Commit Graph

59 Commits

Author SHA1 Message Date
Daco Harkes 8a2b7bb5d5 [vm/ffi] Support Unions
Closes: https://github.com/dart-lang/sdk/issues/38491

tools/test.py ffi ffi_2
TEST=tests/ffi(_2)/(.*)by_value_(*.)_test.dart

Change-Id: I6d29f7e3c3046cda4a15c9b42063c66b064787be
Cq-Include-Trybots: luci.dart.try:dart-sdk-linux-try,dart-sdk-mac-try,dart-sdk-win-try,vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-mac-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-linux-debug-x64-try,vm-kernel-nnbd-linux-debug-x64-try,vm-kernel-nnbd-linux-debug-ia32-try,vm-kernel-nnbd-mac-release-x64-try,vm-kernel-nnbd-win-debug-x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-linux-debug-simarm_x64-try,vm-kernel-precomp-nnbd-linux-debug-x64-try,vm-kernel-precomp-win-release-x64-try,vm-kernel-reload-linux-debug-x64-try,vm-kernel-reload-rollback-linux-debug-x64-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-precomp-ffi-qemu-linux-release-arm-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,vm-kernel-msan-linux-release-x64-try,vm-kernel-precomp-msan-linux-release-x64-try,vm-kernel-precomp-android-release-arm_x64-try,analyzer-analysis-server-linux-try,vm-kernel-precomp-linux-debug-x64c-try,vm-kernel-linux-debug-x64c-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/194420
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Aske Simon Christensen <askesc@google.com>
2021-04-15 10:16:27 +00:00
Daco Harkes 77dc74bcd5 [vm/ffi] Support packed Structs
Closes: https://github.com/dart-lang/sdk/issues/38158

This CL implements unaligned access for float/double on arm32, but does
not expose it in an API. Rather it only uses these loads/stores inside
the getters and setters of packed structs.
Bug: https://github.com/dart-lang/sdk/issues/45009

Besides unaligned access for float/double, this CL is mostly a CFE
change. The only VM change is reading the packing in the
`_FfiStructLayout` annotation.

The implementation of using the packing in the VM, and analyzer changes
have landed separately in earlier CLs.

tools/test.py ffi ffi_2
TEST=tests/ffi(_2)/(.*)by_value_(*.)_test.dart

Change-Id: Ic3106ecc626d2e30674a49bf03f65ae12d2b3502
Cq-Include-Trybots: luci.dart.try:dart-sdk-linux-try,dart-sdk-mac-try,dart-sdk-win-try,vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-mac-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-linux-debug-x64-try,vm-kernel-nnbd-linux-debug-x64-try,vm-kernel-nnbd-linux-debug-ia32-try,vm-kernel-nnbd-mac-release-x64-try,vm-kernel-nnbd-win-debug-x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-linux-debug-simarm_x64-try,vm-kernel-precomp-nnbd-linux-debug-x64-try,vm-kernel-precomp-win-release-x64-try,vm-kernel-reload-linux-debug-x64-try,vm-kernel-reload-rollback-linux-debug-x64-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-precomp-ffi-qemu-linux-release-arm-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,vm-kernel-msan-linux-release-x64-try,vm-kernel-precomp-msan-linux-release-x64-try,vm-kernel-precomp-android-release-arm_x64-try,analyzer-analysis-server-linux-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/186143
Reviewed-by: Aske Simon Christensen <askesc@google.com>
2021-03-19 15:34:42 +00:00
Daco Harkes ffa5d16ae7 [vm/ffi] Support multi-dimensional inline arrays
This CL only changes dart:ffi API, CFE, and analyzer. No VM changes
were needed because the dimensions of inline arrays can be flattened
before passing them to the VM. The multi-dimensionality does not
impact the ABI.

Closes: https://github.com/dart-lang/sdk/issues/45023

TEST=pkg/analyzer/test/src/diagnostics/size_annotation_dimensions_test.dart
TEST=pkg/front_end/testcases/nnbd/ffi_struct_inline_array_multi_dimensional.dart
TEST=tests/ffi/function_structs_by_value_generated_test.dart
TEST=tests/ffi/inline_array_multi_dimensional_test.dart

Change-Id: Ica2c01fccbea7e513879365b34086d8968b54c5b
Cq-Include-Trybots: luci.dart.try:dart-sdk-linux-try,dart-sdk-mac-try,dart-sdk-win-try,vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-mac-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-linux-debug-x64-try,vm-kernel-nnbd-linux-debug-x64-try,vm-kernel-nnbd-linux-debug-ia32-try,vm-kernel-nnbd-mac-release-x64-try,vm-kernel-nnbd-win-debug-x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-linux-debug-simarm_x64-try,vm-kernel-precomp-nnbd-linux-debug-x64-try,vm-kernel-precomp-win-release-x64-try,vm-kernel-reload-linux-debug-x64-try,vm-kernel-reload-rollback-linux-debug-x64-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-precomp-ffi-qemu-linux-release-arm-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,vm-kernel-msan-linux-release-x64-try,vm-kernel-precomp-msan-linux-release-x64-try,vm-kernel-precomp-android-release-arm_x64-try,analyzer-analysis-server-linux-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/188286
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Aske Simon Christensen <askesc@google.com>
2021-03-09 10:50:17 +00:00
Daco Harkes d45fd0f9d5 [vm/ffi] Support inline arrays in Structs
Adds support for single dimension inline arrays in structs. Multi-
dimensional arrays will be supported in a future CL.

This CL adds:
- CFE static error checks for inline arrays.
- CFE transformations for inline arrays.
- VM consumption of inline array fields for NativeType.
- Test generator support for inline arrays + generated tests.

