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Pablo Galindo Salgado 1822f33b1a
[3.14] gh-91048: Refactor and optimize remote debugging module (#134652) (#134673) 
gh-91048: Refactor and optimize remote debugging module (#134652)

Completely refactor Modules/_remote_debugging_module.c with improved
code organization, replacing scattered reference counting and error
handling with centralized goto error paths. This cleanup improves
maintainability and reduces code duplication throughout the module while
preserving the same external API.

Implement memory page caching optimization in Python/remote_debug.h to
avoid repeated reads of the same memory regions during debugging
operations. The cache stores previously read memory pages and reuses
them for subsequent reads, significantly reducing system calls and
improving performance.

Add code object caching mechanism with a new code_object_generation
field in the interpreter state that tracks when code object caches need
invalidation. This allows efficient reuse of parsed code object metadata
and eliminates redundant processing of the same code objects across
debugging sessions.

Optimize memory operations by replacing multiple individual structure
copies with single bulk reads for the same data structures. This reduces
the number of memory operations and system calls required to gather
debugging information from the target process.

Update Makefile.pre.in to include Python/remote_debug.h in the headers
list, ensuring that changes to the remote debugging header force proper
recompilation of dependent modules and maintain build consistency across
the codebase.

Also, make the module compatible with the free threading build as an extra :)

