change probes to be program-space-independent

[deliverable/binutils-gdb.git] / gdb / infrun.c

diff --git a/gdb/infrun.c b/gdb/infrun.c
index 73038a396eda36b5c97543243f326c05b8c9b663..b7c09692ac53f39b3440304cea8f5c1423e3e71a 100644 (file)
--- a/gdb/infrun.c
+++ b/gdb/infrun.c
@@ -1240,7 +1240,7 @@ use_displaced_stepping (struct gdbarch *gdbarch)
   return (((can_use_displaced_stepping == AUTO_BOOLEAN_AUTO && non_stop)
           || can_use_displaced_stepping == AUTO_BOOLEAN_TRUE)
          && gdbarch_displaced_step_copy_insn_p (gdbarch)
-         && !RECORD_IS_USED);
+         && find_record_target () == NULL);
 }
 
 /* Clean out any stray displaced stepping state.  */
@@ -2963,7 +2963,7 @@ adjust_pc_after_break (struct execution_control_state *ecs)
   struct regcache *regcache;
   struct gdbarch *gdbarch;
   struct address_space *aspace;
-  CORE_ADDR breakpoint_pc;
+  CORE_ADDR breakpoint_pc, decr_pc;
 
   /* If we've hit a breakpoint, we'll normally be stopped with SIGTRAP.  If
      we aren't, just return.
@@ -3025,15 +3025,16 @@ adjust_pc_after_break (struct execution_control_state *ecs)
      we have nothing to do.  */
   regcache = get_thread_regcache (ecs->ptid);
   gdbarch = get_regcache_arch (regcache);
-  if (gdbarch_decr_pc_after_break (gdbarch) == 0)
+
+  decr_pc = target_decr_pc_after_break (gdbarch);
+  if (decr_pc == 0)
     return;
 
   aspace = get_regcache_aspace (regcache);
 
   /* Find the location where (if we've hit a breakpoint) the
      breakpoint would be.  */
-  breakpoint_pc = regcache_read_pc (regcache)
-                 - gdbarch_decr_pc_after_break (gdbarch);
+  breakpoint_pc = regcache_read_pc (regcache) - decr_pc;
 
   /* Check whether there actually is a software breakpoint inserted at
      that location.
@@ -3048,7 +3049,7 @@ adjust_pc_after_break (struct execution_control_state *ecs)
     {
       struct cleanup *old_cleanups = make_cleanup (null_cleanup, NULL);
 
-      if (RECORD_IS_USED)
+      if (record_full_is_used ())
        record_full_gdb_operation_disable_set ();
 
       /* When using hardware single-step, a SIGTRAP is reported for both
@@ -3158,6 +3159,10 @@ fill_in_stop_func (struct gdbarch *gdbarch,
       ecs->stop_func_start
        += gdbarch_deprecated_function_start_offset (gdbarch);
 
+      if (gdbarch_skip_entrypoint_p (gdbarch))
+       ecs->stop_func_start = gdbarch_skip_entrypoint (gdbarch,
+                                                       ecs->stop_func_start);
+
       ecs->stop_func_filled_in = 1;
     }
 }
@@ -3776,22 +3781,20 @@ handle_signal_stop (struct execution_control_state *ecs)
   enum stop_kind stop_soon;
   int random_signal;
 
-  if (ecs->ws.kind == TARGET_WAITKIND_STOPPED)
-    {
-      /* Do we need to clean up the state of a thread that has
-        completed a displaced single-step?  (Doing so usually affects
-        the PC, so do it here, before we set stop_pc.)  */
-      displaced_step_fixup (ecs->ptid,
-                           ecs->event_thread->suspend.stop_signal);
+  gdb_assert (ecs->ws.kind == TARGET_WAITKIND_STOPPED);
 
-      /* If we either finished a single-step or hit a breakpoint, but
-        the user wanted this thread to be stopped, pretend we got a
-        SIG0 (generic unsignaled stop).  */
+  /* Do we need to clean up the state of a thread that has
+     completed a displaced single-step?  (Doing so usually affects
+     the PC, so do it here, before we set stop_pc.)  */
+  displaced_step_fixup (ecs->ptid,
+                       ecs->event_thread->suspend.stop_signal);
 
-      if (ecs->event_thread->stop_requested
-         && ecs->event_thread->suspend.stop_signal == GDB_SIGNAL_TRAP)
-       ecs->event_thread->suspend.stop_signal = GDB_SIGNAL_0;
-    }
+  /* If we either finished a single-step or hit a breakpoint, but
+     the user wanted this thread to be stopped, pretend we got a
+     SIG0 (generic unsignaled stop).  */
+  if (ecs->event_thread->stop_requested
+      && ecs->event_thread->suspend.stop_signal == GDB_SIGNAL_TRAP)
+    ecs->event_thread->suspend.stop_signal = GDB_SIGNAL_0;
 
   stop_pc = regcache_read_pc (get_thread_regcache (ecs->ptid));
 
@@ -4379,7 +4382,11 @@ handle_signal_stop (struct execution_control_state *ecs)
          ecs->event_thread->step_after_step_resume_breakpoint = 1;
          /* Reset trap_expected to ensure breakpoints are re-inserted.  */
          ecs->event_thread->control.trap_expected = 0;
-         keep_going (ecs);
+
+         /* If we were nexting/stepping some other thread, switch to
+            it, so that we don't continue it, losing control.  */
+         if (!switch_back_to_stepped_thread (ecs))
+           keep_going (ecs);
          return;
        }
 
@@ -5644,7 +5651,7 @@ insert_exception_resume_breakpoint (struct thread_info *tp,
 
 static void
 insert_exception_resume_from_probe (struct thread_info *tp,
-                                   const struct probe *probe,
+                                   const struct bound_probe *probe,
                                    struct frame_info *frame)
 {
   struct value *arg_value;
@@ -5678,7 +5685,7 @@ check_exception_resume (struct execution_control_state *ecs,
                        struct frame_info *frame)
 {
   volatile struct gdb_exception e;
-  const struct probe *probe;
+  struct bound_probe probe;
   struct symbol *func;
 
   /* First see if this exception unwinding breakpoint was set via a
@@ -5686,9 +5693,9 @@ check_exception_resume (struct execution_control_state *ecs,
      CFA and the HANDLER.  We ignore the CFA, extract the handler, and
      set a breakpoint there.  */
   probe = find_probe_by_pc (get_frame_pc (frame));
-  if (probe)
+  if (probe.probe)
     {
-      insert_exception_resume_from_probe (ecs->event_thread, probe, frame);
+      insert_exception_resume_from_probe (ecs->event_thread, &probe, frame);
       return;
     }
 
@@ -7083,20 +7090,6 @@ discard_infcall_control_state (struct infcall_control_state *inf_status)
   xfree (inf_status);
 }
 \f
-int
-ptid_match (ptid_t ptid, ptid_t filter)
-{
-  if (ptid_equal (filter, minus_one_ptid))
-    return 1;
-  if (ptid_is_pid (filter)
-      && ptid_get_pid (ptid) == ptid_get_pid (filter))
-    return 1;
-  else if (ptid_equal (ptid, filter))
-    return 1;
-
-  return 0;
-}
-
 /* restore_inferior_ptid() will be used by the cleanup machinery
    to restore the inferior_ptid value saved in a call to
    save_inferior_ptid().  */