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Cherry-pick Preserve guest XSAVE state across userland transitions (#1537) to ulitebox - #1567
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Weiteng Chen (CvvT) merged 4 commits intoOct 12, 2026
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This PR adds support for preserving guest x87, SSE, and supported extended state across Linux syscalls, exceptions, signals, interrupts, and thread re-entry. Also refactored the structure of `litebox_platform_linux_userland` to have a x86_64 module and added `litebox_common` crate to share code across different shims and platforms. --------- Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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🤖 SemverChecks 🤖 No breaking API changes detected Note: this does not mean API is unchanged, or even that there are no breaking changes; simply, none of the detections triggered. |
Weiteng Chen (CvvT)
marked this pull request as ready for review
October 12, 2026 19:47
Weiteng Chen (CvvT)
deleted the
cherry-pick/d11328a-preserve-guest-xsave-state
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October 12, 2026 20:06
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Cherry-picks d11328a from main to ulitebox.
This PR also cleans up the code in
litebox_platform_linux_userlandto move arch-dependent to their corresponding modules.Also fix fork to support fp state for x86_64.