2005-03-10 Bryce McKinlay <mckinlay@redhat.com>
New Stack Trace infrastructure.
* Makefile.am (libgcj0_convenience_la_SOURCES): Add stacktrace.cc.
(gnu/gcj/runtime/StackTrace.lo): Removed.
(ordinary_java_source_files): Remove obsolete files.
(nat_source_files): Remove obsolete files. Add natVMThrowable.cc.
* configure.host (fallback_backtrace_h): Set backtrace header
for mingw and cygwin targets.
* configure.ac: Make symlink for fallback backtrace headers.
* Makefile.in, configure: Rebuilt.
* defineclass.cc (_Jv_ClassReader::read_one_code_attribute):
Read 'LineNumberTable' attribute.
(_Jv_ClassReader::read_one_class_attribute): Read 'SourceFile'
attribute.
(_Jv_ClassReader::handleCodeAttribute): Initialize method line
table fields.
* exception.cc: Remove unused include.
* interpret.cc (DIRECT_THREADED, insn_slot): Moved to java-interp.h.
(SAVE_PC): New macro. Save current PC in the interpreter frame.
(NULLCHECK, NULLARRAYCHECK): Use SAVE_PC.
(_Jv_InterpMethod::compile): Translate bytecode PC values in the line
table to direct threaded instruction values.
(_Jv_StartOfInterpreter, _Jv_EndOfInterpreter): Removed.
(_Jv_InterpMethod::run): No longer member function. All
callers updated. Remove _Unwind calls. Call SAVE_PC whenever a call
is made or where an instruction could throw.
(_Jv_InterpMethod::get_source_line): New. Look up source line numbers
in line_table.
* prims.cc (catch_segv): Construct exception after MAKE_THROW_FRAME.
(catch_fpe): Likewise.
* stacktrace.cc: New file. Stack trace code now here.
* gnu/gcj/runtime/MethodRef.java:
* gnu/gcj/runtime/NameFinder.java: Mostly reimplemented. Now simply
calls addr2line to look up PC addresses in a given binary or shared
library.
* gnu/gcj/runtime/StackTrace.java, gnu/gcj/runtime/natNameFinder.cc,
gnu/gcj/runtime/natStackTrace.cc: Removed.
* gnu/java/lang/MainThread.java (call_main): Add comment warning that
this function name is specially recognised by the stack trace code
and shouldn't be changed.
* include/java-interp.h (DIRECT_THREADED, insn_slot): Moved here.
(struct _Jv_LineTableEntry, line_table, line_table_len): New.
(_Jv_InterpMethod::run): Update declaration.
(_Jv_StackTrace_): New friend. NameFinder and StackTrace no longer
friends.
(_Jv_InterpFrame): Renamed from _Jv_MethodChain. Add PC field.
* include/java-stack.h: New file. Declarations for stack tracing.
* include/jvm.h (_Jv_Frame_info): Removed.
* java/lang/Class.h: Update friend declarations.
* java/lang/VMClassLoader.java (getSystemClassLoader): Simplify
exception message.
* java/lang/VMThrowable.java (fillInStackTrace): Now native.
(getStackTrace): Now native.
(data): New RawDataManaged field.
* java/lang/natClass.cc: Update includes.
(forName): Use _Jv_StackTrace::GetCallingClass for
calling-classloader check.
(getClassLoader): Likewise.
* java/lang/natRuntime.cc: Update includes.
(_load): Use _Jv_StackTrace::GetFirstNonSystemClassLoader.
* java/lang/natVMSecurityManager.cc: Update includes.
(getClassContext): Use _Jv_StackTrace::GetClassContext.
* java/lang/natVMThrowable.cc: New file. Native methods for
VMThrowable.
* java/lang/reflect/natArray.cc: Update includes.
(newInstance): Use _Jv_StackTrace::GetCallingClass to implement
accessibility check.
* java/lang/reflect/natConstructor.cc: Update includes.
(newInstance): Use _Jv_StackTrace::GetCallingClass to implement
accessibility check.
* java/lang/reflect/natField.cc: Update includes.
(getAddr): Use _Jv_StackTrace::GetCallingClass to implement
accessibility check.
* java/lang/reflect/natMethod.cc: Update includes.
(invoke): Use _Jv_StackTrace::GetCallingClass to implement
accessibility check.
* java/util/natResourceBundle.cc: Update includes.
(getCallingClassLoader): Use _Jv_StackTrace::GetCallingClass.
* java/util/logging/natLogger.cc: Update includes. Use
_Jv_StackTrace::GetCallerInfo to get call-site info.
