PVOID UserContext)
#endif
{
- llvm::sys::SmartScopedWriter<true> Writer(&SymbolsLock);
// Ignore VC++ runtimes prior to 7.1. Somehow some of them get loaded
// into the process.
if (stricmp(ModuleName, "msvci70") != 0 &&
// Mingw32 uses msvcrt.dll by default. Don't ignore it.
// Otherwise, user should be aware, what he's doing :)
stricmp(ModuleName, "msvcrt") != 0 &&
-#endif
+#endif
stricmp(ModuleName, "msvcrt20") != 0 &&
stricmp(ModuleName, "msvcrt40") != 0) {
OpenedHandles.push_back((HMODULE)ModuleBase);
}
}
-DynamicLibrary::DynamicLibrary() : handle(0) {
- SmartScopedWriter<true> Writer(&SymbolsLock);
- handle = GetModuleHandle(NULL);
- OpenedHandles.push_back((HMODULE)handle);
-}
-
-DynamicLibrary::~DynamicLibrary() {
- llvm::sys::SmartScopedWriter<true> Writer(&SymbolsLock);
- if (handle == 0)
- return;
-
- // GetModuleHandle() does not increment the ref count, so we must not free
- // the handle to the executable.
- if (handle != GetModuleHandle(NULL))
- FreeLibrary((HMODULE)handle);
- handle = 0;
-
- for (std::vector<HMODULE>::iterator I = OpenedHandles.begin(),
- E = OpenedHandles.end(); I != E; ++I) {
- if (*I == handle) {
- // Note: don't use the swap/pop_back trick here. Order is important.
- OpenedHandles.erase(I);
- }
- }
-}
-
bool DynamicLibrary::LoadLibraryPermanently(const char *filename,
std::string *ErrMsg) {
if (filename) {
- llvm::sys::SmartScopedWriter<true> Writer(&SymbolsLock);
HMODULE a_handle = LoadLibrary(filename);
if (a_handle == 0)
extern "C" { extern void *SYM; }
#if defined(__MINGW32__)
- EXPLICIT_SYMBOL_DEF(_alloca);
- EXPLICIT_SYMBOL_DEF(__main);
- EXPLICIT_SYMBOL_DEF(__ashldi3);
- EXPLICIT_SYMBOL_DEF(__ashrdi3);
- EXPLICIT_SYMBOL_DEF(__cmpdi2);
- EXPLICIT_SYMBOL_DEF(__divdi3);
- EXPLICIT_SYMBOL_DEF(__fixdfdi);
- EXPLICIT_SYMBOL_DEF(__fixsfdi);
- EXPLICIT_SYMBOL_DEF(__fixunsdfdi);
- EXPLICIT_SYMBOL_DEF(__fixunssfdi);
- EXPLICIT_SYMBOL_DEF(__floatdidf);
- EXPLICIT_SYMBOL_DEF(__floatdisf);
- EXPLICIT_SYMBOL_DEF(__lshrdi3);
- EXPLICIT_SYMBOL_DEF(__moddi3);
- EXPLICIT_SYMBOL_DEF(__udivdi3);
- EXPLICIT_SYMBOL_DEF(__umoddi3);
+ EXPLICIT_SYMBOL_DEF(_alloca)
+ EXPLICIT_SYMBOL_DEF(__main)
+ EXPLICIT_SYMBOL_DEF(__ashldi3)
+ EXPLICIT_SYMBOL_DEF(__ashrdi3)
+ EXPLICIT_SYMBOL_DEF(__cmpdi2)
+ EXPLICIT_SYMBOL_DEF(__divdi3)
+ EXPLICIT_SYMBOL_DEF(__fixdfdi)
+ EXPLICIT_SYMBOL_DEF(__fixsfdi)
+ EXPLICIT_SYMBOL_DEF(__fixunsdfdi)
+ EXPLICIT_SYMBOL_DEF(__fixunssfdi)
+ EXPLICIT_SYMBOL_DEF(__floatdidf)
+ EXPLICIT_SYMBOL_DEF(__floatdisf)
+ EXPLICIT_SYMBOL_DEF(__lshrdi3)
+ EXPLICIT_SYMBOL_DEF(__moddi3)
+ EXPLICIT_SYMBOL_DEF(__udivdi3)
+ EXPLICIT_SYMBOL_DEF(__umoddi3)
#elif defined(_MSC_VER)
- EXPLICIT_SYMBOL_DEF(_alloca_probe);
+ EXPLICIT_SYMBOL_DEF(_alloca_probe)
#endif
#endif
void* DynamicLibrary::SearchForAddressOfSymbol(const char* symbolName) {
// First check symbols added via AddSymbol().
- SymbolsLock.reader_acquire();
- std::map<std::string, void *>::iterator I = symbols.find(symbolName);
- std::map<std::string, void *>::iterator E = symbols.end();
- SymbolsLock.reader_release();
- if (I != E)
- return I->second;
+ if (ExplicitSymbols) {
+ std::map<std::string, void *>::iterator I =
+ ExplicitSymbols->find(symbolName);
+ std::map<std::string, void *>::iterator E = ExplicitSymbols->end();
+ if (I != E)
+ return I->second;
+ }
// Now search the libraries.
- SymbolsLock.writer_acquire();
for (std::vector<HMODULE>::iterator I = OpenedHandles.begin(),
E = OpenedHandles.end(); I != E; ++I) {
FARPROC ptr = GetProcAddress((HMODULE)*I, symbolName);
if (ptr) {
- SymbolsLock.writer_release();
return (void *) ptr;
}
}
- SymbolsLock.writer_release();
#if defined(__MINGW32__)
{
EXPLICIT_SYMBOL2(alloca, _alloca);
#undef EXPLICIT_SYMBOL
#undef EXPLICIT_SYMBOL2
-#undef EXPLICIT_SYMBOL_DEF
+#undef EXPLICIT_SYMBOL_DEF
}
#elif defined(_MSC_VER)
{
EXPLICIT_SYMBOL2(_alloca, _alloca_probe);
#undef EXPLICIT_SYMBOL
#undef EXPLICIT_SYMBOL2
-#undef EXPLICIT_SYMBOL_DEF
- }
+#undef EXPLICIT_SYMBOL_DEF
+ }
#endif
return 0;