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.

Index: libjava/testsuite/Makefile.in
===================================================================
--- libjava/testsuite/Makefile.in.orig
+++ libjava/testsuite/Makefile.in
@@ -160,6 +160,7 @@ LIBLTDL = @LIBLTDL@
 LIBMAGIC = @LIBMAGIC@
 LIBOBJS = @LIBOBJS@
 LIBS = @LIBS@
+LIBSTDCXXSPEC = @LIBSTDCXXSPEC@
 LIBTOOL = @LIBTOOL@
 LN_S = @LN_S@
 LTLIBICONV = @LTLIBICONV@
@@ -264,6 +265,7 @@ build_vendor = @build_vendor@
 datadir = @datadir@
 dbexecdir = @dbexecdir@
 exec_prefix = @exec_prefix@
+extra_ldflags = @extra_ldflags@
 extra_ldflags_libjava = @extra_ldflags_libjava@
 gxx_include_dir = @gxx_include_dir@
 here = @here@
Index: libjava/testsuite/libjava.jni/jni.exp
===================================================================
--- libjava/testsuite/libjava.jni/jni.exp.orig
+++ libjava/testsuite/libjava.jni/jni.exp
@@ -29,6 +29,10 @@ proc gcj_jni_compile_c_to_so {file {opti
   set name [file rootname $filename]
   set soname lib${name}.${so_extension}
 
