* [ObjCRuntime] Add a BindingImplAttribute.
* [linker] Make ProviderToString an extension method on ICustomAttributeProvider to make it more discoverable.
* [generator] Use [BindingImpl] instead of [CompilerGenerated].
The entire diff is big (89MB), so it can't be gisted. However, most of it is
either removal of `using System.Runtime.CompilerServices;` or the change from
`[CompilerGenerated]` to `[BindingImpl (...)]` like this:
https://gist.github.com/rolfbjarne/8bfda3ed37b956d0342a1c1e9b079244
If I remove those parts of the diff, there's nothing significant left:
https://gist.github.com/rolfbjarne/4156164d6bdb1376366200394eb8a091
* [linker] Teach the linker about the new [BindingImpl] attribute.
In addition to the existing logic where the linker would optimize some
[CompilerGenerated] code (sometimes with additional requirements), it will now
also optimize all [BindingImpl (Optimizable)] code (without any additional
requirements).
* [tests] Add tests to make sure [BindingImpl (Optimizable)] works as expected.
* [linker] Check for [BindingImpl] before [CompilerGenerated] and stop checking for [CompilerGenerated] in XAMCORE_4_0.
Check for [BindingImpl] before checking for [CompilerGenerated], since the
former is more common.
Also stop checking for [CompilerGenerated] (at least to mean that code is
optimizable) in our next non-compatible evolutionary leap (XAMCORE_4_0):
* [introspection] Impl a better typo check.
* [linker] Implement a generic method of storing attributes that may be removed by the linker.
Implement a generic method of storing attributes that may be removed by the
linker, so that those attributes can be accessed after the linker has linked
them away.
* [linker] Store availability attributes using the new generic location.
* [linker] Store the CompilerGenerated attribute using the new generic location.
* [mtouch/mmp] Give users more control over optimizations, and share more code between mtouch and mmp.
1. Add an --optimize flag to mtouch/mmp that allows users to select which
optimizations to apply (or not). This makes it easier to add future
optimizations, and allow users to disable any optimization that causes
problems without having to disable many other features.
2. Share as much optimization code as possible between mtouch and mmp. This
immediately gives a benefit to mmp, which has three new optimizations only
mtouch had: NSObject.IsDirectBinding inlining, IntPtr.Size inlining and
dead code elimination.
This results in ~6kb of disk space saved for a linked Xamarin.Mac app:
* link sdk: [Debug][1], [Release][2]
* link all: [Debug][3], [Release][4]
Testing also verifies that monotouchtest ([Debug][5], [Release][6]) has not
changed size at all, which means that no default optimizations have changed
inadvertedly.
[1]: https://gist.github.com/rolfbjarne/6b731e3b5ca6170355662e6505c3d492#link-sdk-mac--debug
[2]: https://gist.github.com/rolfbjarne/6b731e3b5ca6170355662e6505c3d492#link-sdk-mac--release
[3]: https://gist.github.com/rolfbjarne/6b731e3b5ca6170355662e6505c3d492#link-all-mac--debug
[4]: https://gist.github.com/rolfbjarne/6b731e3b5ca6170355662e6505c3d492#link-all-mac--release
[5]: https://gist.github.com/rolfbjarne/6b731e3b5ca6170355662e6505c3d492#monotouchtest-iphonedebug64
[6]: https://gist.github.com/rolfbjarne/6b731e3b5ca6170355662e6505c3d492#monotouchtest-iphonerelease64
* [tools] Don't enable the IsDirectBinding optimization by default for Xamarin.Mac apps, it's not safe.
* Fix whitespace issues.
* [doc] Document optimizations.
* Officially support optimizations by adding them to the Versions.plist.
* [linker] Improve IntPtr.Size inliner + dead code eliminatior and add tests.
* Properly handle operands for the ldc_i4_s instruction (they're sbyte).
* Fix less-than condition to actually do a less-than comparison.
* Make sure to look up the bitness in the Target, not the Application, since
the Application's value will be incorrect when building fat apps (both
Is32Build and Is64Build will be true).
* Remove unnecessary checks for the IntPtr.Size inliner: this optimization
does not depend on other instructions than the IntPtr.get_Size call, so
remove the checks that verify surrounding instructions. This makes the
IntPtr.Size inliner kick in in more scenarios (such as the new tests).
* Add tests.
* [tests] Add mmp tests for optimizations.
* [tests] Fix XM optimization tests.
* [tests] Fix test build error.
Caching the result of checking whether a type is a CIFilter or not in a
dictionary makes the total time spent in the method go down to approximately a
third (11ms to 3ms) when linking monotouch-test on my machine.
Previous behavior
=================
* The linker would determine if a class is a generated binding class or not.
This was determined by the presence of a constructor taking a single IntPtr
argument, and with a [CompilerGenerated] attribute.
