diff options
Diffstat (limited to 'arch/um/sys-i386/fault.c')
| -rw-r--r-- | arch/um/sys-i386/fault.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/um/sys-i386/fault.c b/arch/um/sys-i386/fault.c new file mode 100644 index 0000000..d0bbcdf --- /dev/null +++ b/arch/um/sys-i386/fault.c @@ -0,0 +1,42 @@ +/* + * 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: + */ |
