Mike Ash a82ea120a4 [RemoteMirror][swift-inspect] Add a command to inspect the state of the concurrency runtime. ...

Most of the new inspection logic is in Remote Mirror. New code in swift-inspect calls the new Remote Mirror functions and formats the resulting information for display.

Specific Remote Mirror changes:

* Add a call to check if a given metadata is an actor.
* Add calls to get information about actors and tasks.
* Add a `readObj` call to MemoryReader that combines the read and the cast, greatly simplifying code chasing pointers in the remote process.
* Add a generalized facility to the C shims that can allocate a temporary object that remains valid until at least the next call, which is used to return various temporary arrays from the new calls. Remove the existing `lastString` and `lastChunks` member variables in favor of this new facility.

Swift-inspect changes:

* Add a new dump-concurrency command.
* Add a new `ConcurrencyDumper.swift` file with the implementation. The dumper needs to do some additional work with the results from Remote Mirror to build up the task tree and this keeps it all organized.
* Extend `Inspector` to query the target's threads and fetch each thread's current task.

Concurrency runtime changes:

* Add `_swift_concurrency_debug` variables pointing to the various future adapters. Remote Mirror uses these to provide a better view of a tasks's resume pointer.

rdar://85231338

2022-02-04 09:28:32 -05:00

..

swift

[RemoteMirror][swift-inspect] Add a command to inspect the state of the concurrency runtime.

2022-02-04 09:28:32 -05:00

swift-c

Add libSwiftScan entry-point to query target info.

2021-11-12 11:01:45 -08:00

CMakeLists.txt

…