53 54######################################################################## 55# Code for adding source files of various types 56# 57class SourceMeta(type): 58 def __init__(cls, name, bases, dict): 59 super(SourceMeta, cls).__init__(name, bases, dict) 60 cls.all = [] 61 62 def get(cls, **kwargs): 63 for src in cls.all: 64 for attr,value in kwargs.iteritems(): 65 if getattr(src, attr) != value: 66 break 67 else: 68 yield src 69 70class SourceFile(object): 71 __metaclass__ = SourceMeta 72 def __init__(self, source): 73 tnode = source 74 if not isinstance(source, SCons.Node.FS.File): 75 tnode = File(source) 76 77 self.tnode = tnode 78 self.snode = tnode.srcnode() 79 self.filename = str(tnode) 80 self.dirname = dirname(self.filename) 81 self.basename = basename(self.filename) 82 index = self.basename.rfind('.') 83 if index <= 0: 84 # dot files aren't extensions 85 self.extname = self.basename, None 86 else: 87 self.extname = self.basename[:index], self.basename[index+1:] 88 89 for base in type(self).__mro__: 90 if issubclass(base, SourceFile): 91 bisect.insort_right(base.all, self) 92 93 def __lt__(self, other): return self.filename < other.filename 94 def __le__(self, other): return self.filename <= other.filename 95 def __gt__(self, other): return self.filename > other.filename 96 def __ge__(self, other): return self.filename >= other.filename 97 def __eq__(self, other): return self.filename == other.filename 98 def __ne__(self, other): return self.filename != other.filename 99 100class Source(SourceFile): 101 '''Add a c/c++ source file to the build''' 102 def __init__(self, source, Werror=True, swig=False, bin_only=False, 103 skip_lib=False): 104 super(Source, self).__init__(source) 105 106 self.Werror = Werror 107 self.swig = swig 108 self.bin_only = bin_only 109 self.skip_lib = bin_only or skip_lib 110 111class PySource(SourceFile): 112 '''Add a python source file to the named package''' 113 invalid_sym_char = re.compile('[^A-z0-9_]') 114 modules = {} 115 tnodes = {} 116 symnames = {} 117 118 def __init__(self, package, source): 119 super(PySource, self).__init__(source) 120 121 modname,ext = self.extname 122 assert ext == 'py' 123 124 if package: 125 path = package.split('.') 126 else: 127 path = [] 128 129 modpath = path[:] 130 if modname != '__init__': 131 modpath += [ modname ] 132 modpath = '.'.join(modpath) 133 134 arcpath = path + [ self.basename ] 135 debugname = self.snode.abspath 136 if not exists(debugname): 137 debugname = self.tnode.abspath 138 139 self.package = package 140 self.modname = modname 141 self.modpath = modpath 142 self.arcname = joinpath(*arcpath) 143 self.debugname = debugname 144 self.compiled = File(self.filename + 'c') 145 self.assembly = File(self.filename + '.s') 146 self.symname = "PyEMB_" + PySource.invalid_sym_char.sub('_', modpath) 147 148 PySource.modules[modpath] = self 149 PySource.tnodes[self.tnode] = self 150 PySource.symnames[self.symname] = self 151 152class SimObject(PySource): 153 '''Add a SimObject python file as a python source object and add 154 it to a list of sim object modules''' 155 156 fixed = False 157 modnames = [] 158 159 def __init__(self, source): 160 super(SimObject, self).__init__('m5.objects', source) 161 if self.fixed: 162 raise AttributeError, "Too late to call SimObject now." 163 164 bisect.insort_right(SimObject.modnames, self.modname) 165 166class SwigSource(SourceFile): 167 '''Add a swig file to build''' 168 169 def __init__(self, package, source): 170 super(SwigSource, self).