gdb/

	* Makefile.in (amd64_linux_tdep_h): New.
	(amd64-linux-nat.o, amd64-linux-tdep.o): Update.
	* amd64-linux-nat.c (amd64_linux_gregset64_reg_offset): Add
	ORIG_RAX.
	(_initialize_amd64_linux_nat): Set amd64_native_gregset64_num_regs.
	* amd64-linux-tdep.c (amd64_linux_register_name)
	(amd64_linux_register_type, amd64_linux_register_reggroup_p)
	(amd64_linux_write_pc): New.
	(amd64_linux_init_abi): Use them, and update num_regs.
	* amd64-linux-tdep.h: New file.
	* amd64-tdep.c (amd64_register_name, amd64_register_type): Make
	public.
	* amd64-tdep.h (amd64_register_name, amd64_register_type): New
	prototypes.

	* regformats/reg-x86-64-linux.dat: New file.
gdb/testsuite/
	* Makefile.in (clean): Clean reg-x86-64-linux.c.
	(reg-x86-64-linux.o, reg-x86-64-linux.c): New.
	* configure.srv (x86_64-*-linux*): Use reg-x86-64-linux.o.
	* linux-x86-64-low.c (x86_64_regmap): Include ORIG_RAX.
	(x86_64_fill_gregset, x86_64_store_gregset): Skip floating
	point registers.

1 files changed, 36 insertions, 0 deletions

diff --git a/gdb/amd64-linux-tdep.h b/gdb/amd64-linux-tdep.h
new file mode 100644
index 00000000000..4a5778d0ca5
--- /dev/null
+++ b/gdb/amd64-linux-tdep.h
@@ -0,0 +1,36 @@
+/* Target-dependent code for GNU/Linux AMD64.
+
+   Copyright (C) 2006 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., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
+
+#ifndef AMD64_LINUX_TDEP_H
+#define AMD64_LINUX_TDEP_H
+
+/* Like for i386 GNU/Linux, there is an extra "register"
+   used to control syscall restarting.  */
+
+/* Register number for the "orig_rax" register.  If this register
+   contains a value >= 0 it is interpreted as the system call number
+   that the kernel is supposed to restart.  */
+#define AMD64_LINUX_ORIG_RAX_REGNUM (AMD64_MXCSR_REGNUM + 1)
+
+/* Total number of registers for GNU/Linux.  */
+#define AMD64_LINUX_NUM_REGS (AMD64_LINUX_ORIG_RAX_REGNUM + 1)
+
+#endif /* amd64-linux-tdep.h */