{CRT]
[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
30 __cdecl
31 _except_handler(
32 _In_ struct _EXCEPTION_RECORD *_ExceptionRecord,
33 _In_ void *_EstablisherFrame,
34 _Inout_ struct _CONTEXT *_ContextRecord,
35 _Inout_ void *_DispatcherContext);
36
37 #elif defined(__ia64__)
38
39 typedef struct _EXCEPTION_POINTERS *Exception_info_ptr;
40 struct _EXCEPTION_RECORD;
41 struct _CONTEXT;
42 struct _DISPATCHER_CONTEXT;
43
44 __MINGW_EXTENSION
45 _CRTIMP
46 EXCEPTION_DISPOSITION
47 __cdecl
48 __C_specific_handler(
49 _In_ struct _EXCEPTION_RECORD *_ExceptionRecord,
50 _In_ unsigned __int64 _MemoryStackFp,
51 _In_ unsigned __int64 _BackingStoreFp,
52 _Inout_ struct _CONTEXT *_ContextRecord,
53 _Inout_ struct _DISPATCHER_CONTEXT *_DispatcherContext,
54 _In_ unsigned __int64 _GlobalPointer);
55
56 #elif defined(__x86_64) || defined(_M_ARM)
57
58 struct _EXCEPTION_RECORD;
59 struct _CONTEXT;
60 struct _DISPATCHER_CONTEXT;
61
62 _CRTIMP
63 EXCEPTION_DISPOSITION
64 __cdecl
65 __C_specific_handler(
66 _In_ struct _EXCEPTION_RECORD *_ExceptionRecord,
67 _In_ void *_EstablisherFrame,
68 _Inout_ struct _CONTEXT *_ContextRecord,
69 _Inout_ struct _DISPATCHER_CONTEXT *_DispatcherContext);
70
71 #endif
72
73 #ifdef _MSC_VER
74 #define GetExceptionCode _exception_code
75 #define exception_code _exception_code
76 #define GetExceptionInformation (struct _EXCEPTION_POINTERS *)_exception_info
77 #define exception_info (struct _EXCEPTION_POINTERS *)_exception_info
78 #define AbnormalTermination _abnormal_termination
79 #define abnormal_termination _abnormal_termination
80 unsigned long __cdecl _exception_code(void);
81 void *__cdecl _exception_info(void);
82 int __cdecl _abnormal_termination(void);
83 #endif
84
85 #define EXCEPTION_EXECUTE_HANDLER 1
86 #define EXCEPTION_CONTINUE_SEARCH 0
87 #define EXCEPTION_CONTINUE_EXECUTION -1
88
89 #if 0
90 /* CRT stuff */
91 typedef void (__cdecl * _PHNDLR)(int);
92
93 struct _XCPT_ACTION {
94 unsigned long XcptNum;
95 int SigNum;
96 _PHNDLR XcptAction;
97 };
98
99 extern struct _XCPT_ACTION _XcptActTab[];
100 extern int _XcptActTabCount;
101 extern int _XcptActTabSize;
102 extern int _First_FPE_Indx;
103 extern int _Num_FPE;
104
105 int __cdecl __CppXcptFilter(unsigned long _ExceptionNum,struct _EXCEPTION_POINTERS * _ExceptionPtr);
106 int __cdecl _XcptFilter(unsigned long _ExceptionNum,struct _EXCEPTION_POINTERS * _ExceptionPtr);
107
108 /*
109 * The type of function that is expected as an exception handler to be
110 * installed with _try1.
111 */
112 typedef EXCEPTION_DISPOSITION (*PEXCEPTION_HANDLER)(struct _EXCEPTION_RECORD*, void*, struct _CONTEXT*, void*);
113
114 #ifndef HAVE_NO_SEH
115 /*
116 * This is not entirely necessary, but it is the structure installed by
117 * the _try1 primitive below.
118 */
119 typedef struct _EXCEPTION_REGISTRATION {
120 struct _EXCEPTION_REGISTRATION *prev;
121 EXCEPTION_DISPOSITION (*handler)(struct _EXCEPTION_RECORD*, void*, struct _CONTEXT*, void*);
122 } EXCEPTION_REGISTRATION, *PEXCEPTION_REGISTRATION;
123
124 typedef EXCEPTION_REGISTRATION EXCEPTION_REGISTRATION_RECORD;
125 typedef PEXCEPTION_REGISTRATION PEXCEPTION_REGISTRATION_RECORD;
126 #endif
127
128 #if (defined(_X86_) && !defined(__x86_64))
129 #define __try1(pHandler) \
130 __asm__ ("pushl %0;pushl %%fs:0;movl %%esp,%%fs:0;" : : "g" (pHandler));
131
132 #define __except1 \
133 __asm__ ("movl (%%esp),%%eax;movl %%eax,%%fs:0;addl $8,%%esp;" \
134 : : : "%eax");
135 #elif defined(__x86_64)
136 #define __try1(pHandler) \
137 __asm__ ("pushq %0;pushq %%gs:0;movq %%rsp,%%gs:0;" : : "g" (pHandler));
138
139 #define __except1 \
140 __asm__ ("movq (%%rsp),%%rax;movq %%rax,%%gs:0;addq $16,%%rsp;" \
141 : : : "%rax");
142 #else
143 #define __try1(pHandler)
144 #define __except1
145 #endif
146
147 #endif // 0
148
149 #ifdef __cplusplus
150 }
151 #endif
152
153 #pragma pack(pop)
154 #endif