Previous CLs added support for inline arrays in:
- analyzer https://dart-review.googlesource.com/c/sdk/+/183684
  - updated in this CL to new API.
- ABI calculation https://dart-review.googlesource.com/c/sdk/+/183682

Closes: https://github.com/dart-lang/sdk/issues/35763

Open issue: https://github.com/dart-lang/sdk/issues/45101

CFE transformations are tested with expectation files:
TEST=pkg/front_end/testcases/(.*)/ffi_struct_inline_array.dart

Trampolines and CArray API are tested with end-to-end Dart tests:
TEST=tests/ffi(_2)/(.*)by_value(.*)test.dart
TEST=tests/ffi(_2)/inline_array_test.dart

Compile-time errors (both CFE and analyzer) are tested in:
TEST=tests/ffi(_2)/vmspecific_static_checks_test.dart

Change-Id: I014c0e4153f1b885638adce80de6ab3cac8e6bb2
Cq-Include-Trybots: luci.dart.try:dart-sdk-linux-try,dart-sdk-mac-try,dart-sdk-win-try,vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-mac-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-linux-debug-x64-try,vm-kernel-nnbd-linux-debug-x64-try,vm-kernel-nnbd-linux-debug-ia32-try,vm-kernel-nnbd-mac-release-x64-try,vm-kernel-nnbd-win-debug-x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-linux-debug-simarm_x64-try,vm-kernel-precomp-nnbd-linux-debug-x64-try,vm-kernel-precomp-win-release-x64-try,vm-kernel-reload-linux-debug-x64-try,vm-kernel-reload-rollback-linux-debug-x64-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-precomp-ffi-qemu-linux-release-arm-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,vm-kernel-msan-linux-release-x64-try,vm-kernel-precomp-msan-linux-release-x64-try,vm-kernel-precomp-android-release-arm_x64-try,analyzer-analysis-server-linux-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/183640
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Clement Skau <cskau@google.com>
2021-02-24 13:02:45 +00:00
Daco Harkes 3a0a33f35f [vm/ffi] Add fields to Structs which should not be empty
This CL adds fields to `Struct`s which should not be empty or removes
the structs.

Issue: https://github.com/dart-lang/sdk/issues/44622
Issue: https://github.com/dart-lang/sdk/issues/43974

TEST=tests/ffi/vmspecific_static_checks_test.dart

Change-Id: I4a684bd96e3ed16a3fd0dd17019aeabf64ef074a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/179182
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2021-01-15 12:24:13 +00:00
Daco Harkes b6b82dd3ac [vm/ffi] Support nested structs
This CL adds support for nested structs in FFI calls, callbacks, and
memory loads and stores through the Struct classes itself.

Nesting empty structs and nesting a structs in themselves (directly or
indirectly) is reported as error.

This feature is almost fully implemented in the CFE transformation.

Because structs depend on the sizes of their nested structs, the structs
now need to be processed in topological order.

Field access to nested structs branches at runtime on making a derived
Pointer if the backing memory of the outer struct was a Pointer or
making a TypedDataView if the backing memory of the outer struct was
a TypedData.

Assigning to a nested struct is a byte for byte copy from the source.

The only changes in the VM are contained in the native calling
convention calculation which now recursively needs to reason about
fundamental types instead of just 1 struct deep.

Because of the amount of corner cases in the calling conventions that
need to be covered, the tests are generated, rather than hand-written.

ABIs tested on CQ: x64 (Linux, MacOS, Windows), ia32 (Linux, Windows),
arm (Android softFP, Linux hardFP), arm64 Android.
ABIs tested locally through Flutter: arm64 iOS.
ABIs not tested: ia32 Android (emulator), x64 iOS (simulator), arm iOS.
TEST=runtime/bin/ffi_test/ffi_test_functions_generated.cc
TEST=runtime/bin/ffi_test/ffi_test_functions.cc
TEST=tests/{ffi,ffi_2}/function_structs_by_value_generated_test.dart
TEST=tests/{ffi,ffi_2}/function_callbacks_structs_by_value_generated_tes
TEST=tests/{ffi,ffi_2}/function_callbacks_structs_by_value_test.dart
TEST=tests/{ffi,ffi_2}/vmspecific_static_checks_test.dart

Closes https://github.com/dart-lang/sdk/issues/37271.

Contains a temporary workaround for
https://github.com/dart-lang/sdk/issues/44454.

Change-Id: I5e5d10e09e5c3fc209f5f7e997efe17bd362214d
Cq-Include-Trybots: luci.dart.try:dart-sdk-linux-try,dart-sdk-mac-try,dart-sdk-win-try,vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-mac-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-linux-debug-x64-try,vm-kernel-nnbd-linux-debug-x64-try,vm-kernel-nnbd-linux-debug-ia32-try,vm-kernel-nnbd-mac-release-x64-try,vm-kernel-nnbd-win-debug-x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-linux-debug-simarm_x64-try,vm-kernel-precomp-nnbd-linux-debug-x64-try,vm-kernel-precomp-win-release-x64-try,vm-kernel-reload-linux-debug-x64-try,vm-kernel-reload-rollback-linux-debug-x64-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-precomp-ffi-qemu-linux-release-arm-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,vm-kernel-msan-linux-release-x64-try,vm-kernel-precomp-msan-linux-release-x64-try,vm-kernel-precomp-android-release-arm_x64-try,analyzer-analysis-server-linux-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/169221
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Dmitry Stefantsov <dmitryas@google.com>
2020-12-18 09:34:35 +00:00
Daco Harkes 9d1b447b23 [vm/ffi] Structs by value compiler frontend (part 1)
Split off https://dart-review.googlesource.com/c/sdk/+/140290 to make
that CL smaller.

This CL adds support for struct types in the ffi compiler frontend in
`runtime/vm/compiler/ffi/native_type.h`.

The code in this CL is unit tested:

1. From Dart source to `NativeCompoundType` are tested as VM test.
TEST=runtime/vm/compiler/ffi/native_type_vm_test.cc

2. The size and alignments for structs are tested with expect files.
TEST=runtime/vm/compiler/ffi/native_type_test.cc

The code in this CL has been end-to-end tested in the CL it is split off
from. And will be end-to-end tested when that CL also lands.

