gdbserver/linux-low: turn 'supports_range_stepping' into a method

[deliverable/binutils-gdb.git] / gdbserver / linux-s390-low.cc

diff --git a/gdbserver/linux-s390-low.cc b/gdbserver/linux-s390-low.cc
index cd4dc8ab31e783f03df7d3438f4b7593dd03f867..b5d5e898c0d8ec45cac1dfe75016b6f9d1d419d3 100644 (file)
--- a/gdbserver/linux-s390-low.cc
+++ b/gdbserver/linux-s390-low.cc
@@ -63,12 +63,28 @@ public:
 
   bool supports_z_point_type (char z_type) override;
 
+  bool supports_tracepoints () override;
+
+  bool supports_fast_tracepoints () override;
+
+  int install_fast_tracepoint_jump_pad
+    (CORE_ADDR tpoint, CORE_ADDR tpaddr, CORE_ADDR collector,
+     CORE_ADDR lockaddr, ULONGEST orig_size, CORE_ADDR *jump_entry,
+     CORE_ADDR *trampoline, ULONGEST *trampoline_size,
+     unsigned char *jjump_pad_insn, ULONGEST *jjump_pad_insn_size,
+     CORE_ADDR *adjusted_insn_addr, CORE_ADDR *adjusted_insn_addr_end,
+     char *err) override;
+
+  int get_min_fast_tracepoint_insn_len () 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;
 
+  struct emit_ops *emit_ops () override;
+
 protected:
 
   void low_arch_setup () override;
@@ -86,6 +102,8 @@ protected:
   int low_decr_pc_after_break () override;
 
   bool low_breakpoint_at (CORE_ADDR pc) override;
+
+  int low_get_thread_area (int lwpid, CORE_ADDR *addrp) override;
 };
 
 /* The singleton target ops object.  */
@@ -770,18 +788,18 @@ s390_target::get_regs_info ()
   return &myregs_info;
 }
 
-/* The "supports_tracepoints" linux_target_ops method.  */
+/* The "supports_tracepoints" target ops method.  */
 
-static int
-s390_supports_tracepoints (void)
+bool
+s390_target::supports_tracepoints ()
 {
-  return 1;
+  return true;
 }
 
-/* Implementation of linux_target_ops method "get_thread_area".  */
+/* Implementation of linux target ops method "low_get_thread_area".  */
 
-static int
-s390_get_thread_area (int lwpid, CORE_ADDR *addrp)
+int
+s390_target::low_get_thread_area (int lwpid, CORE_ADDR *addrp)
 {
   CORE_ADDR res = ptrace (PTRACE_PEEKUSER, lwpid, (long) PT_ACR0, (long) 0);
 #ifdef __s390x__
@@ -1251,23 +1269,23 @@ s390_relocate_instruction (CORE_ADDR *to, CORE_ADDR oldloc, int is_64)
   return 0;
 }
 
-/* Implementation of linux_target_ops method
+bool
+s390_target::supports_fast_tracepoints ()
+{
+  return true;
+}
+
+/* Implementation of target ops method
    "install_fast_tracepoint_jump_pad".  */
 
-static int
-s390_install_fast_tracepoint_jump_pad (CORE_ADDR tpoint,
-                                      CORE_ADDR tpaddr,
-                                      CORE_ADDR collector,
-                                      CORE_ADDR lockaddr,
-                                      ULONGEST orig_size,
-                                      CORE_ADDR *jump_entry,
-                                      CORE_ADDR *trampoline,
-                                      ULONGEST *trampoline_size,
-                                      unsigned char *jjump_pad_insn,
-                                      ULONGEST *jjump_pad_insn_size,
-                                      CORE_ADDR *adjusted_insn_addr,
-                                      CORE_ADDR *adjusted_insn_addr_end,
-                                      char *err)
+int
+s390_target::install_fast_tracepoint_jump_pad
+  (CORE_ADDR tpoint, CORE_ADDR tpaddr, CORE_ADDR collector,
+   CORE_ADDR lockaddr, ULONGEST orig_size, CORE_ADDR *jump_entry,
+   CORE_ADDR *trampoline, ULONGEST *trampoline_size,
+   unsigned char *jjump_pad_insn, ULONGEST *jjump_pad_insn_size,
+   CORE_ADDR *adjusted_insn_addr, CORE_ADDR *adjusted_insn_addr_end,
+   char *err)
 {
   int i;
   int64_t loffset;
@@ -1421,11 +1439,11 @@ s390_install_fast_tracepoint_jump_pad (CORE_ADDR tpoint,
   return 0;
 }
 
-/* Implementation of linux_target_ops method
+/* Implementation of target ops method
    "get_min_fast_tracepoint_insn_len".  */
 
-static int
-s390_get_min_fast_tracepoint_insn_len (void)
+int
+s390_target::get_min_fast_tracepoint_insn_len ()
 {
   /* We only support using 6-byte jumps to reach the tracepoint code.
      If the tracepoint buffer were allocated sufficiently close (64kiB)
@@ -2829,10 +2847,10 @@ static struct emit_ops s390x_emit_ops =
   };
 #endif
 
-/* The "emit_ops" linux_target_ops method.  */
+/* The "emit_ops" target ops method.  */
 
-static struct emit_ops *
-s390_emit_ops (void)
+emit_ops *
+s390_target::emit_ops ()
 {
 #ifdef __s390x__
   struct regcache *regcache = get_thread_regcache (current_thread, 0);
@@ -2845,19 +2863,6 @@ s390_emit_ops (void)
 }
 
 struct linux_target_ops the_low_target = {
-  NULL, /* new_process */
-  NULL, /* delete_process */
-  NULL, /* new_thread */
-  NULL, /* delete_thread */
-  NULL, /* new_fork */
-  NULL, /* prepare_to_resume */
-  NULL, /* process_qsupported */
-  s390_supports_tracepoints,
-  s390_get_thread_area,
-  s390_install_fast_tracepoint_jump_pad,
-  s390_emit_ops,
-  s390_get_min_fast_tracepoint_insn_len,
-  NULL, /* supports_range_stepping */
   s390_supports_hardware_single_step,
   NULL, /* get_syscall_trapinfo */
   s390_get_ipa_tdesc_idx,