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# SPDX-License-Identifier: GPL-2.0-or-later
"""
trace/generated-tracers.h
"""
__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>"
__copyright__ = "Copyright 2012-2017, Lluís Vilanova <vilanova@ac.upc.edu>"
__license__ = "GPL version 2 or (at your option) any later version"
__maintainer__ = "Stefan Hajnoczi"
__email__ = "stefanha@redhat.com"
from tracetool import out
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(),
'',
'#include "%s"' % header,
'')
for e in events:
out('extern TraceEvent %(event)s;',
event = e.api(e.QEMU_EVENT))
for e in events:
out('extern uint16_t %s;' % e.api(e.QEMU_DSTATE))
# static state
for e in events:
if 'disable' in e.properties:
enabled = 0
else:
enabled = 1
out('#define TRACE_%s_ENABLED %d' % (e.name.upper(), enabled))
backend.generate_begin(events, group)
for e in events:
# tracer-specific dstate
out('',
'#define %(api)s() ( \\',
api=e.api(e.QEMU_BACKEND_DSTATE))
if "disable" not in e.properties:
backend.generate_backend_dstate(e, group)
out(' false)')
out('',
'static inline void %(api)s(%(args)s)',
'{',
api=e.api(),
args=e.args)
if "disable" not in e.properties:
backend.generate(e, group, check_trace_event_get_state=False)
if backend.check_trace_event_get_state:
event_id = 'TRACE_' + e.name.upper()
cond = "trace_event_get_state(%s)" % event_id
out(' if (%(cond)s) {',
cond=cond)
backend.generate(e, group, check_trace_event_get_state=True)
out(' }')
out('}')
backend.generate_end(events, group)
out('#endif /* TRACE_%s_GENERATED_TRACERS_H */' % group.upper())
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