Commit Graph

80 Commits

Author SHA1 Message Date
Daco Harkes e5732b1886 [vm/ffi] Remove VM sizeOf runtime entry
After changing `elementAt` and `sizeOf` to only accept static types
(https://dart-review.googlesource.com/c/sdk/+/178200) and rewrite all
the calls with static types in the CFE
(https://dart-review.googlesource.com/c/sdk/+/182262), the runtime entry
can now be removed.

One less place where the runtime relies on `Struct` subtypes not being
tree shaken.
Issue: https://github.com/dart-lang/sdk/issues/38721

Because we're no longer using `NativeType`s in a RTE to calculate their
size, these do no longer need to be available in the precompiled
runtime.
Closes: https://github.com/dart-lang/sdk/issues/42809

TEST=tests/ffi(_2)/*

Change-Id: I8682a3bb4d2dc3ee71531cf71909e47489e96f12
Cq-Include-Trybots: luci.dart.try:vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-nnbd-linux-debug-x64-try,vm-precomp-ffi-qemu-linux-release-arm-try,vm-ffi-android-debug-arm64-try,vm-ffi-android-debug-arm-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/185085
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Clement Skau <cskau@google.com>
2021-02-17 11:39:42 +00:00
Daco Harkes d052156ea4 [vm/ffi] Remove .ref VM runtime entry
After https://dart-review.googlesource.com/c/sdk/+/180190 the runtime
entry has become dead code.

This CL keeps the runtime entry itself but makes it unreachable as was
the suggestion on previous a CL removing runtime entries:
https://dart-review.googlesource.com/c/sdk/+/169406

Bug: https://github.com/dart-lang/sdk/issues/38648
Bug: https://github.com/dart-lang/sdk/issues/38721

TEST=tests/ffi/vmspecific_static_checks_test.dart
TEST=tests/ffi/*struct*test_.dart

Change-Id: I84c5c925215b9dbd999826fb390df91d8050e1dd
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/182627
Reviewed-by: Aske Simon Christensen <askesc@google.com>
Commit-Queue: Daco Harkes <dacoharkes@google.com>
2021-02-04 21:31:29 +00:00
Daco Harkes fb624c4209 Reland "[vm/ffi] Change Pointer<T extends Struct>.ref to use static type"
This CL changes the semantics of `Pointer<T extends Struct>.ref` to use
the compile-time `T` rather than the runtime `T`.

This enables tree shaking of subtypes of Struct and optimizing `.ref`.

Bug: https://github.com/dart-lang/sdk/issues/38721

TEST=tests/ffi/vmspecific_static_checks_test.dart
TEST=tests/ffi/*struct*test_.dart

Change-Id: Ie19bc3259d1cb721d0ce56d68e82d09dc3a4ad0e
Cq-Include-Trybots: luci.dart.try:analyzer-linux-release-try,analyzer-nnbd-linux-release-try,app-kernel-linux-debug-x64-try,dart-sdk-linux-try,front-end-nnbd-linux-release-x64-try,pkg-linux-debug-try,vm-kernel-linux-debug-x64-try,vm-kernel-nnbd-linux-debug-x64-try,vm-kernel-precomp-nnbd-linux-debug-x64-try,vm-kernel-reload-rollback-linux-debug-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/180190
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Aske Simon Christensen <askesc@google.com>
2021-02-03 10:55:49 +00:00
Daco Harkes 49ec189fb3 Revert "[vm/ffi] Change Pointer<T extends Struct>.ref to use s..."
Revert submission 177862

Reason for revert: breaks g3 without https://github.com/flutter/engine/pull/23808
Reverted Changes:
I50b3b4c31:[vm/ffi] Roll `package:ffi` to `Allocator` and `Op...
I3f5b08c08:[vm/ffi] Change `Pointer<T extends Struct>.ref` to...
I6141c193b:[vm/ffi] Disallow empty structs

Change-Id: I1bfe4d70a5f7f35039b8a01d599d33542872574c
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/180183
Reviewed-by: Daco Harkes <dacoharkes@google.com>
2021-01-20 21:37:11 +00:00
Daco Harkes 2e8f9b85a6 [vm/ffi] Change Pointer<T extends Struct>.ref to use static type
This CL changes the semantics of `Pointer<T extends Struct>.ref` to use
the compile-time `T` rather than the runtime `T`.

