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GH-126910: add test for manual frame unwinding #144137

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Merged
pablogsal merged 5 commits into from
Jan 27, 2026
+539 −2
Merged

GH-126910: add test for manual frame unwinding #144137

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769400b
GH-126910: add test for manual frame unwinding
diegorusso Jan 16, 2026
5d53a15
Fix test when the JIT is enabled only with the interpreter
diegorusso Jan 25, 2026
c179848
Fix test for raspian, macOS x86_64 and wasi
diegorusso Jan 16, 2026
815f1d2
Disable test for free-threading. Address feedback.
diegorusso Jan 26, 2026
6198d88
Address Pablo's feedback
diegorusso Jan 30, 2026
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Disable test for free-threading. Address feedback.
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@diegorusso
diegorusso committed Jan 26, 2026
commit 815f1d26454c8e4cea36070acbd12a34d5a523cf
3 changes: 1 addition & 2 deletions Lib/test/test_frame_pointer_unwind.py
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Original file line number Diff line number Diff line change
Expand Up @@ -98,7 +98,6 @@ def _annotate_unwind():
jit_enabled = hasattr(sys, "_jit") and sys._jit.is_enabled()
jit_backend = _testinternalcapi.get_jit_backend()
ranges = _testinternalcapi.get_jit_code_ranges() if jit_enabled else []
jit_code_ranges = len(ranges)
if jit_enabled and ranges:
print("JIT ranges:")
for start, end in ranges:
Expand All @@ -113,7 +112,6 @@ def _annotate_unwind():
"python_frames": python_frames,
"jit_frames": jit_frames,
"other_frames": other_frames,
"jit_code_ranges": jit_code_ranges,
"jit_backend": jit_backend,
})

Expand Down Expand Up @@ -149,6 +147,7 @@ def _manual_unwind_length(**env):
) from exc


@support.requires_gil_enabled("test requires the GIL enabled")
@unittest.skipIf(support.is_wasi, "test not supported on WASI")
class FramePointerUnwindTests(unittest.TestCase):

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2 changes: 1 addition & 1 deletion Modules/_testinternalcapi.c
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Expand Up @@ -367,7 +367,7 @@ manual_unwind_from_fp(uintptr_t *frame_pointer)
Py_DECREF(addr_obj);

uintptr_t *next_fp = (uintptr_t *)frame_pointer[0];
// Stop if the the frame pointer is extremely low.
// Stop if the frame pointer is extremely low.
if ((uintptr_t)next_fp < 0x1000) {
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break;
}
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