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In order to facilitate the writting of Scripted Processes, this patch
introduces a `ScriptedProcess` python base class in the lldb module.
The base class holds the python interface with all the - abstract -
methods that need to be implemented by the inherited class but also some
methods that can be overwritten.
This patch also provides an example of a Scripted Process with the
`ScriptedMachCoreProcess` class.
rdar://65508855
Signed-off-by: Med Ismail Bennani <[email protected]>
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D95712
Files:
lldb/bindings/python/python-scripted-process.swig
lldb/bindings/python/python.swig
lldb/examples/python/scripted_process.py
Index: lldb/examples/python/scripted_process.py
===================================================================
--- /dev/null
+++ lldb/examples/python/scripted_process.py
@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+
+from typing import List
+
+import lldb
+from lldb import ScriptedProcess
+
+class ScriptedMachCoreProcess(ScriptedProcess):
+ def __init__(self, target: lldb.SBTarget, args : lldb.SBStructuredData):
+ super().__init__(target, args)
+
+ ### Main functionalities
+ def get_num_memory_regions(self) -> int:
+ return len(self.memory_regions)
+ def get_memory_region_at_index(self, idx: int) -> lldb.SBMemoryRegionInfo:
+ return self.memory_regions[idx]
+ def get_num_threads(self) -> int:
+ return len(self.threads)
+ def get_thread_at_index(self, idx: int) -> lldb.SBThread:
+ return self.threads[idx]
+ def get_register_for_thread(self, tid: int):
+ return tid
+ def read_memory_at_address(self, addr: int) -> lldb.SBData:
+ return addr
+ def get_loaded_images(self) -> List[str]:
+ return self.loaded_images
+ def get_process_id(self) -> int:
+ return 42
+
+ ### Process state
+ def can_debug(self) -> bool:
+ return True
+ def is_alive(self) -> bool:
+ return True
+
+def __lldb_init_module(debugger, dict):
+ debugger.HandleCommand(
+ "process launch -S -C %s.%s" % (__name__,
+ ScriptedMachCoreProcess.__name__))
+
Index: lldb/bindings/python/python.swig
===================================================================
--- lldb/bindings/python/python.swig
+++ lldb/bindings/python/python.swig
@@ -130,6 +130,7 @@
%include "interfaces.swig"
%include "python-extensions.swig"
%include "python-wrapper.swig"
+%include "python-scripted-process.swig"
%pythoncode%{
_initialize = True
Index: lldb/bindings/python/python-scripted-process.swig
===================================================================
--- /dev/null
+++ lldb/bindings/python/python-scripted-process.swig
@@ -0,0 +1,65 @@
+%pythoncode %{
+from abc import ABC, abstractmethod
+from typing import List
+
+import lldb
+
+class ScriptedProcess(ABC):
+ @abstractmethod
+ def __init__(self, target: lldb.SBTarget, args : lldb.SBStructuredData):
+ self.process_id = 0
+ self.memory_regions = []
+ self.threads = []
+ self.loaded_images = []
+ self.stops = []
+ self.target = None
+ self.args = None
+ if isinstance(target, lldb.SBTarget) and target.IsValid():
+ self.target = target
+ if isinstance(args, lldb.SBStructuredData) and args.IsValid():
+ self.args = args
+
+ ### Main funcitonnalities
+ @abstractmethod
+ def get_num_memory_regions(self) -> int:
+ pass
+
+ @abstractmethod
+ def get_memory_region_at_index(self, idx: int) -> lldb.SBMemoryRegionInfo:
+ pass
+
+ @abstractmethod
+ def get_num_threads(self):
+ pass
+
+ @abstractmethod
+ def get_thread_at_index(self, idx: int) -> lldb.SBThread:
+ pass
+
+ @abstractmethod
+ def get_register_for_thread(self, tid:int):
+ pass
+
+ @abstractmethod
+ def read_memory_at_address(self, addr:int) -> lldb.SBData:
+ pass
+
+ @abstractmethod
+ def get_loaded_images(self) -> List[str]: # -> List[lldb.SBModule]:
+ pass
+
+ def get_process_id(self) -> int
+ return self.process_id
+
+ ### Process state
+ def launch(self) -> lldb.SBError:
+ return lldb.SBError()
+
+ @abstractmethod
+ def can_debug(self) -> bool:
+ pass
+
+ @abstractmethod
+ def is_alive(self) -> bool:
+ pass
+%}
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