2000-09-30 Hans Boehm <boehm@acm.org>
Bryce McKinlay <bryce@albatross.co.nz>
Implement bitmap descriptor based marking for Boehm GC.
* configure.in: Define JC1GCSPEC. Set it if boehm-gc is used.
* configure: Rebuilt.
* libgcj.spec.in: Pass JC1GCSPEC to jc1.
* include/jvm.h (struct _Jv_VTable): New field `gc_descr'. New inline
method get_finalizer().
(struct _Jv_ArrayVTable): Ditto. Declare method array with
NUM_OBJECT_METHODS elements instead of NUM_OBJECT_METHODS + 1.
(_Jv_AllocObj): Add new jclass parameter.
(_Jv_AllocArray): Ditto.
(_Jv_BuildGCDescr): New prototype.
* prims.cc (_Jv_AllocObject): Rename parameter `c' to `klass'. Pass
`klass' to _Jv_AllocObj. Don't set the new object's vtable. Use
get_finalizer() instead of direct finalizer vtable offset.
(_Jv_NewObjectArray): Rename parameter `clas' to `klass'. Pass
`klass' to _Jv_AllocArray. Don't set the new array's vtable.
(_Jv_NewPrimArray): Call _Jv_FindArrayClass before _Jv_AllocObj.
Pass `klass' to _Jv_AllocObj. Don't set the new array's vtable.
* resolve.cc (METHOD_NOT_THERE, METHOD_INACCESSIBLE): New #defines.
(_Jv_ResolvePoolEntry): Use METHOD_NOT_THERE and METHOD_INACCESSIBLE.
(_Jv_DetermineVTableIndex): Ditto.
(_Jv_PrepareClass): Ditto. Remove offset-by-one adjustments from vtable
calculations to account for new gc_descr field.
* boehm.cc: #include gc_gcj.h.
(obj_kind_x, obj_free_list): `#if 0'-ed away.
(_Jv_MarkObj): Check that vtable doesn't point to a cleared object.
New commentary from HB. Mark the classes vtable.
(_Jv_MarkArray): Check that vtable doesn't point to a cleared object.
(GC_DEFAULT_DESCR): New #define.
(_Jv_BuildGCDescr): New function. Use GC_DEFAULT_DESCR, for now.
(_Jv_AllocObj): New parameter `klass'. Use GC_GCJ_MALLOC ().
(_Jv_AllocArray): New parameter `klass'. Allocate with GC_MALLOC and
scan conservativly if size is less than min_heap_addr. Set vtable
pointer of new object before returning.
(_Jv_AllocBytes): Use GC_MALLOC_ATOMIC, not GC_GENERIC_MALLOC.
(_Jv_InitGC): Call GC_init_gcj_malloc(). Don't set up marking and
allocation for obj_kind_x.
* nogc.cc (_Jv_BuildGCDescr): New function. Return 0.
(_Jv_AllocObj): Set vtable on returned object.
(_Jv_AllocArray): Ditto.
* java/lang/Class.h (_Jv_NewObjectArray): No longer a friend.
(_Jv_NewPrimArray): Ditto.
(_Jv_AllocObj): Declare as a friend.
(_Jv_AllocArray): Ditto.
* java/lang/natClassLoader.cc (_Jv_FindArrayClass): Copy gc_descr
from &ObjectClass into new array class. Remove offset-by-one
adjustments from `method' size calculations to account for gc_descr
field.
Co-Authored-By: Bryce McKinlay <bryce@albatross.co.nz>
From-SVN: r36679
* gnu/gcj/convert/BytesToUnicode.java (getDefaultDecoder): Let
default decoder use iconv.
* gnu/gcj/convert/UnicodeToBytes.java (getDefaultEncoder):
Let default encoder use iconv.
* configure: Rebuilt.
* configure.in: Check for nl_langinfo and <langinfo.h>.
* java/lang/natSystem.cc (file_encoding): New function.
(DEFAULT_FILE_ENCODING): Define to file_encoding() if possible.
