8d48cd6009
This was causing a test failure in one of LLDB's tests which specifically dealt with a limitation in LLVM's implementation of home_directory() that LLDB's own implementation had worked around. This limitation has been addressed in r298513 on the LLVM side, so the failing test (which is now unnecessary as the limitation no longer exists) was removed in r298519, allowing this patch to be re-submitted without modification. llvm-svn: 298526
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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