Issue: https://github.com/dart-lang/sdk/issues/36730

Change-Id: Ia7134e30daf028fea3ed97319ac7f5d0dbcc710f
Cq-Include-Trybots: luci.dart.try:vm-precomp-ffi-qemu-linux-release-arm-try,vm-ffi-android-debug-arm64-try,vm-ffi-android-debug-arm-try,vm-kernel-nnbd-win-debug-x64-try,vm-kernel-mac-debug-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/172648
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Clement Skau <cskau@google.com>
2020-11-18 14:40:50 +00:00
Martin Kustermann bf4280ff75 [vm/concurrency] Add Dart_CreateLightweightIsolate/Dart_RunLoopAsync APIs
Dart_CreateLightweightIsolate API:

  This API can be used by embedders to create a lightweight isolate
  (inside an existing isolate group).

  It is the analogous to Dart_CreateIsolateGroup - though taking a
  parent isolate as parameter (inside whose IG we create a new isolate)
  instead of taking kernel/snapshot data.

  Right now this API works on AOT and returns an error in JIT, both cases
  are covered by the test.

Dart_RunLoopAsync:

  The API can be used by embedders to transfer ownership of an isolate to
  the VM, which will take care of running the message handling loop and
  shuts the isolate down once the last receive port has been closed.

  It does allow listening to error/exit events generated by the message
  loop implementation as well as allows setting errors-are-fatal,
  effectively the same event-loop related parameters from the
  `Isolate.spawn()` API, just in Dart.

  It's the embedders responsibility to first launch initial dart code
  which will take care of responding to events (i.e. directly/indirectly
  open a receive port) - otherwise the isolate cannot be talked to and
  would immediately shut down.

Since our vm/cc tests do support running in AOT, we use a hybrid
approach to test the functionality: We let a normal Dart test call a
small C wrapper using FFI, to create a lightweight isolate, run it on a
new thread and join that thread.

TEST=vm/dart{,_2}/isolates/dart_api_create_lightweight_isolate_test

Issue https://github.com/dart-lang/sdk/issues/36097
Closes https://github.com/dart-lang/sdk/issues/44088

Change-Id: Id77ba928793fdb517f6cb7e8130df98a0366ddd6
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/170983
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Alexander Aprelev <aam@google.com>
2020-11-12 10:22:16 +00:00
Daco Harkes 6101e4653b [test/ffi] Add struct stack alignment test
A smoke test to exercise alignment of structs with various field types
to see how they are aligned on the stack. Only contains small structs
because most ABIs only pass structs less than 16 bytes on the stack.

Especially tests iOS64, where `AlignOf(struct{float32;float32;}) == 4`
but `AlignOf(struct{int32;int32;}) == 8` due to the special treatment
of homogenous floats in the arm64 ABI combined with iOS decision to not
align everything on the stack to at least word size.

Test tested on iOS64 through Flutter.

structs_by_value_tests_configuration.dart is the only non-generated
file.

The tests are tested in the dependent CL. Tests are ignored in status
file and are un-ignored in dependent CL.

Tests for https://github.com/dart-lang/sdk/issues/36730.

Change-Id: I6ec4523208db740b8ea3f8a4ab1e5717f1088467
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/170691
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Auto-Submit: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-11-06 13:54:23 +00:00
Daco Harkes 5278383736 [vm] Native API: Make Dart_NewWeakPersistentHandle not auto delete
Changes Dart_NewWeakPersistentHandle to no longer auto delete the
weak persistent handle.

Changes the signatures of WeakPersistentHandleFinalizers to no longer
have access to the handle.

Flutter PR: https://github.com/flutter/engine/pull/19843
g3 presubmit: cl/318028238

Issue: https://github.com/dart-lang/sdk/issues/42312

TEST=runtime/vm/dart_api_impl_test.cc

Change-Id: I3f77db9954d9486759f903b78c03a494f73c68ba
Cq-Include-Trybots:dart/try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,app-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-android-release-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-msan-linux-release-x64-try,vm-kernel-precomp-msan-linux-release-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,dart-sdk-linux-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,front-end-linux-release-x64-try,vm-kernel-precomp-win-release-x64-try,vm-kernel-mac-debug-x64-try,vm-precomp-ffi-qemu-linux-release-arm-try,vm-kernel-nnbd-linux-debug-x64-try,analyzer-nnbd-linux-release-try,front-end-nnbd-linux-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151525
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-11-03 10:27:44 +00:00
Daco Harkes 957487b5da [test/ffi] Structs by value 1-byte aligned
The 3 and 7 byte tests in
https://dart-review.googlesource.com/c/sdk/+/168829
had their sizes rounded up to the next power of two due to alignment of
fields inside the structs.

In order to properly exercise behavior on win32, win64 and iOS, this CL
changes those structs to only have uint8 fields to prevent alignment
influencing the sizes.

Old tests are renamed to exercise the size rounding due to alignment.

This also swaps around the two 9byte structs to have consistent naming
with the new 3 and 7-byte tests.

structs_by_value_tests_confguration.dart is the only non-generated file.

The tests are tested in the dependent CL. Tests are ignored in status
file and are un-ignored in dependent CL.

Tests for https://github.com/dart-lang/sdk/issues/36730.

Change-Id: If47cfcaebe56f43d50265f0d6e2749c56fe7b195
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/169101
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Tess Strickland <sstrickl@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-10-26 17:26:56 +00:00
Daco Harkes b62e715073 [test/ffi] Passing structs by value test generator
Split off from https://dart-review.googlesource.com/c/sdk/+/140290/33
to make that CL smaller and review the test generator separately.

Because of the amount of corner cases in the calling conventions that
need to be covered, the tests are generated, rather than hand-written.

The tests are tested in the dependent CL. Tests are ignored in status
file and are un-ignored in dependent CL.

