncher.pl: Copy from Classpath.
* scritps/MakeCharTables.java: New file.
* gnu/gcj/convert/Blocks-3.txt: New file.
* gnu/gcj/convert/UnicodeData-3.0.0.txt: New file.
* gnu/gcj/convert/UnicodeCharacterDatabase-3.0.0.html: New file.
* gnu/java/lang/CharData.java: Copy from Classpath.
* Makefile.am (ordinary_java_source_files): Add
gnu/java/lang/CharData.java.
* configure.in: Remove --enable-fast-character option.
* java/lang/Character.java: Merge algorithms and Javadoc with
Classpath.
* java/lang/natCharacter.cc: Implement Unicode lookup table more
efficiently.
* include/java-chardecomp.h: Regenerate.
* include/java-chartables.h: Regenerate.
From-SVN: r50368
For some reason AC_HEADER_SYS_WAIT() isn't defining HAVE_SYS_WAIT_H on
Linux; this patch backs out my patch that added the #ifdefs until I
can figure out what happened.
From-SVN: r49572
2002-02-06 Adam Megacz <adam@xwt.org>
* configure.in: Changed mingw) to *mingw*).
* win32.cc: Created this file.
* win32.h: Created this file.
* win32.cc, prims.cc, win32.h (win32_exception_handler): Moved
win32_exception_handler from prims.cc to win32.cc, added
header in win32.h.
* prims.cc: removed some #ifdef-WIN32'd headers which are no
longer needed now that we have platform.h
From-SVN: r49566
2002-02-01 Adam Megacz <adam@xwt.org>
* include/win32-threads.h (_Jv_ConditionVariable_t): Now a struct, to
enable safer wait() algorithm.
(_Jv_CondWait, _Jv_CondInit, _Jv_CondDestroy, _Jv_CondNotify,
_Jv_CondNotifyAll): Implementations moved to win32-threads.cc.
(_Jv_MutexInit, _Jv_HaveMutexDestroy, _Jv_MutexUnlock,
_Jv_MutexLock, _Jv_ThreadYield): Reimplement using CRITICAL_SECTIONs
instead of mutex.
(_Jv_ThreadYield): Don't call Sleep(), because it crashes win98.
From-SVN: r49427
* include/jvm.h (__GCJ_JNI_IMPL__): Define.
* include/config.h.in: Rebuilt.
* configure: Rebuilt.
* configure.in: Define JV_HAVE_INTTYPES_H if inttypes.h found.
Added comment for HAVE_DLOPEN to avoid autoheader error.
* gcj/libgcj-config.h.in (JV_HAVE_INTTYPES_H): Added.
* include/jni.h: Include <gcj/libgcj-config.h>. Don't include
CNI-specific headers if we are compiling ordinary JNI code with a
C++ compiler. Include <inttypes.h> and JNIWeakRef.h when
appropriate.
* jni.cc: Don't include JNIWeakRef.h.
From-SVN: r48082
gcc/java:
* java-tree.h (otable_methods, otable_decl, otable_syms_decl,
otable_type, otable_ptr_type, method_symbol_type,
method_symbols_array_type, method_symbols_array_ptr_type): New
field/global tree definitions.
(flag_indirect_dispatch): New flag.
* decl.c (java_init_decl_processing): Initialize new otable and
otable_syms type nodes and decls. Add new field "index" to
method_type_node.
* class.c (build_method_symbols_entry): New function.
(make_method_value): Set "index" to to method's vtable index for
virtual methods when indirect-dispatch is not used.
(make_class_data): For indirect-dispatch, dont emit the dtable_decl,
and set vtable_method_count to -1. Set otable and otable_syms field
if indirect-dispatch is used and there was something to put in them.
(build_method_symbols_entry): New function.
(emit_offset_symbol_table): New function.
* expr.c (get_offset_table_index): New function.
(build_invokevirtual): Build array reference to otable at the index
returned by get_offset_table_index, and use the result as the vtable
offset.
(build_invokeinterface): Similar.
* jcf-parse.c (yyparse): If indirect-dispatch, call
emit_offset_symbol_table at the end of compilation, after all classes
have been generated.
* jvspec.c: Don't pass findirect-dispatch to jvgenmain.
* lang.c (flag_indirect_dispatch): Define.
(lang_f_options): Add indirect-dispatch flag.
libjava:
* include/jvm.h (_Jv_VTable::idx_to_offset): New method.
* java/lang/natClassLoader.cc (_Jv_PrepareCompiledClass): Call
_Jv_MakeVTable and _Jv_LinkOffsetTable if needed.
* java/lang/Class.h (_Jv_Method): Add "index" field.
(_Jv_MethodSymbol): New struct type.
(_Jv_LinkOffsetTable, _Jv_LayoutVTableMethods, _Jv_SetVTableEntries,
_Jv_MakeVTable): Friends.
(otable, otable_syms): New Class fields.
* java/lang/natClass.cc (_Jv_LinkOffsetTable): New function.
