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