From-SVN: r36306
2000-09-06 Jeff Sturm <jeff.sturm@appnet.com>
* include/jvm.h (_Jv_HashCode): Cast object ptr to `unsigned long'
to avoid long long division.
From-SVN: r36215
2000-08-26 Anthony Green <green@redhat.com>
* Makefile.in: Rebuilt.
* Makefile.am (java/lang/ClassLoader.h): Make _Jv_RunMain a
friend.
* prims.cc: Include ClassLoader.h.
(_Jv_RunMain): When executing jar files, classpath must be the jar
file only. Lose our reference to the system ClassLoader in order
to get a new one with the correct classpath.
* java/lang/natSystem.cc (init_properties): When executing a jar
file, only use the jar file for java.class.path.
* gnu/gcj/runtime/VMClassLoader.java: Use the canonical file name
for bytecode archives.
* gnu/gcj/runtime/FirstThread.java: Handle case where manifest
exists, but not Main-Class.
From-SVN: r35999
2000-08-21 Mark Wielaard <mark@klomp.org>
* Makefile.in: Rebuilt.
* Makefile.am (java/lang/reflect/Constructor.h): Declare Class as
a `friend class'.
(java/lang/reflect/Field.h): Likewise.
(java/lang/reflect/Method.h): Likewise.
(gnu/gcj/runtime/VMClassLoader.h): Declare ClassLoader as a
`friend class'.
From-SVN: r35863
* Makefile.in: Rebuilt.
* Makefile.am (libgcj_la_SOURCES): Added posix.cc.
* java/net/natPlainSocketImpl.cc: Include posix.h.
(accept): Use _Jv_select.
* java/net/natPlainDatagramSocketImpl.cc: Include posix.h.
(receive): Use _Jv_select.
* java/io/natFileDescriptorPosix.cc: Include posix.h.
(available): Use _Jv_select.
* java/lang/natSystem.cc: Include posix.h.
(currentTimeMillis): Use _Jv_gettimeofday.
* include/posix.h: New file.
* posix.cc: New file.
From-SVN: r35435
Fix for PR libgcj/261:
* include/win32-signal.h (MAKE_THROW_FRAME): Added `_exception'
argument.
* include/sparc-signal.h (MAKE_THROW_FRAME): Added `_exception'
argument. (This is a patch from long ago that somehow went
missing.)
From-SVN: r34575
* include/name-finder.h: Include <sys/wait.h>.
(_Jv_name_finder::pid): Now of type `pid_t'.
(_Jv_name_finder::~_Jv_name_finder): Call waitpid().
* java/lang/Throwable.java (CPlusPlusDemangler.close): Call
`proc.waitFor()'.
From-SVN: r34279
2000-04-08 Anthony Green <green@cygnus.com>
* posix-threads.cc (_Jv_MutexLock): Moved back to posix-threads.h.
(_Jv_MutexUnlock): Ditto.
* include/posix-threads.h (_Jv_MutexLock): From posix-threads.cc.
(_Jv_MutexUnlock): Ditto.
From-SVN: r33037
* Makefile.in: New #defines and friends for Thread.h.
* posix-threads.cc: (struct starter): Remove `object'.
(_Jv_CondWait): Use interruptable condition variables and new
recursive mutexes. New return codes on interrupt or non-ownership
of mutex.
(_Jv_CondNotify): Ditto.
(_Jv_CondNotifyAll): Ditto.
(_Jv_ThreadInterrupt): Set thread interrupt flag directly. Interrupt
the target thread by signaling its wait condition.
(_Jv_ThreadInitData): Set `thread_obj' in the thread data struct,
not the starter struct. Initialize wait_mutex and wait_cond.
(_Jv_MutexLock): New recursive mutex implementation. Moved from
posix-threads.h.
(_Jv_MutexUnlock): Ditto.
(really_start): Set info->data->thread from pthread_self() to work
around a race condition. Destroy wait_mutex and wait_cond when run()
returns.
