import marshal
import os
import re
+import subprocess
import sys
import zlib
# false). Current filters are:
# main -- specifies the gem5 main() function
# skip_lib -- do not put this file into the gem5 library
+# skip_no_python -- do not put this file into a no_python library
+# as it embeds compiled Python
# <unittest> -- unit tests use filters based on the unit test name
#
# A parent can now be specified for a source file and default filter
# values will be retrieved recursively from parents (children override
# parents).
#
+def guarded_source_iterator(sources, **guards):
+ '''Iterate over a set of sources, gated by a set of guards.'''
+ for src in sources:
+ for flag,value in guards.iteritems():
+ # if the flag is found and has a different value, skip
+ # this file
+ if src.all_guards.get(flag, False) != value:
+ break
+ else:
+ yield src
+
class SourceMeta(type):
'''Meta class for source files that keeps track of all files of a
particular type and has a get function for finding all functions
def __init__(cls, name, bases, dict):
super(SourceMeta, cls).__init__(name, bases, dict)
cls.all = []
-
+
def get(cls, **guards):
'''Find all files that match the specified guards. If a source
file does not specify a flag, the default is False'''
- for src in cls.all:
- for flag,value in guards.iteritems():
- # if the flag is found and has a different value, skip
- # this file
- if src.all_guards.get(flag, False) != value:
- break
- else:
- yield src
+ for s in guarded_source_iterator(cls.all, **guards):
+ yield s
class SourceFile(object):
'''Base object that encapsulates the notion of a source file.
def __ge__(self, other): return self.filename >= other.filename
def __eq__(self, other): return self.filename == other.filename
def __ne__(self, other): return self.filename != other.filename
-
+
+ @staticmethod
+ def done():
+ def disabled(cls, name, *ignored):
+ raise RuntimeError("Additional SourceFile '%s'" % name,\
+ "declared, but targets deps are already fixed.")
+ SourceFile.__init__ = disabled
+
+
class Source(SourceFile):
+ current_group = None
+ source_groups = { None : [] }
+
+ @classmethod
+ def set_group(cls, group):
+ if not group in Source.source_groups:
+ Source.source_groups[group] = []
+ Source.current_group = group
+
'''Add a c/c++ source file to the build'''
- def __init__(self, source, Werror=True, swig=False, **guards):
+ def __init__(self, source, Werror=True, **guards):
'''specify the source file, and any guards'''
super(Source, self).__init__(source, **guards)
self.Werror = Werror
- self.swig = swig
+
+ Source.source_groups[Source.current_group].append(self)
class PySource(SourceFile):
'''Add a python source file to the named package'''
modules = {}
tnodes = {}
symnames = {}
-
+
def __init__(self, package, source, **guards):
'''specify the python package, the source file, and any guards'''
super(PySource, self).__init__(source, **guards)
bisect.insort_right(SimObject.modnames, self.modname)
-class SwigSource(SourceFile):
- '''Add a swig file to build'''
-
- def __init__(self, package, source, **guards):
- '''Specify the python package, the source file, and any guards'''
- super(SwigSource, self).__init__(source, **guards)
-
- modname,ext = self.extname
- assert ext == 'i'
-
- self.module = modname
- cc_file = joinpath(self.dirname, modname + '_wrap.cc')
- py_file = joinpath(self.dirname, modname + '.py')
-
- self.cc_source = Source(cc_file, swig=True, parent=self)
- self.py_source = PySource(package, py_file, parent=self)
-
class ProtoBuf(SourceFile):
'''Add a Protocol Buffer to build'''
# Currently, we stick to generating the C++ headers, so we
# only need to track the source and header.
- self.cc_file = File(joinpath(self.dirname, modname + '.pb.cc'))
- self.hh_file = File(joinpath(self.dirname, modname + '.pb.h'))
+ self.cc_file = File(modname + '.pb.cc')
+ self.hh_file = File(modname + '.pb.h')
class UnitTest(object):
'''Create a UnitTest'''
Export('Source')
Export('PySource')
Export('SimObject')
-Export('SwigSource')
Export('ProtoBuf')
Export('UnitTest')
if 'SConscript' in files:
build_dir = joinpath(env['BUILDDIR'], root[len(base_dir) + 1:])
+ Source.set_group(build_dir)
SConscript(joinpath(root, 'SConscript'), variant_dir=build_dir)
for extra_dir in extras_dir_list:
prefix_len = len(dirname(extra_dir)) + 1
+
+ # Also add the corresponding build directory to pick up generated
+ # include files.
