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4 files changed, 167 insertions, 0 deletions

diff --git a/libjava/include/x86_64-signal.h b/libjava/include/x86_64-signal.h
new file mode 100644
index 00000000000..c368dd31e87
--- /dev/null
+++ b/libjava/include/x86_64-signal.h
@@ -0,0 +1,83 @@
+// x86_64-signal.h - Catch runtime signals and turn them into exceptions
+// on an x86_64 based GNU/Linux system.
+
+/* Copyright (C) 2003  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 JAVA_SIGNAL_H
+#define JAVA_SIGNAL_H 1
+
+#include <signal.h>
+#include <sys/syscall.h>
+
+#define HANDLE_SEGV 1
+
+#define SIGNAL_HANDLER(_name)	\
+static void _Jv_##_name (int, siginfo_t *_sip, void *_p)
+
+extern "C" 
+{
+  struct kernel_sigaction 
+  {
+    void (*k_sa_sigaction)(int,siginfo_t *,void *);
+    unsigned long k_sa_flags;
+    void (*k_sa_restorer) (void);
+    sigset_t k_sa_mask;
+  };
+}
+
+#define MAKE_THROW_FRAME(_exception)					\
+do									\
+{									\
+  /* Advance the program counter so that it is after the start of the	\
+     instruction:  the x86_64 exception handler expects			\
+     the PC to point to the instruction after a call. */		\
+  struct ucontext *_uc = (struct ucontext *)_p;				\
+  struct sigcontext *_sc = (struct sigcontext *) &_uc->uc_mcontext;	\
+  _sc->rip += 2;							\
+}									\
+while (0)
+
+#define RESTORE(name, syscall) RESTORE2 (name, syscall)
+#define RESTORE2(name, syscall)			\
+asm						\
+  (						\
+   ".byte 0  # Yes, this really is necessary\n" \
+   ".align 16\n"				\
+   "__" #name ":\n"				\
+   "	movq $" #syscall ", %rax\n"		\
+   "	syscall\n"				\
+   );
+
+/* The return code for realtime-signals.  */
+RESTORE (restore_rt, __NR_rt_sigreturn)
+static void restore_rt (void) asm ("__restore_rt");
+
+#define INIT_SEGV						\
+do								\
+  {								\
+    nullp = new java::lang::NullPointerException ();		\
+    struct kernel_sigaction act;				\
+    act.k_sa_sigaction = _Jv_catch_segv;			\
+    sigemptyset (&act.k_sa_mask);				\
+    act.k_sa_flags = SA_SIGINFO|0x4000000;			\
+    act.k_sa_restorer = restore_rt;				\
+    syscall (SYS_rt_sigaction, SIGSEGV, &act, NULL, _NSIG / 8);	\
+  }								\
+while (0)  
+
+/* We use syscall(SYS_rt_sigaction) in INIT_SEGV instead of
+ * sigaction() because on some systems the pthreads wrappers for
+ * signal handlers are not compiled with unwind information, so it's
+ * not possible to unwind through them.  This is a problem that will
+ * go away if all systems ever have pthreads libraries that are
+ * compiled with unwind info.  */
+
+#endif /* JAVA_SIGNAL_H */
+  
diff --git a/libjava/java/rmi/server/RMIClassLoaderSpi.java b/libjava/java/rmi/server/RMIClassLoaderSpi.java
new file mode 100644
index 00000000000..2dbb3849c27
--- /dev/null
+++ b/libjava/java/rmi/server/RMIClassLoaderSpi.java
@@ -0,0 +1,64 @@
+/* RMIClassLoaderSpi.java
+  Copyright (c) 2002 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package java.rmi.server;
+
+import java.net.MalformedURLException;
+
+/**
+ * @author Michael Koch
+ * @since 1.4
+ */
+public abstract class RMIClassLoaderSpi
+{
+  public RMIClassLoaderSpi()
+  {
+  }
+
+  public abstract Class loadClass (String codeBase, String name,
+                                   ClassLoader defaultLoader)
+    throws MalformedURLException, ClassNotFoundException;
+
+  public abstract Class loadProxyClass (String codeBase, String[] interfaces,
+                                        ClassLoader defaultLoader)
+    throws MalformedURLException, ClassNotFoundException;
+
+  public abstract ClassLoader getClassLoader (String codebase)
+    throws MalformedURLException;
+
+  public abstract String getClassAnnotation (Class cl);
+}
diff --git a/libjava/testsuite/libjava.compile/pr8712.java b/libjava/testsuite/libjava.compile/pr8712.java
new file mode 100644
index 00000000000..7a6eb754d90
--- /dev/null
+++ b/libjava/testsuite/libjava.compile/pr8712.java
@@ -0,0 +1,7 @@
+public class pr8712
+{
+  boolean x(pr8712 a)
+  {
+    return (!(a instanceof pr8712));
+  }
+}
diff --git a/libjava/testsuite/libjava.compile/pr8955.java b/libjava/testsuite/libjava.compile/pr8955.java
new file mode 100644
index 00000000000..ae78f503f9c
--- /dev/null
+++ b/libjava/testsuite/libjava.compile/pr8955.java
@@ -0,0 +1,13 @@
+public class pr8955
+{
+  static final int val = Integer.MIN_VALUE;
+  void foo()
+  {
+    switch(1) {
+    case val:
+      break;
+    case 1:
+      break;
+    }
+  }
+}