Add support for GNAT Ravenscar run-time library.

gdb/ChangeLog (Jerome Guitton, Joel Brobecker):

	* ravenscar-thread.c, ravenscar-thread.h, ravenscar-sparc-thread.c:
	New files.
	* configure.tgt (sparc-*-*): Add ravenscar-thread.o and
	ravenscar-sparc-thread.o to gdb_target_obs.

1 files changed, 41 insertions, 0 deletions

diff --git a/gdb/ravenscar-thread.h b/gdb/ravenscar-thread.h
new file mode 100644
index 0000000000..c8844e3916
--- /dev/null
+++ b/gdb/ravenscar-thread.h
@@ -0,0 +1,41 @@
+/* Ada Ravenscar thread support.
+
+   Copyright 2004, 2010 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 3 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, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef RAVENSCAR_THREAD_H
+#define RAVENSCAR_THREAD_H
+
+/* Architecture-specific hooks.  */
+
+struct ravenscar_arch_ops
+{
+  void (*to_fetch_registers) (struct regcache *, int);
+  void (*to_store_registers) (struct regcache *, int);
+  void (*to_prepare_to_store) (struct regcache *);
+};
+
+/* Register implementations for target ops to_store_registers,
+   to_prepare_to_store and to_fetch_registers when the inferior_ptid
+   is different from the running thread.  In that case, the registers
+   are saved in a architecture-specific location.  */
+/* FIXME: only one architecture can be registered for now. See
+   implementation.  */
+
+extern void ravenscar_register_arch_ops (struct ravenscar_arch_ops *ops);
+
+#endif /* !defined (RAVENSCAR_THREAD_H) */