* sysdep/generic/backtrace.h: Fallback backtrace code. Stub
implementation.
* sysdep/i386/backtrace.h: New. Fallback backtrace code. i386
implementation.
From-SVN: r96253
2004-10-25 Geoffrey Keating <geoffk@apple.com>
* config/darwin.h (LINK_SPEC): Default weak_reference_mismatches
to 'non-weak'.
(MAKE_DECL_ONE_ONLY): Set DECL_WEAK.
(ASM_MAKE_LABEL_LINKONCE): Delete.
(ASM_WEAKEN_DECL): New.
(ASM_DECLARE_OBJECT_NAME): Look at DECL_WEAK not DECL_ONE_ONLY.
(ASM_DECLARE_FUNCTION_NAME): Likewise.
(TEXT_SECTION_ASM_OP): Add a tab.
(DATA_SECTION_ASM_OP): Likewise.
(SECTION_FUNCTION): Add a tab. Use fputs. Don't call
data_section on every section change.
(EXTRA_SECTIONS): Add a bunch of new extra sections.
(EXTRA_SECTION_FUNCTIONS): Likewise.
(USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
(JCR_SECTION_NAME): Define.
(TARGET_SECTION_TYPE_FLAGS): Don't define.
* config/darwin.c (darwin_encode_section_info): A symbol is defined
in this file if it is not weak.
(textcoal_section): Delete.
(datacoal_section): Delete.
(darwin_make_decl_one_only): Delete.
(machopic_select_section): Handle functions.
(darwin_asm_named_section): Add a tab.
(darwin_section_type_flags): Delete.
(darwin_unique_section): Delete contents.
(darwin_emit_unwind_label): Add a tab. Make decls weak if
DECL_WEAK is set.
* config/darwin-protos.h (darwin_section_type_flags): Delete.
(darwin_make_decl_one_only): Delete.
(text_coal_section): New.
(text_unlikely_section): New.
(text_unlikely_coal_section): New.
(const_coal_section): New.
(data_coal_section): New.
(const_data_coal_section): New.
* varasm.c (function_section): Honour
USE_SELECT_SECTION_FOR_FUNCTIONS.
* dwarf2out.c (output_call_frame_info): Look at DECL_WEAK when
TARGET_USES_WEAK_UNWIND_INFO is in effect.
* dbxout.c (dbxout_source_file): Don't change sections while
a function is being output.
Index: gcc/testsuite/ChangeLog
2004-10-25 Geoffrey Keating <geoffk@apple.com>
* objc.dg/image-info.m: Update for changes to section selection.
Index: libjava/ChangeLog
2004-10-25 Geoffrey Keating <geoffk@apple.com>
* Makefile.am (DARWIN_CRT_SRC): New.
(libgcj_la_SOURCES): Use it.
* configure.ac: Define USING_DARWIN_CRT when on Darwin.
* darwin.cc: New file.
* include/jvm.h (_Jv_RegisterClasses): Constify.
(_Jv_RegisterClasses_Counted): New prototype.
* java/lang/Class.h: Include stddef.h.
(_Jv_RegisterClasses): Constify.
(_Jv_RegisterClasses_Counted): New prototype.
(Object): Make '_Jv_RegisterClasses_Counted' a friend.
* java/lang/natClassLoader.cc (_Jv_RegisterClasses): Constify.
(_Jv_RegisterClasses_Counted): New function.
* configure: Regenerate.
* Makefile.in: Regenerate.
* gcj/Makefile.in: Regenerate.
* include/Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
Index: libstdc++-v3/ChangeLog
2004-10-25 Geoffrey Keating <geoffk@apple.com>
* libsupc++/new_op.cc (new): Make weak.
* libsupc++/new_opnt.cc (new): Make weak.
* libsupc++/new_opv.cc (new): Make weak.
* libsupc++/new_opvnt.cc (new): Make weak.
* libsupc++/delete_op.cc (delete): Make weak.
* libsupc++/delete_opnt.cc (delete): Make weak.
* libsupc++/delete_opv.cc (delete): Make weak.
* libsupc++/delete_opvnt.cc (delete): Make weak.
From-SVN: r89572
* java/lang/Class.h (JV_STATE_LOADED, JV_STATE_COMPILED): Swap order.
* defineclass.cc (_Jv_ClassReader::parse): Print message if
gcj::verbose_class_flag.
* java/lang/natClass.cc (initializeClass): Don't print message here.
* java/lang/natClassLoader.cc (_Jv_WaitForState): If state was
_JV_STATE_COMPILED, set to JV_STATE_LOADED and may print message.
(_Jv_PrepareCompiledClass): Likewise.