__init__(source) 171 172 modname,ext = self.extname 173 assert ext == 'i' 174 175 self.module = modname 176 cc_file = joinpath(self.dirname, modname + '_wrap.cc') 177 py_file = joinpath(self.dirname, modname + '.py') 178 179 self.cc_source = Source(cc_file, swig=True) 180 self.py_source = PySource(package, py_file) 181 182unit_tests = [] 183def UnitTest(target, sources): 184 if not isinstance(sources, (list, tuple)): 185 sources = [ sources ] 186 187 sources = [ Source(src, skip_lib=True) for src in sources ] 188 unit_tests.append((target, sources)) 189 190# Children should have access 191Export('Source') 192Export('PySource') 193Export('SimObject') 194Export('SwigSource') 195Export('UnitTest') 196 197######################################################################## 198# 199# Trace Flags 200# 201trace_flags = {} 202def TraceFlag(name, desc=None): 203 if name in trace_flags: 204 raise AttributeError, "Flag %s already specified" % name 205 trace_flags[name] = (name, (), desc) 206 207def CompoundFlag(name, flags, desc=None): 208 if name in trace_flags: 209 raise AttributeError, "Flag %s already specified" % name 210 211 compound = tuple(flags) 212 trace_flags[name] = (name, compound, desc) 213 214Export('TraceFlag') 215Export('CompoundFlag') 216 217######################################################################## 218# 219# Set some compiler variables 220# 221 222# Include file paths are rooted in this directory. SCons will 223# automatically expand '.' to refer to both the source directory and 224# the corresponding build directory to pick up generated include 225# files. 226env.Append(CPPPATH=Dir('.')) 227 228for extra_dir in extras_dir_list: 229 env.Append(CPPPATH=Dir(extra_dir)) 230 231# Add a flag defining what THE_ISA should be for all compilation 232env.Append(CPPDEFINES=[('THE_ISA','%s_ISA' % env['TARGET_ISA'].upper())]) 233 234# Workaround for bug in SCons version > 0.97d20071212 235# Scons bug id: 2006 M5 Bug id: 308 236for root, dirs, files in os.walk(base_dir, topdown=True): 237 Dir(root[len(base_dir) + 1:]) 238 239######################################################################## 240# 241# Walk the tree and execute all SConscripts in subdirectories 242# 243 244here = Dir('.').srcnode().abspath 245for root, dirs, files in os.walk(base_dir, topdown=True): 246 if root == here: 247 # we don't want to recurse back into this SConscript 248 continue 249 250 if 'SConscript' in files: 251 build_dir = joinpath(env['BUILDDIR'], root[len(base_dir) + 1:]) 252 SConscript(joinpath(root, 'SConscript'), build_dir=build_dir) 253 254for extra_dir in extras_dir_list: 255 prefix_len = len(dirname(extra_dir)) + 1 256 for root, dirs, files in os.walk(extra_dir, topdown=True): 257 if 'SConscript' in files: 258 build_dir = joinpath(env['BUILDDIR'], root[prefix_len:]) 259 SConscript(joinpath(root, 'SConscript'), build_dir=build_dir) 260 261for opt in export_vars: 262 env.ConfigFile(opt) 263 264######################################################################## 265# 266# Prevent any SimObjects from being added after this point, they 267# should all have been added in the SConscripts above 268#