Change-Id: I5507f52229793fdf07da3066b49045fdb703a69d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/168829
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-10-26 12:01:16 +00:00
Daco Harkes d650ea90c4 [vm/ffi] Fix alignment of Uint64 fields in structs on some ABIs
Affected ABIs: ia32 Linux, ia32 Android, ia32 MacOS, and arm32 iOS.

Fixes https://github.com/dart-lang/sdk/issues/43693

Change-Id: I35f719abb69bb46d99f647d66847e3d5874d9371
Cq-Include-Trybots: luci.dart.try:vm-kernel-linux-debug-ia32-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/166843
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Auto-Submit: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-10-09 16:32:08 +00:00
Daco Harkes 5781b4ccb3 [vm/ffi] Regression test for dartbug.com/43016
Regression test for https://github.com/dart-lang/sdk/issues/43016

Change-Id: I5787bd7abd8a7b5159a4535da59fe3918489ac8c
Cq-Include-Trybots:dart/try:vm-kernel-linux-debug-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/158545
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Auto-Submit: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Aske Simon Christensen <askesc@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2020-08-14 11:18:57 +00:00
Daco Harkes 9871331450 [vm/ffi] Clarify DynamicLibrary.open behavior
Both dlopen and LoadLibrary have caching behavior and only load the
dynamic library once into the DartVM, even with multiple isolates.

Change-Id: If16791baf28706c61acb1ecdae668485b264a373
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/156682
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Aske Simon Christensen <askesc@google.com>
2020-07-31 15:15:20 +00:00
Daco Harkes da39a4abff [vm/ffi] Remove try-catch from ffi trampoline if no handle scope
https://dart-review.googlesource.com/c/sdk/+/145591 introduced a try
catch into FFI calls to call ExitHandleScope on the exception path.
However, we only need this try-catch if we actually need to exit the
handle scope on the exception path, which is not the case if we have
no handles in the signature. So this CL makes the try catch optional.

This speeds up ffi calls without handles (tested on JIT x64):
FfiCall.Uint8x01(RunTime): 206.4801280066068 us.
->
FfiCall.Uint8x01(RunTime): 203.7240782236708 us.

Also adds a test that checks that an exception can still be propagated
with Dart_PropagateError from native code when the FFI trampoline has
no try catch.

Change-Id: I9fac7078381c60fb8055b64fff29ea364fbc948f
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,app-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-kernel-precomp-linux-debug-x64-try,vm-dartkb-linux-release-x64-abi-try,vm-kernel-precomp-android-release-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-msan-linux-release-x64-try,vm-kernel-precomp-msan-linux-release-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,dart-sdk-linux-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,front-end-linux-release-x64-try,vm-kernel-precomp-win-release-x64-try,vm-kernel-mac-debug-x64-try,vm-precomp-ffi-qemu-linux-release-arm-try,vm-kernel-nnbd-linux-debug-x64-try,analyzer-nnbd-linux-release-try,front-end-nnbd-linux-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151239
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2020-06-26 12:03:02 +00:00
Daco Harkes 7eac9f355e [vm/ffi] Expose a subset of dart_(native_)api.h for dynamic linking.
This CL introduces dart_api_dl.h which exposes a subset of dart_api.h
and dart_native_api.h for dynamic linking at runtime through the FFI.
Dynamic linking is done through including dart_api_dl.cc in a shared
library and passing NativeApi.initializeApiDLData to the init function.

This CL also includes Native API versioning to deal with possible
version skew between native api version against which native libraries
are compiled and the version in the DartVM the code is run on.

The subset of symbols in the CL includes handle related symbols, error
related symbols, handle scope symbols, and native port sumbols.

Design: http://go/dart-ffi-expose-dart-api

Closes: https://github.com/dart-lang/sdk/issues/40607
Closes: https://github.com/dart-lang/sdk/issues/36858
Closes: https://github.com/dart-lang/sdk/issues/41319
Closes: https://github.com/flutter/flutter/issues/46887
Closes: https://github.com/flutter/flutter/issues/47061

Misc:
Closes: https://github.com/dart-lang/sdk/issues/42260

Change-Id: I9e557808dbc99b341f23964cbddbb05f26d7a6c5
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,app-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-kernel-precomp-linux-debug-x64-try,vm-dartkb-linux-release-x64-abi-try,vm-kernel-precomp-android-release-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-msan-linux-release-x64-try,vm-kernel-precomp-msan-linux-release-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,dart-sdk-linux-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,front-end-linux-release-x64-try,vm-kernel-precomp-win-release-x64-try,vm-kernel-mac-debug-x64-try,vm-precomp-ffi-qemu-linux-release-arm-try,vm-kernel-nnbd-linux-debug-x64-try,analyzer-nnbd-linux-release-try,front-end-nnbd-linux-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/145592
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2020-06-18 07:30:43 +00:00
Daco Harkes 6544c69e23 [vm/ffi] Convert Objects to Dart_Handles in FFI calls
This includes support for calling Dart_PropagateError in native code
when doing FFI calls, and catching uncaught exceptions with Dart_IsError
when doing FFI callbacks.

The support for Dart_PropagateError adds a catch entry to the FFI
trampoline, which prevents inlining these trampolines in AOT. This
regresses the FfiCall benchmarks by 1-2% in AOT.

In addition, Dart_PropagateError requires maintaining a bit whether we
entered native/VM code from generated code through FFI or not. That way
we can do the proper transition on the exception path. When entering
generated code, we store this bit on the stack, right after the entry
frame.

