qt 6.5.1 original

tests/auto/corelib/plugin/qpluginloader/BLACKLIST

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+[loadMachO]
+macos cmake

tests/auto/corelib/plugin/qpluginloader/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+add_subdirectory(lib)
+add_subdirectory(staticplugin)
+add_subdirectory(theplugin)
+add_subdirectory(tst)
+if(UNIX AND NOT ANDROID AND NOT APPLE)
+    add_subdirectory(almostplugin)
+endif()
+if(MACOS AND QT_FEATURE_private_tests AND TARGET Qt::Gui)
+    add_subdirectory(machtest)
+endif()

tests/auto/corelib/plugin/qpluginloader/almostplugin/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## almostplugin Generic Library:
+#####################################################################
+
+qt_internal_add_cmake_library(almostplugin
+    MODULE
+    INSTALL_DIRECTORY "${INSTALL_TESTSDIR}/tst_qpluginloader/bin"
+    OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/../bin"
+    SOURCES
+        almostplugin.cpp almostplugin.h
+    LIBRARIES
+        Qt::Core
+)
+
+qt_autogen_tools_initial_setup(almostplugin)

tests/auto/corelib/plugin/qpluginloader/almostplugin/almostplugin.cpp

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#include <QtCore/QString>
+#include "almostplugin.h"
+#include <QtCore/qplugin.h>
+
+QString AlmostPlugin::pluginName() const
+{
+    unresolvedSymbol();
+    return QLatin1String("Plugin ok");
+}

tests/auto/corelib/plugin/qpluginloader/almostplugin/almostplugin.h

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#ifndef ALMOSTPLUGIN_H
+#define ALMOSTPLUGIN_H
+
+#include <QObject>
+#include <QtPlugin>
+#include "../theplugin/plugininterface.h"
+
+class AlmostPlugin : public QObject, public PluginInterface
+{
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID "org.qt-project.Qt.autotests.plugininterface" FILE "../empty.json")
+    Q_INTERFACES(PluginInterface)
+
+public:
+    QString pluginName() const override;
+    void unresolvedSymbol() const;
+};
+
+#endif // ALMOSTPLUGIN_H

tests/auto/corelib/plugin/qpluginloader/empty.json

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+{}

tests/auto/corelib/plugin/qpluginloader/fakeplugin.cpp

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+// Copyright (C) 2021 Intel Corporation.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#ifndef QT_VERSION_MAJOR
+#  include <QtCore/qglobal.h>
+#endif
+
+extern "C" void *qt_plugin_instance()
+{
+    return nullptr;
+}
+
+#ifdef QT_DEBUG
+static constexpr bool IsDebug = true;
+#else
+static constexpr bool IsDebug = false;
+#endif
+
+#ifndef PLUGIN_VERSION
+#  define PLUGIN_VERSION    (QT_VERSION_MAJOR >= 7 ? 1 : 0)
+#endif
+#if PLUGIN_VERSION == 1
+#  define PLUGIN_HEADER     1, QT_VERSION_MAJOR, 0, IsDebug ? 0x80 : 0
+#else
+#  define PLUGIN_HEADER     0, QT_VERSION_MAJOR, 0, IsDebug
+#endif
+
+#if defined(__ELF__) && PLUGIN_VERSION >= 1
+// GCC will produce:
+// fakeplugin.cpp:64:3: warning: ‘no_sanitize’ attribute ignored [-Wattributes]
+__attribute__((section(".note.qt.metadata"), used, no_sanitize("address"), aligned(sizeof(void*))))
+static const struct {
+    unsigned n_namesz = sizeof(name);
+    unsigned n_descsz = sizeof(payload);
+    unsigned n_type = 0x74510001;
+    char name[12] = "qt-project!";
+    alignas(unsigned) unsigned char payload[2 + 4] = {
+        PLUGIN_HEADER,
+        0xbf,
+        0xff,
+    };
+} qtnotemetadata;
+#elif PLUGIN_VERSION >= 0
+#  ifdef _MSC_VER
+#    pragma section(".qtmetadata",read,shared)
+__declspec(allocate(".qtmetadata"))
+#  elif defined(__APPLE__)
+__attribute__ ((section ("__TEXT,qtmetadata"), used))
+#  else
+__attribute__ ((section(".qtmetadata"), used))
+#  endif
+static const unsigned char qtmetadata[] = {
+    'Q', 'T', 'M', 'E', 'T', 'A', 'D', 'A', 'T', 'A', ' ', '!',
+    PLUGIN_HEADER,
+    0xbf,
+    0xff,
+};
+#endif