+  if { [istarget "*arm-*eabi*"] } {
+      lappend options "additional_flags=-fexceptions"
+  }
+
   lappend options "additional_flags=${so_flag} -fPIC"
   # Find the generated header.
   lappend options "additional_flags=-I. -I.. -I$srcdir/$subdir"
Index: libjava/testsuite/lib/libjava.exp
===================================================================
--- libjava/testsuite/lib/libjava.exp.orig
+++ libjava/testsuite/lib/libjava.exp
@@ -379,6 +379,7 @@ proc libjava_arguments {{mode compile}} 
     if {$mode == "link"} {
 	global wrapper_file wrap_compile_flags
 	lappend args "additional_flags=$wrap_compile_flags"
+	lappend args "additional_flags=-specs=libgcj-test.spec"
 	lappend args "libs=$wrapper_file"
 	lappend args "libs=$libjava"
 	lappend args debug
Index: libjava/configure
===================================================================
--- libjava/configure.orig
+++ libjava/configure
@@ -310,7 +310,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os build_subdir host_subdir target_subdir libgcj_basedir host host_cpu host_vendor host_os target target_cpu target_vendor target_os target_noncanonical LN_S mkinstalldirs JAVA_MAINTAINER_MODE_TRUE JAVA_MAINTAINER_MODE_FALSE CC ac_ct_CC EXEEXT OBJEXT CXX ac_ct_CXX CFLAGS CXXFLAGS LDFLAGS INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar DEPDIR am__include am__quote AMDEP_TRUE AMDEP_FALSE AMDEPBACKSLASH CCDEPMODE am__fastdepCC_TRUE am__fastdepCC_FALSE CXXDEPMODE am__fastdepCXX_TRUE am__fastdepCXX_FALSE AS ac_ct_AS LD ac_ct_LD AR ac_ct_AR RANLIB ac_ct_RANLIB JAR ZIP UNZIP MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT LIBGCJ_CFLAGS LIBGCJ_CXXFLAGS LIBGCJ_JAVAFLAGS LIBGCJ_LD_SYMBOLIC LIBGCJDEBUG TOOLKIT XLIB_AWT_TRUE XLIB_AWT_FALSE X_AWT_TRUE X_AWT_FALSE GCJ_FOR_ECJX GCJH host_exeext INCLTDL LIBLTDL DIRLTDL LIBTOOL CXXCPP CPPFLAGS GCJ GCJFLAGS GCJDEPMODE am__fastdepGCJ_TRUE am__fastdepGCJ_FALSE subdirs TESTSUBDIR_TRUE TESTSUBDIR_FALSE ECJ_BUILD_JAR ECJ_JAR BUILD_ECJ1_TRUE BUILD_ECJ1_FALSE INSTALL_ECJ_JAR_TRUE INSTALL_ECJ_JAR_FALSE JAVA_HOME_SET_TRUE JAVA_HOME_SET_FALSE JAVA_HOME INTERPRETER LIBFFI LIBFFIINCS PLATFORM CPP EGREP USING_WIN32_PLATFORM_TRUE USING_WIN32_PLATFORM_FALSE USING_POSIX_PLATFORM_TRUE USING_POSIX_PLATFORM_FALSE USING_DARWIN_CRT_TRUE USING_DARWIN_CRT_FALSE SYSTEMSPEC LIBGCJTESTSPEC ZLIBSPEC ZLIBTESTSPEC X_CFLAGS X_PRE_LIBS X_LIBS X_EXTRA_LIBS extra_ldflags_libjava GCLIBS GCINCS GCDEPS GCSPEC JC1GCSPEC GCTESTSPEC USING_BOEHMGC_TRUE USING_BOEHMGC_FALSE USING_NOGC_TRUE USING_NOGC_FALSE THREADLIBS THREADINCS THREADDEPS THREADSPEC THREADSTARTFILESPEC THREADLDFLAGS THREADCXXFLAGS USING_POSIX_THREADS_TRUE USING_POSIX_THREADS_FALSE USING_WIN32_THREADS_TRUE USING_WIN32_THREADS_FALSE USING_NO_THREADS_TRUE USING_NO_THREADS_FALSE USE_LIBGCJ_BC_TRUE USE_LIBGCJ_BC_FALSE LIBGCJ_SPEC HASH_SYNC_SPEC USING_GCC_TRUE USING_GCC_FALSE LIBICONV LTLIBICONV LIBMAGIC PKG_CONFIG GTK_CFLAGS GTK_LIBS GLIB_CFLAGS GLIB_LIBS LIBART_CFLAGS LIBART_LIBS CLASSPATH_SEPARATOR ac_ct_GCJ ZLIBS SYS_ZLIBS ZINCS DIVIDESPEC CHECKREFSPEC EXCEPTIONSPEC BACKTRACESPEC IEEESPEC NATIVE_TRUE NATIVE_FALSE ENABLE_SHARED_TRUE ENABLE_SHARED_FALSE NEEDS_DATA_START_TRUE NEEDS_DATA_START_FALSE GCC_UNWIND_INCLUDE toolexecdir toolexecmainlibdir toolexeclibdir dbexecdir GCJVERSION gxx_include_dir libstdcxx_incdir ALLOCA PERL SYSDEP_SOURCES ANONVERSCRIPT_TRUE ANONVERSCRIPT_FALSE LD_START_STATIC_SPEC LD_FINISH_STATIC_SPEC here LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os build_subdir host_subdir target_subdir libgcj_basedir host host_cpu host_vendor host_os target target_cpu target_vendor target_os target_noncanonical LN_S mkinstalldirs JAVA_MAINTAINER_MODE_TRUE JAVA_MAINTAINER_MODE_FALSE CC ac_ct_CC EXEEXT OBJEXT CXX ac_ct_CXX CFLAGS CXXFLAGS LDFLAGS INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar DEPDIR am__include am__quote AMDEP_TRUE AMDEP_FALSE AMDEPBACKSLASH CCDEPMODE am__fastdepCC_TRUE am__fastdepCC_FALSE CXXDEPMODE am__fastdepCXX_TRUE am__fastdepCXX_FALSE AS ac_ct_AS LD ac_ct_LD AR ac_ct_AR RANLIB ac_ct_RANLIB JAR ZIP UNZIP MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT LIBGCJ_CFLAGS LIBGCJ_CXXFLAGS LIBGCJ_JAVAFLAGS LIBGCJ_LD_SYMBOLIC LIBGCJDEBUG TOOLKIT XLIB_AWT_TRUE XLIB_AWT_FALSE X_AWT_TRUE X_AWT_FALSE GCJ_FOR_ECJX GCJH host_exeext INCLTDL LIBLTDL DIRLTDL LIBTOOL CXXCPP CPPFLAGS GCJ GCJFLAGS GCJDEPMODE am__fastdepGCJ_TRUE am__fastdepGCJ_FALSE subdirs TESTSUBDIR_TRUE TESTSUBDIR_FALSE ECJ_BUILD_JAR ECJ_JAR BUILD_ECJ1_TRUE BUILD_ECJ1_FALSE INSTALL_ECJ_JAR_TRUE INSTALL_ECJ_JAR_FALSE JAVA_HOME_SET_TRUE JAVA_HOME_SET_FALSE JAVA_HOME INTERPRETER LIBFFI LIBFFIINCS PLATFORM CPP EGREP USING_WIN32_PLATFORM_TRUE USING_WIN32_PLATFORM_FALSE USING_POSIX_PLATFORM_TRUE USING_POSIX_PLATFORM_FALSE USING_DARWIN_CRT_TRUE USING_DARWIN_CRT_FALSE SYSTEMSPEC ZLIBSPEC ZLIBTESTSPEC X_CFLAGS X_PRE_LIBS X_LIBS X_EXTRA_LIBS extra_ldflags_libjava extra_ldflags LIBSTDCXXSPEC LIBGCJTESTSPEC GCLIBS GCINCS GCDEPS GCSPEC JC1GCSPEC GCTESTSPEC USING_BOEHMGC_TRUE USING_BOEHMGC_FALSE USING_NOGC_TRUE USING_NOGC_FALSE THREADLIBS THREADINCS THREADDEPS THREADSPEC THREADSTARTFILESPEC THREADLDFLAGS THREADCXXFLAGS USING_POSIX_THREADS_TRUE USING_POSIX_THREADS_FALSE USING_WIN32_THREADS_TRUE USING_WIN32_THREADS_FALSE USING_NO_THREADS_TRUE USING_NO_THREADS_FALSE USE_LIBGCJ_BC_TRUE USE_LIBGCJ_BC_FALSE LIBGCJ_SPEC HASH_SYNC_SPEC USING_GCC_TRUE USING_GCC_FALSE LIBICONV LTLIBICONV LIBMAGIC PKG_CONFIG GTK_CFLAGS GTK_LIBS GLIB_CFLAGS GLIB_LIBS LIBART_CFLAGS LIBART_LIBS CLASSPATH_SEPARATOR ac_ct_GCJ ZLIBS SYS_ZLIBS ZINCS DIVIDESPEC CHECKREFSPEC EXCEPTIONSPEC BACKTRACESPEC IEEESPEC NATIVE_TRUE NATIVE_FALSE ENABLE_SHARED_TRUE ENABLE_SHARED_FALSE NEEDS_DATA_START_TRUE NEEDS_DATA_START_FALSE GCC_UNWIND_INCLUDE toolexecdir toolexecmainlibdir toolexeclibdir dbexecdir GCJVERSION gxx_include_dir libstdcxx_incdir ALLOCA PERL SYSDEP_SOURCES ANONVERSCRIPT_TRUE ANONVERSCRIPT_FALSE LD_START_STATIC_SPEC LD_FINISH_STATIC_SPEC here LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -7643,9 +7643,6 @@ case "${host}" in
 esac
 
 
-LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"
-
-
 
 # Check whether --with-system-zlib or --without-system-zlib was given.
 if test "${with_system_zlib+set}" = set; then
@@ -9129,6 +9126,9 @@ fi
 # FIXME: this should be _libs on some hosts.
 libsubdir=.libs
 
+LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"
+
+LIBSTDCXXSPEC=
 # extra LD Flags which are required for targets
 case "${host}" in
 *-*-darwin[0-7].*)
@@ -9137,9 +9137,21 @@ case "${host}" in
     # on Darwin -single_module speeds up loading of the dynamic libraries.
     extra_ldflags_libjava=-Wl,-single_module
     ;;
+arm*linux*eabi)
+    # Some of the ARM unwinder code is actually in libstdc++.  We
+    # could in principle replicate it in libgcj, but it's better to
+    # have a dependency on libstdc++.
+    extra_ldflags='-L$(here)/../libstdc++-v3/src/.libs -lstdc++'
+    LIBSTDCXXSPEC=-lstdc++
+    LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -L`${PWDCMD-pwd}`/../libstdc++-v3/src/.libs -rpath `${PWDCMD-pwd}`/.libs:`${PWDCMD-pwd}`/../libstdc++-v3/src/.libs -lstdc++"
+    ;;
 esac
 
