2007-09-04  Andrew Haley  <aph@redhat.com>

	PR java/27908
	* testsuite/libjava.lang/PR27908.java
	({run1,run2,run3}.isRunning): New Method.
	(main): Fix race condition.

2007-08-29  Andrew Haley  <aph@redhat.com>

	* gnu/classpath/natVMStackWalker.cc (VMStackWalker::getCallingClass):
	Make sure we're not sibcalled.
	(GET_CALLING_CLASS): Define for ARM EABI.

2007-08-22  Andrew Haley  <aph@redhat.com>

	* configure.host (BACKTRACESPEC): Add arm*-linux*.

2007-08-22  Andrew Haley  <aph@redhat.com>

	* configure.ac (LIBSTDCXXSPEC): New.
	* configure.host: Add arm*-linux* to pthread test.
	* configure.ac (LIBGCJTESTSPEC): Add path to libstdc++ for ARM
	EABI.
	* testsuite/libjava.jni/jni.exp (gcj_jni_compile_c_to_so): Use
	-fexceptions for ARM EABI.
	* testsuite/lib/libjava.exp (libjava_arguments): Add libgcj-test.spec.
	(libjava_invoke): Log the invocation.

2007-08-15  Andrew Haley  <aph@redhat.com>

	* configure.ac (extra_ldflags): Define.
	* Makefile.am: Use extra_ldflags for all executables.

2007-08-14  Andrew Haley  <aph@redhat.com>

	* sysdep/arm/backtrace.h: Remove stubs for _Unwind_GetIPInfo,
	_Unwind_GetRegionStart, and _Unwind_Backtrace.

2007-07-27  Andrew Haley  <aph@redhat.com>

	* gnu/classpath/natVMStackWalker.cc (GET_CALLING_CLASS): Stub for
	ARM EABI.
	* exception.cc (get_exception_header_from_ue): New.
	(get_ttype_entry): ARM EABI version.
	(PERSONALITY_FUNCTION): Add ARM EABI code.
	* sysdep/arm/backtrace.h: New file.
	* stacktrace.cc (_URC_NORMAL_STOP): New.
	* configure.ac (extra_ldflags_libjava): Add libsupc++.la for ARM
	EABI.
	* configure.host (BACKTRACESPEC): Add arm/backtrace.h.

