newlib/winsup/cygwin/exception.h

43 lines
997 B
C++

/* exception.h
Copyright 2010, 2011, 2012, 2013 Red Hat, Inc.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#pragma once
#include <exceptions.h>
extern exception_list *_except_list asm ("%fs:0");
class exception
{
exception_list el;
exception_list *save;
static int handle (EXCEPTION_RECORD *, exception_list *, CONTEXT *, void *);
public:
exception () __attribute__ ((always_inline))
{
save = _except_list;
el.handler = handle;
el.prev = _except_list;
_except_list = &el;
};
~exception () __attribute__ ((always_inline)) { _except_list = save; }
};
class cygwin_exception
{
DWORD ebp;
PCONTEXT ctx;
EXCEPTION_RECORD *e;
void dump_exception ();
public:
cygwin_exception (DWORD in_ebp, PCONTEXT in_ctx = NULL, EXCEPTION_RECORD *in_e = NULL):
ebp (in_ebp), ctx (in_ctx), e (in_e) {}
void dumpstack ();
PCONTEXT context () const {return ctx;}
};