2004-07-11 Bryce McKinlay <mckinlay@redhat.com>
PR libgcj/16748
* prims.cc (_Jv_CreateJavaVM): Fix comment.
* gnu/gcj/runtime/FinalizerThread.java (init): New. Native.
(finalizerReady): Now native.
(run): Likewise.
(runFinalizers): Removed.
* gnu/gcj/runtime/natFinalizerThread.cc (run): Implement here. Use
a primitive lock, and don't hold it while running the finalizers.
(runFinalizers): Implement. Don't aquire any Java lock.
(finalizerReady): Use lock primitives to signal finalizer thread.
From-SVN: r84531
* prims.cc (_Jv_CreateJavaVM): Install SEGV and FPE handlers,
if desired, before the default class loader is initialised.
Call INIT_SEGV only if HANDLE_SEGV is defined.
From-SVN: r83348
* prims.cc (_Jv_NewObjectArray): Make sure byte size doesn't
overflow a jint.
(_Jv_NewPrimArray): Check for overflowing a jint, replacing a
check for overflowing size_t, since the lower level functions
take a jint.
* testsuite/libjava.lang/newarray_overflow.java: New file.
* testsuite/libjava.lang/newarray_overflow.out: New file.
From-SVN: r72577
2003-10-01 Andrew Haley <aph@redhat.com>
* jcf-parse.c (java_parse_file): Write otable and atable.
* java-tree.h (atable_methods): New.
(atable_decl): New.
(atable_syms_decl): New.
(enum java_tree_index): Add JTI_ATABLE_METHODS, JTI_ATABLE_DECL,
JTI_ATABLE_SYMS_DECL. Rename JTI_METHOD_SYMBOL* to JTI_SYMBOL*.
(symbol_*type): Rename method_symbol* to symbol*type.
(emit_offset_symbol_table): Delete.
(emit_symbol_table): New.
(get_symbol_table_index): New.
(atable_type): New.
* expr.c (build_field_ref): Handle flag_indirect_dispatch.
(build_known_method_ref): Likewise.
(get_symbol_table_index): Rename from get_offset_table_index.
Parameterize to allow re-use by differing types of symbol table.
(build_invokevirtual): Pass table to get_offset_table_index.
* decl.c (java_init_decl_processing): Push types and decls for
atable and atable_syyms.
* class.c (build_static_field_ref): Handle flag_indirect_dispatch.
(make_class_data): Add new fields atable and atable_syms.
(emit_symbol_table): Rename from emit_offset_symbol_table.
Parameterize to allow re-use by different types of symbol table.
(build_symbol_entry): Renamed from build_method_symbols_entry.
2003-10-01 Andrew Haley <aph@redhat.com>
* java/lang/natClass.cc (initializeClass): Check for otable and
atable.
(_Jv_LinkOffsetTable): Check for existence of atable. Rewrite
loops using for(). Search superinterfaces. Check for fields as
well as methods. Initialize atable as well as otable: check for
static methods as well as virtual methods.
* java/lang/Class.h (struct _Jv_AddressTable): New.
(atable): New.
(atable_syms): New.
* include/jvm.h (_Jv_equalUtf8Consts): constify.
* prims.cc (_Jv_equalUtf8Consts): constify.
From-SVN: r71979
2003-08-19 Andrew Haley <aph@redhat.com>
* prims.cc (unblock_signal): New function.
(SIGNAL_HANDLER): Use it.
(SIGNAL_HANDLER): Likewise.
From-SVN: r70598
2003-03-10 2003-02-27 Mohan Embar <gnustuff@thisiscool.com>
* include/jvm.h: removed declaration of _Jv_ThisExecutable()
setter; made return value of getter const char* instead of char*
* prims.cc: removed all references to _Jv_ThisExecutable().
These are in the platform-specific sections now.
* posix.cc: define platform-specific _Jv_ThisExecutable().