* If a class was not a generated binding class, then that class and all its
superclasses were marked as not optimizable (in the context of inlining the
IsDirectBinding check).
* The end result was that all classes with a [CompilerGenerated] IntPtr
constructor that weren't subclassed, were optimized (the IsDirectBinding
value was implied to be 'true').
Unfortunately this does not match how the IsDirectBinding value is actually
computed, and is in many cases quite wrong.
Background
==========
The authorative value for the IsDirectBinding value is the register attribute:
```csharp
[Register ("MyClass", true)] // the second parameter specifies the IsDirectBinding value
class MyClass : NSObject {}
```
Due to history this second parameter is called `IsWrapper` and not
`IsDirectBinding`, but it's the exact same thing.
Unfortunately looking up this attribute every time a class is instantiated is
slow (since fetching attributes is slow), so we guess this value in NSObject's
initialization: if the actual type of the object is in the platform assembly,
then we assume IsDirectBinding=true:
```csharp
IsDirectBinding = (this.GetType ().Assembly == PlatformAssembly);
```
and any subclasses in the platform assembly which is not a direct binding have
to set the correct value in their constructors.
New behavior
============
In the linker we now track three states for the IsDirectBinding value for each
class: if it can be inlined into a constant true or false, or if it has to be
checked at runtime (a nullable bool is used, and null corresponds with this
last undetermined state).
* The linker will look at the `[Register]` attribute for a class, and:
* If the type is CIFilter, store that IsDirectBinding=undetermined.
* If IsWrapper=False, store that IsDirectBinding=False for that class, and
that IsDirectBinding=undetermined for all super classes where
IsWrapper=True.
* If IsWrapper=True, tentatively assume IsDirectBinding=True in that class
unless already determined to be undetermined (which will be overruled if
a non-wrapper subclass is found later).
Results
=======
For monotouch-test, the changes are as follows:
* Classes we can now assume IsDirectBinding=true: https://gist.github.com/rolfbjarne/acd6a8cf1236562a832d6db9400afee9#file-foo-diff-L1-L25
* Classes we previously assumed incorrectly that IsDirectBinding=true: https://gist.github.com/rolfbjarne/acd6a8cf1236562a832d6db9400afee9#file-foo-diff-L27-L645
* Classes we can now assume IsDirectBinding=false: https://gist.github.com/rolfbjarne/acd6a8cf1236562a832d6db9400afee9#file-foo-diff-L647-L2281
There are also minor size improvements (in the iPhone/Debug64 configuration):
The executable is 17.632 bytes smaller:
-rwxr-xr-x 1 rolf staff 73038384 Jan 12 12:40 /Users/rolf/test/old/monotouchtest.app/monotouchtest
-rwxr-xr-x 1 rolf staff 73020752 Jan 12 12:50 /Users/rolf/test/new/monotouchtest.app/monotouchtest
Xamarin.iOS.dll is 3.072 bytes smaller (this will probably be 0 on a release (stripped) build).
-rw-r--r-- 1 rolf staff 2522624 Jan 12 12:40 /Users/rolf/test/old/monotouchtest.app/Xamarin.iOS.dll
-rw-r--r-- 1 rolf staff 2519552 Jan 12 12:50 /Users/rolf/test/new/monotouchtest.app/Xamarin.iOS.dll
CIFilter
========
There's a complication with CIFilters [1] [2], their implementation is
somewhat special, so we do not want to optimize anything for those classes to
not risk getting anything wrong.
[1] https://github.com/xamarin/xamarin-macios/pull/3055
[2] https://bugzilla.xamarin.com/show_bug.cgi?id=15465
* [linker] Refactor and simplify code optimizations.
We had several types of code optimizations, where we'd determine a particular
expression is a constant, then remove the condition and the code for any
dead branches.
Unfortunately each type of expression had its own logic to determine the
sequence of code to remove, each slightly different depending on the actual
conditional expression. This has led to bugs in the past, either when
switching between compilers (mcs/csc), or compilers have changed their emitted
code.
So implement a more generic version where each optimization just changes the
specific condition to a constant value, and then at the end we have a dead-
code-elimination pass that eliminates dead code based on those constant
conditions.
This version is also a lot more defensive than the previous code, it will bail
out without doing anything if it finds a code sequence it doesn't understand.
This also makes it easier to implement other similar code optimizations.
