mirror of
https://github.com/torvalds/linux.git
synced 2024-12-22 10:56:40 +00:00
229a718605
Generate irqentry and softirqentry text sections without any Kconfig dependencies. This will add extra sections, but there should be no performace impact. Suggested-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: Chris Zankel <chris@zankel.net> Cc: David S . Miller <davem@davemloft.net> Cc: Francis Deslauriers <francis.deslauriers@efficios.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: linux-arch@vger.kernel.org Cc: linux-cris-kernel@axis.com Cc: mathieu.desnoyers@efficios.com Link: http://lkml.kernel.org/r/150172789110.27216.3955739126693102122.stgit@devbox Signed-off-by: Ingo Molnar <mingo@kernel.org>
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
#ifndef _ASMARM_TRAP_H
|
|
#define _ASMARM_TRAP_H
|
|
|
|
#include <linux/list.h>
|
|
|
|
struct pt_regs;
|
|
struct task_struct;
|
|
|
|
struct undef_hook {
|
|
struct list_head node;
|
|
u32 instr_mask;
|
|
u32 instr_val;
|
|
u32 cpsr_mask;
|
|
u32 cpsr_val;
|
|
int (*fn)(struct pt_regs *regs, unsigned int instr);
|
|
};
|
|
|
|
void register_undef_hook(struct undef_hook *hook);
|
|
void unregister_undef_hook(struct undef_hook *hook);
|
|
|
|
static inline int __in_irqentry_text(unsigned long ptr)
|
|
{
|
|
extern char __irqentry_text_start[];
|
|
extern char __irqentry_text_end[];
|
|
|
|
return ptr >= (unsigned long)&__irqentry_text_start &&
|
|
ptr < (unsigned long)&__irqentry_text_end;
|
|
}
|
|
|
|
static inline int in_exception_text(unsigned long ptr)
|
|
{
|
|
extern char __exception_text_start[];
|
|
extern char __exception_text_end[];
|
|
int in;
|
|
|
|
in = ptr >= (unsigned long)&__exception_text_start &&
|
|
ptr < (unsigned long)&__exception_text_end;
|
|
|
|
return in ? : __in_irqentry_text(ptr);
|
|
}
|
|
|
|
extern void __init early_trap_init(void *);
|
|
extern void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame);
|
|
extern void ptrace_break(struct task_struct *tsk, struct pt_regs *regs);
|
|
|
|
extern void *vectors_page;
|
|
|
|
#endif
|