[PATCH bpf-next v3 3/4] selftests/bpf: Enable gotox liveness test for riscv64

[Chen Pei]

The riscv64 JIT now supports gotox, so enable the gotox liveness test in
compute_live_registers.c on riscv64 as well.

The guard is 64-bit only because the RV32 JIT does not implement gotox.

Signed-off-by: Chen Pei <cp0613 at linux.alibaba.com>
---

 tools/testing/selftests/bpf/progs/compute_live_registers.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/bpf/progs/compute_live_registers.c b/tools/testing/selftests/bpf/progs/compute_live_registers.c
index 941b65fe7c07..e482c10004a0 100644
--- a/tools/testing/selftests/bpf/progs/compute_live_registers.c
+++ b/tools/testing/selftests/bpf/progs/compute_live_registers.c
@@ -467,7 +467,8 @@ __naked void subprog_ret_reg_pair(void)
 		::: __clobber_all);
 }
 
-#if defined(__TARGET_ARCH_x86) || defined(__TARGET_ARCH_arm64)
+#if defined(__TARGET_ARCH_x86) || defined(__TARGET_ARCH_arm64) || \
+	(defined(__TARGET_ARCH_riscv) && __riscv_xlen == 64)
 
 SEC("socket")
 __log_level(2)
@@ -506,7 +507,7 @@ void gotox(void)
 	: __clobber_all);
 }
 
-#endif /* __TARGET_ARCH_x86 || __TARGET_ARCH_arm64 */
+#endif /* gotox: x86, arm64, riscv64 */
 
 /* to retain debug info for BTF generation */
 void kfunc_root(void)
-- 
2.50.1