CTSRD-CHERI/cheribsd
Feb 2025 – May 2025
2 Months active
Languages Used
AssemblyCShell
Technical Skills
Embedded SystemsInstaller DevelopmentKernel DevelopmentRISC-V ArchitectureShell ScriptingSystem Programming
Jessica Clarke
PROFILE
Jessica Clarke
Worked on the CTSRD-CHERI/cheribsd repository, delivering features and fixes focused on low-level system reliability and maintainability. Improved the BSD installer’s UI by refining button labels and workflow to reduce user confusion, and enhanced kernel context integrity by hardening RISC-V trapframe handling across CHERI-enabled configurations. Led a series of thread-local storage (TLS) improvements in libc and rtld-elf, addressing correctness, symbol resolution, and cross-architecture support for PowerPC and RISC-V. Utilized C, Assembly, and Shell scripting to refactor TLS infrastructure, introduce new data structures, and remove deprecated helpers, resulting in more robust dynamic linking and runtime stability across supported architectures.
Overall Statistics
Feature vs Bugs
60%Features
Repository Contributions
25Total
Bugs
2
Commits
25
Features
3
Lines of code
1,349
Activity Months2
Your Network
60 peopleSame Organization
@FreeBSD.org28
Adrian ChaddMember
Andrew TurnerMember
aokblastMember
Baptiste DaroussinMember
Brooks DavisMember
Bjoern A. ZeebMember
Christoph Moench-TegederMember
Colin PercivalMember
Dimitry AndricMember
Shared Repositories
32
Adrian ChaddMember
Alex RichardsonMember
Alfredo MazzinghiMember
Andrew TurnerMember
Baptiste DaroussinMember
Brian CampbellMember
Brooks DavisMember
Brooks DavisMember
Bjoern A. ZeebMember
Work History
May 2025
23 Commits • 2 Features
May 1, 2025May 2025 monthly summary for CTSRD-CHERI/cheribsd: Focused TLS improvements across libc, rtld-elf, and dynamic TLS infrastructure to improve correctness, reliability, and cross-architecture support. Delivered a series of TLS fixes and refactors, addressed UB and symbol resolution in TLS for PowerPC and RISC-V, and introduced foundational data structures to improve TLS allocation and initialization across rtld-elf and libc/riscv. These changes reduce runtime TLS-related crashes, improve dynamic loading stability, and establish a scalable path for future TLS enhancements. Technologies demonstrated include C-level TLS internals, architecture-specific linker/runtime fixes, and systematic refactoring for maintainability.
23 Commits • 2 Features
May 1, 2025May 2025 monthly summary for CTSRD-CHERI/cheribsd: Focused TLS improvements across libc, rtld-elf, and dynamic TLS infrastructure to improve correctness, reliability, and cross-architecture support. Delivered a series of TLS fixes and refactors, addressed UB and symbol resolution in TLS for PowerPC and RISC-V, and introduced foundational data structures to improve TLS allocation and initialization across rtld-elf and libc/riscv. These changes reduce runtime TLS-related crashes, improve dynamic loading stability, and establish a scalable path for future TLS enhancements. Technologies demonstrated include C-level TLS internals, architecture-specific linker/runtime fixes, and systematic refactoring for maintainability.
May 2025
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for CTSRD-CHERI/cheribsd focusing on UI/UX improvements in the BSD installer and resilience of RISC-V trapframe handling across CHERI-enabled configurations. The work reduces user confusion during installation and strengthens kernel context integrity, contributing to product reliability and customer satisfaction.
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025 monthly summary for CTSRD-CHERI/cheribsd focusing on UI/UX improvements in the BSD installer and resilience of RISC-V trapframe handling across CHERI-enabled configurations. The work reduces user confusion during installation and strengthens kernel context integrity, contributing to product reliability and customer satisfaction.
Activity
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Quality Metrics
Correctness97.6%
Maintainability95.2%
Architecture95.2%
Performance88.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
AssemblyCShell
Technical Skills
AssemblyCC library developmentC programmingCHERI ArchitectureCompiler DevelopmentCompiler internalsCompiler/Linker internalsConcurrencyDebuggingDynamic LinkerDynamic linkingELF HandlingELF Object LoadingELF parsing
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