Design: http://go/dart-ffi-handles

Issue: https://github.com/dart-lang/sdk/issues/36858
Issue: https://github.com/dart-lang/sdk/issues/41319

Change-Id: Idfd7ff69132fb29cc730931a4113d914d4437396
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,app-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-kernel-precomp-linux-debug-x64-try,vm-dartkb-linux-release-x64-abi-try,vm-kernel-precomp-android-release-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,dart-sdk-linux-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,front-end-linux-release-x64-try,vm-kernel-precomp-win-release-x64-try,vm-kernel-mac-debug-x64-try,vm-precomp-ffi-qemu-linux-release-arm-try,vm-kernel-nnbd-linux-debug-x64-try,analyzer-nnbd-linux-release-try,front-end-nnbd-linux-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/145591
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2020-06-12 11:14:22 +00:00
Martin Kustermann 874588a859 [vm/concurrency] Allow thread pool with maximum size to grow in size if workers are blocked in native code
To avoid deadlock scenarios where an application runs N isolates on a
thread pool with T threads (T < N) where all scheduled T isolates will
do FFI call and block. That prevents any other isolates from executing.

To avoid such a scenario we add support for the isolate-group specific
thread pool to dynamically increase the maximum size if a worker is
running a isolate mutator thread, which calls to C which exits the
isolate.
=> While such an isolate is descheduled but still occupies a thread
   pool worker we temporarily incrase the maximum size of the thread pool.

Issue https://github.com/dart-lang/sdk/issues/36097

Change-Id: Id61c39b06766da11f76d607ac7cbe8a8e623f250
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/148120
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
2020-05-15 10:57:09 +00:00
Daco Harkes f7192b63cb [vm/ffi] Expose dart_native_api.h symbols via dart:ffi
This enables dynamic linking of the symbols in dart_native_api.h to work around the Windows linking issue and Dart embedders not exposing symbols.

Issue: https://github.com/dart-lang/sdk/issues/40607
Closes: https://github.com/dart-lang/sdk/issues/40564

Change-Id: I6f797cc915b53ec63fa5953529f17c40e52a2aed
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,app-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-kernel-precomp-linux-debug-x64-try,vm-dartkb-linux-release-x64-abi-try,vm-kernel-precomp-android-release-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,dart-sdk-linux-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,front-end-linux-release-x64-try,vm-kernel-precomp-win-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/136962
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-02-28 18:44:45 +00:00
Daco Harkes cb60e4b78e [samples/ffi] Sample for asynchronous native port calls
Issue: https://github.com/dart-lang/sdk/issues/37022#issuecomment-567122704

Change-Id: I774befa1d9843c043883038e59c0f8b629bf3c77
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,app-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-kernel-precomp-linux-debug-x64-try,vm-dartkb-linux-release-x64-abi-try,vm-kernel-precomp-android-release-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,dart-sdk-linux-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,front-end-linux-release-x64-try,vm-kernel-precomp-win-release-x64-try,vm-kernel-mac-debug-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/134822
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-02-18 08:42:16 +00:00
Daco Harkes 76ef075b71 [samples/ffi] Sample for asynchronous callbacks
Issue: https://github.com/dart-lang/sdk/issues/37022#issuecomment-567122704

Change-Id: If30d168e6666131b6d96d5885a0dbe32291b1ef9
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,app-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-kernel-precomp-linux-debug-x64-try,vm-dartkb-linux-release-x64-abi-try,vm-kernel-precomp-android-release-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,dart-sdk-linux-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,front-end-linux-release-x64-try,vm-kernel-precomp-win-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/134704
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-02-18 08:42:16 +00:00
Daco Harkes 160614929a [vm/ffi] Fix sign extension for small int arguments on x64 Linux/MacOS
Sign extension of small integers is not symmetric between register arguments and register return values.
On Linux/MacOS x64, the caller is responsible for both the arguments and return value.

Previous tests only tested equality, which tests the equality of the lowest byte. However, when printing or using the small ints arithmetic all 4 bytes are used. The new tests pass back the number in a different format.
The callback tests test the number in Dart, so they did not suffer from implicit conversions. (TestTakeMaxUint8x10 in runtime/bin/ffi_test/ffi_test_functions.cc and tests/ffi_2/function_callbacks_test.dart.)

Fixes: https://github.com/dart-lang/sdk/issues/40537

Change-Id: I6a57cb7cb43206926eb101a66e3b2abfacec72a0
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,app-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-kernel-precomp-linux-debug-x64-try,vm-dartkb-linux-release-x64-abi-try,vm-kernel-precomp-android-release-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,dart-sdk-linux-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,front-end-linux-release-x64-try,vm-kernel-precomp-win-release-x64-try,vm-kernel-mac-debug-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/134825
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-02-10 17:05:14 +00:00
Daco Harkes 4fa2b017f0 [vm/ffi] Add tests with very many arguments
To address the comment about tests from https://dart-review.googlesource.com/c/sdk/+/124136/3/runtime/bin/ffi_test/ffi_test_functions.cc

Issue: https://github.com/dart-lang/sdk/issues/36309

Change-Id: Ib6b56db22d44603d31006f3f099ab25a8a9c6d55
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,app-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-kernel-precomp-linux-debug-x64-try,vm-dartkb-linux-release-x64-abi-try,vm-kernel-precomp-android-release-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,dart-sdk-linux-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,front-end-linux-release-x64-try,vm-kernel-precomp-win-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/132843
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-01-22 15:21:32 +00:00
Daco Harkes ef0c7f16e6 [vm/ffi] Do not use int in tests
sizeof(int) on iOS arm64 in Flutter test projects returns 4.

Issue: https://github.com/dart-lang/sdk/issues/36140
Issue: https://github.com/dart-lang/sdk/issues/39637

Change-Id: I7b471fa1da653e9bee169c34d1bd36a96fa6a704
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,app-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-kernel-precomp-linux-debug-x64-try,vm-dartkb-linux-release-x64-abi-try,vm-kernel-precomp-android-release-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,dart-sdk-linux-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,front-end-linux-release-x64-try,vm-kernel-precomp-win-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/132607
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Daco Harkes <dacoharkes@google.com>
2020-01-21 10:38:51 +00:00
Daco Harkes e8c1391b26 [vm/ffi] Test truncation and extension on calls and callbacks
This CL adds tests for the truncation and sign extension of the following cases:

* Arguments in registers in callbacks (we already had these for calls).
* Arguments on stack in calls and callbacks.
* Return values in registers in calls and callbacks.

