OCaml GC Debugging

关于

This skill provides a systematic framework for troubleshooting the complex OCaml multicore runtime and its shared heap implementation. It guides developers through the multi-stage OCaml bootstrap process, offering specialized diagnostic workflows for analyzing segmentation faults, interpreting memory headers, and verifying pointer arithmetic in low-level C code. By focusing on critical areas like pool sweeping and run-length compression, the skill ensures that fixes are both robust and verified through rigorous testing strategies including GDB analysis and memory sanitization.

主要功能

• Pointer arithmetic analysis for memory sweeping and allocator implementations
• Systematic diagnostic workflows for OCaml bootstrap stages and runtime crashes
• Comprehensive verification strategies using GDB, Valgrind, and memory sanitizers
• Identification of common pitfalls in run-length encoding and size-count inconsistencies
• 16 GitHub stars
• Deep-dive guidance on memory data structures including block headers and pool layouts

使用场景

• Fixing pointer arithmetic bugs introduced by performance optimizations or header manipulations
• Debugging memory corruption in shared heap implementations and pool management
• Resolving segmentation faults during the OCaml compiler bootstrap process