This enables tree shaking of subtypes of Struct and optimizing `.ref`.

Issue: https://github.com/dart-lang/sdk/issues/38721

TEST=tests/ffi/vmspecific_static_checks_test.dart
TEST=tests/ffi/*struct*test_.dart

Change-Id: I3f5b08c08ec0799ef8aab3c4177e2ac70d25501c
Cq-Include-Trybots: luci.dart.try:vm-precomp-ffi-qemu-linux-release-arm-try,analyzer-analysis-server-linux-try,analyzer-linux-release-try,analyzer-nnbd-linux-release-try,front-end-linux-release-x64-try,front-end-nnbd-linux-release-x64-try,benchmark-linux-try,dart-sdk-linux-try,pkg-linux-release-try,vm-ffi-android-release-arm-try,vm-ffi-android-release-arm64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/177862
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Aske Simon Christensen <askesc@google.com>
2021-01-20 18:08:25 +00:00
Ryan Macnak b1c09ecd8f [vm] Make naming more consistent when converting between handles, tagged and untagged pointers.
Currently we have things called XPtr which are not what you get from ptr().

Old world:
handle->raw() returns RawObject* (tagged)
raw_obj->ptr() returns RawObject* (untagged)

After 6fe15f6df9:
handle->raw() returns ObjectPtr
obj_ptr->ptr() returns ObjectLayout*

New world:
handle->ptr() returns ObjectPtr
obj_ptr->untag() returns UntaggedObject*

TEST=ci
Change-Id: I6c7f34014cf20737607caaf84979838300d12df2
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/149367
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2021-01-15 23:32:02 +00:00
Regis Crelier b3bca1821c [VM/runtime] Decouple representation of function signatures from Function objects.
This fixes issue https://github.com/dart-lang/sdk/issues/43088

This CL improves on https://dart-review.googlesource.com/c/sdk/+/166920 by keeping the names of type parameters.

See go/dart-vm-signatures for motivation for this change.

TEST=existing suites

Change-Id: Ia82f1d322f72d07b2fb253cf914f9b868025c71e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/176981
Reviewed-by: Ryan Macnak <rmacnak@google.com>
2021-01-07 23:45:37 +00:00
Martin Kustermann 0f76981bb1 [vm/concurrency] Change references to class_table/object_store/heap from Isolate to IsolateGroup
As part of making the compiler and other subsystems independent
of `Isolate` we have to move various state from `Isolate` to
`IsolateGroup`.

The class_table and object_store were already moved to `IsolateGroup`.

This CL only replaces usages of `Isolate::{object_store,class_table}`
with the equivalent in `IsolateGroup`.

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

TEST=Pure refactoring - relying on existing test coverage.

Change-Id: I34a0682d715b054d6c5faff077a513980f59a348
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/177126
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Alexander Aprelev <aam@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
2021-01-06 15:22:11 +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 3e7cda8a4e [vm/ffi] Support passing structs by value
This CL adds passing structs by value in FFI trampolines.
Nested structs and inline arrays are future work.
C defines passing empty structs as undefined behavior, so that is not
supported in this CL.

