Linux Kernel  3.7.1
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ptrace.c
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1 /*
2  * linux/arch/cris/kernel/ptrace.c
3  *
4  * Parts taken from the m68k port.
5  *
6  * Copyright (c) 2000, 2001, 2002 Axis Communications AB
7  *
8  * Authors: Bjorn Wesen
9  *
10  */
11 
12 #include <linux/kernel.h>
13 #include <linux/sched.h>
14 #include <linux/mm.h>
15 #include <linux/smp.h>
16 #include <linux/errno.h>
17 #include <linux/ptrace.h>
18 #include <linux/user.h>
19 #include <linux/tracehook.h>
20 
21 #include <asm/uaccess.h>
22 #include <asm/page.h>
23 #include <asm/pgtable.h>
24 #include <asm/processor.h>
25 
26 
27 /* notification of userspace execution resumption
28  * - triggered by current->work.notify_resume
29  */
30 extern int do_signal(int canrestart, struct pt_regs *regs);
31 
32 
33 void do_notify_resume(int canrestart, struct pt_regs *regs,
34  __u32 thread_info_flags)
35 {
36  /* deal with pending signal delivery */
37  if (thread_info_flags & _TIF_SIGPENDING)
38  do_signal(canrestart,regs);
39 
40  if (thread_info_flags & _TIF_NOTIFY_RESUME) {
41  clear_thread_flag(TIF_NOTIFY_RESUME);
42  tracehook_notify_resume(regs);
43  }
44 }