Example #1
0
def test_parsing_assembler():
    if not autodetect().startswith('x86'):
        py.test.skip('x86 only test')
    backend_dump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
    dump_start = 0x7f3b0b2e63d5
    try:
        loop = parse("""
    # Loop 0 : loop with 19 ops
    [p0, p1, p2, p3, i4]
    debug_merge_point(0, 0, '<code object f. file 'x.py'. line 2> #15 COMPARE_OP')
    +166: i6 = int_lt(i4, 10000)
    guard_true(i6, descr=<Guard0x3>) [p1, p0, p2, p3, i4]
    debug_merge_point(0, 0, '<code object f. file 'x.py'. line 2> #27 INPLACE_ADD')
    +179: i8 = int_add(i4, 1)
    debug_merge_point(0, 0, '<code object f. file 'x.py'. line 2> #31 JUMP_ABSOLUTE')
    +183: i10 = getfield_raw(40564608, descr=<SignedFieldDescr pypysig_long_struct.c_value 0>)
    +191: i12 = int_sub(i10, 1)
    +195: setfield_raw(40564608, i12, descr=<SignedFieldDescr pypysig_long_struct.c_value 0>)
    +203: i14 = int_lt(i12, 0)
    guard_false(i14, descr=<Guard0x4>) [p1, p0, p2, p3, i8, None]
    debug_merge_point(0, '<code object f. file 'x.py'. line 2> #9 LOAD_FAST')
    +213: jump(p0, p1, p2, p3, i8, descr=<Loop0>)
    +218: --end of the loop--""", backend_dump=backend_dump,
                 dump_start=dump_start,
                 backend_tp='x86_64')
    except ObjdumpNotFound:
        py.test.skip('no objdump found on path')
    cmp = loop.operations[1]
    assert 'jge' in cmp.asm
    assert '0x2710' in cmp.asm
    assert 'jmp' in loop.operations[-1].asm
Example #2
0
def setup():
    from rpython.jit.backend import detect_cpu
    if detect_cpu.autodetect().startswith(detect_cpu.MODEL_S390_64):
        raise VMProfPlatformUnsupported("rvmprof not supported on"
                                        " s390x CPUs for now")
    compile_extra = ['-DRPYTHON_LL2CTYPES']
    platform.verify_eci(ExternalCompilationInfo(
        compile_extra=compile_extra,
        **eci_kwds))

