static void ll_unloadlib (void *lib) {
NSUnLinkModule((NSModule)lib, NSUNLINKMODULE_OPTION_RESET_LAZY_REFERENCES);
}
static int
mydlclose(void *handle)
{
NSUnLinkModule(handle, NSUNLINKMODULE_OPTION_NONE);
return TRUE;
}
int dlclose(void *myModule)
{
NSUnLinkModule(myModule, FALSE);
return(0);
}
static int wx_darwin_dlclose(void *handle)
{
NSUnLinkModule((NSModule)handle, NSUNLINKMODULE_OPTION_NONE);
return 0;
}
int main()
{
// NSObjectFileImage APIs are only available on Mac OS X - not iPhone OS
#if __MAC_OS_X_VERSION_MIN_REQUIRED
int fd = open("test.bundle", O_RDONLY, 0);
if ( fd == -1 ) {
FAIL("open() failed");
return 1;
}
struct stat stat_buf;
if ( fstat(fd, &stat_buf) == -1) {
FAIL("fstat() failed");
return 0;
}
void* loadAddress = mmap(NULL, stat_buf.st_size, PROT_READ, MAP_FILE | MAP_PRIVATE, fd, 0);
if ( loadAddress == ((void*)(-1)) ) {
FAIL("mmap() failed");
return 0;
}
close(fd);
NSObjectFileImage ofi;
if ( NSCreateObjectFileImageFromMemory(loadAddress, stat_buf.st_size, &ofi) != NSObjectFileImageSuccess ) {
FAIL("NSCreateObjectFileImageFromMemory failed");
return 0;
}
NSModule mod = NSLinkModule(ofi, "he_he", NSLINKMODULE_OPTION_NONE);
if ( mod == NULL ) {
FAIL("NSLinkModule failed");
return 0;
}
// look for he_he string in list of images loaded
struct dyld_all_image_infos* infos = getImageInfosFromKernel();
if ( infos->infoArrayCount < 2 ) {
FAIL("bundle-memory-load-all-images: dyld_all_image_infos.infoArrayCount is < 2");
return 0;
}
bool found = false;
for( int i=0; i < infos->infoArrayCount; ++i) {
//fprintf(stderr, "infos->infoArray[%d].imageLoadAddress=%p %s\n", i, infos->infoArray[i].imageLoadAddress, infos->infoArray[i].imageFilePath);
if ( infos->infoArray[i].imageFilePath == NULL ) {
FAIL("bundle-memory-load-all-images: NULL image path found");
exit(0);
}
if ( strcmp(infos->infoArray[i].imageFilePath, "he_he") == 0 )
found = true;
}
if ( !found ) {
FAIL("bundle-memory-load-all-images: loaded memory bundle 'he_he' nout found");
return 0;
}
if ( !NSUnLinkModule(mod, NSUNLINKMODULE_OPTION_NONE) ) {
FAIL("NSUnLinkModule failed");
return 0;
}
if ( !NSDestroyObjectFileImage(ofi) ) {
FAIL("NSDestroyObjectFileImage failed");
return 0;
}
// Should check that loadAddress is unmmaped now (by call to NSDestroyObjectFileImage)
#endif
PASS("bundle-memory-load-all-images");
return 0;
}
int dlclose(void *handle)
{
NSUnLinkModule((NSModule)handle, NSUNLINKMODULE_OPTION_NONE);
return 0;
}
void * Instance_Module_Load(const char * libLocation, const char * name, void ** Load, void ** Unload)
{
char fileName[MAX_LOCATION];
char extension[MAX_EXTENSION];
void * library = null;
#if defined(__unix__) || defined(__APPLE__)
int attempts = 0;
char * paths[] = { null, "/usr/lib/ec/lib", "/usr/lib32/ec/lib" };
#endif
*Load = null;
*Unload = null;
#if defined(__WIN32__)
strcpy(fileName, name);
GetExtension(fileName, extension);
if(!extension[0])
strcat(fileName, ".dll");
{
uint16 _wfileName[MAX_LOCATION];
UTF8toUTF16Buffer(fileName, _wfileName, MAX_LOCATION);
library = LoadLibraryW(_wfileName);
}
if(library)
