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Diffstat (limited to 'userspace/cuda/tools/ghidra/ConfigureAnalysis.java')
| -rw-r--r-- | userspace/cuda/tools/ghidra/ConfigureAnalysis.java | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/userspace/cuda/tools/ghidra/ConfigureAnalysis.java b/userspace/cuda/tools/ghidra/ConfigureAnalysis.java new file mode 100644 index 0000000..71bb75e --- /dev/null +++ b/userspace/cuda/tools/ghidra/ConfigureAnalysis.java @@ -0,0 +1,84 @@ +// SPDX-License-Identifier: BSD-3-Clause +// +// ConfigureAnalysis.java - Ghidra pre-script used by the Open-IOV CUDA +// tooling to make headless auto-analysis of a large stripped vendor library +// tractable and reproducible. +// +// The CUDA userspace driver is a ~70 MB, fully stripped x86-64 shared object +// with roughly a hundred thousand functions. The default analyzer set spends +// the majority of its time in the two optional "identifier" analyzers, which +// are not needed to obtain readable decompilation: +// +// * Decompiler Parameter ID - decompiles every function to recover +// parameter types (very expensive, no value +// for a stripped binary where we have no +// type definitions for internal structs) +// * Function ID (FID) - matches function bodies against .fidb +// signature databases (liberal, and we have +// no curated database for this toolchain) +// +// Everything else (disassembly, function start search, aggressive instruction +// finder, exception handling, stack analysis, reference analyzers, ...) is +// kept, because function discovery quality on a stripped binary depends on +// them. +// +// Usage (analyzeHeadless): +// -preScript ConfigureAnalysis.java [verbose] +// +// Re-runnable: the same settings are applied on every analysis of a program. + +import ghidra.app.script.GhidraScript; +import ghidra.framework.options.Options; + +public class ConfigureAnalysis extends GhidraScript { + + private static final String[] DISABLE = { + "Decompiler Parameter ID", + "Function ID", + }; + + private static final String[] ENABLE = { + "Aggressive Instruction Finder", + "GCC Exception Handlers", + "Function Start Search", + "Shared Return Calls", + "Non-Returning Functions - Known", + "Non-Returning Functions - Discovered", + }; + + @Override + public void run() throws Exception { + boolean verbose = getScriptArgs().length > 0; + Options opts = currentProgram.getOptions("Analyzers"); + + if (verbose) { + println("[ConfigureAnalysis] analyzer options before:"); + for (String name : opts.getOptionNames()) { + println(" " + name + " = " + opts.getObject(name, null)); + } + } + + for (String name : DISABLE) { + if (opts.contains(name)) { + opts.setBoolean(name, false); + println("[ConfigureAnalysis] disabled: " + name); + } else { + println("[ConfigureAnalysis] WARN not found: " + name); + } + } + + for (String name : ENABLE) { + if (opts.contains(name)) { + opts.setBoolean(name, true); + println("[ConfigureAnalysis] enabled: " + name); + } + } + + if (verbose) { + println("[ConfigureAnalysis] analyzer options after:"); + for (String name : opts.getOptionNames()) { + println(" " + name + " = " + opts.getObject(name, null)); + } + } + } +} |
