1ae0037330
This allows to retrieve the native CPU architecture name regardless of
the current process CPU architecture.
Common examples for CPU architecture differences are the following:
- Win32 process in x64 Windows (WoW)
- Win32 or x64 process on ARM64 Windows (WoW64)
- x86_64 process on ARM64 macOS (Rosetta 2)
Closes #22036.
390 lines
10 KiB
C++
390 lines
10 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: src/common/platinfo.cpp
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// Purpose: implements wxPlatformInfo class
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// Author: Francesco Montorsi
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// Modified by:
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// Created: 07.07.2006 (based on wxToolkitInfo)
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// Copyright: (c) 2006 Francesco Montorsi
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// for compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#include "wx/platinfo.h"
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#ifndef WX_PRECOMP
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#include "wx/app.h"
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#include "wx/utils.h"
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#endif //WX_PRECOMP
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#include "wx/apptrait.h"
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#ifdef __WINDOWS__
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#include "wx/dynlib.h"
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#endif
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// global object
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// VERY IMPORTANT: do not use the default constructor since it would
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// try to init the wxPlatformInfo instance using
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// gs_platInfo itself!
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static wxPlatformInfo gs_platInfo(wxPORT_UNKNOWN);
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// Keep "Unknown" entries to avoid breaking the indexes
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static const wxChar* const wxOperatingSystemIdNames[] =
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{
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wxT("Apple Mac OS"),
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wxT("Apple Mac OS X"),
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wxT("Unknown"), // STL build: cannot use _() to translate strings here
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wxT("Microsoft Windows NT"),
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wxT("Unknown"),
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wxT("Unknown"),
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wxT("Linux"),
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wxT("FreeBSD"),
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wxT("OpenBSD"),
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wxT("NetBSD"),
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wxT("SunOS"),
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wxT("AIX"),
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wxT("HPUX"),
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wxT("Other Unix"),
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wxT("Other Unix"),
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wxT("Unknown"),
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wxT("Unknown"),
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};
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static const wxChar* const wxPortIdNames[] =
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{
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wxT("wxBase"),
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wxT("wxMSW"),
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wxT("wxMotif"),
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wxT("wxGTK"),
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wxT("wxDFB"),
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wxT("wxX11"),
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wxT("Unknown"),
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wxT("wxMac"),
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wxT("wxCocoa"),
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wxT("Unknown"),
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wxT("wxQT")
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};
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static const wxChar* const wxBitnessNames[] =
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{
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wxT("32 bit"),
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wxT("64 bit")
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};
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static const wxChar* const wxEndiannessNames[] =
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{
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wxT("Big endian"),
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wxT("Little endian"),
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wxT("PDP endian")
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};
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// ----------------------------------------------------------------------------
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// local functions
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// ----------------------------------------------------------------------------
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// returns the logarithm in base 2 of 'value'; this maps the enum values to the
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// corresponding indexes of the string arrays above
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static unsigned wxGetIndexFromEnumValue(int value)
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{
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wxCHECK_MSG( value, (unsigned)-1, wxT("invalid enum value") );
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int n = 0;
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while ( !(value & 1) )
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{
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value >>= 1;
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n++;
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}
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wxASSERT_MSG( value == 1, wxT("more than one bit set in enum value") );
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return n;
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}
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// ----------------------------------------------------------------------------
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// wxPlatformInfo
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// ----------------------------------------------------------------------------
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wxPlatformInfo::wxPlatformInfo()
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{
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// just copy platform info for currently running platform
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*this = Get();
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}
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wxPlatformInfo::wxPlatformInfo(wxPortId pid, int tkMajor, int tkMinor,
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wxOperatingSystemId id, int osMajor, int osMinor,
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wxBitness bitness,
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wxEndianness endian,
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bool usingUniversal)
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{
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m_initializedForCurrentPlatform = false;
