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
  10 extern "C" int SoMain()
  11 {
  12         // nope
  13         return 0;
  14 }
  15
  16 extern "C" void __cxa_pure_virtual()
  17 {
  18         // dunno
  19 }
  20
  21 extern "C" void __gxx_personality_v0()
  22 {
  23         // TODO: Handle __gxx_personality_v0 somehow
  24 }
  25
  26
  27 // DSO Support
  28 #define MAX_ATEXIT      32
  29 static struct {
  30         void (*destructor) (void *);
  31         void    *arg;
  32         void    *dso_handle;
  33 } __cxa_atexit_funcs[MAX_ATEXIT];
  34 static int      __cxa_atexit_func_count;
  35
  36 extern "C" int __cxa_atexit(void (*destructor) (void *), void *arg, void *dso_handle)
  37 {
  38         if( __cxa_atexit_func_count == MAX_ATEXIT )
  39         {
  40                 return 1;
  41         }
  42
  43         __cxa_atexit_funcs[__cxa_atexit_func_count].destructor = destructor;
  44         __cxa_atexit_funcs[__cxa_atexit_func_count].arg = arg;
  45         __cxa_atexit_funcs[__cxa_atexit_func_count].dso_handle = dso_handle;
  46         __cxa_atexit_func_count ++;
  47         return 0;
  48 }
  49
  50 extern "C" void __cxa_finalize(void *f)
  51 {
  52         if( f == 0 )
  53         {
  54                 for( int i = __cxa_atexit_func_count; i --; )
  55                 {
  56                         if( __cxa_atexit_funcs[i].dso_handle == f )
  57                         {
  58                                 __cxa_atexit_funcs[i].destructor(__cxa_atexit_funcs[i].arg);
  59                                 memmove(
  60                                         &__cxa_atexit_funcs[i],
  61                                         &__cxa_atexit_funcs[i+1],
  62                                         (__cxa_atexit_func_count-i)*sizeof(__cxa_atexit_funcs[0])
  63                                         );
  64                                 i ++;
  65                                 __cxa_atexit_func_count --;
  66                         }
  67                 }
  68         }
  69         else
  70         {
  71                 for( int i = __cxa_atexit_func_count; i --; )
  72                 {
  73                         __cxa_atexit_funcs[i].destructor(__cxa_atexit_funcs[i].arg);
  74                 }
  75                 __cxa_atexit_func_count = 0;
  76         }
  77 }
  78