OpenCloudOS-Kernel/arch/um/sys-i386/fault.c

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/*
* Copyright (C) 2002 - 2004 Jeff Dike (jdike@addtoit.com)
* Licensed under the GPL
*/
#include <signal.h>
#include "sysdep/ptrace.h"
#include "sysdep/sigcontext.h"
/* These two are from asm-um/uaccess.h and linux/module.h, check them. */
struct exception_table_entry
{
unsigned long insn;
unsigned long fixup;
};
const struct exception_table_entry *search_exception_tables(unsigned long add);
/* Compare this to arch/i386/mm/extable.c:fixup_exception() */
int arch_fixup(unsigned long address, void *sc_ptr)
{
struct sigcontext *sc = sc_ptr;
const struct exception_table_entry *fixup;
fixup = search_exception_tables(address);
if(fixup != 0){
sc->eip = fixup->fixup;
return(1);
}
return(0);
}
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-file-style: "linux"
* End:
*/