Don't print symbol on address 0x0

[deliverable/binutils-gdb.git] / gdb / i386-linux-nat.c

diff --git a/gdb/i386-linux-nat.c b/gdb/i386-linux-nat.c
index 6667c17e36ecd169f8eca66ef9f3b1fedb4caf2b..ff96501d4d50b9b0406b7b887244ffa04e4276ab 100644 (file)
--- a/gdb/i386-linux-nat.c
+++ b/gdb/i386-linux-nat.c
@@ -778,6 +778,8 @@ i386_linux_prepare_to_resume (struct lwp_info *lwp)
       /* See amd64_linux_prepare_to_resume for Linux kernel note on
         i386_linux_dr_set calls ordering.  */
 
+      i386_linux_dr_set (lwp->ptid, DR_CONTROL, 0);
+
       for (i = DR_FIRSTADDR; i <= DR_LASTADDR; i++)
        if (state->dr_ref_count[i] > 0)
          {
@@ -790,7 +792,8 @@ i386_linux_prepare_to_resume (struct lwp_info *lwp)
            clear_status = 1;
          }
 
-      i386_linux_dr_set (lwp->ptid, DR_CONTROL, state->dr_control_mirror);
+      if (state->dr_control_mirror != 0)
+       i386_linux_dr_set (lwp->ptid, DR_CONTROL, state->dr_control_mirror);
 
       lwp->arch_private->debug_registers_changed = 0;
     }