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Development Guide

Prerequisites

  • Rust 1.88.0 (enforced via rust-toolchain.toml)
  • LLVM 18 (including Polly library: libpolly-18-dev)
  • Linux kernel 4.4+

Build

cargo build

Testing

Integration Tests and Unit Tests

sudo cargo test

Testing DWARF Parsing with dwarf-tool

GhostScope provides a standalone dwarf-tool for testing and debugging DWARF parsing:

cargo build -p dwarf-tool

Debug Output Files

# Enable saving intermediate files
cargo run -- --save-llvm-ir --save-ebpf --save-ast

# Files saved as: gs_{pid}_{exec}_{func}_{index}.{ext}
ls gs_*.ll    # LLVM IR files
ls gs_*.ebpf  # eBPF bytecode
ls gs_*.ast   # AST dumps

Code Style

Rust Guidelines

  • Follow standard Rust naming conventions
  • Use cargo fmt before committing
  • Run cargo clippy for linting