    eci = global_eci
    vmprof_init = rffi.llexternal("vmprof_init",
                                  [rffi.INT, rffi.DOUBLE, rffi.CCHARP],
                                  rffi.CCHARP, compilation_info=eci)
    vmprof_enable = rffi.llexternal("vmprof_enable", [], rffi.INT,
                                    compilation_info=eci,
                                    save_err=rffi.RFFI_SAVE_ERRNO)
    vmprof_disable = rffi.llexternal("vmprof_disable", [], rffi.INT,
                                     compilation_info=eci,
                                     save_err=rffi.RFFI_SAVE_ERRNO)
    vmprof_register_virtual_function = rffi.llexternal(
                                           "vmprof_register_virtual_function",
                                           [rffi.CCHARP, rffi.LONG, rffi.INT],
                                           rffi.INT, compilation_info=eci)
    vmprof_ignore_signals = rffi.llexternal("vmprof_ignore_signals",
                                            [rffi.INT], lltype.Void,
                                            compilation_info=eci,
                                            _nowrapper=True)
    return CInterface(locals())
Example #3
0
def test_import_log_2():
    if not autodetect().startswith("x86"):
        py.test.skip("x86 only test")
    _, loops = import_log(str(py.path.local(__file__).join("..", "logtest2.log")))
    for loop in loops:
        loop.force_asm()
    assert "cmp" in loops[1].operations[2].asm
Example #4
0
 def setup_after_space_initialization(self):
     """NOT_RPYTHON"""
     if not self.space.config.translating:
         self.extra_interpdef('interp_pdb', 'interp_magic.interp_pdb')
     if self.space.config.objspace.std.withmethodcachecounter:
         self.extra_interpdef('method_cache_counter',
                              'interp_magic.method_cache_counter')
         self.extra_interpdef('reset_method_cache_counter',
                              'interp_magic.reset_method_cache_counter')
         if self.space.config.objspace.std.withmapdict:
             self.extra_interpdef('mapdict_cache_counter',
                                  'interp_magic.mapdict_cache_counter')
     PYC_MAGIC = get_pyc_magic(self.space)
     self.extra_interpdef('PYC_MAGIC', 'space.wrap(%d)' % PYC_MAGIC)
     #
     try:
         from rpython.jit.backend import detect_cpu
         model = detect_cpu.autodetect()
         self.extra_interpdef('cpumodel', 'space.wrap(%r)' % model)
     except Exception:
         if self.space.config.translation.jit:
             raise
         else:
             pass   # ok fine to ignore in this case
     #
     if self.space.config.translation.jit:
         features = detect_cpu.getcpufeatures(model)
         self.extra_interpdef('jit_backend_features',
                                 'space.wrap(%r)' % features)
Example #5
0
def test_parsing_arm_assembler():
    if not autodetect().startswith("arm"):
        py.test.skip("ARM only test")
