1 /* 2 * ThreadX C++ Library Support 3 * 4 * Copyright 1983-2019 Green Hills Software LLC. 5 * 6 * This program is the property of Green Hills Software LLC., 7 * its contents are proprietary information and no part of it 8 * is to be disclosed to anyone except employees of Green Hills 9 * Software LLC., or as agreed in writing signed by the President 10 * of Green Hills Software LLC. 11 */ 12 #include "tx_ghs.h" 13 #define TX_DISABLE_ERROR_CHECKING 14 #include "tx_api.h" 15 16 /* 17 C++ Exception Handling 18 ====================== 19 20 These routines allow C++ exceptions to be used in multiple threads. 21 The default implementation uses __ghs_GetThreadLocalStorageItem 22 to return a thread-specific __eh_globals pointer. 23 24 */ 25 26 #if defined(__ghs) && (__GHS_VERSION_NUMBER >= 560) 27 #ifdef _WIN32 28 /* Windows uses a different linker, so include a stub routine, never called, 29 to pull in __cpp_exception_init and __cpp_exception_cleanup */ 30 extern void __cpp_exception_init(void **); 31 extern void __cpp_exception_cleanup(void **); __tx_win32_pull_in_exceptions(void)32void __tx_win32_pull_in_exceptions(void) { 33 __cpp_exception_init(0); 34 __cpp_exception_cleanup(0); 35 } 36 #else 37 #pragma ghs reference __cpp_exception_init 38 #pragma ghs reference __cpp_exception_cleanup 39 #endif 40 41 /* Must be called after __cpp_exception_init() is called to allocate 42 * and initialize the per-thread exception handling structure */ __get_eh_globals(void)43void *__get_eh_globals(void) 44 { 45 return *(void **)__ghs_GetThreadLocalStorageItem(__ghs_TLS___eh_globals); 46 } 47 #endif 48