{
#ifdef _WIN64
*Load = (void *)GetProcAddress(library, "__ecereDll_Load");
*Unload = (void *)GetProcAddress(library, "__ecereDll_Unload");
#else
*Load = (void *)GetProcAddress(library, "__ecereDll_Load@4");
*Unload = (void *)GetProcAddress(library, "__ecereDll_Unload@4");
#endif
if(!*Load)
FreeLibrary(library);
}
#elif defined(__unix__) || defined(__APPLE__)
if(libLocation || strchr(name, '/'))
strcpy(fileName, libLocation ? libLocation : "");
else
strcpy(fileName, "lib");
strcat(fileName, name);
GetExtension(fileName, extension);
if(!extension[0])
#if defined(__APPLE__)
strcat(fileName, ".dylib");
#else
strcat(fileName, ".so");
#endif
#if !defined(__EMSCRIPTEN__)
// dlerror();
library = dlopen(fileName, RTLD_LAZY);
// if(!library)
// printf("Error opening %s: %s", fileName, dlerror());
#endif
while(!library && attempts < sizeof(paths)/sizeof(paths[0]))
{
if(paths[attempts])
strcpy(fileName, paths[attempts++]);
else
{
attempts++;
#ifdef DEB_HOST_MULTIARCH
strcpy(fileName, DEB_HOST_MULTIARCH);
strcat(fileName, "/ec/lib");
#else
continue;
#endif
}
strcat(fileName, name);
GetExtension(fileName, extension);
if(!extension[0])
#if defined(__APPLE__)
strcat(fileName, ".dylib");
#else
strcat(fileName, ".so");
#endif
#if !defined(__EMSCRIPTEN__)
library = dlopen(fileName, RTLD_LAZY);
#endif
}
if(library)
{
*Load = dlsym(library, "__ecereDll_Load");
*Unload = dlsym(library, "__ecereDll_Unload");
#if !defined(__EMSCRIPTEN__)
if(!*Load)
dlclose(library);
#endif
}
#elif defined(__APPLE__)
if(libLocation || strchr(name, '/'))
strcpy(fileName, libLocation ? libLocation : "");
else
strcpy(fileName, "lib");
strcat(fileName, name);
GetExtension(fileName, extension);
if(!extension[0])
strcat(fileName, ".dylib");
{
NSObjectFileImage *fileImage;
NSObjectFileImageReturnCode returnCode = NSCreateObjectFileImageFromFile(fileName, &fileImage);
if(returnCode == NSObjectFileImageSuccess)
{
printf("NSObjectFileImageSuccess!\n");
library = NSLinkModule(fileImage,fileName,
NSLINKMODULE_OPTION_RETURN_ON_ERROR
| NSLINKMODULE_OPTION_PRIVATE);
// NSDestroyObjectFileImage(fileImage);
if(library)
{
*Load = NSAddressOfSymbol(NSLookupSymbolInModule(library, "__ecereDll_Load"));
*Unload = NSAddressOfSymbol(NSLookupSymbolInModule(library, "__ecereDll_Unload"));
if(!*Load)
{
NSUnLinkModule(library, 0);
}
else
printf("Found Load!\n");
}
}
else
printf("No Success :(\n");
}
#endif
return library;
}
static void checkBundle(const char* path, bool unlinkBeforeDestroy)
{
int fd = open(path, O_RDONLY, 0);
if ( fd == -1 ) {
printf("[FAIL] open(%s) failed", path);
exit(0);
}
struct stat stat_buf;
if ( fstat(fd, &stat_buf) == -1) {
printf("[FAIL] fstat() failed\n");
exit(0);
}
void* loadAddress = mmap(NULL, stat_buf.st_size, PROT_READ, MAP_FILE | MAP_PRIVATE, fd, 0);
if ( loadAddress == ((void*)(-1)) ) {
printf("[FAIL] mmap() failed\n");
exit(0);
}
close(fd);
NSObjectFileImage ofi;
if ( NSCreateObjectFileImageFromMemory(loadAddress, stat_buf.st_size, &ofi) != NSObjectFileImageSuccess ) {
printf("[FAIL] NSCreateObjectFileImageFromMemory failed\n");