    backend_dump = "F04F2DE9108B2DED2CD04DE20DB0A0E17CC302E3DFC040E300409CE5085084E2086000E3006084E504B084E500508CE508D04BE20000A0E10000A0E1B0A10DE30EA044E300A09AE501A08AE2B0910DE30E9044E300A089E5C0910DE30E9044E3009099E5019089E2C0A10DE30EA044E300908AE5010050E1700020E124A092E500C08AE00C90DCE5288000E3090058E10180A0030080A013297000E3090057E10170A0030070A013077088E1200059E30180A0030080A013099049E2050059E30190A0330090A023099088E1000059E30190A0130090A003099087E1000059E3700020E1010080E204200BE5D0210DE30E2044E3002092E5012082E2D0910DE30E9044E3002089E5010050E1700020E100C08AE00C90DCE5282000E3090052E10120A0030020A013297000E3090057E10170A0030070A013077082E1200059E30120A0030020A013099049E2050059E30190A0330090A023099082E1000059E30190A0130090A003099087E1000059E3700020E1010080E20D005BE10FF0A0A1700020E1D8FFFFEA68C100E301C04BE33CFF2FE105010803560000000000000068C100E301C04BE33CFF2FE105010803570000000000000068C100E301C04BE33CFF2FE105014003580000000000000068C100E301C04BE33CFF2FE1050140035900000000000000"
    dump_start = int(-0x4FFEE930)
    loop = parse(
        """
# Loop 5 (re StrMatchIn at 92 [17, 4, 0, 20, 393237, 21, 0, 29, 9, 1, 65535, 15, 4, 9, 3, 0, 1, 21, 1, 29, 9, 1, 65535, 15, 4, 9, 2, 0, 1, 1...) : loop with 38 ops
[i0, i1, p2]
+88: label(i0, i1, p2, descr=TargetToken(1081858608))
debug_merge_point(0, 're StrMatchIn at 92 [17. 4. 0. 20. 393237. 21. 0. 29. 9. 1. 65535. 15. 4. 9. 3. 0. 1. 21. 1. 29. 9. 1. 65535. 15. 4. 9. 2. 0. 1. 1...')
+116: i3 = int_lt(i0, i1)
guard_true(i3, descr=<Guard0x86>) [i1, i0, p2]
+124: p4 = getfield_gc(p2, descr=<FieldP rpython.rlib.rsre.rsre_core.StrMatchContext.inst__string 36>)
+128: i5 = strgetitem(p4, i0)
+136: i7 = int_eq(40, i5)
+152: i9 = int_eq(41, i5)
+168: i10 = int_or(i7, i9)
+172: i12 = int_eq(i5, 32)
+184: i14 = int_sub(i5, 9)
+188: i16 = uint_lt(i14, 5)
+200: i17 = int_or(i12, i16)
+204: i18 = int_is_true(i17)
+216: i19 = int_or(i10, i18)
+220: i20 = int_is_true(i19)
guard_false(i20, descr=<Guard0x87>) [i1, i0, p2]
+228: i22 = int_add(i0, 1)
debug_merge_point(0, 're StrMatchIn at 92 [17. 4. 0. 20. 393237. 21. 0. 29. 9. 1. 65535. 15. 4. 9. 3. 0. 1. 21. 1. 29. 9. 1. 65535. 15. 4. 9. 2. 0. 1. 1...')
+232: label(i22, i1, p2, p4, descr=TargetToken(1081858656))
debug_merge_point(0, 're StrMatchIn at 92 [17. 4. 0. 20. 393237. 21. 0. 29. 9. 1. 65535. 15. 4. 9. 3. 0. 1. 21. 1. 29. 9. 1. 65535. 15. 4. 9. 2. 0. 1. 1...')
+264: i23 = int_lt(i22, i1)
guard_true(i23, descr=<Guard0x88>) [i1, i22, p2]
+272: i24 = strgetitem(p4, i22)
+280: i25 = int_eq(40, i24)
+296: i26 = int_eq(41, i24)
+312: i27 = int_or(i25, i26)
+316: i28 = int_eq(i24, 32)
+328: i29 = int_sub(i24, 9)
+332: i30 = uint_lt(i29, 5)
+344: i31 = int_or(i28, i30)
+348: i32 = int_is_true(i31)
+360: i33 = int_or(i27, i32)
+364: i34 = int_is_true(i33)
guard_false(i34, descr=<Guard0x8a>) [i1, i22, p2]
+372: i35 = int_add(i22, 1)
debug_merge_point(0, 're StrMatchIn at 92 [17. 4. 0. 20. 393237. 21. 0. 29. 9. 1. 65535. 15. 4. 9. 3. 0. 1. 21. 1. 29. 9. 1. 65535. 15. 4. 9. 2. 0. 1. 1...')
+376: jump(i35, i1, p2, p4, descr=TargetToken(1081858656))
+392: --end of the loop--""",
        backend_dump=backend_dump,
        dump_start=dump_start,
        backend_tp="arm_32",
    )
    cmp = loop.operations[2]
    assert "cmp" in cmp.asm
    assert "bkpt" in loop.operations[-1].asm  # the guard that would be patched
Example #6
0
def test_import_log_2():
    if not autodetect().startswith('x86'):
        py.test.skip('x86 only test')
    _, loops = import_log(str(py.path.local(__file__).join('..',
                                                           'logtest2.log')))
    try:
        for loop in loops:
            loop.force_asm()
    except ObjdumpNotFound:
        py.test.skip('no objdump found on path')
    assert 'cmp' in loops[1].operations[2].asm
Example #7
0
def test_jitted():
    from rpython.jit.backend import detect_cpu

