From 707c8a98e4c42a559ad8d1ec0e77e28ffd666346 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Llu=C3=ADs=20Vilanova?= Date: Fri, 30 May 2014 14:11:50 +0200 Subject: trace: [tcg] Declare TCG tracing helper routines MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Stefan Hajnoczi --- scripts/tracetool/__init__.py | 1 + scripts/tracetool/format/tcg_helper_h.py | 50 ++++++++++++++++++++++++++++++++ 2 files changed, 51 insertions(+) create mode 100644 scripts/tracetool/format/tcg_helper_h.py (limited to 'scripts') diff --git a/scripts/tracetool/__init__.py b/scripts/tracetool/__init__.py index de48c80c13..a51e0f24d7 100644 --- a/scripts/tracetool/__init__.py +++ b/scripts/tracetool/__init__.py @@ -227,6 +227,7 @@ class Event(object): fmt) QEMU_TRACE = "trace_%(name)s" + QEMU_TRACE_TCG = QEMU_TRACE + "_tcg" def api(self, fmt=None): if fmt is None: diff --git a/scripts/tracetool/format/tcg_helper_h.py b/scripts/tracetool/format/tcg_helper_h.py new file mode 100644 index 0000000000..a8ba7ba8e3 --- /dev/null +++ b/scripts/tracetool/format/tcg_helper_h.py @@ -0,0 +1,50 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +""" +Generate trace/generated-helpers.h. +""" + +__author__ = "Lluís Vilanova " +__copyright__ = "Copyright 2012-2014, Lluís Vilanova " +__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, + ) -- cgit v1.2.1