asm_linux_386.s (1483B)
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 5 //go:build gc 6 // +build gc 7 8 #include "textflag.h" 9 10 // 11 // System calls for 386, Linux 12 // 13 14 // See ../runtime/sys_linux_386.s for the reason why we always use int 0x80 15 // instead of the glibc-specific "CALL 0x10(GS)". 16 #define INVOKE_SYSCALL INT $0x80 17 18 // Just jump to package syscall's implementation for all these functions. 19 // The runtime may know about them. 20 21 TEXT ·Syscall(SB),NOSPLIT,$0-28 22 JMP syscall·Syscall(SB) 23 24 TEXT ·Syscall6(SB),NOSPLIT,$0-40 25 JMP syscall·Syscall6(SB) 26 27 TEXT ·SyscallNoError(SB),NOSPLIT,$0-24 28 CALL runtime·entersyscall(SB) 29 MOVL trap+0(FP), AX // syscall entry 30 MOVL a1+4(FP), BX 31 MOVL a2+8(FP), CX 32 MOVL a3+12(FP), DX 33 MOVL $0, SI 34 MOVL $0, DI 35 INVOKE_SYSCALL 36 MOVL AX, r1+16(FP) 37 MOVL DX, r2+20(FP) 38 CALL runtime·exitsyscall(SB) 39 RET 40 41 TEXT ·RawSyscall(SB),NOSPLIT,$0-28 42 JMP syscall·RawSyscall(SB) 43 44 TEXT ·RawSyscall6(SB),NOSPLIT,$0-40 45 JMP syscall·RawSyscall6(SB) 46 47 TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24 48 MOVL trap+0(FP), AX // syscall entry 49 MOVL a1+4(FP), BX 50 MOVL a2+8(FP), CX 51 MOVL a3+12(FP), DX 52 MOVL $0, SI 53 MOVL $0, DI 54 INVOKE_SYSCALL 55 MOVL AX, r1+16(FP) 56 MOVL DX, r2+20(FP) 57 RET 58 59 TEXT ·socketcall(SB),NOSPLIT,$0-36 60 JMP syscall·socketcall(SB) 61 62 TEXT ·rawsocketcall(SB),NOSPLIT,$0-36 63 JMP syscall·rawsocketcall(SB) 64 65 TEXT ·seek(SB),NOSPLIT,$0-28 66 JMP syscall·seek(SB)