gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdbserver / linux-m68k-low.cc

diff --git a/gdbserver/linux-m68k-low.cc b/gdbserver/linux-m68k-low.cc
index 6483c27698e082a9daaa38c4d847e128aad0008a..838ba353b0b17f2a4c1097f4f295268fc3eef3ce 100644 (file)
--- a/gdbserver/linux-m68k-low.cc
+++ b/gdbserver/linux-m68k-low.cc
@@ -27,6 +27,8 @@ public:
 
   const regs_info *get_regs_info () override;
 
+  const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override;
+
 protected:
 
   void low_arch_setup () override;
@@ -40,6 +42,10 @@ protected:
   CORE_ADDR low_get_pc (regcache *regcache) override;
 
   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.  */
@@ -64,6 +70,12 @@ m68k_target::low_set_pc (regcache *regcache, CORE_ADDR pc)
   linux_set_pc_32bit (regcache, pc);
 }
 
+int
+m68k_target::low_decr_pc_after_break ()
+{
+  return 2;
+}
+
 /* Defined in auto-generated file reg-m68k.c.  */
 void init_registers_m68k (void);
 extern const struct target_desc *tdesc_m68k;
@@ -170,25 +182,25 @@ static struct regset_info m68k_regsets[] = {
 static const gdb_byte m68k_breakpoint[] = { 0x4E, 0x4F };
 #define m68k_breakpoint_len 2
 
-/* Implementation of linux_target_ops method "sw_breakpoint_from_kind".  */
+/* Implementation of target ops method "sw_breakpoint_from_kind".  */
 
-static const gdb_byte *
-m68k_sw_breakpoint_from_kind (int kind, int *size)
+const gdb_byte *
+m68k_target::sw_breakpoint_from_kind (int kind, int *size)
 {
   *size = m68k_breakpoint_len;
   return m68k_breakpoint;
 }
 
-static int
-m68k_breakpoint_at (CORE_ADDR pc)
+bool
+m68k_target::low_breakpoint_at (CORE_ADDR pc)
 {
   unsigned char c[2];
 
   read_inferior_memory (pc, c, 2);
   if (c[0] == 0x4E && c[1] == 0x4F)
-    return 1;
+    return true;
 
-  return 0;
+  return false;
 }
 
 #include <asm/ptrace.h>
@@ -244,43 +256,6 @@ m68k_target::low_arch_setup ()
   current_process ()->tdesc = tdesc_m68k;
 }
 
-/* Support for hardware single step.  */
-
-static int
-m68k_supports_hardware_single_step (void)
-{
-  return 1;
-}
-
-struct linux_target_ops the_low_target = {
-  m68k_sw_breakpoint_from_kind,
-  NULL,
-  2,
-  m68k_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 */
-  m68k_supports_hardware_single_step,
-};
-
 /* The linux target ops object.  */
 
 linux_process_target *the_linux_target = &the_m68k_target;