| // 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" | |
| #include "tls_arm64.h" | |
| TEXT runtime·load_g(SB),NOSPLIT,$0 | |
| MOVB runtime·iscgo(SB), R0 | |
| CMP $0, R0 | |
| BEQ nocgo | |
| MRS_TPIDR_R0 | |
| #ifdef GOOS_darwin | |
| // Darwin sometimes returns unaligned pointers | |
| AND $0xfffffffffffffff8, R0 | |
| #endif | |
| MOVD runtime·tls_g(SB), R27 | |
| ADD R27, R0 | |
| MOVD 0(R0), g | |
| nocgo: | |
| RET | |
| TEXT runtime·save_g(SB),NOSPLIT,$0 | |
| MOVB runtime·iscgo(SB), R0 | |
| CMP $0, R0 | |
| BEQ nocgo | |
| MRS_TPIDR_R0 | |
| #ifdef GOOS_darwin | |
| // Darwin sometimes returns unaligned pointers | |
| AND $0xfffffffffffffff8, R0 | |
| #endif | |
| MOVD runtime·tls_g(SB), R27 | |
| ADD R27, R0 | |
| MOVD g, 0(R0) | |
| nocgo: | |
| RET | |
| #ifdef TLSG_IS_VARIABLE | |
| GLOBL runtime·tls_g+0(SB), NOPTR, $8 | |
| #else | |
| GLOBL runtime·tls_g+0(SB), TLSBSS, $8 | |
| #endif |