tests/auto/corelib/plugin/qpluginloader/lib/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_qpluginloaderlib Generic Library:
+#####################################################################
+
+qt_internal_add_cmake_library(tst_qpluginloaderlib
+    SHARED
+    INSTALL_DIRECTORY "${INSTALL_TESTSDIR}/tst_qpluginloader/bin"
+    OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/../bin"
+    SOURCES
+        mylib.c
+    LIBRARIES
+        Qt::Core
+)
+
+if(WIN32)
+    # CMake sets for Windows-GNU platforms the suffix "lib"
+    set_property(TARGET tst_qpluginloaderlib PROPERTY PREFIX "")
+endif()
+
+## Scopes:
+#####################################################################
+
+qt_internal_extend_target(tst_qpluginloaderlib CONDITION MSVC
+    DEFINES
+        WIN32_MSVC
+)
+
+set_target_properties(tst_qpluginloaderlib PROPERTIES
+    C_VISIBILITY_PRESET "default"
+    CXX_VISIBILITY_PRESET "default"
+)

tests/auto/corelib/plugin/qpluginloader/lib/mylib.c

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <qglobal.h>
+
+#if defined(Q_CC_MSVC) || defined(Q_CC_MSVC_NET) || defined(Q_CC_BOR)
+#define LIB_EXPORT __declspec(dllexport)
+#else
+#define LIB_EXPORT
+#endif
+
+#if defined(Q_CC_BOR)
+# define BORLAND_STDCALL __stdcall
+#else
+# define BORLAND_STDCALL
+#endif
+
+static int pluginVariable = 0xc0ffee;
+LIB_EXPORT int *pointerAddress()
+{
+    return &pluginVariable;
+}
+
+LIB_EXPORT int BORLAND_STDCALL version()
+{
+    return 1;
+}
+

