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

https://bitbucket.org/evzijst/gittest
C | 42 lines | 20 code | 6 blank | 16 comment | 2 complexity | 6a326ee857cdc51a9d33300ca4f0ff20 MD5 | raw file
 1/* 
 2 * Copyright (C) 2002 - 2004 Jeff Dike (jdike@addtoit.com)
 3 * Licensed under the GPL
 4 */
 5
 6#include <signal.h>
 7#include "sysdep/ptrace.h"
 8#include "sysdep/sigcontext.h"
 9
10/* These two are from asm-um/uaccess.h and linux/module.h, check them. */
11struct exception_table_entry
12{
13	unsigned long insn;
14	unsigned long fixup;
15};
16
17const struct exception_table_entry *search_exception_tables(unsigned long add);
18
19/* Compare this to arch/i386/mm/extable.c:fixup_exception() */
20int arch_fixup(unsigned long address, void *sc_ptr)
21{
22	struct sigcontext *sc = sc_ptr;
23	const struct exception_table_entry *fixup;
24
25	fixup = search_exception_tables(address);
26	if(fixup != 0){
27		sc->eip = fixup->fixup;
28		return(1);
29	}
30	return(0);
31}
32
33/*
34 * Overrides for Emacs so that we follow Linus's tabbing style.
35 * Emacs will notice this stuff at the end of the file and automatically
36 * adjust the settings for this buffer only.  This must remain at the end
37 * of the file.
38 * ---------------------------------------------------------------------------
39 * Local variables:
40 * c-file-style: "linux"
41 * End:
42 */