From 329e79299daaa994b8e75941331a1093051ea5d9 Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Tue, 4 Feb 2020 09:29:13 -0500
Subject: move riscv64 register index constants to signal.h

under _GNU_SOURCE for namespace cleanliness, analogous to other archs.
the original placement in sys/reg.h seems not to have been motivated;
such a header isn't even present on other implementations.

Downloaded from upstream commit
https://git.musl-libc.org/cgit/musl/commit/?id=329e79299daaa994b8e75941331a1093051ea5d9

Signed-off-by: Mark Corbin <mark@dibsco.co.uk>
---
 arch/riscv64/bits/reg.h    | 6 ------
 arch/riscv64/bits/signal.h | 9 +++++++++
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/arch/riscv64/bits/reg.h b/arch/riscv64/bits/reg.h
index c800788c..2633f39d 100644
--- a/arch/riscv64/bits/reg.h
+++ b/arch/riscv64/bits/reg.h
@@ -1,8 +1,2 @@
 #undef __WORDSIZE
 #define __WORDSIZE 64
-#define REG_PC 0
-#define REG_RA 1
-#define REG_SP 2
-#define REG_TP 4
-#define REG_S0 8
-#define REG_A0 10
diff --git a/arch/riscv64/bits/signal.h b/arch/riscv64/bits/signal.h
index 2ff4be30..b006334f 100644
--- a/arch/riscv64/bits/signal.h
+++ b/arch/riscv64/bits/signal.h
@@ -35,6 +35,15 @@ typedef struct mcontext_t {
 	union __riscv_mc_fp_state __fpregs;
 } mcontext_t;
 
+#if defined(_GNU_SOURCE)
+#define REG_PC 0
+#define REG_RA 1
+#define REG_SP 2
+#define REG_TP 4
+#define REG_S0 8
+#define REG_A0 10
+#endif
+
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 typedef unsigned long greg_t;
 typedef unsigned long gregset_t[32];
-- 
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