jit/backend/aarch64/test/test_runner.py::TestARM64::()::test_compile_asmlen

self = <rpython.jit.backend.aarch64.test.test_runner.TestARM64 object at 0x0000000141344608>

    def test_compile_asmlen(self):
        if not isinstance(self.cpu, AbstractLLCPU):
            py.test.skip("pointless test on non-asm")
        from rpython.jit.backend.tool.viewcode import machine_code_dump, ObjdumpNotFound
        import ctypes
        targettoken = TargetToken()
        ops = """
        [i2]
        i0 = same_as_i(i2)    # but forced to be in a register
        label(i0, descr=targettoken)
        i1 = int_add(i0, i0)
        guard_true(i1, descr=faildescr) [i1]
        jump(i1, descr=targettoken)
        """
        faildescr = BasicFailDescr(2)
        loop = parse(ops, self.cpu, namespace=locals())
        bridge_ops = """
        [i0]
        jump(i0, descr=targettoken)
        """
        bridge = parse(bridge_ops, self.cpu, namespace=locals())
        looptoken = JitCellToken()
        self.cpu.assembler.set_debug(False)
        info = self.cpu.compile_loop(loop.inputargs, loop.operations, looptoken)
        bridge_info = self.cpu.compile_bridge(faildescr, bridge.inputargs,
                                              bridge.operations,
                                              looptoken)
        self.cpu.assembler.set_debug(True) # always on untranslated
        assert info.asmlen != 0
        cpuname = autodetect()
        # XXX we have to check the precise assembler, otherwise
        # we don't quite know if borders are correct
    
        def checkops(mc, ops_regexp):
            import re
            words = []
            print('----- checkops -----')
            for line in mc:
                print(line.rstrip())
                t = line.split("\t")
                if len(t) <= 2:
                    continue
                w = t[2].split()
                if len(w) == 0:
                    if '<UNDEFINED>' in line:
                        w = ['UNDEFINED']
                    else:
                        continue
                words.append(w[0] + ';')
                print('[[%s]]' % (w[0],))
            text = ' '.join(words)
            assert re.compile(ops_regexp).match(text)
    
        data = ctypes.string_at(info.asmaddr, info.asmlen)
        try:
>           mc = list(machine_code_dump(data, info.asmaddr, cpuname))

jit/backend/test/runner_test.py:4675: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

data = '\xa0\x83@\xf9\x00\x00\x00\x8b\x1f\x00\x00\xf1`\x00\x00T\xfd\xff\xff\x17\x00\x00 \xd4'
originaddr = 481131759504, backend_name = 'aarch64', label_list = None

    def machine_code_dump(data, originaddr, backend_name, label_list=None):
        objdump_machine_option = {
            'x86': 'i386',
            'x86-without-sse2': 'i386',
            'x86_32': 'i386',
            'x86_64': 'i386:x86-64',
            'x86-64': 'i386:x86-64',
            'i386': 'i386',
            'arm': 'arm',
            'arm_32': 'arm',
            'aarch64': 'aarch64',
            'ppc' : 'powerpc:common64',
            'ppc-64' : 'powerpc:common64',
            'riscv64': 'riscv:rv64',
            's390x': 's390:64-bit',
        }
        machine_endianness = {
            # default value: 'little'
            'ppc' : sys.byteorder,     # i.e. same as the running machine...
            'ppc-64' : sys.byteorder,     # i.e. same as the running machine...
            's390x' : sys.byteorder,     # i.e. same as the running machine...
        }
        cmd = find_objdump()
        objdump = ('%(command)s -b binary -m %(machine)s '
                   '--endian=%(endianness)s '
                   '--disassembler-options=intel-mnemonics '
                   '--adjust-vma=%(origin)d -D %(file)s')
        #
        f = open(tmpfile, 'wb')
        f.write(data)
        f.close()
        p = subprocess.Popen(objdump % {
            'command': cmd,
            'file': tmpfile,
            'origin': originaddr,
            'machine': objdump_machine_option[backend_name],
            'endianness': machine_endianness.get(backend_name, 'little'),
        }, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
        stdout, stderr = p.communicate()
        assert not p.returncode, ('Encountered an error running objdump: %s' %
>                                 stderr)
E       AssertionError: Encountered an error running objdump: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/objdump: error: unknown argument '-b'

jit/backend/tool/viewcode.py:82: AssertionError

builder: rpython-macos-arm64 build #264+

test: jit/backend/aarch64/test/test_runner.py::TestARM64::()::test_compile_asmlen