source: Daodan/MSYS2/mingw32/i686-w64-mingw32/include/excpt.h@ 1172

Last change on this file since 1172 was 1166, checked in by rossy, 3 years ago

Daodan: Replace MinGW build env with an up-to-date MSYS2 env
File size: 4.3 KB
Line 
1/**
2 * This file has no copyright assigned and is placed in the Public Domain.
3 * This file is part of the mingw-w64 runtime package.
4 * No warranty is given; refer to the file DISCLAIMER.PD 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
14extern "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#define ExceptionExecuteHandler 4
27
28#if (defined(_X86_) && !defined(__x86_64))
29 struct _EXCEPTION_RECORD;
30 struct _CONTEXT;
31
32 EXCEPTION_DISPOSITION __cdecl _except_handler(struct _EXCEPTION_RECORD *_ExceptionRecord,void *_EstablisherFrame,struct _CONTEXT *_ContextRecord,void *_DispatcherContext);
33#elif defined(__ia64__)
34
35 typedef struct _EXCEPTION_POINTERS *Exception_info_ptr;
36 struct _EXCEPTION_RECORD;
37 struct _CONTEXT;
38 struct _DISPATCHER_CONTEXT;
39
40 __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);
41#elif defined(__x86_64) || defined(__arm__) || defined(__aarch64__)
42
43 struct _EXCEPTION_RECORD;
44 struct _CONTEXT;
45 struct _DISPATCHER_CONTEXT;
46
47 __MINGW_EXTENSION _CRTIMP EXCEPTION_DISPOSITION __cdecl __C_specific_handler (struct _EXCEPTION_RECORD *_ExceptionRecord, void *_EstablisherFrame, struct _CONTEXT *_ContextRecord, struct _DISPATCHER_CONTEXT *_DispatcherContext);
48#endif
49
50#define GetExceptionCode _exception_code
51#define exception_code _exception_code
52#define GetExceptionInformation (struct _EXCEPTION_POINTERS *)_exception_info
53#define exception_info (struct _EXCEPTION_POINTERS *)_exception_info
54#define AbnormalTermination _abnormal_termination
55#define abnormal_termination _abnormal_termination
56
57 unsigned long __cdecl _exception_code(void);
58 void *__cdecl _exception_info(void);
59 int __cdecl _abnormal_termination(void);
60
61#define EXCEPTION_EXECUTE_HANDLER 1
62#define EXCEPTION_CONTINUE_SEARCH 0
63#define EXCEPTION_CONTINUE_EXECUTION -1
64
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#if !defined (HAVE_NO_SEH) && defined (__MINGW_EXCPT_DEFINE_PSDK)
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__ __volatile__ ("pushl %0;pushl %%fs:0;movl %%esp,%%fs:0;" : : "g" (pHandler));
106
107#define __except1 \
108 __asm__ __volatile__ ("movl (%%esp),%%eax;movl %%eax,%%fs:0;addl $8,%%esp;" \
109 : : : "%eax");
110#elif defined(__x86_64)
111#define __try1(pHandler) \
112 __asm__ __volatile__ ("\t.l_startw:\n" \
113 "\t.seh_handler __C_specific_handler, @except\n" \
114 "\t.seh_handlerdata\n" \
115 "\t.long 1\n" \
116 "\t.rva .l_startw, .l_endw, " __MINGW64_STRINGIFY(__MINGW_USYMBOL(pHandler)) " ,.l_endw\n" \
117 "\t.text" \
118 );
119#define __except1 \
120 asm ("\tnop\n" \
121 "\t.l_endw: nop\n");
122#else
123#define __try1(pHandler)
124#define __except1
125#endif
126
127#ifdef __cplusplus
128}
129#endif
130
131#pragma pack(pop)
132#endif
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