exit(0);
}
NSModule mod = NSLinkModule(ofi, path, NSLINKMODULE_OPTION_NONE);
if ( mod == NULL ) {
printf("[FAIL] NSLinkModule failed\n");
exit(0);
}
if ( !unlinkBeforeDestroy ) {
// API lets you destroy ofi and NSModule lives on
if ( !NSDestroyObjectFileImage(ofi) ) {
printf("[FAIL] NSDestroyObjectFileImage failed\n");
exit(0);
}
}
NSSymbol sym = NSLookupSymbolInModule(mod, "_fooInBundle");
if ( sym == NULL ) {
printf("[FAIL] NSLookupSymbolInModule failed\n");
exit(0);
}
void* func = NSAddressOfSymbol(sym);
if ( func == NULL ) {
printf("[FAIL] NSAddressOfSymbol failed\n");
exit(0);
}
Dl_info info;
if ( dladdr(func, &info) == 0 ) {
printf("[FAIL] dladdr(&p, xx) failed\n");
exit(0);
}
//printf("_fooInBundle found in %s\n", info.dli_fname);
if ( !NSUnLinkModule(mod, NSUNLINKMODULE_OPTION_NONE) ) {
printf("[FAIL] NSUnLinkModule failed\n");
exit(0);
}
if ( dladdr(func, &info) != 0 ) {
printf("[FAIL] dladdr(&p, xx) found but should not have\n");
exit(0);
}
if ( unlinkBeforeDestroy ) {
if ( !NSDestroyObjectFileImage(ofi) ) {
printf("[FAIL] NSDestroyObjectFileImage failed\n");
exit(0);
}
}
}
dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
const char *pathname, FILE *fp)
{
dl_funcptr p = NULL;
char funcname[258];
NSObjectFileImageReturnCode rc;
NSObjectFileImage image;
NSModule newModule;
NSSymbol theSym;
const char *errString;
char errBuf[512];
PyOS_snprintf(funcname, sizeof(funcname), "_init%.200s", shortname);
#ifdef USE_DYLD_GLOBAL_NAMESPACE
if (NSIsSymbolNameDefined(funcname)) {
theSym = NSLookupAndBindSymbol(funcname);
p = (dl_funcptr)NSAddressOfSymbol(theSym);
return p;
}
#endif
rc = NSCreateObjectFileImageFromFile(pathname, &image);
switch(rc) {
default:
case NSObjectFileImageFailure:
case NSObjectFileImageFormat:
/* for these a message is printed on stderr by dyld */
errString = "Can't create object file image";
break;
case NSObjectFileImageSuccess:
errString = NULL;
break;
case NSObjectFileImageInappropriateFile:
errString = "Inappropriate file type for dynamic loading";
break;
case NSObjectFileImageArch:
errString = "Wrong CPU type in object file";
break;
case NSObjectFileImageAccess:
errString = "Can't read object file (no access)";
break;
}
if (errString == NULL) {
newModule = NSLinkModule(image, pathname, LINKOPTIONS);
if (newModule == NULL) {
int errNo;
const char *fileName, *moreErrorStr;
NSLinkEditErrors c;
NSLinkEditError( &c, &errNo, &fileName, &moreErrorStr );
PyOS_snprintf(errBuf, 512, "Failure linking new module: %s: %s",
fileName, moreErrorStr);
errString = errBuf;
}
}
if (errString != NULL) {
PyErr_SetString(PyExc_ImportError, errString);
return NULL;
}
#ifdef USE_DYLD_GLOBAL_NAMESPACE
if (!NSIsSymbolNameDefined(funcname)) {
/* UnlinkModule() isn't implemented in current versions, but calling it does no harm */
NSUnLinkModule(newModule, FALSE);
PyErr_Format(PyExc_ImportError,
"Loaded module does not contain symbol %.200s",
funcname);
return NULL;
}
theSym = NSLookupAndBindSymbol(funcname);
#else
theSym = NSLookupSymbolInModule(newModule, funcname);
if ( theSym == NULL ) {
