f4654226d4
Generates header "trace/generated-helpers-wrappers.h" with definitions for TCG
helper wrappers.
These wrappers ('gen_helper_trace_${event}_exec_wrapper') transform mixed native
and TCG argument types to TCG types and call the actual TCG helpers
('gen_helper_trace_${event}_exec_proxy').
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
71 lines
2 KiB
Python
71 lines
2 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Generate trace/generated-helpers-wrappers.h.
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"""
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__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>"
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__copyright__ = "Copyright 2012-2014, Lluís Vilanova <vilanova@ac.upc.edu>"
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__license__ = "GPL version 2 or (at your option) any later version"
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__maintainer__ = "Stefan Hajnoczi"
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__email__ = "stefanha@linux.vnet.ibm.com"
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from tracetool import out
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from tracetool.transform import *
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def generate(events, backend):
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events = [e for e in events
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if "disable" not in e.properties]
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out('/* This file is autogenerated by tracetool, do not edit. */',
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'',
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'#define tcg_temp_new_nop(v) (v)',
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'#define tcg_temp_free_nop(v)',
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'',
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)
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for e in events:
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if "tcg-exec" not in e.properties:
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continue
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# tracetool.generate always transforms types to host
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e_args = e.original.args
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# mixed-type to TCG helper bridge
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args_tcg_compat = e_args.transform(HOST_2_TCG_COMPAT)
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code_new = [
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"%(tcg_type)s __%(name)s = %(tcg_func)s(%(name)s);" %
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{"tcg_type": transform_type(type_, HOST_2_TCG),
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"tcg_func": transform_type(type_, HOST_2_TCG_TMP_NEW),
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"name": name}
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for (type_, name) in args_tcg_compat
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]
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code_free = [
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"%(tcg_func)s(__%(name)s);" %
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{"tcg_func": transform_type(type_, HOST_2_TCG_TMP_FREE),
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"name": name}
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for (type_, name) in args_tcg_compat
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]
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gen_name = "gen_helper_" + e.api()
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out('static inline void %(name)s(%(args)s)',
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'{',
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' %(code_new)s',
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' %(proxy_name)s(%(tmp_names)s);',
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' %(code_free)s',
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'}',
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name=gen_name,
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args=e_args,
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proxy_name=gen_name + "_proxy",
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code_new="\n ".join(code_new),
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code_free="\n ".join(code_free),
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tmp_names=", ".join(["__%s" % name for _, name in e_args]),
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)
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