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398defines_info = [ Value(build_env), Value(env['HG_INFO']) ] 399# Generate a file with all of the compile options in it 400env.Command('python/m5/defines.py', defines_info, makeDefinesPyFile) 401PySource('m5', 'python/m5/defines.py') 402 403# Generate python file containing info about the M5 source code 404def makeInfoPyFile(target, source, env): 405 f = file(str(target[0]), 'w') 406 for src in source: 407 data = ''.join(file(src.srcnode().abspath, 'r').xreadlines()) 408 print >>f, "%s = %s" % (src, repr(data)) 409 f.close() 410 411# Generate a file that wraps the basic top level files 412env.Command('python/m5/info.py', 413 [ '#/AUTHORS', '#/LICENSE', '#/README', '#/RELEASE_NOTES' ], 414 makeInfoPyFile) 415PySource('m5', 'python/m5/info.py') 416 417# Generate the __init__.py file for m5.objects 418def makeObjectsInitFile(target, source, env): 419 f = file(str(target[0]), 'w') 420 print >>f, 'from params import *' 421 print >>f, 'from m5.SimObject import *' 422 for module in source: 423 print >>f, 'from %s import *' % module.get_contents() 424 f.close() 425 426# Generate an __init__.py file for the objects package 427env.Command('python/m5/objects/__init__.py', 428 map(Value, SimObject.modnames), 429 makeObjectsInitFile) 430PySource('m5.objects', 'python/m5/objects/__init__.py') 431 432######################################################################## 433# 434# Create all of the SimObject param headers and enum headers 435# 436 437def createSimObjectParam(target, source, env): 438 assert len(target) == 1 and len(source) == 1 439 440 hh_file = file(target[0].abspath, 'w') 441 name = str(source[0].get_contents()) 442 obj = sim_objects[name] 443 444 print >>hh_file, obj.cxx_decl() 445 hh_file.close() 446 447def createSwigParam(target, source, env): 448 assert len(target) == 1 and len(source) == 1 449 450 i_file = file(target[0].abspath, 'w') 451 name = str(source[0].get_contents()) 452 param = all_params[name] 453 454 for line in param.swig_decl(): 455 print >>i_file, line 456 i_file.close() 457 458def createEnumStrings(target, source, env): 459 assert len(target) == 1 and len(source) == 1 460 461 cc_file = file(target[0].abspath, 'w') 462 name = str(source[0].get_contents()) 463 obj = all_enums[name] 464 465 print >>cc_file, obj.cxx_def() 466 cc_file.close() 467 468def createEnumParam(target, source, env): 469 assert len(target) == 1 and len(source) == 1 470 471 hh_file = file(target[0].abspath, 'w') 472 name = str(source[0].get_contents()) 473 obj = all_enums[name] 474 475 print >>hh_file, obj.cxx_decl() 476 hh_file.close() 477 478# Generate all of the SimObject param struct header files 479params_hh_files = [] 480for name,simobj in sorted(sim_objects.iteritems()): 481 py_source = PySource.modules[simobj.__module__] 482 extra_deps = [ py_source.tnode ] 483 484 hh_file = File('params/%s.hh' % name) 485 params_hh_files.append(hh_file) 486 env.Command(hh_file, Value(name), createSimObjectParam) 487 env.Depends(hh_file, depends + extra_deps) 488 489# Generate any parameter header files needed 490params_i_files = [] 491for name,param in all_params.iteritems(): 492 if isinstance(param, m5.params.VectorParamDesc): 493 ext = 'vptype' 494 else: 495 ext = 'ptype' 496 497 i_file = File('params/%s_%s.i' % (name, ext)) 498 params_i_files.append(i_file) 499 env.Command(i_file, Value(name), createSwigParam) 500 env.Depends(i_file, depends) 501 502# Generate all enum header files 503for name,enum in sorted(all_enums.iteritems()): 504 py_source = PySource.modules[enum.