NSUnLinkModule(newModule, FALSE);
PyErr_Format(PyExc_ImportError,
"Loaded module does not contain symbol %.200s",
funcname);
return NULL;
}
#endif
p = (dl_funcptr)NSAddressOfSymbol(theSym);
return p;
}
int main()
{
// NSCreateObjectFileImageFromMemory is only available on Mac OS X - not iPhone OS
#if __MAC_OS_X_VERSION_MIN_REQUIRED
NSObjectFileImage ofi;
if ( NSCreateObjectFileImageFromFile("test.bundle", &ofi) != NSObjectFileImageSuccess ) {
FAIL("NSCreateObjectFileImageFromFile failed");
return 0;
}
NSModule mod = NSLinkModule(ofi, "test.bundle", NSLINKMODULE_OPTION_NONE);
if ( mod == NULL ) {
FAIL("NSLinkModule failed");
return 0;
}
NSSymbol sym = NSLookupSymbolInModule(mod, "_setValue");
if ( sym == NULL ) {
FAIL("NSLookupSymbolInModule failed");
return 0;
}
setter func = NSAddressOfSymbol(sym);
(*func)(1);
//fprintf(stderr, "address of foo() = %p in bundle first load %p\n", func, mod);
NSModule mod2 = NSLinkModule(ofi, "test2.bundle", NSLINKMODULE_OPTION_NONE);
if ( mod2 == NULL ) {
NSLinkEditErrors c; int errorNumber; const char* fileName; const char* errorString;
NSLinkEditError(&c, &errorNumber, &fileName, &errorString);
FAIL("2nd NSLinkModule failed: %s", errorString);
return 0;
}
if ( mod == mod2 ) {
FAIL("2nd NSLinkModule return same function address as first");
return 0;
}
NSSymbol sym2getter = NSLookupSymbolInModule(mod2, "_getValue");
if ( sym2getter == NULL ) {
FAIL("2nd NSLookupSymbolInModule failed");
return 0;
}
getter func2getter = NSAddressOfSymbol(sym2getter);
if ( (*func2getter)() != 0 ) {
FAIL("_getValue() on second link returned non-zero");
return 0;
}
NSSymbol sym2 = NSLookupSymbolInModule(mod2, "_setValue");
if ( sym2 == NULL ) {
FAIL("2nd NSLookupSymbolInModule failed");
return 0;
}
setter func2 = NSAddressOfSymbol(sym2);
(*func2)(2);
//fprintf(stderr, "address of foo() = %p in bundle second load %p\n", func2, mod2);
if ( func == func2 ) {
FAIL("2nd NSAddressOfSymbol return same function address as 1st");
return 0;
}
NSModule mod3 = NSLinkModule(ofi, "test3.bundle", NSLINKMODULE_OPTION_NONE);
if ( mod3 == NULL ) {
FAIL("3rd NSLinkModule failed");
return 0;
}
if ( mod3 == mod ) {
FAIL("3rd NSLinkModule return same function address as 1st");
return 0;
}
if ( mod3 == mod2 ) {
FAIL("3rd NSLinkModule return same function address as 2nd");
return 0;
}
NSSymbol sym3 = NSLookupSymbolInModule(mod3, "_setValue");
if ( sym3 == NULL ) {
FAIL("3rd NSLookupSymbolInModule failed");
return 0;
}
setter func3 = NSAddressOfSymbol(sym3);
(*func3)(3);
//fprintf(stderr, "address of foo() = %p in bundle third load %p\n", func3, mod3);
if ( func3 == func ) {
FAIL("3rd NSAddressOfSymbol return same function address as 1st");
return 0;
}
if ( func3 == func2 ) {
FAIL("3rd NSAddressOfSymbol return same function address as 2nd");
return 0;
}
if ( !NSUnLinkModule(mod, NSUNLINKMODULE_OPTION_NONE) ) {
FAIL("NSUnLinkModule failed");
return 0;
}
if ( !NSUnLinkModule(mod3, NSUNLINKMODULE_OPTION_NONE) ) {
FAIL("3rd NSUnLinkModule failed");
return 0;
}
if ( !NSUnLinkModule(mod2, NSUNLINKMODULE_OPTION_NONE) ) {
