X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/559c8d89e5ac9f924f963c9a70fbe475a15641c2..14ff25fb4c95aac368592cd99a63856b9d23a718:/src/simix/simcalls.py diff --git a/src/simix/simcalls.py b/src/simix/simcalls.py deleted file mode 100755 index f2696f7338..0000000000 --- a/src/simix/simcalls.py +++ /dev/null @@ -1,395 +0,0 @@ -#!/usr/bin/env python3 -# -*- coding: utf-8 -*- - -# Copyright (c) 2014-2021. The SimGrid Team. All rights reserved. - -# This program is free software; you can redistribute it and/or modify it -# under the terms of the license (GNU LGPL) which comes with this package. - -import re -import glob -import sys - -class Arg(object): - - def __init__(self, name, thetype): - self.name = name - self.type = thetype - - def field(self): - return self.simcall_types[self.type] - - def rettype(self): - return self.type - - -class Simcall(object): - simcalls_body = None - simcalls_pre = None - - def __init__(self, name, handler, res, args, call_kind): - self.name = name - self.res = res - self.args = args - self.need_handler = handler - self.call_kind = call_kind - - def check(self): - # libsmx.c simcall_BODY_ - if self.simcalls_body is None: - f = open('libsmx.cpp') - self.simcalls_body = set(re.findall(r'simcall_BODY_(.*?)\(', f.read())) - f.close() - if self.name not in self.simcalls_body: - print ('# ERROR: No function calling simcall_BODY_%s' % self.name) - print ('# Add something like this to libsmx.c:') - print ('%s simcall_%s(%s)' % (self.res.rettype(), self.name, ', '. - join('%s %s' % (arg.rettype(), arg.name) for arg in self.args))) - print ('{') - print (' return simcall_BODY_%s(%s);' % (self.name, "...")) - print ('}') - return False - - # smx_*.c void simcall_HANDLER_host_on(smx_simcall_t simcall, - # smx_host_t h) - if self.simcalls_pre is None: - self.simcalls_pre = set() - for fn in glob.glob('smx_*') + glob.glob('../kernel/actor/ActorImpl*') + \ - glob.glob('../mc/*cpp') + glob.glob('../kernel/activity/*cpp'): - f = open(fn) - self.simcalls_pre |= set(re.findall(r'simcall_HANDLER_(.*?)\(', f.read())) - f.close() - if self.need_handler: - if self.name not in self.simcalls_pre: - print ('# ERROR: No function called simcall_HANDLER_%s' % self.name) - print ('# Add something like this to the relevant C file (like smx_io.c if it\'s an IO call):') - print ('%s simcall_HANDLER_%s(smx_simcall_t simcall%s)' % (self.res.rettype(), self.name, ''. - join(', %s %s' % (arg.rettype(), arg.name)for arg in self.args))) - print ('{') - print (' // Your code handling the simcall') - print ('}') - return False - else: - if self.name in self.simcalls_pre: - print ( - '# ERROR: You have a function called simcall_HANDLER_%s, but that simcall is not using any handler' % - self.name) - print ('# Either change your simcall definition, or kill that function') - return False - return True - - def enum(self): - return ' %s,' % (self.name.upper()) - - def string(self): - return ' "Simcall::%s",' % self.name.upper() - - def accessors(self): - res = [] - res.append('') - regex = re.compile(r"^boost::intrusive_ptr<(.*?)>(.*)$") # to compute the raw type - # Arguments getter/setters - for i in range(len(self.args)): - arg = self.args[i] - rawtype = regex.sub(r'\1*\2', arg.rettype()) - res.append('static inline %s simcall_%s__get__%s(smx_simcall_t simcall)' % ( - arg.rettype(), self.name, arg.name)) - res.append('{') - res.append(' return simgrid::simix::unmarshal<%s>(simcall->args_[%i]);' % (arg.rettype(), i)) - res.append('}') - res.append('static inline %s simcall_%s__getraw__%s(smx_simcall_t simcall)' % ( - rawtype, self.name, arg.name)) - res.append('{') - res.append(' return simgrid::simix::unmarshal_raw<%s>(simcall->args_[%i]);' % (rawtype, i)) - res.append('}') - res.append('static inline void simcall_%s__set__%s(smx_simcall_t simcall, %s arg)' % ( - self.name, arg.name, arg.rettype())) - res.append('{') - res.append(' simgrid::simix::marshal<%s>(simcall->args_[%i], arg);' % (arg.rettype(), i)) - res.append('}') - - # Return value getter/setters - if self.res.type != 'void': - rawtype = regex.sub(r'\1*\2', self.res.rettype()) - res.append( - 'static inline %s simcall_%s__get__result(smx_simcall_t simcall)' % (self.res.rettype(), self.name)) - res.append('{') - res.append(' return simgrid::simix::unmarshal<%s>(simcall->result_);' % self.res.rettype()) - res.append('}') - res.append('static inline %s simcall_%s__getraw__result(smx_simcall_t