| // Copyright 2009 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. |
| |
| //go:build gc |
| |
| #include "textflag.h" |
| |
| // |
| // System calls for 386, Linux |
| // |
| |
| // See ../runtime/sys_linux_386.s for the reason why we always use int 0x80 |
| // instead of the glibc-specific "CALL 0x10(GS)". |
| #define INVOKE_SYSCALL INT $0x80 |
| |
| // Just jump to package syscall's implementation for all these functions. |
| // The runtime may know about them. |
| |
| TEXT ·Syscall(SB),NOSPLIT,$0-28 |
| JMP syscall·Syscall(SB) |
| |
| TEXT ·Syscall6(SB),NOSPLIT,$0-40 |
| JMP syscall·Syscall6(SB) |
| |
| TEXT ·SyscallNoError(SB),NOSPLIT,$0-24 |
| CALL runtime·entersyscall(SB) |
| MOVL trap+0(FP), AX // syscall entry |
| MOVL a1+4(FP), BX |
| MOVL a2+8(FP), CX |
| MOVL a3+12(FP), DX |
| MOVL $0, SI |
| MOVL $0, DI |
| INVOKE_SYSCALL |
| MOVL AX, r1+16(FP) |
| MOVL DX, r2+20(FP) |
| CALL runtime·exitsyscall(SB) |
| RET |
| |
| TEXT ·RawSyscall(SB),NOSPLIT,$0-28 |
| JMP syscall·RawSyscall(SB) |
| |
| TEXT ·RawSyscall6(SB),NOSPLIT,$0-40 |
| JMP syscall·RawSyscall6(SB) |
| |
| TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24 |
| MOVL trap+0(FP), AX // syscall entry |
| MOVL a1+4(FP), BX |
| MOVL a2+8(FP), CX |
| MOVL a3+12(FP), DX |
| MOVL $0, SI |
| MOVL $0, DI |
| INVOKE_SYSCALL |
| MOVL AX, r1+16(FP) |
| MOVL DX, r2+20(FP) |
| RET |
| |
| TEXT ·socketcall(SB),NOSPLIT,$0-36 |
| JMP syscall·socketcall(SB) |
| |
| TEXT ·rawsocketcall(SB),NOSPLIT,$0-36 |
| JMP syscall·rawsocketcall(SB) |
| |
| TEXT ·seek(SB),NOSPLIT,$0-28 |
| JMP syscall·seek(SB) |
