[Lldb-commits] [lldb] [lldb] Implement basic support for reverse-continue (PR #112079)

[LLVM Continuous Integration via lldb-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-remote-linux-ubuntu` running on `as-builder-9` while building `lldb` at step 16 "test-check-lldb-api".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/195/builds/3828

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 16 (test-check-lldb-api) failure: Test just built components: check-lldb-api completed (failure)
...
UNSUPPORTED: lldb-api :: functionalities/ptrauth_diagnostics/BLRAA_error/TestPtrauthBLRAADiagnostic.py (561 of 1225)
PASS: lldb-api :: functionalities/process_group/TestChangeProcessGroup.py (562 of 1225)
UNSUPPORTED: lldb-api :: functionalities/ptrauth_diagnostics/BRAA_error/TestPtrauthBRAADiagnostic.py (563 of 1225)
UNSUPPORTED: lldb-api :: functionalities/ptrauth_diagnostics/LDRAA_error/TestPtrauthLDRAADiagnostic.py (564 of 1225)
UNSUPPORTED: lldb-api :: functionalities/ptrauth_diagnostics/brkC47x_code/TestPtrauthBRKc47xDiagnostic.py (565 of 1225)
UNSUPPORTED: lldb-api :: functionalities/ptrauth_diagnostics/brkC47x_x16_invalid/TestPtrauthBRKc47xX16Invalid.py (566 of 1225)
UNSUPPORTED: lldb-api :: functionalities/rerun_and_expr_dylib/TestRerunAndExprDylib.py (567 of 1225)
PASS: lldb-api :: functionalities/progress_reporting/TestProgressReporting.py (568 of 1225)
PASS: lldb-api :: functionalities/reverse-execution/TestReverseContinueNotSupported.py (569 of 1225)
UNRESOLVED: lldb-api :: functionalities/reverse-execution/TestReverseContinueBreakpoints.py (570 of 1225)
******************** TEST 'lldb-api :: functionalities/reverse-execution/TestReverseContinueBreakpoints.py' FAILED ********************
Script:
--
/usr/bin/python3.12 /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/lldb/test/API/dotest.py -u CXXFLAGS -u CFLAGS --env LLVM_LIBS_DIR=/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/./lib --env LLVM_INCLUDE_DIR=/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/include --env LLVM_TOOLS_DIR=/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/./bin --libcxx-include-dir /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/include/c++/v1 --libcxx-include-target-dir /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/include/aarch64-unknown-linux-gnu/c++/v1 --libcxx-library-dir /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/./lib/aarch64-unknown-linux-gnu --arch aarch64 --build-dir /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/lldb-test-build.noindex --lldb-module-cache-dir /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api --clang-module-cache-dir /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/lldb-test-build.noindex/module-cache-clang/lldb-api --executable /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/./bin/lldb --compiler /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/bin/clang --dsymutil /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/./bin/dsymutil --make /usr/bin/gmake --llvm-tools-dir /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/./bin --lldb-obj-root /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/tools/lldb --lldb-libs-dir /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/./lib --platform-url connect://jetson-agx-2198.lab.llvm.org:1234 --platform-working-dir /home/ubuntu/lldb-tests --sysroot /mnt/fs/jetson-agx-ubuntu --env ARCH_CFLAGS=-mcpu=cortex-a78 --platform-name remote-linux --skip-category=lldb-server /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/lldb/test/API/functionalities/reverse-execution -p TestReverseContinueBreakpoints.py
--
Exit Code: 1

Command Output (stdout):
--
lldb version 20.0.0git (https://github.com/llvm/llvm-project.git revision b7b9ccf44988edf49886743ae5c3cf4184db211f)
  clang revision b7b9ccf44988edf49886743ae5c3cf4184db211f
  llvm revision b7b9ccf44988edf49886743ae5c3cf4184db211f
Setting up remote platform 'remote-linux'
Connecting to remote platform 'remote-linux' at 'connect://jetson-agx-2198.lab.llvm.org:1234'...
Connected.
Setting remote platform working directory to '/home/ubuntu/lldb-tests'...
Skipping the following test categories: ['lldb-server', 'dsym', 'gmodules', 'debugserver', 'objc', 'lldb-dap']

--
Command Output (stderr):
--
WARNING:root:Custom libc++ is not supported for remote runs: ignoring --libcxx arguments
FAIL: LLDB (/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/bin/clang-aarch64) :: test_continue_preserves_direction (TestReverseContinueBreakpoints.TestReverseContinueBreakpoints.test_continue_preserves_direction)
FAIL: LLDB (/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/bin/clang-aarch64) :: test_continue_preserves_direction_asyhc (TestReverseContinueBreakpoints.TestReverseContinueBreakpoints.test_continue_preserves_direction_asyhc)
FAIL: LLDB (/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/bin/clang-aarch64) :: test_reverse_continue (TestReverseContinueBreakpoints.TestReverseContinueBreakpoints.test_reverse_continue)
FAIL: LLDB (/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/bin/clang-aarch64) :: test_reverse_continue_async (TestReverseContinueBreakpoints.TestReverseContinueBreakpoints.test_reverse_continue_async)
FAIL: LLDB (/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/bin/clang-aarch64) :: test_reverse_continue_breakpoint (TestReverseContinueBreakpoints.TestReverseContinueBreakpoints.test_reverse_continue_breakpoint)
FAIL: LLDB (/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/bin/clang-aarch64) :: test_reverse_continue_breakpoint_async (TestReverseContinueBreakpoints.TestReverseContinueBreakpoints.test_reverse_continue_breakpoint_async)
FAIL: LLDB (/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/bin/clang-aarch64) :: test_reverse_continue_skip_breakpoint (TestReverseContinueBreakpoints.TestReverseContinueBreakpoints.test_reverse_continue_skip_breakpoint)
FAIL: LLDB (/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/bin/clang-aarch64) :: test_reverse_continue_skip_breakpoint_async (TestReverseContinueBreakpoints.TestReverseContinueBreakpoints.test_reverse_continue_skip_breakpoint_async)
======================================================================
ERROR: test_continue_preserves_direction (TestReverseContinueBreakpoints.TestReverseContinueBreakpoints.test_continue_preserves_direction)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/lldb/test/API/functionalities/reverse-execution/TestReverseContinueBreakpoints.py", line 88, in test_continue_preserves_direction
    self.continue_preserves_direction_internal(async_mode=False)
  File "/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/llvm-project/lldb/test/API/functionalities/reverse-execution/TestReverseContinueBreakpoints.py", line 94, in continue_preserves_direction_internal
    target, process, initial_threads = self.setup_recording(async_mode)
                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

```

</details>

https://github.com/llvm/llvm-project/pull/112079