Files
clang-p2996/lldb/test/API/functionalities/scripted_process/dummy_scripted_process.py
Med Ismail Bennani 8f407b8e63 [lldb] Add "Trace" stop reason in Scripted Thread
This patch adds support to eStopReasonTrace to Scripted Threads.

This is necessary when using a Scrited Process with a Scripted Thread
Plan to report a special thread stop reason to the thread plan.

rdar://109425542

Differential Revision: https://reviews.llvm.org/D151043

Signed-off-by: Med Ismail Bennani <ismail@bennani.ma>
2023-05-22 16:14:00 -07:00

85 lines
2.7 KiB
Python

import os,struct, signal
from typing import Any, Dict
import lldb
from lldb.plugins.scripted_process import ScriptedProcess
from lldb.plugins.scripted_process import ScriptedThread
class DummyScriptedProcess(ScriptedProcess):
memory = None
def __init__(self, exe_ctx: lldb.SBExecutionContext, args : lldb.SBStructuredData):
super().__init__(exe_ctx, args)
self.threads[0] = DummyScriptedThread(self, None)
self.memory = {}
addr = 0x500000000
debugger = self.target.GetDebugger()
index = debugger.GetIndexOfTarget(self.target)
self.memory[addr] = "Hello, target " + str(index)
def read_memory_at_address(self, addr: int, size: int, error: lldb.SBError) -> lldb.SBData:
data = lldb.SBData().CreateDataFromCString(
self.target.GetByteOrder(),
self.target.GetCodeByteSize(),
self.memory[addr])
return data
def write_memory_at_address(self, addr, data, error):
self.memory[addr] = data.GetString(error, 0)
return len(self.memory[addr]) + 1
def get_loaded_images(self):
return self.loaded_images
def get_process_id(self) -> int:
return 42
def should_stop(self) -> bool:
return True
def is_alive(self) -> bool:
return True
def get_scripted_thread_plugin(self):
return DummyScriptedThread.__module__ + "." + DummyScriptedThread.__name__
def my_super_secret_method(self):
if hasattr(self, 'my_super_secret_member'):
return self.my_super_secret_member
else:
return None
class DummyScriptedThread(ScriptedThread):
def __init__(self, process, args):
super().__init__(process, args)
self.frames.append({"pc": 0x0100001b00 })
def get_thread_id(self) -> int:
return 0x19
def get_name(self) -> str:
return DummyScriptedThread.__name__ + ".thread-1"
def get_state(self) -> int:
return lldb.eStateStopped
def get_stop_reason(self) -> Dict[str, Any]:
return { "type": lldb.eStopReasonTrace, "data": {} }
def get_register_context(self) -> str:
return struct.pack(
'21Q', 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
def __lldb_init_module(debugger, dict):
if not 'SKIP_SCRIPTED_PROCESS_LAUNCH' in os.environ:
debugger.HandleCommand(
"process launch -C %s.%s" % (__name__,
DummyScriptedProcess.__name__))
else:
print("Name of the class that will manage the scripted process: '%s.%s'"
% (__name__, DummyScriptedProcess.__name__))