__module__] 505 extra_deps = [ py_source.tnode ] 506 507 cc_file = File('enums/%s.cc' % name) 508 env.Command(cc_file, Value(name), createEnumStrings) 509 env.Depends(cc_file, depends + extra_deps) 510 Source(cc_file) 511 512 hh_file = File('enums/%s.hh' % name) 513 env.Command(hh_file, Value(name), createEnumParam) 514 env.Depends(hh_file, depends + extra_deps) 515 516# Build the big monolithic swigged params module (wraps all SimObject 517# param structs and enum structs) 518def buildParams(target, source, env): 519 names = [ s.get_contents() for s in source ] 520 objs = [ sim_objects[name] for name in names ] 521 out = file(target[0].abspath, 'w') 522 523 ordered_objs = [] 524 obj_seen = set() 525 def order_obj(obj): 526 name = str(obj) 527 if name in obj_seen: 528 return 529 530 obj_seen.add(name) 531 if str(obj) != 'SimObject': 532 order_obj(obj.__bases__[0]) 533 534 ordered_objs.append(obj) 535 536 for obj in objs: 537 order_obj(obj) 538 539 enums = set() 540 predecls = [] 541 pd_seen = set() 542 543 def add_pds(*pds): 544 for pd in pds: 545 if pd not in pd_seen: 546 predecls.append(pd) 547 pd_seen.add(pd) 548 549 for obj in ordered_objs: 550 params = obj._params.local.values() 551 for param in params: 552 ptype = param.ptype 553 if issubclass(ptype, m5.params.Enum): 554 if ptype not in enums: 555 enums.add(ptype) 556 pds = param.swig_predecls() 557 if isinstance(pds, (list, tuple)): 558 add_pds(*pds) 559 else: 560 add_pds(pds) 561 562 print >>out, '%module params' 563 564 print >>out, '%{' 565 for obj in ordered_objs: 566 print >>out, '#include "params/%s.hh"' % obj 567 print >>out, '%}' 568 569 for pd in predecls: 570 print >>out, pd 571 572 enums = list(enums) 573 enums.sort() 574 for enum in enums: 575 print >>out, '%%include "enums/%s.hh"' % enum.__name__ 576 print >>out 577 578 for obj in ordered_objs: 579 if obj.swig_objdecls: 580 for decl in obj.swig_objdecls: 581 print >>out, decl 582 continue 583 584 class_path = obj.cxx_class.split('::') 585 classname = class_path[-1] 586 namespaces = class_path[:-1] 587 namespaces.reverse() 588 589 code = '' 590 591 if namespaces: 592 code += '// avoid name conflicts\n' 593 sep_string = '_COLONS_' 594 flat_name = sep_string.join(class_path) 595 code += '%%rename(%s) %s;\n' % (flat_name, classname) 596 597 code += '// stop swig from creating/wrapping default ctor/dtor\n' 598 code += '%%nodefault %s;\n' % classname 599 code += 'class %s ' % classname 600 if obj._base: 601 code += ': public %s' % obj._base.cxx_class 602 code += ' {};\n' 603 604 for ns in namespaces: 605 new_code = 'namespace %s {\n' % ns 606 new_code += code 607 new_code += '}\n' 608 code = new_code 609 610 print >>out, code 611 612 print >>out, '%%include "src/sim/sim_object_params.hh"' % obj 613 for obj in ordered_objs: 614 print >>out, '%%include "params/%s.hh"' % obj 615 616params_file = File('params/params.i') 617names = sorted(sim_objects.keys()) 618env.Command(params_file, map(Value, names), buildParams) 619env.Depends(params_file, params_hh_files + params_i_files + depends) 620SwigSource('m5.objects', params_file) 621 622# Build all swig modules 623for swig in SwigSource.all: 624 env.Command([swig.cc_source.tnode, swig.py_source.tnode], swig.tnode, 625 '$SWIG $SWIGFLAGS -outdir ${TARGETS[1].dir} ' 626 '-o ${TARGETS[0]} $SOURCES') 627 env.Depends(swig.py_source.tnode, swig.tnode) 628 env.Depends(swig.cc_source.tnode, swig.tnode) 629 630# Generate