 
+
+
+
+
 # Allow the GC to be disabled.  Can be useful when debugging.
 echo "$as_me:$LINENO: checking for garbage collector to use" >&5
 echo $ECHO_N "checking for garbage collector to use... $ECHO_C" >&6
@@ -18032,7 +18044,6 @@ s,@USING_POSIX_PLATFORM_FALSE@,$USING_PO
 s,@USING_DARWIN_CRT_TRUE@,$USING_DARWIN_CRT_TRUE,;t t
 s,@USING_DARWIN_CRT_FALSE@,$USING_DARWIN_CRT_FALSE,;t t
 s,@SYSTEMSPEC@,$SYSTEMSPEC,;t t
-s,@LIBGCJTESTSPEC@,$LIBGCJTESTSPEC,;t t
 s,@ZLIBSPEC@,$ZLIBSPEC,;t t
 s,@ZLIBTESTSPEC@,$ZLIBTESTSPEC,;t t
 s,@X_CFLAGS@,$X_CFLAGS,;t t
@@ -18040,6 +18051,9 @@ s,@X_PRE_LIBS@,$X_PRE_LIBS,;t t
 s,@X_LIBS@,$X_LIBS,;t t
 s,@X_EXTRA_LIBS@,$X_EXTRA_LIBS,;t t
 s,@extra_ldflags_libjava@,$extra_ldflags_libjava,;t t
+s,@extra_ldflags@,$extra_ldflags,;t t
+s,@LIBSTDCXXSPEC@,$LIBSTDCXXSPEC,;t t
+s,@LIBGCJTESTSPEC@,$LIBGCJTESTSPEC,;t t
 s,@GCLIBS@,$GCLIBS,;t t
 s,@GCINCS@,$GCINCS,;t t
 s,@GCDEPS@,$GCDEPS,;t t
Index: libjava/Makefile.in
===================================================================
--- libjava/Makefile.in.orig
+++ libjava/Makefile.in
@@ -626,6 +626,7 @@ LIBLTDL = @LIBLTDL@
 LIBMAGIC = @LIBMAGIC@
 LIBOBJS = @LIBOBJS@
 LIBS = @LIBS@
+LIBSTDCXXSPEC = @LIBSTDCXXSPEC@
 LIBTOOL = @LIBTOOL@
 LN_S = @LN_S@
 LTLIBICONV = @LTLIBICONV@
@@ -730,6 +731,7 @@ build_vendor = @build_vendor@
 datadir = @datadir@
 dbexecdir = @dbexecdir@
 exec_prefix = @exec_prefix@
+extra_ldflags = @extra_ldflags@
 extra_ldflags_libjava = @extra_ldflags_libjava@ $(am__append_5)
 gxx_include_dir = @gxx_include_dir@
 here = @here@
@@ -811,7 +813,7 @@ GCJLINK = $(LIBTOOL) --tag=GCJ --mode=li
 
 GCJ_FOR_ECJX_LINK = $(GCJ_FOR_ECJX) -o $@
 LIBLINK = $(LIBTOOL) --tag=CXX --mode=link $(CXX) -L$(here) $(JC1FLAGS) \
-          $(LDFLAGS) $(extra_ldflags_libjava) -o $@
+          $(LDFLAGS) $(extra_ldflags_libjava) $(extra_ldflags) -o $@
 
 WARNINGS = -Wextra -Wall
 AM_CXXFLAGS = \
@@ -871,7 +873,7 @@ xlib_nat_files = $(xlib_nat_source_files
 
 # Include THREADLIBS here to ensure that the correct version of
 # certain linuxthread functions get linked:
-libgcj_la_LDFLAGS = -rpath $(toolexeclibdir) $(THREADLDFLAGS) $(THREADLIBS) \
+libgcj_la_LDFLAGS = -rpath $(toolexeclibdir) $(THREADLDFLAGS) $(extra_ldflags) $(THREADLIBS) \
 	$(LIBLTDL) $(SYS_ZLIBS) \
 	-version-info `grep -v '^\#' $(srcdir)/libtool-version`
 
