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  1. /**
  2.  * This file has no copyright assigned and is placed in the Public Domain.
  3.  * This file is part of the w64 mingw-runtime package.
  4.  * No warranty is given; refer to the file DISCLAIMER within this package.
  5.  */
  6. #ifndef _INC_EXCPT
  7. #define _INC_EXCPT
  8.  
  9. #include <_mingw.h>
  10.  
  11. #pragma pack(push,_CRT_PACKING)
  12.  
  13. #ifdef __cplusplus
  14. extern "C" {
  15. #endif
  16.  
  17.   struct _EXCEPTION_POINTERS;
  18.  
  19. #ifndef EXCEPTION_DISPOSITION
  20. #define EXCEPTION_DISPOSITION   int
  21. #endif
  22. #define ExceptionContinueExecution 0
  23. #define ExceptionContinueSearch 1
  24. #define ExceptionNestedException 2
  25. #define ExceptionCollidedUnwind 3
  26.  
  27. #if (defined(_X86_) && !defined(__x86_64))
  28.   struct _EXCEPTION_RECORD;
  29.   struct _CONTEXT;
  30.  
  31.   EXCEPTION_DISPOSITION __cdecl _except_handler(struct _EXCEPTION_RECORD *_ExceptionRecord,void *_EstablisherFrame,struct _CONTEXT *_ContextRecord,void *_DispatcherContext);
  32. #elif defined(__ia64__)
  33.  
  34.   typedef struct _EXCEPTION_POINTERS *Exception_info_ptr;
  35.   struct _EXCEPTION_RECORD;
  36.   struct _CONTEXT;
  37.   struct _DISPATCHER_CONTEXT;
  38.  
  39.   _CRTIMP EXCEPTION_DISPOSITION __cdecl __C_specific_handler (struct _EXCEPTION_RECORD *_ExceptionRecord,unsigned __int64 _MemoryStackFp,unsigned __int64 _BackingStoreFp,struct _CONTEXT *_ContextRecord,struct _DISPATCHER_CONTEXT *_DispatcherContext,unsigned __int64 _GlobalPointer);
  40. #elif defined(__x86_64)
  41.  
  42.   struct _EXCEPTION_RECORD;
  43.   struct _CONTEXT;
  44. #endif
  45.  
  46. #define GetExceptionCode _exception_code
  47. #define exception_code _exception_code
  48. #define GetExceptionInformation (struct _EXCEPTION_POINTERS *)_exception_info
  49. #define exception_info (struct _EXCEPTION_POINTERS *)_exception_info
  50. #define AbnormalTermination _abnormal_termination
  51. #define abnormal_termination _abnormal_termination
  52.  
  53.   unsigned long __cdecl _exception_code(void);
  54.   void *__cdecl _exception_info(void);
  55.   int __cdecl _abnormal_termination(void);
  56.  
  57. #define EXCEPTION_EXECUTE_HANDLER 1
  58. #define EXCEPTION_CONTINUE_SEARCH 0
  59. #define EXCEPTION_CONTINUE_EXECUTION -1
  60.  
  61.   /* CRT stuff */
  62.   typedef void (__cdecl * _PHNDLR)(int);
  63.  
  64.   struct _XCPT_ACTION {
  65.     unsigned long XcptNum;
  66.     int SigNum;
  67.     _PHNDLR XcptAction;
  68.   };
  69.  
  70.   extern struct _XCPT_ACTION _XcptActTab[];
  71.   extern int _XcptActTabCount;
  72.   extern int _XcptActTabSize;
  73.   extern int _First_FPE_Indx;
  74.   extern int _Num_FPE;
  75.  
  76.   int __cdecl __CppXcptFilter(unsigned long _ExceptionNum,struct _EXCEPTION_POINTERS * _ExceptionPtr);
  77.   int __cdecl _XcptFilter(unsigned long _ExceptionNum,struct _EXCEPTION_POINTERS * _ExceptionPtr);
  78.  
  79.   /*
  80.   * The type of function that is expected as an exception handler to be
  81.   * installed with _try1.
  82.   */
  83.   typedef EXCEPTION_DISPOSITION (*PEXCEPTION_HANDLER)(struct _EXCEPTION_RECORD*, void*, struct _CONTEXT*, void*);
  84.  
  85. #ifndef HAVE_NO_SEH
  86.   /*
  87.   * This is not entirely necessary, but it is the structure installed by
  88.   * the _try1 primitive below.
  89.   */
  90.   typedef struct _EXCEPTION_REGISTRATION {
  91.     struct _EXCEPTION_REGISTRATION *prev;
  92.     EXCEPTION_DISPOSITION (*handler)(struct _EXCEPTION_RECORD*, void*, struct _CONTEXT*, void*);
  93.   } EXCEPTION_REGISTRATION, *PEXCEPTION_REGISTRATION;
  94.  
  95.   typedef EXCEPTION_REGISTRATION EXCEPTION_REGISTRATION_RECORD;
  96.   typedef PEXCEPTION_REGISTRATION PEXCEPTION_REGISTRATION_RECORD;
  97. #endif
  98.  
  99. #if (defined(_X86_) && !defined(__x86_64))
  100. #define __try1(pHandler) \
  101.   __asm__ ("pushl %0;pushl %%fs:0;movl %%esp,%%fs:0;" : : "g" (pHandler));
  102.  
  103. #define __except1       \
  104.   __asm__ ("movl (%%esp),%%eax;movl %%eax,%%fs:0;addl $8,%%esp;" \
  105.   : : : "%eax");
  106. #elif defined(__x86_64)
  107. #define __try1(pHandler) \
  108.   __asm__ ("pushq %0;pushq %%gs:0;movq %%rsp,%%gs:0;" : : "g" (pHandler));
  109.  
  110. #define __except1       \
  111.   __asm__ ("movq (%%rsp),%%rax;movq %%rax,%%gs:0;addq $16,%%rsp;" \
  112.   : : : "%rax");
  113. #else
  114. #define __try1(pHandler)
  115. #define __except1
  116. #endif
  117.  
  118. #ifdef __cplusplus
  119. }
  120. #endif
  121.  
  122. #pragma pack(pop)
  123. #endif
  124.