unixxcpt.cpp File Reference

GNU support. More...

#include <owl/window.h>
#include <owl/registry.h>
#include <pshpack8.h>
#include <poppack.h>

Go to the source code of this file.

Namespaces
namespace	owl
	Object Windows Library (OWLNext Core).

Macros
#define	_EXCPT_H
#define	_EXCPT_H_
#define	EH_NONCONTINUABLE   0x01
#define	EH_UNWINDING   0x02
#define	EH_EXIT_UNWIND   0x04
#define	EH_STACK_INVALID   0x08
#define	EH_NESTED_CALL   0x10
#define	EXCEPTION_EXECUTE_HANDLER   1
#define	EXCEPTION_CONTINUE_SEARCH   0
#define	GetExceptionInformation()
#define	GetExceptionCode()
#define	RpcExceptionCode()
#define	_SXV(args...)
#define	_try
#define	_except(args...)
#define	__try   _try
#define	__try__   _try
#define	__except   _except
#define	__except__   _except
#define	TRYLEVEL_NONE   -1

Enumerations
enum	EXCEPTION_DISPOSITION { ExceptionContinueExecution , ExceptionContinueSearch , ExceptionNestedException , ExceptionCollidedUnwind }

Functions
int	mexcept_handler3 (struct _EXCEPTION_RECORD *pExceptionRecord, VC_EXCEPTION_REGISTRATION *pRegistrationFrame, struct _CONTEXT *pContextRecord, void *)
void	_global_unwind2 (void *)
void	_local_unwind2 (void *, int)
TDrawItem *	owl::lTCB (uint32 data)

Detailed Description

GNU support.

Definition in file unixxcpt.cpp.

Macro Definition Documentation

__except

#define __except   _except

Definition at line 144 of file unixxcpt.cpp.

__except__

#define __except__   _except

Definition at line 145 of file unixxcpt.cpp.

__try

#define __try   _try

Definition at line 142 of file unixxcpt.cpp.

__try__

#define __try__   _try

Definition at line 143 of file unixxcpt.cpp.

_except

#define _except

(

args...

)

Value:

__asm__ __volatile__("/BEGIN_EXCEPT\n");\
__xcpt_happened = 0;\
__asm__ __volatile__(\
".section .rdata\n"\
".align 16, 0x0\n\t"\
  "5:.int -1, 1f, 2f\n"\
".text\n\t"\
  "jmp 2f\n"\
  "1:\n");\
__xcpt_filter_result = (## args);\
__asm__ __volatile__(\
        "cmpl $-1,%1\n\t"\
        "je 4f\n\t"\
        "incl %0\n\t"\
  : "=m" (__xcpt_happened)\
  : "a" (__xcpt_filter_result)\
   );\
__asm__ __volatile__(\
        "4:ret\n\t"\
        "2:\n"\
        "/ reset __except_list to previous exception function\n\t"\
        "movl %0,%%fs:__except_list\n" : : "r" (__vcer.prev) : "memory");\
--__vcer.trylevel;\
__asm__ __volatile__("/END_EXCEPT\n");\
if(__xcpt_happened && (## args))

Definition at line 115 of file unixxcpt.cpp.

_EXCPT_H

#define _EXCPT_H

Definition at line 8 of file unixxcpt.cpp.

_EXCPT_H_

#define _EXCPT_H_

Definition at line 9 of file unixxcpt.cpp.

_SXV

#define _SXV

(

args...

)

Value:

__asm__ __volatile__("/BEGIN_SXV\n"); \
VC_EXCEPTION_REGISTRATION __vcer; \
int __volatile__ __xcpt_filter_result __attribute__((__unused__)); \
int __volatile__ __xcpt_happened __attribute__((__unused__)); \
__asm__ __volatile__(".equ __except_list, 0\n"); \
__vcer.trylevel=(unsigned long)-1; \
__vcer.handler=(unsigned long)&mexcept_handler3; \
__asm__ __volatile__("/END_SXV\n");

Definition at line 83 of file unixxcpt.cpp.

_try

#define _try

Value:

__asm__ __volatile__(\
"/ BEGIN_TRY\n\t"\
"movl %%esp, %0;\n\t"\
"movl %%ebp, %1;\n"\
: "=g" (__vcer.stan_stack), "=g" (__vcer._ebp) : );\
__asm__ __volatile__(\
  "movl %%fs:__except_list,%0\n\t"\
  "movl %2,%%fs:__except_list\n\t"\
  "/ ScopeTable Pointer\n\t"\
  "movl $5f,%1\n"\
  : "=g" (__vcer.prev), "=m" (__vcer.tbl_ptr): "r" (&__vcer.prev) : "memory");\
  ++__vcer.trylevel;\
__asm__ __volatile__("/ END_TRY");\
   if(1)

Definition at line 94 of file unixxcpt.cpp.

EH_EXIT_UNWIND

#define EH_EXIT_UNWIND   0x04

Definition at line 54 of file unixxcpt.cpp.

EH_NESTED_CALL

#define EH_NESTED_CALL   0x10

Definition at line 56 of file unixxcpt.cpp.

EH_NONCONTINUABLE

#define EH_NONCONTINUABLE   0x01

Definition at line 52 of file unixxcpt.cpp.

EH_STACK_INVALID

#define EH_STACK_INVALID   0x08

Definition at line 55 of file unixxcpt.cpp.

EH_UNWINDING

#define EH_UNWINDING   0x02

Definition at line 53 of file unixxcpt.cpp.

EXCEPTION_CONTINUE_SEARCH

#define EXCEPTION_CONTINUE_SEARCH   0

Definition at line 60 of file unixxcpt.cpp.

EXCEPTION_EXECUTE_HANDLER

#define EXCEPTION_EXECUTE_HANDLER   1

Definition at line 58 of file unixxcpt.cpp.

GetExceptionCode

#define GetExceptionCode

(

)

Value:

(**((int**)__vcer.xcept_ptrs))

Definition at line 74 of file unixxcpt.cpp.

GetExceptionInformation

#define GetExceptionInformation

(

)

Value:

__vcer.xcept_ptrs

Definition at line 71 of file unixxcpt.cpp.

RpcExceptionCode

#define RpcExceptionCode

(

)

Value:

GetExceptionCode()

Definition at line 77 of file unixxcpt.cpp.

TRYLEVEL_NONE

#define TRYLEVEL_NONE   -1

Definition at line 162 of file unixxcpt.cpp.

Enumeration Type Documentation

EXCEPTION_DISPOSITION

enum EXCEPTION_DISPOSITION

Enumerator
ExceptionContinueExecution
ExceptionContinueSearch
ExceptionNestedException
ExceptionCollidedUnwind

Definition at line 62 of file unixxcpt.cpp.

Function Documentation

_global_unwind2()

void _global_unwind2

(

void *

)

References _global_unwind2().

_local_unwind2()

void _local_unwind2	(	void *	,
		int	)

References _local_unwind2(), and mexcept_handler3().

mexcept_handler3()

int __cdecl mexcept_handler3	(	struct _EXCEPTION_RECORD *	pExceptionRecord,
		VC_EXCEPTION_REGISTRATION *	pRegistrationFrame,
		struct _CONTEXT *	pContextRecord,
		void *	)

continue search

Definition at line 174 of file unixxcpt.cpp.

References _global_unwind2(), _local_unwind2(), EH_EXIT_UNWIND, EH_UNWINDING, EXCEPTION_CONTINUE_SEARCH, ExceptionContinueExecution, ExceptionContinueSearch, mexcept_handler3(), and TRYLEVEL_NONE.