c_value_print: Revert 'val' to a reference for TYPE_CODE_STRUCT

[deliverable/binutils-gdb.git] / gdb / gdbserver / linux-ia64-low.c

diff --git a/gdb/gdbserver/linux-ia64-low.c b/gdb/gdbserver/linux-ia64-low.c
index 55a0040e5cd7acd4c8bb9c60b8928af45235d791..30699088d1d66a4a533ec6a4d3760459cd8bf880 100644 (file)
--- a/gdb/gdbserver/linux-ia64-low.c
+++ b/gdb/gdbserver/linux-ia64-low.c
@@ -1,12 +1,11 @@
 /* GNU/Linux/IA64 specific low level interface, for the remote server for GDB.
 /* GNU/Linux/IA64 specific low level interface, for the remote server for GDB.

-   Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2007
-   Free Software Foundation, Inc.
+   Copyright (C) 1995-2016 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
 
    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,
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,


@@ -15,9 +14,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    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 "server.h"
 #include "linux-low.h"


@@ -26,6 +23,10 @@
 #include <sys/reg.h>
 #endif
 
 #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>
 #define ia64_num_regs 462
 
 #include <asm/ptrace_offsets.h>


@@ -255,7 +256,7 @@ static int ia64_regmap[] =
     -1, -1, -1, -1, -1, -1, -1, -1, -1,
     PT_AR_PFS,
     PT_AR_LC,
     -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,
     -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,


@@ -277,9 +278,83 @@ ia64_cannot_fetch_register (int regno)
   return 0;
 }
 
   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 &regs_info;
+}
+
+static void
+ia64_arch_setup (void)
+{
+  current_process ()->tdesc = tdesc_ia64;
+}
+
+

 struct linux_target_ops the_low_target = {
 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_cannot_fetch_register,
   ia64_cannot_store_register,

+  ia64_fetch_register,

 };
 };

+
+void
+initialize_low_arch (void)
+{
+  init_registers_ia64 ();
+}