Simple time measuring shows no slowdown in the linker, and the size difference for monotouch-test is negligable at best:
256 bytes more for the exectuable:
-rwxr-xr-x 1 rolf staff 72890464 Dec 1 14:39 /Users/rolf/test/old/monotouchtest.app/monotouchtest
-rwxr-xr-x 1 rolf staff 72890720 Dec 1 14:44 /Users/rolf/test/new/monotouchtest.app/monotouchtest
3584 bytes less for Xamarin.iOS.dll:
-rw-r--r-- 1 rolf staff 2506240 Dec 1 14:39 /Users/rolf/test/old/monotouchtest.app/Xamarin.iOS.dll
-rw-r--r-- 1 rolf staff 2502656 Dec 1 14:44 /Users/rolf/test/new/monotouchtest.app/Xamarin.iOS.dll
I don't know why the executable grew slightly, the IL diff for Xamarin.iOS.dll
shows nothing out of the ordinary:
https://gist.github.com/rolfbjarne/33590ad651a21f9a9352ac9b97b9dc06
* [linker] NewRefcount is constantly true for Unified, so trying to inline it is useless.
* [linker] Remove redundant code.
* [linker] Remove nops at the end of methods.
It's not legal IL to have a nop as the last instruction of a method, peverify complains:
> [IL]: Error: [D:\Documentos\Rolf\Xamarin\Xamarin.iOS.dll : AVFoundation.AVAssetImageGenerator::get_AppliesPreferredTrackTransform][offset 0x0000001E] fall through end of the method without returning
so detect and remove nops at the end of methods.
Also add a sanity check to ensure we don't remove nops that are targets for
branch instructions (should never happen, but it doesn't hurt to be safe).
PEVerify shows much fewer errors now, [1721][1] vs [2581][2], although the [IL diff][3]
is bigger (due to the removed nops).
Updated timing measurements show no slowdown in the linker, and the size
difference for monotouch-test is negligable:
32 bytes less for the exectuable:
-rwxr-xr-x 1 rolf staff 72890880 Jan 12 00:54:49 2018 /Users/rolf/test/old/monotouchtest.app/monotouchtest*
-rwxr-xr-x 1 rolf staff 72890848 Jan 12 00:56:57 2018 /Users/rolf/test/new/monotouchtest.app/monotouchtest*
12288 bytes less for Xamarin.iOS.dll (this is a debug build, a release build
would probably not show any difference at all):
-rw-r--r-- 1 rolf staff 2506240 Jan 12 00:54:49 2018 /Users/rolf/test/old/monotouchtest.app/Xamarin.iOS.dll
-rw-r--r-- 1 rolf staff 2493952 Jan 12 00:56:57 2018 /Users/rolf/test/new/monotouchtest.app/Xamarin.iOS.dll
[1]: https://gist.github.com/rolfbjarne/9c8fa519a6f8e1718b125472f05ded07#file-peverify-new-txt-L1726
[2]: https://gist.github.com/rolfbjarne/9c8fa519a6f8e1718b125472f05ded07#file-peverify-old-txt-L2586
[3]: https://gist.github.com/rolfbjarne/35d5bfec1809ad2a80a7781cebe5b574
* [MetalPerformanceShaders] Activate bindings for Xamarin.Mac and add n… (#2816)
* [MetalPerformaceShaders] Several MPSCnnKernel properties should be readonly (#2938)
The subclasses versions of the properties need Override, cannot be removed since it would break visibility for iOS 10
* Remove some [Model] attributes that sholdn't be needed
* Fix introspection test crashes
* More introspection fixes
* NN does not need to be PascalCased
Remove unneeded Models and BaseTypes
* PR Whitespace fixes and renamings
* Paste fail
* More fixes from PR comments
* [MPS] Adds new intro test, fixes ctors and xtro output
* Removes duplicated availability attributes.
* Removes obsoleted API from macOS since mps is new to it.
* Fixes xtro output.
* Adds missing API.
* Fixes parameterless ctors, some of them do not really work, found
by our new intro test and disabled the one that seem to not make
sense due to the presence of DesignatedInitializers.
* Fixes a selector typo.
* Adds new `ShouldNotExposeDefaultCtorTest` to intro.
ShouldNotExposeDefaultCtorTest
==============================
This test checks for types with a parameterless ctor that are subclasses
of `NSObject` and then cheks if the BaseType of said objects also expose
a parameterless ctor (all in .NET land), if this is not the case it reports
them and so they can manually audited. Also this test has the ability to
print alloc/init ObjC code by setting `genObjCTestCode` to `true` so you can
take this code into an Xcode project and easily tests the ctors.
It seems that xtro (sharpie) does not have a complete picture of when a ctor
must be exposed hence the hability to generate this code and manually test.
Right now this test is just enabled for MPS since it is the scope of this PR.
In the future it should be enabled for all other frameworks and the output be
manually audited.
* [MPS] Fixes premature collection possible in bindings (bug 59547) and implements feedback.
https://bugzilla.xamarin.com/show_bug.cgi?id=59547
* Fixes premature collection possible in bindings im MPSKernel.cs
* Fixes MPSImageHistogramTest from using deprecated API.
* Removes renamed selectors and typos from ApiSelectorTest and ApiTypoTest.
