Split gdbarch.h into two files

[binutils-gdb.git] / gdb / arm-fbsd-nat.c

diff --git a/gdb/arm-fbsd-nat.c b/gdb/arm-fbsd-nat.c
index 5b9fcc0a2643d6d86c523367507a476c7b0b57c0..f9fb8e1999a9c49d257efc50f2d38ec98e89db1f 100644 (file)
--- a/gdb/arm-fbsd-nat.c
+++ b/gdb/arm-fbsd-nat.c
@@ -1,6 +1,6 @@
 /* Native-dependent code for FreeBSD/arm.
 
-   Copyright (C) 2017-2018 Free Software Foundation, Inc.
+   Copyright (C) 2017-2021 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -25,127 +25,62 @@
 #include <machine/reg.h>
 
 #include "fbsd-nat.h"
-#include "arm-tdep.h"
 #include "arm-fbsd-tdep.h"
 #include "inf-ptrace.h"
 
-/* Determine if PT_GETREGS fetches REGNUM.  */
-
-static bool
-getregs_supplies (struct gdbarch *gdbarch, int regnum)
+struct arm_fbsd_nat_target : public fbsd_nat_target
 {
-  return ((regnum >= ARM_A1_REGNUM && regnum <= ARM_PC_REGNUM)
-         || regnum == ARM_PS_REGNUM);
-}
-
-#ifdef PT_GETVFPREGS
-/* Determine if PT_GETVFPREGS fetches REGNUM.  */
+  void fetch_registers (struct regcache *, int) override;
+  void store_registers (struct regcache *, int) override;
+  const struct target_desc *read_description () override;
+};
 
-static bool
-getvfpregs_supplies (struct gdbarch *gdbarch, int regnum)
-{
-  return ((regnum >= ARM_D0_REGNUM && regnum <= ARM_D31_REGNUM)
-         || regnum == ARM_FPSCR_REGNUM);
-}
-#endif
+static arm_fbsd_nat_target the_arm_fbsd_nat_target;
 
 /* Fetch register REGNUM from the inferior.  If REGNUM is -1, do this
    for all registers.  */
 
-static void
-arm_fbsd_fetch_inferior_registers (struct target_ops *ops,
-                                   struct regcache *regcache, int regnum)
+void
+arm_fbsd_nat_target::fetch_registers (struct regcache *regcache, int regnum)
 {
-  pid_t pid = get_ptrace_pid (regcache_get_ptid (regcache));
-
-  struct gdbarch *gdbarch = regcache->arch ();
-  if (regnum == -1 || getregs_supplies (gdbarch, regnum))
-    {
-      struct reg regs;
-
-      if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
-       perror_with_name (_("Couldn't get registers"));
-
-      regcache->supply_regset (&arm_fbsd_gregset, regnum, &regs,
-                              sizeof (regs));
-    }
-
+  fetch_register_set<struct reg> (regcache, regnum, PT_GETREGS,
+                                 &arm_fbsd_gregset);
 #ifdef PT_GETVFPREGS
-  if (regnum == -1 || getvfpregs_supplies (gdbarch, regnum))
-    {
-      struct vfpreg vfpregs;
-
-      if (ptrace (PT_GETVFPREGS, pid, (PTRACE_TYPE_ARG3) &vfpregs, 0) == -1)
-       perror_with_name (_("Couldn't get floating point status"));
-
-      regcache->supply_regset (&arm_fbsd_vfpregset, regnum, &vfpregs,
-                              sizeof (vfpregs));
-    }
+  fetch_register_set<struct vfpreg> (regcache, regnum, PT_GETVFPREGS,
+                                    &arm_fbsd_vfpregset);
 #endif
 }
 
 /* Store register REGNUM back into the inferior.  If REGNUM is -1, do
    this for all registers.  */
 
-static void
-arm_fbsd_store_inferior_registers (struct target_ops *ops,
-                                   struct regcache *regcache, int regnum)
+void
+arm_fbsd_nat_target::store_registers (struct regcache *regcache, int regnum)
 {
-  pid_t pid = get_ptrace_pid (regcache_get_ptid (regcache));
-
-  struct gdbarch *gdbarch = regcache->arch ();
-  if (regnum == -1 || getregs_supplies (gdbarch, regnum))
-    {
-      struct reg regs;
-
-      if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
-       perror_with_name (_("Couldn't get registers"));
-
-      regcache->collect_regset (&arm_fbsd_gregset, regnum, &regs,
-                              sizeof (regs));
-
-      if (ptrace (PT_SETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
-       perror_with_name (_("Couldn't write registers"));
-    }
-
+  store_register_set<struct reg> (regcache, regnum, PT_GETREGS, PT_SETREGS,
+                                 &arm_fbsd_gregset);
 #ifdef PT_GETVFPREGS
-  if (regnum == -1 || getvfpregs_supplies (gdbarch, regnum))
-    {
-      struct vfpreg vfpregs;
-
-      if (ptrace (PT_GETVFPREGS, pid, (PTRACE_TYPE_ARG3) &vfpregs, 0) == -1)
-       perror_with_name (_("Couldn't get floating point status"));
-
-      regcache->collect_regset (&arm_fbsd_vfpregset, regnum, &vfpregs,
-                               sizeof (vfpregs));
-
-      if (ptrace (PT_SETVFPREGS, pid, (PTRACE_TYPE_ARG3) &vfpregs, 0) == -1)
-       perror_with_name (_("Couldn't write floating point status"));
-    }
+  store_register_set<struct vfpreg> (regcache, regnum, PT_GETVFPREGS,
+                                    PT_SETVFPREGS, &arm_fbsd_vfpregset);
 #endif
 }
 
 /* Implement the to_read_description method.  */
 
-static const struct target_desc *
-arm_fbsd_read_description (struct target_ops *ops)
+const struct target_desc *
+arm_fbsd_nat_target::read_description ()
 {
   const struct target_desc *desc;
 
-  desc = arm_fbsd_read_description_auxv (ops);
+  desc = arm_fbsd_read_description_auxv (this);
   if (desc == NULL)
-    desc = ops->beneath->to_read_description (ops->beneath);
+    desc = this->beneath ()->read_description ();
   return desc;
 }
 
+void _initialize_arm_fbsd_nat ();
 void
-_initialize_arm_fbsd_nat (void)
+_initialize_arm_fbsd_nat ()
 {
-  struct target_ops *t;
-
-  t = inf_ptrace_target ();
-  t->to_fetch_registers = arm_fbsd_fetch_inferior_registers;
-  t->to_store_registers = arm_fbsd_store_inferior_registers;
-  t->to_read_description = arm_fbsd_read_description;
-  fbsd_nat_add_target (t);
+  add_inf_child_target (&the_arm_fbsd_nat_target);
 }