d0d3ef077deff93e5a5834315d763786b0bf99ae
[reactos.git] / reactos / include / crt / excpt.h
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 <crtdefs.h>
10
11 #pragma pack(push,_CRT_PACKING)
12
13 #ifdef __cplusplus
14 extern "C" {
15 #endif
16
17 typedef enum _EXCEPTION_DISPOSITION
18 {
19 ExceptionContinueExecution,
20 ExceptionContinueSearch,
21 ExceptionNestedException,
22 ExceptionCollidedUnwind,
23 } EXCEPTION_DISPOSITION;
24
25 #if (defined(_X86_) && !defined(__x86_64))
26 struct _EXCEPTION_RECORD;
27 struct _CONTEXT;
28
29 EXCEPTION_DISPOSITION __cdecl _except_handler(struct _EXCEPTION_RECORD *_ExceptionRecord,void *_EstablisherFrame,struct _CONTEXT *_ContextRecord,void *_DispatcherContext);
30 #elif defined(__ia64__)
31
32 typedef struct _EXCEPTION_POINTERS *Exception_info_ptr;
33 struct _EXCEPTION_RECORD;
34 struct _CONTEXT;
35 struct _DISPATCHER_CONTEXT;
36
37 __MINGW_EXTENSION _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);
38 #elif defined(__x86_64)
39
40 struct _EXCEPTION_RECORD;
41 struct _CONTEXT;
42 struct _DISPATCHER_CONTEXT;
43
44 _CRTIMP EXCEPTION_DISPOSITION __cdecl __C_specific_handler (struct _EXCEPTION_RECORD *_ExceptionRecord,void *_EstablisherFrame,struct _CONTEXT *_ContextRecord,struct _DISPATCHER_CONTEXT *_DispatcherContext);
45 #endif
46
47 #ifdef _MSC_VER // HACK!!!
48 #define GetExceptionCode _exception_code
49 #define exception_code _exception_code
50 #define GetExceptionInformation (struct _EXCEPTION_POINTERS *)_exception_info
51 #define exception_info (struct _EXCEPTION_POINTERS *)_exception_info
52 #define AbnormalTermination _abnormal_termination
53 #define abnormal_termination _abnormal_termination
54 #endif
55
56 unsigned long __cdecl _exception_code(void);
57 void *__cdecl _exception_info(void);
58 int __cdecl _abnormal_termination(void);
59
60 #define EXCEPTION_EXECUTE_HANDLER 1
61 #define EXCEPTION_CONTINUE_SEARCH 0
62 #define EXCEPTION_CONTINUE_EXECUTION -1
63
64 #if 0
65 /* CRT stuff */
66 typedef void (__cdecl * _PHNDLR)(int);
67
68 struct _XCPT_ACTION {
69 unsigned long XcptNum;
70 int SigNum;
71 _PHNDLR XcptAction;
72 };
73
74 extern struct _XCPT_ACTION _XcptActTab[];
75 extern int _XcptActTabCount;
76 extern int _XcptActTabSize;
77 extern int _First_FPE_Indx;
78 extern int _Num_FPE;
79
80 int __cdecl __CppXcptFilter(unsigned long _ExceptionNum,struct _EXCEPTION_POINTERS * _ExceptionPtr);
81 int __cdecl _XcptFilter(unsigned long _ExceptionNum,struct _EXCEPTION_POINTERS * _ExceptionPtr);
82
83 /*
84 * The type of function that is expected as an exception handler to be
85 * installed with _try1.
86 */
87 typedef EXCEPTION_DISPOSITION (*PEXCEPTION_HANDLER)(struct _EXCEPTION_RECORD*, void*, struct _CONTEXT*, void*);
88
89 #ifndef HAVE_NO_SEH
90 /*
91 * This is not entirely necessary, but it is the structure installed by
92 * the _try1 primitive below.
93 */
94 typedef struct _EXCEPTION_REGISTRATION {
95 struct _EXCEPTION_REGISTRATION *prev;
96 EXCEPTION_DISPOSITION (*handler)(struct _EXCEPTION_RECORD*, void*, struct _CONTEXT*, void*);
97 } EXCEPTION_REGISTRATION, *PEXCEPTION_REGISTRATION;
98
99 typedef EXCEPTION_REGISTRATION EXCEPTION_REGISTRATION_RECORD;
100 typedef PEXCEPTION_REGISTRATION PEXCEPTION_REGISTRATION_RECORD;
101 #endif
102
103 #if (defined(_X86_) && !defined(__x86_64))
104 #define __try1(pHandler) \
105 __asm__ ("pushl %0;pushl %%fs:0;movl %%esp,%%fs:0;" : : "g" (pHandler));
106
107 #define __except1 \
108 __asm__ ("movl (%%esp),%%eax;movl %%eax,%%fs:0;addl $8,%%esp;" \
109 : : : "%eax");
110 #elif defined(__x86_64)
111 #define __try1(pHandler) \
112 __asm__ ("pushq %0;pushq %%gs:0;movq %%rsp,%%gs:0;" : : "g" (pHandler));
113
114 #define __except1 \
115 __asm__ ("movq (%%rsp),%%rax;movq %%rax,%%gs:0;addq $16,%%rsp;" \
116 : : : "%rax");
117 #else
118 #define __try1(pHandler)
119 #define __except1
120 #endif
121
122 #endif // 0
123
124 #ifdef __cplusplus
125 }
126 #endif
127
128 #pragma pack(pop)
129 #endif