* [MPS] Reenable Copy API and DesignatedInitializer xtro feedback
* Implement more feedback
* More feedback
Don't assume that a marked method has a caller, since a method can be marked
from XML as well.
This fixes a NullReferenceException:
> error : Could not link assemblies.
> Type: `System.Reflection.RuntimeParameterInfo`
> Assembly: `mscorlib, Version=2.0.5.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e`
> Reason: Object reference not set to an instance of an object
> --- inner exception
> System.NullReferenceException: Object reference not set to an instance of an object (Aufgaben-ID: 165)
> at MonoTouch.Tuner.MonoTouchMarkStep.MarkMethod (Mono.Cecil.MethodReference reference) [0x0004f] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/tools/linker/MonoTouch.Tuner/MonoTouchMarkStep.cs:105
> at Mono.Linker.Steps.MarkStep.MarkMethodCollection (System.Collections.IEnumerable methods) [0x00017] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/external/linker/linker/Mono.Linker.Steps/MarkStep.cs:1163
> at Mono.Linker.Steps.MarkStep.MarkMethods (Mono.Cecil.TypeDefinition type) [0x0000b] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/external/linker/linker/Mono.Linker.Steps/MarkStep.cs:1157
> at Xamarin.Linker.Steps.MobileMarkStep.MarkMethods (Mono.Cecil.TypeDefinition type) [0x0000b] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/tools/linker/MobileMarkStep.cs:123
> at Mono.Linker.Steps.MarkStep.ApplyPreserveInfo (Mono.Cecil.TypeDefinition type) [0x0004a] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/external/linker/linker/Mono.Linker.Steps/MarkStep.cs:1102
> at Mono.Linker.Steps.MarkStep.MarkType (Mono.Cecil.TypeReference reference) [0x001ee] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/external/linker/linker/Mono.Linker.Steps/MarkStep.cs:607
> at Xamarin.Linker.Steps.MobileMarkStep.MarkType (Mono.Cecil.TypeReference reference) [0x00001] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/tools/linker/MobileMarkStep.cs:71
> at Xamarin.Linker.Steps.CoreMarkStep.MarkType (Mono.Cecil.TypeReference reference) [0x00046] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/tools/linker/CoreMarkStep.cs:156
> at MonoTouch.Tuner.MonoTouchMarkStep.MarkType (Mono.Cecil.TypeReference reference) [0x00001] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/tools/linker/MonoTouch.Tuner/MonoTouchMarkStep.cs:84
> at Mono.Linker.Steps.MarkStep.MarkType (Mono.Cecil.TypeReference reference) [0x0007d] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/external/linker/linker/Mono.Linker.Steps/MarkStep.cs:566
> at Xamarin.Linker.Steps.MobileMarkStep.MarkType (Mono.Cecil.TypeReference reference) [0x00001] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/tools/linker/MobileMarkStep.cs:71
> at Xamarin.Linker.Steps.CoreMarkStep.MarkType (Mono.Cecil.TypeReference reference) [0x00046] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/tools/linker/CoreMarkStep.cs:156
> at MonoTouch.Tuner.MonoTouchMarkStep.MarkType (Mono.Cecil.TypeReference reference) [0x00001] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/tools/linker/MonoTouch.Tuner/MonoTouchMarkStep.cs:84
> at Mono.Linker.Steps.MarkStep.InitializeType (Mono.Cecil.TypeDefinition type) [0x0005b] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/external/linker/linker/Mono.Linker.Steps/MarkStep.cs:94
> at Mono.Linker.Steps.MarkStep.InitializeAssembly (Mono.Cecil.AssemblyDefinition assembly) [0x00025] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/external/linker/linker/Mono.Linker.Steps/MarkStep.cs:81
> at Mono.Linker.Steps.MarkStep.Initialize () [0x00016] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/external/linker/linker/Mono.Linker.Steps/MarkStep.cs:73
> at Mono.Linker.Steps.MarkStep.Process (Mono.Linker.LinkContext context) [0x00008] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/external/linker/linker/Mono.Linker.Steps/MarkStep.cs:66
> at Xamarin.Linker.Steps.MobileMarkStep.Process (Mono.Linker.LinkContext context) [0x00001] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/tools/linker/MobileMarkStep.cs:33
> at Xamarin.Linker.Steps.CoreMarkStep.Process (Mono.Linker.LinkContext context) [0x00017] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/tools/linker/CoreMarkStep.cs:26
> at MonoTouch.Tuner.MonoTouchMarkStep.Process (Mono.Linker.LinkContext context) [0x0001d] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/tools/linker/MonoTouch.Tuner/MonoTouchMarkStep.cs:36
> at Mono.Linker.Pipeline.Process (Mono.Linker.LinkContext context) [0x00023] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/external/linker/linker/Mono.Linker/Pipeline.cs:128
> at MonoTouch.Tuner.Linker.Process (MonoTouch.Tuner.LinkerOptions options, MonoTouch.Tuner.MonoTouchLinkContext& context, System.Collections.Generic.List`1[Mono.Cecil.AssemblyDefinition]& assemblies) [0x000e0] in /Users/builder/data/lanes/5481/2f8bbec0/source/xamarin-macios/tools/mtouch/Tuning.cs:82
https://bugzilla.xamarin.com/show_bug.cgi?id=60176
The registrar requires the availability attributes to work properly, which is
non-trivial when the linker is being used, because the linker runs before the
registrar, and will remove availability attributes.
