qemu/scripts/tracetool/format/tcg_helper_h.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 """
   5 Generate trace/generated-helpers.h.
   6 """
   7
   8 __author__     = "Lluís Vilanova <vilanova@ac.upc.edu>"
   9 __copyright__  = "Copyright 2012-2014, Lluís Vilanova <vilanova@ac.upc.edu>"
  10 __license__    = "GPL version 2 or (at your option) any later version"
  11
  12 __maintainer__ = "Stefan Hajnoczi"
  13 __email__      = "stefanha@linux.vnet.ibm.com"
  14
  15
  16 from tracetool import out
  17 from tracetool.transform import *
  18
  19
  20 def generate(events, backend):
  21     events = [e for e in events
  22               if "disable" not in e.properties]
  23
  24     out('/* This file is autogenerated by tracetool, do not edit. */',
  25         '',
  26         )
  27
  28     for e in events:
  29         if "tcg-exec" not in e.properties:
  30             continue
  31
  32         # tracetool.generate always transforms types to host
  33         e_args = e.original.args
  34
  35         # TCG helper proxy declaration
  36         fmt = "DEF_HELPER_FLAGS_%(argc)d(%(name)s, %(flags)svoid%(types)s)"
  37         args = e_args.transform(HOST_2_TCG_COMPAT, HOST_2_TCG,
  38                                 TCG_2_TCG_HELPER_DECL)
  39         types = ", ".join(args.types())
  40         if types != "":
  41             types = ", " + types
  42
  43         flags = "TCG_CALL_NO_RWG, "
  44
  45         out(fmt,
  46             flags=flags,
  47             argc=len(args),
  48             name=e.api() + "_proxy",
  49             types=types,
  50             )