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m_tkVersionMajor = tkMajor;
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m_tkVersionMinor = tkMinor;
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m_tkVersionMicro = -1;
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m_port = pid;
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m_usingUniversal = usingUniversal;
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m_os = id;
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m_osVersionMajor = osMajor;
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m_osVersionMinor = osMinor;
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m_osVersionMicro = -1;
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m_endian = endian;
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m_bitness = bitness;
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}
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bool wxPlatformInfo::operator==(const wxPlatformInfo &t) const
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{
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return m_tkVersionMajor == t.m_tkVersionMajor &&
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m_tkVersionMinor == t.m_tkVersionMinor &&
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m_tkVersionMicro == t.m_tkVersionMicro &&
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m_osVersionMajor == t.m_osVersionMajor &&
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m_osVersionMinor == t.m_osVersionMinor &&
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m_osVersionMicro == t.m_osVersionMicro &&
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m_os == t.m_os &&
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m_osDesc == t.m_osDesc &&
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m_ldi == t.m_ldi &&
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m_desktopEnv == t.m_desktopEnv &&
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m_port == t.m_port &&
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m_usingUniversal == t.m_usingUniversal &&
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m_bitness == t.m_bitness &&
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m_endian == t.m_endian;
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}
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void wxPlatformInfo::InitForCurrentPlatform()
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{
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m_initializedForCurrentPlatform = true;
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// autodetect all informations
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const wxAppTraits * const traits = wxApp::GetTraitsIfExists();
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if ( !traits )
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{
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wxFAIL_MSG( wxT("failed to initialize wxPlatformInfo") );
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m_port = wxPORT_UNKNOWN;
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m_usingUniversal = false;
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m_tkVersionMajor =
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m_tkVersionMinor =
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m_tkVersionMicro = 0;
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}
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else
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{
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m_port = traits->GetToolkitVersion(&m_tkVersionMajor, &m_tkVersionMinor,
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&m_tkVersionMicro);
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m_usingUniversal = traits->IsUsingUniversalWidgets();
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m_desktopEnv = traits->GetDesktopEnvironment();
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}
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m_os = wxGetOsVersion(&m_osVersionMajor, &m_osVersionMinor, &m_osVersionMicro);
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m_osDesc = wxGetOsDescription();
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m_endian = wxIsPlatformLittleEndian() ? wxENDIAN_LITTLE : wxENDIAN_BIG;
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m_bitness = wxIsPlatform64Bit() ? wxBITNESS_64 : wxBITNESS_32;
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m_cpuArch = wxGetCpuArchitectureName();
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m_nativeCpuArch = wxGetNativeCpuArchitectureName();
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#ifdef __LINUX__
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m_ldi = wxGetLinuxDistributionInfo();
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#endif
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// else: leave m_ldi empty
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}
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/* static */
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const wxPlatformInfo& wxPlatformInfo::Get()
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{
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static bool initialized = false;
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if ( !initialized )
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{
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gs_platInfo.InitForCurrentPlatform();
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initialized = true;
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}
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return gs_platInfo;
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}
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/* static */
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wxString wxPlatformInfo::GetOperatingSystemDirectory()
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{
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return wxGetOSDirectory();
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}
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// ----------------------------------------------------------------------------
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// wxPlatformInfo - enum -> string conversions
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// ----------------------------------------------------------------------------
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wxString wxPlatformInfo::GetOperatingSystemFamilyName(wxOperatingSystemId os)
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{
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const wxChar* string = wxT("Unknown");
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if ( os & wxOS_MAC )
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string = wxT("Macintosh");
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else if ( os & wxOS_WINDOWS )
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string = wxT("Windows");
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else if ( os & wxOS_UNIX )
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string = wxT("Unix");
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return string;
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}
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wxString wxPlatformInfo::GetOperatingSystemIdName(wxOperatingSystemId os)
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{
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const unsigned idx = wxGetIndexFromEnumValue(os);
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wxCHECK_MSG( idx < WXSIZEOF(wxOperatingSystemIdNames), wxEmptyString,
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wxT("invalid OS id") );
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return wxOperatingSystemIdNames[idx];
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}
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wxString wxPlatformInfo::GetPortIdName(wxPortId port, bool usingUniversal)