simcall)' % (rawtype, self.name)) - res.append('{') - res.append(' return simgrid::simix::unmarshal_raw<%s>(simcall->result_);' % rawtype) - res.append('}') - res.append( - 'static inline void simcall_%s__set__result(smx_simcall_t simcall, %s result)' % (self.name, self.res.rettype())) - res.append('{') - res.append(' simgrid::simix::marshal<%s>(simcall->result_, result);' % (self.res.rettype())) - res.append('}') - return '\n'.join(res) - - def case(self): - res = [] - indent = ' ' - args = ["simgrid::simix::unmarshal<%s>(simcall_.args_[%d])" % (arg.rettype(), i) - for i, arg in enumerate(self.args)] - res.append(indent + 'case Simcall::%s:' % (self.name.upper())) - if self.need_handler: - call = "simcall_HANDLER_%s(&simcall_%s%s)" % (self.name, - ", " if args else "", - ', '.join(args)) - else: - call = "SIMIX_%s(%s)" % (self.name, ', '.join(args)) - if self.call_kind == 'Func': - res.append(indent + " simgrid::simix::marshal<%s>(simcall_.result_, %s);" % (self.res.rettype(), call)) - else: - res.append(indent + " " + call + ";") - if self.call_kind != 'Blck': - res.append(indent + ' simcall_answer();') - res.append(indent + ' break;') - res.append('') - return '\n'.join(res) - - def body(self): - res = [''] - res.append( - 'inline static %s simcall_BODY_%s(%s)' % (self.res.rettype(), - self.name, - ', '.join('%s %s' % (arg.rettype(), arg.name) for arg in self.args))) - res.append('{') - res.append(' if (false) /* Go to that function to follow the code flow through the simcall barrier */') - if self.need_handler: - res.append(' simcall_HANDLER_%s(%s);' % (self.name, - ', '.join(["&SIMIX_process_self()->simcall_"] + [arg.name for arg in self.args]))) - else: - res.append(' SIMIX_%s(%s);' % (self.name, - ', '.join(arg.name for arg in self.args))) - res.append(' return simcall<%s%s>(Simcall::%s%s);' % ( - self.res.rettype(), - "".join([", " + arg.rettype() for i, arg in enumerate(self.args)]), - self.name.upper(), - "".join([", " + arg.name for i, arg in enumerate(self.args)]) - )) - res.append('}') - return '\n'.join(res) - - def handler_prototype(self): - if self.need_handler: - return "XBT_PRIVATE %s simcall_HANDLER_%s(smx_simcall_t simcall%s);" % (self.res.rettype() if self.call_kind == 'Func' else 'void', - self.name, - ''.join(', %s %s' % (arg.rettype(), arg.name) - for i, arg in enumerate(self.args))) - return "" - - -def parse(fn): - simcalls = [] - resdi = None - simcalls_guarded = {} - for line in open(fn).read().split('\n'): - if line.startswith('##'): - resdi = [] - simcalls_guarded[re.search(r'## *(.*)', line).group(1)] = resdi - if line.startswith('#') or not line: - continue - match = re.match( - r'^(\S+)\s+([^\)\(\s]+)\s*\(*(.*)\)\s*(\[\[.*\]\])?\s*;\s*?$', line) - if not match: - raise AssertionError(line) - ret, name, args, attrs = match.groups() - sargs = [] - if not re.match(r"^\s*$", args): - for arg in re.split(",", args): - args = args.strip() - match = re.match(r"^(.*?)\s*?(\S+)$", arg) - t, n = match.groups() - t = t.strip() - n = n.strip() - sargs.append(Arg(n, t)) - if ret == "void": - ans = "Proc" - else: - ans = "Func" - handler = True - if attrs: - attrs = attrs[2:-2] - for attr in re.split(",", attrs): - if attr == "block": - ans = "Blck" - elif attr == "nohandler": - handler = False - else: - raise AssertionError("Unknown attribute %s in: %s" % (attr, line)) - sim = Simcall(name, handler, Arg('result', ret), sargs, ans) - if resdi is None: - simcalls.append(sim) - else: - resdi.append(sim) - return simcalls, simcalls_guarded - - -def header(name): - fd = open(name, 'w') - fd.write('/**********************************************************************/\n') - fd.write('/* File generated by src/simix/simcalls.py from src/simix/simcalls.in */\n') - fd.write('/* */\n') - fd.write('/* DO NOT EVER CHANGE THIS FILE */\n') - fd.write('/* */\n') - fd.write('/* change simcalls specification in src/simix/simcalls.in */\n') - fd.write('/* Copyright (c) 2014-2021. The SimGrid Team. All rights reserved. */\n') - fd.write('/**********************************************************************/\n\n') - fd.write('/*\n') - fd.write(' * Note that the name comes from http://en.wikipedia.org/wiki/Popping\n') - fd.write(' * Indeed, the control flow is doing a strange dance in there.