the main swig init file 631def makeSwigInit(target, source, env): 632 f = file(str(target[0]), 'w') 633 print >>f, 'extern "C" {' 634 for module in source: 635 print >>f, ' void init_%s();' % module.get_contents() 636 print >>f, '}' 637 print >>f, 'void initSwig() {' 638 for module in source: 639 print >>f, ' init_%s();' % module.get_contents() 640 print >>f, '}' 641 f.close() 642 643env.Command('python/swig/init.cc', 644 map(Value, sorted(s.module for s in SwigSource.all)), 645 makeSwigInit) 646Source('python/swig/init.cc') 647 648def getFlags(source_flags): 649 flagsMap = {} 650 flagsList = [] 651 for s in source_flags: 652 val = eval(s.get_contents()) 653 name, compound, desc = val 654 flagsList.append(val) 655 flagsMap[name] = bool(compound) 656 657 for name, compound, desc in flagsList: 658 for flag in compound: 659 if flag not in flagsMap: 660 raise AttributeError, "Trace flag %s not found" % flag 661 if flagsMap[flag]: 662 raise AttributeError, \ 663 "Compound flag can't point to another compound flag" 664 665 flagsList.sort() 666 return flagsList 667 668 669# Generate traceflags.py 670def traceFlagsPy(target, source, env): 671 assert(len(target) == 1) 672 673 f = file(str(target[0]), 'w') 674 675 allFlags = getFlags(source) 676 677 print >>f, 'basic = [' 678 for flag, compound, desc in allFlags: 679 if not compound: 680 print >>f, " '%s'," % flag 681 print >>f, " ]" 682 print >>f 683 684 print >>f, 'compound = [' 685 print >>f, " 'All'," 686 for flag, compound, desc in allFlags: 687 if compound: 688 print >>f, " '%s'," % flag 689 print >>f, " ]" 690 print >>f 691 692 print >>f, "all = frozenset(basic + compound)" 693 print >>f 694 695 print >>f, 'compoundMap = {' 696 all = tuple([flag for flag,compound,desc in allFlags if not compound]) 697 print >>f, " 'All' : %s," % (all, ) 698 for flag, compound, desc in allFlags: 699 if compound: 700 print >>f, " '%s' : %s," % (flag, compound) 701 print >>f, " }" 702 print >>f 703 704 print >>f, 'descriptions = {' 705 print >>f, " 'All' : 'All flags'," 706 for flag, compound, desc in allFlags: 707 print >>f, " '%s' : '%s'," % (flag, desc) 708 print >>f, " }" 709 710 f.close() 711 712def traceFlagsCC(target, source, env): 713 assert(len(target) == 1) 714 715 f = file(str(target[0]), 'w') 716 717 allFlags = getFlags(source) 718 719 # file header 720 print >>f, ''' 721/* 722 * DO NOT EDIT THIS FILE! Automatically generated 723 */ 724 725#include "base/traceflags.hh" 726 727using namespace Trace; 728 729const char *Trace::flagStrings[] = 730{''' 731 732 # The string array is used by SimpleEnumParam to map the strings 733 # provided by the user to enum values. 734 for flag, compound, desc in allFlags: 735 if not compound: 736 print >>f, ' "%s",' % flag 737 738 print >>f, ' "All",' 739 for flag, compound, desc in allFlags: 740 if compound: 741 print >>f, ' "%s",' % flag 742 743 print >>f, '};' 744 print >>f 745 print >>f, 'const int Trace::numFlagStrings = %d;' % (len(allFlags) + 1) 746 print >>f 747 748 # 749 # Now define the individual compound flag arrays. There is an array 750 # for each compound flag listing the component base flags. 