@@ -7784,7 +7786,7 @@ NM = nm
 
 jv_convert_SOURCES = 
 jv_convert_LDFLAGS = --main=gnu.gcj.convert.Convert \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 
 jv_convert_LINK = $(GCJLINK)
 jv_convert_LDADD = -L$(here)/.libs libgcj.la
@@ -7800,7 +7802,7 @@ gcj_dbtool_LDADD = gnu/gcj/tools/gcj_dbt
 gcj_dbtool_DEPENDENCIES = gnu/gcj/tools/gcj_dbtool.lo libgcj.la libgcj.spec
 gij_SOURCES = 
 gij_LDFLAGS = -rpath $(libdir)/gcj-$(gcc_version) -rpath $(toolexeclibdir) \
-	-shared-libgcc $(THREADLDFLAGS)
+	-shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 
 gij_LINK = $(GCJLINK)
 gij_LDADD = -L$(here)/.libs libgij.la
@@ -7820,91 +7822,91 @@ ECJX_BASE_FLAGS = -findirect-dispatch \
 @NATIVE_TRUE@ecjx_DEPENDENCIES = libgcj.la libgcj.spec
 gappletviewer_SOURCES = 
 gappletviewer_LDFLAGS = --main=gnu.classpath.tools.appletviewer.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 
 gappletviewer_LINK = $(GCJLINK)
 gappletviewer_LDADD = -L$(here)/.libs libgcj-tools.la
 gappletviewer_DEPENDENCIES = libgcj-tools.la
 gjarsigner_SOURCES = 
 gjarsigner_LDFLAGS = --main=gnu.classpath.tools.jarsigner.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 
 gjarsigner_LINK = $(GCJLINK)
 gjarsigner_LDADD = -L$(here)/.libs libgcj-tools.la
 gjarsigner_DEPENDENCIES = libgcj-tools.la
 gkeytool_SOURCES = 
 gkeytool_LDFLAGS = --main=gnu.classpath.tools.keytool.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 
 gkeytool_LINK = $(GCJLINK)
 gkeytool_LDADD = -L$(here)/.libs libgcj-tools.la
 gkeytool_DEPENDENCIES = libgcj-tools.la
 gjar_SOURCES = 
 gjar_LDFLAGS = --main=gnu.classpath.tools.jar.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 
 gjar_LINK = $(GCJLINK)
 gjar_LDADD = -L$(here)/.libs libgcj-tools.la
 gjar_DEPENDENCIES = libgcj-tools.la
 gjavah_SOURCES = 
 gjavah_LDFLAGS = --main=gnu.classpath.tools.javah.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 
 gjavah_LINK = $(GCJLINK)
 gjavah_LDADD = -L$(here)/.libs libgcj-tools.la
 gjavah_DEPENDENCIES = libgcj-tools.la
 gcjh_SOURCES = 
 gcjh_LDFLAGS = --main=gnu.classpath.tools.javah.GcjhMain \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 
 gcjh_LINK = $(GCJLINK)
 gcjh_LDADD = -L$(here)/.libs libgcj-tools.la
 gcjh_DEPENDENCIES = libgcj-tools.la
 gnative2ascii_SOURCES = 
 gnative2ascii_LDFLAGS = --main=gnu.classpath.tools.native2ascii.Native2ASCII \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 
 gnative2ascii_LINK = $(GCJLINK)
 gnative2ascii_LDADD = -L$(here)/.libs libgcj-tools.la
 gnative2ascii_DEPENDENCIES = libgcj-tools.la
 gorbd_SOURCES = 
 gorbd_LDFLAGS = --main=gnu.classpath.tools.orbd.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 
 gorbd_LINK = $(GCJLINK)
 gorbd_LDADD = -L$(here)/.libs libgcj-tools.la
 gorbd_DEPENDENCIES = libgcj-tools.la
 grmid_SOURCES = 
 grmid_LDFLAGS = --main=gnu.classpath.tools.rmid.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 
 grmid_LINK = $(GCJLINK)
 grmid_LDADD = -L$(here)/.libs libgcj-tools.la
 grmid_DEPENDENCIES = libgcj-tools.la
 gserialver_SOURCES = 
 gserialver_LDFLAGS = --main=gnu.classpath.tools.serialver.SerialVer \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 
 gserialver_LINK = $(GCJLINK)
 gserialver_LDADD = -L$(here)/.libs libgcj-tools.la
 gserialver_DEPENDENCIES = libgcj-tools.la
 gtnameserv_SOURCES = 
 gtnameserv_LDFLAGS = --main=gnu.classpath.tools.tnameserv.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 
 gtnameserv_LINK = $(GCJLINK)
 gtnameserv_LDADD = -L$(here)/.libs libgcj-tools.la
 gtnameserv_DEPENDENCIES = libgcj-tools.la
 grmic_SOURCES = 
 grmic_LDFLAGS = --main=gnu.classpath.tools.rmic.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 
 grmic_LINK = $(GCJLINK)
 grmic_LDADD = -L$(here)/.libs libgcj-tools.la
 grmic_DEPENDENCIES = libgcj-tools.la
 grmiregistry_SOURCES = 
 grmiregistry_LDFLAGS = --main=gnu.classpath.tools.rmiregistry.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 
 grmiregistry_LINK = $(GCJLINK)
 grmiregistry_LDADD = -L$(here)/.libs libgcj-tools.la
Index: libjava/gcj/Makefile.in
===================================================================
--- libjava/gcj/Makefile.in.orig
+++ libjava/gcj/Makefile.in
@@ -172,6 +172,7 @@ LIBLTDL = @LIBLTDL@
 LIBMAGIC = @LIBMAGIC@
 LIBOBJS = @LIBOBJS@
 LIBS = @LIBS@
+LIBSTDCXXSPEC = @LIBSTDCXXSPEC@
 LIBTOOL = @LIBTOOL@
 LN_S = @LN_S@
 LTLIBICONV = @LTLIBICONV@
@@ -276,6 +277,7 @@ build_vendor = @build_vendor@
 datadir = @datadir@
 dbexecdir = @dbexecdir@
 exec_prefix = @exec_prefix@
+extra_ldflags = @extra_ldflags@
 extra_ldflags_libjava = @extra_ldflags_libjava@
 gxx_include_dir = @gxx_include_dir@
 here = @here@
Index: libjava/include/Makefile.in
===================================================================
--- libjava/include/Makefile.in.orig
+++ libjava/include/Makefile.in
@@ -171,6 +171,7 @@ LIBLTDL = @LIBLTDL@
 LIBMAGIC = @LIBMAGIC@
 LIBOBJS = @LIBOBJS@
 LIBS = @LIBS@
+LIBSTDCXXSPEC = @LIBSTDCXXSPEC@
 LIBTOOL = @LIBTOOL@
 LN_S = @LN_S@
 LTLIBICONV = @LTLIBICONV@
@@ -275,6 +276,7 @@ build_vendor = @build_vendor@
 datadir = @datadir@
 dbexecdir = @dbexecdir@
 exec_prefix = @exec_prefix@
+extra_ldflags = @extra_ldflags@
 extra_ldflags_libjava = @extra_ldflags_libjava@
 gxx_include_dir = @gxx_include_dir@
 here = @here@
Index: libjava/configure.ac
===================================================================
--- libjava/configure.ac.orig
+++ libjava/configure.ac
@@ -781,9 +781,6 @@ case "${host}" in
 esac
 AC_SUBST(SYSTEMSPEC)
 
-LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"
-AC_SUBST(LIBGCJTESTSPEC)
-
 AC_ARG_WITH(system-zlib,
   AS_HELP_STRING([--with-system-zlib],
                  [use installed libz]))
@@ -797,6 +794,9 @@ AC_PATH_XTRA
 # FIXME: this should be _libs on some hosts.
 libsubdir=.libs
 
+LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -rpath `${PWDCMD-pwd}`/.libs"
+
+LIBSTDCXXSPEC=
 # extra LD Flags which are required for targets
 case "${host}" in
 *-*-darwin[[0-7]].*)
@@ -805,8 +805,20 @@ case "${host}" in
     # on Darwin -single_module speeds up loading of the dynamic libraries.
     extra_ldflags_libjava=-Wl,-single_module
     ;;
+arm*linux*eabi)
+    # Some of the ARM unwinder code is actually in libstdc++.  We
+    # could in principle replicate it in libgcj, but it's better to
+    # have a dependency on libstdc++.
+    extra_ldflags='-L$(here)/../libstdc++-v3/src/.libs -lstdc++'
+    LIBSTDCXXSPEC=-lstdc++
+    LIBGCJTESTSPEC="-L`${PWDCMD-pwd}`/.libs -L`${PWDCMD-pwd}`/../libstdc++-v3/src/.libs -rpath `${PWDCMD-pwd}`/.libs:`${PWDCMD-pwd}`/../libstdc++-v3/src/.libs -lstdc++"
+    ;;
 esac
 AC_SUBST(extra_ldflags_libjava)
+AC_SUBST(extra_ldflags)
+AC_SUBST(LIBSTDCXXSPEC)
+
+AC_SUBST(LIBGCJTESTSPEC)
 
 # Allow the GC to be disabled.  Can be useful when debugging.
 AC_MSG_CHECKING([for garbage collector to use])
Index: libjava/libgcj.spec.in
===================================================================
--- libjava/libgcj.spec.in.orig
+++ libjava/libgcj.spec.in
@@ -7,6 +7,6 @@
 *startfile: @THREADSTARTFILESPEC@ %(startfileorig)
 
 %rename lib liborig
-*lib: @LD_START_STATIC_SPEC@ @LIBGCJ_SPEC@ @LD_FINISH_STATIC_SPEC@ -lm @LIBICONV@ @GCSPEC@ @THREADSPEC@ @ZLIBSPEC@ @SYSTEMSPEC@ %(libgcc) %(liborig)
+*lib: @LD_START_STATIC_SPEC@ @LIBGCJ_SPEC@ @LD_FINISH_STATIC_SPEC@ -lm @LIBICONV@ @GCSPEC@ @THREADSPEC@ @ZLIBSPEC@ @SYSTEMSPEC@ %(libgcc) @LIBSTDCXXSPEC@ %(liborig)
 
 *jc1: @HASH_SYNC_SPEC@ @DIVIDESPEC@ @CHECKREFSPEC@ @JC1GCSPEC@ @EXCEPTIONSPEC@ @BACKTRACESPEC@ @IEEESPEC@ -fkeep-inline-functions
Index: libjava/stacktrace.cc
===================================================================
--- libjava/stacktrace.cc.orig
+++ libjava/stacktrace.cc
@@ -39,6 +39,10 @@ using namespace java::lang::reflect;
 using namespace java::util;
 using namespace gnu::gcj::runtime;
 
+#ifdef __ARM_EABI_UNWINDER__
+#define _URC_NORMAL_STOP _URC_FAILURE
+#endif
+
 // Maps ncode values to their containing native class.
 // NOTE: Currently this Map contradicts class GC for native classes. This map
 // (and the "new class stack") will need to use WeakReferences in order to 
Index: libjava/configure.host
===================================================================
--- libjava/configure.host.orig
+++ libjava/configure.host
@@ -85,6 +85,7 @@ case "${host}" in
   arm*-linux*)
 	libgcj_interpreter=yes
 	sysdeps_dir=arm
+	fallback_backtrace_h=sysdep/arm/backtrace.h
 	;;
   mips-tx39-*|mipstx39-unknown-*)
 	libgcj_flags="${libgcj_flags} -G 0"
@@ -259,6 +260,12 @@ EOF
 	sysdeps_dir=x86-64
 	DIVIDESPEC=-f%{m32:no-}%{!m32:%{!m64:no-}}%{m64:}use-divide-subroutine
 	;;
+  arm*-linux* )
+	slow_pthread_self=no
+	can_unwind_signal=no
+	CHECKREFSPEC=-fcheck-references
+	DIVIDESPEC=-fuse-divide-subroutine
+	;;
   mips*-*-linux* )
   	sysdeps_dir=mips
   	can_unwind_signal=yes
Index: libjava/Makefile.am
===================================================================
--- libjava/Makefile.am.orig
+++ libjava/Makefile.am
@@ -100,6 +100,7 @@ endif
 GCJ_WITH_FLAGS = $(GCJ) --encoding=UTF-8 -Wno-deprecated
 
 extra_ldflags_libjava = @extra_ldflags_libjava@
+extra_ldflags = @extra_ldflags@
 
 if ANONVERSCRIPT
 extra_ldflags_libjava += -Wl,--version-script=$(srcdir)/libgcj.ver
@@ -110,7 +111,7 @@ GCJLINK = $(LIBTOOL) --tag=GCJ --mode=li
 GCJ_FOR_ECJX = @GCJ_FOR_ECJX@
 GCJ_FOR_ECJX_LINK = $(GCJ_FOR_ECJX) -o $@
 LIBLINK = $(LIBTOOL) --tag=CXX --mode=link $(CXX) -L$(here) $(JC1FLAGS) \
-          $(LDFLAGS) $(extra_ldflags_libjava) -o $@
+          $(LDFLAGS) $(extra_ldflags_libjava) $(extra_ldflags) -o $@
 
