1 #include <new> 2 #include <exception> 3 #include <cstdio> 4 5 /* Stubbed out in libdl and defined in the dynamic linker. 6 * Same semantics as __gnu_Unwind_Find_exidx(). 7 */ 8 typedef long unsigned int *_Unwind_Ptr; 9 extern "C" _Unwind_Ptr dl_unwind_find_exidx(_Unwind_Ptr pc, int *pcount); 10 extern "C" _Unwind_Ptr __gnu_Unwind_Find_exidx(_Unwind_Ptr pc, int *pcount) 11 { 12 _Unwind_Ptr ret_pc; 13 printf("%p -> ", pc); 14 ret_pc = dl_unwind_find_exidx(pc, pcount); 15 printf("%p %d\n", ret_pc, *pcount); 16 return ret_pc; 17 } 18 static void* g_func_ptr; 19 20 static void foo(void) 21 { 22 try 23 { 24 ::printf("Hello "); 25 throw std::exception(); 26 } catch (const std::exception &e) 27 { 28 ::printf(" World!\n"); 29 } 30 } 31 32 int main(int argc, char** argv) 33 { 34 int count; 35 g_func_ptr = (void*)__gnu_Unwind_Find_exidx; 36 37 __gnu_Unwind_Find_exidx((_Unwind_Ptr)main, &count); // This one succeed 38 39 // This one crash on Android <= 2.1. 40 // The lcoal __gnu_Unwind_Find_exidx() isn't even called. 41 // Need to recompile Android 2.1 from source and debug platform from there 42 foo(); 43 return 0; 44 } 45