From-SVN: r128098

	* configure.ac (INTERPRETER): New AM_CONDITIONAL.
	* scripts/makemake.tcl (package_map): Mark jdwp and jvmti packages
	as being for interpreter only.  Place interpreter related files in
	'if INTERPRETER' block.
	(interpreter_package_files): New list.
	(interpreter_header_vars): Ditto.
	(emit_package_rule_to_list): Renamed from emit_package_rule with
	new target list parameter.
	(emit_package_rule): Rewritten to call emit_package_rule_to_list.
	(emit_interpreter_rule): New function.
	(emit_source_var): Place interpreter related files in
	interpreter_header_vars.
	* Makefile.am (ACLOCAL_AMFLAGS): Add -I libltdl.
	(libgcj_interpret_source_files): New variable.
	(libgcj_la_SOURCES): Move jvmti.cc and  interpret.cc to
	libgcj_interpret_source_files and include
	libgcj_interpret_source_files.
	(nat_jdwp_source_files): New variable.
	(nat_jvmti_source_files): Ditto.
	(nat_source_files): Move jdwp and jvmti related files to
	nat_jdwp_source_files and nat_jvmti_source_files and include
	nat_jdwp_source_files and nat_jvmti_source_files.
	* Makefile.in: Regenerate.
	* include/Makefile.in: Ditto.
	* testsuite/Makefile.in: Ditto.
	* gcj/Makefile.in: Ditto.
	* sources.am: Ditto.
	* configure: Ditto.
	* include/config.h.in: Ditto.
	* interpret.cc: Remove #ifdef INTERPRETER block.
	* stacktrace.cc (UnwindTraceFn): Do not handle proxy frames if
	interpreter disabled.
	* include/java-interp.h (_Jv_FrameType): Move outside of
	#ifdef INTERPRETER block.
	* include/execution.h (_Jv_IndirectCompiledEngine::do_get_closure_list,
	_Jv_InterpreterEngine, _Jv_soleInterpreterEngine): Place in
	#ifdef INTERPRETER block.
	* jni.cc (jvmti.h, jvmti-int.h):  Only include if INTERPRETER is
	defined.
	(_Jv_JNI_PopSystemFrame, _Jv_JNI_GetEnv): Only do jvmti processing
	if INTERPRETER is defined.
	* prims.cc (jvmti.h, jvmti-int.h, Jdwp.h, VMVirtualMachine.h):  Only
	include if INTERPRETER is defined.
	(defaultJdwpOptions, jdwpOptions, jvmti_agent_onload_func,
	jvmti_agent_onunload_func, jvmti_agentonload, jvmti_agentonunload,
	jvmti_agent_opts, load_jvmti_agent): Only define if INTERPRETER is
	defined.
	(parse_x_arg): Only process 'runjdwp:' if INTERPRETER is defined.
	(parse_init_args): Only process jvmti related options if
	INTERPRETER is defined.
	(_Jv_CreateJavaVM): Only call _Jv_JVMTI_Init if INTERPRETER is
	defined.
	(_Jv_RunMain): Only do jvmti and jdwp processing if INTERPRETER is
	defined.
	* link.cc (jvmti.h, jvmti-int.h):  Only include if INTERPRETER is
	defined.
	(_Jv_ThrowNoClassDefFoundError, _Jv_Linker::create_error_method):
	Define if if INTERPRETER is not defined.
	(_Jv_Linker::wait_for_state): Only do jvmti proccessing if
	INTERPRETER is defined.
	* boehm.cc (closure_list_pointer, finalize_closure_list,
	_Jv_ClosureListFinalizer): Only define if INTERPRETER is
	defined.
	* java/lang/natThread.cc (jvmti.h, jvmti-int.h):  Only include if
	INTERPRETER is defined.
	(finish_, _Jv_NotifyThreadStart): Only do jvmti proccessing if
	INTERPRETER is defined.
	* java/lang/Class.h (_Jv_InterpreterEngine): Move declaration
	and friend declaration inside #ifdef INTERPRETER block.
	* java/lang/natClass.cc (_Jv_ClosureList::releaseClosures,
	_Jv_ClosureList::registerClosure, _Jv_GetInterpClassSourceFile):
	Only define if INTERPRETER is defined.
	* java/lang/reflect/natVMProxy.cc (UnsupportedOperationException.h):
	Include.
	(generateProxyClass): Throw UnsupportedOperationException unless
	INTERPRETER is defined.

From-SVN: r127097

2007-01-29  Kyle Galloway  <kgallowa@redhat.com>

	* include/java-interp.h:  Added _Jv_Frame class and its two
	subclasses _Jv_InterpFrame and _Jv_NativeFrame.  Also moved
	_Jv_FrameType from java-stack.h.
	* include/java-stack.h: Removed _Jv_FrameType.
	* java/lang/Thread.java: Added frame member to hold new
	composite frame stack.
	* java/lang/Thread.h: Regenerated.
	* java/lang/Thread.class: Rebuilt.
	* jni.cc (_Jv_JNIMethod::call): Push a frame onto the stack when
	calling a JNI method.
	* jvmti.cc (_Jv_JVMTI_GetStackTrace): New Method.
	(_Jv_JVMTI_GetFrameCount): New method.
	* stacktrace.cc (UnwindTraceFn): Modified to use new _Jv_Frame
	classes.
	* testsuite/libjava.jvmti/interp/getstacktrace.jar: New test.
	* testsuite/libjava.jvmti/interp/natgetstacktrace.cc: New test.
	* testsuite/libjava.jvmti/interp/getstacktrace.h: New test.
	* testsuite/libjava.jvmti/interp/getstacktrace.jar: New test.
	* testsuite/libjava.jvmti/interp/getstacktrace.out: Output file
	for test.

