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import os
import Arguments
import Phases
import Tools
import Types
###
class ToolChain(object):
"""ToolChain - Provide mappings of Actions to Tools."""
def __init__(self, driver, archName,
filePathPrefixes=[],
programPathPrefixes=[]):
self.driver = driver
self.archName = archName
self.filePathPrefixes = list(filePathPrefixes)
self.programPathPrefixes = list(programPathPrefixes)
def getFilePath(self, name):
return self.driver.getFilePath(name, self)
def getProgramPath(self, name):
return self.driver.getProgramPath(name, self)
def selectTool(self, action):
"""selectTool - Return a Tool instance to use for handling
some particular action."""
abstract
def translateArgs(self, args, arch):
"""translateArgs - Callback to allow argument translation for
an entire toolchain."""
# FIXME: Would be nice to move arch handling out of generic
# code.
if arch:
archName = args.getValue(arch)
al = Arguments.DerivedArgList(args)
for arg in args.args:
if arg.opt is args.parser.archOption:
if arg is arch:
al.append(arg)
elif arg.opt is args.parser.XarchOption:
if args.getJoinedValue(arg) == archName:
# FIXME: Fix this.
arg = args.parser.lookupOptForArg(Arguments.InputIndex(0, arg.index.pos + 1),
args.getSeparateValue(arg),
iter([]))
al.append(arg)
else:
al.append(arg)
return al
else:
return args
def shouldUseClangCompiler(self, action):
# If user requested no clang, or this isn't a "compile" phase,
# or this isn't an input clang understands, then don't use clang.
if (self.driver.cccNoClang or
not isinstance(action.phase, (Phases.PreprocessPhase,
Phases.CompilePhase,
Phases.SyntaxOnlyPhase,
Phases.EmitLLVMPhase,
Phases.PrecompilePhase)) or
action.inputs[0].type not in Types.clangableTypesSet):
return False
if self.driver.cccNoClangPreprocessor:
if isinstance(action.phase, Phases.PreprocessPhase):
return False
if self.driver.cccNoClangCXX:
if action.inputs[0].type in Types.cxxTypesSet:
return False
# Don't use clang if this isn't one of the user specified
# archs to build.
if (self.driver.cccClangArchs and
self.archName not in self.driver.cccClangArchs):
return False
return True
def isMathErrnoDefault(self):
return True
def isUnwindTablesDefault(self):
# FIXME: Target hook.
if self.archName == 'x86_64':
return True
return False
def getDefaultRelocationModel(self):
return 'static'
def getForcedPicModel(self):
return
class Darwin_X86_ToolChain(ToolChain):
def __init__(self, driver, archName, darwinVersion, gccVersion):
super(Darwin_X86_ToolChain, self).__init__(driver, archName)
assert isinstance(darwinVersion, tuple) and len(darwinVersion) == 3
assert isinstance(gccVersion, tuple) and len(gccVersion) == 3
self.darwinVersion = darwinVersion
self.gccVersion = gccVersion
self.clangTool = Tools.Clang_CompileTool(self)
cc = Tools.Darwin_X86_CompileTool(self)
self.toolMap = {
Phases.PreprocessPhase : Tools.Darwin_X86_PreprocessTool(self),
Phases.AnalyzePhase : self.clangTool,
Phases.SyntaxOnlyPhase : cc,
Phases.EmitLLVMPhase : cc,
Phases.CompilePhase : cc,
Phases.PrecompilePhase : cc,
Phases.AssemblePhase : Tools.Darwin_AssembleTool(self),
Phases.LinkPhase : Tools.Darwin_X86_LinkTool(self),
Phases.LipoPhase : Tools.LipoTool(self),
}
if archName == 'x86_64':
self.filePathPrefixes.append(os.path.join(self.driver.driverDir,
'../lib/gcc',
self.getToolChainDir(),
'x86_64'))
self.filePathPrefixes.append(os.path.join('/usr/lib/gcc',
self.getToolChainDir(),
'x86_64'))
self.filePathPrefixes.append(os.path.join(self.driver.driverDir,
'../lib/gcc',
self.getToolChainDir()))
self.filePathPrefixes.append(os.path.join('/usr/lib/gcc',
self.getToolChainDir()))
self.programPathPrefixes.append(os.path.join(self.driver.driverDir,
'../libexec/gcc',
self.getToolChainDir()))
self.programPathPrefixes.append(os.path.join('/usr/libexec/gcc',
self.getToolChainDir()))
self.programPathPrefixes.append(self.driver.driverDir)
def getToolChainDir(self):
return 'i686-apple-darwin%d/%s' % (self.darwinVersion[0],
'.'.join(map(str,self.gccVersion)))
def getMacosxVersionMin(self):
major,minor,minorminor = self.darwinVersion
return '%d.%d.%d' % (10, major-4, minor)
def selectTool(self, action):
assert isinstance(action, Phases.JobAction)
if self.shouldUseClangCompiler(action):
return self.clangTool
return self.toolMap[action.phase.__class__]
def translateArgs(self, args, arch):
args = super(Darwin_X86_ToolChain, self).translateArgs(args, arch)
