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-rw-r--r--arch/arc/include/asm/ptrace.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arc/include/asm/ptrace.h b/arch/arc/include/asm/ptrace.h
index 446e55e..4c93594 100644
--- a/arch/arc/include/asm/ptrace.h
+++ b/arch/arc/include/asm/ptrace.h
@@ -86,6 +86,11 @@ struct callee_regs {
sp = -1; \
sp; \
})
+
+/* return 1 if in syscall, 0 if Intr or Exception */
+#define in_syscall(regs) (((regs->orig_r8) >= 0 && \
+ (regs->orig_r8 <= NR_syscalls)) ? 1 : 0)
+
#endif /* !__ASSEMBLY__ */
#endif /* __KERNEL__ */