caio/clang-p2996
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<rdar://problem/12491420>

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Added a new setting that allows a python OS plug-in to detect threads and provide registers for memory threads. To enable this you set the setting:

settings set target.process.python-os-plugin-path lldb/examples/python/operating_system.py

Then run your program and see the extra threads. 

llvm-svn: 166244
This commit is contained in:
Greg Clayton
2012-10-18 22:40:37 +00:00
parent ed8560b09c
commit c9d645d306
11 changed files with 109 additions and 37 deletions
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33
lldb/source/Interpreter/ScriptInterpreterPython.cpp
View File

@@ -721,7 +721,7 @@ GenerateUniqueName (const char* base_name_wanted,
}
bool
ScriptInterpreterPython::ExecuteOneLine (const char *command, CommandReturnObject *result, bool enable_io)
ScriptInterpreterPython::ExecuteOneLine (const char *command, CommandReturnObject *result, bool enable_io, bool set_lldb_globals)
{
if (!m_valid_session)
return false;
@@ -732,8 +732,8 @@ ScriptInterpreterPython::ExecuteOneLine (const char *command, CommandReturnObjec
// method to pass the command string directly down to Python.
Locker locker(this,
ScriptInterpreterPython::Locker::AcquireLock | ScriptInterpreterPython::Locker::InitSession,
ScriptInterpreterPython::Locker::FreeAcquiredLock | ScriptInterpreterPython::Locker::TearDownSession);
ScriptInterpreterPython::Locker::AcquireLock | (set_lldb_globals ? ScriptInterpreterPython::Locker::InitSession : 0),
ScriptInterpreterPython::Locker::FreeAcquiredLock | (set_lldb_globals ? ScriptInterpreterPython::Locker::TearDownSession : 0));
bool success = false;
@@ -1000,12 +1000,13 @@ bool
ScriptInterpreterPython::ExecuteOneLineWithReturn (const char *in_string,
ScriptInterpreter::ScriptReturnType return_type,
void *ret_value,
bool enable_io)
bool enable_io,
bool set_lldb_globals)
{
Locker locker(this,
ScriptInterpreterPython::Locker::AcquireLock | ScriptInterpreterPython::Locker::InitSession,
ScriptInterpreterPython::Locker::FreeAcquiredLock | ScriptInterpreterPython::Locker::TearDownSession);
ScriptInterpreterPython::Locker::AcquireLock | (set_lldb_globals ? ScriptInterpreterPython::Locker::InitSession : 0),
ScriptInterpreterPython::Locker::FreeAcquiredLock | (set_lldb_globals ? ScriptInterpreterPython::Locker::TearDownSession : 0));
PyObject *py_return = NULL;
PyObject *mainmod = PyImport_AddModule ("__main__");
@@ -1165,13 +1166,13 @@ ScriptInterpreterPython::ExecuteOneLineWithReturn (const char *in_string,
}
bool
ScriptInterpreterPython::ExecuteMultipleLines (const char *in_string, bool enable_io)
ScriptInterpreterPython::ExecuteMultipleLines (const char *in_string, bool enable_io, bool set_lldb_globals)
{
Locker locker(this,
ScriptInterpreterPython::Locker::AcquireLock | ScriptInterpreterPython::Locker::InitSession,
ScriptInterpreterPython::Locker::FreeAcquiredLock | ScriptInterpreterPython::Locker::TearDownSession);
ScriptInterpreterPython::Locker::AcquireLock | (set_lldb_globals ? ScriptInterpreterPython::Locker::InitSession : 0),
ScriptInterpreterPython::Locker::FreeAcquiredLock | (set_lldb_globals ? ScriptInterpreterPython::Locker::TearDownSession : 0));
bool success = false;
PyObject *py_return = NULL;
@@ -2373,6 +2374,7 @@ ScriptInterpreterPython::UpdateSynthProviderInstance (const lldb::ScriptInterpre
bool
ScriptInterpreterPython::LoadScriptingModule (const char* pathname,
bool can_reload,
bool init_lldb_globals,
lldb_private::Error& error)
{
if (!pathname || !pathname[0])
@@ -2404,14 +2406,16 @@ ScriptInterpreterPython::LoadScriptingModule (const char* pathname,
std::string basename(target_file.GetFilename().GetCString());
// Before executing Pyton code, lock the GIL.
Locker py_lock(this);
Locker py_lock (this,
Locker::AcquireLock | (init_lldb_globals ? Locker::InitSession : 0),
Locker::FreeAcquiredLock | (init_lldb_globals ? Locker::TearDownSession : 0));
// now make sure that Python has "directory" in the search path
StreamString command_stream;
command_stream.Printf("if not (sys.path.__contains__('%s')):\n sys.path.append('%s');\n\n",
directory,
directory);
bool syspath_retval = ExecuteMultipleLines(command_stream.GetData(), false);
bool syspath_retval = ExecuteMultipleLines(command_stream.GetData(), false, false);
if (!syspath_retval)
{
error.SetErrorString("Python sys.path handling failed");
@@ -2432,7 +2436,10 @@ ScriptInterpreterPython::LoadScriptingModule (const char* pathname,
// this call will fail if the module does not exist (because the parameter to it is not a string
// but an actual Python module object, which is non-existant if the module was not imported before)
bool was_imported = (ExecuteOneLineWithReturn(command_stream.GetData(),
ScriptInterpreterPython::eScriptReturnTypeInt, &refcount, false) && refcount > 0);
ScriptInterpreterPython::eScriptReturnTypeInt,
&refcount,
false,
false) && refcount > 0);
if (was_imported == true && can_reload == false)
{
error.SetErrorString("module already imported");
@@ -2442,7 +2449,7 @@ ScriptInterpreterPython::LoadScriptingModule (const char* pathname,
// now actually do the import
command_stream.Clear();
command_stream.Printf("import %s",basename.c_str());
bool import_retval = ExecuteOneLine(command_stream.GetData(), NULL, false);
bool import_retval = ExecuteOneLine(command_stream.GetData(), NULL, false, false);
if (!import_retval)
{
error.SetErrorString("Python import statement failed");