X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a6c6d47c34f60557c93aa6f5f209e4b66528c3f1..a14791b7288177a49b6e8b06677d59faac0a175e:/src/simix/simcalls.py diff --git a/src/simix/simcalls.py b/src/simix/simcalls.py index 1e14a2a945..5d47f0fad4 100755 --- a/src/simix/simcalls.py +++ b/src/simix/simcalls.py @@ -1,19 +1,21 @@ -#!/usr/bin/env python +#!/usr/bin/env python3 # -*- coding: utf-8 -*- -# Copyright (c) 2014-2017. The SimGrid Team. All rights reserved. +# Copyright (c) 2014-2022. 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): +class Arg: def __init__(self, name, thetype): self.name = name self.type = thetype + self.simcall_types = [] def field(self): return self.simcall_types[self.type] @@ -21,9 +23,9 @@ class Arg(object): def rettype(self): return self.type -class Simcall(object): - simcalls_BODY = None - simcalls_PRE = None + +class Simcall: + simcalls_pre = None def __init__(self, name, handler, res, args, call_kind): self.name = name @@ -33,74 +35,58 @@ class Simcall(object): 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('ActorImpl*') + glob.glob('../mc/*cpp'): + 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())) + 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 ('}') + 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') + 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 ' SIMCALL_%s,' % (self.name.upper()) - def string(self): - return ' "SIMCALL_%s",' % self.name.upper() + return ' "Simcall::%s",' % self.name.upper() def accessors(self): res = [] res.append('') - regex = re.compile(r"^boost::intrusive_ptr<(.*?)>(.*)$") # to compute the raw type + 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] + for i, arg in enumerate(self.args): 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(' 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(' 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(' simgrid::simix::marshal<%s>(simcall->args_[%i], arg);' % (arg.rettype(), i)) res.append('}') # Return value getter/setters @@ -109,71 +95,43 @@ class Simcall(object): 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(' 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(' 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(' simgrid::simix::marshal<%s>(simcall->result_, result);' % (self.res.rettype())) res.append('}') return '\n'.join(res) def case(self): res = [] - args = [ "simgrid::simix::unmarshal<%s>(simcall->args[%d])" % (arg.rettype(), i) - for i, arg in enumerate(self.args) ] - res.append('case SIMCALL_%s:' % (self.name.upper())) + indent = ' ' + args = ["simcall_.code_"] + res.append(indent + 'case Simcall::%s:' % (self.name.upper())) if self.need_handler: - call = "simcall_HANDLER_%s(simcall%s%s)" % (self.name, - ", " if len(args) > 0 else "", - ', '.join(args)) + 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(" simgrid::simix::marshal<%s>(simcall->result, %s);" % (self.res.rettype(), call)) - else: - res.append(" " + call + ";"); + res.append(indent + " " + call + ";") if self.call_kind != 'Blck': - res.append(' SIMIX_simcall_answer(simcall);') - res.append(' break;') + 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 (0) /* 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, + return "XBT_PRIVATE void simcall_HANDLER_%s(smx_simcall_t simcall%s);" % (self.name, ''.join(', %s %s' % (arg.rettype(), arg.name) for i, arg in enumerate(self.args))) - else: - return "" + return "" def parse(fn): @@ -187,8 +145,9 @@ def parse(fn): if line.startswith('#') or not line: continue match = re.match( - r'^(\S+)\s+([^\)\(\s]+)\s*\(*(.*)\)\s*(\[\[.*\]\])?\s*;\s*?