tests/auto/corelib/plugin/qpluginloader/machtest/CMakeLists.txt

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+

tests/auto/corelib/plugin/qpluginloader/machtest/generate-bad.pl

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+#!/usr/bin/perl
+# Copyright (C) 2016 Intel Corporation.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+use strict;
+use constant FAT_MAGIC => 0xcafebabe;
+use constant MH_MAGIC => 0xfeedface;
+use constant MH_MAGIC_64 => 0xfeedfacf;
+use constant CPU_TYPE_X86 => 7;
+use constant CPU_TYPE_X86_64 => CPU_TYPE_X86 | 0x01000000;
+use constant CPU_SUBTYPE_I386_ALL => 3;
+use constant MH_DYLIB => 6;
+use constant LC_SEGMENT => 1;
+use constant LC_SEGMENT_64 => 0x19;
+
+my $good = pack("(L7 L2 Z16 L8 Z16 Z16 L9 . L)>",
+    MH_MAGIC, CPU_TYPE_X86, CPU_SUBTYPE_I386_ALL, MH_DYLIB, # 0-3
+    1, # 4: ncmds
+    4 * (37 - 6), # 5: sizeofcmds
+    0, # 6: flags
+
+    LC_SEGMENT, # 7: cmd
+    4 * (37 - 6), # 8: cmdsize
+    '__TEXT', # 9-12: segname
+    0, # 13: vmaddr
+    0x1000, # 14: vmsize
+    0, # 15: fileoff
+    0x204, # 16: filesize
+    7, # 17: maxprot (rwx)
+    5, # 18: initprot (r-x)
+    1, # 19: nsects
+    0, # 20: flags
+
+    'qtmetadata', # 21-24: sectname
+    '__TEXT', # 25-28: segname
+    0x200, # 29: addr
+    4, # 30: size
+    0x200, # 31: offset
+    2, # 32: align (2^2)
+    0, # 33: reloff
+    0, # 34: nreloc
+    0, # 35: flags
+    0, # 36: reserved1
+    0, # 37: reserved2
+
+    0x200,
+    0xc0ffee # data
+);
+
+my $good64 = pack("(L8 L2 Z16 Q4 L4 Z16 Z16 Q2 L8 . Q)>",
+    MH_MAGIC_64, CPU_TYPE_X86_64, CPU_SUBTYPE_I386_ALL, MH_DYLIB, # 0-3
+    1, # 4: ncmds
+    4 * (45 - 7), # 5: sizeofcmds
+    0, # 6: flags
+    0, # 7: reserved
+
+    LC_SEGMENT_64, # 8: cmd
+    4 * (45 - 7), # 9: cmdsize
+    '__TEXT', # 10-13: segname
+    0, # 14-15: vmaddr
+    0x1000, # 16-17: vmsize
+    0, # 18-19: fileoff
+    0x208, # 20-21: filesize
+    7, # 22: maxprot (rwx)
+    5, # 23: initprot (r-x)
+    1, # 24: nsects
+    0, # 25: flags
+
+    'qtmetadata', # 26-29: sectname
+    '__TEXT', # 30-33: segname
+    0x200, # 34-35: addr
+    4, # 36-37: size
+    0x200, # 38: offset
+    3, # 39: align (2^3)
+    0, # 40: reloff
+    0, # 41: nreloc
+    0, # 42: flags
+    0, # 43: reserved1
+    0, # 44: reserved2
+    0, # 45: reserved3
+
+    0x200,
+    0xc0ffeec0ffee # data
+);
+
+my $fat = pack("L>*",
+    FAT_MAGIC, # 1: magic
+    2, # 2: nfat_arch
+
+    CPU_TYPE_X86, # 3: cputype
+    CPU_SUBTYPE_I386_ALL, # 4: cpusubtype
+    0x1000, # 5: offset
+    0x1000, # 6: size
+    12, # 7: align (2^12)
+
+    CPU_TYPE_X86_64, # 8: cputype
+    CPU_SUBTYPE_I386_ALL, # 9: cpusubtype
+    0x2000, # 10: offset
+    0x1000, # 11: size
+    12, # 12: align (2^12)
+);
+
+my $buffer;
+
+our $badcount = 1;
+sub generate($) {
+    open OUT, ">", "bad$badcount.dylib" or die("Could not open file bad$badcount.dylib: $!\n");
+    binmode OUT;
+    print OUT $_[0];
+    close OUT;
+    ++$badcount;
+}
+
+# Bad file 1-2
+# Except that the cmdsize fields are null
+$buffer = $good;
+vec($buffer, 5, 32) = 0;
+generate $buffer;
+
+$buffer = $good;
+vec($buffer, 8, 32) = 0;
+generate $buffer;
+
+# Bad file 3-4: same as above but 64-bit
+$buffer = $good64;
+vec($buffer, 5, 32) = 0;
+generate $buffer;
+
+$buffer = $good64;
+vec($buffer, 9, 32) = 0;
+generate $buffer;
+
+# Bad file 5-8: same as 1-4, but set cmdsize to bigger than file
+$buffer = $good;
+vec($buffer, 5, 32) = 0x1000;
+generate $buffer;
+
+$buffer = $good;
+vec($buffer, 8, 32) = 0x1000;
+generate $buffer;
+
+$buffer = $good64;
+vec($buffer, 5, 32) = 0x1000;
+generate $buffer;
+
+$buffer = $good64;
+vec($buffer, 9, 32) = 0x1000;
+generate $buffer;
+
+# Bad file 9-10: overflow size+offset
+$buffer = $good;
+vec($buffer, 30, 32) = 0xffffffe0;
+generate $buffer;
+
+$buffer = $good64;
+vec($buffer, 36, 32) = 0xffffffff;
+vec($buffer, 37, 32) = 0xffffffe0;
+generate $buffer;
+
+# Bad file 11: FAT binary with just the header
+generate $fat;
+
+# Bad file 12: FAT binary where the Mach contents don't match the FAT directory
+$buffer = pack("a4096 a4096 a4096", $fat, $good64, $good);
+generate $buffer;
+
+# Bad file 13: FAT binary with overflowing size
+$buffer = pack("a4096 a4096 a4096", $fat, $good, $good64);
+vec($buffer, 5, 32) = 0xfffffffe0;
+vec($buffer, 10, 32) = 0xfffffffe0;
+generate $buffer;