Handle DISABLE_MAIN_ARGS and HAVE_PROC_SELF_EXE cases
* win32.cc: define platform-specific _Jv_ThisExecutable()
using GetModuleFilename()
* java/lang/natRuntime.cc: set gnu.gcj.progname property
to argv[0] instead of _Jv_ThisExecutable()
2003-03-10 Ranjit Mathew <rmathew@hotmail.com>
* gnu/gcj/runtime/NameFinder.java (usingAddr2name): New flag
that is set if we are using addr2name.awk instead of addr2line.
(NameFinder): Set usingAddr2name if using addr2name.awk.
(getExternalLabel): New native method to convert a method
name to an external label.
(lookup): Convert name given by addr2line to an external label
before demangling.
* gnu/gcj/runtime/natNameFinder.cc (LABEL_PREFIX): New string
constant representing the prefix attached to method names to
convert them to an external label.
(gnu::gcj::runtime::NameFinder::getExternalLabel): Define
using LABEL_PREFIX.
From-SVN: r64111
2002-12-03 Andrew Haley <aph@redhat.com>
* java/lang/natClassLoader.cc (_Jv_PrepareCompiledClass): Call
_Jv_PushClass.
(_Jv_InitNewClassFields): Set protectionDomain and chain = NULL.
(_Jv_PopClass): New.
(_Jv_PushClass): New.
* java/lang/natClass.cc (forName (jstring)): Use a StackTrace to
discover the ClassLoader of our caller.
(_Jv_CheckArrayStore): Don't check that a class is assignment
compatible with Object.
* java/lang/natVMTHrowable.cc: Delete.
* gnu/gcj/runtime/StackTrace.java: New, partly copied from
java.lang.VMThrowable.
(StackTrace(), StackTrace(int)): New constructors.
(classAt, methodAt, update, methodAtAddress): New methods.
(map): New field.
* java/lang/VMThrowable.java: Use StackTrace instead of
natVMTHrowable.
* java/lang/Class.h (getClassLoaderInternal): New.
(class Class): Be friendly with _Jv_PopClass and _Jv_PushClass.
Be friendly with gnu::gcj::runtime::StackTrace.
(Object.chain): New field.
* include/java-interp.h (class _Jv_InterpMethod): Be friendly with
gnu::gcj::runtime::StackTrace.
* prims.cc (_Jv_NewObjectArray): Use getClassLoaderInternal()
instead of getClassLoader().
* verify.cc (class _Jv_BytecodeVerifier): Likewise.
java::lang::VMThrowable.
* Makefile.am (core_java_source_files): Add MethodRef.java,
StackTrace.java.
(nat_source_files): Remove natVMThrowable.cc; add natStackTrace.cc.
* Makefile.in: Rebuild.
2002-12-03 Andrew Haley <aph@redhat.com>
* class.c (make_class_data): New field, "chain".
* decl.c (java_init_decl_processing): Likewise.
From-SVN: r59769
* Makefile.am (libgcj_la_SOURCES): Remove name-finder.cc.
(core_java_source_files): Add VMThrowable.java and NameFinder.java
(nat_source_files): Remove natThrowable.cc, add natVMThrowable.cc
and natNameFinder.cc.
* Makefile.in: Regenerate.
* prims.cc: Use trace_enabled from VMThrowable.
* name-finder.cc: Removed.
* gcj/javaprims.h: Add class VMThrowable.
* gnu/gcj/runtime/NameFinder.java: New file.
* gnu/gcj/runtime/natNameFinder.cc: Likewise.
* include/name-finder.h: Removed.
* java/lang/Throwable.java (printStackTrace (PrintStream)): Use new
method stackTraceString().
(printStackTrace (PrintWriter)): Likewise.
(stackTraceString): Complete rewrite of old printStackTrace using
StringBuffer.
(stackTraceStringBuffer): New helper method for stackTraceString().