(isVirtualMethod): New static function.
(_Jv_LayoutVTableMethods): New function.
(_Jv_SetVTableEntries): New function.
(_Jv_MakeVTable): New function.
From-SVN: r48038
* libjava/prims.cc: Some old cleanups. The collector now
handles test for out of memory.
* libjava/prims.cc, libjava/gcj/javaprims.h:
(_Jv_AllocObjectNoInitNoFinalizer, _Jv_AllocObjectNoFinalizer):
New functions for finalizer-free allocation.
(jvmpi_notify_alloc): Became separate function.
* libjava/java/lang/Object.h, libjava/include/jvm.h: Adjust for
revised vtable layout on IA64. With TARGET_VTABLE_USES_DESCRIPTORS,
there is only one extra descriptor.
From-SVN: r48002
* verify.cc (_Jv_BytecodeVerifier::branch_prepass): Use
java_opcode as type for switch.
[op_wide]: Likewise.
(_Jv_BytecodeVerifier::verify_instructions_0): Likewise.
[op_invokevirtual]: Likewise.
* include/java-insns.h (java_opcode): Give enum a name.
From-SVN: r47330
* prims.cc (_Jv_Abort): Always print error message using fprintf,
don't try to allocate.
(_Jv_CreateJavaVM): Set gcj::runTimeInitialized.
* include/jvm.h (gcj::runTimeInitialized): New variable declaration.
* java/lang/natClassLoader.cc (_Jv_RegisterClassHookDefault): Handle
duplicate class registration with JvFail if the runtime hasn't been
initialized yet.
From-SVN: r46424
2001-10-15 Hans Boehm <Hans_Boehm@hp.com>
* java/lang/natObject.cc (heavy_lock): Moved fields
old_client_data, old_finalization_proc near beginning.
(heavy_lock_finalization_proc): Now inline; changed type of
argument.
(JV_SYNC_TABLE_SZ): Now 2048.
(mp): New global.
(spin): `mp' now global.
(heavy_lock_obj_finalization_proc): Updated to correctly handle
heavy lock finalization.
(remove_all_heavy): New function.
(maybe_remove_all_heavy): Likewise.
(_Jv_MonitorEnter): Throw exception if object is NULL.
(_Jv_MonitorExit): Likewise. Also, clear long lists of unlocked
heavy locks.
* include/jvm.h (_Jv_AllocTraceTwo): Declare.
* nogc.cc (_Jv_AllocTraceTwo): New function.
* boehm.cc (trace_two_vtable): New global.
(_Jv_AllocTraceTwo): New function.
From-SVN: r46271
* include/jvm.h: Declare _Jv_RegisterResource.
* gnu/gcj/Core.java, gnu/gcj/natCore.cc,
gnu/gcj/protocol/core/Connection.java,
gnu/gcj/protocol/core/Handler.java,
gnu/gcj/protocol/core/CoreInputStream.java,
gnu/gcj/protocol/core/natCoreInputStream.cc: New files.
* java/net/URL.java (setURLStreamHandler): Use
gnu.gcj.protocol.core.Handler for the core protocol.
* gnu/gcj/runtime/VMClassLoader.java (init): Add "core:/" to the
end of java.class.path.
* Makefile.am (ordinary_java_source_files): Add new java files.
(nat_source_files): Add new native code files.
* Makefile.in: Rebuilt.
From-SVN: r45450
* Makefile.am: New friends for java/lang/Thread.h.
* prims.cc (runFirst): Removed.
(JvRunMain): Merged into _Jv_RunMain. Now just calls that.
(_Jv_RunMain): Now takes either a klass or class name parameter.
Create a gnu.gcj.runtime.FirstThread and attach the native thread
to that, then run it using _Jv_ThreadRun. Remove special handling of
jar files, instead pass is_jar parameter through to FirstThread.
* gcj/javaprims.h: Add prototypes for _Jv_ThreadRun and new variant
of _Jv_AttachCurrentThread.
* gnu/gcj/runtime/FirstThread.java (FirstThread): Now extends Thread.
(run): New method. Take care of looking up main class manifest
attribute and calling forName if neccessary. Then call call_main.
(call_main): New native method.
* gnu/gcj/runtime/natFirstThread.cc (call_main): New function, code
relocated from prims.cc. Look up and call main method.
* java/lang/Thread.java (run_): Removed.
* java/lang/natThread.cc (run_): Renamed to...
(_Jv_ThreadRun): this. JVMPI notification code moved to ...
(_Jv_NotifyThreadStart): here. New function.
(countStackFrames, destroy, resume, suspend, stop): Throw
UnsupportedOperationExceptions rather than JvFail'ing.
(_Jv_AttachCurrentThread): New variant takes a Thread argument.
Existing version wraps new variant.
From-SVN: r45182
2001-07-06 Andrew Haley <aph@cambridge.redhat.com>
* include/i386-signal.h: Don't do anything with unsigned divide
overflow except throw an exception.
From-SVN: r43813
