gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdb / sparc64-linux-nat.c

diff --git a/gdb/sparc64-linux-nat.c b/gdb/sparc64-linux-nat.c
index 730d4f9b3f86f8893e41cdd3d3e3e93401fb7cae..b7f27792b8f3b523653d04993d4e869700d10b2e 100644 (file)
--- a/gdb/sparc64-linux-nat.c
+++ b/gdb/sparc64-linux-nat.c
@@ -1,12 +1,12 @@
 /* Native-dependent code for GNU/Linux UltraSPARC.
 
-   Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2003-2020 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,
@@ -15,19 +15,41 @@
    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"
+
+#include <sys/procfs.h>
+#include "gregset.h"
 
 #include "sparc64-tdep.h"
+#include "sparc-tdep.h"
 #include "sparc-nat.h"
 #include "inferior.h"
 #include "target.h"
 #include "linux-nat.h"
 
-static const struct sparc_gregset sparc64_linux_ptrace_gregset =
+class sparc64_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); }
+
+  /* Override linux_nat_target low methods.  */
+
+  /* ADI support */
+  void low_forget_process (pid_t pid) override
+  { sparc64_forget_process (pid); }
+};
+
+static sparc64_linux_nat_target the_sparc64_linux_nat_target;
+
+static const struct sparc_gregmap sparc64_linux_ptrace_gregmap =
 {
   16 * 8,                      /* "tstate" */
   17 * 8,                      /* %pc */
@@ -41,23 +63,40 @@ static const struct sparc_gregset sparc64_linux_ptrace_gregset =
 };
 \f
 
-/* Provide a prototype to silence -Wmissing-prototypes.  */
-void _initialize_sparc64_linux_nat (void);
+void
+supply_gregset (struct regcache *regcache, const prgregset_t *gregs)
+{
+  sparc64_supply_gregset (sparc_gregmap, regcache, -1, gregs);
+}
 
 void
-_initialize_sparc64_linux_nat (void)
+supply_fpregset (struct regcache *regcache, const prfpregset_t *fpregs)
 {
-  struct target_ops *t;
+  sparc64_supply_fpregset (&sparc64_bsd_fpregmap, regcache, -1, fpregs);
+}
 
-  /* Fill in the generic GNU/Linux methods.  */
-  t = linux_target ();
+void
+fill_gregset (const struct regcache *regcache, prgregset_t *gregs, int regnum)
+{
+  sparc64_collect_gregset (sparc_gregmap, regcache, regnum, gregs);
+}
 
-  /* Add our register access methods.  */
-  t->to_fetch_registers = fetch_inferior_registers;
-  t->to_store_registers = store_inferior_registers;
+void
+fill_fpregset (const struct regcache *regcache,
+              prfpregset_t *fpregs, int regnum)
+{
+  sparc64_collect_fpregset (&sparc64_bsd_fpregmap, regcache, regnum, fpregs);
+}
+
+void _initialize_sparc64_linux_nat ();
+void
+_initialize_sparc64_linux_nat ()
+{
+  sparc_fpregmap = &sparc64_bsd_fpregmap;
 
   /* Register the target.  */
-  linux_nat_add_target (t);
+  linux_target = &the_sparc64_linux_nat_target;
+  add_inf_child_target (&the_sparc64_linux_nat_target);
 
-  sparc_gregset = &sparc64_linux_ptrace_gregset;
+  sparc_gregmap = &sparc64_linux_ptrace_gregmap;
 }