def test_alloc_free():
map_size = 65536
data = alloc(map_size)
for i in range(0, map_size, 171):
data[i] = chr(i & 0xff)
for i in range(0, map_size, 171):
assert data[i] == chr(i & 0xff)
free(data, map_size)
def test_alloc_free():
map_size = 65536
data = alloc(map_size)
for i in range(0, map_size, 171):
data[i] = chr(i & 0xff)
for i in range(0, map_size, 171):
assert data[i] == chr(i & 0xff)
free(data, map_size)
def detect_sse2():
data = alloc(4096)
pos = 0
for c in ("\xB8\x01\x00\x00\x00" # MOV EAX, 1
"\x53" # PUSH EBX
"\x0F\xA2" # CPUID
"\x5B" # POP EBX
"\x92" # XCHG EAX, EDX
"\xC3"): # RET
data[pos] = c
pos += 1
fnptr = rffi.cast(lltype.Ptr(lltype.FuncType([], lltype.Signed)), data)
code = fnptr()
free(data, 4096)
return bool(code & (1<<25)) and bool(code & (1<<26))
def detect_sse2():
data = alloc(4096)
pos = 0
for c in ("\xB8\x01\x00\x00\x00" # MOV EAX, 1
"\x53" # PUSH EBX
"\x0F\xA2" # CPUID
"\x5B" # POP EBX
"\x92" # XCHG EAX, EDX
"\xC3"): # RET
data[pos] = c
pos += 1
fnptr = rffi.cast(lltype.Ptr(lltype.FuncType([], lltype.Signed)), data)
code = fnptr()
free(data, 4096)
return bool(code & (1 << 25)) and bool(code & (1 << 26))
def _delete(self):
"NOT_RPYTHON"
if self._allocated:
for data, size in self._allocated:
rmmap.free(data, size)
self._allocated = None
def __del__(self):
size = self._size
assert size >= 0
free(self._data, size)
def entry_point(argv):
one = alloc(1024)
free(one, 1024)
return 0
def entry_point(argv):
one = alloc(1024)
free(one, 1024)
return 0
def _delete(self):
"NOT_RPYTHON"
if self._allocated:
for data, size in self._allocated:
rmmap.free(data, size)
self._allocated = None
def __del__(self):
size = self._size
assert size >= 0
free(self._data, size)
