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-rw-r--r--include/linux/ptrace.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 1951805df63a..56f2d63a5cbb 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -273,6 +273,18 @@ static inline void user_enable_block_step(struct task_struct *task)
}
#endif /* arch_has_block_step */
+#ifdef ARCH_HAS_USER_SINGLE_STEP_INFO
+extern void user_single_step_siginfo(struct task_struct *tsk,
+ struct pt_regs *regs, siginfo_t *info);
+#else
+static inline void user_single_step_siginfo(struct task_struct *tsk,
+ struct pt_regs *regs, siginfo_t *info)
+{
+ memset(info, 0, sizeof(*info));
+ info->si_signo = SIGTRAP;
+}
+#endif
+
#ifndef arch_ptrace_stop_needed
/**
* arch_ptrace_stop_needed - Decide whether arch_ptrace_stop() should be called