def getWrapper(realCmd):
if type(realCmd) == str:
realCmd = realCmd.split()
wrapper = CompilerWrapper(realCmd)
wrapper.computeWrapperCommand()
# we only want the executable name not the full path
wrapper.generateIrCommand[0] = os.path.basename(wrapper.generateIrCommand[0])
return wrapper
# TODO: rewrite this in C++, the python startup time of ~100-300ms per command really kills ./configure and make
# TODO: do we need to wrap objcopy?
executable = os.path.basename(sys.argv[0])
if executable in ('gcc', 'cc'):
executable = 'clang'
if executable in ('g++', 'c++'):
executable = 'clang++'
sys.argv[0] = executable
wrapper = None
if executable in ('clang', 'clang++'):
# -c -> object file, -S -> generate ASM, -E -> run preprocessor only
if any(x in sys.argv for x in ("-c", "-S", "-E")):
wrapper = CompilerWrapper(sys.argv)
else:
wrapper = LinkerWrapper(sys.argv)
elif executable == 'ar':
wrapper = ArWrapper(sys.argv)
elif executable == 'ranlib':
# ranlib creates an index in the .a file -> we can skip this since we have created a llvm bitcode file
wrapper = RanlibWrapper(sys.argv)
# direct invocation of the linker: can be ld, gold or lld
elif executable in ('ld', 'lld', 'gold'):
wrapper = LinkerWrapper(sys.argv)
# we also need to wrap mv, ln and cp commands to make sure that our bitcode files end up in the right dir
elif executable == 'mv':
wrapper = MvWrapper(sys.argv)
elif executable == 'ln':
wrapper = LnWrapper(sys.argv)