Suggested review order:
1) commit message
2) ffi/marshaller (decisions for what is done in IL and what in MC)
3) frontend/kernel_to_il (IL construction)
4) backend/il (MC generation from IL)
5) rest in VM

Overall architecture is that structs are split up into word-size chunks
in IL when this is possible: 1 definition in IL per chunk, 1 Location in
IL per chunk, and 1 NativeLocation for the backend per chunk.
In some cases it is not possible or less convenient to split into
chunks. In these cases TypedDataBase objects are stored into and loaded
from directly in machine code.
The various cases:
- FFI call arguments which are not passed as pointers: pass individual
  chunks to FFI call which already have the right location.
- FFI call arguments which are passed as pointers: Pass in TypedDataBase
  to FFI call, allocate space on the stack, and make a copy on the stack
  and pass the copies' address to the callee.
- FFI call return value: pass in TypedData to FFI call, and copy result
  in machine code.
- FFI callback arguments which are not passed as pointers: IL definition
  for each chunk, and populate a new TypedData with those chunks.
- FFI callback arguments which are passed as pointer: IL definition for
  the pointer, and copying of contents in IL.
- FFI return value when location is pointer: Copy data to callee result
  location in IL.
- FFI return value when location is not a pointer: Copy data in machine
  code to the right registers.

Some other notes about the implementation:
- Due to Store/LoadIndexed loading doubles from float arrays, we use
  a int32 instead and use the BitCastInstr.
- Linux ia32 uses `ret 4` when returning structs by value. This requires
  special casing in the FFI callback trampolines to either use `ret` or
  `ret 4` when returning.
- The 1 IL definition, 1 Location, and 1 NativeLocation approach does
  not remove the need for special casing PairLocations in the machine
  code generation because they are 1 Location belonging to 1 definition.

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: ia32 Android (emulator), x64 iOS
(simulator), arm64 iOS.
ABIs not tested: 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/36730.

Change-Id: I474d3a4ee1faadbe767ddadd1b696e24d8dc364c
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/+/140290
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-12-14 16:22:48 +00:00
Alexander Markov 4ab36120d7 [vm] Fix finalization of classes when instances are allocated
Classes should be allocate-finalized before instance can be allocated
in order to properly update class hierarchy information and invalidate
code which was speculatively optimized.

TEST=runtime/tests/vm/dart/regress_44342_test.dart

Fixes https://github.com/dart-lang/sdk/issues/44342

Change-Id: I52a415f4cf25010eb23be339266a91ae6b7d7261
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/175106
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
2020-12-04 23:54:37 +00:00
Daco Harkes 88de61b933 [vm/ffi] Refactor Zone arguments to first position
We pass `Zone* zone` usually as first argument to functions.
This was not the case in existing FFI code.

Addressing:
https://dart-review.googlesource.com/c/sdk/+/140290/37/runtime/vm/compiler/ffi/native_type.h#181

Change-Id: I858af575848d94381780800eda7a9c506f67eb3e
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-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/170428
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-11-05 13:57:53 +00:00
Daco Harkes a983155d44 [vm/ffi] Remove bytecode mode only runtime entries
Some FFI ops are implemented in the method recognizer:
https://dart-review.googlesource.com/c/sdk/+/120661

We kept the runtime entries slow path for bytecode mode,
but bytecode mode has now been removed:
https://dart-review.googlesource.com/c/sdk/+/169502
https://dart-review.googlesource.com/c/sdk/+/169147

This left the runtime entries as dead code, so this CL deletes those.

Change-Id: I93d3ba23adf1550648cbee730bc38e903a695c5c
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/169406
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Auto-Submit: Daco Harkes <dacoharkes@google.com>
2020-10-29 01:07:03 +00:00
Alexander Markov 7588ed86de Remove bytecode mode from the VM
Change-Id: Ief167b7ffc128105a03cc225ab750234c9a6a7a0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/169147
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
2020-10-28 17:42:35 +00:00
Daco Harkes d98f777da8 [vm/ffi] Change dart_api_dl.cc to dart_api_dl.c
Adapted the solution from
https://github.com/mraleph/go_dart_ffi_example/blob/master/dart_api_dl/include/dart_api_dl.c
such that we only have one carbon copy of the signatures.

This breaks existing code because the file is renamed, which is
added to the changelog.

Closes: https://github.com/dart-lang/sdk/issues/42982

Change-Id: If9300cac513c6cf5dac9e524bfc069764bb1a3f8
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/157965
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2020-08-10 15:11:21 +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
Ryan Macnak 6fe15f6df9 [vm] Represent tagged pointers as C++ value types instead of C++ pointer types.
This works around bugs in UndefinedBehaviorSanitizer and Clang.