+ env.Append(CPPPATH=Dir(joinpath(env['BUILDDIR'], extra_dir[prefix_len:])))
+
for root, dirs, files in os.walk(extra_dir, topdown=True):
# if build lives in the extras directory, don't walk down it
if 'build' in dirs:
target_isa = env['TARGET_ISA']
def define(isa):
return isa.upper() + '_ISA'
-
+
def namespace(isa):
- return isa[0].upper() + isa[1:].lower() + 'ISA'
+ return isa[0].upper() + isa[1:].lower() + 'ISA'
code = code_formatter()
''')
+ # create defines for the preprocessing and compile-time determination
for i,isa in enumerate(isas):
code('#define $0 $1', define(isa), i + 1)
+ code()
+
+ # create an enum for any run-time determination of the ISA, we
+ # reuse the same name as the namespaces
+ code('enum class Arch {')
+ for i,isa in enumerate(isas):
+ if i + 1 == len(isas):
+ code(' $0 = $1', namespace(isa), define(isa))
+ else:
+ code(' $0 = $1,', namespace(isa), define(isa))
+ code('};')
code('''
env.Command('config/the_isa.hh', map(Value, all_isa_list),
MakeAction(makeTheISA, Transform("CFG ISA", 0)))
+def makeTheGPUISA(source, target, env):
+ isas = [ src.get_contents() for src in source ]
+ target_gpu_isa = env['TARGET_GPU_ISA']
+ def define(isa):
+ return isa.upper() + '_ISA'
+
+ def namespace(isa):
+ return isa[0].upper() + isa[1:].lower() + 'ISA'
+
+
+ code = code_formatter()
+ code('''\
+#ifndef __CONFIG_THE_GPU_ISA_HH__
+#define __CONFIG_THE_GPU_ISA_HH__
+
+''')
+
+ # create defines for the preprocessing and compile-time determination
+ for i,isa in enumerate(isas):
+ code('#define $0 $1', define(isa), i + 1)
+ code()
+
+ # create an enum for any run-time determination of the ISA, we
+ # reuse the same name as the namespaces
+ code('enum class GPUArch {')
+ for i,isa in enumerate(isas):
+ if i + 1 == len(isas):
+ code(' $0 = $1', namespace(isa), define(isa))
+ else:
+ code(' $0 = $1,', namespace(isa), define(isa))
+ code('};')
+
+ code('''
+
+#define THE_GPU_ISA ${{define(target_gpu_isa)}}
+#define TheGpuISA ${{namespace(target_gpu_isa)}}
+#define THE_GPU_ISA_STR "${{target_gpu_isa}}"
+
+#endif // __CONFIG_THE_GPU_ISA_HH__''')
+
+ code.write(str(target[0]))
+
+env.Command('config/the_gpu_isa.hh', map(Value, all_gpu_isa_list),
+ MakeAction(makeTheGPUISA, Transform("CFG ISA", 0)))
+
########################################################################
#
# Prevent any SimObjects from being added after this point, they
if fullname == 'm5.objects':
return self
- if fullname.startswith('m5.internal'):
+ if fullname.startswith('_m5'):
return None
source = self.modules.get(fullname, None)
sim_objects = m5.SimObject.allClasses
all_enums = m5.params.allEnums
-if m5.SimObject.noCxxHeader:
- print >> sys.stderr, \
- "warning: At least one SimObject lacks a header specification. " \
- "This can cause unexpected results in the generated SWIG " \
- "wrappers."
-
-# Find param types that need to be explicitly wrapped with swig.
-# These will be recognized because the ParamDesc will have a
-# swig_decl() method. Most param types are based on types that don't
-# need this, either because they're based on native types (like Int)
-# or because they're SimObjects (which get swigged independently).
