| 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 | |
| 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. */ |
| 11 | struct exception_table_entry |
| 12 | { |
| 13 | unsigned long insn; |
| 14 | unsigned long fixup; |
| 15 | }; |
| 16 | |
| 17 | const struct exception_table_entry *search_exception_tables(unsigned long add); |
| 18 | |
| 19 | /* Compare this to arch/i386/mm/extable.c:fixup_exception() */ |
| 20 | int 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 | */ |