/* GNU/Linux/IA64 specific low level interface, for the remote server for GDB.
- Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2007, 2008, 2009,
- 2010 Free Software Foundation, Inc.
+ Copyright (C) 1995-2015 Free Software Foundation, Inc.
This file is part of GDB.
/* 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
-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 = {
- init_registers_ia64,
- 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 ();
+}