Bug: b/28638298
Change-Id: I6be595f9664516019d28017d24559583a1ae3a21
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/144354
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2020-04-25 05:21:27 +00:00
Ryan Macnak 160046f44c [vm] Move CID predicates out of RawObject.
When using C++ value types to represent tagged pointers, we cannot use forward declarations for tagged pointers. This helps to break include cycles when attempting to keep IsXYZ predicates as tagged pointer member functions.

class_id.h also seems like a more natural place for these predicates, which were written before there was a class_id.h.

Change-Id: I0677560a794ed084d10f844606e202feb0c3820a
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/144321
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
2020-04-21 20:09:55 +00:00
Vyacheslav Egorov a41a1dc917 [vm/compiler] Split compiler sources out of normal VM sources.
Make them form its own source set (libdart_compiler) and completely exclude
them from AOT runtime targets.

Previously we had some inconsistencies, with some files were using
DART_PRECOMPILED_RUNTIME to fully or partially exclude either contents
from their headers or from implementation, while other files did nothing
and relied on linker to throw their contents away.

This change tries to address this inconsistency.

A follow up change would include a check in most compiler headers which
would prohibit to use them while building AOT runtime.

Change-Id: Ief11b11cbc518b301d3e93fce80580a31bbad151
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/142993
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-04-16 22:59:03 +00:00
Daco Harkes 6facea722b [vm/ffi] Unbox Pointer data field - fix bytecode
Fixes: https://github.com/dart-lang/sdk/issues/40898

Change-Id: Ife33da9c9e87e26b21fee30f7fa97292dbd8e31e
Cq-Include-Trybots: luci.dart.try:vm-dartkb-linux-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/138506
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Daco Harkes <dacoharkes@google.com>
2020-03-06 09:15:51 +00:00
Régis Crelier 5701c4fd3b [VM/nnbd] Remove propagation of library mode to runtime after spec change.
On 1/27/20, the nnbd specification changed weak and strong mode instance checks
to make them behave uniformly across legacy and opted-in libraries.
Therefore, it is not necessary anymore to propagate the library mode in
generated code to the runtime.

Change-Id: I42d3ddc6e9a921899aeac21be6374c7893a6d27c
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/138111
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Commit-Queue: Régis Crelier <regis@google.com>
2020-03-03 20:30:32 +00:00
Martin Kustermann 619e9202b7 [vm] Do not call MSAN_CHECK_INITIALIZED for ExternalData created via dart:ffi
It is common to allocate memory via `dart:ffi`, use
`Pointer.asTypedList()` to get an external typed data and finally
initialize it in Dart.

b/150573916

Change-Id: I72ce2e3474e41d1553bc8ca2c782b61d93b97874
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/137961
Reviewed-by: Daco Harkes <dacoharkes@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>
2020-03-02 12:11:20 +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 01f4479372 [vm/ffi] Change internal loads and stores to take byteOffesets
Change-Id: Iaff7aa9f158b3b168ccf2d7014a43b08afaa448e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/136182
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-02-18 12:16:16 +00:00
Samir Jindel 1fbc71da0f Re-land "[vm] AOT blobs snapshots are obsolete. Remove dead code."
Original change is in Patchset 1. I erroneously assumed DART_PRECOMPILER
was only used AOT compilation (it is also used for JIT snapshots).

Change-Id: I77f6c463db7f2b482c9b098f353dc28f0676ea0d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/135900
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Samir Jindel <sjindel@google.com>
2020-02-17 11:12:15 +00:00
Siva Annamalai edd64e6d5c Revert "[vm] AOT blobs snapshots are obsolete. Remove dead code."
This reverts commit bcc0900e6a.

