gdb: add target_ops::supports_displaced_step

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

diff --git a/gdbserver/linux-bfin-low.cc b/gdbserver/linux-bfin-low.cc
index 23d0342c0dbcd8c6bc024f558c408cd99df9e087..963ccfeda949aa062de62a23900725a2cdaf0e38 100644 (file)
--- a/gdbserver/linux-bfin-low.cc
+++ b/gdbserver/linux-bfin-low.cc
@@ -48,6 +48,8 @@ protected:
   void low_set_pc (regcache *regcache, CORE_ADDR newpc) override;
 
   int low_decr_pc_after_break () override;
+
+  bool low_breakpoint_at (CORE_ADDR pc) override;
 };
 
 /* The singleton target ops object.  */
@@ -121,19 +123,19 @@ bfin_target::sw_breakpoint_from_kind (int kind, int *size)
   return bfin_breakpoint;
 }
 
-static int
-bfin_breakpoint_at (CORE_ADDR where)
+bool
+bfin_target::low_breakpoint_at (CORE_ADDR where)
 {
   unsigned char insn[bfin_breakpoint_len];
 
   read_inferior_memory(where, insn, bfin_breakpoint_len);
   if (insn[0] == bfin_breakpoint[0]
       && insn[1] == bfin_breakpoint[1])
-    return 1;
+    return true;
 
   /* If necessary, recognize more trap instructions here.  GDB only uses the
      one.  */
-  return 0;
+  return false;
 }
 
 void
@@ -142,14 +144,6 @@ bfin_target::low_arch_setup ()
   current_process ()->tdesc = tdesc_bfin;
 }
 
-/* Support for hardware single step.  */
-
-static int
-bfin_supports_hardware_single_step (void)
-{
-  return 1;
-}
-
 static struct usrregs_info bfin_usrregs_info =
   {
     bfin_num_regs,
@@ -168,32 +162,6 @@ bfin_target::get_regs_info ()
   return &myregs_info;
 }
 
-struct linux_target_ops the_low_target = {
-  bfin_breakpoint_at,
-  NULL, /* supports_z_point_type */
-  NULL, /* insert_point */
-  NULL, /* remove_point */
-  NULL, /* stopped_by_watchpoint */
-  NULL, /* stopped_data_address */
-  NULL, /* collect_ptrace_register */
-  NULL, /* supply_ptrace_register */
-  NULL, /* siginfo_fixup */
-  NULL, /* new_process */
-  NULL, /* delete_process */
-  NULL, /* new_thread */
-  NULL, /* delete_thread */
-  NULL, /* new_fork */
-  NULL, /* prepare_to_resume */
-  NULL, /* process_qsupported */
-  NULL, /* supports_tracepoints */
-  NULL, /* get_thread_area */
-  NULL, /* install_fast_tracepoint_jump_pad */
-  NULL, /* emit_ops */
-  NULL, /* get_min_fast_tracepoint_insn_len */
-  NULL, /* supports_range_stepping */
-  bfin_supports_hardware_single_step,
-};
-
 /* The linux target ops object.  */
 
 linux_process_target *the_linux_target = &the_bfin_target;