tracetool: include SPDX-License-Identifier in generated files

While these files are auto-generated, a later commit will add
reference output to git, so having SPDX-License-Identifier is
desirable.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20250916081638.764020-5-berrange@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

scripts/tracetool/format/c.py

@@ -22,6 +22,7 @@ def generate(events, backend, group):
     header = "trace-" + group + ".h"
 
     out('/* This file is autogenerated by tracetool, do not edit. */',
+        '/* SPDX-License-Identifier: GPL-2.0-or-later */',
         '',
         '#include "qemu/osdep.h"',
         '#include "qemu/module.h"',

scripts/tracetool/format/d.py

@@ -39,7 +39,8 @@ def generate(events, backend, group):
     if not events and platform != "darwin":
         return
 
-    out('/* This file is autogenerated by tracetool, do not edit. */'
+    out('/* This file is autogenerated by tracetool, do not edit. */',
+        '/* SPDX-License-Identifier: GPL-2.0-or-later */',
         '',
         'provider qemu {')
 

scripts/tracetool/format/h.py

@@ -19,6 +19,7 @@ def generate(events, backend, group):
     header = "trace/control.h"
 
     out('/* This file is autogenerated by tracetool, do not edit. */',
+        '/* SPDX-License-Identifier: GPL-2.0-or-later */',
         '',
         '#ifndef TRACE_%s_GENERATED_TRACERS_H' % group.upper(),
         '#define TRACE_%s_GENERATED_TRACERS_H' % group.upper(),

scripts/tracetool/format/log_stap.py

@@ -88,6 +88,7 @@ def c_fmt_to_stap(fmt):
 
 def generate(events, backend, group):
     out('/* This file is autogenerated by tracetool, do not edit. */',
+        '/* SPDX-License-Identifier: GPL-2.0-or-later */',
         '')
 
     for event_id, e in enumerate(events):

scripts/tracetool/format/simpletrace_stap.py

@@ -22,6 +22,7 @@ def global_var_name(name):
 
 def generate(events, backend, group):
     out('/* This file is autogenerated by tracetool, do not edit. */',
+        '/* SPDX-License-Identifier: GPL-2.0-or-later */',
         '')
 
     for event_id, e in enumerate(events):

scripts/tracetool/format/stap.py

@@ -38,6 +38,7 @@ def generate(events, backend, group):
               if "disable" not in e.properties]
 
     out('/* This file is autogenerated by tracetool, do not edit. */',
+        '/* SPDX-License-Identifier: GPL-2.0-or-later */',
         '')
 
     for e in events:

scripts/tracetool/format/ust_events_c.py

@@ -20,6 +20,7 @@ def generate(events, backend, group):
               if "disabled" not in e.properties]
 
     out('/* This file is autogenerated by tracetool, do not edit. */',
+        '/* SPDX-License-Identifier: GPL-2.0-or-later */',
         '',
         '#include "qemu/osdep.h"',
         '',

scripts/tracetool/format/ust_events_h.py

@@ -25,6 +25,7 @@ def generate(events, backend, group):
         include = "trace-ust.h"
 
     out('/* This file is autogenerated by tracetool, do not edit. */',
+        '/* SPDX-License-Identifier: GPL-2.0-or-later */',
         '',
         '#undef TRACEPOINT_PROVIDER',
         '#define TRACEPOINT_PROVIDER qemu',