from openpower.decoder.isa.mem import Mem, MemMMap
from openpower.util import log
import ctypes
+from openpower.syscalls import ppc_flags
+import tempfile
class TestMem(unittest.TestCase):
0x00000160: 00 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF |.."3DUfw........|
""")
+ def make_mmap_with_pattern(self):
+ m = MemMMap(row_bytes=8, emulating_mmap=True)
+
+ prot = ppc_flags.PROT_READ | ppc_flags.PROT_WRITE
+ flags = ppc_flags.MAP_PRIVATE | ppc_flags.MAP_FIXED
+ retval = m.mmap_syscall(addr=1 << 16, length=15 << 16, prot=prot,
+ flags=flags, fd=-1, offset=0, is_mmap2=False)
+ self.assertEqual(retval, 1 << 16)
+
+ text = self.log_fancy_to_string(m)
+ self.assertEqual(text, """
+Memory:
+
+""")
+
+ for i in range(1, 16):
+ bytes_ = m.get_ctypes(i << 16, 16, True)
+
+ self.assertIsInstance(bytes_, ctypes.c_ubyte * 16)
+
+ for j in range(16):
+ bytes_[j] = i * 0x10 + j
+
+ text = self.log_fancy_to_string(m)
+ self.assertEqual(text, """
+Memory:
+0x00010000: 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F |................|
+*
+0x00020000: 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F | !"#$%&'()*+,-./|
+*
+0x00030000: 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F |0123456789:;<=>?|
+*
+0x00040000: 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F |@ABCDEFGHIJKLMNO|
+*
+0x00050000: 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F |PQRSTUVWXYZ[\]^_|
+*
+0x00060000: 60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F |`abcdefghijklmno|
+*
+0x00070000: 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F |pqrstuvwxyz{|}~.|
+*
+0x00080000: 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F |................|
+*
+0x00090000: 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F |................|
+*
+0x000A0000: A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF |................|
+*
+0x000B0000: B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF |................|
+*
+0x000C0000: C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF |................|
+*
+0x000D0000: D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF |................|
+*
+0x000E0000: E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF |................|
+*
+0x000F0000: F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF |................|
+""")
+ return m
+
+ def test_mmap_anon(self):
+ m = self.make_mmap_with_pattern()
+
+ prot = ppc_flags.PROT_READ | ppc_flags.PROT_WRITE
+ flags = ppc_flags.MAP_PRIVATE | ppc_flags.MAP_FIXED
+ retval = m.mmap_syscall(addr=3 << 16, length=2 << 16, prot=prot,
+ flags=flags, fd=-1, offset=0, is_mmap2=False)
+ self.assertEqual(retval, 3 << 16)
+
+ text = self.log_fancy_to_string(m)
+ self.assertEqual(text, """
+Memory:
+0x00010000: 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F |................|
+*
+0x00020000: 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F | !"#$%&'()*+,-./|
+*
+0x00050000: 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F |PQRSTUVWXYZ[\]^_|
+*
+0x00060000: 60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F |`abcdefghijklmno|
+*
+0x00070000: 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F |pqrstuvwxyz{|}~.|
+*
+0x00080000: 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F |................|
+*
+0x00090000: 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F |................|
+*
+0x000A0000: A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF |................|
+*
+0x000B0000: B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF |................|
+*
+0x000C0000: C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF |................|
+*
+0x000D0000: D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF |................|
+*
+0x000E0000: E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF |................|
+*
+0x000F0000: F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF |................|
+""")
+
+ def test_mmap_file(self):
+ m = self.make_mmap_with_pattern()
+ with tempfile.NamedTemporaryFile() as file:
+ file.truncate(5 << 16)
+ file.write(b"Shouldn't see this\n")
+ file.seek(1 << 16)
+ file.write(b"Shouldn't see this #2\n")
+ file.seek(2 << 16)
+ file.write(b"Hello World!\n")
+ file.seek(3 << 16)
+ file.write(b"Foo Bar\n")
+ file.seek(4 << 16)
+ file.write(b"Shouldn't see this #3\n")
+ file.flush()
+ fd = file.file.fileno()
+
+ prot = ppc_flags.PROT_READ | ppc_flags.PROT_WRITE
+ flags = ppc_flags.MAP_PRIVATE | ppc_flags.MAP_FIXED
+ retval = m.mmap_syscall(addr=3 << 16, length=2 << 16, prot=prot,
+ flags=flags, fd=fd, offset=2 << 16,
+ is_mmap2=False)
+ self.assertEqual(retval, 3 << 16)
+
+ text = self.log_fancy_to_string(m)
+ self.assertEqual(text, """
+Memory:
+0x00010000: 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F |................|
+*
+0x00020000: 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F | !"#$%&'()*+,-./|
+*
+0x00030000: 48 65 6C 6C 6F 20 57 6F 72 6C 64 21 0A 00 00 00 |Hello World!....|
+*
+0x00040000: 46 6F 6F 20 42 61 72 0A 00 00 00 00 00 00 00 00 |Foo Bar.........|
+*
+0x00050000: 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F |PQRSTUVWXYZ[\]^_|
+*
+0x00060000: 60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F |`abcdefghijklmno|
+*
+0x00070000: 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F |pqrstuvwxyz{|}~.|
+*
+0x00080000: 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F |................|
+*
+0x00090000: 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F |................|
+*
+0x000A0000: A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF |................|
+*
+0x000B0000: B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF |................|
+*
+0x000C0000: C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF |................|
+*
+0x000D0000: D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF |................|
+*
+0x000E0000: E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF |................|
+*
+0x000F0000: F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF |................|
+""")
+
+ bytes_ = m.get_ctypes(3 << 16, 16, True)
+
+ self.assertIsInstance(bytes_, ctypes.c_ubyte * 16)
+
+ for i in range(16):
+ bytes_[i] = i * 0x11
+
+ text = self.log_fancy_to_string(m)
+ self.assertEqual(text, """
+Memory:
+0x00010000: 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F |................|
+*
+0x00020000: 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F | !"#$%&'()*+,-./|
+*
+0x00030000: 00 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF |.."3DUfw........|
+*
+0x00040000: 46 6F 6F 20 42 61 72 0A 00 00 00 00 00 00 00 00 |Foo Bar.........|
+*
+0x00050000: 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F |PQRSTUVWXYZ[\]^_|
+*
+0x00060000: 60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F |`abcdefghijklmno|
+*
+0x00070000: 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F |pqrstuvwxyz{|}~.|
+*
+0x00080000: 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F |................|
+*
+0x00090000: 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F |................|
+*
+0x000A0000: A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF |................|
+*
+0x000B0000: B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF |................|
+*
+0x000C0000: C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF |................|
+*
+0x000D0000: D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF |................|
+*
+0x000E0000: E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF |................|
+*
+0x000F0000: F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF |................|
+""")
+
+ # assert file wasn't modified by memory write
+ file.seek(2 << 16)
+ bytes_ = file.read(16)
+ self.assertEqual(bytes_, b"Hello World!\n\0\0\0")
+
if __name__ == '__main__':
unittest.main()
projects / openpower-isa.git / commitdiff