Beispiel #1
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        public static PyIntObject Create(DkmProcess process, int value) {
            var allocator = process.GetDataItem<PyObjectAllocator>();
            Debug.Assert(allocator != null);

            var result = allocator.Allocate<PyIntObject>();
            result.ob_ival.Write(value);
            return result;
        }
Beispiel #2
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        public static PyComplexObject Create(DkmProcess process, Complex value) {
            var allocator = process.GetDataItem<PyObjectAllocator>();
            Debug.Assert(allocator != null);

            var result = allocator.Allocate<PyComplexObject>();
            result.cval.real.Write(value.Real);
            result.cval.imag.Write(value.Imaginary);
            return result;
        }
Beispiel #3
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        public static PyBytesObject Create(DkmProcess process, AsciiString value) {
            var allocator = process.GetDataItem<PyObjectAllocator>();
            Debug.Assert(allocator != null);

            var result = allocator.Allocate<PyBytesObject>(value.Bytes.Length);
            result.ob_size.Write(value.Bytes.Length);
            process.WriteMemory(result.ob_sval.Address, value.Bytes);

            return result;
        }
Beispiel #4
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        public static PyUnicodeObject27 Create(DkmProcess process, string value) {
            // Allocate string buffer together with the object itself in a single block.
            var allocator = process.GetDataItem<PyObjectAllocator>();
            Debug.Assert(allocator != null);

            var result = allocator.Allocate<PyUnicodeObject27>(value.Length * 2);
            result.length.Write(value.Length);

            var str = result.Address.OffsetBy(StructProxy.SizeOf<PyUnicodeObject27>(process));
            result.str.Raw.Write(str);

            var buf = Encoding.Unicode.GetBytes(value);
            process.WriteMemory(str, buf);

            return result;
        }
Beispiel #5
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        public static PyLongObject Create(DkmProcess process, BigInteger value) {
            var allocator = process.GetDataItem<PyObjectAllocator>();
            Debug.Assert(allocator != null);

            var bitsInDigit = process.Is64Bit() ? 30 : 15;
            var bytesInDigit = process.Is64Bit() ? 4 : 2;

            var absValue = BigInteger.Abs(value);
            long numDigits = 0;
            for (var t = absValue; t != 0; ) {
                ++numDigits;
                t >>= bitsInDigit;
            }

            var result = allocator.Allocate<PyLongObject>(numDigits * bytesInDigit);

            if (value == 0) {
                result.ob_size.Write(0);
            } else if (value > 0) {
                result.ob_size.Write(numDigits);
            } else if (value < 0) {
                result.ob_size.Write(-numDigits);
            }

            if (bitsInDigit == 15) {
                for (var digitPtr = new UInt16Proxy(process, result.ob_digit.Address); absValue != 0; digitPtr = digitPtr.GetAdjacentProxy(1)) {
                    digitPtr.Write((ushort)(absValue % (1 << bitsInDigit)));
                    absValue >>= bitsInDigit;
                }
            } else {
                for (var digitPtr = new UInt32Proxy(process, result.ob_digit.Address); absValue != 0; digitPtr = digitPtr.GetAdjacentProxy(1)) {
                    digitPtr.Write((uint)(absValue % (1 << bitsInDigit)));
                    absValue >>= bitsInDigit;
                }
            }

            return result;
        }
Beispiel #6
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        public static PyUnicodeObject33 Create(DkmProcess process, string value) {
            var allocator = process.GetDataItem<PyObjectAllocator>();
            Debug.Assert(allocator != null);

            var result = allocator.Allocate<PyUnicodeObject33>(value.Length * sizeof(char));

            result._asciiObject.hash.Write(-1);
            result._asciiObject.length.Write(value.Length);
            result._compactObject.wstr_length.Write(value.Length);

            var state = new State {
                interned = Interned.SSTATE_NOT_INTERNED,
                kind = PyUnicode_Kind.PyUnicode_2BYTE_KIND,
                compact = true,
                ascii = false,
                ready = true
            };
            result._asciiObject.state.Write((byte)state);

            ulong dataPtr = result.Address.OffsetBy(StructProxy.SizeOf<PyCompactUnicodeObject>(process));
            result._asciiObject.wstr.Write(dataPtr);
            process.WriteMemory(dataPtr, Encoding.Unicode.GetBytes(value));

            return result;
        }