Related CL (replacing FFI pipeline): https://dart-review.googlesource.com/c/sdk/+/129081

Change-Id: I776d103cf72007b686b1fe804d6a3bc6cb0e7122
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,app-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-kernel-precomp-linux-debug-x64-try,vm-dartkb-linux-release-x64-abi-try,vm-kernel-precomp-android-release-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,dart-sdk-linux-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,front-end-linux-release-x64-try,vm-kernel-precomp-win-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/132284
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-01-20 15:45:48 +00:00
Daco Harkes a228bf5e1a [vm/ffi] Test alignment of small stack arguments
Test exercises alignment on stack, will currently fail on iOS arm64.

In addition, the Dart functions used as callbacks in tests now print their arguments for debugging purposes.

Issue: https://github.com/dart-lang/sdk/issues/39637

Splitting test off large CL (https://dart-review.googlesource.com/c/sdk/+/129081) to be able to land separately.

Change-Id: Iba3c63338f5d91d6e3819e54c166bbfade48d53f
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,app-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-kernel-precomp-linux-debug-x64-try,vm-dartkb-linux-release-x64-abi-try,vm-kernel-precomp-android-release-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,dart-sdk-linux-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,front-end-linux-release-x64-try,vm-kernel-precomp-win-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/131074
Reviewed-by: Teagan Strickland <sstrickl@google.com>
Commit-Queue: Daco Harkes <dacoharkes@google.com>
2020-01-14 10:50:25 +00:00
Daco Harkes 4bd3166529 [samples/ffi] Native resource lifetime management
Samples for managing native memory without finalizers.

Design: go/dart-ffi-resource-lifetime

Related issue: https://github.com/dart-lang/sdk/issues/35770

Change-Id: I2d0ac1acb65a78db9f57aea3dd5f25b4948ef6d6
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,app-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-kernel-precomp-linux-debug-x64-try,vm-dartkb-linux-release-x64-abi-try,vm-kernel-precomp-android-release-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,vm-kernel-precomp-mac-release-simarm_x64-try,dart-sdk-linux-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,front-end-linux-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/123662
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Erik Ernst <eernst@google.com>
2019-12-12 10:27:22 +00:00
Alexander Markov 12f6eb699f [vm/ffi_test] Fix ClobberAndCall helper on Windows
ClobberAndCall was using an incorrect register for the first parameter
on Windows (rdx instead of rcx). This caused crashes on
vm-kernel-precomp-win-release-x64 bot after landing unrelated change
(https://dart-review.googlesource.com/c/sdk/+/127381).

Change-Id: I5a150ecc743abdb3e00c8afd0d1dd851b777f2e9
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/128009
Reviewed-by: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
2019-12-11 17:23:57 +00:00
Martin Kustermann c52acadd15 [vm/ffi] Split up some tests/ffi into vmspecific and non-vmspecific
The separation will allow flutter/flutter integration tests to run the
non-vmspecific parts.

Change-Id: I0e771f1247ec62d2f0c3faa95ee10560e62524f1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127144
Reviewed-by: Daco Harkes <dacoharkes@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>
2019-12-04 15:56:08 +00:00
Martin Kustermann b0155a72a7 [vm/ffi] Add script to extract existing positive ffi tests into bundle to be used for flutter/flutter integration test
The `tests/ffi/prepare_flutter_bundle.dart` script will try to discover
all synchronous, positive test from the "ffi" test suite, rewrite them
slightly and output a directory which can be used in a flutter/flutter
FFI integration test.

We split the ffi test functions into two parts, because a subset of the
C functions will issue calls to the VM via `dart_api.h`, which is not
available for the flutter/flutter integration test.

=> We make `runtime/bin/ffi_test/ffi_test_functions.cc` a pure C
   library, usable without `dart_api.h` and move the remaining VM
   specific code to .../ffi_test_functions_special.cc contains.

All tests from `tests/ffi/*_test.dart` will be included in the generated
bundle, which

   * don't use async/isolates
   * don't rely on VM api
   * don't rely on DynamicLibrary.{process,executable}
   * don't take too long to execute

The script can be used as follows:

   sdk % dart tests/ffi/prepare_flutter_bundle.dart foo
   Using SDK root: .../sdk
   The following tests will be included:
      aliasing_test.dart
      data_not_asan_test.dart
      data_test.dart
      extension_methods_test.dart
      external_typed_data_test.dart
      function_structs_test.dart
      negative_function_test.dart
      regress_37254_test.dart
      regress_39044_test.dart
      regress_39063_test.dart
      regress_39068_test.dart
      stacktrace_regress_37910_test.dart
      structs_test.dart
      variance_function_test.dart
   The following tests were filtered due to using dart_api.h/async/DynamicLibrary.{process,executable}/...
      function_callbacks_test.dart
      function_gc_test.dart
      function_test.dart
      object_gc_test.dart
      regress_37100_test.dart
      regress_37511_callbacks_test.dart
      regress_37511_test.dart
      regress_37780_test.dart

   Please copy generated files into FFI flutter test application
      * foo/lib/src/generated
      * foo/ios/Classes

