6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
//===-- ModuleCache.h -------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_TARGET_MODULECACHE_H
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#define LLDB_TARGET_MODULECACHE_H
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#include "lldb/lldb-forward.h"
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#include "lldb/lldb-types.h"
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#include "lldb/Host/File.h"
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#include "lldb/Utility/FileSpec.h"
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#include "lldb/Utility/Status.h"
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#include <functional>
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#include <string>
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#include <unordered_map>
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namespace lldb_private {
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class Module;
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class UUID;
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/// \class ModuleCache ModuleCache.h "lldb/Target/ModuleCache.h"
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/// A module cache class.
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///
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/// Caches locally modules that are downloaded from remote targets. Each
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/// cached module maintains 2 views:
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/// - UUID view:
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/// /${CACHE_ROOT}/${PLATFORM_NAME}/.cache/${UUID}/${MODULE_FILENAME}
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/// - Sysroot view:
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/// /${CACHE_ROOT}/${PLATFORM_NAME}/${HOSTNAME}/${MODULE_FULL_FILEPATH}
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///
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/// UUID views stores a real module file, whereas Sysroot view holds a symbolic
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/// link to UUID-view file.
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///
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/// Example:
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/// UUID view :
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/// /tmp/lldb/remote-
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/// linux/.cache/30C94DC6-6A1F-E951-80C3-D68D2B89E576-D5AE213C/libc.so.6
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/// Sysroot view: /tmp/lldb/remote-linux/ubuntu/lib/x86_64-linux-gnu/libc.so.6
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class ModuleCache {
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public:
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using ModuleDownloader =
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std::function<Status(const ModuleSpec &, const FileSpec &)>;
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using SymfileDownloader =
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std::function<Status(const lldb::ModuleSP &, const FileSpec &)>;
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Status GetAndPut(const FileSpec &root_dir_spec, const char *hostname,
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const ModuleSpec &module_spec,
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const ModuleDownloader &module_downloader,
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const SymfileDownloader &symfile_downloader,
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lldb::ModuleSP &cached_module_sp, bool *did_create_ptr);
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private:
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Status Put(const FileSpec &root_dir_spec, const char *hostname,
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const ModuleSpec &module_spec, const FileSpec &tmp_file,
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const FileSpec &target_file);
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Status Get(const FileSpec &root_dir_spec, const char *hostname,
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const ModuleSpec &module_spec, lldb::ModuleSP &cached_module_sp,
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bool *did_create_ptr);
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std::unordered_map<std::string, lldb::ModuleWP> m_loaded_modules;
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};
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} // namespace lldb_private
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#endif // LLDB_TARGET_MODULECACHE_H
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