qemu/scripts/tracetool/format/tcg_helper_h.py
Lluís Vilanova 707c8a98e4 trace: [tcg] Declare TCG tracing helper routines
Generates file "trace/generated-helpers.h" with TCG helper declarations to trace
events in guest code at execution time ('trace_${event}_exec_proxy').

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-08-12 14:26:12 +01:00

51 lines
1.3 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Generate trace/generated-helpers.h.
"""
__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>"
__copyright__ = "Copyright 2012-2014, Lluís Vilanova <vilanova@ac.upc.edu>"
__license__ = "GPL version 2 or (at your option) any later version"
__maintainer__ = "Stefan Hajnoczi"
__email__ = "stefanha@linux.vnet.ibm.com"
from tracetool import out
from tracetool.transform import *
def generate(events, backend):
events = [e for e in events
if "disable" not in e.properties]
out('/* This file is autogenerated by tracetool, do not edit. */',
'',
)
for e in events:
if "tcg-exec" not in e.properties:
continue
# tracetool.generate always transforms types to host
e_args = e.original.args
# TCG helper proxy declaration
fmt = "DEF_HELPER_FLAGS_%(argc)d(%(name)s, %(flags)svoid%(types)s)"
args = e_args.transform(HOST_2_TCG_COMPAT, HOST_2_TCG,
TCG_2_TCG_HELPER_DECL)
types = ", ".join(args.types())
if types != "":
types = ", " + types
flags = "TCG_CALL_NO_RWG, "
out(fmt,
flags=flags,
argc=len(args),
name=e.api() + "_proxy",
types=types,
)