forked from OSchip/llvm-project
134 lines
3.8 KiB
C++
134 lines
3.8 KiB
C++
//===-- HostInfoWindows.cpp -------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Host/windows/windows.h"
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#include <objbase.h>
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#include <mutex> // std::once
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#include "lldb/Host/windows/HostInfoWindows.h"
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#include "lldb/Host/windows/PosixApi.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/Support/ConvertUTF.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/Threading.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace lldb_private;
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FileSpec HostInfoWindows::m_program_filespec;
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void HostInfoWindows::Initialize() {
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::CoInitializeEx(nullptr, COINIT_MULTITHREADED);
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HostInfoBase::Initialize();
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}
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void HostInfoWindows::Terminate() {
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HostInfoBase::Terminate();
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::CoUninitialize();
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}
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size_t HostInfoWindows::GetPageSize() {
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SYSTEM_INFO systemInfo;
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GetNativeSystemInfo(&systemInfo);
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return systemInfo.dwPageSize;
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}
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bool HostInfoWindows::GetOSVersion(uint32_t &major, uint32_t &minor,
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uint32_t &update) {
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OSVERSIONINFOEX info;
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ZeroMemory(&info, sizeof(OSVERSIONINFOEX));
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info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
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#pragma warning(push)
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#pragma warning(disable : 4996)
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// Starting with Microsoft SDK for Windows 8.1, this function is deprecated in
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// favor of the
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// new Windows Version Helper APIs. Since we don't specify a minimum SDK
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// version, it's easier
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// to simply disable the warning rather than try to support both APIs.
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if (GetVersionEx((LPOSVERSIONINFO)&info) == 0) {
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return false;
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}
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#pragma warning(pop)
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major = info.dwMajorVersion;
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minor = info.dwMinorVersion;
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update = info.wServicePackMajor;
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return true;
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}
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bool HostInfoWindows::GetOSBuildString(std::string &s) {
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s.clear();
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uint32_t major, minor, update;
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if (!GetOSVersion(major, minor, update))
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return false;
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llvm::raw_string_ostream stream(s);
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stream << "Windows NT " << major << "." << minor << "." << update;
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return true;
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}
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bool HostInfoWindows::GetOSKernelDescription(std::string &s) {
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return GetOSBuildString(s);
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}
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bool HostInfoWindows::GetHostname(std::string &s) {
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wchar_t buffer[MAX_COMPUTERNAME_LENGTH + 1];
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DWORD dwSize = MAX_COMPUTERNAME_LENGTH + 1;
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if (!::GetComputerNameW(buffer, &dwSize))
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return false;
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return llvm::convertWideToUTF8(buffer, s);
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}
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FileSpec HostInfoWindows::GetProgramFileSpec() {
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static llvm::once_flag g_once_flag;
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llvm::call_once(g_once_flag, []() {
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std::vector<wchar_t> buffer(PATH_MAX);
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::GetModuleFileNameW(NULL, buffer.data(), buffer.size());
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std::string path;
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llvm::convertWideToUTF8(buffer.data(), path);
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m_program_filespec.SetFile(path, false);
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});
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return m_program_filespec;
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}
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FileSpec HostInfoWindows::GetDefaultShell() {
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std::string shell;
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GetEnvironmentVar("ComSpec", shell);
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return FileSpec(shell, false);
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}
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bool HostInfoWindows::ComputePythonDirectory(FileSpec &file_spec) {
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FileSpec lldb_file_spec;
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if (!GetLLDBPath(lldb::ePathTypeLLDBShlibDir, lldb_file_spec))
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return false;
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llvm::SmallString<64> path(lldb_file_spec.GetDirectory().AsCString());
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llvm::sys::path::remove_filename(path);
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llvm::sys::path::append(path, "lib", "site-packages");
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std::replace(path.begin(), path.end(), '\\', '/');
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file_spec.GetDirectory().SetString(path.c_str());
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return true;
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}
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bool HostInfoWindows::GetEnvironmentVar(const std::string &var_name,
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std::string &var) {
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std::wstring wvar_name;
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if (!llvm::ConvertUTF8toWide(var_name, wvar_name))
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return false;
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if (const wchar_t *wvar = _wgetenv(wvar_name.c_str()))
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return llvm::convertWideToUTF8(wvar, var);
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return false;
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}
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