* Makefile.in (SFILES): Add new and missed files.

	(target_descriptions_h): New.
	(COMMON_OBS): Add target-descriptions.o.
	(arch-utils.o, infcmd.o, remote.o, target.o): Update.
	(target-descriptions.o): New.
	* arch-utils.c (gdbarch_info_fill): Check for a target
	description.
	* target-descriptions.c, target-descriptions.h: New files.
	* gdbarch.sh: Add target_desc to info.  Declare it in gdbarch.h.
	Correct typos.
	(gdbarch_list_lookup_by_info): Check target_desc.
	* gdbarch.c, gdbarch.h: Regenerated.
	* target.c (update_current_target): Mention to_read_description.
	(target_pre_inferior): Call target_clear_description.
	(target_read_description): New.
	* target.h (struct target_ops): Add to_read_description.
	(target_read_description): New prototype.
	* infcmd.c (post_create_inferior): Call target_find_description.
	* remote.c (remote_open_1): Likewise.
	(extended_remote_create_inferior): Add a comment.
	(extended_remote_async_create_inferior): Likewise.

1 files changed, 52 insertions, 0 deletions

diff --git a/gdb/target-descriptions.h b/gdb/target-descriptions.h
new file mode 100644
index 0000000000..bbcf879a86
--- /dev/null
+++ b/gdb/target-descriptions.h
@@ -0,0 +1,52 @@
+/* Target description support for GDB.
+
+   Copyright (C) 2006
+   Free Software Foundation, Inc.
+
+   Contributed by CodeSourcery.
+
+   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., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
+
+#ifndef TARGET_DESCRIPTIONS_H
+#define TARGET_DESCRIPTIONS_H 1
+
+struct target_desc;
+
+/* Fetch the current target's description, and switch the current
+   architecture to one which incorporates that description.  */
+
+void target_find_description (void);
+
+/* Discard any description fetched from the current target, and switch
+   the current architecture to one with no target description.  */
+
+void target_clear_description (void);
+
+/* Return the global current target description.  This should only be
+   used by gdbarch initialization code; most access should be through
+   an existing gdbarch.  */
+
+const struct target_desc *target_current_description (void);
+
+/* Accessors for target descriptions.  */
+
+/* Methods for constructing a target description.  */
+
+struct target_desc *allocate_target_description (void);
+
+#endif /* TARGET_DESCRIPTIONS_H */