 GCC_UNWIND_INCLUDE = @GCC_UNWIND_INCLUDE@
 
@@ -232,7 +233,7 @@ xlib_nat_files = $(xlib_nat_source_files
 # Include THREADLIBS here to ensure that the correct version of
 # certain linuxthread functions get linked:
 ## The mysterious backslash in the grep pattern is consumed by make.
-libgcj_la_LDFLAGS = -rpath $(toolexeclibdir) $(THREADLDFLAGS) $(THREADLIBS) \
+libgcj_la_LDFLAGS = -rpath $(toolexeclibdir) $(THREADLDFLAGS) $(extra_ldflags) $(THREADLIBS) \
 	$(LIBLTDL) $(SYS_ZLIBS) \
 	-version-info `grep -v '^\#' $(srcdir)/libtool-version`
 libgcj_la_LIBADD = \
@@ -616,7 +617,7 @@ jv_convert_SOURCES =
 ## need this because we are explicitly using libtool to link using the
 ## `.la' file.
 jv_convert_LDFLAGS = --main=gnu.gcj.convert.Convert \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 jv_convert_LINK = $(GCJLINK)
 ## We don't explicitly link in the libraries we need; libgcj.la brings
 ## in all dependencies.  We need the -L so that gcj can find libgcj
@@ -637,7 +638,7 @@ gnu/gcj/tools/gcj_dbtool/natMain.cc
 ## need this because we are explicitly using libtool to link using the
 ## `.la' file.
 gcj_dbtool_LDFLAGS = --main=gnu.gcj.tools.gcj_dbtool.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 gcj_dbtool_LINK = $(GCJLINK)
 ## We don't explicitly link in the libraries we need; libgcj.la brings
 ## in all dependencies.  We need the -L so that gcj can find libgcj
@@ -656,7 +657,7 @@ gij_SOURCES = 
 ## need this because we are explicitly using libtool to link using the
 ## `.la' file.
 gij_LDFLAGS = -rpath $(libdir)/gcj-$(gcc_version) -rpath $(toolexeclibdir) \
-	-shared-libgcc $(THREADLDFLAGS)
+	-shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 gij_LINK = $(GCJLINK)
 ## See jv_convert_LDADD.
 gij_LDADD = -L$(here)/.libs libgij.la
@@ -700,7 +701,7 @@ endif !NATIVE
 ## This is a dummy definition.
 gappletviewer_SOURCES =
 gappletviewer_LDFLAGS = --main=gnu.classpath.tools.appletviewer.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 gappletviewer_LINK = $(GCJLINK)
 ## See jv_convert_LDADD.
 gappletviewer_LDADD = -L$(here)/.libs libgcj-tools.la
@@ -709,7 +710,7 @@ gappletviewer_DEPENDENCIES = libgcj-tool
 ## This is a dummy definition.
 gjarsigner_SOURCES =
 gjarsigner_LDFLAGS = --main=gnu.classpath.tools.jarsigner.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 gjarsigner_LINK = $(GCJLINK)
 ## See jv_convert_LDADD.
 gjarsigner_LDADD = -L$(here)/.libs libgcj-tools.la
@@ -718,7 +719,7 @@ gjarsigner_DEPENDENCIES = libgcj-tools.l
 ## This is a dummy definition.
 gkeytool_SOURCES =
 gkeytool_LDFLAGS = --main=gnu.classpath.tools.keytool.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 gkeytool_LINK = $(GCJLINK)
 ## See jv_convert_LDADD.
 gkeytool_LDADD = -L$(here)/.libs libgcj-tools.la
@@ -727,7 +728,7 @@ gkeytool_DEPENDENCIES = libgcj-tools.la
 ## This is a dummy definition.
 gjar_SOURCES =
 gjar_LDFLAGS = --main=gnu.classpath.tools.jar.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 gjar_LINK = $(GCJLINK)
 ## See jv_convert_LDADD.
 gjar_LDADD = -L$(here)/.libs libgcj-tools.la
@@ -736,7 +737,7 @@ gjar_DEPENDENCIES = libgcj-tools.la
 ## This is a dummy definition.
 gjavah_SOURCES =
 gjavah_LDFLAGS = --main=gnu.classpath.tools.javah.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 gjavah_LINK = $(GCJLINK)
 ## See jv_convert_LDADD.
 gjavah_LDADD = -L$(here)/.libs libgcj-tools.la
@@ -745,7 +746,7 @@ gjavah_DEPENDENCIES = libgcj-tools.la
 ## This is a dummy definition.
 gcjh_SOURCES =
 gcjh_LDFLAGS = --main=gnu.classpath.tools.javah.GcjhMain \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 gcjh_LINK = $(GCJLINK)
 ## See jv_convert_LDADD.
 gcjh_LDADD = -L$(here)/.libs libgcj-tools.la
@@ -754,7 +755,7 @@ gcjh_DEPENDENCIES = libgcj-tools.la
 ## This is a dummy definition.
 gnative2ascii_SOURCES =
 gnative2ascii_LDFLAGS = --main=gnu.classpath.tools.native2ascii.Native2ASCII \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 gnative2ascii_LINK = $(GCJLINK)
 ## See jv_convert_LDADD.
 gnative2ascii_LDADD = -L$(here)/.libs libgcj-tools.la
@@ -763,7 +764,7 @@ gnative2ascii_DEPENDENCIES = libgcj-tool
 ## This is a dummy definition.
 gorbd_SOURCES =
 gorbd_LDFLAGS = --main=gnu.classpath.tools.orbd.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 gorbd_LINK = $(GCJLINK)
 ## See jv_convert_LDADD.
 gorbd_LDADD = -L$(here)/.libs libgcj-tools.la
@@ -772,7 +773,7 @@ gorbd_DEPENDENCIES = libgcj-tools.la
 ## This is a dummy definition.
 grmid_SOURCES =
 grmid_LDFLAGS = --main=gnu.classpath.tools.rmid.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 grmid_LINK = $(GCJLINK)
 ## See jv_convert_LDADD.
 grmid_LDADD = -L$(here)/.libs libgcj-tools.la
@@ -781,7 +782,7 @@ grmid_DEPENDENCIES = libgcj-tools.la
 ## This is a dummy definition.
 gserialver_SOURCES =
 gserialver_LDFLAGS = --main=gnu.classpath.tools.serialver.SerialVer \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 gserialver_LINK = $(GCJLINK)
 ## See jv_convert_LDADD.
 gserialver_LDADD = -L$(here)/.libs libgcj-tools.la
@@ -790,7 +791,7 @@ gserialver_DEPENDENCIES = libgcj-tools.l
 ## This is a dummy definition.
 gtnameserv_SOURCES =
 gtnameserv_LDFLAGS = --main=gnu.classpath.tools.tnameserv.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 gtnameserv_LINK = $(GCJLINK)
 ## See jv_convert_LDADD.
 gtnameserv_LDADD = -L$(here)/.libs libgcj-tools.la
@@ -799,7 +800,7 @@ gtnameserv_DEPENDENCIES = libgcj-tools.l
 ## This is a dummy definition.
 grmic_SOURCES =
 grmic_LDFLAGS = --main=gnu.classpath.tools.rmic.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 grmic_LINK = $(GCJLINK)
 ## See jv_convert_LDADD.
 grmic_LDADD = -L$(here)/.libs libgcj-tools.la
@@ -808,7 +809,7 @@ grmic_DEPENDENCIES = libgcj-tools.la
 ## This is a dummy definition.
 grmiregistry_SOURCES =
 grmiregistry_LDFLAGS = --main=gnu.classpath.tools.rmiregistry.Main \
-	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS)
+	-rpath $(toolexeclibdir) -shared-libgcc $(THREADLDFLAGS) $(extra_ldflags)
 grmiregistry_LINK = $(GCJLINK)
 ## See jv_convert_LDADD.
 grmiregistry_LDADD = -L$(here)/.libs libgcj-tools.la
Index: libjava/exception.cc
===================================================================
--- libjava/exception.cc.orig
+++ libjava/exception.cc
@@ -58,6 +58,21 @@ struct java_exception_header
   _Unwind_Exception unwindHeader;
 };
 