For this reason we store the availability attributes separately when the
linker removes them so that the registrar can still find them, but
unfortunately it's not enough to store the CustomAttribute instance, because
it may end up crippled: if the attribute type itself is removed by the linker,
then it's not possible to get the attribute type from the CustomAttribute
instance, because 'attribute.Constructor.DeclaringType' returns null (the
linker sets the declaring type of the constructor to null).
Solution: store the attribute type separately; now we use a Tuple of
CustomAttribute and TypeReference.
Fixes this ugly exception:
System.NullReferenceException: Object reference not set to an instance of an object
at XamCore.Registrar.Registrar.RegisterAssembly (Mono.Cecil.AssemblyDefinition assembly) [0x00146] in /work/maccore/master/xamarin-macios/src/ObjCRuntime/Registrar.cs:2316
at XamCore.Registrar.StaticRegistrar.Generate (System.Collections.Generic.IEnumerable`1[T] assemblies, System.String header_path, System.String source_path) [0x00035] in /work/maccore/master/xamarin-macios/tools/common/StaticRegistrar.cs:4197
at Xamarin.Bundler.RunRegistrarTask.Execute () [0x00001] in /work/maccore/master/xamarin-macios/tools/mtouch/BuildTasks.mtouch.cs:154
The registrar requires the availability attributes to work properly, which is
non-trivial when the linker is being used, because the linker runs before the
registrar, and will remove availability attributes.
For this reason we store the availability attributes separately when the
linker removes them so that the registrar can still find them, but
unfortunately it's not enough to store the CustomAttribute instance, because
it may end up crippled: if the attribute type itself is removed by the linker,
then it's not possible to get the attribute type from the CustomAttribute
instance, because 'attribute.Constructor.DeclaringType' returns null (the
linker sets the declaring type of the constructor to null).
Solution: store the attribute type separately; now we use a Tuple of
CustomAttribute and TypeReference.
Fixes this ugly exception:
System.NullReferenceException: Object reference not set to an instance of an object
at XamCore.Registrar.Registrar.RegisterAssembly (Mono.Cecil.AssemblyDefinition assembly) [0x00146] in /work/maccore/master/xamarin-macios/src/ObjCRuntime/Registrar.cs:2316
at XamCore.Registrar.StaticRegistrar.Generate (System.Collections.Generic.IEnumerable`1[T] assemblies, System.String header_path, System.String source_path) [0x00035] in /work/maccore/master/xamarin-macios/tools/common/StaticRegistrar.cs:4197
at Xamarin.Bundler.RunRegistrarTask.Execute () [0x00001] in /work/maccore/master/xamarin-macios/tools/mtouch/BuildTasks.mtouch.cs:154
Only apply smart enum conversion to enums, and downgrade related warnings to log messages.
This avoids spurious warnings like this:
> warning MT4124: Invalid BindAsAttribute found on 'Bindings.Test.ObjCRegistrarTest.GetBooleanArray': could not find the smart extension type System.BooleanExtensions. Please file a bug report at https://bugzilla.xamarin.com
when the BindAs attribute is valid, but just not about a smart enum in the first place.
Prevents these little gems:
> warning MT4124: Invalid BindAsAttribute found on 'Mono.Cecil.MethodReturnType': could not find the smart extension type ...
Only apply smart enum conversion to enums, and downgrade related warnings to log messages.
This avoids spurious warnings like this:
> warning MT4124: Invalid BindAsAttribute found on 'Bindings.Test.ObjCRegistrarTest.GetBooleanArray': could not find the smart extension type System.BooleanExtensions. Please file a bug report at https://bugzilla.xamarin.com
when the BindAs attribute is valid, but just not about a smart enum in the first place.
Prevents these little gems:
> warning MT4124: Invalid BindAsAttribute found on 'Mono.Cecil.MethodReturnType': could not find the smart extension type ...
* This framework was a private framework before iOS 11.
This framework was a private framework before iOS 11, yet the headers claim
many API were introduced in iOS 10.
So take account of this difference by using the private framework location in
iOS 10.3 or earlier.
Testing these API from Xcode works fine when run on an iOS 10.3 device, and
I've confirmed the IOSurface framework is loaded from the private frameworks
path on older devices (and when built using Xcode 9 and linked with the public
framework path).
* Disable code to make IOSurface work on iOS 10.
