| // 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 X4, 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 X4, X31 // add offset to thread pointer (X4) | |
| MOV (X31), g | |
| RET | |
| GLOBL runtime·tls_g(SB), TLSBSS, $8 |