From-SVN: r121314

From-SVN: r120621

        * include/java-stack.h (ncodeMap): Declare.
        (_Jv_StackTrace): Make _Jv_GetMethodDeclaringClass friend.
        * java/lang/Class.h (_Jv_GetMethodDeclaringClass): Declare.
        * java/lang/natClass.cc (_Jv_GetMethodDeclaringClass): New
        function.
        * stacktrace.cc (ncodeMap): Redefine from file global to global
        for class _Jv_StackTrace.
        (_Jv_StackTrace::UpdateNCodeMap): Add interpreted classes, too,
        so that _Jv_GetMethodDeclaringClass can find them all.
        (_Jv_StackTrace::ClassForFrame): Exclude interpreted classes.
        * jvmti.cc (_Jv_JVMTI_GetMethodDeclaringClass): New function.
        (_Jv_JVMTI_Interface): Define GetMethodDeclaringClass function.

From-SVN: r118100

2006-09-26  Jack Howarth  <howarth@bromo.med.uc.edu>

	PR target/26792:
	* exception.cc (PERSONALITY_FUNCTION): use _Unwind_GetIP
	if HAVE_GETIPINFO not defined.
	* stacktrace.cc (_Jv_StackTrace::UnwindTraceFn): Likewise.
	(_Jv_StackTrace::getLineNumberForFrame): Likewise.
	* configure.ac: use GCC_CHECK_UNWIND_GETIPINFO.
	* aclocal.m4, configure, include/config.h.in, Makefile.in:
	Rebuilt.

From-SVN: r117259

2006-08-15  Kyle Galloway  <kgallowa@redhat.com>

  * include/java-interp.h (_Jv_InterpMethod::run_debug): New method.
  * interpret.cc: Added placeholder for debug variable type info to STORE*
  macros.
  (_Jv_InterpMethod::run_debug): New method.
  (_Jv_InterpMethod::run_sync_object_debug): New method.
  (_Jv_InterpMethod::run_sync_class_debug): New method.
  (_Jv_InterpMethod::run_normal_debug): New method.
  (_Jv_InterpMethod::run_class_debug): New method.
  (_Jv_InterpMethod::ncode ()): Changed to select either debug or normal
  versions of these functions.
  * interpret-run.cc: New file, holds contents of old 	
  _Jv_InterpMethod::run method.
  * stacktrace.cc (_Jv_StackTrace::UnwindTraceFn): Changed to select
  appropriate function for debug or normal mode.

From-SVN: r116167

2006-08-10  Gary Benson  <gbenson@redhat.com>

	* include/java-stack.h (GetAccessControlStack): Change return
	type.
	* stacktrace.cc (accesscontrol_trace_fn): Record the number of
	Java frames encountered.
	(GetAccessControlStack): Return a flag indicating whether a call to
	doPrivileged was encountered rather than an array of method names.
	* java/security/natVMAccessController.cc (getStack): Change return
	type.
	* java/security/VMAccessController.java (getStack): Likewise.
	(getContext): Change to reflect the above.

From-SVN: r116058

2006-08-09  Gary Benson  <gbenson@redhat.com>

	* stacktrace.cc (accesscontrol_trace_fn): Skip non-Java frames.

From-SVN: r116038

2006-08-09  Gary Benson  <gbenson@redhat.com>

	* include/java-stack.h (accesscontrol_trace_fn): Declare.
	(GetAccessControlStack): Likewise.
	(GetClassMethodStack): Remove.
	* stacktrace.cc (accesscontrol_trace_fn): New method.
	(GetAccessControlStack): Likewise.
	(GetClassMethodStack): Remove.
	* java/security/natVMAccessController.cc (getStack): Use
	GetAccessControlStack.

From-SVN: r116032

2006-07-28  Gary Benson  <gbenson@redhat.com>
	    Casey Marshall <csm@gnu.org>

	PR libgcj/13604:
	* include/java-stack.h (GetClassMethodStack): Declare.
	* stacktrace.cc (GetClassMethodStack): New method.
	* java/security/AccessController.java: Removed.
	* java/security/VMAccessController.java: New file.
	* java/security/natVMAccessController.cc: Likewise.
	* Makefile.am (nat_source_files): Added the above.
	* sources.am, Makefile.in: Rebuilt.


