diff options
author | Tony Lindgren <tony@atomide.com> | 2011-11-07 12:27:23 -0800 |
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committer | Tony Lindgren <tony@atomide.com> | 2011-11-07 12:27:23 -0800 |
commit | d30cc16c8e48368e0518f4975a78711e53e14a0f (patch) | |
tree | 26b57f7ab5a963cc3d6c57dff6951bd930875583 /arch/x86/um/fault.c | |
parent | 41eb2d813f558900884e240c2f723e36c7bd151f (diff) | |
parent | a1bcc1dcef8451b4291ea2a1b2677cb194102952 (diff) |
Merge branch 'fixes-modulesplit' into fixes
Diffstat (limited to 'arch/x86/um/fault.c')
-rw-r--r-- | arch/x86/um/fault.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/x86/um/fault.c b/arch/x86/um/fault.c new file mode 100644 index 00000000000..d670f68532f --- /dev/null +++ b/arch/x86/um/fault.c @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#include "sysdep/ptrace.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, struct uml_pt_regs *regs) +{ + const struct exception_table_entry *fixup; + + fixup = search_exception_tables(address); + if (fixup != 0) { + UPT_IP(regs) = fixup->fixup; + return 1; + } + return 0; +} |