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GH-126910: reserve FP on AArch64 when generating JIT stencils (GH-146520)

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Diego Russo 2026-03-27 17:51:51 +00:00 • committed by GitHub
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commit 6763d26b2b
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Misc/NEWS.d/next/Core_and_Builtins/2026-03-27-17-14-18.gh-issue-126910.hooVFQ.rst Normal file
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@ -0,0 +1 @@
Set frame pointers in ``aarch64-unknown-linux-gnu`` JIT code, allowing most native profilers and debuggers to unwind through them. Patch by Diego Russo

4
Tools/jit/_targets.py
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@ -593,7 +593,9 @@ def get_target(host: str) -> _COFF32 | _COFF64 | _ELF | _MachO:
# -mno-outline-atomics: Keep intrinsics from being emitted.
args = ["-fpic", "-mno-outline-atomics", "-fno-plt"]
optimizer = _optimizers.OptimizerAArch64
target = _ELF(host, condition, args=args, optimizer=optimizer)
target = _ELF(
host, condition, args=args, optimizer=optimizer, frame_pointers=True
)
elif re.fullmatch(r"i686-pc-windows-msvc", host):
host = "i686-pc-windows-msvc"
condition = "defined(_M_IX86)"