* gas/config/tc-avr.c: Change ISA for devices with USB support to

[external/binutils.git] / gdb / alpha-linux-nat.c

diff --git a/gdb/alpha-linux-nat.c b/gdb/alpha-linux-nat.c
index d93494d..3809242 100644 (file)
--- a/gdb/alpha-linux-nat.c
+++ b/gdb/alpha-linux-nat.c
@@ -1,11 +1,11 @@
 /* Low level Alpha GNU/Linux interface, for GDB when running native.
-   Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2005-2013 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,
@@ -14,18 +14,87 @@
    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 "defs.h"
 #include "target.h"
+#include "regcache.h"
 #include "linux-nat.h"
 
+#include "alpha-tdep.h"
+
+#include <sys/ptrace.h>
+#include <alpha/ptrace.h>
+
+#include <sys/procfs.h>
+#include "gregset.h"
+
+/* The address of UNIQUE for ptrace.  */
+#define ALPHA_UNIQUE_PTRACE_ADDR 65
+
+
+/* See the comment in m68k-tdep.c regarding the utility of these
+   functions.  */
+
+void
+supply_gregset (struct regcache *regcache, const gdb_gregset_t *gregsetp)
+{
+  const long *regp = (const long *)gregsetp;
+
+  /* PC is in slot 32, UNIQUE is in slot 33.  */
+  alpha_supply_int_regs (regcache, -1, regp, regp + 31, regp + 32);
+}
+
+void
+fill_gregset (const struct regcache *regcache,
+             gdb_gregset_t *gregsetp, int regno)
+{
+  long *regp = (long *)gregsetp;
+
+  /* PC is in slot 32, UNIQUE is in slot 33.  */
+  alpha_fill_int_regs (regcache, regno, regp, regp + 31, regp + 32);
+}
+
+/* Now we do the same thing for floating-point registers.
+   Again, see the comments in m68k-tdep.c.  */
+
+void
+supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregsetp)
+{
+  const long *regp = (const long *)fpregsetp;
+
+  /* FPCR is in slot 32.  */
+  alpha_supply_fp_regs (regcache, -1, regp, regp + 31);
+}
+
+void
+fill_fpregset (const struct regcache *regcache,
+              gdb_fpregset_t *fpregsetp, int regno)
+{
+  long *regp = (long *)fpregsetp;
+
+  /* FPCR is in slot 32.  */
+  alpha_fill_fp_regs (regcache, regno, regp, regp + 31);
+}
+
+
+static CORE_ADDR
+alpha_linux_register_u_offset (struct gdbarch *gdbarch, int regno, int store_p)
+{
+  if (regno == gdbarch_pc_regnum (gdbarch))
+    return PC;
+  if (regno == ALPHA_UNIQUE_REGNUM)
+    return ALPHA_UNIQUE_PTRACE_ADDR;
+  if (regno < gdbarch_fp0_regnum (gdbarch))
+    return GPR_BASE + regno;
+  else
+    return FPR_BASE + regno - gdbarch_fp0_regnum (gdbarch);
+}
+
 void _initialialize_alpha_linux_nat (void);
 
 void
 _initialize_alpha_linux_nat (void)
 {
-  linux_nat_add_target (linux_target ());
+  linux_nat_add_target (linux_trad_target (alpha_linux_register_u_offset));
 }