Reason for revert: This CL is breaking the Fuchsia Flutter build see https://github.com/flutter/engine/pull/16604/checks?check_run_id=445155807 

Original change's description:
> [vm] AOT blobs snapshots are obsolete. Remove dead code.
> 
> Change-Id: I35cf4befbe66b92197dcd659172f90be3de30f8e
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/134840
> Commit-Queue: Samir Jindel <sjindel@google.com>
> Reviewed-by: Ryan Macnak <rmacnak@google.com>

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

Change-Id: I9dd32a71bf43907f59ed766b98bf453bab99ea3c
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/135881
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Siva Annamalai <asiva@google.com>
2020-02-14 06:40:31 +00:00
Samir Jindel bcc0900e6a [vm] AOT blobs snapshots are obsolete. Remove dead code.
Change-Id: I35cf4befbe66b92197dcd659172f90be3de30f8e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/134840
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Ryan Macnak <rmacnak@google.com>
2020-02-13 14:16:49 +00:00
Daco Harkes 8408232522 [vm/ffi] Replace FFI compiler pipeline
Introduces NativeRepresentation and NativeLocation for the compilation of FFI.

NativeRepresentations are able to express all representations (or types) of the native ABIs we bind to with FFI, this is more representations that than that are used in Dart itself.
NativeLocations are able to express all locations of the native ABIs we bind to with FFI, this is more types of locations than that are used for the Dart calling convention.
See the documentation in the respective files.

These NativeLocations and NativeRepresentations are computed by the NativeCallingConvention and consumed by the Marshaller and Assemblers.

This reenginering is required for go/dart-ffi-by-value, hardfp (Arm S and D fpu registers), and iOS 64 bit (non-word-aligned stack arguments).

In addition, by using the NativeRepresentations we also get slightly reduced code size:

* The tracking of sizes is improved, so less sign/zero-extension operations are required.
* UnboxedWidthExtenderInstr is fully removed, the size extension is done inside the native moves, coalescing moves and size extension when possible.
* BitCastInstr is only used when really needed. This reduces code-size on arm32 softfp.

This fixes the iOS arm64 calling convention, manually tested with https://github.com/flutter/flutter/pull/46078 and https://dart-review.googlesource.com/c/sdk/+/131074.

Fixes: https://github.com/dart-lang/sdk/issues/39637
Issue: https://github.com/dart-lang/sdk/issues/36309
Issue: https://github.com/dart-lang/sdk/issues/36730

Change-Id: I8878bc0f314277bab4ca22f417c6295ecc017720
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/+/129081
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2020-02-05 08:46:07 +00:00
Daco Harkes 41b0a6b8c0 [vm/ffi] Split up compiler/ffi.cc into separate files
This CL is a code cleanup landed separately from https://dart-review.googlesource.com/c/sdk/+/129081 to make the CL size smaller.

Refactorings:
* Split up runtime/vm/compiler/ffi.{cc,h} in multiple files.
* Move FrameRebase to compiler/ffi and prevent it from modifying Locations.
* Remove use of <algorithm>.

Change-Id: Ice2a96470a3242a731255383b9647fabab107ac5
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/+/133224
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2020-01-24 15:34:59 +00:00
Régis Crelier e2e290b4cf [VM/nnbd] Simplify NNBDMode enum class.
NNBDMode does not reflect the semantics (legacy or nnbd) of type tests anymore.
Instead, the semantics are derived from the value of the strong mode flag.
This required one function to be specialized, namely the implementation of
'null is Type' in weak mode in an opted-in library, which still requires
nnbd semantics although run in weak mode.
Relevant changes are in object.h and object.cc:
- methods NNBD_NullIsInstanceOf and NNBD_IsTopType are new.
- methods IsNullType, IsTopType, and IsNeverType are modified.

Change-Id: I36cd43d93d2cfabd110cbcc6b26487a583bb089d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/130444
Commit-Queue: Régis Crelier <regis@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2020-01-08 19:35:00 +00:00
Régis Crelier 482ae8cb5b [VM/nnbd] Implement weak and strong mode type checking in runtime.
This does not yet include checking of required named parameters.
Also, inlined type testing code, type testing stubs, and type propagation are
not yet updated.

