| khenaidoo | ac63710 | 2019-01-14 15:44:34 -0500 | [diff] [blame] | 1 | // Copyright 2009 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 | |
| khenaidoo | d948f77 | 2021-08-11 17:49:24 -0400 | [diff] [blame^] | 5 | //go:build gc |
| 6 | // +build gc |
| khenaidoo | ac63710 | 2019-01-14 15:44:34 -0500 | [diff] [blame] | 7 | |
| 8 | #include "textflag.h" |
| 9 | |
| 10 | // |
| 11 | // System calls for AMD64, Linux |
| 12 | // |
| 13 | |
| 14 | // Just jump to package syscall's implementation for all these functions. |
| 15 | // The runtime may know about them. |
| 16 | |
| 17 | TEXT ·Syscall(SB),NOSPLIT,$0-56 |
| 18 | JMP syscall·Syscall(SB) |
| 19 | |
| 20 | TEXT ·Syscall6(SB),NOSPLIT,$0-80 |
| 21 | JMP syscall·Syscall6(SB) |
| 22 | |
| 23 | TEXT ·SyscallNoError(SB),NOSPLIT,$0-48 |
| 24 | CALL runtime·entersyscall(SB) |
| 25 | MOVQ a1+8(FP), DI |
| 26 | MOVQ a2+16(FP), SI |
| 27 | MOVQ a3+24(FP), DX |
| 28 | MOVQ $0, R10 |
| 29 | MOVQ $0, R8 |
| 30 | MOVQ $0, R9 |
| 31 | MOVQ trap+0(FP), AX // syscall entry |
| 32 | SYSCALL |
| 33 | MOVQ AX, r1+32(FP) |
| 34 | MOVQ DX, r2+40(FP) |
| 35 | CALL runtime·exitsyscall(SB) |
| 36 | RET |
| 37 | |
| 38 | TEXT ·RawSyscall(SB),NOSPLIT,$0-56 |
| 39 | JMP syscall·RawSyscall(SB) |
| 40 | |
| 41 | TEXT ·RawSyscall6(SB),NOSPLIT,$0-80 |
| 42 | JMP syscall·RawSyscall6(SB) |
| 43 | |
| 44 | TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48 |
| 45 | MOVQ a1+8(FP), DI |
| 46 | MOVQ a2+16(FP), SI |
| 47 | MOVQ a3+24(FP), DX |
| 48 | MOVQ $0, R10 |
| 49 | MOVQ $0, R8 |
| 50 | MOVQ $0, R9 |
| 51 | MOVQ trap+0(FP), AX // syscall entry |
| 52 | SYSCALL |
| 53 | MOVQ AX, r1+32(FP) |
| 54 | MOVQ DX, r2+40(FP) |
| 55 | RET |
| 56 | |
| 57 | TEXT ·gettimeofday(SB),NOSPLIT,$0-16 |
| 58 | JMP syscall·gettimeofday(SB) |