751 # 752 all = tuple([flag for flag,compound,desc in allFlags if not compound]) 753 print >>f, 'static const Flags AllMap[] = {' 754 for flag, compound, desc in allFlags: 755 if not compound: 756 print >>f, " %s," % flag 757 print >>f, '};' 758 print >>f 759 760 for flag, compound, desc in allFlags: 761 if not compound: 762 continue 763 print >>f, 'static const Flags %sMap[] = {' % flag 764 for flag in compound: 765 print >>f, " %s," % flag 766 print >>f, " (Flags)-1" 767 print >>f, '};' 768 print >>f 769 770 # 771 # Finally the compoundFlags[] array maps the compound flags 772 # to their individual arrays/ 773 # 774 print >>f, 'const Flags *Trace::compoundFlags[] =' 775 print >>f, '{' 776 print >>f, ' AllMap,' 777 for flag, compound, desc in allFlags: 778 if compound: 779 print >>f, ' %sMap,' % flag 780 # file trailer 781 print >>f, '};' 782 783 f.close() 784 785def traceFlagsHH(target, source, env): 786 assert(len(target) == 1) 787 788 f = file(str(target[0]), 'w') 789 790 allFlags = getFlags(source) 791 792 # file header boilerplate 793 print >>f, ''' 794/* 795 * DO NOT EDIT THIS FILE! 796 * 797 * Automatically generated from traceflags.py 798 */ 799 800#ifndef __BASE_TRACE_FLAGS_HH__ 801#define __BASE_TRACE_FLAGS_HH__ 802 803namespace Trace { 804 805enum Flags {''' 806 807 # Generate the enum. Base flags come first, then compound flags. 808 idx = 0 809 for flag, compound, desc in allFlags: 810 if not compound: 811 print >>f, ' %s = %d,' % (flag, idx) 812 idx += 1 813 814 numBaseFlags = idx 815 print >>f, ' NumFlags = %d,' % idx 816 817 # put a comment in here to separate base from compound flags 818 print >>f, ''' 819// The remaining enum values are *not* valid indices for Trace::flags. 820// They are "compound" flags, which correspond to sets of base 821// flags, and are used by changeFlag.''' 822 823 print >>f, ' All = %d,' % idx 824 idx += 1 825 for flag, compound, desc in allFlags: 826 if compound: 827 print >>f, ' %s = %d,' % (flag, idx) 828 idx += 1 829 830 numCompoundFlags = idx - numBaseFlags 831 print >>f, ' NumCompoundFlags = %d' % numCompoundFlags 832 833 # trailer boilerplate 834 print >>f, '''\ 835}; // enum Flags 836 837// Array of strings for SimpleEnumParam 838extern const char *flagStrings[]; 839extern const int numFlagStrings; 840 841// Array of arraay pointers: for each compound flag, gives the list of 842// base flags to set. Inidividual flag arrays are terminated by -1. 843extern const Flags *compoundFlags[]; 844 845/* namespace Trace */ } 846 847#endif // __BASE_TRACE_FLAGS_HH__ 848''' 849 850 f.close() 851 852flags = map(Value, trace_flags.values()) 853env.Command('base/traceflags.py', flags, traceFlagsPy) 854PySource('m5', 'base/traceflags.py') 855 856env.Command('base/traceflags.hh', flags, traceFlagsHH) 857env.Command('base/traceflags.cc', flags, traceFlagsCC) 858Source('base/traceflags.cc') 859 860# embed python files. All .py files that have been indicated by a 861# PySource() call in a SConscript need to be embedded into the M5 862# library. To do that, we compile the file to byte code, marshal the 863# byte code, compress it, and then generate an assembly file that 864# inserts the result into the data section with symbols indicating the 865# beginning, and end (and with the size at the end) 866def objectifyPyFile(target, source, env): 867 '''Action function to compile a .py into a code object, marshal 868 it, compress it, and stick it into an asm file so the code appears 869 as just bytes with a label in the data section''' 870 871 src = file(str(source[0]), 'r').read() 872 dst = file(str(target[0]), 'w') 873 874 pysource = PySource.tnodes[source[0]] 875 compiled = compile(src, pysource.debugname, 