Change-Id: If6d8996635474e349d28b7fd207d724838d08881
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/129922
Commit-Queue: Régis Crelier <regis@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
2020-01-06 22:32:19 +00:00
Régis Crelier 8617da2bf0 [VM/nnbd] Pass NNBD mode to runtime functions whose semantics depend on it.
Runtime functions do not yet implement the NNBD semantics.
In a next change, generated code will pass NNBD mode to the runtime.
Declare one new VM flags: --strong-non-nullable-type-checks

Change-Id: I050a468e4a6b665ce46c345bafba04a947cf7cb0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/124105
Commit-Queue: Régis Crelier <regis@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
2019-11-16 02:49:48 +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 bdf02028cd [vm/ffi] Remove deprecated methods
Removes deprecated `load`, `store`, `allocate`, `free`, and `asExternalTypedData` methods from Pointer because these have been replace by extension methods and `package:ffi`.

Closes: https://github.com/dart-lang/sdk/issues/38860

Change-Id: I76d21bcfd2fdd6ee504a51db821345125beb92d2
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-reload-mac-release-simdbc64-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
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/121708
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2019-10-16 01:15:42 +00:00
Daco Harkes d82ca1a9c7 [vm/ffi] Remove Struct type argument
This has coupled changes in package:ffi and package:tflite_native which are pinned in DEPS.

This CL includes the required analyzer changes from https://dart-review.googlesource.com/c/sdk/+/121647.

Issue: https://github.com/dart-lang/sdk/issues/38611

Change-Id: I712a886fd28ce0a2954fc42c90e1dfa495057732
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-reload-mac-release-simdbc64-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
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/121422
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2019-10-15 18:35:57 +00:00
Daco Harkes 9f33e8da04 [vm/ffi] Pointer optimize indexed load and store
Follow up of https://dart-review.googlesource.com/c/sdk/+/117547

This gets rid of unnecessary allocations in hot loops with indexed loads and stores.

Issue: https://github.com/dart-lang/sdk/issues/38172

Change-Id: I37a4b1aba00084e465d47cce79bb9963e1afc104
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-mac-debug-simdbc64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-reload-mac-release-simdbc64-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
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/119645
Reviewed-by: Martin Kustermann <kustermann@google.com>
2019-10-11 15:54:01 +00:00
Samir Jindel 63d3012e68 [vm/ffi] Deprecate Pointer.allocate/free.
Fixes https://dart-review.googlesource.com/c/sdk/+/118442.

Also updates untested sample code in samples/ffi.

Change-Id: Id40a7b8fbb35c5d989269646ebb22864cebcfcac
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/118441
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2019-10-10 13:17:43 +00:00
Daco Harkes 597cd06aec [vm/ffi] Pointer load and store as extension methods
Issue: https://github.com/dart-lang/sdk/issues/37773
Change-Id: I836d6305b613cf05590d872874f4517831be3e08
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-mac-debug-simdbc64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-reload-mac-release-simdbc64-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
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/118992
Reviewed-by: Samir Jindel <sjindel@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2019-10-08 16:49:41 +00:00
Daco Harkes d23c824435 Reland "[vm/ffi] Optimize Pointer operations for statically known types"
Original CL in patchset 1.
Fix for simdbc in patchset 4.
Fix for arm32 precompiled in: https://dart-review.googlesource.com/c/sdk/+/120660/

This CL optimizes Pointer operations in hot loops for Pointer<NativeInteger/NativeDouble/Pointer> (not for structs).

Design: go/dart-ffi-pointers-il

It provides roughly a 100x speedup for the FfiMemory benchmark. The next 5x speedup is to get rid of allocations due to `load` and `store` not being inlined.

FFI API is changed to enable optimizations:

* Disable dynamic invocations of Pointer.load / Pointer.store.
* Disallow implicit downcast of argument passed to Pointer.store.
* Stop zeroing out Pointer.address on Pointer.free().

