Move the creation of an uninitialized NSObject from native to managed, which:
* Removes the need for the mono_object_new Embedding API.
* Removes one location where we write to managed memory from native code (to
write the handle + flags in the uninitialized NSObject).
* Makes things easier for CoreCLR.
* We already switch to GC Safe mode anyway, so there were no benefits from
entering native code in a GC unsafe mode. In fact we used to switch to GC
Safe mode for every statement in xamarin_release_managed_ref, and now we can
execute everything in GC Safe mode without switching back and forth. This
also means there should be no difference in behavior.
* All parameters are blittable, so there's no extra marshalling cost.
* Easier for CoreCLR.
* Avoids a native->managed transition
* Avoids creating/destroying a GCHandle.
* Makes it possible to remove an argument from the call to
xamarin_release_managed_ref.
* Makes things easier for CoreCLR.
* [runtime] Link the coreclr version of libxamarin with CoreCLR instead of Mono.
The diff might look a bit weird, because there's no changes specific to CoreCLR -
the difference is that we're in fact removing a special-case to link with Mono: we
used the DOTNET_$(rid)_LIBDIR variable to specify the directory where to find libcoreclr,
we now use DOTNET_CORECLR_$(rid)_LIBDIR when building for CoreCLR, but that's handled
by the default case, so no need to add any special casing. We still override DOTNET_osx-<arch>_LIBDIR
for MonoVM (no change needed for that).
* [runtime] Generate stubs for the mono embedding API when building for CoreCLR.
This makes libxamarin link successfully when building for CoreCLR.
* [runtime] Port the is_user_type function from native to managed code.
* This is a straight forward port of native code to managed code, and
shouldn't have any significant side effects.
* Makes it possible to move more code from native to managed for
xamarin_create_managed_ref and xamarin_release_managed_ref in the future.
* Update xtro.
Make variables can have dashes, which means we don't have to convert dashes in
rids to underscores to be able to compose variable names.
This speeds up make because now we don't have to execute hundreds of
subprocesses when parsing the makefile.
Before:
$ make -j16 > /dev/null && /usr/bin/time make && /usr/bin/time make && /usr/bin/time make
2.11 real 0.57 user 1.26 sys
2.15 real 0.57 user 1.28 sys
2.17 real 0.58 user 1.30 sys
After:
$ make -j16 > /dev/null && /usr/bin/time make && /usr/bin/time make && /usr/bin/time make
0.52 real 0.18 user 0.25 sys
0.52 real 0.18 user 0.25 sys
0.52 real 0.18 user 0.26 sys
So now it's ~4x faster (1.6s) for make to figure out there's nothing to do.
I don't see why we should avoid calling xamarin_create_managed_ref from
NSObject's managed code, and then immediately call xamarin_create_managed_ref
upon return from NSObject's managed code.
This code is old ([1]), and from my reading of it, there's no specific reason
it was done this way.
Simplify the logic to call xamarin_create_managed_ref from a single place
(NSObject's managed code).
[1]: e59c45d3f9
Any performance difference will be neglible compared to running the GC, so
there's no compelling reason to use the embedding API.
This makes things a bit easier with CoreCLR, since the new code works there too.
This also required a few changes in delegates.t4 to make code generation for
functions without arguments work correctly.
* Avoids one usage of xamarin_set_nsobject_flags (which pokes into managed
memory from native code, which won't be possible with CoreCLR).
* Makes it possible to move more code from native to managed for
xamarin_release_managed_ref in the future.
* Since the code order is exactly the same, it shouldn't have any other side
effects.
* Add configure option to disable building for legacy Xamarin.
This can greatly speed up the debug-edit-build cycle when doing .NET
development, since it cuts down the build time in half more or less.
* Bump maccore.
New commits in xamarin/maccore:
* xamarin/maccore@548fa45432 [mlaunch] Disable building mlaunch when not including the legacy Xamarin build. (#2403)
Diff: 0562e08b12..548fa45432
* [runtime] Build our runtime for Mac Catalyst/ARM64 for .NET.
* [ObjCRuntime] There's no need for the StartWWAN implementation on Mac Catalyst.
This also fixes a build error:
error MT5214: Native linking failed, undefined symbol: _xamarin_start_wwan. This symbol was referenced by the managed member ObjCRuntime.Runtime.xamarin_start_wwan.
* Only exclude xamarin_start_wwan in the .NET version of Mac Catalyst.