'exec') 876 marshalled = marshal.dumps(compiled) 877 compressed = zlib.compress(marshalled) 878 data = compressed 879 880 # Some C/C++ compilers prepend an underscore to global symbol 881 # names, so if they're going to do that, we need to prepend that 882 # leading underscore to globals in the assembly file. 883 if env['LEADING_UNDERSCORE']: 884 sym = '_' + pysource.symname 885 else: 886 sym = pysource.symname 887 888 step = 16 889 print >>dst, ".data" 890 print >>dst, ".globl %s_beg" % sym 891 print >>dst, ".globl %s_end" % sym 892 print >>dst, "%s_beg:" % sym 893 for i in xrange(0, len(data), step): 894 x = array.array('B', data[i:i+step]) 895 print >>dst, ".byte", ','.join([str(d) for d in x]) 896 print >>dst, "%s_end:" % sym 897 print >>dst, ".long %d" % len(marshalled) 898 899for source in PySource.all: 900 env.Command(source.assembly, source.tnode, objectifyPyFile) 901 Source(source.assembly) 902 903# Generate init_python.cc which creates a bunch of EmbeddedPyModule 904# structs that describe the embedded python code. One such struct 905# contains information about the importer that python uses to get at 906# the embedded files, and then there's a list of all of the rest that 907# the importer uses to load the rest on demand. 908def pythonInit(target, source, env): 909 dst = file(str(target[0]), 'w') 910 911 def dump_mod(sym, endchar=','): 912 pysource = PySource.symnames[sym] 913 print >>dst, ' { "%s",' % pysource.arcname 914 print >>dst, ' "%s",' % pysource.modpath 915 print >>dst, ' %s_beg, %s_end,' % (sym, sym) 916 print >>dst, ' %s_end - %s_beg,' % (sym, sym) 917 print >>dst, ' *(int *)%s_end }%s' % (sym, endchar) 918 919 print >>dst, '#include "sim/init.hh"' 920 921 for sym in source: 922 sym = sym.get_contents() 923 print >>dst, "extern const char %s_beg[], %s_end[];" % (sym, sym) 924 925 print >>dst, "const EmbeddedPyModule embeddedPyImporter = " 926 dump_mod("PyEMB_importer", endchar=';'); 927 print >>dst 928 929 print >>dst, "const EmbeddedPyModule embeddedPyModules[] = {" 930 for i,sym in enumerate(source): 931 sym = sym.get_contents() 932 if sym == "PyEMB_importer": 933 # Skip the importer since we've already exported it 934 continue 935 dump_mod(sym) 936 print >>dst, " { 0, 0, 0, 0, 0, 0 }" 937 print >>dst, "};" 938 939 940env.Command('sim/init_python.cc', 941 map(Value, (s.symname for s in PySource.all)), 942 pythonInit) 943Source('sim/init_python.cc') 944 945######################################################################## 946# 947# Define binaries. Each different build type (debug, opt, etc.) gets 948# a slightly different build environment. 949# 950 951# List of constructed environments to pass back to SConstruct 952envList = [] 953 954date_source = Source('base/date.cc', skip_lib=True) 955 956# Function to create a new build environment as clone of current 957# environment 'env' with modified object suffix and optional stripped 958# binary. Additional keyword arguments are appended to corresponding 959# build environment vars. 960def makeEnv(label, objsfx, strip = False, **kwargs): 961 # SCons doesn't know to append a library suffix when there is a '.' in the 962 # name. Use '_' instead. 