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author | Lluís Vilanova <vilanova@ac.upc.edu> | 2014-05-30 14:11:50 +0200 |
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committer | Stefan Hajnoczi <stefanha@redhat.com> | 2014-08-12 14:26:12 +0100 |
commit | 707c8a98e4c42a559ad8d1ec0e77e28ffd666346 (patch) | |
tree | b26f404ae1c05bd4ae5e01e7ff7fbcfffafa7446 /scripts/tracetool | |
parent | b2b36c22bd8b14de34bd108daa96d89ba41fe8e7 (diff) | |
download | qemu-707c8a98e4c42a559ad8d1ec0e77e28ffd666346.zip qemu-707c8a98e4c42a559ad8d1ec0e77e28ffd666346.tar.gz qemu-707c8a98e4c42a559ad8d1ec0e77e28ffd666346.tar.bz2 |
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>
Diffstat (limited to 'scripts/tracetool')
-rw-r--r-- | scripts/tracetool/__init__.py | 1 | ||||
-rw-r--r-- | scripts/tracetool/format/tcg_helper_h.py | 50 |
2 files changed, 51 insertions, 0 deletions
diff --git a/scripts/tracetool/__init__.py b/scripts/tracetool/__init__.py index de48c80..a51e0f2 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 0000000..a8ba7ba --- /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 <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, + ) |