$', line) - assert match, line + 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): @@ -199,10 +158,9 @@ def parse(fn): t = t.strip() n = n.strip() sargs.append(Arg(n, t)) - if ret == "void": - ans = "Proc" - else: - ans = "Func" + if ret != "void": + raise Exception ("Func simcalls (ie, returning a value) not supported anymore") + ans = 'Proc' handler = True if attrs: attrs = attrs[2:-2] @@ -212,7 +170,7 @@ def parse(fn): elif attr == "nohandler": handler = False else: - assert False, "Unknown attribute %s in: %s" % (attr, line) + 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) @@ -223,30 +181,19 @@ def parse(fn): 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) 2014-2017. The SimGrid Team. All rights reserved. */\n') - fd.write( - '/**********************************************************************/\n\n') + 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) 2014-2022. 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(' * 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(' * That\'s not about http://en.wikipedia.org/wiki/Poop, despite the odor :)\n') fd.write(' */\n\n') return fd @@ -259,129 +206,21 @@ def handle(fd, func, simcalls, guarded_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\n') + fd.write('\n#endif') -if __name__ == '__main__': + fd.write('\n') + +def main(): simcalls, simcalls_dict = parse('simcalls.in') ok = True ok &= all(map(Simcall.check, simcalls)) - for k, v in simcalls_dict.items(): + for _k, v in simcalls_dict.items(): ok &= all(map(Simcall.check, v)) - # FIXME: we should not hide it - # 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\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.h - # - fd = header("popping_enum.h") - fd.write('/**\n') - fd.write(' * @brief All possible simcalls.\n') - fd.write(' */\n') - fd.write('typedef enum {\n') - fd.write(' SIMCALL_NONE,\n') + if not ok: + print("Some checks fail!") + sys.exit(1) - handle(fd, Simcall.enum, simcalls, simcalls_dict) - fd.write(' NUM_SIMCALLS\n') - fd.write('} e_smx_simcall_t;\n') - fd.close() - - # - # popping_generated.cpp - # - - fd = header("popping_generated.cpp") - - fd.write('#include "smx_private.hpp"\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('\n') - fd.write('XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_popping);\n\n') - - fd.write( - '/** @brief Simcalls\' names (generated from src/simix/simcalls.in) */\n') - fd.write('const char* simcall_names[] = {\n') - - fd.write(' "SIMCALL_NONE",\n') - handle(fd, Simcall.string, simcalls, simcalls_dict) - - fd.write('\n};\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 SIMIX_simcall_handle(smx_simcall_t simcall, int value) {\n') - fd.write( - ' XBT_DEBUG("Handling simcall %p: %s", simcall, SIMIX_simcall_name(simcall->call));\n') - fd.write(' SIMCALL_SET_MC_VALUE(simcall, value);\n') - fd.write( - ' if (simcall->issuer->context->iwannadie && simcall->call != SIMCALL_PROCESS_CLEANUP)\n') - fd.write(' return;\n') - fd.write(' switch (simcall->call) {\n') - - handle(fd, Simcall.case, simcalls, simcalls_dict) - - fd.write(' case NUM_SIMCALLS:\n') - fd.write(' break;\n') - fd.write(' case SIMCALL_NONE:\n') - fd.write(' THROWF(arg_error,0,"Asked to do the noop syscall on %s@%s",\n') - fd.write(' simcall->issuer->name.c_str(),\n') - fd.write(' sg_host_get_name(simcall->issuer->host)\n') - fd.write(' );\n') - fd.write(' break;\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("/** @cond */ // Please Doxygen, don't look at this\n") - fd.write(''' -template -inline static R simcall(e_smx_simcall_t call, T const&... t) -{ - smx_actor_t self = SIMIX_process_self(); - simgrid::simix::marshal(&self->simcall, call, t...); - if (self != simix_global->maestro_process) { - XBT_DEBUG("Yield process '%s' on simcall %s (%d)", self->name.c_str(), - SIMIX_simcall_name(self->simcall.call), (int)self->simcall.call); - SIMIX_process_yield(self); - } else { - SIMIX_simcall_handle(&self->simcall, 0); - } - return simgrid::simix::unmarshal(self->simcall.result); -} -''') - handle(fd, Simcall.body, simcalls, simcalls_dict) - fd.write(" /** @endcond */\n"); - fd.close() +if __name__ == '__main__': + main()