+#ifdef __ARM_EABI_UNWINDER__
+// This is the exception class we report -- "GNUCJAVA".
+
+const _Unwind_Exception_Class __gcj_exception_class
+  = {'G', 'N', 'U', 'C', 'J', 'A', 'V', 'A'};
+
+static inline java_exception_header *
+get_exception_header_from_ue (_Unwind_Exception *exc)
+{
+  return reinterpret_cast<java_exception_header *>(exc + 1) - 1;
+}
+
+extern "C" void __cxa_begin_cleanup (_Unwind_Exception*);
+
+#else // !__ARM_EABI_UNWINDER__
 // This is the exception class we report -- "GNUCJAVA".
 const _Unwind_Exception_Class __gcj_exception_class
 = ((((((((_Unwind_Exception_Class) 'G' 
@@ -75,6 +90,7 @@ get_exception_header_from_ue (_Unwind_Ex
 {
   return reinterpret_cast<java_exception_header *>(exc + 1) - 1;
 }
+#endif // !__ARM_EABI_UNWINDER__
 
 /* Perform a throw, Java style. Throw will unwind through this call,
    so there better not be any handlers or exception thrown here. */
@@ -89,7 +105,8 @@ _Jv_Throw (jthrowable value)
     value = new java::lang::NullPointerException ();
   xh->value = value;
 
-  xh->unwindHeader.exception_class = __gcj_exception_class;
+  memcpy (&xh->unwindHeader.exception_class, &__gcj_exception_class,
+	  sizeof xh->unwindHeader.exception_class);
   xh->unwindHeader.exception_cleanup = NULL;
 
   /* We're happy with setjmp/longjmp exceptions or region-based
@@ -159,6 +176,21 @@ parse_lsda_header (_Unwind_Context *cont
   return p;
 }
 
+#ifdef __ARM_EABI_UNWINDER__
+
+static void **
+get_ttype_entry(_Unwind_Context *, lsda_header_info* info, _uleb128_t i)
+{
+  _Unwind_Ptr ptr;
+
+  ptr = (_Unwind_Ptr) (info->TType - (i * 4));
+  ptr = _Unwind_decode_target2(ptr);
+  
+  return reinterpret_cast<void **>(ptr);
+}
+
+#else
+
 static void **
 get_ttype_entry (_Unwind_Context *context, lsda_header_info *info, long i)
 {
@@ -170,6 +202,7 @@ get_ttype_entry (_Unwind_Context *contex
   return reinterpret_cast<void **>(ptr);
 }
 
+#endif
 
 // Using a different personality function name causes link failures
 // when trying to mix code using different exception handling models.
@@ -180,12 +213,33 @@ get_ttype_entry (_Unwind_Context *contex
 #define PERSONALITY_FUNCTION	__gcj_personality_v0
 #endif
 
+#ifdef __ARM_EABI_UNWINDER__
+
+#define CONTINUE_UNWINDING \
+  do								\
+    {								\
+      if (__gnu_unwind_frame(ue_header, context) != _URC_OK)	\
+	return _URC_FAILURE;					\
+      return _URC_CONTINUE_UNWIND;				\
+    }								\
+  while (0)
+
+extern "C" _Unwind_Reason_Code
+PERSONALITY_FUNCTION (_Unwind_State state,
+		      struct _Unwind_Exception* ue_header,
+		      struct _Unwind_Context* context)
+#else
+
+#define CONTINUE_UNWINDING return _URC_CONTINUE_UNWIND
+
 extern "C" _Unwind_Reason_Code
 PERSONALITY_FUNCTION (int version,
 		      _Unwind_Action actions,
 		      _Unwind_Exception_Class exception_class,
 		      struct _Unwind_Exception *ue_header,
 		      struct _Unwind_Context *context)
+
+#endif
 {
   java_exception_header *xh = get_exception_header_from_ue (ue_header);
 
@@ -197,16 +251,56 @@ PERSONALITY_FUNCTION (int version,
   int handler_switch_value;
   bool saw_cleanup;
   bool saw_handler;
+  bool foreign_exception;
   int ip_before_insn = 0;
 
+#ifdef __ARM_EABI_UNWINDER__
+  _Unwind_Action actions;
+
+  switch (state & _US_ACTION_MASK)
+    {
+    case _US_VIRTUAL_UNWIND_FRAME:
+      actions = _UA_SEARCH_PHASE;
+      break;
+
+    case _US_UNWIND_FRAME_STARTING:
+      actions = _UA_CLEANUP_PHASE;
+      if (!(state & _US_FORCE_UNWIND)
+	  && ue_header->barrier_cache.sp == _Unwind_GetGR(context, 13))
+	actions |= _UA_HANDLER_FRAME;
+      break;
+
+    case _US_UNWIND_FRAME_RESUME:
+      CONTINUE_UNWINDING;
+      break;
+
+    default:
+      std::abort();
+    }
+  actions |= state & _US_FORCE_UNWIND;
+
+  // We don't know which runtime we're working with, so can't check this.
+  // However the ABI routines hide this from us, and we don't actually need
+  // to know.
+  foreign_exception = false;
+
+  // The dwarf unwinder assumes the context structure holds things like the
+  // function and LSDA pointers.  The ARM implementation caches these in
+  // the exception header (UCB).  To avoid rewriting everything we make the
+  // virtual IP register point at the UCB.
+  ip = (_Unwind_Ptr) ue_header;
+  _Unwind_SetGR(context, 12, ip);
 
+#else
   // Interface version check.
   if (version != 1)
     return _URC_FATAL_PHASE1_ERROR;
+  foreign_exception = exception_class != __gcj_exception_class;
+#endif
 
