-/*
- * excpt.h
+/**
* This file has no copyright assigned and is placed in the Public Domain.
- * This file is a part of the mingw-runtime package.
- * No warranty is given; refer to the file DISCLAIMER within the package.
- *
- * Support for operating system level structured exception handling.
- *
- * NOTE: This is very preliminary stuff. I am also pretty sure it is
- * completely Intel specific.
- *
+ * This file is part of the w64 mingw-runtime package.
+ * No warranty is given; refer to the file DISCLAIMER within this package.
*/
+#ifndef _INC_EXCPT
+#define _INC_EXCPT
-#ifndef _EXCPT_H_
-#define _EXCPT_H_
+#include <crtdefs.h>
-/* All the headers include this file. */
-#if defined(__MINGW32__)
-#include <_mingw.h>
+#pragma pack(push,_CRT_PACKING)
+
+#ifdef __cplusplus
+extern "C" {
#endif
-/*
- * NOTE: The constants structs and typedefs below should be defined in the
- * Win32 API headers.
- */
-#define EXCEPTION_EXECUTE_HANDLER 1
-#define EXCEPTION_CONTINUE_SEARCH 0
-#define EXCEPTION_CONTINUE_EXECUTION -1
-
-#define EH_NONCONTINUABLE 0x01
-#define EH_UNWINDING 0x02
-#define EH_EXIT_UNWIND 0x04
-#define EH_STACK_INVALID 0x08
-#define EH_NESTED_CALL 0x10
-
-#ifndef RC_INVOKED
-
-typedef enum {
- ExceptionContinueExecution,
- ExceptionContinueSearch,
- ExceptionNestedException,
- ExceptionCollidedUnwind
+typedef enum _EXCEPTION_DISPOSITION
+{
+ ExceptionContinueExecution,
+ ExceptionContinueSearch,
+ ExceptionNestedException,
+ ExceptionCollidedUnwind,
} EXCEPTION_DISPOSITION;
+#if (defined(_X86_) && !defined(__x86_64))
+ struct _EXCEPTION_RECORD;
+ struct _CONTEXT;
-/*
- * End of stuff that should be in the Win32 API files.
- */
+ EXCEPTION_DISPOSITION __cdecl _except_handler(struct _EXCEPTION_RECORD *_ExceptionRecord,void *_EstablisherFrame,struct _CONTEXT *_ContextRecord,void *_DispatcherContext);
+#elif defined(__ia64__)
+ typedef struct _EXCEPTION_POINTERS *Exception_info_ptr;
+ struct _EXCEPTION_RECORD;
+ struct _CONTEXT;
+ struct _DISPATCHER_CONTEXT;
-#ifdef __cplusplus
-extern "C" {
+ __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);
+#elif defined(__x86_64)
+
+ struct _EXCEPTION_RECORD;
+ struct _CONTEXT;
+ struct _DISPATCHER_CONTEXT;
+
+ _CRTIMP EXCEPTION_DISPOSITION __cdecl __C_specific_handler (struct _EXCEPTION_RECORD *_ExceptionRecord,void *_EstablisherFrame,struct _CONTEXT *_ContextRecord,struct _DISPATCHER_CONTEXT *_DispatcherContext);
#endif
-/*
- * The type of function that is expected as an exception handler to be
- * installed with __try1.
- */
-struct _CONTEXT;
-struct _EXCEPTION_RECORD;
-typedef EXCEPTION_DISPOSITION (*PEXCEPTION_HANDLER)
- (struct _EXCEPTION_RECORD*, void*, struct _CONTEXT*, void*);
-
-/*
- * This is not entirely necessary, but it is the structure installed by
- * the __try1 primitive below.
- */
-typedef struct _EXCEPTION_REGISTRATION
-{
- struct _EXCEPTION_REGISTRATION* prev;
- PEXCEPTION_HANDLER handler;
-} EXCEPTION_REGISTRATION, *PEXCEPTION_REGISTRATION;
-
-/*
- * A macro which installs the supplied exception handler.
- * Push the pointer to the new handler onto the stack,
- * then push the pointer to the old registration structure (at fs:0)
- * onto the stack, then put a pointer to the new registration
- * structure (i.e. the current stack pointer) at fs:0.
- */
+#ifdef _MSC_VER // HACK!!!