FAIL("2nd NSUnLinkModule failed");
return 0;
}
// now link again after unlinking everything
NSModule mod4 = NSLinkModule(ofi, "test4.bundle", NSLINKMODULE_OPTION_NONE);
if ( mod4 == NULL ) {
FAIL("4th NSLinkModule failed");
return 0;
}
// check that this is really a new copy by verifying the getValue() returns zero
NSSymbol sym4getter = NSLookupSymbolInModule(mod4, "_getValue");
if ( sym4getter == NULL ) {
FAIL("4th NSLookupSymbolInModule failed");
return 0;
}
getter func4getter = NSAddressOfSymbol(sym4getter);
if ( (*func4getter)() != 0 ) {
FAIL("_getValue() on fourth link returned non-zero");
return 0;
}
if ( !NSUnLinkModule(mod4, NSUNLINKMODULE_OPTION_NONE) ) {
FAIL("4th NSUnLinkModule failed");
return 0;
}
if ( !NSDestroyObjectFileImage(ofi) ) {
FAIL("NSDestroyObjectFileImage failed");
return 0;
}
#endif
PASS("bundle-multi-link");
return 0;
}
void
unloadSharedObject (void *object) {
NSModule module = object;
NSUnLinkModule(module, NSUNLINKMODULE_OPTION_NONE);
}
void * Instance_Module_Load(char * name, void ** Load, void ** Unload)
{
char fileName[MAX_LOCATION];
char extension[MAX_EXTENSION];
void * library = null;
*Load = null;
*Unload = null;
#if defined(__WIN32__)
strcpy(fileName, name);
GetExtension(fileName, extension);
if(!extension[0])
strcat(fileName, ".dll");
{
uint16 _wfileName[MAX_LOCATION];
UTF8toUTF16Buffer(fileName, _wfileName, MAX_LOCATION);
library = LoadLibraryW(_wfileName);
}
if(library)
{
*Load = (void *)GetProcAddress(library, "__ecereDll_Load@4");
*Unload = (void *)GetProcAddress(library, "__ecereDll_Unload@4");
if(!*Load)
FreeLibrary(library);
}
#elif defined(__unix__) || defined(__APPLE__)
strcpy(fileName, "lib");
strcat(fileName, name);
GetExtension(fileName, extension);
if(!extension[0])
#if defined(__APPLE__)
strcat(fileName, ".dylib");
#else
strcat(fileName, ".so");
#endif
library = dlopen(fileName, RTLD_LAZY);
if(library)
{
*Load = dlsym(library, "__ecereDll_Load");
*Unload = dlsym(library, "__ecereDll_Unload");
if(!*Load)
dlclose(library);
}
#elif defined(__APPLE__)
strcpy(fileName, "lib");
strcat(fileName, name);
GetExtension(fileName, extension);
if(!extension[0])
strcat(fileName, ".dylib");
{
NSObjectFileImage *fileImage;
NSObjectFileImageReturnCode returnCode = NSCreateObjectFileImageFromFile(fileName, &fileImage);
if(returnCode == NSObjectFileImageSuccess)
{
printf("NSObjectFileImageSuccess!\n");
library = NSLinkModule(fileImage,fileName,
NSLINKMODULE_OPTION_RETURN_ON_ERROR
| NSLINKMODULE_OPTION_PRIVATE);
// NSDestroyObjectFileImage(fileImage);
if(library)
{
*Load = NSAddressOfSymbol(NSLookupSymbolInModule(library, "__ecereDll_Load"));
*Unload = NSAddressOfSymbol(NSLookupSymbolInModule(library, "__ecereDll_Unload"));
if(!*Load)
{
NSUnLinkModule(library, 0);
}
else
printf("Found Load!\n");
}
}
else
printf("No Success :(\n");
}
#endif
return library;
}
void
pg_dlclose(void *handle)
{
NSUnLinkModule(handle, FALSE);
}
int vmddlclose( void *handle ) {
NSModule module = (NSModule *)handle;
NSUnLinkModule(module, NSUNLINKMODULE_OPTION_NONE);
return 0;
}
