mirror of
https://github.com/lifting-bits/sleigh
synced 2026-06-21 13:56:12 +00:00
Alex Cameron
92671daec5
* libsleigh: Add helpers for finding spec files * doc: Update README * support: Move spec file helpers to separate `support` lib * support: Use `std::filesystem::path` over `std::string` * support: Generate helpers with CMake configure instead of macros * sleigh-lift: Rework optional args and include new SLA path arg * README: Document support helper * sleigh-lift: Fix compile warning * sleigh-lift: Rework default args to `FindSpecFile` * Apply suggestions from code review Co-authored-by: Eric Kilmer <eric.d.kilmer@gmail.com> * cmake: Fix quotes * support: Move build/install directories into separate header * support: Add missing copyright notice * support: Mark spec file dirs as static * cmake: Fix source list since we're generating a header now * support: Fix search path * sleigh-lift: Rename arg to `root_sla_dir` * README: Update usage text * sleight-lift: Rename option * Update support/Support.cpp Co-authored-by: Eric Kilmer <eric.d.kilmer@gmail.com> Co-authored-by: Eric Kilmer <eric.d.kilmer@gmail.com>
71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
/*
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Copyright (c) 2021-present, Trail of Bits, Inc.
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All rights reserved.
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This source code is licensed in accordance with the terms specified in
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the LICENSE file found in the root directory of this source tree.
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*/
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#include "SpecFilePaths.h"
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#include "Support.h"
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namespace sleigh {
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namespace {
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std::optional<std::filesystem::path>
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FindSpecFileInSearchPath(std::string_view file_name,
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std::filesystem::path search_path) {
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search_path.append("Ghidra").append("Processors");
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// Check whether a SLEIGH installation exists at this path
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if (!std::filesystem::is_directory(search_path)) {
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return {};
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}
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// Each directory under Processors/ represents a family of architectures
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//
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// Spec files should reside under:
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// <root_sla_dir>/Ghidra/Processors/<arch>/data/languages
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std::filesystem::directory_iterator install_iter(search_path);
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for (auto &dir_entry : install_iter) {
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if (!dir_entry.is_directory()) {
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continue;
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}
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// Check whether the spec file exists under data/languages/
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auto dir_path = dir_entry.path();
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dir_path.append("data").append("languages").append(file_name);
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if (!std::filesystem::exists(dir_path)) {
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continue;
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}
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return dir_path;
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}
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return {};
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}
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} // namespace
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const std::vector<std::filesystem::path> gDefaultSearchPaths = {
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// Derived from the installation
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kSleighSpecInstallDir,
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// Derived from the build
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kSleighSpecBuildDir,
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// Common install locations
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"/usr/local/share/sleigh/specfiles", "/usr/share/sleigh/specfiles",
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"/share/sleigh/specfiles"};
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std::optional<std::filesystem::path>
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FindSpecFile(std::string_view file_name,
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const std::vector<std::filesystem::path> &search_paths) {
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// Search each path for spec files
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for (const auto &path : search_paths) {
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auto file_path = FindSpecFileInSearchPath(file_name, path);
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if (file_path) {
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return file_path;
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}
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}
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// Cannot find the spec file
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return {};
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}
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} // namespace sleigh
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