def test_compile_native_objects(self):
s = self.getFakeSourceFile()
with self.getTemp(suffix='.o') as obj:
# TODO(dschuff): Use something more descriptive instead of -arch
# (i.e. something that indicates that a translation is requested)
# and remove pnacl-allow-translate
driver_tools.RunDriver('clang', [
s.name, '-c', '-o', obj.name, '--target=x86_64-unknown-nacl',
'-arch', 'x86-64', '--pnacl-allow-translate'
])
self.assertTrue(filetype.IsNativeObject(obj.name))
self.assertEqual(elftools.GetELFHeader(obj.name).arch, 'X8664')
driver_tools.RunDriver('clang', [
s.name, '-c', '-o', obj.name, '--target=i686-unknown-nacl',
'-arch', 'x86-32', '--pnacl-allow-translate'
])
self.assertTrue(filetype.IsNativeObject(obj.name))
self.assertEqual(elftools.GetELFHeader(obj.name).arch, 'X8632')
driver_tools.RunDriver('clang', [
s.name, '-c', '-o', obj.name,
'--target=armv7-unknown-nacl-gnueabi', '-arch', 'arm',
'--pnacl-allow-translate'
])
self.assertTrue(filetype.IsNativeObject(obj.name))
self.assertEqual(elftools.GetELFHeader(obj.name).arch, 'ARM')
# TODO(dschuff): This should be an error.
driver_tools.RunDriver('clang', [
s.name, '-c', '-o', obj.name, '--target=x86_64-unknown-nacl',
'-arch', 'x86-32', '--pnacl-allow-translate'
])
self.assertTrue(filetype.IsNativeObject(obj.name))
self.assertEqual(elftools.GetELFHeader(obj.name).arch, 'X8632')
def ArchMerge(filename, must_match):
file_type = filetype.FileType(filename)
if file_type in ('o','so'):
elfheader = elftools.GetELFHeader(filename)
if not elfheader:
Log.Fatal("%s: Cannot read ELF header", filename)
new_arch = elfheader.arch
elif filetype.IsNativeArchive(filename):
new_arch = file_type[len('archive-'):]
else:
Log.Fatal('%s: Unexpected file type in ArchMerge', filename)
existing_arch = GetArch()
if not existing_arch:
SetArch(new_arch)
return True
elif new_arch != existing_arch:
if must_match:
msg = "%s: Incompatible object file (%s != %s)"
logfunc = Log.Fatal
else:
msg = "%s: Skipping incompatible object file (%s != %s)"
logfunc = Log.Warning
logfunc(msg, filename, new_arch, existing_arch)
return False
else: # existing_arch and new_arch == existing_arch
return True
def GetELFType(filename):
""" ELF type as determined by ELF metadata """
assert(elftools.IsELF(filename))
elfheader = elftools.GetELFHeader(filename)
elf_type_map = {
'EXEC': 'nexe',
'REL' : 'o',
'DYN' : 'so'
}
return elf_type_map[elfheader.type]
