Addr2line enhance 4#4976
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lum1n0us merged 1 commit intoJul 16, 2026
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New test suite at test-tools/addr2line/tests/ exercising addr2line.py against purpose-built C/C++ sources covering the interval-table overlay contract and the tool's other behaviors: - Baseline single-function resolution - Inline expansion (always_inline, 4-level deep chain) - Cross-TU LTO inlining (multi-file recursion + wasm-opt -Oz -g, which exercises both LLVM outermost-name failure modes) - Trap inside loop body (DWARF line-table edge case) - Multi-frame call stack - C++ symbol demangling - AOT mode offset math - fast-interp / --no-addr fallbacks - offset=0 fallback (trap at function entry) - Empty input - Skip-guard invariant on build_subprogram_intervals (test_build_subprogram_intervals_filters_invalid_dies): rejects DW_AT_declaration=true DIEs, low_pc == 0 (wasm-opt DCE ghosts), and high_pc <= low_pc entries at parse time. Layout: test-tools/addr2line/tests/ ├── README.md -- documentation ├── conftest.py -- pytest fixtures (sdk discovery, build, │ run_addr2line invocation, multi-sdk │ parametrization) ├── test_addr2line.py -- 12 test cases ├── pytest.ini -- marker definitions (slow, multi_sdk) ├── run_tests.sh -- thin pytest wrapper ├── apps/ -- 8 purpose-built C/C++ sources └── fixtures/ -- 3 plaintext call-stack inputs Sources under apps/ are NOT copied from samples/; they target specific edge cases independent of sample evolution. Multi-SDK mode (--multi-sdk) parametrizes build-based tests over every detected wasi-sdk under /opt to catch DWARF-encoding differences between clang versions. Depends on the addr2line.py refactor.
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