tests/auto/corelib/plugin/qpluginloader/machtest/ppcconverter.pl

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+#!/usr/bin/perl
+# Copyright (C) 2016 Intel Corporation.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+# Changes the Mach-O file type header to PowerPC.
+#
+# The header is (from mach-o/loader.h):
+# struct mach_header {
+#    uint32_t   magic;          /* mach magic number identifier */
+#    cpu_type_t cputype;        /* cpu specifier */
+#    cpu_subtype_t      cpusubtype;     /* machine specifier */
+#    uint32_t   filetype;       /* type of file */
+#    uint32_t   ncmds;          /* number of load commands */
+#    uint32_t   sizeofcmds;     /* the size of all the load commands */
+#    uint32_t   flags;          /* flags */
+# };
+#
+# The 64-bit header is identical in the first three fields, except for a different
+# magic number. We will not touch the magic number, we'll just reset the cputype
+# field to the PowerPC type and the subtype field to zero.
+#
+# We will not change the file's endianness. That means we might create a little-endian
+# PowerPC binary, which could not be run in real life.
+#
+# We will also not change the 64-bit ABI flag, which is found in the cputype's high
+# byte. That means we'll create a PPC64 binary if fed a 64-bit input.
+#
+use strict;
+use constant MH_MAGIC => 0xfeedface;
+use constant MH_CIGAM => 0xcefaedfe;
+use constant MH_MAGIC_64 => 0xfeedfacf;
+use constant MH_CIGAM_64 => 0xcffaedfe;
+use constant CPU_TYPE_POWERPC => 18;
+use constant CPU_SUBTYPE_POWERPC_ALL => 0;
+
+my $infile = shift @ARGV or die("Missing input filename");
+my $outfile = shift @ARGV or die("Missing output filename");
+
+open IN, "<$infile" or die("Can't open $infile for reading: $!\n");
+open OUT, ">$outfile" or die("Can't open $outfile for writing: $!\n");
+
+binmode IN;
+binmode OUT;
+
+# Read the first 12 bytes, which includes the interesting fields of the header
+my $buffer;
+read(IN, $buffer, 12);
+
+my $magic = vec($buffer, 0, 32);
+if ($magic == MH_MAGIC || $magic == MH_MAGIC_64) {
+    # Big endian
+    # The low byte of cputype is at offset 7
+    vec($buffer, 7, 8) = CPU_TYPE_POWERPC;
+} elsif ($magic == MH_CIGAM || $magic == MH_CIGAM_64) {
+    # Little endian
+    # The low byte of cpytype is at offset 4
+    vec($buffer, 4, 8) = CPU_TYPE_POWERPC;
+} else {
+    $magic = '';
+    $magic .= sprintf("%02X ", $_) for unpack("CCCC", $buffer);
+    die("Invalid input. Unknown magic $magic\n");
+}
+vec($buffer, 2, 32) = CPU_SUBTYPE_POWERPC_ALL;
+
+print OUT $buffer;
+
+# Copy the rest
+while (!eof(IN)) {
+    read(IN, $buffer, 4096) and
+    print OUT $buffer or
+    die("Problem copying: $!\n");
+}
+close(IN);
+close(OUT);

