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-rw-r--r--gdb/infrun.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/gdb/infrun.c b/gdb/infrun.c
index dd26af3..274082d 100644
--- a/gdb/infrun.c
+++ b/gdb/infrun.c
@@ -1078,6 +1078,24 @@ add_displaced_stepping_state (int pid)
return state;
}
+/* If inferior is in displaced stepping, and ADDR equals to starting address
+ of copy area, return corresponding displaced_step_closure. Otherwise,
+ return NULL. */
+
+struct displaced_step_closure*
+get_displaced_step_closure_by_addr (CORE_ADDR addr)
+{
+ struct displaced_step_inferior_state *displaced
+ = get_displaced_stepping_state (ptid_get_pid (inferior_ptid));
+
+ /* If checking the mode of displaced instruction in copy area. */
+ if (displaced && !ptid_equal (displaced->step_ptid, null_ptid)
+ && (displaced->step_copy == addr))
+ return displaced->step_closure;
+
+ return NULL;
+}
+
/* Remove the displaced stepping state of process PID. */
static void