| // 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 |