    if not detect_cpu.autodetect().startswith("x86"):
        py.test.skip("HAS_CODEMAP is only in the x86 jit backend for now")

    class MyCode:
        pass

    def get_name(mycode):
        raise NotImplementedError

    rvmprof.register_code_object_class(MyCode, get_name)

    jitdriver = jit.JitDriver(
        greens=["code"], reds="auto", is_recursive=True, get_unique_id=lambda code: rvmprof.get_unique_id(code)
    )

    @rvmprof.vmprof_execute_code("mycode", lambda code, level, total_i: code)
    def mainloop(code, level, total_i):
        i = 20
        while i > 0:
            jitdriver.jit_merge_point(code=code)
            i -= 1
            if level > 0:
                mainloop(code, level - 1, total_i + i)
        if level == 0 and total_i == 0:
            p, length = traceback.traceback(20)
            traceback.walk_traceback(MyCode, my_callback, 42, p, length)
            lltype.free(p, flavor="raw")

    def my_callback(code, loc, arg):
        print code, loc, arg
        return 0

    def f(argv):
        jit.set_param(jitdriver, "inlining", 0)
        code1 = MyCode()
        rvmprof.register_code(code1, "foo")
        mainloop(code1, 2, 0)
        return 0

    t = Translation(f, None, gc="boehm")
    t.rtype()
    t.driver.pyjitpl_lltype()
    t.compile_c()
    stdout = t.driver.cbuilder.cmdexec("")
    r = re.compile("[<]MyCode object at 0x([0-9a-f]+)[>] (\d) 42\n")
    got = r.findall(stdout)
    addr = got[0][0]
    assert got == [(addr, "1"), (addr, "1"), (addr, "0")]
Example #8
0
def setup():
    if not detect_cpu.autodetect().startswith(detect_cpu.MODEL_X86_64):
        raise VMProfPlatformUnsupported("rvmprof only supports"
                                        " x86-64 CPUs for now")


    ROOT = py.path.local(rpythonroot).join('rpython', 'rlib', 'rvmprof')
    SRC = ROOT.join('src')


    if sys.platform.startswith('linux'):
        libs = ['dl']
    else:
        libs = []

    eci_kwds = dict(
        include_dirs = [SRC],
        includes = ['rvmprof.h'],
        libraries = libs,
        separate_module_files = [SRC.join('rvmprof.c')],
        post_include_bits=['#define RPYTHON_VMPROF\n'],
        )
    eci = ExternalCompilationInfo(**eci_kwds)

    platform.verify_eci(ExternalCompilationInfo(
        compile_extra=['-DRPYTHON_LL2CTYPES'],
        **eci_kwds))


    vmprof_init = rffi.llexternal("vmprof_init",
                                  [rffi.INT, rffi.DOUBLE, rffi.CCHARP],
                                  rffi.CCHARP, compilation_info=eci)
    vmprof_enable = rffi.llexternal("vmprof_enable", [], rffi.INT,
                                    compilation_info=eci,
                                    save_err=rffi.RFFI_SAVE_ERRNO)
    vmprof_disable = rffi.llexternal("vmprof_disable", [], rffi.INT,
                                     compilation_info=eci,
                                     save_err=rffi.RFFI_SAVE_ERRNO)
    vmprof_register_virtual_function = rffi.llexternal(
                                           "vmprof_register_virtual_function",
                                           [rffi.CCHARP, rffi.LONG, rffi.INT],
                                           rffi.INT, compilation_info=eci)
    vmprof_ignore_signals = rffi.llexternal("vmprof_ignore_signals",
                                            [rffi.INT], lltype.Void,
                                            compilation_info=eci)
    return CInterface(locals())
Example #9
0
def make_trampoline_function(name, func, token, restok):
    from rpython.jit.backend import detect_cpu

    cont_name = 'rpyvmprof_f_%s_%s' % (name, token)
    tramp_name = 'rpyvmprof_t_%s_%s' % (name, token)
    orig_tramp_name = tramp_name

    func.c_name = cont_name
    func._dont_inline_ = True

    if sys.platform == 'darwin':
        # according to internet "At the time UNIX was written in 1974...."
        # "... all C functions are prefixed with _"
        cont_name = '_' + cont_name
        tramp_name = '_' + tramp_name
        PLT = ""
    else:
        PLT = "@PLT"

    assert detect_cpu.autodetect().startswith(
        detect_cpu.MODEL_X86_64), ("rvmprof only supports x86-64 CPUs for now")

    # mapping of argument count (not counting the final uid argument) to
    # the register that holds this uid argument
    reg = {
        0: '%rdi',
        1: '%rsi',
        2: '%rdx',
        3: '%rcx',
        4: '%r8',
        5: '%r9',
    }
    try:
        reg = reg[len(token)]
    except KeyError:
        raise NotImplementedError(
            "not supported: %r takes more than 5 arguments" % (func, ))

    target = udir.join('module_cache')
    target.ensure(dir=1)
    target = target.join('trampoline_%s_%s.vmprof.s' % (name, token))
    target.write("""\
\t.text
\t.globl\t%(tramp_name)s
%(tramp_name)s:
\t.cfi_startproc
\tpushq\t%(reg)s
\t.cfi_def_cfa_offset 16
\tcall %(cont_name)s%(PLT)s
\taddq\t$8, %%rsp
\t.cfi_def_cfa_offset 8
\tret
\t.cfi_endproc
""" % locals())