* java/lang/Thread.java: (isInterrupted_): Renamed to overloaded
`isInterrupted(boolean)'. Clear interrupted flag if clear_flag is
set.
startable_flag: New private field.
(Thread): Initialize `startable_flag'.
(toString): Check for null thread group.
* java/lang/natThread.cc: (struct natThread): New fields
`join_mutex', `join_cond'. Removed fields `joiner', `next'.
(class locker): Removed.
(initialize_native): Initialize `join_cond' and `join_mutex'.
(interrupt): Now just calls _Jv_ThreadInterrupt().
(join): Simplified. Just wait on the target thread's join condition.
(finish_): Remove join list code. Unset thread group. Signal
potential joiners by notifying the dying threads join_cond.
(start): Check for illegal restarts.
* java/lang/natObject.cc: Check for return value of _Jv_CondWait and
act appropriatly.
* include/posix-threads.h: Remove all HAVE_RECURSIVE_MUTEX related
#defines and #ifdefs.
(struct _Jv_Thread_t): New fields `thread_obj', `wait_cond',
`wait_mutex', `next'.
(struct _Jv_ConditionVariable_t): Define as a struct instead of
directly mapping to pthread_cond_t.
(struct _Jv_Mutex_t): New recursive implementation.
(_Jv_PthreadCheckMonitor): Reimplemented. Simple `owner' check.
_Jv_HaveCondDestroy: Never define this for posix-threads.
(_Jv_CondNotify): Remove inline implementation(s), prototype instead.
(_Jv_CondNotifyAll): Ditto.
(_Jv_MutexLock): Ditto.
(_Jv_MutexUnlock): Ditto.
(_Jv_MutexInit): Changed to reflect new mutex implementation.
(_Jv_MutexDestroy): Ditto.
(_Jv_CondDestroy): Removed.
(_Jv_PthreadGetMutex): Removed.
* include/win32-threads.h: (_Jv_CondNotify): Guess _JV_NOT_OWNER on an
error. Add a FIXME about this.
(_Jv_CondNotifyAll): Ditto.
* win32-threads.cc: (_Jv_CondWait): Return 0 on a timeout. Guess
_JV_NOT_OWNER on other errors. Add FIXME.
From-SVN: r32773
2000-03-26 Tom Tromey <tromey@cygnus.com>
* java/lang/mprec.h: Use SIZEOF_VOID_P.
* interpret.cc: Use SIZEOF_VOID_P.
* include/java-cpool.h (_Jv_storeLong): Use SIZEOF_VOID_P.
(_Jv_loadLong): Likewise.
(_Jv_storeDouble): Likewise.
* configure: Rebuilt.
* configure.in: Check size of void*.
* resolve.cc (ncode): Use FFI_PREP_RAW_CLOSURE and FFI_RAW_SIZE.
2000-03-26 Hans Boehm <boehm@acm.org>
* include/java-cpool.h (_Jv_storeLong, _Jv_loadLong,
_Jv_storeDouble, _Jv_loadDouble): Define differently on 64 bit
machine.
* java/lang/ieeefp.h: Define __IEEE_BIG_ENDIAN or
__IEEE_LITTLE_ENDIAN appropriately on IA64.
* java/lang/mprec.h: Don't define Pack_32 on 64 bit machine.
* javaprims.h (_Jv_word): Added `l' and `d' entries in 64 bit
case.
* resolve.cc (FFI_PREP_RAW_CLOSURE): New define.
(FFI_RAW_SIZE): Likewise.
(_Jv_InterpMethod::ncode): Use them.
* interpret.cc (PUSHL, PUSHD, POPL, POPD, LOADL, LOADD, STOREL,
STORED): Define differently on a 64 bit machine.
(continue1): Use ffi_java_raw_call when appropriate.
From-SVN: r32754
* All files: Updated copyright information.
* COPYING: New file.
* COPYING.LIB: Removed.
* LIBGCJ_LICENSE: We now use GPL + special exception.
