Add freebsd stub

src/Makefile.am

@@ -97,6 +97,8 @@ libunwind_la_SOURCES_os_linux = os-linux.h os-linux.c
 
 libunwind_la_SOURCES_os_hpux = os-hpux.c
 
+libunwind_la_SOURCES_os_freebsd = os-freebsd.c
+
 dwarf_SOURCES_common =				\
 	dwarf/global.c
 

src/os-freebsd.c

@@ -0,0 +1,41 @@
+/* libunwind - a platform-independent unwind library
+   Copyright (C) 2010 Konstantin Belousov
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
+
+#ifndef UNW_REMOTE_ONLY
+
+#include <dlfcn.h>
+#include <unistd.h>
+
+#include "libunwind_i.h"
+
+HIDDEN int
+tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip,
+		    unsigned long *segbase, unsigned long *mapoff)
+{
+
+	/* XXXKIB */
+	return (0);
+}
+
+#endif /* UNW_REMOTE_ONLY */