1 #ifndef __WINE_WINE_EXCEPTION_H
2 #define __WINE_WINE_EXCEPTION_H
3
4 #include <setjmp.h>
5 #include <intrin.h>
6 #ifdef __USE_PSEH2__
7 # include <pseh/pseh2.h>
8 # include <pseh/excpt.h>
9 #endif
10
11 #ifdef __cplusplus
12 extern "C" {
13 #endif
14
15 /* Win32 seems to use the same flags as ExceptionFlags in an EXCEPTION_RECORD */
16 #define EH_NONCONTINUABLE 0x01
17 #define EH_UNWINDING 0x02
18 #define EH_EXIT_UNWIND 0x04
19 #define EH_STACK_INVALID 0x08
20 #define EH_NESTED_CALL 0x10
21 #define EH_TARGET_UNWIND 0x20
22 #define EH_COLLIDED_UNWIND 0x40
23
24 #define EXCEPTION_WINE_STUB 0x80000100
25 #define EXCEPTION_WINE_ASSERTION 0x80000101
26
27 #define EXCEPTION_VM86_INTx 0x80000110
28 #define EXCEPTION_VM86_STI 0x80000111
29 #define EXCEPTION_VM86_PICRETURN 0x80000112
30
31 #ifndef _RTLTYPES_H
32 struct _EXCEPTION_REGISTRATION_RECORD;
33
34 typedef
35 DWORD
36 (*PEXCEPTION_HANDLER)(
37 struct _EXCEPTION_RECORD*,
38 struct _EXCEPTION_REGISTRATION_RECORD *,
39 struct _CONTEXT*,
40 struct _EXCEPTION_REGISTRATION_RECORD**);
41
42 typedef struct _EXCEPTION_REGISTRATION_RECORD EXCEPTION_REGISTRATION_RECORD, *PEXCEPTION_REGISTRATION_RECORD;
43
44 struct _EXCEPTION_REGISTRATION_RECORD
45 {
46 struct _EXCEPTION_REGISTRATION_RECORD * Prev;
47 PEXCEPTION_HANDLER Handler;
48 };
49 #else
50 typedef struct _WINE_EXCEPTION_REGISTRATION_RECORD
51 {
52 PVOID Prev;
53 PEXCEPTION_ROUTINE Handler;
54 } WINE_EXCEPTION_REGISTRATION_RECORD, *PWINE_EXCEPTION_REGISTRATION_RECORD;
55
56 #define _EXCEPTION_REGISTRATION_RECORD _WINE_EXCEPTION_REGISTRATION_RECORD
57 #define EXCEPTION_REGISTRATION_RECORD WINE_EXCEPTION_REGISTRATION_RECORD
58 #define PEXCEPTION_REGISTRATION_RECORD PWINE_EXCEPTION_REGISTRATION_RECORD
59 #endif
60
61 #ifdef __USE_PSEH2__
62 #define __TRY _SEH2_TRY
63 #define __EXCEPT(func) _SEH2_EXCEPT(func(_SEH2_GetExceptionInformation()))
64 #define __EXCEPT_CTX(func, ctx) _SEH2_EXCEPT((func)(GetExceptionInformation(), ctx))
65 #define __EXCEPT_PAGE_FAULT _SEH2_EXCEPT(_SEH2_GetExceptionCode() == STATUS_ACCESS_VIOLATION)
66 #define __EXCEPT_ALL _SEH2_EXCEPT(_SEH_EXECUTE_HANDLER)
67 #define __ENDTRY _SEH2_END
68 #define __FINALLY(func) _SEH2_FINALLY { func(!_SEH2_AbnormalTermination()); }
69 #define __FINALLY_CTX(func, ctx) _SEH2_FINALLY { func(!_SEH2_AbnormalTermination(), ctx); }; _SEH2_END
70
71 #ifndef GetExceptionCode
72 #define GetExceptionCode() _SEH2_GetExceptionCode()
73 #endif
74
75 #ifndef GetExceptionInformation
76 #define GetExceptionInformation() _SEH2_GetExceptionInformation()
77 #endif
78
79 #ifndef AbnormalTermination
80 #define AbnormalTermination() _SEH2_AbnormalTermination()
81 #endif
82 #else
83 #define __TRY __try
84 #define __EXCEPT(func) __except(func(GetExceptionInformation()))
85 #define __EXCEPT_CTX(func, ctx) __except((func)(GetExceptionInformation(), ctx))
86 #define __EXCEPT_PAGE_FAULT __except(GetExceptionCode() == STATUS_ACCESS_VIOLATION)
87 #define __EXCEPT_ALL __except(1)
88 #define __ENDTRY
89 #define __FINALLY(func) __finally { func(!AbnormalTermination()); }
90 #define __FINALLY_CTX(func, ctx) __finally { func(!AbnormalTermination(), ctx); }
91 #endif
92
93 #if defined(__MINGW32__) || defined(__CYGWIN__)
94 #define sigjmp_buf jmp_buf
95 #define sigsetjmp(buf,sigs) setjmp(buf)
96 #define siglongjmp(buf,val) longjmp(buf,val)
97 #endif
98
99 #ifdef _MSC_VER
100 #pragma warning(push)
101 #pragma warning(disable:4733)
102 #endif
103
__wine_push_frame(EXCEPTION_REGISTRATION_RECORD * frame)104 static inline EXCEPTION_REGISTRATION_RECORD *__wine_push_frame( EXCEPTION_REGISTRATION_RECORD *frame )
105 {
106 #ifdef __i386__
107 frame->Prev = (struct _EXCEPTION_REGISTRATION_RECORD *)__readfsdword(0);
108 __writefsdword(0, (unsigned long)frame);
109 return frame->Prev;
110 #else
111 NT_TIB *teb = (NT_TIB *)NtCurrentTeb();
112 frame->Prev = teb->ExceptionList;
113 teb->ExceptionList = (PVOID)frame;
114 return frame->Prev;
115 #endif
116 }
117
__wine_pop_frame(EXCEPTION_REGISTRATION_RECORD * frame)118 static inline EXCEPTION_REGISTRATION_RECORD *__wine_pop_frame( EXCEPTION_REGISTRATION_RECORD *frame )
119 {
120 #ifdef __i386__
121 __writefsdword(0, (unsigned long)frame->Prev);
122 return frame->Prev;
123 #else
124 NT_TIB *teb = (NT_TIB *)NtCurrentTeb();
125 frame->Prev = teb->ExceptionList;
126 teb->ExceptionList = (PVOID)frame;
127 return frame->Prev;
128 #endif
129 }
130
131 #ifdef _MSC_VER
132 #pragma warning(pop)
133 #endif
134
135 extern void __wine_enter_vm86( CONTEXT *context );
136
137 #ifdef __cplusplus
138 }
139 #endif
140
141 #endif
142