https://github.com/python/cpython/commit/299cf3c4974262c63694195e605a66856c5a329a commit: 299cf3c4974262c63694195e605a66856c5a329a branch: main author: Diego Russo <[email protected]> committer: hugovk <[email protected]> date: 2026-05-07T16:05:29+03:00 summary:
gh-126910: Update 3.15 what's new to include GDB/backtrace integration (#149494) Update 3.15 what's new to include GDB/backtrace intergration files: M Doc/whatsnew/3.15.rst diff --git a/Doc/whatsnew/3.15.rst b/Doc/whatsnew/3.15.rst index 50ce22c4e91f19..9e2f789334ff02 100644 --- a/Doc/whatsnew/3.15.rst +++ b/Doc/whatsnew/3.15.rst @@ -1903,6 +1903,7 @@ The major upgrades to the JIT are: * New tracing frontend * Basic register allocation in the JIT * More JIT optimizations +* GDB and GNU ``backtrace()`` unwinding support * Better machine code generation .. rubric:: LLVM 21 build-time dependency @@ -1954,6 +1955,17 @@ reference count updates and perform in-place operations on ints and floats. The JIT optimizer now supports significantly more operations than in 3.14. (Contributed by Kumar Aditya, Ken Jin, Jiahao Li, and Sacul in :gh:`131798`.) +.. rubric:: GDB and GNU ``backtrace()`` unwinding support + +The JIT compiler now publishes unwind information for generated machine code to the +GDB interface on supported Linux ELF platforms. When libgcc frame +registration is available, the same unwind information is also registered for +GNU ``backtrace()`` stack walkers. This allows native debuggers, crash +handlers, and diagnostic tools using these mechanisms to unwind through JIT +frames instead of stopping at generated code. +(Contributed by Diego Russo and Pablo Galindo Salgado in :gh:`146071` and +:gh:`149104`.) + .. rubric:: Better machine code generation The JIT compiler's machine code generator now produces better machine code _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3//lists/python-checkins.python.org Member address: [email protected]
