void set_data_desc_size(data_desc_t* desc, unsigned long size);
void set_data_desc_addr(data_desc_t* desc, void* addr);
-#define DARWIN_FIX_CONTEXT(context)
-
/* As of XCode 3.0, the field names for the thread state have changed
* and now are prepended with __. Use some #define hackery to deal
* with this. MAC_OS_X_VERSION_10_5 seems to be a good test to see if