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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:19:13 +0000
commitccd992355df7192993c666236047820244914598 (patch)
treef00fea65147227b7743083c6148396f74cd66935 /src/runtime/tls_riscv64.s
parentInitial commit. (diff)
downloadgolang-1.21-ccd992355df7192993c666236047820244914598.tar.xz
golang-1.21-ccd992355df7192993c666236047820244914598.zip
Adding upstream version 1.21.8.upstream/1.21.8
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/runtime/tls_riscv64.s')
-rw-r--r--src/runtime/tls_riscv64.s30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/runtime/tls_riscv64.s b/src/runtime/tls_riscv64.s
new file mode 100644
index 0000000..397919a
--- /dev/null
+++ b/src/runtime/tls_riscv64.s
@@ -0,0 +1,30 @@
+// Copyright 2015 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include "go_asm.h"
+#include "go_tls.h"
+#include "funcdata.h"
+#include "textflag.h"
+
+// If !iscgo, this is a no-op.
+//
+// NOTE: mcall() assumes this clobbers only X31 (REG_TMP).
+TEXT runtime·save_g(SB),NOSPLIT|NOFRAME,$0-0
+ MOVB runtime·iscgo(SB), X31
+ BEQ X0, X31, nocgo
+
+ MOV runtime·tls_g(SB), X31
+ ADD TP, X31 // add offset to thread pointer (X4)
+ MOV g, (X31)
+
+nocgo:
+ RET
+
+TEXT runtime·load_g(SB),NOSPLIT|NOFRAME,$0-0
+ MOV runtime·tls_g(SB), X31
+ ADD TP, X31 // add offset to thread pointer (X4)
+ MOV (X31), g
+ RET
+
+GLOBL runtime·tls_g(SB), TLSBSS, $8