-# For now the only things handled here are VectorParam types.
-params_to_swig = {}
for name,obj in sorted(sim_objects.iteritems()):
for param in obj._params.local.values():
# load the ptype attribute now because it depends on the
# SimObject.allClasses will have been loaded
param.ptype
- if not hasattr(param, 'swig_decl'):
- continue
- pname = param.ptype_str
- if pname not in params_to_swig:
- params_to_swig[pname] = param
-
########################################################################
#
# calculate extra dependencies
#
module_depends = ["m5", "m5.SimObject", "m5.params"]
depends = [ PySource.modules[dep].snode for dep in module_depends ]
+depends.sort(key = lambda x: x.name)
########################################################################
#
code = code_formatter()
code("""
-import m5.internal
+import _m5.core
import m5.util
buildEnv = m5.util.SmartDict($build_env)
-compileDate = m5.internal.core.compileDate
+compileDate = _m5.core.compileDate
_globals = globals()
-for key,val in m5.internal.core.__dict__.iteritems():
+for key,val in _m5.core.__dict__.iteritems():
if key.startswith('flag_'):
flag = key[5:]
_globals[flag] = val
obj.cxx_param_decl(code)
code.write(target[0].abspath)
-def createParamSwigWrapper(target, source, env):
- assert len(target) == 1 and len(source) == 1
+def createSimObjectCxxConfig(is_header):
+ def body(target, source, env):
+ assert len(target) == 1 and len(source) == 1
- name = str(source[0].get_contents())
- param = params_to_swig[name]
+ name = str(source[0].get_contents())
+ obj = sim_objects[name]
- code = code_formatter()
- param.swig_decl(code)
- code.write(target[0].abspath)
+ code = code_formatter()
+ obj.cxx_config_param_file(code, is_header)
+ code.write(target[0].abspath)
+ return body
def createEnumStrings(target, source, env):
assert len(target) == 1 and len(source) == 1
code = code_formatter()
obj.cxx_def(code)
+ if env['USE_PYTHON']:
+ obj.pybind_def(code)
code.write(target[0].abspath)
def createEnumDecls(target, source, env):
obj.cxx_decl(code)
code.write(target[0].abspath)
-def createEnumSwigWrapper(target, source, env):
- assert len(target) == 1 and len(source) == 1
-
- name = str(source[0].get_contents())
- obj = all_enums[name]
-
- code = code_formatter()
- obj.swig_decl(code)
- code.write(target[0].abspath)
-
-def createSimObjectSwigWrapper(target, source, env):
+def createSimObjectPyBindWrapper(target, source, env):
name = source[0].get_contents()
obj = sim_objects[name]
code = code_formatter()
- obj.swig_decl(code)
+ obj.pybind_decl(code)
code.write(target[0].abspath)
# Generate all of the SimObject param C++ struct header files
MakeAction(createSimObjectParamStruct, Transform("SO PARAM")))
env.Depends(hh_file, depends + extra_deps)
-# Generate any needed param SWIG wrapper files
-params_i_files = []
-for name,param in params_to_swig.iteritems():
- i_file = File('python/m5/internal/%s.i' % (param.swig_module_name()))
- params_i_files.append(i_file)
- env.Command(i_file, Value(name),
- MakeAction(createParamSwigWrapper, Transform("SW PARAM")))
- env.Depends(i_file, depends)
- SwigSource('m5.internal', i_file)
+# C++ parameter description files
+if GetOption('with_cxx_config'):
+ for name,simobj in sorted(sim_objects.iteritems()):
+ py_source = PySource.modules[simobj.__module__]
+ extra_deps = [ py_source.tnode ]
+
+ cxx_config_hh_file = File('cxx_config/%s.hh' % name)
+ cxx_config_cc_file = File('cxx_config/%s.cc' % name)
+ env.Command(cxx_config_hh_file, Value(name),
+ MakeAction(createSimObjectCxxConfig(True),
+ Transform("CXXCPRHH")))
+ env.Command(cxx_config_cc_file, Value(name),
+ MakeAction(createSimObjectCxxConfig(False),
+ Transform("CXXCPRCC")))
+ env.Depends(cxx_config_hh_file, depends + extra_deps +
+ [File('params/%s.hh' % name), File('sim/cxx_config.hh')])
+ env.Depends(cxx_config_cc_file, depends + extra_deps +
+ [cxx_config_hh_file])