\n') - fd.write(' *\n') - fd.write(' * That\'s not about http://en.wikipedia.org/wiki/Poop, despite the odor :)\n') - fd.write(' */\n\n') - return fd - - -def handle(fd, func, simcalls, guarded_simcalls): - def nonempty(e): - return e != '' - fd.write('\n'.join(filter(nonempty, (func(simcall) for simcall in simcalls)))) - - for guard, ll in guarded_simcalls.items(): - fd.write('\n#if %s\n' % (guard)) - fd.write('\n'.join(func(simcall) for simcall in ll)) - fd.write('\n#endif') - - fd.write('\n') - -if __name__ == '__main__': - simcalls, simcalls_dict = parse('simcalls.in') - - ok = True - ok &= all(map(Simcall.check, simcalls)) - for k, v in simcalls_dict.items(): - ok &= all(map(Simcall.check, v)) - if not ok: - print ("Some checks fail!") - sys.exit(1) - - # - # popping_accessors.hpp - # - fd = header('popping_accessors.hpp') - fd.write('#include "src/simix/popping_private.hpp"') - handle(fd, Simcall.accessors, simcalls, simcalls_dict) - fd.write( - "\n/* The prototype of all simcall handlers, automatically generated for you */\n\n") - handle(fd, Simcall.handler_prototype, simcalls, simcalls_dict) - fd.close() - - # - # popping_enum.hpp - # - fd = header("popping_enum.hpp") - fd.write('namespace simgrid {\n') - fd.write('namespace simix {\n') - fd.write('/**\n') - fd.write(' * @brief All possible simcalls.\n') - fd.write(' */\n') - fd.write('enum class Simcall {\n') - fd.write(' NONE,\n') - - handle(fd, Simcall.enum, simcalls, simcalls_dict) - - fd.write('};\n') - fd.write('\n') - fd.write('constexpr int NUM_SIMCALLS = ' + str(1 + len(simcalls)) + ';\n') - fd.write('} // namespace simix\n') - fd.write('} // namespace simgrid\n') - fd.close() - - # - # popping_generated.cpp - # - - fd = header("popping_generated.cpp") - - fd.write('#include "smx_private.hpp"\n') - fd.write('#include \n') - fd.write('#include \n') - fd.write('#if SIMGRID_HAVE_MC\n') - fd.write('#include "src/mc/mc_forward.hpp"\n') - fd.write('#endif\n') - fd.write('#include "src/kernel/activity/ConditionVariableImpl.hpp"\n') - fd.write('#include "src/mc/checker/SimcallObserver.hpp"\n') - - fd.write('\n') - fd.write('XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_popping);\n\n') - - fd.write('using simgrid::simix::Simcall;') - fd.write('\n') - fd.write('/** @brief Simcalls\' names (generated from src/simix/simcalls.in) */\n') - fd.write('constexpr std::array simcall_names{{\n') - - fd.write(' "Simcall::NONE",\n') - handle(fd, Simcall.string, simcalls, simcalls_dict) - - fd.write('}};\n\n') - - fd.write('/** @private\n') - fd.write(' * @brief (in kernel mode) unpack the simcall and activate the handler\n') - fd.write(' *\n') - fd.write(' * This function is generated from src/simix/simcalls.in\n') - fd.write(' */\n') - fd.write('void simgrid::kernel::actor::ActorImpl::simcall_handle(int times_considered)\n') - fd.write('{\n') - fd.write(' XBT_DEBUG("Handling simcall %p: %s", &simcall_, SIMIX_simcall_name(simcall_.call_));\n') - fd.write(' simcall_.mc_value_ = times_considered;\n') - fd.write(' if (simcall_.observer_ != nullptr)\n') - fd.write(' simcall_.observer_->prepare(times_considered);\n') - - fd.write(' if (context_->wannadie())\n') - fd.write(' return;\n') - fd.write(' switch (simcall_.call_) {\n') - - handle(fd, Simcall.case, simcalls, simcalls_dict) - - fd.write(' case Simcall::NONE:\n') - fd.write(' throw std::invalid_argument(simgrid::xbt::string_printf("Asked to do the noop syscall on %s@%s",\n') - fd.write(' get_cname(),\n') - fd.write(' sg_host_get_name(get_host())));\n') - fd.write(' default:\n') - fd.write(' THROW_IMPOSSIBLE;\n') - fd.write(' }\n') - fd.write('}\n') - - fd.close() - - # - # popping_bodies.cpp - # - fd = header('popping_bodies.cpp') - fd.write('#include "smx_private.hpp"\n') - fd.write('#include "src/mc/mc_forward.hpp"\n') - fd.write('#include "xbt/ex.h"\n') - fd.write('#include \n') - fd.write('#include \n') - fd.write('#include \n') - - fd.write("/** @cond */ // Please Doxygen, don't look at this\n") - fd.write(''' -XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix); - -using simgrid::simix::Simcall; - -template -inline static R simcall(Simcall call, T const&... t) -{ - smx_actor_t self = SIMIX_process_self(); - simgrid::simix::marshal(&self->simcall_, call, t...); - if (self != simix_global->maestro_) { - XBT_DEBUG("Yield process '%s' on simcall %s (%d)", self->get_cname(), SIMIX_simcall_name(self->simcall_.call_), - (int)self->simcall_.call_); - self->yield(); - } else { - self->simcall_handle(0); - } - return simgrid::simix::unmarshal(self->simcall_.result_); -} -''') - handle(fd, Simcall.body, simcalls, simcalls_dict) - fd.write("/** @endcond */\n") - fd.close()