diff options
Diffstat (limited to 'qemu/scripts/tracetool/format/tcg_helper_c.py')
| -rw-r--r-- | qemu/scripts/tracetool/format/tcg_helper_c.py | 46 |
1 files changed, 35 insertions, 11 deletions
diff --git a/qemu/scripts/tracetool/format/tcg_helper_c.py b/qemu/scripts/tracetool/format/tcg_helper_c.py index 96655a059..a089b0bf0 100644 --- a/qemu/scripts/tracetool/format/tcg_helper_c.py +++ b/qemu/scripts/tracetool/format/tcg_helper_c.py @@ -6,15 +6,38 @@ Generate trace/generated-helpers.c. """ __author__ = "Lluís Vilanova <vilanova@ac.upc.edu>" -__copyright__ = "Copyright 2012-2014, Lluís Vilanova <vilanova@ac.upc.edu>" +__copyright__ = "Copyright 2012-2016, 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 import Arguments, out from tracetool.transform import * +import tracetool.vcpu + + +def vcpu_transform_args(args, mode): + assert len(args) == 1 + # NOTE: this name must be kept in sync with the one in "tcg_h" + args = Arguments([(args.types()[0], "__tcg_" + args.names()[0])]) + if mode == "code": + return Arguments([ + # Does cast from helper requirements to tracing types + ("CPUState *", "ENV_GET_CPU(%s)" % args.names()[0]), + ]) + else: + args = Arguments([ + # NOTE: Current helper code uses TCGv_env (CPUArchState*) + ("CPUArchState *", args.names()[0]), + ]) + if mode == "header": + return args + elif mode == "wrapper": + return args.transform(HOST_2_TCG) + else: + assert False def generate(events, backend): @@ -23,6 +46,7 @@ def generate(events, backend): out('/* This file is autogenerated by tracetool, do not edit. */', '', + '#include "qemu/osdep.h"', '#include "qemu-common.h"', '#include "trace.h"', '#include "exec/helper-proto.h"', @@ -33,18 +57,18 @@ def generate(events, backend): if "tcg-exec" not in e.properties: continue - # tracetool.generate always transforms types to host - e_args = e.original.args - - values = ["(%s)%s" % (t, n) - for t, n in e.args.transform(TCG_2_TCG_HELPER_DEF)] + e_args_api = tracetool.vcpu.transform_args( + "tcg_helper_c", e.original, "header").transform( + HOST_2_TCG_COMPAT, TCG_2_TCG_HELPER_DEF) + e_args_call = tracetool.vcpu.transform_args( + "tcg_helper_c", e, "code") - out('void %(name_tcg)s(%(args)s)', + out('void %(name_tcg)s(%(args_api)s)', '{', - ' %(name)s(%(values)s);', + ' %(name)s(%(args_call)s);', '}', name_tcg="helper_%s_proxy" % e.api(), name=e.api(), - args=e_args.transform(HOST_2_TCG_COMPAT, TCG_2_TCG_HELPER_DEF), - values=", ".join(values), + args_api=e_args_api, + args_call=", ".join(e_args_call.casted()), ) |