diff options
Diffstat (limited to 'src/runtime/tls_riscv64.s')
| -rw-r--r-- | src/runtime/tls_riscv64.s | 30 |
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 |