+ Source(cxx_config_cc_file)
+
+ cxx_config_init_cc_file = File('cxx_config/init.cc')
+
+ def createCxxConfigInitCC(target, source, env):
+ assert len(target) == 1 and len(source) == 1
+
+ code = code_formatter()
+
+ for name,simobj in sorted(sim_objects.iteritems()):
+ if not hasattr(simobj, 'abstract') or not simobj.abstract:
+ code('#include "cxx_config/${name}.hh"')
+ code()
+ code('void cxxConfigInit()')
+ code('{')
+ code.indent()
+ for name,simobj in sorted(sim_objects.iteritems()):
+ not_abstract = not hasattr(simobj, 'abstract') or \
+ not simobj.abstract
+ if not_abstract and 'type' in simobj.__dict__:
+ code('cxx_config_directory["${name}"] = '
+ '${name}CxxConfigParams::makeDirectoryEntry();')
+ code.dedent()
+ code('}')
+ code.write(target[0].abspath)
+
+ py_source = PySource.modules[simobj.__module__]
+ extra_deps = [ py_source.tnode ]
+ env.Command(cxx_config_init_cc_file, Value(name),
+ MakeAction(createCxxConfigInitCC, Transform("CXXCINIT")))
+ cxx_param_hh_files = ["cxx_config/%s.hh" % simobj
+ for name,simobj in sorted(sim_objects.iteritems())
+ if not hasattr(simobj, 'abstract') or not simobj.abstract]
+ Depends(cxx_config_init_cc_file, cxx_param_hh_files +
+ [File('sim/cxx_config.hh')])
+ Source(cxx_config_init_cc_file)
# Generate all enum header files
for name,enum in sorted(all_enums.iteritems()):
MakeAction(createEnumDecls, Transform("ENUMDECL")))
env.Depends(hh_file, depends + extra_deps)
- i_file = File('python/m5/internal/enum_%s.i' % name)
- env.Command(i_file, Value(name),
- MakeAction(createEnumSwigWrapper, Transform("ENUMSWIG")))
- env.Depends(i_file, depends + extra_deps)
- SwigSource('m5.internal', i_file)
-
-# Generate SimObject SWIG wrapper files
-for name,simobj in sim_objects.iteritems():
- py_source = PySource.modules[simobj.__module__]
- extra_deps = [ py_source.tnode ]
-
- i_file = File('python/m5/internal/param_%s.i' % name)
- env.Command(i_file, Value(name),
- MakeAction(createSimObjectSwigWrapper, Transform("SO SWIG")))
- env.Depends(i_file, depends + extra_deps)
- SwigSource('m5.internal', i_file)
-
-# Generate the main swig init file
-def makeEmbeddedSwigInit(target, source, env):
- code = code_formatter()
- module = source[0].get_contents()
- code('''\
-#include "sim/init.hh"
-
-extern "C" {
- void init_${module}();
-}
-
-EmbeddedSwig embed_swig_${module}(init_${module});
-''')
- code.write(str(target[0]))
-
-# Build all swig modules
-for swig in SwigSource.all:
- env.Command([swig.cc_source.tnode, swig.py_source.tnode], swig.tnode,
- MakeAction('$SWIG $SWIGFLAGS -outdir ${TARGETS[1].dir} '
- '-o ${TARGETS[0]} $SOURCES', Transform("SWIG")))
- cc_file = str(swig.tnode)
- init_file = '%s/%s_init.cc' % (dirname(cc_file), basename(cc_file))
- env.Command(init_file, Value(swig.module),
- MakeAction(makeEmbeddedSwigInit, Transform("EMBED SW")))
- Source(init_file, **swig.guards)
+# Generate SimObject Python bindings wrapper files
+if env['USE_PYTHON']:
+ for name,simobj in sorted(sim_objects.iteritems()):
+ py_source = PySource.modules[simobj.__module__]
+ extra_deps = [ py_source.tnode ]
+ cc_file = File('python/_m5/param_%s.cc' % name)
+ env.Command(cc_file, Value(name),
+ MakeAction(createSimObjectPyBindWrapper,
+ Transform("SO PyBind")))
+ env.Depends(cc_file, depends + extra_deps)
+ Source(cc_file)
# Build all protocol buffers if we have got protoc and protobuf available
if env['HAVE_PROTOBUF']:
def makeDebugFlagCC(target, source, env):
assert(len(target) == 1 and len(source) == 1)
- val = eval(source[0].get_contents())
- name, compound, desc = val
- compound = list(sorted(compound))
-
code = code_formatter()
+ # delay definition of CompoundFlags until after all the definition
+ # of all constituent SimpleFlags
+ comp_code = code_formatter()
+
# file header
code('''
/*
- * DO NOT EDIT THIS FILE! Automatically generated
+ * DO NOT EDIT THIS FILE! Automatically generated by SCons.
