[all-commits] [llvm/llvm-project] b1c027: [LLDB] Add module hook implementation (#185465)

[Bar Soloveychik via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b1c027b3aa52a19ae87b36a61b78adee1e7aaee5
      https://github.com/llvm/llvm-project/commit/b1c027b3aa52a19ae87b36a61b78adee1e7aaee5
  Author: Bar Soloveychik <barsolo at meta.com>
  Date:   2026-04-28 (Tue, 28 Apr 2026)

  Changed paths:
    A lldb/include/lldb/Interpreter/Interfaces/ScriptedHookInterface.h
    M lldb/include/lldb/Interpreter/ScriptInterpreter.h
    M lldb/include/lldb/Target/Target.h
    M lldb/include/lldb/lldb-forward.h
    M lldb/source/Commands/CommandObjectTarget.cpp
    M lldb/source/Commands/Options.td
    M lldb/source/Plugins/ScriptInterpreter/Python/CMakeLists.txt
    M lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/ScriptInterpreterPythonInterfaces.cpp
    M lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/ScriptInterpreterPythonInterfaces.h
    A lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/ScriptedHookPythonInterface.cpp
    A lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/ScriptedHookPythonInterface.h
    M lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
    M lldb/source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPythonImpl.h
    M lldb/source/Target/Target.cpp
    A lldb/test/API/commands/target/module-hook/delete/TestTargetModuleHookDelete.py
    A lldb/test/API/commands/target/module-hook/disable/TestTargetModuleHookDisable.py
    A lldb/test/API/commands/target/module-hook/enable/TestTargetModuleHookEnable.py
    A lldb/test/Shell/Commands/command-module-hook-fire.test
    A lldb/test/Shell/Commands/command-module-hook.test
    A lldb/test/Shell/ExecControl/StopHook/Inputs/stop-hook-unified-1.lldbinit
    A lldb/test/Shell/ExecControl/StopHook/stop-hook-unified.test

  Log Message:
  -----------
  [LLDB] Add module hook implementation  (#185465)

Introduce a unified target hook command system for LLDB that handles
multiple target lifecycle events (module load, module unload, process
stop) through a single Hook class.

The existing target stop-hook commands remain unchanged for now, meaning
stop-hooks can now be created through either target stop-hook add or
target hook add -S.
A future follow-up can alias target stop-hook to the unified system to
consolidate the two paths.

 New commands:
- target hook add [-o cmd] [-P class] [-u] [-S] - create a hook (fires
on module load by default, optionally on unload/stop)
- target hook add-filter [filter-opts] <hook-id> - attach stop-event
filters (shlib, function, file/line, thread) to an existing hook
- target hook list / delete / enable / disable - manage hooks
- target hook {enable,disable} {module-loaded|module-unloaded|stop-hook}
<id> - per-event toggling

top-event filter options live on a separate add-filter command rather
than on target hook add, keeping the add command clean and making the
system safe for filters on other event types.

Ran the tests + Made sure stop tests are passing as well.

---------

Co-authored-by: Bar Soloveychik <barsolo at fb.com>



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