Stefan =?utf-8?q?Gränitz?= <[email protected]>, Stefan =?utf-8?q?Gränitz?= <[email protected]>, Stefan =?utf-8?q?Gränitz?= <[email protected]>, Stefan =?utf-8?q?Gränitz?= <[email protected]>, Stefan =?utf-8?q?Gränitz?= <[email protected]>, Stefan =?utf-8?q?Gränitz?= <[email protected]>, Stefan =?utf-8?q?Gränitz?= <[email protected]> Message-ID: In-Reply-To: <llvm.org/llvm/llvm-project/pull/[email protected]>
================ @@ -0,0 +1,501 @@ +//===- tools/plugins-shlib/pypass.cpp -------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "llvm/ADT/ScopeExit.h" +#include "llvm/Passes/PassBuilder.h" +#include "llvm/Passes/PassPlugin.h" +#include "llvm/Support/DynamicLibrary.h" +#include "llvm/Support/raw_ostream.h" + +#include <algorithm> +#include <cstdlib> +#include <filesystem> +#include <memory> +#include <optional> +#include <string> + +using namespace llvm; + +static cl::opt<std::string> + DylibPath("pypass-dylib", cl::desc("Path to the Python shared library"), + cl::init("")); + +static cl::opt<std::string> + ScriptPath("pypass-script", cl::desc("Path to the Python script to run"), + cl::init("")); + +static std::string findPython() { + if (!DylibPath.empty()) + return DylibPath; + if (const char *Path = std::getenv("LLVM_PYPASS_DYLIB")) + return std::string(Path); + // TODO: Run Python from PATH and use a script to query the shared lib + return std::string{}; +} + +static std::string findScript() { + if (!ScriptPath.empty()) + return ScriptPath; + if (const char *Path = std::getenv("LLVM_PYPASS_SCRIPT")) + return std::string(Path); + return std::string{}; +} + +struct PythonAPI { + using Py_InitializeEx_t = void(int); + using Py_FinalizeEx_t = int(); + using Py_DecRef_t = void(void *); + using Py_IncRef_t = void(void *); + using PyDict_GetItemString_t = void *(void *, const char *); + using PyDict_New_t = void *(); + using PyDict_SetItemString_t = int(void *, const char *, void *); + using PyErr_Print_t = void(); + using PyGILStateEnsure_t = int(); + using PyGILStateRelease_t = void(int); + using PyImport_AddModule_t = void *(const char *); + using PyImport_ImportModule_t = void *(const char *); + using PyLong_FromVoidPtr_t = void *(void *); + using PyUnicode_FromString_t = void *(const char *); + using PyModule_GetDict_t = void *(void *); + using PyObject_CallObject_t = void *(void *, void *); + using PyObject_GetAttrString_t = void *(void *, const char *); + using PyObject_IsTrue_t = int(void *); + using PyTuple_SetItem_t = int(void *, long, void *); + using PyTuple_New_t = void *(long); + using PyTypeObject_t = void *; + + // pylifecycle.h + Py_InitializeEx_t *Py_InitializeEx; + Py_FinalizeEx_t *Py_FinalizeEx; + + // pystate.h + PyGILStateEnsure_t *PyGILState_Ensure; + PyGILStateRelease_t *PyGILState_Release; + + // pythonrun.h + PyErr_Print_t *PyErr_Print; + + // import.h + PyImport_AddModule_t *PyImport_AddModule; + PyImport_ImportModule_t *PyImport_ImportModule; + + // object.h + PyObject_IsTrue_t *PyObject_IsTrue; + PyObject_GetAttrString_t *PyObject_GetAttrString; + Py_IncRef_t *Py_IncRef; + Py_DecRef_t *Py_DecRef; + + // moduleobject.h + PyModule_GetDict_t *PyModule_GetDict; + + // dictobject.h + PyDict_GetItemString_t *PyDict_GetItemString; + PyDict_SetItemString_t *PyDict_SetItemString; + PyDict_New_t *PyDict_New; + + // abstract.h + PyObject_CallObject_t *PyObject_CallObject; + + // longobject.h + PyLong_FromVoidPtr_t *PyLong_FromVoidPtr; + + // unicodeobject.h + PyUnicode_FromString_t *PyUnicode_FromString; + + // tupleobject.h + PyTuple_SetItem_t *PyTuple_SetItem; + PyTuple_New_t *PyTuple_New; + + void *PyGlobals; + void *PyBuiltins; + +private: + PythonAPI() : Valid(false) { + if (!loadDylib(findPython())) + return; + if (!resolveSymbols()) + return; + Py_InitializeEx(0); + PyBuiltins = PyImport_ImportModule("builtins"); + PyGlobals = PyModule_GetDict(PyImport_AddModule("__main__")); ---------------- serge-sans-paille wrote: The object returned by `PyImport_AddModule` returns a new reference and you're leaking it. https://github.com/llvm/llvm-project/pull/171111 _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
