gh-128472: Add -skip-funcs to BOLT options to fix computed goto errors#128511
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corona10 merged 2 commits intopython:mainfrom Jan 7, 2025
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gh-128472: Add -skip-funcs to BOLT options to fix computed goto errors#128511corona10 merged 2 commits intopython:mainfrom
-skip-funcs to BOLT options to fix computed goto errors#128511corona10 merged 2 commits intopython:mainfrom
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Co-authored-by: Gregory Szorc <gregory.szorc@gmail.com>
zanieb
commented
Jan 5, 2025
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cc @aaupov You may be interested in this issue as the CPython use-case.. :) |
corona10
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Jan 5, 2025
| dnl At least LLVM 19.x doesn't support computed gotos in PIC compiled code. | ||
| dnl Exclude functions containing computed gotos. | ||
| dnl TODO this may be fixed in LLVM 20.x via https://github.com/llvm/llvm-project/pull/120267. | ||
| [-skip-funcs=_PyEval_EvalFrameDefault,sre_ucs1_match/1,sre_ucs2_match/1,sre_ucs4_match/1] |
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Now we have reasons to add CI to maintain this list actively.
corona10
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Jan 7, 2025
zanieb
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needs backport to 3.12
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…to errors (pythongh-128511) * Add `-skip-funcs` to BOLT options to fix computed goto errors Co-authored-by: Gregory Szorc <gregory.szorc@gmail.com> * NEWS --------- (cherry picked from commit 24b147a) Co-authored-by: Zanie Blue <contact@zanie.dev> Co-authored-by: Gregory Szorc <gregory.szorc@gmail.com>
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…to errors (pythongh-128511) * Add `-skip-funcs` to BOLT options to fix computed goto errors Co-authored-by: Gregory Szorc <gregory.szorc@gmail.com> * NEWS --------- (cherry picked from commit 24b147a) Co-authored-by: Zanie Blue <contact@zanie.dev> Co-authored-by: Gregory Szorc <gregory.szorc@gmail.com>
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GH-128572 is a backport of this pull request to the 3.12 branch. |
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GH-128573 is a backport of this pull request to the 3.13 branch. |
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…oto errors (gh-128511) (gh-128572) gh-128472: Add `-skip-funcs` to BOLT options to fix computed goto errors (gh-128511) * Add `-skip-funcs` to BOLT options to fix computed goto errors * NEWS --------- (cherry picked from commit 24b147a) Co-authored-by: Zanie Blue <contact@zanie.dev> Co-authored-by: Gregory Szorc <gregory.szorc@gmail.com>
corona10
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Jan 7, 2025
…oto errors (gh-128511) (#128573) gh-128472: Add `-skip-funcs` to BOLT options to fix computed goto errors (gh-128511) * Add `-skip-funcs` to BOLT options to fix computed goto errors * NEWS --------- (cherry picked from commit 24b147a) Co-authored-by: Zanie Blue <contact@zanie.dev> Co-authored-by: Gregory Szorc <gregory.szorc@gmail.com>
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Jan 8, 2025
…to errors (pythongh-128511) * Add `-skip-funcs` to BOLT options to fix computed goto errors Co-authored-by: Gregory Szorc <gregory.szorc@gmail.com> * NEWS --------- Co-authored-by: Gregory Szorc <gregory.szorc@gmail.com>
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This patch was originally authored as part of astral-sh/python-build-standalone#463
Makes use of the common options added in #128455
Closes #128472
Backport needed for #124948
--enabled-sharedon LLVM 19 with "unable to get new address" #128472