*/
#include "base/debug.hh"
-''')
- for flag in compound:
- code('#include "debug/$flag.hh"')
- code()
- code('namespace Debug {')
- code()
+namespace Debug {
- if not compound:
- code('SimpleFlag $name("$name", "$desc");')
- else:
- code('CompoundFlag $name("$name", "$desc",')
- code.indent()
- last = len(compound) - 1
- for i,flag in enumerate(compound):
- if i != last:
- code('$flag,')
- else:
- code('$flag);')
- code.dedent()
+''')
+ for name, flag in sorted(source[0].read().iteritems()):
+ n, compound, desc = flag
+ assert n == name
+
+ if not compound:
+ code('SimpleFlag $name("$name", "$desc");')
+ else:
+ comp_code('CompoundFlag $name("$name", "$desc",')
+ comp_code.indent()
+ last = len(compound) - 1
+ for i,flag in enumerate(compound):
+ if i != last:
+ comp_code('&$flag,')
+ else:
+ comp_code('&$flag);')
+ comp_code.dedent()
+
+ code.append(comp_code)
code()
code('} // namespace Debug')
# file header boilerplate
code('''\
/*
- * DO NOT EDIT THIS FILE!
- *
- * Automatically generated by SCons
+ * DO NOT EDIT THIS FILE! Automatically generated by SCons.
*/
#ifndef __DEBUG_${name}_HH__
n, compound, desc = flag
assert n == name
- env.Command('debug/%s.hh' % name, Value(flag),
+ hh_file = 'debug/%s.hh' % name
+ env.Command(hh_file, Value(flag),
MakeAction(makeDebugFlagHH, Transform("TRACING", 0)))
- env.Command('debug/%s.cc' % name, Value(flag),
- MakeAction(makeDebugFlagCC, Transform("TRACING", 0)))
- Source('debug/%s.cc' % name)
+
+env.Command('debug/flags.cc', Value(debug_flags),
+ MakeAction(makeDebugFlagCC, Transform("TRACING", 0)))
+Source('debug/flags.cc')
+
+# version tags
+tags = \
+env.Command('sim/tags.cc', None,
+ MakeAction('util/cpt_upgrader.py --get-cc-file > $TARGET',
+ Transform("VER TAGS")))
+env.AlwaysBuild(tags)
# Embed python files. All .py files that have been indicated by a
# PySource() call in a SConscript need to be embedded into the M5
x = array.array('B', data[i:i+step])
code(''.join('%d,' % d for d in x))
code.dedent()
-
+
code('''};
EmbeddedPython embedded_${sym}(
code.write(str(target[0]))
for source in PySource.all:
- env.Command(source.cpp, source.tnode,
+ env.Command(source.cpp, source.tnode,
MakeAction(embedPyFile, Transform("EMBED PY")))
- Source(source.cpp)
+ Source(source.cpp, skip_no_python=True)
########################################################################
#
#
# List of constructed environments to pass back to SConstruct
-envList = []
-
date_source = Source('base/date.cc', skip_lib=True)
+# Capture this directory for the closure makeEnv, otherwise when it is
+# called, it won't know what directory it should use.
