| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2003 PathScale, Inc. |
| 3 | * |
| 4 | * Licensed under the GPL |
| 5 | */ |
| 6 | |
| Jeff Dike | 5d86456 | 2007-05-06 14:51:24 -0700 | [diff] [blame] | 7 | #include "sysdep/ptrace.h" |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | |
| Jeff Dike | 5d86456 | 2007-05-06 14:51:24 -0700 | [diff] [blame] | 9 | /* These two are from asm-um/uaccess.h and linux/module.h, check them. */ |
| 10 | struct exception_table_entry |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | { |
| Jeff Dike | 5d86456 | 2007-05-06 14:51:24 -0700 | [diff] [blame] | 12 | unsigned long insn; |
| 13 | unsigned long fixup; |
| 14 | }; |
| 15 | |
| 16 | const struct exception_table_entry *search_exception_tables(unsigned long add); |
| Jeff Dike | 77bf440 | 2007-10-16 01:26:58 -0700 | [diff] [blame^] | 17 | int arch_fixup(unsigned long address, struct uml_pt_regs *regs) |
| Jeff Dike | 5d86456 | 2007-05-06 14:51:24 -0700 | [diff] [blame] | 18 | { |
| 19 | const struct exception_table_entry *fixup; |
| 20 | |
| 21 | fixup = search_exception_tables(address); |
| 22 | if(fixup != 0){ |
| 23 | UPT_IP(regs) = fixup->fixup; |
| 24 | return(1); |
| 25 | } |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | return(0); |
| 27 | } |