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/* exception.h
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#pragma once
#define exception_list void
typedef struct _DISPATCHER_CONTEXT *PDISPATCHER_CONTEXT;
class exception
{
static EXCEPTION_DISPOSITION myfault (EXCEPTION_RECORD *, exception_list *,
CONTEXT *, PDISPATCHER_CONTEXT);
static EXCEPTION_DISPOSITION handle (EXCEPTION_RECORD *, exception_list *,
CONTEXT *, PDISPATCHER_CONTEXT);
public:
exception () __attribute__ ((always_inline))
{
/* Install SEH handler. */
asm volatile ("\n\
1: \n\
.seh_handler \
_ZN9exception6handleEP17_EXCEPTION_RECORDPvP8_CONTEXTP19_DISPATCHER_CONTEXT, \
@except \n\
.seh_handlerdata \n\
.long 1 \n\
.rva 1b, 2f, 2f, 2f \n\
.seh_code \n");
};
~exception () __attribute__ ((always_inline))
{
asm volatile ("\n\
nop \n\
2: \n\
nop \n");
}
};
LONG CALLBACK myfault_altstack_handler (EXCEPTION_POINTERS *);
class cygwin_exception
{
PUINT_PTR framep;
PCONTEXT ctx;
EXCEPTION_RECORD *e;
HANDLE h;
void dump_exception ();
void open_stackdumpfile ();
public:
cygwin_exception (PUINT_PTR in_framep, PCONTEXT in_ctx = NULL, EXCEPTION_RECORD *in_e = NULL):
framep (in_framep), ctx (in_ctx), e (in_e), h (NULL) {}
void dumpstack ();
PCONTEXT context () const {return ctx;}
EXCEPTION_RECORD *exception_record () const {return e;}
};
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