src/runtime/x86-darwin-os.h

   1 #ifndef _X86_DARWIN_OS_H
   2 #define _X86_DARWIN_OS_H
   3
   4 #include <architecture/i386/table.h>
   5 #include <i386/user_ldt.h>
   6
   7 #include "darwin-os.h"
   8
   9 typedef int os_context_register_t;
  10
  11 static inline os_context_t *arch_os_get_context(void **void_context)
  12 {
  13     return (os_context_t *) *void_context;
  14 }
  15
  16 void set_data_desc_size(data_desc_t* desc, unsigned long size);
  17 void set_data_desc_addr(data_desc_t* desc, void* addr);
  18
  19 /* On OS X 10.5, the field names for the thread state have changed and
  20  * now are prepended with __. Use some #define hackery to deal with
  21  * this.
  22  */
  23 #if __DARWIN_UNIX03
  24
  25 #define CONTEXT_ADDR_FROM_STEM(stem) &context->uc_mcontext->__ss.__##stem
  26 #define EIP __eip
  27 #define ESP __esp
  28 #define EBP __ebp
  29 #define EAX __eax
  30 #define EBX __ebx
  31 #define ECX __ecx
  32 #define EDX __edx
  33 #define ESI __esi
  34 #define EDI __edi
  35 #define EFLAGS __eflags
  36 #define CS __cs
  37 #define DS __ds
  38 #define ES __es
  39 #define FS __fs
  40 #define SS __ss
  41 #define GS __gs
  42
  43 #define FPU_FCW __fpu_fcw
  44
  45 #else
  46
  47 #define CONTEXT_ADDR_FROM_STEM(stem) &context->uc_mcontext->ss.stem
  48 #define EIP eip
  49 #define ESP esp
  50 #define EBP ebp
  51 #define EAX eax
  52 #define EBX ebx
  53 #define ECX ecx
  54 #define EDX edx
  55 #define ESI esi
  56 #define EDI edi
  57 #define EFLAGS eflags
  58 #define CS cs
  59 #define DS ds
  60 #define ES es
  61 #define FS fs
  62 #define SS ss
  63 #define GS gs
  64
  65 #define FPU_FCW fpu_fcw
  66
  67 #endif /* __DARWIN_UNIX03 */
  68
  69 #define RESTORE_FP_CONTROL_FROM_CONTEXT
  70 void os_restore_fp_control(os_context_t *context);
  71
  72 #endif /* _X86_DARWIN_OS_H */