Co-authored-by: Łukasz Langa <lukasz@langa.pl>

(cherry picked from commit 42b25ad4d3)
2025-05-25 22:10:20 +00:00
..
_ctypes gh-61103: drop unused Py_HAVE_C_COMPLEX define (GH-133435) 2025-05-05 15:50:57 +02:00
_decimal gh-53032: support IEEE 754 contexts in the decimal module (#122003) 2025-04-28 15:05:56 +02:00
_hacl [3.14] gh-134069: bump HACL* revision to incoporate memset_s (GH-134027) (#134084) 2025-05-16 10:49:08 +00:00
_io [3.14] gh-131505: Move len boundary assertions before using len. (GH-131536) (GH-134239) 2025-05-20 09:57:39 +00:00
_multiprocessing gh-131525: Cache the result of tuple_hash (#131529) 2025-03-27 09:57:06 -04:00
_sqlite gh-131525: Cache the result of tuple_hash (#131529) 2025-03-27 09:57:06 -04:00
_sre GH-131296: Disable MSVC-specific optimization in sre.c when compiling with clang-cl (GH-131593) 2025-04-01 17:29:45 +01:00
_ssl gh-131423: Update to OpenSSL 3.0.16. (GH-131839) 2025-03-28 15:07:57 +00:00
_testcapi gh-133140: Add PyUnstable_Object_IsUniquelyReferenced for free-threading (#133144) 2025-05-05 21:01:20 +02:00
_testinternalcapi gh-128813: hide mixed-mode functions for complex arithmetic from C-API (#131703) 2025-04-22 14:18:18 +02:00
_testlimitedcapi gh-111178: Fix function signatures for test_capi (#131659) 2025-03-24 14:04:45 +00:00
_xxtestfuzz gh-111178: remove redundant casts for functions with correct signatures (#131673) 2025-04-01 17:18:11 +02:00
_zstd [3.14] gh-132983: Make _zstd C code PEP 7 compliant (GH-134605) (#134609) 2025-05-24 02:28:40 +00:00
cjkcodecs gh-111178: remove redundant casts for functions with correct signatures (#131673) 2025-04-01 17:18:11 +02:00
clinic [3.14] gh-91048: Refactor and optimize remote debugging module (#134652) (#134673) 2025-05-25 22:10:20 +00:00
expat gh-131809: Upgrade vendored expat to 2.7.1 (#132192) 2025-04-07 23:42:00 +03:00
_abc.c gh-111178: fix UBSan failures in Modules/_abc.c (GH-128253) 2025-01-07 12:45:29 +01:00
_asynciomodule.c gh-91048: Prevent optimizing away the asyncio debug offsets structure on Windows (#132963) 2025-04-25 17:43:32 +00:00
_bisectmodule.c gh-126035: add missing whitespace to *Py_EnterRecursiveCall() messages (#126036) 2024-10-27 22:55:48 +01:00
_bz2module.c gh-111178: fix UBSan failures in Modules/_bz2module.c (GH-128238) 2025-01-10 11:47:19 +01:00
_codecsmodule.c GH-131238: Core header refactor (GH-131250) 2025-03-17 09:19:04 +00:00
_collectionsmodule.c gh-111178: Change Argument Clinic signature for METH_O (#130682) 2025-03-11 16:33:36 +01:00
_csv.c gh-129409: Fix Integer overflow - SEGV while writing data more than 2GB in CSV file (#129413) 2025-01-29 11:15:47 +00:00
_curses_panel.c gh-111178: fix UBSan failures in Modules/curses*.c (GH-128244) 2025-01-03 15:12:40 +01:00
_cursesmodule.c [3.14] gh-134209: use heap-allocated memory in _curses.window.{instr,getstr} (GH-134283) (#134391) 2025-05-20 14:01:45 -07:00
_datetimemodule.c gh-70647: Raise a more informative error for when date is out of range (GH-131335) 2025-03-20 20:47:09 -07:00
_dbmmodule.c gh-111178: fix UBSan failures in Modules/_dbmmodule.c (#129775) 2025-02-10 11:02:47 +01:00
_elementtree.c [3.14] gh-133009: fix UAF in xml.etree.ElementTree.Element.__deepcopy__ (GH-133010) (#133805) 2025-05-10 07:58:10 +00:00
_functoolsmodule.c [3.14] gh-132641: fix race in lru_cache under free-threading (GH-133787) (#133979) 2025-05-14 07:11:38 +00:00
_gdbmmodule.c gh-111178: fix UBSan failures for gdbmobject (GH-128178) 2025-01-10 11:52:36 +01:00
_hashopenssl.c gh-132987: Support __index__() in hashlib.scrypt() (GH-133100) 2025-04-29 16:16:05 +03:00
_heapqmodule.c gh-110067: Make max heap methods public and add missing ones (GH-130725) 2025-05-05 17:52:49 +02:00
_interpchannelsmodule.c [3.14] gh-132775: Fix Recently Introduced Warnings (gh-134532) 2025-05-22 17:49:05 +00:00
_interpqueuesmodule.c [3.14] gh-132775: Fix Recently Introduced Warnings (gh-134532) 2025-05-22 17:49:05 +00:00