From-SVN: r32387
2000-03-07 Bryce McKinlay <bryce@albatross.co.nz>
* resolve.cc (_Jv_SearchMethodInClass): New function.
(_Jv_ResolvePoolEntry): Search superinterfaces for interface
methods.
* java/lang/Class.h (_Jv_SearchMethodInClass): New prototype.
2000-03-07 Bryce McKinlay <bryce@albatross.co.nz>
* java/lang/Class.h (union _Jv_IDispatchTable): New declaration.
(struct _Jv_ifaces): New declaration.
JV_CLASS: New macro definition.
(getComponentType): Relocate below isArray() for inlining.
(getModifiers): Declare `inline'.
(getSuperclass): Ditto.
(isArray): Ditto.
(isPrimitive): Ditto.
(_Jv_IsAssignableFrom): New prototype.
(_Jv_LookupInterfaceMethodIdx): New prototype. Predeclare with "C"
linkage.
(_Jv_InitClass): Move from natClass.cc. Declare `inline'.
Check for JV_STATE_DONE before invoking initializeClass().
(_Jv_PrepareConstantTimeTables): New prototype.
(_Jv_GetInterfaces): Ditto.
(_Jv_GenerateITable): Ditto.
(_Jv_GetMethodString): Ditto.
(_Jv_AppendPartialITable): Ditto.
(_Jv_FindIIndex): Ditto.
depth, ancestors, idt: New class fields.
* java/lang/natClass.cc (isAssignableFrom): Move functionality to
inline function `_Jv_IsAssignableFrom'. Use that function.
(isInstance): Declare `inline'.
(initializeClass): Get lock on class before checking `state'. Unlock
before calling resolveClass0. Call _Jv_PrepareConstantTimeTables
with the lock held.
(_Jv_LookupInterfaceMethod): Use _Jv_GetMessageString.
(_Jv_IsAssignableFrom): New inline function. Test assignability
using class->depth and ancestor table.
(_Jv_IsInstanceOf): Use _Jv_IsAssignableFrom.
(_Jv_CheckCast): Move from prims.cc. Use JV_CLASS and
_Jv_IsAssignableFrom.
(_Jv_CheckArrayStore): Ditto.
(_Jv_LookupInterfaceMethodIdx): New function.
INITIAL_IOFFSETS_LEN, INITIAL_IFACES_LEN: New #defines.
(_Jv_PrepareConstantTimeTables): New function.
(_Jv_IndexOf): Ditto.
(_Jv_GetInterfaces): Ditto.
(_Jv_GenerateITable): Ditto.
(_Jv_GetMethodString): Ditto.
(_Jv_AppendPartialITable): Ditto.
iindex_mutex, iindex_mutex_initialized: New static fields.
(_Jv_FindIIndex): New function.
* java/lang/natClassLoader.cc (_Jv_NewClass): Set new jclass fields.
* prims.cc (_Jv_CheckCast): Moved to natClass.cc.
(_Jv_CheckArrayStore): Ditto.
(JvNewCharArray, JvNewBooleanArray, JvNewByteArray, JvNewShortArray,
JvNewIntArray, JvNewLongArray, JvNewFloatArray, JvNewDoubleArray):
Moved to gcj/array.h.
(_Jv_Realloc): New function.
* gcj/cni.h: Move _Jv_PrimClass definitions to gcj/array.h.
* gcj/array.h: _Jv_PrimClass definitions moved from gcj/cni.h.
(JvNewCharArray, JvNewBooleanArray, JvNewByteArray,
JvNewShortArray, JvNewIntArray, JvNewLongArray, JvNewFloatArray,
JvNewDoubleArray): Implementations moved from prims.cc and
declared `inline'.
* gcj/javaprims.h (_Jv_Realloc): Prototype.
* include/jvm.h (_Jv_LookupInterfaceMethodIdx): Prototype.
From-SVN: r32382
* include/jvm.h (_Jv_GetJavaVM): Declare.
* include/java-interp.h (_Jv_GetFirstMethod): New function.
(_Jv_MethodBase::get_method): New method.
