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-rw-r--r--arch/arm64/include/asm/ptrace.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h
index 59bd5ad7a02d..5db016e6d065 100644
--- a/arch/arm64/include/asm/ptrace.h
+++ b/arch/arm64/include/asm/ptrace.h
@@ -135,6 +135,11 @@ struct pt_regs {
#define user_stack_pointer(regs) \
(!compat_user_mode(regs) ? (regs)->sp : (regs)->compat_sp)
+static inline unsigned long regs_return_value(struct pt_regs *regs)
+{
+ return regs->regs[0];
+}
+
/*
* Are the current registers suitable for user mode? (used to maintain
* security in signal handlers)