Change-Id: Ia13f97df3bbc90829bb8fde8265a7e1d2c0f8260
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127006
Reviewed-by: Daco Harkes <dacoharkes@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>
2019-12-04 13:02:48 +00:00
Samir Jindel c885bdde1d [vm] DBC is obsolete. Remove dead code.
Change-Id: Ica33af158cca53c8e951e4b2582de83660e8a60d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/121851
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2019-10-27 18:18:29 +00:00
Daco Harkes 5fd6c8a3c1 [vm] Do not fuse constants with different representations
Issue: https://github.com/dart-lang/sdk/issues/39044
Change-Id: I19b1309adb769742b498ed0b6fe80ae38a779405
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,app-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-dartkb-linux-debug-simarm64-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-dartkb-linux-debug-x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-dartkb-linux-release-x64-abi-try,vm-kernel-precomp-android-release-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,vm-kernel-reload-rollback-linux-debug-x64-try,vm-kernel-precomp-mac-release-simarm_x64-try,dart-sdk-linux-try,flutter-engine-linux-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,front-end-linux-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/122396
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2019-10-23 12:59:28 +00:00
Daco Harkes d2b39d1a07 [cfe/ffi] asFunction/fromFunction variance in CFE + regression test
Issue: https://github.com/dart-lang/sdk/issues/37385

Change-Id: I0a0704f3513bf8de802e7481d813f72678837e0b
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,dart-sdk-linux-try,analyzer-win-release-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/107511
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2019-10-17 17:44:06 +00:00
Ryan Macnak ecd7977928 [vm] Fix gcc build.
Change-Id: I8a0a9a695403dc6d048dccb9f33642d70cc5d588
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/121866
Reviewed-by: Liam Appelbe <liama@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
2019-10-17 16:51:32 +00:00
Samir Jindel 205b90f0de Take 3 for '[vm/ffi] Implement FFI callbacks on AOT for ELF and Asm snapshots (excl. blobs).'
Fixes the changes to assembly snapshot writer in SIMARM_X64 mode. This unfortunately can't be tested until the ELF loader is available.

Take 2 is in patchset 1.

Change-Id: Ib8b067dd4f09dcba3b142705e9cb4dfbf4e3eb53
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/117726
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2019-09-18 14:56:27 +00:00
Alexander Aprelev 0c481a196c Revert Reland '[vm/ffi] Implement FFI callbacks on AOT for ELF and Asm snapshots (excl. blobs).' as it breaks flutter profile execution on ios 32-bit platform.
Fixes https://github.com/flutter/flutter/issues/40114

Change-Id: If8d71e9c19c2e794d29f7ecbacb87457890a2fd5
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/116883
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Alexander Aprelev <aam@google.com>
2019-09-12 00:10:09 +00:00
Martin Kustermann a64b06ec83 [gardening] Migrate most files to be implicit-bool-conversion free
Issue https://dart-review.googlesource.com/c/sdk/+/115701

Change-Id: Ib579f0bbc8d694aec74afd837217316a10baf910
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/115707
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Daco Harkes <dacoharkes@google.com>
2019-09-05 21:41:42 +00:00
Samir Jindel c219a76652 Reland "[vm/ffi] Implement FFI callbacks on AOT for ELF and Asm snapshots (excl. blobs)."
The original change is in Patchset 1.
The dependency contains the fix for the non-bare-instructions bot.

Change-Id: Iab02ab0736a2ee9144b667d2777ca526341b2a36
Cq-Include-Trybots: luci.dart.try:vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-linux-product-x64-try,vm-kernel-precomp-linux-release-x64-try,vm-kernel-precomp-linux-release-x64-try,vm-kernel-precomp-android-release-arm-try,vm-dartkb-linux-release-x64-abi-try,vm-kernel-precomp-bare-linux-release-x64-try,vm-kernel-precomp-mac-debug-simarm_x64-try,vm-kernel-precomp-win-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/115241
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2019-09-05 20:19:22 +00:00
Samir Jindel 72e8bdc56b Revert "[vm/ffi] Implement FFI callbacks on AOT for ELF and Asm snapshots (excl. blobs)."
This reverts commit ecbea5a58e.

Reason for revert: broken with bare instructions and ABI bot

Original change's description:
> [vm/ffi] Implement FFI callbacks on AOT for ELF and Asm snapshots (excl. blobs).
> 
> To do this, we add writable data sections (currently uninitialzed) to ELF and Asm snapshots
> and allow Instructions to have patchable relocations against (the start of) these sections.
> 
> Issue https://github.com/dart-lang/sdk/issues/37295 (see also for design & discussion).
> 
> Change-Id: If20bfa55776f4044aaa6bb8ea2101d2ada41842c
> Cq-Include-Trybots: luci.dart.try:vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-linux-product-x64-try,vm-kernel-precomp-linux-release-x64-try,vm-kernel-precomp-linux-release-x64-try,vm-kernel-precomp-android-release-arm-try
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/110221
> Commit-Queue: Samir Jindel <sjindel@google.com>
> Reviewed-by: Martin Kustermann <kustermann@google.com>

TBR=kustermann@google.com,rmacnak@google.com,alexmarkov@google.com,sjindel@google.com

Change-Id: I9787da6d42575ca4f5ae0a698052a19ac4275afd
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Cq-Include-Trybots: luci.dart.try:vm-kernel-precomp-linux-debug-x64-try, vm-kernel-precomp-linux-product-x64-try, vm-kernel-precomp-linux-release-x64-try, vm-kernel-precomp-android-release-arm-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/115240
Reviewed-by: Samir Jindel <sjindel@google.com>
Commit-Queue: Samir Jindel <sjindel@google.com>
2019-09-03 12:31:15 +00:00
Samir Jindel ecbea5a58e [vm/ffi] Implement FFI callbacks on AOT for ELF and Asm snapshots (excl. blobs).
To do this, we add writable data sections (currently uninitialzed) to ELF and Asm snapshots
and allow Instructions to have patchable relocations against (the start of) these sections.

Issue https://github.com/dart-lang/sdk/issues/37295 (see also for design & discussion).