    def tok2cname(tok):
        if tok == 'i':
            return 'long'
        if tok == 'r':
            return 'void *'
        raise NotImplementedError(repr(tok))

    header = 'RPY_EXTERN %s %s(%s);\n' % (tok2cname(
        restok), orig_tramp_name, ', '.join([tok2cname(tok)
                                             for tok in token] + ['long']))

    header += """\
static int cmp_%s(void *addr) {
    if (addr == %s) return 1;
#ifdef VMPROF_ADDR_OF_TRAMPOLINE
    return VMPROF_ADDR_OF_TRAMPOLINE(addr);
#undef VMPROF_ADDR_OF_TRAMPOLINE
#else
    return 0;
#endif
#define VMPROF_ADDR_OF_TRAMPOLINE cmp_%s
}
""" % (tramp_name, orig_tramp_name, tramp_name)

    eci = ExternalCompilationInfo(
        post_include_bits=[header],
        separate_module_files=[str(target)],
    )

    return rffi.llexternal(orig_tramp_name,
                           [token2lltype(tok)
                            for tok in token] + [lltype.Signed],
                           token2lltype(restok),
                           compilation_info=eci,
                           _nowrapper=True,
                           sandboxsafe=True,
                           random_effects_on_gcobjs=True)
Example #10
0
import py
from rpython.jit.backend import detect_cpu

cpu = detect_cpu.autodetect()


def pytest_runtest_setup(item):
    if cpu != detect_cpu.MODEL_X86_64:
        py.test.skip("x86_64 tests only")
Example #11
0
    TP = lltype.typeOf(item)
    rffi.cast(rffi.CArrayPtr(TP), rffi.ptradd(storage, index))[0] = item


@specialize.arg(1)
def free_raw_storage(storage, track_allocation=True):
    lltype.free(storage, flavor='raw', track_allocation=track_allocation)


# ____________________________________________________________
#
# Support for possibly-unaligned accesses

from rpython.jit.backend import detect_cpu
try:
    cpuname = detect_cpu.autodetect()
    misaligned_is_fine = cpuname.startswith('x86') or \
                         cpuname.startswith('s390x') or \
                         cpuname.startswith('ppc')
    del cpuname
except detect_cpu.ProcessorAutodetectError:
    misaligned_is_fine = False


class AlignmentError(NotImplementedError):
    "Means that raw_storage_{get,set}item was used on unaligned memory"


# Tweak?  It seems a reasonable value for any system out there: requiring
# an aligned access to be up to 8-bytes-aligned, even for 64-bit data
# types on 32-bit systems.
Example #12
0
"""
This conftest adds an option to run the translation tests which by default will
be disabled.
Also it disables the backend tests on non ARMv7 platforms
"""
import py, os
from rpython.jit.backend import detect_cpu

cpu = detect_cpu.autodetect()

def pytest_addoption(parser):
    group = parser.getgroup('translation test options')
    group.addoption('--run-translation-tests',
                    action="store_true",
                    default=False,
                    dest="run_translation_tests",
                    help="run tests that translate code")

def pytest_collect_directory(path, parent):
    if not cpu.startswith('arm'):
        py.test.skip("ARM(v7) tests skipped: cpu is %r" % (cpu,))
pytest_collect_file = pytest_collect_directory
Example #13
0
def make_trampoline_function(name, func, token, restok):
    from rpython.jit.backend import detect_cpu

    cont_name = 'rpyvmprof_f_%s_%s' % (name, token)
    tramp_name = 'rpyvmprof_t_%s_%s' % (name, token)
    orig_tramp_name = tramp_name

    func.c_name = cont_name
    func._dont_inline_ = True

    if sys.platform == 'darwin':
        # according to internet "At the time UNIX was written in 1974...."
        # "... all C functions are prefixed with _"
        cont_name = '_' + cont_name
        tramp_name = '_' + tramp_name
        PLT = ""
        size_decl = ""
        type_decl = ""
        extra_align = ""
    else:
        PLT = "@PLT"
        type_decl = "\t.type\t%s, @function" % (tramp_name,)
        size_decl = "\t.size\t%s, .-%s" % (
            tramp_name, tramp_name)
        extra_align = "\t.cfi_def_cfa_offset 8"

    assert detect_cpu.autodetect().startswith(detect_cpu.MODEL_X86_64), (
        "rvmprof only supports x86-64 CPUs for now")

