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//===-- HostInfoBase.h ------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef lldb_Host_HostInfoBase_h_
#define lldb_Host_HostInfoBase_h_
#include "lldb/Core/ArchSpec.h"
#include "lldb/Host/FileSpec.h"
#include "lldb/lldb-enumerations.h"
#include "llvm/ADT/StringRef.h"
#include <stdint.h>
#include <string>
namespace lldb_private {
class FileSpec;
class HostInfoBase {
private:
// Static class, unconstructable.
HostInfoBase() {}
~HostInfoBase() {}
public:
static void Initialize();
static void Terminate();
//------------------------------------------------------------------
/// Returns the number of CPUs on this current host.
///
/// @return
/// Number of CPUs on this current host, or zero if the number
/// of CPUs can't be determined on this host.
//------------------------------------------------------------------
static uint32_t GetNumberCPUS();
//------------------------------------------------------------------
/// Returns the maximum length of a thread name on this platform.
///
/// @return
/// Maximum length of a thread name on this platform.
//------------------------------------------------------------------
static uint32_t GetMaxThreadNameLength();
//------------------------------------------------------------------
/// Gets the host vendor string.
///
/// @return
/// A const string object containing the host vendor name.
//------------------------------------------------------------------
static llvm::StringRef GetVendorString();
//------------------------------------------------------------------
/// Gets the host Operating System (OS) string.
///
/// @return
/// A const string object containing the host OS name.
//------------------------------------------------------------------
static llvm::StringRef GetOSString();
//------------------------------------------------------------------
/// Gets the host target triple as a const string.
///
/// @return
/// A const string object containing the host target triple.
//------------------------------------------------------------------
static llvm::StringRef GetTargetTriple();
//------------------------------------------------------------------
/// Gets the host architecture.
///
/// @return
/// A const architecture object that represents the host
/// architecture.
//------------------------------------------------------------------
enum ArchitectureKind {
eArchKindDefault, // The overall default architecture that applications will
// run on this host
eArchKind32, // If this host supports 32 bit programs, return the default 32
// bit arch
eArchKind64 // If this host supports 64 bit programs, return the default 64
// bit arch
};
static const ArchSpec &
GetArchitecture(ArchitectureKind arch_kind = eArchKindDefault);
//------------------------------------------------------------------
/// Find a resource files that are related to LLDB.
///
/// Operating systems have different ways of storing shared
/// libraries and related resources. This function abstracts the
/// access to these paths.
///
/// @param[in] path_type
/// The type of LLDB resource path you are looking for. If the
/// enumeration ends with "Dir", then only the \a file_spec's
/// directory member gets filled in.
///
/// @param[in] file_spec
/// A file spec that gets filled in with the appropriate path.
///
/// @return
/// \b true if \a resource_path was resolved, \a false otherwise.
//------------------------------------------------------------------
static bool GetLLDBPath(lldb::PathType type, FileSpec &file_spec);
protected:
static bool ComputeSharedLibraryDirectory(FileSpec &file_spec);
static bool ComputeSupportExeDirectory(FileSpec &file_spec);
static bool ComputeProcessTempFileDirectory(FileSpec &file_spec);
static bool ComputeGlobalTempFileDirectory(FileSpec &file_spec);
static bool ComputeTempFileBaseDirectory(FileSpec &file_spec);
static bool ComputeHeaderDirectory(FileSpec &file_spec);
static bool ComputeSystemPluginsDirectory(FileSpec &file_spec);
static bool ComputeClangDirectory(FileSpec &file_spec);
static bool ComputeUserPluginsDirectory(FileSpec &file_spec);
static void ComputeHostArchitectureSupport(ArchSpec &arch_32,
ArchSpec &arch_64);
};
}
#endif
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