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-rw-r--r--arch/riscv64/bits/signal.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/riscv64/bits/signal.h b/arch/riscv64/bits/signal.h
index fd6157a3..6a53feb7 100644
--- a/arch/riscv64/bits/signal.h
+++ b/arch/riscv64/bits/signal.h
@@ -41,7 +41,9 @@ typedef struct mcontext_t {
#define REG_SP 2
#define REG_TP 4
#define REG_S0 8
+#define REG_S1 9
#define REG_A0 10
+#define REG_S2 18
#endif
#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)