1# -*- coding: utf-8 -*- 2 3""" 4trace/generated-tracers.h 5""" 6 7__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>" 8__copyright__ = "Copyright 2012-2017, Lluís Vilanova <vilanova@ac.upc.edu>" 9__license__ = "GPL version 2 or (at your option) any later version" 10 11__maintainer__ = "Stefan Hajnoczi" 12__email__ = "stefanha@redhat.com" 13 14 15from tracetool import out 16 17 18def generate(events, backend, group): 19 header = "trace/control.h" 20 21 out('/* This file is autogenerated by tracetool, do not edit. */', 22 '', 23 '#ifndef TRACE_%s_GENERATED_TRACERS_H' % group.upper(), 24 '#define TRACE_%s_GENERATED_TRACERS_H' % group.upper(), 25 '', 26 '#include "%s"' % header, 27 '') 28 29 for e in events: 30 out('extern TraceEvent %(event)s;', 31 event = e.api(e.QEMU_EVENT)) 32 33 for e in events: 34 out('extern uint16_t %s;' % e.api(e.QEMU_DSTATE)) 35 36 # static state 37 for e in events: 38 if 'disable' in e.properties: 39 enabled = 0 40 else: 41 enabled = 1 42 if "tcg-exec" in e.properties: 43 # a single define for the two "sub-events" 44 out('#define TRACE_%(name)s_ENABLED %(enabled)d', 45 name=e.original.name.upper(), 46 enabled=enabled) 47 out('#define TRACE_%s_ENABLED %d' % (e.name.upper(), enabled)) 48 49 backend.generate_begin(events, group) 50 51 for e in events: 52 # tracer-specific dstate 53 out('', 54 '#define %(api)s() ( \\', 55 api=e.api(e.QEMU_BACKEND_DSTATE)) 56 57 if "disable" not in e.properties: 58 backend.generate_backend_dstate(e, group) 59 60 out(' false)') 61 62 # tracer without checks 63 out('', 64 'static inline void %(api)s(%(args)s)', 65 '{', 66 api=e.api(e.QEMU_TRACE_NOCHECK), 67 args=e.args) 68 69 if "disable" not in e.properties: 70 backend.generate(e, group) 71 72 out('}') 73 74 cond = "true" 75 76 out('', 77 'static inline void %(api)s(%(args)s)', 78 '{', 79 ' if (%(cond)s) {', 80 ' %(api_nocheck)s(%(names)s);', 81 ' }', 82 '}', 83 api=e.api(), 84 api_nocheck=e.api(e.QEMU_TRACE_NOCHECK), 85 args=e.args, 86 names=", ".join(e.args.names()), 87 cond=cond) 88 89 backend.generate_end(events, group) 90 91 out('#endif /* TRACE_%s_GENERATED_TRACERS_H */' % group.upper()) 92