tests/auto/corelib/plugin/qpluginloader/machtest/stub.cpp

@@ -0,0 +1 @@
+void dummy() {}

tests/auto/corelib/plugin/qpluginloader/staticplugin/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## staticplugin Generic Library:
+#####################################################################
+
+qt_internal_add_cmake_library(staticplugin
+    STATIC
+    SOURCES
+        main.cpp
+    LIBRARIES
+        Qt::Core
+    MOC_OPTIONS
+        "-M"
+        "ExtraMetaData=StaticPlugin"
+        "-M"
+        "ExtraMetaData=foo"
+)
+
+# TEMPLATE = "lib"
+
+qt_autogen_tools_initial_setup(staticplugin)
+
+target_compile_definitions(staticplugin PRIVATE QT_STATICPLUGIN)

tests/auto/corelib/plugin/qpluginloader/staticplugin/main.cpp

@@ -0,0 +1,14 @@
+// Copyright (C) 2018 Intel Corporation.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#include <QtPlugin>
+#include <QObject>
+
+class StaticPlugin : public QObject
+{
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID "SomeIID" URI "qt.test.pluginloader.staticplugin")
+public:
+    StaticPlugin() {}
+};
+
+#include "main.moc"

tests/auto/corelib/plugin/qpluginloader/theplugin/CMakeLists.txt

@@ -0,0 +1,32 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+qt_internal_add_cmake_library(theplugin
+    MODULE
+    INSTALL_DIRECTORY "${INSTALL_TESTSDIR}/tst_qpluginloader/bin"
+    OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/../bin"
+    SOURCES
+        theplugin.cpp theplugin.h
+    LIBRARIES
+        Qt::Core
+)
+qt_autogen_tools_initial_setup(theplugin)
+
+if (UNIX AND NOT APPLE)
+    qt_internal_add_cmake_library(theoldplugin
+        MODULE
+        INSTALL_DIRECTORY "${INSTALL_TESTSDIR}/tst_qpluginloader/bin"
+        OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/../bin"
+        SOURCES
+            theoldplugin.cpp theoldplugin.h
+        LIBRARIES
+            Qt::Core
+    )
+    qt_autogen_tools_initial_setup(theoldplugin)
+
+    # Force unoptimized builds with debugging information so some "QTMETADATA !"
+    # strings appear elsewhere in the binary.
+    target_compile_options(theplugin PRIVATE -O0 -g3)
+    target_compile_options(theoldplugin PRIVATE -O0 -g3)
+endif()
+

tests/auto/corelib/plugin/qpluginloader/theplugin/plugininterface.h

@@ -0,0 +1,22 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#ifndef PLUGININTERFACE_H
+#define PLUGININTERFACE_H
+
+#include <QtCore/QtGlobal>
+
+struct PluginInterface {
+    virtual ~PluginInterface() {}
+    virtual QString pluginName() const = 0;
+};
+
+QT_BEGIN_NAMESPACE
+
+#define PluginInterface_iid "org.qt-project.Qt.autotests.plugininterface"
+
+Q_DECLARE_INTERFACE(PluginInterface, PluginInterface_iid)
+
+QT_END_NAMESPACE
+
+#endif // PLUGININTERFACE_H
+

