Hi again,

number three.

This one is also on my list to be committed to 5.1.

Results on the usual place.

Thanks,
Andreas

2015-06-22  Andreas Tobler  <andre...@gcc.gnu.org>

        Backport from mainline
        2015-05-28  Andreas Tobler  <andre...@gcc.gnu.org>

        * configure.host: Add bits for FreeBSD amd64 and i386.
        * configure.ac: Add signal handler for FreeBSD (amd64/i386)
        * configure: Regenerate.
        * include/freebsd-signal.h: New file.

        2015-05-26  Andreas Tobler  <andre...@gcc.gnu.org>

        * testsuite/libjava.jni/jni.exp (gcj_jni_get_cxxflags_invocation): Add
        libiconv for FreeBSD to cxxflags.


Index: configure
===================================================================
--- configure   (revision 224751)
+++ configure   (working copy)
@@ -24442,6 +24442,9 @@
  powerpc*-*-aix*)
     SIGNAL_HANDLER=include/aix-signal.h
     ;;
+ i?86-*-freebsd* | x86_64-*-freebsd*)
+    SIGNAL_HANDLER=include/freebsd-signal.h
+    ;;
  *)
     SIGNAL_HANDLER=include/default-signal.h
     ;;
Index: configure.ac
===================================================================
--- configure.ac        (revision 224751)
+++ configure.ac        (working copy)
@@ -1755,6 +1755,9 @@
  powerpc*-*-aix*)
     SIGNAL_HANDLER=include/aix-signal.h
     ;;
+ i?86-*-freebsd* | x86_64-*-freebsd*)
+    SIGNAL_HANDLER=include/freebsd-signal.h
+    ;;
  *)
     SIGNAL_HANDLER=include/default-signal.h
     ;;
Index: configure.host
===================================================================
--- configure.host      (revision 224751)
+++ configure.host      (working copy)
@@ -338,6 +338,8 @@
        ;;
   *-*-freebsd*)
        slow_pthread_self=
+       can_unwind_signal=yes
+       DIVIDESPEC=-fuse-divide-subroutine
        ;;
   *-mingw*)
         libgcj_flags="${libgcj_flags} -fno-omit-frame-pointer"
Index: include/freebsd-signal.h
===================================================================
--- include/freebsd-signal.h    (revision 0)
+++ include/freebsd-signal.h    (working copy)
@@ -0,0 +1,48 @@
+/* freebsd-signal.h - Catch runtime signals and turn them into exceptions,
+   on a FreeBSD system.  */
+
+/* Copyright (C) 2015 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.  */
+
+/* This file is really more of a specification.  The rest of the system
+   should be arranged so that this Just Works.  */
+
+#ifndef JAVA_SIGNAL_H
+# define JAVA_SIGNAL_H 1
+
+#include <sys/types.h>
+#include <sys/signal.h>
+
+# define HANDLE_SEGV 1
+# define HANDLE_FPE  1
+
+# define SIGNAL_HANDLER(_name)                                 \
+  static void _name (int _dummy __attribute__ ((unused)))
+
+# define MAKE_THROW_FRAME(_exception)
+
+# define INIT_SEGV                             \
+  do {                                         \
+    struct sigaction sa;                       \
+    sa.sa_handler = catch_segv;                \
+    sigemptyset (&sa.sa_mask);                 \
+    sa.sa_flags = SA_NODEFER;                  \
+    sigaction (SIGBUS, &sa, NULL);             \
+    sigaction (SIGSEGV, &sa, NULL);            \
+    } while (0)
+
+# define INIT_FPE                              \
+  do {                                         \
+    struct sigaction sa;                       \
+    sa.sa_handler = catch_fpe;                 \
+    sigemptyset (&sa.sa_mask);                 \
+    sa.sa_flags = SA_NODEFER;                  \
+    sigaction (SIGFPE, &sa, NULL);             \
+    } while (0)
+
+#endif /* JAVA_SIGNAL_H */
Index: testsuite/libjava.jni/jni.exp
===================================================================
--- testsuite/libjava.jni/jni.exp       (revision 224751)
+++ testsuite/libjava.jni/jni.exp       (working copy)
@@ -274,6 +274,11 @@
     eval lappend cxxflags "-shared-libgcc -lgcj $libiconv"
   }
 
+  # FreeBSD needs -liconv linked, otherwise we get some unresolved.
+  if { [istarget "*-*-freebsd*"] } {
+    eval lappend cxxflags "$libiconv"
+  }
+
   # Make sure libgcc unwinder is used on 64-bit Solaris 10+/x86 rather than
   # the libc one.
   if { [istarget "*-*-solaris*"] } {

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