[lldb][tests] Automatically call compute_mydir (NFC)

Eliminate boilerplate of having each test manually assign to `mydir` by calling
`compute_mydir` in lldbtest.py.

Differential Revision: https://r

[lldb][tests] Automatically call compute_mydir (NFC)

Eliminate boilerplate of having each test manually assign to `mydir` by calling
`compute_mydir` in lldbtest.py.

Differential Revision: https://reviews.llvm.org/D128077

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Add a corefile style option to process save-core; skinny corefiles

Add a new feature to process save-core on Darwin systems -- for
lldb to create a user process corefile with only the dirty (modifie

Add a corefile style option to process save-core; skinny corefiles

Add a new feature to process save-core on Darwin systems -- for
lldb to create a user process corefile with only the dirty (modified
memory) pages included. All of the binaries that were used in the
corefile are assumed to still exist on the system for the duration
of the use of the corefile. A new --style option to process save-core
is added, so a full corefile can be requested if portability across
systems, or across time, is needed for this corefile.

debugserver can now identify the dirty pages in a memory region
when queried with qMemoryRegionInfo, and the size of vm pages is
given in qHostInfo.

Create a new "all image infos" LC_NOTE for Mach-O which allows us
to describe all of the binaries that were loaded in the process --
load address, UUID, file path, segment load addresses, and optionally
whether code from the binary was executing on any thread. The old
"read dyld_all_image_infos and then the in-memory Mach-O load
commands to get segment load addresses" no longer works when we
only have dirty memory.

rdar://69670807
Differential Revision: https://reviews.llvm.org/D88387

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[lldb] Add addressing_bits to KNOWN_HOST_INFO_KEYS and sort the list

This fixes TestGdbRemoteHostInfo on Apple Silicon.

[lldb/test] s/add_no_ack_remote_stream/do_handshake

These two functions are doing the same thing, only one of them is
sending the packets immediately and the other "queues" them to be sent
later. Th

[lldb/test] s/add_no_ack_remote_stream/do_handshake

These two functions are doing the same thing, only one of them is
sending the packets immediately and the other "queues" them to be sent
later. The first one is better as in case of errors, the backtrace will
point straight to the place that caused them.

Modify the first method to avoid duplication, and ten standardize on it.

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[lldb] Use assertIn/NotIn over assertTrue/False (NFC)

For improved failure messages, use `assertIn` over `assertTrue`.

Differential Revision: https://reviews.llvm.org/D96095

[lldb] Deduplicate some lldb-server tests

Merge llgs and debugserver flavours

[lldb/test] Automatically skip remote lldb-server tests when applicable

The tests don't work with remote debugservers. This isn't a problem with
any particular test, but the test infrastructure itse

[lldb/test] Automatically skip remote lldb-server tests when applicable

The tests don't work with remote debugservers. This isn't a problem with
any particular test, but the test infrastructure itself, which is why
each of these tests has a @skipIfDarwinEmbedded decorator.

This patch replaces that with a central category-based solution. It also
moves the ad-hoc windows skipping mechanism there too.

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[lldb/test] Reduce boilerplate in lldb-server tests

Nearly all of our lldb-server tests have two flavours (lldb-server and
debugserver). Each of them is tagged with an appropriate decorator, and
eac

[lldb/test] Reduce boilerplate in lldb-server tests

Nearly all of our lldb-server tests have two flavours (lldb-server and
debugserver). Each of them is tagged with an appropriate decorator, and
each of them starts with a call to a matching "init" method. The init
calls are mandatory, and it's not possible to meaningfully combine them
with a different decorator.

This patch leverages the existing decorators to also tag the tests with
the appropriate debug server tag, similar to how we do with debug info
flavours. This allows us to make the "init" calls from inside the common
setUp method.

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[lldb][test] Remove symlink for API tests.

Summary: Moves lldbsuite tests to lldb/test/API.

This is a largely mechanical change, moved with the following steps:

```
rm lldb/test/API/testcases
mkdi

[lldb][test] Remove symlink for API tests.

Summary: Moves lldbsuite tests to lldb/test/API.

This is a largely mechanical change, moved with the following steps:

```
rm lldb/test/API/testcases
mkdir -p lldb/test/API/{test_runner/test,tools/lldb-{server,vscode}}
mv lldb/packages/Python/lldbsuite/test/test_runner/test lldb/test/API/test_runner
for d in $(find lldb/packages/Python/lldbsuite/test/* -maxdepth 0 -type d | egrep -v "make|plugins|test_runner|tools"); do mv $d lldb/test/API; done
for d in $(find lldb/packages/Python/lldbsuite/test/tools/lldb-vscode -maxdepth 1 -mindepth 1 | grep -v ".py"); do mv $d lldb/test/API/tools/lldb-vscode; done
for d in $(find lldb/packages/Python/lldbsuite/test/tools/lldb-server -maxdepth 1 -mindepth 1 | egrep -v "gdbremote_testcase.py|lldbgdbserverutils.py|socket_packet_pump.py"); do mv $d lldb/test/API/tools/lldb-server; done
```

lldb/packages/Python/lldbsuite/__init__.py and lldb/test/API/lit.cfg.py were also updated with the new directory structure.

Reviewers: labath, JDevlieghere

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D71151

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