tests/auto/corelib/plugin/qpluginloader/theplugin/theoldplugin.cpp

@@ -0,0 +1,80 @@
+// Copyright (C) 2021 Intel Corporation.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#include "theoldplugin.h"
+#include <QtCore/QString>
+#include <QtCore/qplugin.h>
+
+QString TheOldPlugin::pluginName() const
+{
+    return QLatin1String("Plugin ok");
+}
+
+static int pluginVariable = 0xc0ffee;
+extern "C" Q_DECL_EXPORT int *pointerAddress()
+{
+    return &pluginVariable;
+}
+
+// This hardcodes the old plugin metadata from before Qt 6.2
+QT_PLUGIN_METADATA_SECTION
+static constexpr unsigned char qt_pluginMetaData_ThePlugin[] = {
+    'Q', 'T', 'M', 'E', 'T', 'A', 'D', 'A', 'T', 'A', ' ', '!',
+    // metadata version, Qt version, architectural requirements
+    0, QT_VERSION_MAJOR, QT_VERSION_MINOR, qPluginArchRequirements(),
+    0xbf,
+    // "IID"
+    0x02,  0x78,  0x2b,  'o',  'r',  'g',  '.',  'q',
+    't',  '-',  'p',  'r',  'o',  'j',  'e',  'c',
+    't',  '.',  'Q',  't',  '.',  'a',  'u',  't',
+    'o',  't',  'e',  's',  't',  's',  '.',  'p',
+    'l',  'u',  'g',  'i',  'n',  'i',  'n',  't',
+    'e',  'r',  'f',  'a',  'c',  'e',
+    // "className"
+    0x03,  0x69,  'T',  'h',  'e',  'P',  'l',  'u',
+    'g',  'i',  'n',
+    // "MetaData"
+    0x04,  0xa2,  0x67,  'K',  'P',  'l',  'u',  'g',
+    'i',  'n',  0xa8,  0x64,  'N',  'a',  'm',  'e',
+    0x6e,  'W',  'i',  'n',  'd',  'o',  'w',  'G',
+    'e',  'o',  'm',  'e',  't',  'r',  'y',  0x68,
+    'N',  'a',  'm',  'e',  '[',  'm',  'r',  ']',
+    0x78,  0x1f,  uchar('\xe0'), uchar('\xa4'), uchar('\x9a'), uchar('\xe0'), uchar('\xa5'), uchar('\x8c'),
+    uchar('\xe0'), uchar('\xa4'), uchar('\x95'), uchar('\xe0'), uchar('\xa4'), uchar('\x9f'), ' ',  uchar('\xe0'),
+    uchar('\xa4'), uchar('\xad'), uchar('\xe0'), uchar('\xa5'), uchar('\x82'), uchar('\xe0'), uchar('\xa4'), uchar('\xae'),
+    uchar('\xe0'), uchar('\xa4'), uchar('\xbf'), uchar('\xe0'), uchar('\xa4'), uchar('\xa4'), uchar('\xe0'), uchar('\xa5'),
+    uchar('\x80'), 0x68,  'N',  'a',  'm',  'e',  '[',  'p',
+    'a',  ']',  0x78,  0x24,  uchar('\xe0'), uchar('\xa8'), uchar('\xb5'), uchar('\xe0'),
+    uchar('\xa8'), uchar('\xbf'), uchar('\xe0'), uchar('\xa9'), uchar('\xb0'), uchar('\xe0'), uchar('\xa8'), uchar('\xa1'),
+    uchar('\xe0'), uchar('\xa9'), uchar('\x8b'), uchar('\xe0'), uchar('\xa8'), uchar('\x9c'), uchar('\xe0'), uchar('\xa9'),
+    uchar('\x81'), uchar('\xe0'), uchar('\xa8'), uchar('\xae'), uchar('\xe0'), uchar('\xa9'), uchar('\x88'), uchar('\xe0'),
