diff options
Diffstat (limited to 'tinyc/win32/include/excpt.h')
| -rw-r--r-- | tinyc/win32/include/excpt.h | 133 |
1 files changed, 118 insertions, 15 deletions
diff --git a/tinyc/win32/include/excpt.h b/tinyc/win32/include/excpt.h index 774612458..26cc9437c 100644 --- a/tinyc/win32/include/excpt.h +++ b/tinyc/win32/include/excpt.h @@ -1,20 +1,123 @@ -#ifndef _EXCPT_H -#define _EXCPT_H -#if __GNUC__ >=3 -#pragma GCC system_header +/** + * This file has no copyright assigned and is placed in the Public Domain. + * 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 + +#include <_mingw.h> + +#pragma pack(push,_CRT_PACKING) + +#ifdef __cplusplus +extern "C" { +#endif + + struct _EXCEPTION_POINTERS; + +#ifndef EXCEPTION_DISPOSITION +#define EXCEPTION_DISPOSITION int +#endif +#define ExceptionContinueExecution 0 +#define ExceptionContinueSearch 1 +#define ExceptionNestedException 2 +#define ExceptionCollidedUnwind 3 + +#if (defined(_X86_) && !defined(__x86_64)) + struct _EXCEPTION_RECORD; + struct _CONTEXT; + + 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; + + _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; +#endif + +#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 + + 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 + + /* 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)); + +#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__ ("movq (%%rsp),%%rax;movq %%rax,%%gs:0;addq $16,%%rsp;" \ + : : : "%rax"); +#else +#define __try1(pHandler) +#define __except1 #endif -/* FIXME: This will make some code compile. The programs will most - likely crash when an exception is raised, but at least they will - compile. */ -#ifdef __GNUC__ -#define __try -#define __except(x) if (0) /* don't execute handler */ -#define __finally - -#define _try __try -#define _except __except -#define _finally __finally +#ifdef __cplusplus +} #endif +#pragma pack(pop) #endif |