    # mapping of argument count (not counting the final uid argument) to
    # the register that holds this uid argument
    reg = {0: '%rdi',
           1: '%rsi',
           2: '%rdx',
           3: '%rcx',
           4: '%r8',
           5: '%r9',
           }
    try:
        reg = reg[len(token)]
    except KeyError:
        raise NotImplementedError(
            "not supported: %r takes more than 5 arguments" % (func,))

    target = udir.join('module_cache')
    target.ensure(dir=1)
    target = target.join('trampoline_%s_%s.vmprof.s' % (name, token))
    # NOTE! the tabs in this file are absolutely essential, things
    #       that don't start with \t are silently ignored (<arigato>: WAT!?)
    target.write("""\
\t.text
\t.globl\t%(tramp_name)s
%(type_decl)s
%(tramp_name)s:
\t.cfi_startproc
\tpushq\t%(reg)s
\t.cfi_def_cfa_offset 16
\tcall %(cont_name)s%(PLT)s
\taddq\t$8, %%rsp
%(extra_align)s
\tret
\t.cfi_endproc
%(size_decl)s
""" % locals())

    def tok2cname(tok):
        if tok == 'i':
            return 'long'
        if tok == 'r':
            return 'void *'
        raise NotImplementedError(repr(tok))

    header = 'RPY_EXTERN %s %s(%s);\n' % (
        tok2cname(restok),
        orig_tramp_name,
        ', '.join([tok2cname(tok) for tok in token] + ['long']))

    header += """\
static int cmp_%s(void *addr) {
    if (addr == %s) return 1;
#ifdef VMPROF_ADDR_OF_TRAMPOLINE
    return VMPROF_ADDR_OF_TRAMPOLINE(addr);
#undef VMPROF_ADDR_OF_TRAMPOLINE
#else
    return 0;
#endif
#define VMPROF_ADDR_OF_TRAMPOLINE cmp_%s
}
""" % (tramp_name, orig_tramp_name, tramp_name)

    eci = ExternalCompilationInfo(
        post_include_bits = [header],
        separate_module_files = [str(target)],
    )

    return rffi.llexternal(
        orig_tramp_name,
        [token2lltype(tok) for tok in token] + [lltype.Signed],
        token2lltype(restok),
        compilation_info=eci,
        _nowrapper=True, sandboxsafe=True,
        random_effects_on_gcobjs=True)
Example #14
0
# --allworkingmodules
working_modules = default_modules.copy()
working_modules.update([
    "_socket", "unicodedata", "mmap", "fcntl", "_locale", "pwd", "select",
    "zipimport", "_lsprof", "crypt", "signal", "_rawffi", "termios", "zlib",
    "bz2", "struct", "_hashlib", "_md5", "_sha", "_minimal_curses",
    "cStringIO", "thread", "itertools", "pyexpat", "_ssl", "cpyext", "array",
    "binascii", "_multiprocessing", '_warnings', "_collections",
    "_multibytecodec", "micronumpy", "_continuation", "_cffi_backend", "_csv",
    "_cppyy", "_pypyjson", "_jitlog"
])

from rpython.jit.backend import detect_cpu
try:
    if detect_cpu.autodetect().startswith('x86'):
        if not sys.platform.startswith('openbsd'):
            working_modules.add('_vmprof')
            working_modules.add('faulthandler')
except detect_cpu.ProcessorAutodetectError:
    pass

translation_modules = default_modules.copy()
translation_modules.update([
    "fcntl",
    "time",
    "select",
    "signal",
    "_rawffi",
    "zlib",
    "struct",
Example #15
0
from rpython.jit.backend.detect_cpu import autodetect, ProcessorAutodetectError