Change-Id: If20bfa55776f4044aaa6bb8ea2101d2ada41842c
Cq-Include-Trybots: luci.dart.try:vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-linux-product-x64-try,vm-kernel-precomp-linux-release-x64-try,vm-kernel-precomp-linux-release-x64-try,vm-kernel-precomp-android-release-arm-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/110221
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2019-09-03 12:02:02 +00:00
Felicitas Hetzelt 6c38345818 [vm/fuzzer] Add FFI calls to C library
Rationale:
Uses a simple C library to test FFI interface.
Bug: https://github.com/dart-lang/sdk/issues/38008
https://github.com/dart-lang/sdk/issues/37606
Change-Id: I0bb57db5a9977e2300dcace8fef85a2a92d50e41
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/114556
Commit-Queue: Felicitas Hetzelt <felih@google.com>
Reviewed-by: Ben Konyi <bkonyi@google.com>
Reviewed-by: Aart Bik <ajcbik@google.com>
2019-08-29 22:45:33 +00:00
Samir Jindel bc16959fc7 Reland "[vm/ffi] Dispatch native callbacks through trampolines if we can't ensure callbacks will always be executable."
The original revision is in patchset 1.

Three bugs are fixed:

1. Fix SIMARM_X64 build: no need to generate trampolines for AOT or simulated JIT.
2. Hot-reload: Fix hot-reload: don't invalidate Code for force-optimized functions.
3. Windows: Provide shadow space to runtime routines.

Cq-Include-Trybots: luci.dart.try:vm-kernel-precomp-mac-debug-simarm_x64-try,vm-kernel-precomp-mac-release-simarm_x64-try,vm-kernel-reload-linux-debug-x64-try,vm-kernel-reload-rollback-linux-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-kernel-win-debug-x64-try,vm-kernel-win-release-ia32-try,vm-kernel-win-release-x64-try
Change-Id: I326009cfacb51a84e9de4ddf9ff2d6d415460f91
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/113829
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2019-08-21 13:33:37 +00:00
Daco Harkes 670d40d808 [vm/ffi] regression test for 37511
I tested this test manually by reverting 48d92b3176 to confirm that it makes the test segfault.

Closes: https://github.com/dart-lang/sdk/issues/37511

Change-Id: I62cb2b83775780a2fccfd9ee4ebff793de82090a
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try, app-kernel-linux-debug-x64-try, vm-kernel-linux-debug-simdbc64-try,vm-kernel-linux-debug-ia32-try,vm-dartkb-linux-debug-simarm64-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-dartkb-linux-debug-x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-dartkb-linux-release-x64-abi-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/109703
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Samir Jindel <sjindel@google.com>
2019-08-21 08:10:34 +00:00
Samir Jindel 663a8630e6 Revert "[vm/ffi] Dispatch native callbacks through trampolines if we can't ensure callbacks will always be executable."
This reverts commit bab592fd28.

Reason for revert: Breaks SIMARM_X64 build and crashes in hot-reload.

Original change's description:
> [vm/ffi] Dispatch native callbacks through trampolines if we can't ensure callbacks will always be executable.
> 
> Issue https://github.com/dart-lang/sdk/issues/37629
> 
> Change-Id: Ib61c32bde5a8b38d90b4da77e27e3874b8bfb7e2
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/111432
> Commit-Queue: Samir Jindel <sjindel@google.com>
> Reviewed-by: Martin Kustermann <kustermann@google.com>

TBR=kustermann@google.com,alexmarkov@google.com,sjindel@google.com

Change-Id: Id7dc3068a97debc7a8f757df31ef33fb68bdcb44
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/113827
Reviewed-by: Samir Jindel <sjindel@google.com>
Commit-Queue: Samir Jindel <sjindel@google.com>
2019-08-20 16:27:32 +00:00
Samir Jindel e8c82c6784 [vm/ffi] Suppress irrelevant lint failures in FFI sources.
Change-Id: I63893f54a43e7ea5deb8e5e62a0f91e7d0c44d70
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/113826
Commit-Queue: Samir Jindel <sjindel@google.com>
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Auto-Submit: Samir Jindel <sjindel@google.com>
Reviewed-by: Daco Harkes <dacoharkes@google.com>
2019-08-20 15:55:19 +00:00
Samir Jindel bab592fd28 [vm/ffi] Dispatch native callbacks through trampolines if we can't ensure callbacks will always be executable.
Issue https://github.com/dart-lang/sdk/issues/37629

Change-Id: Ib61c32bde5a8b38d90b4da77e27e3874b8bfb7e2
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/111432
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2019-08-20 15:54:50 +00:00
Daco Harkes 51f4574e50 Reland "[vm/ffi] Support structs on 32bit architectures"
Fixes alignment checks on GCC <= 7 and Clang <= 7.

Fixes: https://github.com/dart-lang/sdk/issues/37559
Fixes: https://github.com/dart-lang/sdk/issues/36334

Original CL is in patchset 1.

Tested GCC 7 and Clang 7 behavior of alignof and offsetof manually (our CQ uses newer tooling).

Change-Id: I828b00ad3d36be68a0d28b0a710fea938ca17784
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try, app-kernel-linux-debug-x64-try, vm-kernel-linux-debug-simdbc64-try,vm-kernel-linux-debug-ia32-try,vm-dartkb-linux-debug-simarm64-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-dartkb-linux-debug-x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-ffi-android-product-arm-try,vm-dartkb-linux-release-x64-abi-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/112254
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Daco Harkes <dacoharkes@google.com>
2019-08-09 14:14:32 +00:00
Samir Jindel a05f5910fa [vm/ffi] Delete helper thread in ffi/function_gc_test
Fixes memory leak on ASAN bot.

Change-Id: Idbfd1e66b703e1203fec027a040147179dd0752d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/112343
Auto-Submit: Samir Jindel <sjindel@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Samir Jindel <sjindel@google.com>
2019-08-08 18:16:39 +00:00
Samir Jindel b12e2ce0b4 [vm] Make FFI code protection test wait for helper to terminate before continuing.
Addresses https://github.com/dart-lang/sdk/issues/37779

Change-Id: I3ee7ec890be9c859737e8676a00047e46643e050
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/112258
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2019-08-08 10:07:42 +00:00