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GeezerVison is showing github.com — JIT arm64 relocations does not handles large addresses · Issue #147805 · python/cpython

JIT arm64 relocations does not handles large addresses #147805

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JIT arm64 relocations does not handles large addresses#147805
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interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)performancePerformance or resource usagePerformance or resource usagetopic-JITtype-featureA feature request or enhancementA feature request or enhancement

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@kumaraditya303
kumaraditya303
opened on Mar 31, 2026
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In #146906, the JIT inlines the address of the function pointer in operand0 however the arm64 relocation does not properly handles large addresses which needs a trampoline.
I think the fix is to generate trampoline for such cases if the address is too large.

Claude suggested the following fix which seems to work: https://gist.github.com/kumaraditya303/45ca837aa1367e65a3bfadca9fae039e

cc @markshannon

Linked PRs

  • gh-147805: handles large addresses in arm64 relocations #147941

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  1. kumaraditya303
    added
    topic-JIT
    performancePerformance or resource usagePerformance or resource usage
    on Mar 31, 2026
  2. StanFromIreland
    added
    type-featureA feature request or enhancementA feature request or enhancement
    interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)
    on Mar 31, 2026
  3. kumaraditya303
    closed this as completedon Nov 9, 2026
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