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- // 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
- // +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)
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