| Brad Fitzpatrick | 5194744 | 2016-03-01 22:57:46 +0000 | [diff] [blame] | 1 | // Copyright 2015 The Go Authors. All rights reserved. |
| Yao Zhang | 424738e | 2015-09-10 11:25:58 -0400 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style |
| 3 | // license that can be found in the LICENSE file. |
| 4 | |
| 5 | // +build mips64 mips64le |
| 6 | |
| 7 | #include "go_asm.h" |
| 8 | #include "go_tls.h" |
| 9 | #include "funcdata.h" |
| 10 | #include "textflag.h" |
| 11 | |
| 12 | // If !iscgo, this is a no-op. |
| 13 | // |
| Cherry Zhang | a409fb8 | 2016-04-27 22:17:36 -0400 | [diff] [blame] | 14 | // NOTE: mcall() assumes this clobbers only R23 (REGTMP). |
| Austin Clements | dfbf568 | 2018-01-25 12:15:23 -0500 | [diff] [blame] | 15 | TEXT runtime·save_g(SB),NOSPLIT|NOFRAME,$0-0 |
| Cherry Zhang | a409fb8 | 2016-04-27 22:17:36 -0400 | [diff] [blame] | 16 | MOVB runtime·iscgo(SB), R23 |
| 17 | BEQ R23, nocgo |
| Yao Zhang | 424738e | 2015-09-10 11:25:58 -0400 | [diff] [blame] | 18 | |
| Cherry Zhang | b6687c8 | 2016-04-27 22:18:24 -0400 | [diff] [blame] | 19 | MOVV R3, R23 // save R3 |
| 20 | MOVV g, runtime·tls_g(SB) // TLS relocation clobbers R3 |
| 21 | MOVV R23, R3 // restore R3 |
| 22 | |
| Yao Zhang | 424738e | 2015-09-10 11:25:58 -0400 | [diff] [blame] | 23 | nocgo: |
| 24 | RET |
| 25 | |
| Austin Clements | dfbf568 | 2018-01-25 12:15:23 -0500 | [diff] [blame] | 26 | TEXT runtime·load_g(SB),NOSPLIT|NOFRAME,$0-0 |
| Cherry Zhang | b6687c8 | 2016-04-27 22:18:24 -0400 | [diff] [blame] | 27 | MOVV runtime·tls_g(SB), g // TLS relocation clobbers R3 |
| Yao Zhang | 424738e | 2015-09-10 11:25:58 -0400 | [diff] [blame] | 28 | RET |
| Cherry Zhang | b6687c8 | 2016-04-27 22:18:24 -0400 | [diff] [blame] | 29 | |
| 30 | GLOBL runtime·tls_g(SB), TLSBSS, $8 |