Co-Authored-By: Casey Marshall <csm@gnu.org>

From-SVN: r115793

	* stacktrace.cc (_Jv_StackTrace::GetStackTrace): Unconditionally use
	_Unwind_Backtrace().
	(_Jv_StackTrace::GetCallerInfo): Enable even for targets using SJLJ
	EH.
	(_Jv_StackTrace::GetClassContext): Unconditionally use
	_Unwind_Backtrace().
	(_Jv_StackTrace::GetFirstNonSystemClassLoader): Likewise.
	* sysdep/i386/backtrace.h (HAVE_FALLBACK_BACKTRACE): Do not define.
	(_Unwind_GetIPInfo): Define macro if SJLJ EH is in use.
	(_Unwind_GetRegionStart): Likewise.
	(_Unwind_Backtrace): Likewise.
	(fallback_backtrace): Accept additional unwind trace function
	argument.  Call it during unwinding.  Stop when any of _Jv_RunMain(),
	_Jv_ThreadStart() or main() is seen during unwinding.
	* sysdep/generic/backtrace.h (fallback_backtrace): Accept an
	additional unwind trace function argument.

From-SVN: r115449

2006-07-12  Bryce McKinlay  <mckinlay@redhat.com>

	PR libgcj/28352
	* stacktrace.cc (getLineNumberForFrame): Roll back PC by 1 when
	looking up line number for interpreted frame.

From-SVN: r115370

2006-07-06  Bryce McKinlay <mckinlay@redhat.com>

        * stacktrace.cc (ClassForFrame): Remove commented-out code.
        (UnwindTraceFn): Use _Unwind_GetIPInfo and adjust IP
        only when needed.
        (getLineNumberForFrame): Don't adjust IP here.
        * testsuite/libjava.lang/StackTrace.java: New test case.
        * testsuite/libjava.lang/StackTrace.out: Ditto.

From-SVN: r115235

	* gcj/javaprims.h (_Jv_uintptr_t): New typedef similar to uintptr_t in
	C99.
	* include/java-stack.h: Include stdlib.h.
	(_Jv_AddrInfo): New structure to hold address information.
	* include/posix.h (_Jv_platform_dladdr): Declare.
	* include/win32.h (_Jv_platform_dladdr): Declare.
	(backtrace): Remove declaration.
	* posix.cc: Include dlfcn.h if available.  Include java-stack.h.
	(_Jv_platform_dladdr): Define.
	* win32.cc: Include string.h.  Include java-stack.h.
	(backtrace): Remove.
	(_Jv_platform_dladdr): Define.
	* sysdep/i386/backtrace.h (fallback_backtrace): Check that a potential
	frame pointer value is 32-bit word-aligned.  Use operand of the CALL
	instruction calling the current function to find its starting address.
	* stacktrace.cc: Do not include dlfcn.h.  Include platform.h.
	(_Jv_StackTrace::getLineNumberForFrame): Use _Jv_platform_dladdr()
	instead of dladdr().
	(_Jv_StackTrace::GetStackTraceElements): Use nCodeMap even for Windows.
	(_Jv_StackTrace::GetClassContext): Use fallback_backtrace() for
	targets with SJLJ exceptions instead of using _Unwind_Backtrace().
	(_Jv_StackTrace::GetFirstNonSystemClassLoader): Likewise.

From-SVN: r115069

2006-06-05  David Daney  <ddaney@avtrex.com>

	* gcj.texi (libgcj Runtime Properties): Document
	gnu.gcj.runtime.NameFinder.show_raw and
	gnu.gcj.runtime.NameFinder.remove_unknown.

2006-06-05  David Daney  <ddaney@avtrex.com>

	* gnu/gcj/runtime/NameFinder.java (show_raw): New field.
	(showRaw): New method.
	* stacktrace.cc : Include gnu/gcj/runtime/StringBuffer.h.
	(getLineNumberForFrame): Show IP offset in trace if line number
	not available and show_raw true.

