* config/sparc/sp64linux.mt: New file.

* configure.tgt: Recognize sparc64-*-linux* as a sp64linux target.
* configure.host: Recognize sparc64-*-linux* as a linux host.
From 2000-03-17 Jakub Jelinek <jakub@redhat.com>:
* config/sparc/tm-sp64linux.h: New file.

gdb/config/sparc/sp64linux.mt

@@ -0,0 +1,3 @@
+# Target: UltraSPARC, running Linux 64bit programs
+TDEPFILES= sparc-tdep.o solib.o solib-svr4.o
+TM_FILE= tm-sp64linux.h

gdb/config/sparc/tm-sp64linux.h

@@ -0,0 +1,37 @@
+/* Macro definitions for GDB for a UltraSparc running Linux.
+   Copyright 2001 Free Software Foundation, Inc.
+
+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.  */
+
+#ifndef TM_SPARC_LIN64_H
+#define TM_SPARC_LIN64_H
+
+#define GDB_MULTI_ARCH 0
+
+#include "sparc/tm-sp64.h"
+
+#define SIGCONTEXT_PC_OFFSET 16  /* See asm-sparc64/sigcontext.h */
+
+/* We always want full V9 + Ultra VIS stuff... */
+#undef TM_PRINT_INSN_MACH
+#define TM_PRINT_INSN_MACH bfd_mach_sparc_v9a
+
+#define GDB_PTRACE_REGS64
+
+#include "tm-sysv4.h"
+
+#endif TM_SPARC_LIN64_H