_interpreters_common.h [3.14] gh-132775: Use _PyObject_GetXIData (With Fallback) (gh-134507) 2025-05-22 07:21:05 -06:00
_interpretersmodule.c [3.14] gh-134557: Revert "[3.14] gh-132775: Use _PyCode GetScriptXIData()" (gh-134600) 2025-05-23 20:11:38 +00:00
_json.c gh-112068: C API: Add support of nullable arguments in PyArg_Parse (GH-121303) 2025-04-08 22:08:00 +03:00
_localemodule.c [3.14] gh-133740: Fix locale.nl_langinfo(ALT_DIGITS) (GH-134468) (#134512) 2025-05-22 14:31:26 +00:00
_lsprof.c gh-132250: Clear error in lsprof callback when method descriptor raises an excep… (#132251) 2025-04-08 13:36:47 -04:00
_lzmamodule.c [3.14] gh-133583: Add support for fixed size unsigned integers in argument parsing (GH-133584) (GH-133650) 2025-05-08 09:54:44 +00:00
_math.h gh-122681: remove m_atan2()/c_atan2() helpers (#122715) 2024-08-17 13:48:16 +05:30
_opcode.c gh-100239: replace BINARY_SUBSCR & family by BINARY_OP with oparg NB_SUBSCR (#129700) 2025-02-07 22:39:54 +00:00
_operator.c gh-131238: Add explicit includes to pycore headers (#131257) 2025-03-17 12:32:43 +01:00
_pickle.c gh-131238: Remove more includes from pycore_interp.h (#131480) 2025-03-19 23:01:32 +01:00
_posixsubprocess.c GH-115322: Add missing audit hooks (GH-115624) 2025-04-13 21:46:20 +00:00
_queuemodule.c gh-111178: Fix function signatures for test_os (#131227) 2025-03-14 13:53:06 +00:00
_randommodule.c gh-111178: fix UBSan failures in Modules/_randommodule.c (GH-129791) 2025-02-21 14:59:04 +00:00
_remote_debugging_module.c [3.14] gh-91048: Refactor and optimize remote debugging module (#134652) (#134673) 2025-05-25 22:10:20 +00:00
_scproxy.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_ssl.c gh-132987: Support __index__() in the ssl.SSLContext.options setter (GH-133098) 2025-04-29 16:28:47 +03:00
_ssl.h GH-103092: isolate _ssl (#104725) 2023-05-22 06:14:48 +05:30
_ssl_data_34.h gh-131423: Update OpenSSL data to 3.4.1 on Linux (#131618) 2025-04-25 10:26:58 +02:00
_ssl_data_111.h gh-131423: Update OpenSSL data to 3.4.1 on Linux (#131618) 2025-04-25 10:26:58 +02:00
_ssl_data_300.h gh-127330: Update for OpenSSL 3.4 & document+improve the update process (GH-127331) 2024-11-28 13:29:27 +01:00
_ssl_data_340.h gh-131423: Update OpenSSL data to 3.4.1 on Linux (#131618) 2025-04-25 10:26:58 +02:00
_stat.c gh-132987: Support __index__() in the stat module (GH-133097) 2025-04-29 19:25:44 +03:00
_statisticsmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_struct.c gh-61103: don't use C _Complex types to implement F/D/G in ctypes (GH-133237) 2025-05-05 11:23:30 +02:00
_suggestions.c gh-131936: Strengthen check in _suggestions._generate_suggestions (#131945) 2025-03-31 19:30:29 +02:00
_sysconfig.c gh-127405: Add ABIFLAGS to sysconfig variables on Windows (GH-131799) 2025-04-11 16:19:03 +01:00
_testbuffer.c gh-111178: fix UBSan failures for Modules/_testbuffer.c (#131612) 2025-03-24 10:46:25 +01:00
_testcapi_feature_macros.inc gh-91325: Skip Stable ABI checks with Py_TRACE_REFS special build (GH-92046) 2024-01-29 16:45:31 +01:00
_testcapimodule.c gh-111178: fix UBSan failures for Modules/_testcapimodule.c (#131614) 2025-03-24 10:14:22 +00:00
_testclinic.c gh-132753: Argument Clinic: Fix support of c_default for the bool converter (GH-132754) 2025-04-20 23:21:29 +00:00
_testclinic_limited.c gh-116322: Rename PyModule_ExperimentalSetGIL to PyUnstable_Module_SetGIL (GH-118645) 2024-05-06 18:59:36 +02:00
_testimportmultiple.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_testinternalcapi.c [3.14] gh-132775: Support Fallbacks in _PyObject_GetXIData() (gh-134418) 2025-05-21 14:47:56 +00:00
_testlimitedcapi.c gh-111495: Add PyFile tests (#129449) 2025-01-30 18:05:32 +01:00
_testmultiphase.c gh-111178: fix UBSan failures for Modules/_testmultiphase.c (#131615) 2025-03-24 10:59:30 +01:00
_testsinglephase.c gh-123880: Allow recursive import of single-phase-init modules (GH-123950) 2024-09-20 10:27:34 +02:00