   // Shortcut for phase 2 found handler for domestic exception.
   if (actions == (_UA_CLEANUP_PHASE | _UA_HANDLER_FRAME)
-      && exception_class == __gcj_exception_class)
+      && !foreign_exception)
     {
       handler_switch_value = xh->handlerSwitchValue;
       landing_pad = xh->landingPad;
@@ -227,17 +321,17 @@ PERSONALITY_FUNCTION (int version,
 
   // If no LSDA, then there are no handlers or cleanups.
   if (! language_specific_data)
-    return _URC_CONTINUE_UNWIND;
+    CONTINUE_UNWINDING;
 
   // Parse the LSDA header.
   p = parse_lsda_header (context, language_specific_data, &info);
 #ifdef HAVE_GETIPINFO
   ip = _Unwind_GetIPInfo (context, &ip_before_insn);
-  if (! ip_before_insn)
-    --ip;
 #else
   ip = _Unwind_GetIP (context) - 1;
 #endif
+  if (! ip_before_insn)
+    --ip;
   landing_pad = 0;
   action_record = 0;
   handler_switch_value = 0;
@@ -296,7 +390,7 @@ PERSONALITY_FUNCTION (int version,
   // If ip is not present in the table, C++ would call terminate.
   // ??? It is perhaps better to tweek the LSDA so that no-action
   // is mapped to no-entry for Java.
-  return _URC_CONTINUE_UNWIND;
+  CONTINUE_UNWINDING;
 
  found_something:
   saw_cleanup = false;
@@ -334,7 +428,7 @@ PERSONALITY_FUNCTION (int version,
 	  // During forced unwinding, we only run cleanups.  With a
 	  // foreign exception class, we have no class info to match.
 	  else if ((actions & _UA_FORCE_UNWIND)
-	      || exception_class != __gcj_exception_class)
+		   || foreign_exception)
 	    ;
 
 	  else if (ar_filter > 0)
@@ -374,15 +468,15 @@ PERSONALITY_FUNCTION (int version,
     }
 
   if (! saw_handler && ! saw_cleanup)
-    return _URC_CONTINUE_UNWIND;
+	CONTINUE_UNWINDING;
 
   if (actions & _UA_SEARCH_PHASE)
     {
       if (! saw_handler)
-	return _URC_CONTINUE_UNWIND;
+	CONTINUE_UNWINDING;
 
       // For domestic exceptions, we cache data from phase 1 for phase 2.
-      if (exception_class == __gcj_exception_class)
+      if (! foreign_exception)
         {
           xh->handlerSwitchValue = handler_switch_value;
           xh->landingPad = landing_pad;
@@ -396,5 +490,9 @@ PERSONALITY_FUNCTION (int version,
   _Unwind_SetGR (context, __builtin_eh_return_data_regno (1),
 		 handler_switch_value);
   _Unwind_SetIP (context, landing_pad);
+#ifdef __ARM_EABI_UNWINDER__
+  if (saw_cleanup)
+    __cxa_begin_cleanup(ue_header);
+#endif
   return _URC_INSTALL_CONTEXT;
 }
Index: libjava/gnu/classpath/natVMStackWalker.cc
===================================================================
--- libjava/gnu/classpath/natVMStackWalker.cc.orig
+++ libjava/gnu/classpath/natVMStackWalker.cc
@@ -19,6 +19,7 @@ details.  */
 #include <java/lang/ClassLoader.h>
 #include <java/lang/Class.h>
 
+#ifndef __ARM_EABI_UNWINDER__
 // Return the class of the method that contains PC.
 // This is a macro not a function, since defining it as one would
 // introduce an extra frame on the stack.  */
@@ -44,6 +45,11 @@ details.  */
 									\
   klass;								\
  })
+#else // __ARM_EABI_UNWINDER__
+// ARM EABI doesn't support _Unwind_FindEnclosingFunction.
+#define GET_CALLING_CLASS(PC)				\
+  (_Jv_StackTrace::GetStackWalkerCallingClass ())
+#endif
 
 JArray<jclass> *
 gnu::classpath::VMStackWalker::getClassContext(void)
@@ -59,14 +65,18 @@ jclass
 gnu::classpath::VMStackWalker::getCallingClass(void)
 {
   _Jv_InitClass (&::gnu::classpath::VMStackWalker::class$);
-  return _Jv_StackTrace::GetStackWalkerCallingClass ();
+  jclass result = _Jv_StackTrace::GetStackWalkerCallingClass ();
+  __asm__ __volatile__ ("" : : "g" (result));
+  return result;
 }
 
 jclass
 gnu::classpath::VMStackWalker::getCallingClass(::gnu::gcj::RawData *pc)
 {
   _Jv_InitClass (&::gnu::classpath::VMStackWalker::class$);
-  return GET_CALLING_CLASS(pc);
+  jclass result = GET_CALLING_CLASS(pc);
+  __asm__ __volatile__ ("" : : "g" (result));
+  return result;
 }
 
 ::java::lang::ClassLoader *
Index: libjava/sysdep/arm/backtrace.h
===================================================================
--- /dev/null
+++ libjava/sysdep/arm/backtrace.h
@@ -0,0 +1,35 @@
+// backtrace.h - Fallback backtrace implementation. ARM implementation.
+
+/* Copyright (C) 2005, 2006  Free Software Foundation
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+
+#ifndef __SYSDEP_BACKTRACE_H__
+#define __SYSDEP_BACKTRACE_H__
+
+#include <java-stack.h>
+
+extern "C"
+{
+/* Unwind through the call stack calling TRACE_FN with STATE for every stack
+   frame.  Returns the reason why the unwinding was stopped.  */
+#ifdef __ARM_EABI_UNWINDER__
+
+#define _Unwind_FindEnclosingFunction(PC) \
+  (PC)
+
+_Unwind_Reason_Code
+fallback_backtrace (_Unwind_Reason_Code (*)(struct _Unwind_Context*, void*), _Jv_UnwindState *)
+#else
+_Unwind_Reason_Code
+fallback_backtrace (_Unwind_Trace_Fn, _Jv_UnwindState *)
+#endif
+{
+  return _URC_NO_REASON;
+}
+}
+#endif