From-SVN: r84926
2004-04-21 Bryce McKinlay <mckinlay@redhat.com>
* java/lang/natClass.cc (_Jv_LayoutInterfaceMethods): New method.
Set method->index values for interface methods to their itable
index.
(initializeClass): Call _Jv_LayoutInterfaceMethods.
From-SVN: r80978
2003-10-22 Andrew Haley <aph@redhat.com>
* lang.c (LANG_HOOKS_GET_CALLEE_FNDECL): New.
(java_get_callee_fndecl): New.
* jcf-parse.c (java_parse_file): Call emit_catch_table().
* java-tree.h (ctable_decl): New.
(catch_classes): New.
(java_tree_index): Add JTI_CTABLE_DECL, JTI_CATCH_CLASSES.
* decl.c (java_init_decl_processing): Add catch_class_type.
Add ctable_decl.
Add catch_classes field.
* class.c (build_indirect_class_ref): Break out from
build_class_ref.
(make_field_value): Check flag_indirect_dispatch.
(make_class_data): Ditto.
Tidy uses of PUSH_FIELD_VALUE.
Add field catch_classes.
(make_catch_class_record): New.
* java-tree.h (PUSH_FIELD_VALUE): Tidy.
2003-10-22 Andrew Haley <aph@redhat.com>
* java/lang/natClass.cc (initializeClass): Call
_Jv_linkExceptionClassTable.
(_Jv_LinkSymbolTable): Call )_Jv_ThrowNoSuchMethodError. Call
_Jv_Defer_Resolution on a method whose ncode is NULL.
(_Jv_linkExceptionClassTable): New function.
(_Jv_LayoutVTableMethods): If superclass looks like a constant pool
entry, look it up.
* java/lang/Class.h (struct _Jv_CatchClass): New.
(_Jv_linkExceptionClassTable): New friend.
(_Jv_Defer_Resolution): New friend.
(class Class.catch_classes): New field.
* include/java-interp.h (Jv_Defer_Resolution): New method.
(_Jv_PrepareClass): Make a friend of _Jv_MethodBase.
(_Jv_MethodBase.deferred): New field.
(_Jv_Defer_Resolution): New function.
* resolve.cc (_Jv_PrepareClass): Resolve deferred handlers.
* exception.cc (get_ttype_entry): Change return type to void**.
(PERSONALITY_FUNCTION): Remove all code related to using a
Utf8Const* for a match type. Change match type to be a pointer to
a pointer, rather than a pointer to a Class.
* defineclass.cc (handleCodeAttribute): Initialize
method->deferred.
(handleMethodsEnd): Likewise.
From-SVN: r72886
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
* java/lang/reflect/Proxy.java (generate): Uncomment protection
domain code.
* java/lang/natClassLoader.cc (defineClass): Added `loader'
argument.
(linkClass0): Now in VMClassLoader.
(markClassErrorState0): Likewise.
(getSystemClassLoaderInternal): New method.
* java/lang/natClass.cc (initializeClass): Use
VMClassLoader::resolveClass.
* java/lang/ClassLoader.java: New version, from Classpath.
* java/lang/Class.java (getProtectionDomain):
protectionDomainPermission and unknownProtectionDomain now in
VMClassLoader.
* java/lang/Class.h: VMClassLoader now a friend class.
* gnu/gcj/runtime/VMClassLoader.java (instance): Now
package-private.
* gcj/javaprims.h: Regenerated class list.
* resolve.cc (_Jv_PrepareClass): Use VMClassLoader::resolveClass.
* java/lang/VMClassLoader.java: New version from Classpath;
modified for libgcj use.
From-SVN: r71765
* Makefile.in: Rebuilt.
* Makefile.am (ordinary_java_source_files): Added new files.
* java/lang/Class.h (_Jv_sharedlib_register_hook): Declare as
friend.
* java/net/URLClassLoader.java (findClass): Don't use
findURLResource. Use loader's getClass method.
(URLLoader.getClass): New method.
(addURL): Handle `gcjlib' URLs.
(SoURLLoader): New class.
(SoResource): Likewise.
* gnu/gcj/protocol/gcjlib/Connection.java: New file.
* gnu/gcj/protocol/gcjlib/Handler.java: New file.
* include/jvm.h (struct _Jv_core_chain): Moved from natCore.cc.
(_Jv_RegisterCoreHook): Declare.
(_Jv_FindCore): Declare.
* gnu/gcj/runtime/SharedLibHelper.java: New file.
* gnu/gcj/runtime/natSharedLibLoader.cc (CoreHookFunc): New
typedef.
(core_hook): New function.