Disable the code to make IOSurface work on iOS 10, since it may be rejected by
the App Store.
This also means adjusting the availability attributes, so that the
introspection tests pass (and to document that technically these API won't
work when used with Xamarin.iOS in iOS 10).
I've filed bug #[59201][1] to keep track of this, maybe we can re-enable this later.
[1]: https://bugzilla.xamarin.com/show_bug.cgi?id=59201
The base class now has this method, with the exact same implementation:
0a4e328e3f/linker/Mono.Linker.Steps/SweepStep.cs (L294-L301),
so there's no need to duplicate it.
It also fixes this compiler warning:
> tools/linker/MobileSweepStep.cs(58,18): warning CS0108: 'MobileSweepStep.SweepCollection(IList)' hides inherited member 'SweepStep.SweepCollection(IList)'. Use the new keyword if hiding was intended.
* [Vision] Add bindings for Xcode 9 Beta 1 & 2
This commit also adds two convenience overloads to GetAttachments
that allows you to get a more strongly typed version of the
returned dictionary, this is needed because there is no easy way
to downcast from NSDictionary to NSDictionary<TKey, TValue>
and it is used in the sample that excecises the Vision API found here
https://github.com/dalexsoto/FaceDetector
* [Vision] Implement feedback
* Add commas to enums to avoid diff spam
* Throw a managed exception when we fail to dinamically call Vision framework
* [Vision] Update to xcode 9 Beta 3
* [vision] fix VNImageCropAndScaleOption enum
Also removed public modifier from enums in order to have interfaces
and enums in sync
* [Vision] Add missing comma to enum
* [Vision] More API enhancements
* Removed default .ctor from types that are not user created
* Added Strong Dictionary to VNImageRequestHandler ctors
* Turned VNImageOption into a StrongDictionary
* Added bug report[1] for BarcodeDescriptor so we do not forget
* Removed duped metadata from manual bindings
* VNDetectedObjectObservation subclasses now have the factory
method FromBoundingBox inherited from its parent class
(VNDetectedObjectObservation).
[1]: https://bugzilla.xamarin.com/show_bug.cgi?id=58197
* [Vision] Merge extern API with wrappers, fixed intro!
* [Vision] Add one missing public accessor to VNUtils
Fix collecting required internal symbols which aren't in the objc_msgSend
family by not bailing out early for a function which isn't in the objc_msgSend
family.
Also add a test.
* [CoreML] Add Xcode 9 Beta 1 bindings
* Do not C# 7 here... :'(
* No C# 7 here either :'(
* Apply feedback
* [CoreML] Fix feedback and xtro
* [CoreML] Add more feedback
* Fix build.... What the heck was I thinking, always rebuild your stuff...
When we process P/Invokes to add support for exception marshaling, we may
change P/Invokes to be __Internal. This means that we need to move the check
for __Internal P/Invokes to after processing P/Invokes for exception
marshaling.
https://bugzilla.xamarin.com/show_bug.cgi?id=57833
* [mtouch] Improve how we make sure native symbols aren't stripped away. Fixes#51710 and #54417.
* Refactor required symbol collection to store more information about each
symbol (field, function, Objective-C class), and in general make the code
more straight forward.
* Implement support for generating source code that references these symbols,
and do this whenever we can't ask the native linker to keep these symbols
(when using bitcode). Additionally make it possible to do this manually, so
that the source code can be generated for non-bitcode platforms too (which
is useful if the number of symbols is enormous, in which case we might
surpass the maximum command-line length).
* Also make it possible to completely ignore native symbols, or ignore them on
a per-symbol basis. This provides a fallback for users if we get something
right and we try to preserve something that shouldn't be preserved (for
instance if it doesn't exist), and the user ends up with unfixable linker
errors.
* Don't collect Objective-C classes unless they're in an assembly with
LinkWith attributes. We don't need to preserve Objective-C classes in any
other circumstances.
* Implement everything for both Xamarin.iOS and Xamarin.Mac, and share the
code between them.
* Remove previous workaround for bug #51710, since it's no longer needed.
* Add tests.
https://bugzilla.xamarin.com/show_bug.cgi?id=54417https://bugzilla.xamarin.com/show_bug.cgi?id=51710
* [mtouch] Make sure to only keep symbols from the current app when code sharing.
This fixes a build problem with the interdependent-binding-projects test when
testing in Today Extension mode.
* Update to mono 2017-04 branch
* Patch from Zoltan to fix build error with CppSharp.CppParser.dll
* Include new linker files in Makefile, based on mareks commit
* [msbuild] Fix running bgen for Xamarin.Mac.
bgen must be executed with the system mono, not bmac-mobile-mono, and without
the MONO_PATH variable set.
