X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gdb%2Falpha-linux-nat.c;h=e5001c4c40e9cdc60d713e2545aedd0424d38cae;hb=8ea5bce59057ef1906bf1180843c0900b191dcab;hp=0186a94305a74f0b00f895fe871855df9182b817;hpb=910122bf0a86e84e7dbd625c2164ae95f35ce24f;p=binutils-gdb.git

diff --git a/gdb/alpha-linux-nat.c b/gdb/alpha-linux-nat.c
index 0186a94305a..e5001c4c40e 100644
--- a/gdb/alpha-linux-nat.c
+++ b/gdb/alpha-linux-nat.c
@@ -1,11 +1,12 @@
 /* Low level Alpha GNU/Linux interface, for GDB when running native.
-   Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010
+   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,
@@ -14,22 +15,84 @@
    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 "gdbcore.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 (int regno)
+alpha_linux_register_u_offset (struct gdbarch *gdbarch, int regno, int store_p)
 {
-  /* FIXME drow/2005-09-04: The hardcoded use of register_addr should go
-     away.  This requires disentangling the various definitions of it
-     (particularly alpha-nat.c's).  */
-  return register_addr (regno, 0);
+  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);