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{
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wxString ret;
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const unsigned idx = wxGetIndexFromEnumValue(port);
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wxCHECK_MSG( idx < WXSIZEOF(wxPortIdNames), ret,
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wxT("invalid port id") );
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ret = wxPortIdNames[idx];
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if ( usingUniversal )
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ret += wxT("/wxUniversal");
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return ret;
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}
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wxString wxPlatformInfo::GetPortIdShortName(wxPortId port, bool usingUniversal)
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{
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wxString ret;
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const unsigned idx = wxGetIndexFromEnumValue(port);
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wxCHECK_MSG( idx < WXSIZEOF(wxPortIdNames), ret,
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wxT("invalid port id") );
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ret = wxPortIdNames[idx];
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ret = ret.Mid(2).Lower(); // remove 'wx' prefix
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if ( usingUniversal )
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ret += wxT("univ");
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return ret;
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}
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wxString wxPlatformInfo::GetBitnessName(wxBitness bitness)
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{
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wxCOMPILE_TIME_ASSERT( WXSIZEOF(wxBitnessNames) == wxBITNESS_MAX,
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wxBitnessNamesMismatch );
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return wxBitnessNames[bitness];
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}
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wxString wxPlatformInfo::GetEndiannessName(wxEndianness end)
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{
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wxCOMPILE_TIME_ASSERT( WXSIZEOF(wxEndiannessNames) == wxENDIAN_MAX,
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wxEndiannessNamesMismatch );
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return wxEndiannessNames[end];
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}
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bool wxPlatformInfo::CheckOSVersion(int major, int minor, int micro) const
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{
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// If this instance of wxPlatformInfo has been initialized by InitForCurrentPlatform()
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// this check gets forwarded to the wxCheckOsVersion which might do more than a simple
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// number check if supported by the platform
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if (m_initializedForCurrentPlatform)
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return wxCheckOsVersion(major, minor, micro);
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else
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return DoCheckVersion(GetOSMajorVersion(),
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GetOSMinorVersion(),
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GetOSMicroVersion(),
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major,
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minor,
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micro);
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}
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// ----------------------------------------------------------------------------
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// wxPlatformInfo - string -> enum conversions
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// ----------------------------------------------------------------------------
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wxOperatingSystemId wxPlatformInfo::GetOperatingSystemId(const wxString &str)
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{
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for ( size_t i = 0; i < WXSIZEOF(wxOperatingSystemIdNames); i++ )
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{
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if ( wxString(wxOperatingSystemIdNames[i]).CmpNoCase(str) == 0 )
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return (wxOperatingSystemId)(1 << i);
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}
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return wxOS_UNKNOWN;
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}
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wxPortId wxPlatformInfo::GetPortId(const wxString &str)
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{
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// recognize both short and long port names
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for ( size_t i = 0; i < WXSIZEOF(wxPortIdNames); i++ )
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{
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wxPortId current = (wxPortId)(1 << i);
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if ( wxString(wxPortIdNames[i]).CmpNoCase(str) == 0 ||
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GetPortIdShortName(current, true).CmpNoCase(str) == 0 ||
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GetPortIdShortName(current, false).CmpNoCase(str) == 0 )
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return current;
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}
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return wxPORT_UNKNOWN;
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}
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wxArchitecture wxPlatformInfo::GetArch(const wxString &arch)
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{
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if ( arch.Contains(wxT("32")) )
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return wxARCH_32;
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if ( arch.Contains(wxT("64")) )
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return wxARCH_64;
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return wxARCH_INVALID;
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}
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wxEndianness wxPlatformInfo::GetEndianness(const wxString& end)
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{
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const wxString endl(end.Lower());
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if ( endl.StartsWith(wxT("little")) )
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return wxENDIAN_LITTLE;
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if ( endl.StartsWith(wxT("big")) )
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return wxENDIAN_BIG;
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return wxENDIAN_INVALID;
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}
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#ifdef __WINDOWS__
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bool wxIsRunningUnderWine()
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{
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return wxLoadedDLL("ntdll.dll").HasSymbol(wxS("wine_get_version"));
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}
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#endif // __WINDOWS__
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