_threadmodule.c [3.14] gh-134381: Fix RuntimeError when starting not-yet started Thread after fork (gh-134514) (gh-134596) 2025-05-23 19:49:13 +00:00
_tkinter.c GH-131238: Core header refactor (GH-131250) 2025-03-17 09:19:04 +00:00
_tracemalloc.c gh-128679: Redesign tracemalloc locking (#128888) 2025-01-15 20:22:44 +00:00
_typesmodule.c GH-118761: Expose more core interpreter types in `_types` (#132103) 2025-04-05 18:11:07 +00:00
_typingmodule.c gh-105499: Merge typing.Union and types.UnionType (#105511) 2025-03-04 11:44:19 -08:00
_uuidmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
_weakref.c gh-120974: Make _asyncio._leave_task atomic in the free-threaded build (#122139) 2024-07-23 17:06:03 +00:00
_winapi.c GH-131296: Fix incompatible pointer type warning in _winapi.c (GH-131600) 2025-03-31 17:33:55 +01:00
_zoneinfo.c gh-111178: remove redundant casts for functions with correct signatures (#131673) 2025-04-01 17:18:11 +02:00
addrinfo.h gh-114917: add support for AI_NUMERICSERV in getaddrinfo emulation (#114918) 2025-03-18 11:26:51 +01:00
arraymodule.c Revert "gh-133395: add option for extension modules to specialize BINARY_OP/SUBSCR, apply to arrays (#133396)" (#133498) 2025-05-06 13:12:26 +03:00
atexitmodule.c gh-111178: remove redundant casts for functions with correct signatures (#131673) 2025-04-01 17:18:11 +02:00
binascii.c gh-118314: Fix padding edge case in binascii.a2b_base64 strict mode (GH-118320) 2024-05-07 11:18:45 +02:00
blake2module.c gh-132993: expose HASHLIB_GIL_MINSIZE to private extension modules (#132999) 2025-04-27 22:20:15 +00:00
cmathmodule.c gh-120026: soft deprecate Py_HUGE_VAL macro (#120027) 2024-11-01 22:04:31 +00:00
config.c.in gh-128384: Use a context variable for warnings.catch_warnings (gh-130010) 2025-04-09 16:18:54 -07:00
errnomodule.c gh-126585: Add EHWPOISON error code (#126586) 2024-12-03 12:45:50 +00:00
faulthandler.c gh-127604: Fix refleak in faulthandler_dump_c_stack_py() (#132840) 2025-04-23 14:29:31 +00:00
fcntlmodule.c gh-133256: Add _Py_NONSTRING macro (#133257) 2025-05-01 17:55:49 +02:00
gc_weakref.txt Fix links to old SF bugs (#95648) 2022-08-04 18:12:35 +02:00
gcmodule.c gh-122943: Rework support of var-positional parameter in Argument Clinic (GH-122945) 2024-11-07 23:40:03 +02:00
getaddrinfo.c gh-114917: Fix typo in getaddrinfo emulation (#131413) 2025-03-18 14:31:13 +01:00
getbuildinfo.c gh-100388: Change undefined __DATE__ to the Unix epoch (#100389) 2025-03-03 14:59:46 +01:00
getnameinfo.c Replace K&R function declarations with ANSI declarations (#114818) 2025-03-11 13:06:36 +01:00
getpath.c GH-131296: Avoid invalid signed char comparison in getpath.c assertion (GH-131594) 2025-04-22 14:06:30 +01:00
getpath.py GH-128469: Revert "warn when libpython was loaded from outside the build directory (#128645)" (#129506) 2025-01-31 11:17:37 +00:00
getpath_noop.c bpo-45582: Port getpath[p].c to Python (GH-29041) 2021-12-03 00:08:42 +00:00
grpmodule.c gh-126316: Make grp.getgrall() thread-safe: add a mutex (#127055) 2024-11-21 15:47:24 +01:00
hashlib.h gh-111863: Rename Py_NOGIL to Py_GIL_DISABLED (#111864) 2023-11-20 15:52:00 +02:00
hmacmodule.c gh-133061: do not mention UINT32_MAX in HMAC user-facing messages (#133062) 2025-04-28 01:14:12 +02:00
itertoolsmodule.c gh-123471: Make concurrent iteration over itertools.repeat safe under free-threading (#131247) 2025-04-13 13:26:58 +05:30
ld_so_aix.in Issue #10656: Fix out-of-tree building on AIX 2016-11-20 07:56:37 +00:00
main.c [3.14] gh-127960 Fix the REPL to set the correct namespace by setting the correct __main__ module (gh-134275) (gh-134473) 2025-05-22 03:33:35 +02:00
makesetup gh-131298: eliminate HACL* static libraries for cryptographic modules (GH-132438) 2025-04-20 17:40:17 +00:00
makexp_aix bpo-42087: Remove support for AIX 5.3 and below (GH-22830) 2020-11-16 16:16:10 +01:00
mathmodule.c [3.14] gh-133904: Fix math.factorial documentation (GH-133907) (#133918) 2025-05-12 12:53:44 +00:00
