Daco Harkes
546ddc645e
Change-Id: Iaa29e2df68875fbb363ab2ac5cd59cc99e65532b Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/422102 Auto-Submit: Daco Harkes <dacoharkes@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Daco Harkes <dacoharkes@google.com>
143 lines
3.6 KiB
Dart
143 lines
3.6 KiB
Dart
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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//
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// Dart test program for testing dart:ffi struct pointers.
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//
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// VMOptions=--deterministic
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//
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// SharedObjects=ffi_test_functions
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import 'dart:ffi';
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import 'dylib_utils.dart';
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import 'ffi_test_helpers.dart';
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/// Estimate of how many allocations functions in `functionsToTest` do at most.
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const gcAfterNAllocationsMax = 10;
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void main() {
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for (Function() f in functionsToTest) {
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f(); // Ensure code is compiled.
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for (int n = 1; n <= gcAfterNAllocationsMax; n++) {
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collectOnNthAllocation(n);
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f();
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}
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}
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}
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final List<Function()> functionsToTest = [
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// Pointer operations.
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() => highAddressPointer.cast<Double>(),
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() => Pointer.fromAddress(highAddressPointer.address),
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() => highAddressPointer.address,
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() => highAddressPointer + 1,
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() => highAddressPointer.offsetBy(1),
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() => highAddressPointer.asTypedList(1),
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// DynamicLibrary operations.
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doDlopen,
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doDlsym, // Includes `asFunction`.
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() => ffiTestFunctions.handle,
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// Trampolines.
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() => sumManyIntsOdd(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, mint64bit),
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() => sumManyDoubles(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0),
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minInt64,
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minInt32,
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smallDouble,
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largePointer,
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// Callback trampolines.
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//
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// In regress_37511_callbacks_test.dart because callbacks are not supported
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// in AOT yet.
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];
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// Pointer operation helpers.
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const mint32bit = 0xFFFFFFF0;
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const mint64bit = 0x7FFFFFFFFFFFFFF0;
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final int highAddress = sizeOf<IntPtr>() == 4 ? mint32bit : mint64bit;
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final Pointer<Int64> highAddressPointer = Pointer.fromAddress(highAddress);
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// Dynamic library operation helpers.
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final doDlopen = () => dlopenPlatformSpecific("ffi_test_functions");
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final doDlsym = () => ffiTestFunctions
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.lookupFunction<NativeNullaryOp, NullaryOpVoid>("TriggerGC");
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// Trampoline helpers.
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typedef NativeUndenaryOp =
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IntPtr Function(
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IntPtr,
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IntPtr,
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IntPtr,
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IntPtr,
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IntPtr,
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IntPtr,
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IntPtr,
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IntPtr,
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IntPtr,
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IntPtr,
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IntPtr,
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);
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typedef UndenaryOp =
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int Function(int, int, int, int, int, int, int, int, int, int, int);
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final UndenaryOp sumManyIntsOdd = ffiTestFunctions
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.lookupFunction<NativeUndenaryOp, UndenaryOp>("SumManyIntsOdd");
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typedef NativeDoubleDecenaryOp =
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Double Function(
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Double,
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Double,
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Double,
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Double,
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Double,
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Double,
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Double,
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Double,
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Double,
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Double,
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);
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typedef DoubleDecenaryOp =
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double Function(
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double,
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double,
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double,
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double,
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double,
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double,
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double,
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double,
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double,
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double,
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);
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final DoubleDecenaryOp sumManyDoubles = ffiTestFunctions
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.lookupFunction<NativeDoubleDecenaryOp, DoubleDecenaryOp>("SumManyDoubles");
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typedef NativeNullaryOp64 = Int64 Function();
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typedef NativeNullaryOp32 = Int32 Function();
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typedef NativeNullaryOpDouble = Double Function();
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typedef NullaryOpPtr = Pointer<Void> Function();
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typedef NullaryOp = int Function();
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typedef NullaryOpDbl = double Function();
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final minInt64 = ffiTestFunctions.lookupFunction<NativeNullaryOp64, NullaryOp>(
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"MinInt64",
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);
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final minInt32 = ffiTestFunctions.lookupFunction<NativeNullaryOp32, NullaryOp>(
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"MinInt32",
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);
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final smallDouble = ffiTestFunctions
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.lookupFunction<NativeNullaryOpDouble, NullaryOpDbl>("SmallDouble");
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final largePointer = ffiTestFunctions
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.lookupFunction<NullaryOpPtr, NullaryOpPtr>("LargePointer");
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