This macro, regs_return_value, is used mainly for audit to record system call's results, but may also be used in test_kprobes.c.
Acked-by Will Deacon will.deacon@arm.com Acked-by: Richard Guy Briggs rgb@redhat.com Signed-off-by: AKASHI Takahiro takahiro.akashi@linaro.org --- arch/arm64/include/asm/ptrace.h | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h index 0e7fa49..5800ec1 100644 --- a/arch/arm64/include/asm/ptrace.h +++ b/arch/arm64/include/asm/ptrace.h @@ -134,6 +134,11 @@ struct pt_regs { #define user_stack_pointer(regs) \ ((regs)->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)