# accelerators for string operations using simd on regular word sizes (*not*
# SSE instructions). this style is sometimes called SWAR (SIMD Within A
# Register) or "broadword techniques"

# XXX remove wordsize and endianness restrictions properly, so far only x86-64
# is tested

USE_SIMD = False
if LONG_BIT == 64:
    WORD_SIZE = 8
    EVERY_BYTE_ONE = 0x0101010101010101
    EVERY_BYTE_HIGHEST_BIT = 0x8080808080808080
    try:
        if autodetect() == "x86-64":
            USE_SIMD = True
    except ProcessorAutodetectError:
        pass
else:
    WORD_SIZE = 4
    EVERY_BYTE_ONE = 0x01010101
    EVERY_BYTE_HIGHEST_BIT = 0x80808080

# helpers

unrolling_wordsize = unroll.unrolling_iterable(range(WORD_SIZE))


def char_repeated_word_width(ch):
    return r_uint(EVERY_BYTE_ONE) * ord(ch)
    TP = lltype.typeOf(item)
    rffi.cast(rffi.CArrayPtr(TP), rffi.ptradd(storage, index))[0] = item


@specialize.arg(1)
def free_raw_storage(storage, track_allocation=True):
    lltype.free(storage, flavor='raw', track_allocation=track_allocation)


# ____________________________________________________________
#
# Support for possibly-unaligned accesses

from rpython.jit.backend import detect_cpu
try:
    misaligned_is_fine = detect_cpu.autodetect().startswith('x86')
except detect_cpu.ProcessorAutodetectError:
    misaligned_is_fine = False


class AlignmentError(NotImplementedError):
    "Means that raw_storage_{get,set}item was used on unaligned memory"


# Tweak?  It seems a reasonable value for any system out there: requiring
# an aligned access to be up to 8-bytes-aligned, even for 64-bit data
# types on 32-bit systems.
MAXIMUM_ALIGNMENT = 8


@specialize.memo()
Example #17
0
from rpython.rlib import rthread, jit
from rpython.rlib.objectmodel import we_are_translated
from rpython.config.translationoption import get_translation_config
from rpython.jit.backend import detect_cpu


class VMProfPlatformUnsupported(Exception):
    pass


# vmprof works only on x86 for now
IS_SUPPORTED = False
if sys.platform in ('darwin', 'linux',
                    'linux2') or sys.platform.startswith('freebsd'):
    try:
        IS_SUPPORTED = detect_cpu.autodetect().startswith('x86')
    except detect_cpu.ProcessorAutodetectError:
        pass

ROOT = py.path.local(rpythonroot).join('rpython', 'rlib', 'rvmprof')
SRC = ROOT.join('src')
SHARED = SRC.join('shared')
BACKTRACE = SHARED.join('libbacktrace')


def make_eci():
    if make_eci.called:
        raise ValueError("make_eci() should be called at most once")
    #
    compile_extra = ['-DRPYTHON_VMPROF']
    separate_module_files = [
Example #18
0
def raw_storage_setitem_unchecked(storage, index, item):
    "NOT_RPYTHON"
    TP = lltype.typeOf(item)
    rffi.cast(rffi.CArrayPtr(TP), rffi.ptradd(storage, index))[0] = item

@specialize.arg(1)
def free_raw_storage(storage, track_allocation=True):
    lltype.free(storage, flavor='raw', track_allocation=track_allocation)

# ____________________________________________________________
#
# Support for possibly-unaligned accesses

from rpython.jit.backend import detect_cpu
try:
    misaligned_is_fine = detect_cpu.autodetect().startswith('x86')
except detect_cpu.ProcessorAutodetectError:
    misaligned_is_fine = False


class AlignmentError(NotImplementedError):
    "Means that raw_storage_{get,set}item was used on unaligned memory"

# Tweak?  It seems a reasonable value for any system out there: requiring
# an aligned access to be up to 8-bytes-aligned, even for 64-bit data
# types on 32-bit systems.
MAXIMUM_ALIGNMENT = 8

