pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.

	* gcc/config/pa/pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
	* libjava/configure.in (SIGNAL_HANDLER): Use pa-signal.h for hppa.
	* libjava/configure: Regenerate.
	* libjava/configure.host: Set can_unwind_signal for hppa*-linux.
	* libjava/pa-signal.h: New file.

From-SVN: r84344

5 files changed, 75 insertions, 0 deletions

diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index aded40b..8c6cb64 100644
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,10 @@
+2004-07-08  Randolph Chung  <tausq@debian.org>
+
+	* configure.in (SIGNAL_HANDLER): Use pa-signal.h for hppa.
+	* configure: Regenerate.
+	* configure.host: Set can_unwind_signal for hppa*-linux.
+	* include/pa-signal.h: New file.
+
 2004-07-07  Per Bothner  <per@bothner.com>
 
 	* Makefile.am:  Add rules to build libgij from just gij.cc.
diff --git a/libjava/configure b/libjava/configure
index 463bd0b..bf829c1 100755
--- a/libjava/configure
+++ b/libjava/configure
@@ -8525,6 +8525,9 @@ case "${host}" in
 #    SYSDEP_SOURCES=sysdep/ia64.c
 #    test -d sysdep || mkdir sysdep
 #    ;;
+ hppa*-*-linux*)
+    SIGNAL_HANDLER=include/pa-signal.h
+    ;;
  ia64-*-linux*)
     SIGNAL_HANDLER=include/dwarf2-signal.h
     ;;
diff --git a/libjava/configure.host b/libjava/configure.host
index 5971945..9473927 100644
--- a/libjava/configure.host
+++ b/libjava/configure.host
@@ -169,6 +169,7 @@ case "${host}" in
   sparc*-linux* | \
   ia64-* | \
   x86_64*-linux* | \
+  hppa*-linux* | \
   sh-linux* | sh[34]*-linux*)
   	can_unwind_signal=yes
 	if test x$slow_pthread_self = xyes \
diff --git a/libjava/configure.in b/libjava/configure.in
index 2eff8f9..142cffa 100644
--- a/libjava/configure.in
+++ b/libjava/configure.in
@@ -1177,6 +1177,9 @@ case "${host}" in
 #    SYSDEP_SOURCES=sysdep/ia64.c
 #    test -d sysdep || mkdir sysdep
 #    ;;
+ hppa*-*-linux*)
+    SIGNAL_HANDLER=include/pa-signal.h
+    ;;
  ia64-*-linux*)
     SIGNAL_HANDLER=include/dwarf2-signal.h
     ;;
diff --git a/libjava/include/pa-signal.h b/libjava/include/pa-signal.h
new file mode 100644
index 0000000..0f7c054
--- /dev/null
+++ b/libjava/include/pa-signal.h
@@ -0,0 +1,61 @@
+// pa-signal.h - Catch runtime signals and turn them into exceptions.
+
+/* Copyright (C) 1998, 1999, 2000  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 <ucontext.h>
+#include <sys/syscall.h>
+
+#define HANDLE_SEGV 1
+#define HANDLE_FPE 1
+
+#define SIGNAL_HANDLER(_name) 					\
+static void _Jv_##_name (int _dummy, siginfo_t *_info, void *arg)
+
+#define MAKE_THROW_FRAME(_exception)				\
+do								\
+{								\
+  struct ucontext *uc = (struct ucontext *)arg;			\
+  struct sigcontext *sc = &uc->uc_mcontext;			\
+  (void)_dummy;							\
+  (void)_info;							\
+  /* Advance the program counter so that it is after the start 	\
+     of the instruction:  the exception handler expects		\
+     the PC to point to the instruction after a call. */	\
+  sc->sc_iaoq[0] = sc->sc_iaoq[1];				\
+  sc->sc_iaoq[1] += 4;						\
+}								\
+while (0)
+
+#define INIT_SEGV						\
+do								\
+  {								\
+    struct sigaction act;					\
+    act.sa_sigaction = _Jv_catch_segv;      			\
+    sigemptyset (&act.sa_mask);					\
+    act.sa_flags = SA_SIGINFO;	       				\
+    syscall (SYS_rt_sigaction, SIGSEGV, &act, NULL, _NSIG / 8);	\
+  }								\
+while (0)  
+
+#define INIT_FPE						\
+do								\
+  { 								\
+    struct sigaction act;					\
+    act.sa_sigaction = _Jv_catch_fpe;				\
+    sigemptyset (&act.sa_mask);					\
+    act.sa_flags = SA_SIGINFO;		       			\
+    syscall (SYS_rt_sigaction, SIGFPE, &act, NULL, _NSIG / 8);	\
+  }								\
+while (0)  
+
+#endif /* JAVA_SIGNAL_H */