* System.Data tests should act as if they are running on mobile profile
* Add --runtime=mobile to mono flags in Modern
* Move runtime launcher options up
* System.Data tests should use Mobile profile (mac fix)
* Bump 2017-04 to pick up AOT and assembly resolution fixes
* Build fixes for netstandard.dll and System.Drawing.Primitives.dll
The new handling went in with https://github.com/mono/mono/pull/4501.
I also noticed that WatchOS was missing a target for System.Drawing.Primitives.dll, so I added that.
* Add netstandard.dll to 2.1/Facades and System.Drawing.Primitives.dll to WatchOS
* Fix 2.1/Facades/netstandard.dll build
* Fix the netstandard targets
* Bump mono to latest 2017-04 commit
* [xharness] Fix adding defines to csproj by correctly detecting existing defines.
* Bump mono to latest 2017-04 commit
* [mtouch] Update csproj with new files.
* [mtouch] Improve reporting for MarkExceptions from the linker.
* Bump mono to latest 2017-04 commit
* Bump mono to pick up latest 2017-04 branch commit (Fixes#55436)
Fixes https://bugzilla.xamarin.com/show_bug.cgi?id=55436
* Add a missing Makefile dependency
* Chris Hamons patch to apply --runtime=mobile as necessary at AOT time
(It is currently being applied for some configurations at runtime only)
* Bump system mono
* Bump mono for assembly loader changes
* Bump system mono
* Update assemblies list as some where moved to facades
6ca5ec442bc38e4d9220
* Bump mono to latest 2017-04 commit
* Add another new facade
* Bump mono to tip of 2017-04.
* Bump mono to tip of 2017-04.
* [tests][mtouch] Adjust tests to cope with fewer assemblies being included in linked apps. Fixes#56307 and #56308.
System.dll is now completely linked away unless the app actually uses any
System.dll API.
This is the change that caused this to change: 4960d5d2a2
Previously the following types would always be kept by the linker:
```
$ monodis --typedef System.dll
Typedef Table
1: (null) (flist=1, mlist=1, flags=0x0, extends=0x0)
2: ObjCRuntime.INativeObject (flist=1, mlist=1, flags=0xa0, extends=0x0)
3: Mono.Net.CFObject (flist=1, mlist=2, flags=0x100000, extends=0x5)
4: Mono.Net.CFArray (flist=4, mlist=19, flags=0x100, extends=0xc)
5: Mono.Net.CFNumber (flist=5, mlist=32, flags=0x100100, extends=0xc)
6: Mono.Net.CFRange (flist=5, mlist=41, flags=0x100108, extends=0x25)
7: Mono.Net.CFString (flist=7, mlist=42, flags=0x100100, extends=0xc)
8: Mono.Net.CFData (flist=8, mlist=53, flags=0x100100, extends=0xc)
9: Mono.Net.CFDictionary (flist=8, mlist=63, flags=0x0, extends=0xc)
10: Mono.Net.CFMutableDictionary (flist=10, mlist=75, flags=0x100100, extends=0x24)
11: Mono.Net.CFUrl (flist=10, mlist=80, flags=0x100100, extends=0xc)
12: Mono.Net.CFRunLoop (flist=10, mlist=83, flags=0x100100, extends=0xc)
13: Mono.Net.CFBoolean (flist=10, mlist=94, flags=0x100, extends=0x5)
14: Mono.AppleTls.SecCertificate (flist=13, mlist=106, flags=0x100100, extends=0x5)
15: Mono.AppleTls.SecIdentity (flist=14, mlist=122, flags=0x100, extends=0x5)
16: Mono.AppleTls.SecIdentity/ImportOptions (flist=19, mlist=134, flags=0x100105, extends=0x5)
17: Mono.AppleTls.SecKey (flist=19, mlist=134, flags=0x100100, extends=0x5)
18: Mono.AppleTls.SecStatusCode (flist=21, mlist=141, flags=0x100, extends=0x69)
19: Mono.AppleTls.SecTrustResult (flist=395, mlist=141, flags=0x100, extends=0x69)
20: Mono.AppleTls.SecImportExport (flist=404, mlist=141, flags=0x100100, extends=0x5)
21: Mono.AppleTls.SecImportExport/<>c (flist=404, mlist=144, flags=0x102103, extends=0x5)
22: Mono.AppleTls.SecPolicy (flist=406, mlist=147, flags=0x100100, extends=0x5)
23: Mono.AppleTls.SecTrust (flist=407, mlist=154, flags=0x100100, extends=0x5)
24: System.Security.Cryptography.OidGroup (flist=408, mlist=174, flags=0x101, extends=0x69)
25: System.Security.Cryptography.Oid (flist=420, mlist=174, flags=0x100101, extends=0x5)
26: System.Security.Cryptography.CAPI (flist=423, mlist=176, flags=0x100180, extends=0x5)
27: System.Security.Cryptography.AsnEncodedData (flist=423, mlist=178, flags=0x100101, extends=0x5)
28: System.Security.Cryptography.X509Certificates.X509Utils (flist=424, mlist=179, flags=0x100100, extends=0x5)
29: System.Security.Cryptography.X509Certificates.PublicKey (flist=424, mlist=181, flags=0x100101, extends=0x5)
30: System.Security.Cryptography.X509Certificates.X509Certificate2 (flist=429, mlist=188, flags=0x102101, extends=0x51)
