12 files changed, 35 insertions, 11 deletions

diff --git a/lib/libthread_db/arch/amd64/libpthread_md.c b/lib/libthread_db/arch/amd64/libpthread_md.c
index 624e650cacf0f..83ec8c1b03673 100644
--- a/lib/libthread_db/arch/amd64/libpthread_md.c
+++ b/lib/libthread_db/arch/amd64/libpthread_md.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2004 David Xu <davidxu@freebsd.org>
  * Copyright (c) 2004 Marcel Moolenaar
  * All rights reserved.
diff --git a/lib/libthread_db/arch/arm/libpthread_md.c b/lib/libthread_db/arch/arm/libpthread_md.c
index 086a3b530088a..34ebbf4c50463 100644
--- a/lib/libthread_db/arch/arm/libpthread_md.c
+++ b/lib/libthread_db/arch/arm/libpthread_md.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2007 Olivier Houchard
  * All rights reserved.
  *
diff --git a/lib/libthread_db/arch/i386/libpthread_md.c b/lib/libthread_db/arch/i386/libpthread_md.c
index 784c245d93eb1..e657bf984a6ff 100644
--- a/lib/libthread_db/arch/i386/libpthread_md.c
+++ b/lib/libthread_db/arch/i386/libpthread_md.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2004 David Xu <davidxu@freebsd.org>
  * All rights reserved.
  *
diff --git a/lib/libthread_db/arch/powerpc/libpthread_md.c b/lib/libthread_db/arch/powerpc/libpthread_md.c
index fbe77f4dcbec1..a1302edcc278b 100644
--- a/lib/libthread_db/arch/powerpc/libpthread_md.c
+++ b/lib/libthread_db/arch/powerpc/libpthread_md.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2006 Marcel Moolenaar
  * All rights reserved.
  *
diff --git a/lib/libthread_db/arch/sparc64/libpthread_md.c b/lib/libthread_db/arch/sparc64/libpthread_md.c
index ffa67e9fde48d..d91ceaaa76bd5 100644
--- a/lib/libthread_db/arch/sparc64/libpthread_md.c
+++ b/lib/libthread_db/arch/sparc64/libpthread_md.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2004 Marcel Moolenaar
  * Copyright (c) 2011 Marius Strobl <marius@FreeBSD.org>
  * All rights reserved.
diff --git a/lib/libthread_db/kse.h b/lib/libthread_db/kse.h
index 9eb5449128443..e85aa0f493d38 100644
--- a/lib/libthread_db/kse.h
+++ b/lib/libthread_db/kse.h
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (C) 2001 Julian Elischer <julian@freebsd.org>
  * for the FreeBSD Foundation.
  *
diff --git a/lib/libthread_db/libpthread_db.c b/lib/libthread_db/libpthread_db.c
index 49dd98f64aaec..5e2453c760f6d 100644
--- a/lib/libthread_db/libpthread_db.c
+++ b/lib/libthread_db/libpthread_db.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2004 David Xu <davidxu@freebsd.org>
  * All rights reserved.
  *
diff --git a/lib/libthread_db/libpthread_db.h b/lib/libthread_db/libpthread_db.h
index 79f6aa5bcacbc..ec14298313d68 100644
--- a/lib/libthread_db/libpthread_db.h
+++ b/lib/libthread_db/libpthread_db.h
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2004 David Xu <davidxu@freebsd.org>
  * All rights reserved.
  *
diff --git a/lib/libthread_db/libthr_db.c b/lib/libthread_db/libthr_db.c
index c20394c7ef223..343467b5eb7bd 100644
--- a/lib/libthread_db/libthr_db.c
+++ b/lib/libthread_db/libthr_db.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2004 Marcel Moolenaar
  * Copyright (c) 2005 David Xu
  * All rights reserved.
diff --git a/lib/libthread_db/thread_db.c b/lib/libthread_db/thread_db.c
index 121855b73a247..0bf4276dc19c4 100644
--- a/lib/libthread_db/thread_db.c
+++ b/lib/libthread_db/thread_db.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2004 David Xu <davidxu@freebsd.org>
  * All rights reserved.
  *
diff --git a/lib/libthread_db/thread_db.h b/lib/libthread_db/thread_db.h
index 8c30812a54b58..35f5c0683b8cf 100644
--- a/lib/libthread_db/thread_db.h
+++ b/lib/libthread_db/thread_db.h
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2004 David Xu <davidxu@freebsd.org>
  * Copyright (c) 2004 Marcel Moolenaar
  * All rights reserved.
diff --git a/lib/libthread_db/thread_db_int.h b/lib/libthread_db/thread_db_int.h
index 92ba6e5908eff..fe520d911222b 100644
--- a/lib/libthread_db/thread_db_int.h
+++ b/lib/libthread_db/thread_db_int.h
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2004 David Xu <davidxu@freebsd.org>
  * All rights reserved.
  *