+variant_dir = Dir('.').path
+def variant(*path):
+ return os.path.join(variant_dir, *path)
+def variantd(*path):
+ return variant(*path)+'/'
+
# Function to create a new build environment as clone of current
# environment 'env' with modified object suffix and optional stripped
# binary. Additional keyword arguments are appended to corresponding
# build environment vars.
-def makeEnv(label, objsfx, strip = False, **kwargs):
+def makeEnv(env, label, objsfx, strip = False, **kwargs):
# SCons doesn't know to append a library suffix when there is a '.' in the
# name. Use '_' instead.
- libname = 'gem5_' + label
- exename = 'gem5.' + label
- secondary_exename = 'm5.' + label
+ libname = variant('gem5_' + label)
+ exename = variant('gem5.' + label)
+ secondary_exename = variant('m5.' + label)
new_env = env.Clone(OBJSUFFIX=objsfx, SHOBJSUFFIX=objsfx + 's')
new_env.Label = label
new_env.Append(**kwargs)
- swig_env = new_env.Clone()
- swig_env.Append(CCFLAGS='-Werror')
if env['GCC']:
- swig_env.Append(CCFLAGS=['-Wno-uninitialized', '-Wno-sign-compare',
- '-Wno-parentheses', '-Wno-unused-label',
- '-Wno-unused-value'])
- if compareVersions(env['GCC_VERSION'], '4.6') >= 0:
- swig_env.Append(CCFLAGS='-Wno-unused-but-set-variable')
-
- # Add additional warnings here that should not be applied to
- # the SWIG generated code
- new_env.Append(CXXFLAGS='-Wmissing-declarations')
- if compareVersions(env['GCC_VERSION'], '4.7') >= 0:
- new_env.Append(CXXFLAGS='-Wdelete-non-virtual-dtor')
+ # The address sanitizer is available for gcc >= 4.8
+ if GetOption('with_asan'):
+ if GetOption('with_ubsan') and \
+ compareVersions(env['GCC_VERSION'], '4.9') >= 0:
+ new_env.Append(CCFLAGS=['-fsanitize=address,undefined',
+ '-fno-omit-frame-pointer'])
+ new_env.Append(LINKFLAGS='-fsanitize=address,undefined')
+ else:
+ new_env.Append(CCFLAGS=['-fsanitize=address',
+ '-fno-omit-frame-pointer'])
+ new_env.Append(LINKFLAGS='-fsanitize=address')
+ # Only gcc >= 4.9 supports UBSan, so check both the version
+ # and the command-line option before adding the compiler and
+ # linker flags.
+ elif GetOption('with_ubsan') and \
+ compareVersions(env['GCC_VERSION'], '4.9') >= 0:
+ new_env.Append(CCFLAGS='-fsanitize=undefined')
+ new_env.Append(LINKFLAGS='-fsanitize=undefined')
+
+
if env['CLANG']:
- swig_env.Append(CCFLAGS=['-Wno-unused-label', '-Wno-unused-value'])
+ # We require clang >= 3.1, so there is no need to check any
+ # versions here.
+ if GetOption('with_ubsan'):
+ if GetOption('with_asan'):
+ new_env.Append(CCFLAGS=['-fsanitize=address,undefined',
+ '-fno-omit-frame-pointer'])
+ new_env.Append(LINKFLAGS='-fsanitize=address,undefined')
+ else:
+ new_env.Append(CCFLAGS='-fsanitize=undefined')
+ new_env.Append(LINKFLAGS='-fsanitize=undefined')
- # Add additional warnings here that should not be applied to
- # the SWIG generated code
- new_env.Append(CXXFLAGS=['-Wmissing-declarations',
- '-Wdelete-non-virtual-dtor'])
+ elif GetOption('with_asan'):
+ new_env.Append(CCFLAGS=['-fsanitize=address',
+ '-fno-omit-frame-pointer'])
+ new_env.Append(LINKFLAGS='-fsanitize=address')
werror_env = new_env.Clone()
- werror_env.Append(CCFLAGS='-Werror')
+ # Treat warnings as errors but white list some warnings that we
+ # want to allow (e.g., deprecation warnings).