(struct SharedLibDummy) [saved_core]: New field.
(init): Set _Jv_RegisterCoreHook. Throw exception on failure.
(register_hook): Set protection domain and class loader on new
class.
(finalize): Free core chain.
* gnu/gcj/Core.java (Core): New constructor.
* gnu/gcj/runtime/SharedLibLoader.java: Rewrote to use
SharedLibHelper.
* gnu/gcj/natCore.cc (_Jv_RegisterResource): Indentation fixlet.
(_Jv_create_core): New function.
(create): Use it.
(default_register_resource): New function.
(_Jv_RegisterCoreHook): New global.
(_Jv_RegisterResource): Use it.
(core_chain_struct): Removed.
(_Jv_FindCore): New function.
(_Jv_FreeCoreChain): New function.
From-SVN: r70892
* java/lang/natClassLoader.cc (defineClass0): Removed erroneous
comment.
* java/lang/ClassLoader.java (defineClass): Use chained
exception when rethrowing.
* defineclass.cc (handleClassBegin): Mark class as interpreted.
* java/lang/reflect/Modifier.java (INVISIBLE, INTERPRETED): New
constants.
* resolve.cc (_Jv_PrepareMissingMethods): New function.
(_Jv_PrepareClass): Use it.
* include/java-interp.h (_Jv_IsInterpretedClass): Rewrote.
(_Jv_InterpClass): _Jv_PrepareMissingMethods now friend.
* java/lang/Class.h (Class::getModifiers): Mask with ALL_FLAGS.
(Class): _Jv_PrepareMissingMethods now friend.
* java/lang/natClassLoader.cc (defineClass0): Use JvSynchronize.
Record `NULL' for system class loader.
(_Jv_RegisterInitiatingLoader): Use JvSynchronize. Special case
system class loader.
(_Jv_FindClassInCache): Likewise.
(_Jv_UnregisterClass): Use JvSynchronize. Free old loader info.
(_Jv_FindClass): Special case system class loader.
* java/lang/natClass.cc (_Jv_abstractMethodError): New function.
(_Jv_SetVTableEntries): Put _Jv_abstractMethodError into empty
vtable slots.
(_Jv_LayoutVTableMethods): Don't generate vtable slot for a method
in a final class.
(_getDeclaredMethod): Don't return synthetic methods.
(getDeclaredMethods): Likewise.
(_getMethod): Likewise.
(_getMethods): Likewise.
From-SVN: r60319
* java/lang/Class.h (_Jv_SetVTableEntries): Updated declaration.
* resolve.cc: Don't include AbstractMethodError.h.
(_Jv_abstractMethodError): Removed.
* defineclass.cc (handleMethodsBegin): Initialize method index to
-1.
* java/lang/natClass.cc (_Jv_LayoutVTableMethods): Don't set
method index for "new" final method.
(_Jv_SetVTableEntries): Compare index against -1 instead of using
isVirtualMethod. Added `flags' argument.
(_Jv_MakeVTable): Throw exception for abstract method in concrete
class.
From-SVN: r59847
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
2002-07-04 Tom Tromey <tromey@redhat.com>
Jeff Sturm <jsturm@one-point.com>
Fix for PR libgcj/7060:
* java/lang/Class.h (_getMethod): Renamed from getMethod.
* java/lang/natClass.cc (_getMethod): Renamed from getMethod.
Recurse into superinterfaces. Don't throw NoSuchMethodException.
* java/lang/Class.java (getMethod): New Java implementation;
complies with spec.
(_getMethod): New native method.
Co-Authored-By: Jeff Sturm <jsturm@one-point.com>
From-SVN: r55266
* 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
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
* java/lang/Class.h (_Jv_Self): New union type.
(Class): Manipulate vtable pointer via _Jv_Self union. Thanks to
Jeff Sturm and Fergus Henderson.
* java/lang/ClassLoader.java: Remove dead code fragment.
From-SVN: r41876
* java/lang/Class.h (isInterface): Move implementation from
natClass.cc. Declare inline.
(Class): Add default constructor.
* java/lang/Object.h: Update comments.
* java/lang/natClass.cc (initializeClass): Use _Jv_InitClass to
initialize superclass, saving a call if super is already initialized.
From-SVN: r39091
Bryce McKinlay
Tom Tromey
Tom Tromey
Kriang Lerdsuwanakij
Geoffrey Keating
Per Bothner
Michael Koch
Andrew Haley
Mark Wielaard
Mark Mitchell
Jeff Sturm
Bryce McKinlay
Joseph Myers
Bryce McKinlay
Bryce McKinlay
Alexandre Petit-Bianco