vm/os-macosx-x86.32.hpp

   1 /* Fault handler information.  MacOSX version.
   2 Copyright (C) 1993-1999, 2002-2003  Bruno Haible <clisp.org at bruno>
   3 Copyright (C) 2003  Paolo Bonzini <gnu.org at bonzini>
   4
   5 Used under BSD license with permission from Paolo Bonzini and Bruno Haible,
   6 2005-03-10:
   7
   8 http://sourceforge.net/mailarchive/message.php?msg_name=200503102200.32002.bruno%40clisp.org
   9
  10 Modified for Factor by Slava Pestov */
  11 #include <ucontext.h>
  12
  13 #define MACH_EXC_STATE_TYPE i386_exception_state_t
  14 #define MACH_EXC_STATE_FLAVOR i386_EXCEPTION_STATE
  15 #define MACH_EXC_STATE_COUNT i386_EXCEPTION_STATE_COUNT
  16 #define MACH_THREAD_STATE_TYPE i386_thread_state_t
  17 #define MACH_THREAD_STATE_FLAVOR i386_THREAD_STATE
  18 #define MACH_THREAD_STATE_COUNT i386_THREAD_STATE_COUNT
  19
  20 #if __DARWIN_UNIX03
  21         #define MACH_EXC_STATE_FAULT(exc_state) (exc_state)->__faultvaddr
  22         #define MACH_STACK_POINTER(thr_state) (thr_state)->__esp
  23         #define MACH_PROGRAM_COUNTER(thr_state) (thr_state)->__eip
  24         #define UAP_PROGRAM_COUNTER(ucontext) \
  25                 MACH_PROGRAM_COUNTER(&(((ucontext_t *)(ucontext))->uc_mcontext->__ss))
  26 #else
  27         #define MACH_EXC_STATE_FAULT(exc_state) (exc_state)->faultvaddr
  28         #define MACH_STACK_POINTER(thr_state) (thr_state)->esp
  29         #define MACH_PROGRAM_COUNTER(thr_state) (thr_state)->eip
  30         #define UAP_PROGRAM_COUNTER(ucontext) \
  31                 MACH_PROGRAM_COUNTER(&(((ucontext_t *)(ucontext))->uc_mcontext->ss))
  32 #endif
  33
  34 INLINE CELL fix_stack_pointer(CELL sp)
  35 {
  36         return ((sp + 4) & ~15) - 4;
  37 }