| Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 1 | // Copyright 2015 The Go Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style |
| 3 | // license that can be found in the LICENSE file. |
| 4 | |
| David K. Bainbridge | e05cf0c | 2021-08-19 03:16:50 +0000 | [diff] [blame^] | 5 | //go:build linux && arm64 && gc |
| Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 6 | // +build linux |
| 7 | // +build arm64 |
| David K. Bainbridge | e05cf0c | 2021-08-19 03:16:50 +0000 | [diff] [blame^] | 8 | // +build gc |
| Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 9 | |
| 10 | #include "textflag.h" |
| 11 | |
| 12 | // Just jump to package syscall's implementation for all these functions. |
| 13 | // The runtime may know about them. |
| 14 | |
| 15 | TEXT ·Syscall(SB),NOSPLIT,$0-56 |
| 16 | B syscall·Syscall(SB) |
| 17 | |
| 18 | TEXT ·Syscall6(SB),NOSPLIT,$0-80 |
| 19 | B syscall·Syscall6(SB) |
| 20 | |
| 21 | TEXT ·SyscallNoError(SB),NOSPLIT,$0-48 |
| 22 | BL runtime·entersyscall(SB) |
| 23 | MOVD a1+8(FP), R0 |
| 24 | MOVD a2+16(FP), R1 |
| 25 | MOVD a3+24(FP), R2 |
| 26 | MOVD $0, R3 |
| 27 | MOVD $0, R4 |
| 28 | MOVD $0, R5 |
| 29 | MOVD trap+0(FP), R8 // syscall entry |
| 30 | SVC |
| 31 | MOVD R0, r1+32(FP) // r1 |
| 32 | MOVD R1, r2+40(FP) // r2 |
| 33 | BL runtime·exitsyscall(SB) |
| 34 | RET |
| 35 | |
| 36 | TEXT ·RawSyscall(SB),NOSPLIT,$0-56 |
| 37 | B syscall·RawSyscall(SB) |
| 38 | |
| 39 | TEXT ·RawSyscall6(SB),NOSPLIT,$0-80 |
| 40 | B syscall·RawSyscall6(SB) |
| 41 | |
| 42 | TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48 |
| 43 | MOVD a1+8(FP), R0 |
| 44 | MOVD a2+16(FP), R1 |
| 45 | MOVD a3+24(FP), R2 |
| 46 | MOVD $0, R3 |
| 47 | MOVD $0, R4 |
| 48 | MOVD $0, R5 |
| 49 | MOVD trap+0(FP), R8 // syscall entry |
| 50 | SVC |
| 51 | MOVD R0, r1+32(FP) |
| 52 | MOVD R1, r2+40(FP) |
| 53 | RET |