gdb: add target_ops::supports_displaced_step

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

diff --git a/gdb/sparc-linux-nat.c b/gdb/sparc-linux-nat.c
index 1e507d27535c0ea68b089bc7a8ed04a34d124b1c..1489d0980e1c786a71b5aefdd45f154815af18ef 100644 (file)
--- a/gdb/sparc-linux-nat.c
+++ b/gdb/sparc-linux-nat.c
@@ -1,11 +1,11 @@
 /* Native-dependent code for GNU/Linux SPARC.
-   Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2005-2020 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,
@@ -14,9 +14,7 @@
    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., 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 "regcache.h"
@@ -30,44 +28,51 @@
 #include "target.h"
 #include "linux-nat.h"
 
+class sparc_linux_nat_target final : public linux_nat_target
+{
+public:
+  /* Add our register access methods.  */
+  void fetch_registers (struct regcache *regcache, int regnum) override
+  { sparc_fetch_inferior_registers (regcache, regnum); }
+
+  void store_registers (struct regcache *regcache, int regnum) override
+  { sparc_store_inferior_registers (regcache, regnum); }
+};
+
+static sparc_linux_nat_target the_sparc_linux_nat_target;
+
 void
-supply_gregset (prgregset_t *gregs)
+supply_gregset (struct regcache *regcache, const prgregset_t *gregs)
 {
-  sparc32_supply_gregset (sparc_gregset, current_regcache, -1, gregs);
+  sparc32_supply_gregset (sparc_gregmap, regcache, -1, gregs);
 }
 
 void
-supply_fpregset (prfpregset_t *fpregs)
+supply_fpregset (struct regcache *regcache, const prfpregset_t *fpregs)
 {
-  sparc32_supply_fpregset (current_regcache, -1, fpregs);
+  sparc32_supply_fpregset (sparc_fpregmap, regcache, -1, fpregs);
 }
 
 void
-fill_gregset (prgregset_t *gregs, int regnum)
+fill_gregset (const struct regcache *regcache, prgregset_t *gregs, int regnum)
 {
-  sparc32_collect_gregset (sparc_gregset, current_regcache, regnum, gregs);
+  sparc32_collect_gregset (sparc_gregmap, regcache, regnum, gregs);
 }
 
 void
-fill_fpregset (prfpregset_t *fpregs, int regnum)
+fill_fpregset (const struct regcache *regcache,
+              prfpregset_t *fpregs, int regnum)
 {
-  sparc32_collect_fpregset (current_regcache, regnum, fpregs);
+  sparc32_collect_fpregset (sparc_fpregmap, regcache, regnum, fpregs);
 }
 
-void _initialialize_sparc_linux_nat (void);
-
+void _initialize_sparc_linux_nat ();
 void
-_initialize_sparc_linux_nat (void)
+_initialize_sparc_linux_nat ()
 {
-  struct target_ops *t;
-
-  /* Fill in the generic GNU/Linux methods.  */
-  t = linux_target ();
-
-  /* Add our register access methods.  */
-  t->to_fetch_registers = fetch_inferior_registers;
-  t->to_store_registers = store_inferior_registers;
+  sparc_fpregmap = &sparc32_bsd_fpregmap;
 
   /* Register the target.  */
-  linux_nat_add_target (t);
+  linux_target = &the_sparc_linux_nat_target;
+  add_inf_child_target (&the_sparc_linux_nat_target);
 }