+#define GetExceptionCode _exception_code
+#define exception_code _exception_code
+#define GetExceptionInformation (struct _EXCEPTION_POINTERS *)_exception_info
+#define exception_info (struct _EXCEPTION_POINTERS *)_exception_info
+#define AbnormalTermination _abnormal_termination
+#define abnormal_termination _abnormal_termination
+#endif
+
+ unsigned long __cdecl _exception_code(void);
+ void *__cdecl _exception_info(void);
+ int __cdecl _abnormal_termination(void);
+
+#define EXCEPTION_EXECUTE_HANDLER 1
+#define EXCEPTION_CONTINUE_SEARCH 0
+#define EXCEPTION_CONTINUE_EXECUTION -1
+
+#if 0
+ /* CRT stuff */
+ typedef void (__cdecl * _PHNDLR)(int);
+
+ struct _XCPT_ACTION {
+ unsigned long XcptNum;
+ int SigNum;
+ _PHNDLR XcptAction;
+ };
+
+ extern struct _XCPT_ACTION _XcptActTab[];
+ extern int _XcptActTabCount;
+ extern int _XcptActTabSize;
+ extern int _First_FPE_Indx;
+ extern int _Num_FPE;
+
+ int __cdecl __CppXcptFilter(unsigned long _ExceptionNum,struct _EXCEPTION_POINTERS * _ExceptionPtr);
+ int __cdecl _XcptFilter(unsigned long _ExceptionNum,struct _EXCEPTION_POINTERS * _ExceptionPtr);
+
+ /*
+ * The type of function that is expected as an exception handler to be
+ * installed with _try1.
+ */
+ typedef EXCEPTION_DISPOSITION (*PEXCEPTION_HANDLER)(struct _EXCEPTION_RECORD*, void*, struct _CONTEXT*, void*);
+
+#ifndef HAVE_NO_SEH
+ /*
+ * This is not entirely necessary, but it is the structure installed by
+ * the _try1 primitive below.
+ */
+ typedef struct _EXCEPTION_REGISTRATION {
+ struct _EXCEPTION_REGISTRATION *prev;
+ EXCEPTION_DISPOSITION (*handler)(struct _EXCEPTION_RECORD*, void*, struct _CONTEXT*, void*);
+ } EXCEPTION_REGISTRATION, *PEXCEPTION_REGISTRATION;
+
+ typedef EXCEPTION_REGISTRATION EXCEPTION_REGISTRATION_RECORD;
+ typedef PEXCEPTION_REGISTRATION PEXCEPTION_REGISTRATION_RECORD;
+#endif
+
+#if (defined(_X86_) && !defined(__x86_64))
#define __try1(pHandler) \
- __asm__ ("pushl %0;pushl %%fs:0;movl %%esp,%%fs:0;" : : "g" (pHandler));
-
-/*
- * A macro which (despite its name) *removes* an installed
- * exception handler. Should be used only in conjunction with the above
- * install routine __try1.
- * Move the pointer to the old reg. struct (at the current stack
- * position) to fs:0, replacing the pointer we installed above,
- * then add 8 to the stack pointer to get rid of the space we
- * used when we pushed on our new reg. struct above. Notice that
- * the stack must be in the exact state at this point that it was
- * after we did __try1 or this will smash things.
- */
+ __asm__ ("pushl %0;pushl %%fs:0;movl %%esp,%%fs:0;" : : "g" (pHandler));
+
+#define __except1 \
+ __asm__ ("movl (%%esp),%%eax;movl %%eax,%%fs:0;addl $8,%%esp;" \
+ : : : "%eax");
+#elif defined(__x86_64)
+#define __try1(pHandler) \
+ __asm__ ("pushq %0;pushq %%gs:0;movq %%rsp,%%gs:0;" : : "g" (pHandler));
+
#define __except1 \
- __asm__ ("movl (%%esp),%%eax;movl %%eax,%%fs:0;addl $8,%%esp;" \
- : : : "%eax");
+ __asm__ ("movq (%%rsp),%%rax;movq %%rax,%%gs:0;addq $16,%%rsp;" \
+ : : : "%rax");
+#else
+#define __try1(pHandler)
+#define __except1
+#endif
-#ifdef __cplusplus
+#endif // 0
+
+#ifdef __cplusplus
}
#endif
-#endif /* Not RC_INVOKED */
-
-#endif /* _EXCPT_H_ not defined */
+#pragma pack(pop)
+#endif
projects / reactos.git / blobdiff