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 2012-2016, 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 import tracetool.vcpu
  19
  20
  21 def generate(events, backend):
  22     events = [e for e in events
  23               if "disable" not in e.properties]
  24
  25     out('/* This file is autogenerated by tracetool, do not edit. */',
  26         '',
  27         )
  28
  29     for e in events:
  30         if "tcg-exec" not in e.properties:
  31             continue
  32
  33         # TCG helper proxy declaration
  34         fmt = "DEF_HELPER_FLAGS_%(argc)d(%(name)s, %(flags)svoid%(types)s)"
  35         e_args = tracetool.vcpu.transform_args("tcg_helper_c", e.original, "header")
  36         args = e_args.transform(HOST_2_TCG_COMPAT, HOST_2_TCG,
  37                                 TCG_2_TCG_HELPER_DECL)
  38         types = ", ".join(args.types())
  39         if types != "":
  40             types = ", " + types
  41
  42         flags = "TCG_CALL_NO_RWG, "
  43
  44         out(fmt,
  45             flags=flags,
  46             argc=len(args),
  47             name=e.api() + "_proxy",
  48             types=types,
  49             )