@specialize.memo()
def _get_alignment_mask(TP):
    size = rffi.sizeof(TP)
Example #19
0
@not_rpython
def _raw_storage_setitem_unchecked(storage, index, item):
    TP = lltype.typeOf(item)
    rffi.cast(rffi.CArrayPtr(TP), rffi.ptradd(storage, index))[0] = item

@specialize.arg(1)
def free_raw_storage(storage, track_allocation=True):
    lltype.free(storage, flavor='raw', track_allocation=track_allocation)

# ____________________________________________________________
#
# Support for possibly-unaligned accesses

from rpython.jit.backend import detect_cpu
try:
    cpuname = detect_cpu.autodetect()
    misaligned_is_fine = cpuname.startswith('x86') or \
                         cpuname.startswith('s390x') or \
                         cpuname.startswith('ppc')
    del cpuname
except detect_cpu.ProcessorAutodetectError:
    misaligned_is_fine = False


class AlignmentError(NotImplementedError):
    "Means that raw_storage_{get,set}item was used on unaligned memory"

# Tweak?  It seems a reasonable value for any system out there: requiring
# an aligned access to be up to 8-bytes-aligned, even for 64-bit data
# types on 32-bit systems.
MAXIMUM_ALIGNMENT = 8
Example #20
0
# --allworkingmodules
working_modules = default_modules.copy()
working_modules.update([
    "_socket", "unicodedata", "mmap", "fcntl", "_locale", "pwd",
    "select", "zipimport", "_lsprof", "crypt", "signal", "_rawffi", "termios",
    "zlib", "bz2", "struct", "_hashlib", "_md5", "_sha", "_minimal_curses",
    "cStringIO", "thread", "itertools", "pyexpat", "_ssl", "cpyext", "array",
    "binascii", "_multiprocessing", '_warnings', "_collections",
    "_multibytecodec", "micronumpy", "_continuation", "_cffi_backend",
    "_csv", "cppyy", "_pypyjson",
])

from rpython.jit.backend import detect_cpu
try:
    if detect_cpu.autodetect().startswith('x86'):
        working_modules.add('_vmprof')
except detect_cpu.ProcessorAutodetectError:
    pass

translation_modules = default_modules.copy()
translation_modules.update([
    "fcntl", "time", "select", "signal", "_rawffi", "zlib", "struct", "_md5",
    "cStringIO", "array", "binascii",
    # the following are needed for pyrepl (and hence for the
    # interactive prompt/pdb)
    "termios", "_minimal_curses",
])

# XXX this should move somewhere else, maybe to platform ("is this posixish"
#     check or something)
Example #21
0
File: cintf.py Project: Mu-L/pypy
from rpython.rtyper.lltypesystem.lloperation import llop
from rpython.translator.tool.cbuild import ExternalCompilationInfo
from rpython.rtyper.tool import rffi_platform as platform
from rpython.rlib import rthread, jit
from rpython.rlib.objectmodel import we_are_translated
from rpython.config.translationoption import get_translation_config
from rpython.jit.backend import detect_cpu

class VMProfPlatformUnsupported(Exception):
    pass

# vmprof works only on x86 for now
IS_SUPPORTED = False
if sys.platform in ('darwin', 'linux', 'linux2') or sys.platform.startswith('freebsd'):
    try:
        proc = detect_cpu.autodetect()
        IS_SUPPORTED = proc.startswith('x86') or proc == 'aarch64'
    except detect_cpu.ProcessorAutodetectError:
        print("PROCESSOR NOT DETECTED, SKIPPING VMPROF")

ROOT = py.path.local(rpythonroot).join('rpython', 'rlib', 'rvmprof')
SRC = ROOT.join('src')
SHARED = SRC.join('shared')
BACKTRACE = SHARED.join('libbacktrace')

def make_eci():
    if make_eci.called:
        raise ValueError("make_eci() should be called at most once")
    #
    compile_extra = ['-DRPYTHON_VMPROF']
    separate_module_files = [