140 lines
4.8 KiB
C++
140 lines
4.8 KiB
C++
//===-- HostInfoBase.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_HOST_HOSTINFOBASE_H
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#define LLDB_HOST_HOSTINFOBASE_H
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#include "lldb/Utility/ArchSpec.h"
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#include "lldb/Utility/FileSpec.h"
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#include "lldb/Utility/UUID.h"
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#include "lldb/Utility/UserIDResolver.h"
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#include "lldb/Utility/XcodeSDK.h"
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#include "lldb/lldb-enumerations.h"
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#include "llvm/ADT/StringRef.h"
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#include <cstdint>
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#include <optional>
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#include <string>
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namespace lldb_private {
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class FileSpec;
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struct SharedCacheImageInfo {
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UUID uuid;
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lldb::DataBufferSP data_sp;
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};
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class HostInfoBase {
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private:
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// Static class, unconstructable.
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HostInfoBase() = default;
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~HostInfoBase() = default;
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public:
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/// A helper function for determining the liblldb location. It receives a
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/// FileSpec with the location of file containing _this_ code. It can
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/// (optionally) replace it with a file spec pointing to a more canonical
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/// copy.
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using SharedLibraryDirectoryHelper = void(FileSpec &this_file);
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static void Initialize(SharedLibraryDirectoryHelper *helper = nullptr);
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static void Terminate();
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/// Gets the host target triple.
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///
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/// \return
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/// The host target triple.
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static llvm::Triple GetTargetTriple();
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enum ArchitectureKind {
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eArchKindDefault, // The overall default architecture that applications will
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// run on this host
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eArchKind32, // If this host supports 32 bit programs, return the default 32
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// bit arch
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eArchKind64 // If this host supports 64 bit programs, return the default 64
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// bit arch
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};
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static const ArchSpec &
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GetArchitecture(ArchitectureKind arch_kind = eArchKindDefault);
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static std::optional<ArchitectureKind>
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ParseArchitectureKind(llvm::StringRef kind);
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/// Returns the directory containing the lldb shared library. Only the
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/// directory member of the FileSpec is filled in.
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static FileSpec GetShlibDir();
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/// Returns the directory containing the support executables (debugserver,
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/// ...). Only the directory member of the FileSpec is filled in.
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static FileSpec GetSupportExeDir();
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/// Returns the directory containing the lldb headers. Only the directory
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/// member of the FileSpec is filled in.
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static FileSpec GetHeaderDir();
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/// Returns the directory containing the system plugins. Only the directory
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/// member of the FileSpec is filled in.
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static FileSpec GetSystemPluginDir();
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/// Returns the directory containing the user plugins. Only the directory
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/// member of the FileSpec is filled in.
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static FileSpec GetUserPluginDir();
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/// Returns the proces temporary directory. This directory will be cleaned up
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/// when this process exits. Only the directory member of the FileSpec is
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/// filled in.
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static FileSpec GetProcessTempDir();
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/// Returns the global temporary directory. This directory will **not** be
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/// cleaned up when this process exits. Only the directory member of the
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/// FileSpec is filled in.
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static FileSpec GetGlobalTempDir();
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/// If the triple does not specify the vendor, os, and environment parts, we
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/// "augment" these using information from the host and return the resulting
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/// ArchSpec object.
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static ArchSpec GetAugmentedArchSpec(llvm::StringRef triple);
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static bool ComputePathRelativeToLibrary(FileSpec &file_spec,
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llvm::StringRef dir);
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static FileSpec GetXcodeContentsDirectory() { return {}; }
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static FileSpec GetXcodeDeveloperDirectory() { return {}; }
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/// Return the directory containing a specific Xcode SDK.
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static llvm::Expected<llvm::StringRef> GetXcodeSDKPath(XcodeSDK sdk) {
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return "";
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}
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/// Return information about module \p image_name if it is loaded in
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/// the current process's address space.
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static SharedCacheImageInfo
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GetSharedCacheImageInfo(llvm::StringRef image_name) {
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return {};
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}
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protected:
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static bool ComputeSharedLibraryDirectory(FileSpec &file_spec);
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static bool ComputeSupportExeDirectory(FileSpec &file_spec);
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static bool ComputeProcessTempFileDirectory(FileSpec &file_spec);
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static bool ComputeGlobalTempFileDirectory(FileSpec &file_spec);
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static bool ComputeTempFileBaseDirectory(FileSpec &file_spec);
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static bool ComputeHeaderDirectory(FileSpec &file_spec);
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static bool ComputeSystemPluginsDirectory(FileSpec &file_spec);
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static bool ComputeUserPluginsDirectory(FileSpec &file_spec);
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static void ComputeHostArchitectureSupport(ArchSpec &arch_32,
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ArchSpec &arch_64);
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};
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}
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#endif
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