Usermode/Libraries/libc++.so_src/misc.cc

   1 /*
   2  * Acess2 C++ Library
   3  * - By John Hodge (thePowersGang)
   4  *
   5  * misc.cc
   6  * - Miscelanious functions
   7  */
   8 #include <string.h>
   9 #include <acess/sys.h>
  10 #include <exception>
  11
  12 extern "C" int SoMain()
  13 {
  14         //extern void _init();
  15         //_init();
  16         // nope
  17         return 0;
  18 }
  19
  20 extern "C" void __cxa_pure_virtual()
  21 {
  22         // dunno
  23         ::_SysDebug("__cxa_pure_virtual by %p", __builtin_return_address(0));
  24         ::std::terminate();
  25 }
  26
  27
  28 // DSO Support
  29 #define MAX_ATEXIT      32
  30 static struct {
  31         void (*destructor) (void *);
  32         void    *arg;
  33         void    *dso_handle;
  34 } __cxa_atexit_funcs[MAX_ATEXIT];
  35 static int      __cxa_atexit_func_count;
  36
  37 extern "C" int __cxa_atexit(void (*destructor) (void *), void *arg, void *dso_handle)
  38 {
  39         if( __cxa_atexit_func_count == MAX_ATEXIT )
  40         {
  41                 return 1;
  42         }
  43
  44         __cxa_atexit_funcs[__cxa_atexit_func_count].destructor = destructor;
  45         __cxa_atexit_funcs[__cxa_atexit_func_count].arg = arg;
  46         __cxa_atexit_funcs[__cxa_atexit_func_count].dso_handle = dso_handle;
  47         __cxa_atexit_func_count ++;
  48         return 0;
  49 }
  50
  51 extern "C" void __cxa_finalize(void *f)
  52 {
  53         if( f == 0 )
  54         {
  55                 for( int i = __cxa_atexit_func_count; i --; )
  56                 {
  57                         if( __cxa_atexit_funcs[i].dso_handle == f )
  58                         {
  59                                 __cxa_atexit_funcs[i].destructor(__cxa_atexit_funcs[i].arg);
  60                                 memmove(
  61                                         &__cxa_atexit_funcs[i],
  62                                         &__cxa_atexit_funcs[i+1],
  63                                         (__cxa_atexit_func_count-i)*sizeof(__cxa_atexit_funcs[0])
  64                                         );
  65                                 i ++;
  66                                 __cxa_atexit_func_count --;
  67                         }
  68                 }
  69         }
  70         else
  71         {
  72                 for( int i = __cxa_atexit_func_count; i --; )
  73                 {
  74                         __cxa_atexit_funcs[i].destructor(__cxa_atexit_funcs[i].arg);
  75                 }
  76                 __cxa_atexit_func_count = 0;
  77         }
  78 }
  79