| #!/usr/bin/env python |
| # -*- coding: utf-8 -*- |
| |
| """ |
| Generate trace/generated-helpers.c. |
| """ |
| |
| __author__ = "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 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): |
| events = [e for e in events |
| if "disable" not in e.properties] |
| |
| out('/* This file is autogenerated by tracetool, do not edit. */', |
| '', |
| '#include "qemu/osdep.h"', |
| '#include "qemu-common.h"', |
| '#include "cpu.h"', |
| '#include "trace.h"', |
| '#include "exec/helper-proto.h"', |
| '', |
| ) |
| |
| for e in events: |
| if "tcg-exec" not in e.properties: |
| continue |
| |
| 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_api)s)', |
| '{', |
| ' %(name)s(%(args_call)s);', |
| '}', |
| name_tcg="helper_%s_proxy" % e.api(), |
| name=e.api(), |
| args_api=e_args_api, |
| args_call=", ".join(e_args_call.casted()), |
| ) |