+    uchar('\xa8'), uchar('\x9f'), uchar('\xe0'), uchar('\xa8'), uchar('\xb0'), uchar('\xe0'), uchar('\xa9'), uchar('\x80'),
+    0x68,  'N',  'a',  'm',  'e',  '[',  't',  'h',
+    ']',  0x78,  0x39,  uchar('\xe0'), uchar('\xb8'), uchar('\xa1'), uchar('\xe0'), uchar('\xb8'),
+    uchar('\xb4'), uchar('\xe0'), uchar('\xb8'), uchar('\x95'), uchar('\xe0'), uchar('\xb8'), uchar('\xb4'), uchar('\xe0'),
+    uchar('\xb8'), uchar('\x82'), uchar('\xe0'), uchar('\xb8'), uchar('\x99'), uchar('\xe0'), uchar('\xb8'), uchar('\xb2'),
+    uchar('\xe0'), uchar('\xb8'), uchar('\x94'), uchar('\xe0'), uchar('\xb8'), uchar('\x82'), uchar('\xe0'), uchar('\xb8'),
+    uchar('\xad'), uchar('\xe0'), uchar('\xb8'), uchar('\x87'), uchar('\xe0'), uchar('\xb8'), uchar('\xab'), uchar('\xe0'),
+    uchar('\xb8'), uchar('\x99'), uchar('\xe0'), uchar('\xb9'), uchar('\x89'), uchar('\xe0'), uchar('\xb8'), uchar('\xb2'),
+    uchar('\xe0'), uchar('\xb8'), uchar('\x95'), uchar('\xe0'), uchar('\xb9'), uchar('\x88'), uchar('\xe0'), uchar('\xb8'),
+    uchar('\xb2'), uchar('\xe0'), uchar('\xb8'), uchar('\x87'), 0x68,  'N',  'a',  'm',
+    'e',  '[',  'u',  'k',  ']',  0x78,  0x19,  uchar('\xd0'),
+    uchar('\xa0'), uchar('\xd0'), uchar('\xbe'), uchar('\xd0'), uchar('\xb7'), uchar('\xd0'), uchar('\xbc'), uchar('\xd1'),
+    uchar('\x96'), uchar('\xd1'), uchar('\x80'), uchar('\xd0'), uchar('\xb8'), ' ',  uchar('\xd0'), uchar('\xb2'),
+    uchar('\xd1'), uchar('\x96'), uchar('\xd0'), uchar('\xba'), uchar('\xd0'), uchar('\xbd'), uchar('\xd0'), uchar('\xb0'),
+    0x6b,  'N',  'a',  'm',  'e',  '[',  'z',  'h',
+    '_',  'C',  'N',  ']',  0x6c,  uchar('\xe7'), uchar('\xaa'), uchar('\x97'),
+    uchar('\xe5'), uchar('\x8f'), uchar('\xa3'), uchar('\xe5'), uchar('\xbd'), uchar('\xa2'), uchar('\xe7'), uchar('\x8a'),
+    uchar('\xb6'), 0x6b,  'N',  'a',  'm',  'e',  '[',  'z',
+    'h',  '_',  'T',  'W',  ']',  0x6c,  uchar('\xe8'), uchar('\xa6'),
+    uchar('\x96'), uchar('\xe7'), uchar('\xaa'), uchar('\x97'), uchar('\xe4'), uchar('\xbd'), uchar('\x8d'), uchar('\xe7'),
+    uchar('\xbd'), uchar('\xae'), 0x6c,  'S',  'e',  'r',  'v',  'i',
+    'c',  'e',  'T',  'y',  'p',  'e',  's',  0x81,
+    0x68,  'K',  'C',  'M',  'o',  'd',  'u',  'l',
+    'e',  0x76,  'X',  '-',  'K',  'D',  'E',  '-',
+    'P',  'a',  'r',  'e',  'n',  't',  'C',  'o',
+    'm',  'p',  'o',  'n',  'e',  'n',  't',  's',
+    0x81,  0x6e,  'w',  'i',  'n',  'd',  'o',  'w',
+    'g',  'e',  'o',  'm',  'e',  't',  'r',  'y',
+    0xff,
+};
+QT_MOC_EXPORT_PLUGIN(TheOldPlugin, ThePlugin)