# If arch hasn't been bound we don't need to do anything yet.
if not arch:
return args
# FIXME: We really want to get out of the tool chain level
# argument translation business, as it makes the driver
# functionality much more opaque. For now, we follow gcc
# closely solely for the purpose of easily achieving feature
# parity & testability. Once we have something that works, we
# should reevaluate each translation and try to push it down
# into tool specific logic.
al = Arguments.DerivedArgList(args)
if not args.getLastArg(args.parser.m_macosxVersionMinOption):
al.append(al.makeJoinedArg(self.getMacosxVersionMin(),
args.parser.m_macosxVersionMinOption))
for arg in args:
# Sob. These is strictly gcc compatible for the time
# being. Apple gcc translates options twice, which means
# that self-expanding options add duplicates.
if arg.opt is args.parser.m_kernelOption:
al.append(arg)
al.append(al.makeFlagArg(args.parser.staticOption))
al.append(al.makeFlagArg(args.parser.staticOption))
elif arg.opt is args.parser.dependencyFileOption:
al.append(al.makeSeparateArg(args.getValue(arg),
args.parser.MFOption))
elif arg.opt is args.parser.gfullOption:
al.append(al.makeFlagArg(args.parser.gOption))
al.append(al.makeFlagArg(args.parser.f_noEliminateUnusedDebugSymbolsOption))
elif arg.opt is args.parser.gusedOption:
al.append(al.makeFlagArg(args.parser.gOption))
al.append(al.makeFlagArg(args.parser.f_eliminateUnusedDebugSymbolsOption))
elif arg.opt is args.parser.f_appleKextOption:
al.append(arg)
al.append(al.makeFlagArg(args.parser.staticOption))
al.append(al.makeFlagArg(args.parser.staticOption))
elif arg.opt is args.parser.f_terminatedVtablesOption:
al.append(al.makeFlagArg(args.parser.f_appleKextOption))
al.append(al.makeFlagArg(args.parser.staticOption))
elif arg.opt is args.parser.f_indirectVirtualCallsOption:
al.append(al.makeFlagArg(args.parser.f_appleKextOption))
al.append(al.makeFlagArg(args.parser.staticOption))
elif arg.opt is args.parser.sharedOption:
al.append(al.makeFlagArg(args.parser.dynamiclibOption))
elif arg.opt is args.parser.f_constantCfstringsOption:
al.append(al.makeFlagArg(args.parser.m_constantCfstringsOption))
elif arg.opt is args.parser.f_noConstantCfstringsOption:
al.append(al.makeFlagArg(args.parser.m_noConstantCfstringsOption))
elif arg.opt is args.parser.WnonportableCfstringsOption:
al.append(al.makeFlagArg(args.parser.m_warnNonportableCfstringsOption))
elif arg.opt is args.parser.WnoNonportableCfstringsOption:
al.append(al.makeFlagArg(args.parser.m_noWarnNonportableCfstringsOption))
elif arg.opt is args.parser.f_pascalStringsOption:
al.append(al.makeFlagArg(args.parser.m_pascalStringsOption))
elif arg.opt is args.parser.f_noPascalStringsOption:
al.append(al.makeFlagArg(args.parser.m_noPascalStringsOption))
else:
al.append(arg)
# FIXME: Actually, gcc always adds this, but it is filtered
# for duplicates somewhere. This also changes the order of
# things, so look it up.
if arch and args.getValue(arch) == 'x86_64':
if not args.getLastArg(args.parser.m_64Option):
al.append(al.makeFlagArg(args.parser.m_64Option))
if not args.getLastArg(args.parser.m_tuneOption):
al.append(al.makeJoinedArg('core2',
args.parser.m_tuneOption))
return al
def isMathErrnoDefault(self):
return False
def getDefaultRelocationModel(self):
return 'pic'
def getForcedPicModel(self):
if self.archName == 'x86_64':
return 'pic'
class Generic_GCC_ToolChain(ToolChain):
"""Generic_GCC_ToolChain - A tool chain using the 'gcc' command to
perform all subcommands; this relies on gcc translating the
options appropriately."""
def __init__(self, driver, archName):
super(Generic_GCC_ToolChain, self).__init__(driver, archName)
cc = Tools.GCC_CompileTool(self)
self.clangTool = Tools.Clang_CompileTool(self)
self.toolMap = {
Phases.PreprocessPhase : Tools.GCC_PreprocessTool(self),
Phases.AnalyzePhase : self.clangTool,
Phases.SyntaxOnlyPhase : cc,
Phases.EmitLLVMPhase
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