/* GNU/Linux/IA64 specific low level interface, for the remote server for GDB.
- Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2002
- Free Software Foundation, Inc.
+ Copyright (C) 1995-2015 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
+ 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,
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "server.h"
#include "linux-low.h"
#include <sys/reg.h>
#endif
+/* Defined in auto-generated file reg-ia64.c. */
+void init_registers_ia64 (void);
+extern const struct target_desc *tdesc_ia64;
+
#define ia64_num_regs 462
#include <asm/ptrace_offsets.h>
-1, -1, -1, -1, -1, -1, -1, -1, -1,
PT_AR_PFS,
PT_AR_LC,
- -1, /* Not available: EC, the Epilog Count register */
+ PT_AR_EC,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
return 0;
}
+/* GDB register numbers. */
+#define IA64_GR0_REGNUM 0
+#define IA64_FR0_REGNUM 128
+#define IA64_FR1_REGNUM 129
+
+static int
+ia64_fetch_register (struct regcache *regcache, int regnum)
+{
+ /* r0 cannot be fetched but is always zero. */
+ if (regnum == IA64_GR0_REGNUM)
+ {
+ const gdb_byte zero[8] = { 0 };
+
+ gdb_assert (sizeof (zero) == register_size (regcache->tdesc, regnum));
+ supply_register (regcache, regnum, zero);
+ return 1;
+ }
+
+ /* fr0 cannot be fetched but is always zero. */
+ if (regnum == IA64_FR0_REGNUM)
+ {
+ const gdb_byte f_zero[16] = { 0 };
+
+ gdb_assert (sizeof (f_zero) == register_size (regcache->tdesc, regnum));
+ supply_register (regcache, regnum, f_zero);
+ return 1;
+ }
+
+ /* fr1 cannot be fetched but is always one (1.0). */
+ if (regnum == IA64_FR1_REGNUM)
+ {
+ const gdb_byte f_one[16] =
+ { 0, 0, 0, 0, 0, 0, 0, 0x80, 0xff, 0xff, 0, 0, 0, 0, 0, 0 };
+
+ gdb_assert (sizeof (f_one) == register_size (regcache->tdesc, regnum));
+ supply_register (regcache, regnum, f_one);
+ return 1;
+ }
+
+ return 0;
+}
+
+static struct usrregs_info ia64_usrregs_info =
+ {
+ ia64_num_regs,
+ ia64_regmap,
+ };
+
+static struct regs_info regs_info =
+ {
+ NULL, /* regset_bitmap */
+ &ia64_usrregs_info
+ };
+
+static const struct regs_info *
+ia64_regs_info (void)
+{
+ return ®s_info;
+}
+
+static void
+ia64_arch_setup (void)
+{
+ current_process ()->tdesc = tdesc_ia64;
+}
+
+
struct linux_target_ops the_low_target = {
- ia64_num_regs,
- ia64_regmap,
+ ia64_arch_setup,
+ ia64_regs_info,
ia64_cannot_fetch_register,
ia64_cannot_store_register,
+ ia64_fetch_register,
};
+
+void
+initialize_low_arch (void)
+{
+ init_registers_ia64 ();
+}