vm/os-macosx-x86.h

   1 #define MACH_EXC_STATE_TYPE i386_exception_state_t
   2 #define MACH_EXC_STATE_FLAVOR i386_EXCEPTION_STATE
   3 #define MACH_EXC_STATE_COUNT i386_EXCEPTION_STATE_COUNT
   4 #define MACH_THREAD_STATE_TYPE i386_thread_state_t
   5 #define MACH_THREAD_STATE_FLAVOR i386_THREAD_STATE
   6 #define MACH_THREAD_STATE_COUNT i386_THREAD_STATE_COUNT
   7
   8 #if __DARWIN_UNIX03
   9     #define MACH_EXC_STATE_FAULT(exc_state) (exc_state).__faultvaddr
  10     #define MACH_STACK_POINTER(thr_state) (thr_state).__esp
  11     #define MACH_PROGRAM_COUNTER(thr_state) (thr_state).__eip
  12 #else
  13     #define MACH_EXC_STATE_FAULT(exc_state) (exc_state).faultvaddr
  14     #define MACH_STACK_POINTER(thr_state) (thr_state).esp
  15     #define MACH_PROGRAM_COUNTER(thr_state) (thr_state).eip
  16 #endif
  17
  18 /* Adjust stack pointer so we can push an arg */
  19 INLINE unsigned long fix_stack_ptr(unsigned long sp)
  20 {
  21           return sp - (sp & 0xf);
  22 }
  23
  24 INLINE void pass_arg0(MACH_THREAD_STATE_TYPE *thr_state, CELL arg)
  25 {
  26         *(CELL *)MACH_STACK_POINTER(*thr_state) = arg;
  27         MACH_STACK_POINTER(*thr_state) -= CELLS;
  28 }