+ werror_env.Append(CCFLAGS=['-Werror',
+ '-Wno-error=deprecated-declarations',
+ '-Wno-error=deprecated',
+ ])
def make_obj(source, static, extra_deps = None):
'''This function adds the specified source to the correct
build environment, and returns the corresponding SCons Object
nodes'''
- if source.swig:
- env = swig_env
- elif source.Werror:
+ if source.Werror:
env = werror_env
else:
env = new_env
return obj
- static_objs = \
- [ make_obj(s, True) for s in Source.get(main=False, skip_lib=False) ]
- shared_objs = \
- [ make_obj(s, False) for s in Source.get(main=False, skip_lib=False) ]
+ lib_guards = {'main': False, 'skip_lib': False}
+
+ # Without Python, leave out all Python content from the library
+ # builds. The option doesn't affect gem5 built as a program
+ if GetOption('without_python'):
+ lib_guards['skip_no_python'] = False
+
+ static_objs = []
+ shared_objs = []
+ for s in guarded_source_iterator(Source.source_groups[None], **lib_guards):
+ static_objs.append(make_obj(s, True))
+ shared_objs.append(make_obj(s, False))
+
+ partial_objs = []
+ for group, all_srcs in Source.source_groups.iteritems():
+ # If these are the ungrouped source files, skip them.
+ if not group:
+ continue
+
+ # Get a list of the source files compatible with the current guards.
+ srcs = [ s for s in guarded_source_iterator(all_srcs, **lib_guards) ]
+ # If there aren't any left, skip this group.
+ if not srcs:
+ continue
+
+ # Set up the static partially linked objects.
+ source_objs = [ make_obj(s, True) for s in srcs ]
+ file_name = new_env.subst("${OBJPREFIX}lib${OBJSUFFIX}.partial")
+ target = File(joinpath(group, file_name))
+ partial = env.PartialStatic(target=target, source=source_objs)
+ static_objs.append(partial)
+
+ # Set up the shared partially linked objects.
+ source_objs = [ make_obj(s, False) for s in srcs ]
+ file_name = new_env.subst("${SHOBJPREFIX}lib${SHOBJSUFFIX}.partial")
+ target = File(joinpath(group, file_name))
+ partial = env.PartialShared(target=target, source=source_objs)
+ shared_objs.append(partial)
static_date = make_obj(date_source, static=True, extra_deps=static_objs)
static_objs.append(static_date)
-
+
shared_date = make_obj(date_source, static=False, extra_deps=shared_objs)
shared_objs.append(shared_date)
test_objs = [ make_obj(s, static=True) for s in test_sources ]
if test.main:
test_objs += main_objs
- testname = "unittest/%s.%s" % (test.target, label)
- new_env.Program(testname, test_objs + static_objs)
+ path = variant('unittest/%s.%s' % (test.target, label))
+ new_env.Program(path, test_objs + static_objs)
progname = exename
if strip:
MakeAction('ln $SOURCE $TARGET', Transform("HARDLINK")))
new_env.M5Binary = targets[0]
- envList.append(new_env)
+
+ # Set up regression tests.
