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153 lines
4.7 KiB
153 lines
4.7 KiB
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing#kwsys for details. */
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#include "kwsysPrivate.h"
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#include KWSYS_HEADER(DynamicLoader.hxx)
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#if defined(__BEOS__) || defined(__HAIKU__)
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# include <be/kernel/OS.h> /* disable_debugger() API. */
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#endif
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// Needed for __GLIBC__ test macro.
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#ifdef __linux__
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# include <features.h>
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#endif
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// Will define LIBDL_SO macro on systems with glibc.
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#ifdef __GLIBC__
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# include <gnu/lib-names.h>
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// Define to LIBC_SO, if not defined by above header.
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# ifndef LIBDL_SO
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# define LIBDL_SO LIBC_SO
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# endif
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#endif
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// Define the LIBDL_SO macro, if not defined above.
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#ifndef LIBDL_SO
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# define LIBDL_SO "libdl.so"
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#endif
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// Work-around CMake dependency scanning limitation. This must
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// duplicate the above list of headers.
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#if 0
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# include "DynamicLoader.hxx.in"
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#endif
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#include <iostream>
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#include <string>
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// Include with <> instead of "" to avoid getting any in-source copy
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// left on disk.
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#include <testSystemTools.h>
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static std::string GetLibName(const char* lname, const char* subdir = nullptr)
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{
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// Construct proper name of lib
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std::string slname;
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slname = RUNTIME_OUTPUT_DIRECTORY;
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if (subdir) {
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slname += "/";
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slname += subdir;
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}
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#ifdef CMAKE_INTDIR
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slname += "/";
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slname += CMAKE_INTDIR;
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#endif
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slname += "/";
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slname += kwsys::DynamicLoader::LibPrefix();
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slname += lname;
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slname += kwsys::DynamicLoader::LibExtension();
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return slname;
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}
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/* libname = Library name (proper prefix, proper extension)
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* System = symbol to lookup in libname
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* r1: should OpenLibrary succeed ?
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* r2: should GetSymbolAddress succeed ?
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* r3: should CloseLibrary succeed ?
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*/
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static int TestDynamicLoader(const char* libname, const char* symbol, int r1,
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int r2, int r3, int flags = 0)
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{
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std::cerr << "Testing: " << libname << std::endl;
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kwsys::DynamicLoader::LibraryHandle l =
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kwsys::DynamicLoader::OpenLibrary(libname, flags);
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// If result is incompatible with expectation just fails (xor):
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if ((r1 && !l) || (!r1 && l)) {
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std::cerr << "OpenLibrary: " << kwsys::DynamicLoader::LastError()
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<< std::endl;
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return 1;
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}
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kwsys::DynamicLoader::SymbolPointer f =
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kwsys::DynamicLoader::GetSymbolAddress(l, symbol);
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if ((r2 && !f) || (!r2 && f)) {
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std::cerr << "GetSymbolAddress: " << kwsys::DynamicLoader::LastError()
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<< std::endl;
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return 1;
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}
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#ifndef __APPLE__
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int s = kwsys::DynamicLoader::CloseLibrary(l);
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if ((r3 && !s) || (!r3 && s)) {
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std::cerr << "CloseLibrary: " << kwsys::DynamicLoader::LastError()
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<< std::endl;
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return 1;
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}
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#else
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(void)r3;
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#endif
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return 0;
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}
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int testDynamicLoader(int argc, char* argv[])
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{
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#if defined(_WIN32)
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SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX);
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#elif defined(__BEOS__) || defined(__HAIKU__)
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disable_debugger(1);
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#endif
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int res = 0;
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if (argc == 3) {
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// User specify a libname and symbol to check.
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res = TestDynamicLoader(argv[1], argv[2], 1, 1, 1);
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return res;
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}
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// dlopen() on Syllable before 11/22/2007 doesn't return 0 on error
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#ifndef __SYLLABLE__
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// Make sure that inexistent lib is giving correct result
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res += TestDynamicLoader("azerty_", "foo_bar", 0, 0, 0);
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// Make sure that random binary file cannot be assimilated as dylib
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res += TestDynamicLoader(TEST_SYSTEMTOOLS_SOURCE_DIR "/testSystemTools.bin",
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"wp", 0, 0, 0);
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#endif
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#ifdef __linux__
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// This one is actually fun to test, since dlopen is by default
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// loaded...wonder why :)
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res += TestDynamicLoader("foobar.lib", "dlopen", 0, 1, 0);
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res += TestDynamicLoader(LIBDL_SO, "dlopen", 1, 1, 1);
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res += TestDynamicLoader(LIBDL_SO, "TestDynamicLoader", 1, 0, 1);
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#endif
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// Now try on the generated library
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std::string libname = GetLibName(KWSYS_NAMESPACE_STRING "TestDynload");
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res += TestDynamicLoader(libname.c_str(), "dummy", 1, 0, 1);
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res += TestDynamicLoader(libname.c_str(), "TestDynamicLoaderSymbolPointer",
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1, 1, 1);
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res += TestDynamicLoader(libname.c_str(), "_TestDynamicLoaderSymbolPointer",
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1, 0, 1);
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res += TestDynamicLoader(libname.c_str(), "TestDynamicLoaderData", 1, 1, 1);
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res += TestDynamicLoader(libname.c_str(), "_TestDynamicLoaderData", 1, 0, 1);
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#ifdef _WIN32
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libname = GetLibName(KWSYS_NAMESPACE_STRING "TestDynloadUse", "dynloaddir");
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res += TestDynamicLoader(libname.c_str(), "dummy", 0, 0, 0);
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res += TestDynamicLoader(libname.c_str(), "TestLoad", 1, 1, 1,
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kwsys::DynamicLoader::SearchBesideLibrary);
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res += TestDynamicLoader(libname.c_str(), "_TestLoad", 1, 0, 1,
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kwsys::DynamicLoader::SearchBesideLibrary);
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#endif
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return res;
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}
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