scripts/tracetool/format/tcg_helper_c.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 """
   5 Generate trace/generated-helpers.c.
   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         '#include "qemu-common.h"',
  27         '#include "trace.h"',
  28         '#include "exec/helper-proto.h"',
  29         '',
  30         )
  31
  32     for e in events:
  33         if "tcg-exec" not in e.properties:
  34             continue
  35
  36         # tracetool.generate always transforms types to host
  37         e_args = e.original.args
  38
  39         values = ["(%s)%s" % (t, n)
  40                   for t, n in e.args.transform(TCG_2_TCG_HELPER_DEF)]
  41
  42         out('void %(name_tcg)s(%(args)s)',
  43             '{',
  44             '    %(name)s(%(values)s);',
  45             '}',
  46             name_tcg="helper_%s_proxy" % e.api(),
  47             name=e.api(),
  48             args=e_args.transform(HOST_2_TCG_COMPAT, TCG_2_TCG_HELPER_DEF),
  49             values=", ".join(values),
  50             )