+ SConscript(os.path.join(env.root.abspath, 'tests', 'SConscript'),
+ variant_dir=variantd('tests', new_env.Label),
+ exports={ 'env' : new_env }, duplicate=False)
# Start out with the compiler flags common to all compilers,
# i.e. they all use -g for opt and -g -pg for prof
if 'all' in needed_envs:
needed_envs += target_types
-# Debug binary
-if 'debug' in needed_envs:
- makeEnv('debug', '.do',
- CCFLAGS = Split(ccflags['debug']),
- CPPDEFINES = ['DEBUG', 'TRACING_ON=1'],
- LINKFLAGS = Split(ldflags['debug']))
-
-# Optimized binary
-if 'opt' in needed_envs:
- makeEnv('opt', '.o',
- CCFLAGS = Split(ccflags['opt']),
- CPPDEFINES = ['TRACING_ON=1'],
- LINKFLAGS = Split(ldflags['opt']))
-
-# "Fast" binary
-if 'fast' in needed_envs:
- makeEnv('fast', '.fo', strip = True,
- CCFLAGS = Split(ccflags['fast']),
- CPPDEFINES = ['NDEBUG', 'TRACING_ON=0'],
- LINKFLAGS = Split(ldflags['fast']))
-
-# Profiled binary using gprof
-if 'prof' in needed_envs:
- makeEnv('prof', '.po',
- CCFLAGS = Split(ccflags['prof']),
- CPPDEFINES = ['NDEBUG', 'TRACING_ON=0'],
- LINKFLAGS = Split(ldflags['prof']))
-
-# Profiled binary using google-pprof
-if 'perf' in needed_envs:
- makeEnv('perf', '.gpo',
- CCFLAGS = Split(ccflags['perf']),
- CPPDEFINES = ['NDEBUG', 'TRACING_ON=0'],
- LINKFLAGS = Split(ldflags['perf']))
-
-Return('envList')
+def makeEnvirons(target, source, env):
+ # cause any later Source() calls to be fatal, as a diagnostic.
+ Source.done()
+
+ # Debug binary
+ if 'debug' in needed_envs:
+ makeEnv(env, 'debug', '.do',
+ CCFLAGS = Split(ccflags['debug']),
+ CPPDEFINES = ['DEBUG', 'TRACING_ON=1'],
+ LINKFLAGS = Split(ldflags['debug']))
+
+ # Optimized binary
+ if 'opt' in needed_envs:
+ makeEnv(env, 'opt', '.o',
+ CCFLAGS = Split(ccflags['opt']),
+ CPPDEFINES = ['TRACING_ON=1'],
+ LINKFLAGS = Split(ldflags['opt']))
+
+ # "Fast" binary
+ if 'fast' in needed_envs:
+ makeEnv(env, 'fast', '.fo', strip = True,
+ CCFLAGS = Split(ccflags['fast']),
+ CPPDEFINES = ['NDEBUG', 'TRACING_ON=0'],
+ LINKFLAGS = Split(ldflags['fast']))
+
+ # Profiled binary using gprof
+ if 'prof' in needed_envs:
+ makeEnv(env, 'prof', '.po',
+ CCFLAGS = Split(ccflags['prof']),
+ CPPDEFINES = ['NDEBUG', 'TRACING_ON=0'],
+ LINKFLAGS = Split(ldflags['prof']))
+
+ # Profiled binary using google-pprof
+ if 'perf' in needed_envs:
+ makeEnv(env, 'perf', '.gpo',
+ CCFLAGS = Split(ccflags['perf']),
+ CPPDEFINES = ['NDEBUG', 'TRACING_ON=0'],
+ LINKFLAGS = Split(ldflags['perf']))
+
+# The MakeEnvirons Builder defers the full dependency collection until
+# after processing the ISA definition (due to dynamically generated
+# source files). Add this dependency to all targets so they will wait
+# until the environments are completely set up. Otherwise, a second
+# process (e.g. -j2 or higher) will try to compile the requested target,
+# not know how, and fail.
+env.Append(BUILDERS = {'MakeEnvirons' :
+ Builder(action=MakeAction(makeEnvirons,
+ Transform("ENVIRONS", 1)))})
+
+isa_target = env['PHONY_BASE'] + '-deps'
+environs = env['PHONY_BASE'] + '-environs'
+env.Depends('#all-deps', isa_target)
+env.Depends('#all-environs', environs)
+env.ScanISA(isa_target, File('arch/%s/generated/inc.d' % env['TARGET_ISA']))
+envSetup = env.MakeEnvirons(environs, isa_target)
+
+# make sure no -deps targets occur before all ISAs are complete
+env.Depends(isa_target, '#all-isas')
+# likewise for -environs targets and all the -deps targets
+env.Depends(environs, '#all-deps')
projects / gem5.git / blobdiff