963 libname = 'm5_' + label 964 exename = 'm5.' + label 965 966 new_env = env.Clone(OBJSUFFIX=objsfx, SHOBJSUFFIX=objsfx + 's') 967 new_env.Label = label 968 new_env.Append(**kwargs) 969 970 swig_env = new_env.Clone() 971 swig_env.Append(CCFLAGS='-Werror') 972 if env['GCC']: 973 swig_env.Append(CCFLAGS='-Wno-uninitialized') 974 swig_env.Append(CCFLAGS='-Wno-sign-compare') 975 swig_env.Append(CCFLAGS='-Wno-parentheses') 976 977 werror_env = new_env.Clone() 978 werror_env.Append(CCFLAGS='-Werror') 979 980 def make_obj(source, static, extra_deps = None): 981 '''This function adds the specified source to the correct 982 build environment, and returns the corresponding SCons Object 983 nodes''' 984 985 if source.swig: 986 env = swig_env 987 elif source.Werror: 988 env = werror_env 989 else: 990 env = new_env 991 992 if static: 993 obj = env.StaticObject(source.tnode) 994 else: 995 obj = env.SharedObject(source.tnode) 996 997 if extra_deps: 998 env.Depends(obj, extra_deps) 999 1000 return obj 1001 1002 static_objs = [ make_obj(s, True) for s in Source.get(skip_lib=False)] 1003 shared_objs = [ make_obj(s, False) for s in Source.get(skip_lib=False)] 1004 1005 static_date = make_obj(date_source, static=True, extra_deps=static_objs) 1006 static_objs.append(static_date) 1007 1008 shared_date = make_obj(date_source, static=False, extra_deps=shared_objs) 1009 shared_objs.append(shared_date) 1010 1011 # First make a library of everything but main() so other programs can 1012 # link against m5. 1013 static_lib = new_env.StaticLibrary(libname, static_objs) 1014 shared_lib = new_env.SharedLibrary(libname, shared_objs) 1015 1016 for target, sources in unit_tests: 1017 objs = [ make_obj(s, static=True) for s in sources ] 1018 new_env.Program("unittest/%s.%s" % (target, label), objs + static_objs) 1019 1020 # Now link a stub with main() and the static library. 1021 bin_objs = [make_obj(s, True) for s in Source.get(bin_only=True) ] 1022 progname = exename 1023 if strip: 1024 progname += '.unstripped' 1025 1026 targets = new_env.Program(progname, bin_objs + static_objs) 1027 1028 if strip: 1029 if sys.platform == 'sunos5': 1030 cmd = 'cp $SOURCE $TARGET; strip $TARGET' 1031 else: 1032 cmd = 'strip $SOURCE -o $TARGET' 1033 targets = new_env.Command(exename, progname, cmd) 1034 1035 new_env.M5Binary = targets[0] 1036 envList.append(new_env) 1037 1038# Debug binary 1039ccflags = {} 1040if env['GCC']: 1041 if sys.platform == 'sunos5': 1042 ccflags['debug'] = '-gstabs+' 1043 else: 1044 ccflags['debug'] = '-ggdb3' 1045 ccflags['opt'] = '-g -O3' 1046 ccflags['fast'] = '-O3' 1047 ccflags['prof'] = '-O3 -g -pg' 1048elif env['SUNCC']: 1049 ccflags['debug'] = '-g0' 1050 ccflags['opt'] = '-g -O' 1051 ccflags['fast'] = '-fast' 1052 ccflags['prof'] = '-fast -g -pg' 1053elif env['ICC']: 1054 ccflags['debug'] = '-g -O0' 1055 ccflags['opt'] = '-g -O' 1056 ccflags['fast'] = '-fast' 1057 ccflags['prof'] = '-fast -g -pg' 1058else: 1059 print 'Unknown compiler, please fix compiler options' 1060 Exit(1) 1061 1062makeEnv('debug', '.do', 1063 CCFLAGS = Split(ccflags['debug']), 1064 CPPDEFINES = ['DEBUG', 'TRACING_ON=1']) 1065 1066# Optimized binary 1067makeEnv('opt', '.o', 1068 CCFLAGS = Split(ccflags['opt']), 1069 CPPDEFINES = ['TRACING_ON=1']) 1070 1071# "Fast" binary 1072makeEnv('fast', '.fo', strip = True, 1073 CCFLAGS = Split(ccflags['fast']), 1074 CPPDEFINES = ['NDEBUG', 'TRACING_ON=0']) 1075 1076# Profiled binary 1077makeEnv('prof', '.po', 1078 CCFLAGS = Split(ccflags['prof']), 1079 CPPDEFINES = ['NDEBUG', 'TRACING_ON=0'], 1080 LINKFLAGS = '-pg') 1081 1082Return('envList')
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