37 lines
1.2 KiB
Bash
37 lines
1.2 KiB
Bash
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#!/usr/bin/env bash
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set -euo pipefail
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# Run Larson with AddressSanitizer reliably for 4T by preloading libasan + HAKMEM ASan .so
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# Rationale: some environments fail to reserve ASan shadow when running a fully
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# sanitized binary for multi‑thread runs. Preloading the ASan runtime and the
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# allocator .so while using an unsanitized larson_system binary avoids those
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# mapping conflicts while still sanitizing allocator code paths.
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threads=${1:-4}
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sleep_sec=${2:-10}
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min_size=${3:-8}
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max_size=${4:-128}
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chunks_per_thread=${5:-1024}
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rounds=${6:-1}
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seed=${7:-12345}
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echo "[build] libhakmem_asan.so and larson_system"
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make -j asan-shared-alloc larson_system >/dev/null
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export LSAN_OPTIONS=${LSAN_OPTIONS:-detect_leaks=0}
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# Find libasan from the active toolchain
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libasan_path=$(gcc -print-file-name=libasan.so)
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if [[ ! -f "$libasan_path" ]]; then
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echo "[error] libasan.so not found via gcc -print-file-name" >&2
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exit 1
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fi
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export LD_PRELOAD="${libasan_path}:$PWD/libhakmem_asan.so"
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echo "[run] LD_PRELOAD set to: $LD_PRELOAD"
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cmd=("./larson_system" "$sleep_sec" "$min_size" "$max_size" "$chunks_per_thread" "$rounds" "$seed" "$threads")
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echo "[run] ${cmd[*]}"
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"${cmd[@]}"
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