2003-11-14 Jeff Johnston <jjohnstn@redhat.com>

        * libunwind-frame.c: New file.
        * libunwind-frame.h: New file.
        * acconfig.h (HAVE_LIBUNWIND): #undef reference added.
        * configure.in: Add --with-libunwind option support.  Define
        HAVE_LIBUNWIND if libunwind support selected / defaulted.
        Also check for libunwind.h and libunwind-ia64.h headers.
        * configure: Regenerated.
        * Makefile.in: Add support for libunwind-frame.o.
        * config.in: Regenerated.

1 files changed, 63 insertions, 0 deletions

diff --git a/gdb/libunwind-frame.h b/gdb/libunwind-frame.h
new file mode 100644
index 0000000..c151ef9
--- /dev/null
+++ b/gdb/libunwind-frame.h
@@ -0,0 +1,63 @@
+/* Frame unwinder for frames with libunwind frame information.
+
+   Copyright 2003 Free Software Foundation, Inc.
+
+   Contributed by Jeff Johnston.
+
+   This file is part of GDB.
+
+   This program 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 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifdef HAVE_LIBUNWIND_H
+
+#ifndef LIBUNWIND_FRAME_H
+#define LIBUNWIND_FRAME_H 1
+
+#include "libunwind.h"
+
+struct frame_info;
+
+struct libunwind_descr
+{
+  int (*gdb2uw) (int);
+  int (*uw2gdb) (int);
+  int (*is_fpreg) (int);
+  void *accessors;
+};
+
+const struct frame_unwind *libunwind_frame_sniffer (struct frame_info *next_frame);
+
+void libunwind_frame_set_descr (struct gdbarch *arch, struct libunwind_descr *descr);
+
+void libunwind_frame_this_id (struct frame_info *next_frame, void **this_cache,
+			      struct frame_id *this_id);
+void libunwind_frame_prev_register (struct frame_info *next_frame, void **this_cache,
+				    int regnum, int *optimizedp,
+				    enum lval_type *lvalp, CORE_ADDR *addrp,
+				    int *realnump, void *valuep);
+CORE_ADDR libunwind_frame_base_address (struct frame_info *next_frame, void **this_cache);
+
+int libunwind_is_initialized (void);
+
+int libunwind_search_unwind_table (void *as, long ip, void *di,
+				   void *pi, int need_unwind_info, void *args);
+
+unw_word_t libunwind_find_dyn_list (unw_addr_space_t, void *, size_t,
+				    unw_word_t, unw_word_t, void *);
+     
+#endif /* libunwind-frame.h */
+
+#endif /* HAVE_LIBUNWIND_H  */