Issue: https://github.com/dart-lang/sdk/issues/38172

Related issues:

Closes: https://github.com/dart-lang/sdk/issues/35902 (Disallowing dynamic invocations of Pointer ops.)
Closes: https://github.com/dart-lang/sdk/issues/37385 (Function variance checking)
Change-Id: I3921a595fd05026d6ca565ace496771d7c1d877b
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-mac-debug-simdbc64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-reload-mac-release-simdbc64-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
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/120661
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Daco Harkes <dacoharkes@google.com>
2019-10-08 13:04:39 +00:00
Daco Harkes 0eff6b38a9 Revert "[vm/ffi] Optimize Pointer operations for statically known types"
This reverts commit 3712ed27ef.

Reason for revert: Breaks Arm32 precompiled.
Issue: https://github.com/dart-lang/sdk/issues/38737

Original change's description:
> [vm/ffi] Optimize Pointer operations for statically known types
> 
> This CL optimizes Pointer operations in hot loops for Pointer<NativeInteger/NativeDouble/Pointer> (not for structs).
> 
> Design: go/dart-ffi-pointers-il
> 
> It provides roughly a 100x speedup for the FfiMemory benchmark. The next 5x speedup is to get rid of allocations due to `load` and `store` not being inlined.
> 
> FFI API is changed to enable optimizations:
> 
> * Disable dynamic invocations of Pointer.load / Pointer.store.
> * Disallow implicit downcast of argument passed to Pointer.store.
> * Stop zeroing out Pointer.address on Pointer.free().
> 
> Issue: https://github.com/dart-lang/sdk/issues/38172
> 
> Related issues:
> Closes: https://github.com/dart-lang/sdk/issues/35902 (Disallowing dynamic invocations of Pointer ops.)
> Closes: https://github.com/dart-lang/sdk/issues/37385 (Function variance checking.)
> 
> Change-Id: I96058d8b5b49052eb6999f084372e6f08b4f6f17
> 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
> Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/117547
> Commit-Queue: Daco Harkes <dacoharkes@google.com>
> Reviewed-by: Martin Kustermann <kustermann@google.com>

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

Change-Id: I3b7923ace45beaa9f99119e9ea20c1e52b429ad8
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Issue: https://github.com/dart-lang/sdk/issues/38172
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
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/120582
Reviewed-by: Daco Harkes <dacoharkes@google.com>
Commit-Queue: Daco Harkes <dacoharkes@google.com>
2019-10-07 11:50:43 +00:00
Daco Harkes 3712ed27ef [vm/ffi] Optimize Pointer operations for statically known types
This CL optimizes Pointer operations in hot loops for Pointer<NativeInteger/NativeDouble/Pointer> (not for structs).

Design: go/dart-ffi-pointers-il

It provides roughly a 100x speedup for the FfiMemory benchmark. The next 5x speedup is to get rid of allocations due to `load` and `store` not being inlined.

FFI API is changed to enable optimizations:

* Disable dynamic invocations of Pointer.load / Pointer.store.
* Disallow implicit downcast of argument passed to Pointer.store.
* Stop zeroing out Pointer.address on Pointer.free().

Issue: https://github.com/dart-lang/sdk/issues/38172

Related issues:
Closes: https://github.com/dart-lang/sdk/issues/35902 (Disallowing dynamic invocations of Pointer ops.)
Closes: https://github.com/dart-lang/sdk/issues/37385 (Function variance checking.)

Change-Id: I96058d8b5b49052eb6999f084372e6f08b4f6f17
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
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/117547
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2019-10-07 09:23:54 +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
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
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
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 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
Samir Jindel 9b5abe523f Re-land "[vm/ffi] Enable creating an ExternalTypedData from a Pointer."
Changes from original:

- Finalize the specific ExternalTypedData class before allocating.
- Add new import to all FFI patch files to not depend on the order the patch files
  are applied.

Original CL is in patchset 1.

Change-Id: I85c5e0d8bce15d8120575b6dbaae311c64aa6ec2
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/112242
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
2019-08-07 13:10:30 +00:00