* ppc-opc.c: Support optional L form mtmsr.

[deliverable/binutils-gdb.git] / gdb / sparc-nat.c

diff --git a/gdb/sparc-nat.c b/gdb/sparc-nat.c
index f2d73c0d4ea17cce83548cb675d3bd116500ee86..abbe597af4e49900bc6e45a45922924e503c25fa 100644 (file)
--- a/gdb/sparc-nat.c
+++ b/gdb/sparc-nat.c
@@ -1,12 +1,12 @@
 /* Native-dependent code for SPARC.
 
-   Copyright 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2005, 2007, 2008 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,
@@ -15,9 +15,7 @@
    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., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
 #include "inferior.h"
@@ -135,9 +133,8 @@ sparc32_fpregset_supplies_p (int regnum)
    for all registers (including the floating-point registers).  */
 
 void
-fetch_inferior_registers (int regnum)
+sparc_fetch_inferior_registers (struct regcache *regcache, int regnum)
 {
-  struct regcache *regcache = current_regcache;
   int pid;
 
   /* NOTE: cagney/2002-12-03: This code assumes that the currently
@@ -187,9 +184,8 @@ fetch_inferior_registers (int regnum)
 }
 
 void
-store_inferior_registers (int regnum)
+sparc_store_inferior_registers (struct regcache *regcache, int regnum)
 {
-  struct regcache *regcache = current_regcache;
   int pid;
 
   /* NOTE: cagney/2002-12-02: See comment in fetch_inferior_registers
@@ -255,8 +251,8 @@ store_inferior_registers (int regnum)
 
 LONGEST
 sparc_xfer_wcookie (struct target_ops *ops, enum target_object object,
-                   const char *annex, void *readbuf, const void *writebuf,
-                   ULONGEST offset, LONGEST len)
+                   const char *annex, gdb_byte *readbuf,
+                   const gdb_byte *writebuf, ULONGEST offset, LONGEST len)
 {
   unsigned long wcookie = 0;
   char *buf = (char *)&wcookie;
@@ -264,14 +260,16 @@ sparc_xfer_wcookie (struct target_ops *ops, enum target_object object,
   gdb_assert (object == TARGET_OBJECT_WCOOKIE);
   gdb_assert (readbuf && writebuf == NULL);
 
-  if (offset >= sizeof (unsigned long))
+  if (offset == sizeof (unsigned long))
+    return 0;                  /* Signal EOF.  */
+  if (offset > sizeof (unsigned long))
     return -1;
 
 #ifdef PT_WCOOKIE
   /* If PT_WCOOKIE is defined (by <sys/ptrace.h>), assume we're
      running on an OpenBSD release that uses StackGhost (3.1 or
-     later).  As of release 3.4, OpenBSD doesn't use a randomized
-     cookie yet, but a future release probably will.  */
+     later).  Since release 3.6, OpenBSD uses a fully randomized
+     cookie.  */
   {
     int pid;
 
@@ -307,13 +305,13 @@ sparc_xfer_wcookie (struct target_ops *ops, enum target_object object,
 }
 
 LONGEST (*inf_ptrace_xfer_partial) (struct target_ops *, enum target_object,
-                                   const char *, void *, const void *,
+                                   const char *, gdb_byte *, const gdb_byte *,
                                    ULONGEST, LONGEST);
 
 static LONGEST
 sparc_xfer_partial (struct target_ops *ops, enum target_object object,
-                   const char *annex, void *readbuf, const void *writebuf,
-                   ULONGEST offset, LONGEST len)
+                   const char *annex, gdb_byte *readbuf,
+                   const gdb_byte *writebuf, ULONGEST offset, LONGEST len)
 {
   if (object == TARGET_OBJECT_WCOOKIE)
     return sparc_xfer_wcookie (ops, object, annex, readbuf, writebuf, 
@@ -332,8 +330,8 @@ sparc_target (void)
   struct target_ops *t;
 
   t = inf_ptrace_target ();
-  t->to_fetch_registers = fetch_inferior_registers;
-  t->to_store_registers = store_inferior_registers;
+  t->to_fetch_registers = sparc_fetch_inferior_registers;
+  t->to_store_registers = sparc_store_inferior_registers;
   inf_ptrace_xfer_partial = t->to_xfer_partial;
   t->to_xfer_partial = sparc_xfer_partial;
   return t;