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#!/bin/bash
# SPDX-License-Identifier: BSD-3-Clause
#
# ghidra_full_analysis.sh - import a CUDA userspace library into a fresh
# Ghidra project and run a full auto-analysis tuned for a large stripped
# vendor binary.
#
# This is the fixed version of the original per-version helper: passing
# `-analysisTimeoutPerFile 0` made this Ghidra build abort analysis after
# 0 seconds (see run/ghidra-analyze.log: "Analysis timed out at 0 seconds"),
# so the old project contains no analysis at all.
#
# Usage: ghidra_full_analysis.sh <binary> [project_dir] [project_name]
# env: GHIDRA_HOME (default /snap/ghidra/current/ghidra)
# GHIDRA_HEADLESS_MAXMEM (default 12G)
#
# The project is kept so the expensive analysis runs exactly once; all later
# decompilation uses ghidra_batch_decompile.sh / ghidra_decompile_at.sh with
# -noanalysis against the same project.
set -euo pipefail
HERE="$(cd "$(dirname "$0")" && pwd)"
GHIDRA_HOME="${GHIDRA_HOME:-/snap/ghidra/current/ghidra}"
ANALYZE="$GHIDRA_HOME/support/analyzeHeadless"
export GHIDRA_HEADLESS_MAXMEM="${GHIDRA_HEADLESS_MAXMEM:-12G}"
BIN="${1:?usage: $0 <binary> [project_dir] [project_name]}"
PROJECT_DIR="${2:-$(dirname "$BIN")/ghidra-full}"
PROJECT_NAME="${3:-cuda-full}"
[ -x "$ANALYZE" ] || { echo "analyzeHeadless not found at $ANALYZE"; exit 1; }
[ -f "$BIN" ] || { echo "no such binary: $BIN"; exit 1; }
mkdir -p "$PROJECT_DIR"
echo "[*] importing + analyzing $BIN"
echo " project: $PROJECT_DIR/$PROJECT_NAME"
echo " heap: $GHIDRA_HEADLESS_MAXMEM"
echo " (Decompiler Parameter ID and Function ID are disabled by"
echo " ConfigureAnalysis.java; everything else stays on.)"
"$ANALYZE" "$PROJECT_DIR" "$PROJECT_NAME" \
-import "$BIN" \
-overwrite \
-scriptPath "$HERE/ghidra" \
-preScript ConfigureAnalysis.java \
-analysisTimeoutPerFile 14400 \
-max-cpu "${MAX_CPU:-8}"
echo "[ok] analysis complete: $PROJECT_DIR/$PROJECT_NAME"
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