* [tests] Update to not run the StartWWAN test on Mac Catalyst.
* Update conditional logic.
* Fix build with newer make versions.
This makes it so that it's possible to attach to the debugger by setting the
__XAMARIN_DEBUG_HOSTS__/__XAMARIN_DEBUG_PORT__ environment variables, without
the need for enabling a setting somewhere else (like in
Settings.bundle/Root.plist on mobile devices).
This also means linking with the runtime packs from .NET instead of the mono archive
(thus we have one less reliance on the mono archive).
We're also using the Xamarin.iOS code for our macOS launch sequence now, since
(at least at first) we're only going to support self-contained .NET macOS apps
(so no need to support a system-installed runtime, which simplifies things a
bit).
* Convert the GCHandles interface from 32-bit ints to pointer size types
This involves:
* Stop using some bits of the GCHandle to store extra flags, instead add an extra
field to store those flags.
* Define a INVALID_GCHANDLE constant and use it instead of 0/NULL. This is not
strictly required, but it makes the code more self-documenting.
* Define a GCHandle type (typedef'ed to void*) and change all variables and parameters
to use it instead of guint32.
* Use our own xamarin_gchandle_* methods (with pointer-sized types) that wraps
the mono_gchandle_* embedding API (which uses 32-bit types) everywhere.
* Update managed code (registrars, runtime code, etc) accordingly.
* [runtime] Make debug code compile.
* Fix typo.
* Fix signature of xamarin_create_gchandle.
Co-authored-by: Aaron R Robinson <arobins@microsoft.com>
Split the make template 'PlatformTemplate' in two templates, now there's a 'FrameworkTemplate'
that's in charge of building Xamarin[-debug].framework, and the existing 'PlatformTemplate'
will be in charge of the rest of the native libraries.
* [watchOS] Add x86_64 simulator support
* Build runtime/registrar x86_64 slices
* Produce a 64 bit version of Xamarin.WatchOS.dll
* Allow building x86_64 for watch simulators in mtouch
* Let xharness know about x86_64
* [tests] Add x86_64 arch to test-libraries
* Make dotnet package aware of x64
* [ObjCRuntime] Fix computing if we're calling a stret function or not in a 64-bit watchOS simulator.
* [xharness] Re-enable some watchOS tests.
Co-authored-by: Rolf Bjarne Kvinge <rolf@xamarin.com>
* [dotnet] Fix install name for libxamarin[-debug].dylib on macOS
* When using DYNAMIC_MONO_RUNTIME pass down the bundle directory in MONO_PATH to the relaunched process. Also fix support for custom bundle names in the surrounding code.
* Fix pattern matching
* [runtime] Give a better error message if we can't load ObjCRuntime.Runtime.Initialize ()
Otherwise we'll get a SIGSEGV due to dereferencing NULL.
* Rework strings a bit to have fewer unique strings.
`strlen` is part of the list of C API banned by Microsoft.
Also rename a local variable in `Runtime.cs` so grepping the source
files won't show `strlen` outside the `tests` subdirectories.
* NSString can give us the length of the string
* NSData can copy memory into a supplied buffer
The later is already covered by tests in `tests/linker/ios/link all/InternalsTest.cs`
This avoids the use of `strcpy`, `memcpy` and `strlen` which can be
misused. We're already using ObjC code inside the file so we can
leverage higher-level API that makes review the code easier.
* [dotnet] Ship libxamarin.dylib and friends.
Add libxamarin[-debug].[a|dylib] to the NuGets.
* [dotnet] Create a DOTNET_PLATFORMS variable in Make.config.
Create a DOTNET_PLATFORMS variable in Make.config and use it everywhere
instead of the PLATFORMS variable we were defining in multiple Makefiles.
Also move the creation of the DOTNET_<platform>_RUNTIME_IDENTIFIERS variables
from dotnet/Makefile to Make.config, it'll soon be needed elsewhere as well.
* [runtime] Conditionally include bits.
* Make the contents of the DOTNET_[PLATFORMS|RUNTIME_IDENTIFIERS] variables depend on the INCLUDE_[IOS|TVOS|WATCH] variables.
We have better options for watchOS simulator and other platforms.
This only affects `lib*-debug.dylib` and `Xamarin-debug.framework`
as the non-debug binaries don't include debugging support.
Rolf Bjarne Kvinge
Alex Soto
Filip Navara
Manuel de la Pena
Sebastien Pouliot
monojenkins