From-SVN: r114437

	* stacktrace.cc (_Jv_StackTrace::UpdateNCodeMap): Don't add
	interpreted classes.

From-SVN: r114253

From-SVN: r113802

stacktrace.cc (StackTrace::FillInFrameInfo): Use UNWRAP_FUNCTION_DESCRIPTOR to compare frame->start_ip against the...

2006-05-15  Andreas Tobler  <a.tobler@schweiz.ch>

	* stacktrace.cc (StackTrace::FillInFrameInfo): Use
	UNWRAP_FUNCTION_DESCRIPTOR to compare frame->start_ip against the
	klass->methods[j].ncode.

From-SVN: r113801

stacktrace.cc (GetStackTraceElements): Call gnu::gcj::runtime::NameFinder::removeUnknown() to determine if...

2006-02-16  Andrew Haley  <aph@redhat.com>

        * stacktrace.cc (GetStackTraceElements): Call
        gnu::gcj::runtime::NameFinder::removeUnknown() to determine if
        non-Java frames should be removed from a printed stack trace.
        Pass methodName to getLineNumberForFrame().
        (getLineNumberForFrame): Set method_name from info.dli_sname.
        * gnu/gcj/runtime/NameFinder.java (removeUnknown): New method.
        (remove_unknown): New variable.
        * include/java-stack.h (_Jv_StackTrace::getLineNumberForFrame):
        Add methodName arg.

From-SVN: r111181

stacktrace.cc (UnwindTraceFn): Use UNWRAP_FUNCTION_DESCRIPTOR to compare _Jv_InterpMethod::run against current...

	* stacktrace.cc (UnwindTraceFn): Use UNWRAP_FUNCTION_DESCRIPTOR
	to compare _Jv_InterpMethod::run against current func.

From-SVN: r107746

	PR libgcj/23507
	* stacktrace.cc (_Jv_StackTrace::UnwindTraceFn): Fix typo in newLength
	assignment.  Cast operands of compare to function pointer type.

From-SVN: r103325

        PR libgcj/21692
        * sysdep/descriptor-n.h: New file.
        * sysdep/descriptor-y.h: New file.
        * sysdep/powerpc/descriptor.h: New file.
        * configure.host: Set $descriptor_h appropriate for the host.
        * configure.ac: Link it.
        * configure: Regenerate.
        * stacktrace.cc: Include sysdep/descriptor.h.
        (_Jv_StackTrace::UpdateNCodeMap): Use UNWRAP_FUNCTION_DESCRIPTOR.

