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* [3.13] gh-136541: Fix several problems of perf trampolines in x86_64 and ↵Pablo Galindo Salgado2025-07-111-5/+11
| | | | | | | | | | | aarch64 (GH-136500) (#136545) This commit fixes the following problems: * The x86_64 trampolines are not preserving frame pointers * The hardcoded offsets to the code segment from the FDE only worked properly for x64_64 * The CIE data was not following conventions of aarch64 * The eh_frame for aarch64 was not fully correct (cherry picked from commit 236f733d8ffb3d587e1167fa0a0248c24512e7fd)
* gh-118518: Allow perf to work without frame pointers (#112254)Pablo Galindo Salgado2024-05-051-5/+47
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* gh-113343: Fix error check on mmap(2) (#113342)Namhyung Kim2023-12-211-1/+1
| | | | | | | | | | | | Fix error check on mmap(2) It should check MAP_FAILED instead of NULL for error. On mmap(2) man page: RETURN VALUE On success, mmap() returns a pointer to the mapped area. On error, the value MAP_FAILED (that is, (void *) -1) is returned, and errno is set to indicate the error.
* gh-112367: Only free perf trampoline arenas at shutdown (#112368)Pablo Galindo Salgado2023-12-011-5/+35
| | | Signed-off-by: Pablo Galindo <pablogsal@gmail.com>
* gh-108082: Use PyErr_FormatUnraisable() (GH-111580)Serhiy Storchaka2023-11-021-8/+4
| | | | | | Replace most of calls of _PyErr_WriteUnraisableMsg() and some calls of PyErr_WriteUnraisable(NULL) with PyErr_FormatUnraisable(). Co-authored-by: Victor Stinner <vstinner@python.org>
* gh-109587: Allow "precompiled" perf-trampolines to largely mitigate the cost ↵gsallam2023-10-271-6/+44
| | | | of enabling perf-trampolines (#109666)
* gh-108765: Cleanup #include in Python/*.c files (#108977)Victor Stinner2023-09-061-1/+1
| | | Mention one symbol imported by each #include.
* gh-106320: Remove private _PyErr_WriteUnraisableMsg() (#108863)Victor Stinner2023-09-041-0/+1
| | | | | | Move the private _PyErr_WriteUnraisableMsg() functions to the internal C API (pycore_pyerrors.h). Move write_unraisable_exc() from _testcapi to _testinternalcapi.
* gh-108765: Python.h no longer includes <unistd.h> (#108783)Victor Stinner2023-09-021-2/+2
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* GH-100987: Allow objects other than code objects as the "executable" of an ↵Mark Shannon2023-06-141-1/+1
| | | | | | | | | | internal frame. (GH-105727) * Add table describing possible executable classes for out-of-process debuggers. * Remove shim code object creation code as it is no longer needed. * Make lltrace a bit more robust w.r.t. non-standard frames.
* gh-103295: expose API for writing perf map files (#103546)gsallam2023-05-211-68/+16
| | | | | Co-authored-by: Aniket Panse <aniketpanse@fb.com> Co-authored-by: Gregory P. Smith <greg@krypto.org> Co-authored-by: Carl Meyer <carl@oddbird.net>
* gh-103650: Fix perf maps address format (#103651)Arthur Pastel2023-05-071-1/+1
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* gh-81057: Move Ceval Trampoline Globals to _PyRuntimeState (gh-100083)Eric Snow2022-12-091-30/+14
| | | https://github.com/python/cpython/issues/81057
* gh-96143: Move the perf trampoline files to the Python directory (#98675)Pablo Galindo Salgado2022-10-251-0/+531
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