(_Jv_JNIMethod::set_function): New method.
* jni.cc (_Jv_JNI_UnregisterNatives): New function.
(_Jv_JNI_RegisterNatives): New function.
(_Jv_JNIFunctions): Updated for new functions.
(_Jv_GetJavaVM): New function.
(_Jv_JNI_GetJavaVM): Use it. Now static.
(_Jv_JNI_AttachCurrentThread): Create a new JNIEnv if this thread
is already a Java thread but does not have a JNIEnv yet.
* java/lang/natRuntime.cc (_load): Pass the JavaVM to the onload
function.
From-SVN: r32056
* include/jni.h (JNI_FALSE): Renamed from JNI_TRUE; oops.
(jboolean): Declare as an attributed int, not a bool.
(_Jv_func): Declare differently for C.
From-SVN: r31907
* gnu/gcj/jni/natNativeThread.cc: New file.
* gnu/gcj/jni/NativeThread.java: New file.
* java/lang/Thread.java (data): Now a RawData.
* include/jvm.h (_Jv_GetCurrentJNIEnv, _Jv_SetCurrentJNIEnv):
Declare.
* Makefile.in: Rebuilt.
* Makefile.am (java/lang/Thread.h): New target.
(ordinary_java_source_files): Added NativeThread.java.
(nat_source_files): Added natNativeThread.cc.
* java/lang/natThread.cc: Include <jni.h>
(struct natThread): Added `jni_env' field.
(_Jv_GetCurrentJNIEnv): New function.
(_Jv_SetCurrentJNIEnv): Likewise.
(initialize_native): Initialize jni_env.
Include RawData.h.
* jni.cc (ThreadGroupClass): New define.
(_Jv_JNI_InvokeFunctions): New structure.
(JNI_GetCreatedJavaVMs): New function.
(the_vm): New global.
(JNI_GetDefaultJavaVMInitArgs): New function.
Include NativeThread.h.
(NativeThreadClass): New define.
(_Jv_JNI_EnsureLocalCapacity): Return JNI_ERR, not -1.
(_Jv_JNI_DestroyJavaVM): New function.
(_Jv_JNI_AttachCurrentThread): New function.
(_Jv_JNI_DetachCurrentThread): New function.
(_Jv_JNI_GetEnv): New function.
(JNI_CreateJavaVM): New function.
(_Jv_JNI_GetJavaVM): New function.
(_Jv_JNIFunctions): Added entry for GetJavaVM.
* include/jni.h (JavaVMAttachArgs): New structure.
(JNI_EDETACHED): New define.
(JNI_EVERSION): Likewise.
(JavaVM): Define properly.
(struct JNIInvokeInterface): New structure.
(class _Jv_JavaVM): New class.
(JNI_OnLoad, JNI_OnUnload): Declare.
(JNI_GetDefaultJavaVMInitArgs, JNI_CreateJavaVM,
JNI_GetCreatedJavaVMs): Declare.
(JavaVMInitArgs): New typedef.
(JavaVMOption): Likewise.
(JNI_ERR): New define.
(JNI_OK): Likewise.
From-SVN: r31901
* include/java-interp.h (_Jv_JNI_conversion_call): Declare.
* resolve.cc (ncode): Use _Jv_JNI_conversion_call when
constructing the closure if the function is native.
* jni.cc (_Jv_JNI_conversion_call): Now returns `void'. No longer
a template function, #if'd out, or static.
Include <java-interp.h>.
From-SVN: r31746
* prims.cc (_Jv_MallocUnchecked): New function.
(main_init): Call _Jv_JNI_Init.
* include/jvm.h (_Jv_MallocUnchecked): Declare.
(_Jv_JNI_Init): Declare.
* jni.cc: Include Hashtable.h, OutOfMemoryError.h, Integer.h,
<string.h>.
(_Jv_JNI_NewGlobalRef): New function.
(_Jv_JNI_DeleteGlobalRef): New function.
(_Jv_JNI_DeleteLocalRef): New function.
