From 3a2e117e220f000f95187ea1e1bbe83b0ed5fdfb Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Tue, 1 May 2007 16:33:10 +0900 Subject: sh: Add die chain notifiers. Add the atomic die chains in, kprobes needs these. Signed-off-by: Paul Mundt --- include/asm-sh/kdebug.h | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 include/asm-sh/kdebug.h (limited to 'include/asm-sh/kdebug.h') diff --git a/include/asm-sh/kdebug.h b/include/asm-sh/kdebug.h new file mode 100644 index 00000000000..ef009baf5a1 --- /dev/null +++ b/include/asm-sh/kdebug.h @@ -0,0 +1,35 @@ +#ifndef __ASM_SH_KDEBUG_H +#define __ASM_SH_KDEBUG_H + +#include + +struct pt_regs; + +struct die_args { + struct pt_regs *regs; + int trapnr; +}; + +int register_die_notifier(struct notifier_block *nb); +int unregister_die_notifier(struct notifier_block *nb); +int register_page_fault_notifier(struct notifier_block *nb); +int unregister_page_fault_notifier(struct notifier_block *nb); +extern struct atomic_notifier_head shdie_chain; + +/* Grossly misnamed. */ +enum die_val { + DIE_TRAP, + DIE_PAGE_FAULT, +}; + +static inline int notify_die(enum die_val val, struct pt_regs *regs, + int trap, int sig) +{ + struct die_args args = { + .regs = regs, + .trapnr = trap, + }; + + return atomic_notifier_call_chain(&shdie_chain, val, &args); +} +#endif /* __ASM_SH_KDEBUG_H */ -- cgit v1.2.3-18-g5258