diff options
| author | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
|---|---|---|
| committer | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
| commit | d2e1446d81725c351dc73a03b397ce043fb18452 (patch) | |
| tree | 4dbc616b7f92aea39cd697a9084205ddb805e344 /arch/cris/kernel/ptrace.c | |
first commit
Diffstat (limited to 'arch/cris/kernel/ptrace.c')
| -rw-r--r-- | arch/cris/kernel/ptrace.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/cris/kernel/ptrace.c b/arch/cris/kernel/ptrace.c new file mode 100644 index 000000000..58d44ee1a --- /dev/null +++ b/arch/cris/kernel/ptrace.c @@ -0,0 +1,44 @@ +/* + * linux/arch/cris/kernel/ptrace.c + * + * Parts taken from the m68k port. + * + * Copyright (c) 2000, 2001, 2002 Axis Communications AB + * + * Authors: Bjorn Wesen + * + */ + +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/mm.h> +#include <linux/smp.h> +#include <linux/errno.h> +#include <linux/ptrace.h> +#include <linux/user.h> +#include <linux/tracehook.h> + +#include <asm/uaccess.h> +#include <asm/page.h> +#include <asm/pgtable.h> +#include <asm/processor.h> + + +/* notification of userspace execution resumption + * - triggered by current->work.notify_resume + */ +extern int do_signal(int canrestart, struct pt_regs *regs); + + +void do_notify_resume(int canrestart, struct pt_regs *regs, + __u32 thread_info_flags) +{ + /* deal with pending signal delivery */ + if (thread_info_flags & _TIF_SIGPENDING) + do_signal(canrestart,regs); + + if (thread_info_flags & _TIF_NOTIFY_RESUME) { + clear_thread_flag(TIF_NOTIFY_RESUME); + tracehook_notify_resume(regs); + } +} |