From-SVN: r100173

From-SVN: r99733

	* Makefile.in: Rebuilt.
	* Makefile.am (AM_CXXFLAGS): Define TOOLEXECLIBDIR.
	(libgcj0_convenience_la_SOURCES): Don't include
	gnu_xml_source_files.
	(libgcj0_convenience_la_LIBADD): New variable.
	(libgcj_la_LIBADD): Don't include sax or w3c_dom.
	(all_java_source_files): javax_imageio_source_files,
	javax_xml_source_files, and gnu_java_beans_source_files.
	($(gnu_xml_source_files:.java=.lo)): Removed target.
	(gnu-xml.lo): New target.
	(javax-imageio.lo): Likewise.
	(javax-xml.lo): Likewise.
	(gnu-java-beans.lo): Likewise.
	(gnu_java_beans_source_files): New variable.
	(javax_imageio_source_files): Likewise.
	(javax_xml_source_files): Likewise.
	(javax_source_files): Moved files to other variable.
	(awt_java_source_files): Likewise.
	(ordinary_java_source_files): Added BootClassLoader.java.
	* java/lang/natVMClassLoader.cc (defineClass): Use boot loader,
	not system class loader.
	(initBootLoader): New method.
	(loadClass): Search bootLoader.
	* java/lang/natClassLoader.cc (_Jv_RegisterInitiatingLoader): Use
	boot loader, not system class loader.
	(_Jv_UnregisterInitiatingLoader): Likewise.
	(_Jv_FindClass): Likewise.  Ensure entries in
	bootstrap_class_list are unique.
	* java/lang/natClass.cc (getClassLoader): Don't special case
	system class loader.
	* java/lang/VMClassLoader.java (bootLoader): New field.
	(getResource): Use bootLoader.
	(getResources): Likewise.
	(initBootLoader): Declare.
	* gnu/gcj/runtime/BootClassLoader.java: New file.
	* external/sax/org/xml/sax/helpers/NamespaceSupport.java
	(EMPTY_ENUMERATION): Now package-private.
	* external/w3c_com/Makefile.in: Rebuilt.
	* external/w3c_com/Makefile.am (MULTIBUILDTOP): New variable.
	(w3c.jar): New target.
	(classes.stamp): Updated.
	(toolexeclib_LTLIBRARIES): Renamed from noinst_LTLIBRARIES.
	Changed name of library.
	(libw3c_gcj_la_SOURCES): New variable.
	(libw3c_gcj_la_GCJFLAGS): Likewise.
	(source_files): Renamed from lib3c_convenience_la_SOURCES.
	* external/sax/Makefile.in: Rebuilt.
	* external/sax/Makefile.am (MULTIBUILDTOP): New variable.
	(sax.jar): New target.
	(classes.stamp): Updated.
	(toolexeclib_LTLIBRARIES): Renamed from noinst_LTLIBRARIES.
	Changed name of library.
	(libsax_gcj_la_SOURCES): New variable.
	(libsax_gcj_la_GCJFLAGS): Likewise.
	(source_files): Renamed from libsax_convenience_la_SOURCES.
	* stacktrace.cc (non_system_trace_fn): Don't look at system class
	loader.
	* prims.cc (_Jv_CreateJavaVM): Initialize the bootstrap class
	loader.
	(_Jv_RunMain): Handle case where 'runtime' is NULL at exit.

From-SVN: r96960

From-SVN: r96891

2005-03-17  Andrew Haley  <aph@redhat.com>

	* java/lang/natVMSecurityManager.cc (getClassContext): Add new
	arg: klass.
	Pass klass to _Jv_StackTrace::GetClassContext().
	* java/lang/ClassLoader.java (getParent): Pass class to
	VMSecurityManager.getClassContext()
	(getSystemClassLoader): Likewise.
	* java/lang/Package.java (getPackage): Likewise.
	(getPackages): Likewise.
	* java/lang/SecurityManager.java (getClassContext): Likewise.
	(currentClassLoader): Likewise.
	* java/lang/VMSecurityManager.java: (getClassContext): Likewise.
	(currentClassLoader) Add new arg: caller.
	Pass caller to VMSecurityManager.getClassContext.

	* stacktrace.cc (GetClassContext): Correct calculation of
	jframe_count.

	* boehm.cc (_Jv_MarkObj): (_Jv_MarkObj): Mark
	im->source_file_name.

From-SVN: r96803

stacktrace.cc (_Jv_StackTrace::UnwindTraceFn): Protect interpreter-specific code with #ifdef INTERPRETER.

2005-03-15  Andreas Tobler  <a.tobler@schweiz.ch>

        * stacktrace.cc (_Jv_StackTrace::UnwindTraceFn): Protect
        interpreter-specific code with #ifdef INTERPRETER.
        (_Jv_StackTrace::getLineNumberForFrame): Likewise.
        (_Jv_StackTrace::FillInFrameInfo): Likewise.
        (_Jv_StackTrace::non_system_trace_fn): Likewise.
        * include/java-stack.h (struct _Jv_InterpFrameInfo): Protect  with
        #ifdef INTERPRETER. Also protect declarations that use it.
        * java/lang/Class.h: Move _Jv_StackTrace friend declaration  outside
        #ifdef INTERPRETER block.

From-SVN: r96571

2005-03-12  Andreas Tobler  <a.tobler@schweiz.ch>

	* stacktrace.cc (GetCallerInfo): Return nothing in case of
	SJLJ_EXCEPTIONS is defined.

From-SVN: r96340

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