gdb: add target_ops::supports_displaced_step

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

diff --git a/gdbserver/linux-ppc-low.cc b/gdbserver/linux-ppc-low.cc
index 4f3a643f18f3e69b8cdeee4324c26a1462dff66f..337d555aee724279b540c3a5ab85d4945da34176 100644 (file)
--- a/gdbserver/linux-ppc-low.cc
+++ b/gdbserver/linux-ppc-low.cc
@@ -62,6 +62,25 @@ public:
 
   void low_supply_ptrace_register (regcache *regcache, int regno,
                                   const char *buf) 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;
+
+  struct emit_ops *emit_ops () override;
+
+  int get_ipa_tdesc_idx () override;
+
 protected:
 
   void low_arch_setup () override;
@@ -83,6 +102,8 @@ protected:
 
   int low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
                        int size, raw_breakpoint *bp) override;
+
+  int low_get_thread_area (int lwpid, CORE_ADDR *addrp) override;
 };
 
 /* The singleton target ops object.  */
@@ -786,14 +807,6 @@ ppc_store_evrregset (struct regcache *regcache, const void *buf)
   supply_register_by_name (regcache, "spefscr", &regset->spefscr);
 }
 
-/* Support for hardware single step.  */
-
-static int
-ppc_supports_hardware_single_step (void)
-{
-  return 1;
-}
-
 static struct regset_info ppc_regsets[] = {
   /* List the extra register sets before GENERAL_REGS.  That way we will
      fetch them every time, but still fall back to PTRACE_PEEKUSER for the
@@ -1024,12 +1037,12 @@ ppc_target::low_arch_setup ()
       }
 }
 
-/* Implementation of linux_target_ops method "supports_tracepoints".  */
+/* Implementation of target ops method "supports_tracepoints".  */
 
-static int
-ppc_supports_tracepoints (void)
+bool
+ppc_target::supports_tracepoints ()
 {
-  return 1;
+  return true;
 }
 
 /* Get the thread area address.  This is used to recognize which
@@ -1037,8 +1050,8 @@ ppc_supports_tracepoints (void)
    don't read anything from the address, and treat it as opaque; it's
    the address itself that we assume is unique per-thread.  */
 
-static int
-ppc_get_thread_area (int lwpid, CORE_ADDR *addr)
+int
+ppc_target::low_get_thread_area (int lwpid, CORE_ADDR *addr)
 {
   struct lwp_info *lwp = find_lwp_pid (ptid_t (lwpid));
   struct thread_info *thr = get_lwp_thread (lwp);
@@ -1565,22 +1578,29 @@ ppc_relocate_instruction (CORE_ADDR *to, CORE_ADDR oldloc)
   *to += 4;
 }
 
+bool
+ppc_target::supports_fast_tracepoints ()
+{
+  return true;
+}
+
 /* Implement install_fast_tracepoint_jump_pad of target_ops.
    See target.h for details.  */
 
-static int
-ppc_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
+ppc_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)
 {
   uint32_t buf[256];
   uint32_t *p = buf;
@@ -1774,8 +1794,8 @@ ppc_install_fast_tracepoint_jump_pad (CORE_ADDR tpoint, CORE_ADDR tpaddr,
 
 /* Returns the minimum instruction length for installing a tracepoint.  */
 
-static int
-ppc_get_min_fast_tracepoint_insn_len (void)
+int
+ppc_target::get_min_fast_tracepoint_insn_len ()
 {
   return 4;
 }
@@ -3355,10 +3375,10 @@ static struct emit_ops ppc64v2_emit_ops_impl =
 
 #endif
 
-/* Implementation of linux_target_ops method "emit_ops".  */
+/* Implementation of target ops method "emit_ops".  */
 
-static struct emit_ops *
-ppc_emit_ops (void)
+emit_ops *
+ppc_target::emit_ops ()
 {
 #ifdef __powerpc64__
   struct regcache *regcache = get_thread_regcache (current_thread, 0);
@@ -3374,10 +3394,10 @@ ppc_emit_ops (void)
   return &ppc_emit_ops_impl;
 }
 
-/* Implementation of linux_target_ops method "get_ipa_tdesc_idx".  */
+/* Implementation of target ops method "get_ipa_tdesc_idx".  */
 
-static int
-ppc_get_ipa_tdesc_idx (void)
+int
+ppc_target::get_ipa_tdesc_idx ()
 {
   struct regcache *regcache = get_thread_regcache (current_thread, 0);
   const struct target_desc *tdesc = regcache->tdesc;
@@ -3427,20 +3447,6 @@ ppc_get_ipa_tdesc_idx (void)
   return 0;
 }
 
-struct linux_target_ops the_low_target = {
-  NULL, /* prepare_to_resume */
-  NULL, /* process_qsupported */
-  ppc_supports_tracepoints,
-  ppc_get_thread_area,
-  ppc_install_fast_tracepoint_jump_pad,
-  ppc_emit_ops,
-  ppc_get_min_fast_tracepoint_insn_len,
-  NULL, /* supports_range_stepping */
-  ppc_supports_hardware_single_step,
-  NULL, /* get_syscall_trapinfo */
-  ppc_get_ipa_tdesc_idx,
-};
-
 /* The linux target ops object.  */
 
 linux_process_target *the_linux_target = &the_ppc_target;