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Title: GH-126910: add test for manual frame unwinding by diegorusso · Pull Request #144137 · python/cpython · GitHub

Open Graph Title: GH-126910: add test for manual frame unwinding by diegorusso · Pull Request #144137 · python/cpython

X Title: GH-126910: add test for manual frame unwinding by diegorusso · Pull Request #144137 · python/cpython

Description: Add a test that unwinds the stack using frame pointers. We test on any platform that frame pointers are enable (the others will be skipped). It tests with and without the JIT. Output with PYTHON_JIT=0 #00 0xbcb53b0332f0 -> python #01 0xbcb53b1c42b8 -> python #02 0xbcb53b1ce4b8 -> python #03 0xbcb53b1d758c -> python #04 0xbcb53b0332f0 -> python #05 0xbcb53b1c4774 -> python #06 0xbcb53b1cfaec -> python ... #68 0xbe2cbdec495c -> python #69 0xeaad695b259c -> other #70 0x60eaad695b267c -> other #71 0x6be2cbdbc63f0 -> other {"length": 53, "python_frames": 50, "jit_frames": 0, "other_frames": 3, "jit_code_ranges": 0, "jit_backend": "jit"} Output with PYTHON_JIT=1 JIT ranges: 0xeaad6985c000-0xeaad6985e000 #00 0xbe2cbdc332f0 -> python #01 0xbe2cbddc42b8 -> python #02 0xbe2cbddce4b8 -> python #03 0xbe2cbddd758c -> python #04 0xbe2cbdc332f0 -> python #05 0xbe2cbddc4774 -> python #06 0xeaad6985c898 -> jit ... #61 0xeaad6985b050 -> jit #62 0xbe2cbddd42a4 -> python #63 0xbe2cbddd72d4 -> python #64 0xbe2cbde90d3c -> python #65 0xbe2cbde910d0 -> python #66 0xbe2cbde93490 -> python #67 0xbe2cbdec3d30 -> python #68 0xbe2cbdec495c -> python #69 0xeaad695b259c -> other #70 0x60eaad695b267c -> other #71 0x6be2cbdbc63f0 -> other {"length": 72, "python_frames": 49, "jit_frames": 20, "other_frames": 3, "jit_code_ranges": 1, "jit_backend": "jit"} The core of the test has been taken from @pablogsal repository https://github.com/pablogsal/cpython-unwind Issue: gh-126910

Open Graph Description: Add a test that unwinds the stack using frame pointers. We test on any platform that frame pointers are enable (the others will be skipped). It tests with and without the JIT. Output with PYTHON_JI...

X Description: Add a test that unwinds the stack using frame pointers. We test on any platform that frame pointers are enable (the others will be skipped). It tests with and without the JIT. Output with PYTHON_JI...

Opengraph URL: https://github.com/python/cpython/pull/144137

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769400b GH-126910: add test for manual frame unwinding diegorusso Jan 16, 2026 https://github.com/python/cpython/pull/144137/commits/769400b55ce3f7cd8bd732f08faf9ec9b4dbc4d9
5d53a15 Fix test when the JIT is enabled only with the interpreter diegorusso Jan 25, 2026 https://github.com/python/cpython/pull/144137/commits/5d53a15795ebef0801e909cd36b4e9cac0d90bc4
c179848 Fix test for raspian, macOS x86_64 and wasi diegorusso Jan 16, 2026 https://github.com/python/cpython/pull/144137/commits/c17984899902ec2ca750aacd122e50d652ada269
815f1d2 Disable test for free-threading. Address feedback. diegorusso Jan 26, 2026 https://github.com/python/cpython/pull/144137/commits/815f1d26454c8e4cea36070acbd12a34d5a523cf
6198d88 Address Pablo's feedback diegorusso Jan 30, 2026 https://github.com/python/cpython/pull/144137/commits/6198d888a7a05e7debee449ddfe6a8ee2be82830
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