tests/auto/corelib/plugin/qpluginloader/theplugin/theoldplugin.h

@@ -0,0 +1,21 @@
+// Copyright (C) 2021 Intel Corportaion.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#ifndef THEOLDPLUGIN_H
+#define THEOLDPLUGIN_H
+
+#include <QObject>
+#include <QtPlugin>
+#include "plugininterface.h"
+
+class TheOldPlugin : public QObject, public PluginInterface
+{
+    Q_OBJECT
+    // Q_PLUGIN_METADATA intentionally missing
+    Q_INTERFACES(PluginInterface)
+
+public:
+    virtual QString pluginName() const override;
+};
+
+#endif // THEOLDPLUGIN_H
+

tests/auto/corelib/plugin/qpluginloader/theplugin/theplugin.cpp

@@ -0,0 +1,16 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#include <QtCore/QString>
+#include "theplugin.h"
+#include <QtCore/qplugin.h>
+
+QString ThePlugin::pluginName() const
+{
+    return QLatin1String("Plugin ok");
+}
+
+static int pluginVariable = 0xc0ffee;
+extern "C" Q_DECL_EXPORT int *pointerAddress()
+{
+    return &pluginVariable;
+}

tests/auto/corelib/plugin/qpluginloader/theplugin/theplugin.h

@@ -0,0 +1,21 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+#ifndef THEPLUGIN_H
+#define THEPLUGIN_H
+
+#include <QObject>
+#include <QtPlugin>
+#include "plugininterface.h"
+
+class ThePlugin : public QObject, public PluginInterface
+{
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID "org.qt-project.Qt.autotests.plugininterface" FILE "../utf8_data.json")
+    Q_INTERFACES(PluginInterface)
+
+public:
+    virtual QString pluginName() const override;
+};
+
+#endif // THEPLUGIN_H
+

tests/auto/corelib/plugin/qpluginloader/tst/CMakeLists.txt

@@ -0,0 +1,71 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_qpluginloader Test:
+#####################################################################
+
+# Collect test data
+list(APPEND test_data "../elftest")
+list(APPEND test_data "../machtest")
+
+qt_internal_add_test(tst_qpluginloader
+    OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/../"
+    SOURCES
+        ../fakeplugin.cpp
+        ../theplugin/plugininterface.h
+        ../tst_qpluginloader.cpp
+    LIBRARIES
+        staticplugin
+    TESTDATA ${test_data}
+)
+
+add_dependencies(tst_qpluginloader tst_qpluginloaderlib staticplugin theplugin)
+if (UNIX)
+    if(NOT APPLE)
+        add_dependencies(tst_qpluginloader theoldplugin)
+    endif()
+    if (NOT ANDROID AND NOT APPLE)
+        add_dependencies(tst_qpluginloader almostplugin)
+    endif()
+endif()
+
+if(ANDROID)
+    add_compile_definitions(ANDROID_ARCH="${CMAKE_ANDROID_ARCH_ABI}")
+    set(plugins
+        theplugin
+        theoldplugin
+        tst_qpluginloaderlib
+    )
+    set(extra_libs)
+    foreach(plugin IN LISTS plugins)
+        list(APPEND extra_libs
+            "${CMAKE_CURRENT_BINARY_DIR}/../bin/lib${plugin}_${CMAKE_ANDROID_ARCH_ABI}.so")
+    endforeach()
+    set_target_properties(tst_qpluginloader PROPERTIES
+        QT_ANDROID_EXTRA_LIBS "${extra_libs}"
+    )
+endif()
+
+## Scopes:
+#####################################################################
+
+qt_internal_extend_target(tst_qpluginloader CONDITION QT_FEATURE_private_tests
+    LIBRARIES
+        Qt::CorePrivate
+)
+
+qt_internal_extend_target(tst_qpluginloader CONDITION CMAKE_BUILD_TYPE STREQUAL Debug AND WIN32 AND debug_and_release
+    LIBRARIES
+        # Remove: L../staticplugin/debug
+)
+
+qt_internal_extend_target(tst_qpluginloader CONDITION WIN32 AND debug_and_release AND NOT CMAKE_BUILD_TYPE STREQUAL Debug
+    LIBRARIES
+        # Remove: L../staticplugin/release
+)
+
+qt_internal_extend_target(tst_qpluginloader CONDITION UNIX OR NOT debug_and_release
+    LIBRARIES
+        # Remove: L../staticplugin
+)

tests/auto/corelib/plugin/qpluginloader/utf8_data.json

@@ -0,0 +1,17 @@
+{
+    "KPlugin": {
+        "Name": "WindowGeometry",
+        "Name[mr]": "चौकट भूमिती",
+        "Name[pa]": "ਵਿੰਡੋਜੁਮੈਟਰੀ",
+        "Name[th]": "มิติขนาดของหน้าต่าง",
+        "Name[uk]": "Розміри вікна",
+        "Name[zh_CN]": "窗口形状",
+        "Name[zh_TW]": "視窗位置",
+        "ServiceTypes": [
+            "KCModule"
+        ]
+    },
+    "X-KDE-ParentComponents": [
+        "windowgeometry"
+    ]
+}