| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* | 
|  | 2 | * Copyright (C) 2002 - 2004 Jeff Dike (jdike@addtoit.com) | 
|  | 3 | * Licensed under the GPL | 
|  | 4 | */ | 
|  | 5 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | #include "sysdep/ptrace.h" | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 |  | 
|  | 8 | /* These two are from asm-um/uaccess.h and linux/module.h, check them. */ | 
|  | 9 | struct exception_table_entry | 
|  | 10 | { | 
|  | 11 | unsigned long insn; | 
|  | 12 | unsigned long fixup; | 
|  | 13 | }; | 
|  | 14 |  | 
|  | 15 | const struct exception_table_entry *search_exception_tables(unsigned long add); | 
|  | 16 |  | 
|  | 17 | /* Compare this to arch/i386/mm/extable.c:fixup_exception() */ | 
| Jeff Dike | 5d86456 | 2007-05-06 14:51:24 -0700 | [diff] [blame] | 18 | int arch_fixup(unsigned long address, union uml_pt_regs *regs) | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | { | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | const struct exception_table_entry *fixup; | 
|  | 21 |  | 
|  | 22 | fixup = search_exception_tables(address); | 
|  | 23 | if(fixup != 0){ | 
| Jeff Dike | 5d86456 | 2007-05-06 14:51:24 -0700 | [diff] [blame] | 24 | UPT_IP(regs) = fixup->fixup; | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | return(1); | 
|  | 26 | } | 
|  | 27 | return(0); | 
|  | 28 | } |