gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdbserver / linux-mips-low.cc

diff --git a/gdbserver/linux-mips-low.cc b/gdbserver/linux-mips-low.cc
index 5696af6fae26aa71ec34eebfe9857216fb7aeb2a..d5be60ede06cfdc7e3c399ab457185c6abf25896 100644 (file)
--- a/gdbserver/linux-mips-low.cc
+++ b/gdbserver/linux-mips-low.cc
@@ -60,6 +60,28 @@ protected:
 
   int low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
                        int size, raw_breakpoint *bp) override;
+
+  bool low_stopped_by_watchpoint () override;
+
+  CORE_ADDR low_stopped_data_address () override;
+
+  void low_collect_ptrace_register (regcache *regcache, int regno,
+                                   char *buf) override;
+
+  void low_supply_ptrace_register (regcache *regcache, int regno,
+                                  const char *buf) override;
+
+  arch_process_info *low_new_process () override;
+
+  void low_delete_process (arch_process_info *info) override;
+
+  void low_new_thread (lwp_info *) override;
+
+  void low_delete_thread (arch_lwp_info *) override;
+
+  void low_new_fork (process_info *parent, process_info *child) override;
+
+  void low_prepare_to_resume (lwp_info *lwp) override;
 };
 
 /* The singleton target ops object.  */
@@ -367,32 +389,32 @@ update_watch_registers_callback (thread_info *thread)
     linux_stop_lwp (lwp);
 }
 
-/* This is the implementation of linux_target_ops method
-   new_process.  */
+/* This is the implementation of linux target ops method
+   low_new_process.  */
 
-static struct arch_process_info *
-mips_linux_new_process (void)
+arch_process_info *
+mips_target::low_new_process ()
 {
   struct arch_process_info *info = XCNEW (struct arch_process_info);
 
   return info;
 }
 
-/* This is the implementation of linux_target_ops method
-   delete_process.  */
+/* This is the implementation of linux target ops method
+   low_delete_process.  */
 
-static void
-mips_linux_delete_process (struct arch_process_info *info)
+void
+mips_target::low_delete_process (arch_process_info *info)
 {
   xfree (info);
 }
 
-/* This is the implementation of linux_target_ops method new_thread.
+/* This is the implementation of linux target ops method low_new_thread.
    Mark the watch registers as changed, so the threads' copies will
    be updated.  */
 
-static void
-mips_linux_new_thread (struct lwp_info *lwp)
+void
+mips_target::low_new_thread (lwp_info *lwp)
 {
   struct arch_lwp_info *info = XCNEW (struct arch_lwp_info);
 
@@ -403,8 +425,8 @@ mips_linux_new_thread (struct lwp_info *lwp)
 
 /* Function to call when a thread is being deleted.  */
 
-static void
-mips_linux_delete_thread (struct arch_lwp_info *arch_lwp)
+void
+mips_target::low_delete_thread (arch_lwp_info *arch_lwp)
 {
   xfree (arch_lwp);
 }
@@ -432,9 +454,9 @@ mips_add_watchpoint (struct arch_process_info *priv, CORE_ADDR addr, int len,
 
 /* Hook to call when a new fork is attached.  */
 
-static void
-mips_linux_new_fork (struct process_info *parent,
-                       struct process_info *child)
+void
+mips_target::low_new_fork (process_info *parent,
+                          process_info *child)
 {
   struct arch_process_info *parent_private;
   struct arch_process_info *child_private;
@@ -471,12 +493,12 @@ mips_linux_new_fork (struct process_info *parent,
 
   child_private->watch_mirror = parent_private->watch_mirror;
 }
-/* This is the implementation of linux_target_ops method
-   prepare_to_resume.  If the watch regs have changed, update the
+/* This is the implementation of linux target ops method
+   low_prepare_to_resume.  If the watch regs have changed, update the
    thread's copies.  */
 
-static void
-mips_linux_prepare_to_resume (struct lwp_info *lwp)
+void
+mips_target::low_prepare_to_resume (lwp_info *lwp)
 {
   ptid_t ptid = ptid_of (get_lwp_thread (lwp));
   struct process_info *proc = find_process_pid (ptid.pid ());
@@ -608,12 +630,12 @@ mips_target::low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
   return 0;
 }
 
-/* This is the implementation of linux_target_ops method
-   stopped_by_watchpoint.  The watchhi R and W bits indicate
+/* This is the implementation of linux target ops method
+   low_stopped_by_watchpoint.  The watchhi R and W bits indicate
    the watch register triggered. */
 
-static int
-mips_stopped_by_watchpoint (void)
+bool
+mips_target::low_stopped_by_watchpoint ()
 {
   struct process_info *proc = current_process ();
   struct arch_process_info *priv = proc->priv->arch_private;
@@ -632,16 +654,16 @@ mips_stopped_by_watchpoint (void)
   for (n = 0; n < MAX_DEBUG_REGISTER && n < num_valid; n++)
     if (mips_linux_watch_get_watchhi (&priv->watch_readback, n)
        & (R_MASK | W_MASK))
-      return 1;
+      return true;
 
-  return 0;
+  return false;
 }
 
-/* This is the implementation of linux_target_ops method
-   stopped_data_address.  */
+/* This is the implementation of linux target ops method
+   low_stopped_data_address.  */
 
-static CORE_ADDR
-mips_stopped_data_address (void)
+CORE_ADDR
+mips_target::low_stopped_data_address ()
 {
   struct process_info *proc = current_process ();
   struct arch_process_info *priv = proc->priv->arch_private;
@@ -887,9 +909,9 @@ mips_store_fpregset (struct regcache *regcache, const void *buf)
 
 /* Take care of 32-bit registers with 64-bit ptrace, POKEUSER side.  */
 
-static void
-mips_collect_ptrace_register (struct regcache *regcache,
-                             int regno, char *buf)
+void
+mips_target::low_collect_ptrace_register (regcache *regcache, int regno,
+                                         char *buf)
 {
   int use_64bit = sizeof (PTRACE_XFER_TYPE) == 8;
 
@@ -906,9 +928,9 @@ mips_collect_ptrace_register (struct regcache *regcache,
 
 /* Take care of 32-bit registers with 64-bit ptrace, PEEKUSER side.  */
 
-static void
-mips_supply_ptrace_register (struct regcache *regcache,
-                            int regno, const char *buf)
+void
+mips_target::low_supply_ptrace_register (regcache *regcache, int regno,
+                                        const char *buf)
 {
   int use_64bit = sizeof (PTRACE_XFER_TYPE) == 8;
 
@@ -975,20 +997,6 @@ mips_target::get_regs_info ()
     return &myregs_info;
 }
 
-struct linux_target_ops the_low_target = {
-  mips_stopped_by_watchpoint,
-  mips_stopped_data_address,
-  mips_collect_ptrace_register,
-  mips_supply_ptrace_register,
-  NULL, /* siginfo_fixup */
-  mips_linux_new_process,
-  mips_linux_delete_process,
-  mips_linux_new_thread,
-  mips_linux_delete_thread,
-  mips_linux_new_fork,
-  mips_linux_prepare_to_resume
-};
-
 /* The linux target ops object.  */
 
 linux_process_target *the_linux_target = &the_mips_target;