md5module.c gh-132993: expose HASHLIB_GIL_MINSIZE to private extension modules (#132999) 2025-04-27 22:20:15 +00:00
mmapmodule.c gh-112068: C API: Add support of nullable arguments in PyArg_Parse (GH-121303) 2025-04-08 22:08:00 +03:00
overlapped.c GH-131296: Remove unused variable from overlapped.c (GH-131590) 2025-04-16 22:44:57 +01:00
posixmodule.c gh-131296: Avoid posixmodule.c warning (GH-133142) 2025-05-05 17:45:15 +01:00
posixmodule.h gh-85283: Convert grp extension to the limited C API (#116611) 2024-03-12 00:46:53 +00:00
pwdmodule.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
pyexpat.c gh-111178: Fix function signature in pyexpat.c (#131674) 2025-03-24 17:22:45 +00:00
readline.c GH-115322: Add missing audit hooks (GH-115624) 2025-04-13 21:46:20 +00:00
README Issue #18093: Factor out the programs that embed the runtime 2014-07-25 21:52:14 +10:00
resource.c gh-116322: Add Py_mod_gil module slot (#116882) 2024-05-03 11:30:55 -04:00
rotatingtree.c gh-116181: Remove Py_BUILD_CORE_BUILTIN and Py_BUILD_CORE_MODULE in rotatingtree.c (#121260) 2024-07-03 13:05:05 +05:30
rotatingtree.h bpo-32150: Expand tabs to spaces in C files. (#4583) 2017-11-28 17:56:10 +02:00
selectmodule.c gh-132987: Support __index__() in the select.kqueue_event constructor (GH-133094) 2025-04-29 13:55:14 +00:00
Setup GH-132983: Build `_zstd` on Windows (#133366) 2025-05-06 00:58:47 +01:00
Setup.bootstrap.in gh-109599: Expose CapsuleType via the _types module (#131969) 2025-04-04 23:37:41 +01:00
Setup.stdlib.in GH-132983: Build `_zstd` on Windows (#133366) 2025-05-06 00:58:47 +01:00
sha1module.c gh-132993: expose HASHLIB_GIL_MINSIZE to private extension modules (#132999) 2025-04-27 22:20:15 +00:00
sha2module.c gh-132993: expose HASHLIB_GIL_MINSIZE to private extension modules (#132999) 2025-04-27 22:20:15 +00:00
sha3module.c gh-132993: expose HASHLIB_GIL_MINSIZE to private extension modules (#132999) 2025-04-27 22:20:15 +00:00
signalmodule.c gh-131591: Check for remote debug in PyErr_CheckSignals (#132853) 2025-04-23 20:59:41 +01:00
socketmodule.c [3.14] gh-132886: use relaxed atomics for sock_fd in gil builds in socket module (GH-133208) (#133683) 2025-05-08 17:30:40 +00:00
socketmodule.h gh-132429: Fix support of Bluetooth sockets on NetBSD and DragonFly BSD (GH-132431) 2025-04-12 23:57:34 +03:00
symtablemodule.c gh-119933: Improve `SyntaxError` message for invalid type parameters expressions (#119976) 2024-06-17 06:51:03 -07:00
syslogmodule.c gh-130163: Fix crashes related to PySys_GetObject() (GH-130503) 2025-02-25 23:04:27 +02:00
termios.c gh-119770: Make termios ioctl() constants positive (#119840) 2024-05-31 17:18:40 +02:00
timemodule.c gh-130617 : fix time_clockid_converter on DragonFlyBSD (#130634) 2025-02-28 08:56:00 +01:00
tkappinit.c gh-103538: Remove unused TK_AQUA code (GH-103539) 2023-05-10 18:53:13 +00:00
tkinter.h gh-103532: Remove TKINTER_PROTECT_LOADTK code (GH-103535) 2023-04-14 09:04:16 -05:00
unicodedata.c gh-130790: Remove references about unicode's readiness from comments (#130801) 2025-03-03 19:18:09 +00:00
unicodedata_db.h closes gh-124016: update Unicode to 16.0.0 (#124017) 2024-09-13 07:47:04 -07:00
unicodename_db.h closes gh-124016: update Unicode to 16.0.0 (#124017) 2024-09-13 07:47:04 -07:00
winreparse.h bpo-31512: Add non-elevated symlink support for Windows (GH-3652) 2019-04-09 11:19:46 -07:00
xxlimited.c gh-111178: fix UBSan failures in Modules/xx*.c (GH-129797) 2025-02-25 13:02:32 +01:00
xxlimited_35.c gh-111178: Fix function signatures for multiple tests (#131496) 2025-03-20 12:27:03 +01:00
xxmodule.c gh-122040: reword Modules/xxmodule.c module-level comment (#132201) 2025-04-07 08:03:03 +00:00
xxsubtype.c gh-111178: fix UBSan failures in Modules/xx*.c (GH-129797) 2025-02-25 13:02:32 +01:00
zlibmodule.c gh-111178: Fix function signatures for multiple tests (#131496) 2025-03-20 12:27:03 +01:00

README 

Source files for standard library extension modules,
and former extension modules that are now builtin modules.