(fillInStackTrace): Delegate to VMTrowable.
(getStackTrace): Likewise.
(getStackTrace0): Removed.
(trace_enabled, stackTraceBytes): Moved to new VMThrowable.java.
(setStackTrace): Copy given array.
* java/lang/natThrowable.cc: Removed (replaced by natVMThrowable).
* java/lang/VMThrowable.java: New class.
* java/lang/natVMThrowable.cc: New file.
From-SVN: r56556
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
2002-02-06 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
* prims.cc
(_Jv_CreateJavaVM): We now use WIN32 instead of
USE_WIN32_SIGNALLING and USE_WINSOCK.
(win32_exception_handler): Now throws an exception out of
the signal handler; assumes SJLJ
From-SVN: r49429
* java/lang/natClassLoader.cc (_Jv_InitNewClassFields): New
function.
(_Jv_NewClass): Use it.
(defineClass0): Use it.
* prims.cc (_Jv_InitPrimClass): Adjust vtable here.
(_Jv_InitPrimClass): Use _Jv_InitNewClassFields.
(_Jv_NewArray): Don't abort; just throw exception.
Include InternalError.h.
* java/lang/Class.h (Class::Class): Declare, don't define.
(Class): Declare _Jv_InitNewClassFields as a friend.
(union _Jv_Self): Removed.
From-SVN: r48081
* 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
* 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
* prims.cc (_Jv_NewMultiArrayUnchecked): New method.
(_Jv_NewMultiArray): Use it. Check each array dimension.
(_Jv_NewMultiArray): Likewise.
* java/lang/reflect/natMethod.cc (can_widen): Nothing promotes to
`char'.
* java/lang/reflect/natArray.cc (newInstance): Throw
IllegalArgumentException if there are no dimensions.
From-SVN: r45951
* java/lang/ClassLoader.java (system): Remove static field.
(getSystemClassLoader): Get gnu.gcj.runtime.VMClassLoader.instance
directly instead of using it to set the system field.
(loadClass): Use VMClassLoader.instance instead of system field.
(findSystemClass): Similar.
* prims.cc (_Jv_RunMain): Clear VMClassLoader::instance rather
than ClassLoader::system which no longer exists.
* java/lang/natClassLoader.java (_Jv_FindClass): Simplify.
From-SVN: r45343
* 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
* java/lang/natRuntime.cc (_Jv_FindSymbolInExecutable): Return
NULL if no library on the list has the symbol.
(init): Call add_library on the program itself.
* prims.cc (JvRunMain): Initialize Runtime before searching for
`main'.
(_Jv_RunMain): Likewise.
From-SVN: r43413
* prims.cc (_Jv_ThisExecutable): Use _Jv_Malloc.
* posix-threads.cc (_Jv_ThreadInitData): Use _Jv_Malloc.
(_Jv_ThreadDestroyData): Use _Jv_Free.
From-SVN: r41650
2000-03-23 Jeff Sturm <jsturm@one-point.com>
* prims.cc (_Jv_FindClassFromSignature): Check return of
recursive call. Do not abort on invalid signature; return NULL
instead.
From-SVN: r40787
2001-03-12 Bryce McKinlay <bryce@albatross.co.nz>
* java/lang/Runtime.java (_exit): Declare new package-private native.
* java/lang/natRuntime.cc (_exit): Implemented. Same as exit() but
without a security manager check.
(exit): Call _exit after security check.
* prims.cc (JvRunMain): Call Runtime._exit to shutdown the runtime
"naturally".
* java/lang/System.java (setSecurityManager): If a security manager
is already in place, call checkPermission.
* java/lang/ThreadGroup.java (uncaughtException): If printStackTrace()
throws an exception, try to deal with it gracefully.
* java/lang/ExceptionInInitializerError.java (printStackTrace):
Only try to print the subordinate stack trace if "exception" is set.
Print our class name first.
From-SVN: r40401