(_Jv_JNI_conversion_call): Initialize and clear local reference
frame.
(_Jv_JNI_NewLocalRef): New function.
(struct _Jv_JNI_LocalFrame): New structure.
(_Jv_JNI_PushLocalFrame): New function.
(_Jv_JNI_EnsureLocalCapacity): New function.
(FRAME_SIZE): New define.
(_Jv_JNI_GetStringChars): Mark string, not characters.
(_Jv_JNI_ReleaseStringChars): Unmark string, not characters.
(_Jv_JNI_GetPrimitiveArrayElements): Mark array, not elements.
(_Jv_JNI_ReleasePrimitiveArrayElements): Unmark array, not
elements.
(_Jv_JNI_DefineClass): Make return value a local ref.
(_Jv_JNI_FindClass): Likewise.
(_Jv_JNI_GetSuperclass): Likewise.
(_Jv_JNI_ExceptionOccurred): Likewise.
(_Jv_JNI_AllocObject): Likewise.
(_Jv_JNI_GetObjectClass): Likewise.
(_Jv_JNI_CallAnyMethodV): Likewise.
(_Jv_JNI_NewString): Likewise.
(_Jv_JNI_NewStringUTF): Likewise.
(_Jv_JNI_NewObjectArray): Likewise.
(_Jv_JNI_GetObjectArrayElement): Likewise.
(_Jv_JNI_ToReflectedField): Likewise.
(_Jv_JNI_ToReflectedMethod): Likewise.
(_Jv_JNIFunctions): Updated table for new functions.
(_Jv_JNI_Init): New function.
(mark_for_gc): Wrote.
(unmark_for_gc): Wrote.
* include/jni.h (struct JNINativeInterface): Removed name from
PopLocalFrame parameter.
(class _Jv_JNIEnv): Added `locals' field.
From-SVN: r31730
* gcj/method.h (JvNumMethods): Moved from Class.h.
(JvGetFirstMethod): Likewise.
* java/lang/Class.h (Object): Updated decl of
_Jv_JNI_ToReflectedField.
(Object): Added _Jv_JNI_ToReflectedMethod as a friend.
* Makefile.in: Rebuilt.
* Makefile.am (java/lang/reflect/Field.h): Added `jboolean'
argument of _Jv_JNI_ToReflectedField.
(java/lang/reflect/Constructor.h): Added _Jv_JNI_ToReflectedMethod
as a friend.
(java/lang/reflect/Method.h): Likewise.
* include/jni.h (class _Jv_JNIEnv): Added `klass' member. Use
__GCJ_JNI_IMPL__.
(jweak): New typedef.
(struct JNINativeInterface): Correctly declare remaining entries.
* jni.cc: Include Class.h, ClassLoader.h.
(_Jv_JNI_FindClass): New function.
(_Jv_JNI_DefineClass): New function.
(_Jv_JNI_conversion_call): New function.
(_Jv_JNI_FindClass): Use current class loader to find class.
(_Jv_JNI_ExceptionCheck): New function.
(_Jv_JNI_FromReflectedField): Now static.
(MethodClass): New define.
(_Jv_JNI_FromReflectedMethod): New function.
(_Jv_JNI_ToReflectedMethod): Likewise.
Include Method.h.
(_Jv_JNI_IsAssignableFrom): Renamed.
(_Jv_JNI_GetStringRegion): New function.
Include StringIndexOutOfBoundsException.h.
(_Jv_JNI_GetStringUTFRegion): New function.
(_Jv_JNIFunctions): Updated for new functions.
(_Jv_JNI_GetPrimitiveArrayCritical): New function
(_Jv_JNI_ReleasePrimitiveArrayCritical): Likewise.
(_Jv_JNI_GetStringCritical): New function.
(_Jv_JNI_ReleaseStringCritical): Likewise.
(get_throwable): Removed.
(GCJ_JV_JNIENV_FRIEND): Removed.
(__GCJ_JNI_IMPL__): Define.
Include method.h.
From-SVN: r31638