31: System.Security.Cryptography.X509Certificates.X509Certificate2Impl (flist=431, mlist=204, flags=0x100080, extends=0x55)
32: System.Security.Cryptography.X509Certificates.X509CertificateCollection (flist=431, mlist=209, flags=0x102101, extends=0x6d)
33: System.Security.Cryptography.X509Certificates.X509CertificateCollection/X509CertificateEnumerator (flist=431, mlist=212, flags=0x100102, extends=0x5)
34: System.Security.Cryptography.X509Certificates.X509Helper2 (flist=432, mlist=217, flags=0x100180, extends=0x5)
35: <PrivateImplementationDetails> (flist=432, mlist=218, flags=0x100, extends=0x5)
36: <PrivateImplementationDetails>/__StaticArrayInitTypeSize=9 (flist=433, mlist=219, flags=0x113, extends=0x25)
```
Some of the above types from System.dll implemented ObjCRuntime.INativeObject
(from System.dll), which our linker detected as implementing
ObjCRuntime.INativeObject (from Xamarin.iOS.dll), so these types were treated
as custom NSObject subclasses, and the MarkNSObjects linker step would mark
them (which would in turn cause all the other types in the list to be marked).
With that change, these types now implement ObjCRuntimeInternal.INativeObject,
and the linker does not treat them as custom NSObject subclasses anymore.
I think the new behavior is correct: these types do not actually inherit from
the real NSObject/INativeObject, so the linker should not treat them as such.
This may run into different bugs because the linker might now remove more
stuff than before, but that would be a different issue.
This means that the fix is to modify these tests accordingly.
https://bugzilla.xamarin.com/show_bug.cgi?id=56307https://bugzilla.xamarin.com/show_bug.cgi?id=56308
* Bump mono to latest.
* Fix merge conflict that was missed
* [mtouch] Renumber new error which clashes with an existing error number in master.
* [generator] Keep [NotImplemented] info so it is usable in 3rd party bindings. Fixes bug 52664
https://bugzilla.xamarin.com/show_bug.cgi?id=52664
Currently we do not keep the [NotImplemented](0) information and the
generator gets a little confused because it will not find an Export
inside the getters/setters of properties and there is no way to tell
if this was intentional or not. We now keep the [NotImplemented]
and also add some null checks in the generator where needed.
Reenabled tests disabled in 9f036b218a
[0]: https://developer.xamarin.com/guides/cross-platform/macios/binding/objective-c-libraries/#Objective-C_Mutable_Pattern_and_Properties
* [generator] Implement feedback
* Added quote method
* Teach linker about NotImplementedAttribute
* [generator] Improve Quote method
* [generator] Fix quote now for realsssss
This XM-only RemoveSelectors works on FieldDefinition but in some cases,
e.g. inside a generic types, it's FieldReference that are encoded. This
meant the static constructor was not re-written correctly and would throw
a TargetInvocationException (since the fields were removed correctly)
https://bugzilla.xamarin.com/show_bug.cgi?id=55693
`csc` without `/optimize` generates different IL, including additional
and not required load and store instructions. We previously ignored them
but that could leave the stack unbalanced leading to runtime exceptions.
We are now nop'ing the extraneous instructions (same as the rest of the
unneeded branch code)
This fixes#53872 [1] and also the known parts of #56209 (the other parts
are still NEEDINFO and could, possibly, be unrelated).
[1] https://bugzilla.xamarin.com/show_bug.cgi?id=53872
[2] https://bugzilla.xamarin.com/show_bug.cgi?id=56209#c2
Replace https://github.com/xamarin/xamarin-macios/pull/1973 expect that
the test parts are still needed.
* Add XM SDK + LinkSkip test
* [macos] Add platform linking support to msbuild
* [macos] Add full SDK test
* [macios] Diable classic from using linkplatform
- Extended test infrastructure change to allow classic projects that include bundling
- Setting linkplatform in MonoBundlingExtraArgs since we don't even read project setting LinkMode - Platform for classic
We automatically add the product assembly as a root assembly when in
embeddinator mode (because other root assemblies may not reference it), but we
don't want to mark all public types from product assemblies.
Rolf Bjarne Kvinge
Sebastien Pouliot
Vincent Dondain
Timothy Risi
Chris Hamons
Luis Aguilera
Sebastien Pouliot
Miguel de Icaza
Alex Soto
Andi McClure
Marek Safar