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// Copyright 2015 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. #include "textflag.h" // func Syscall(trap int64, a1, a2, a3 int64) (r1, r2, err int64); TEXT ·Syscall(SB),NOSPLIT,$0-56 BL runtime·entersyscall(SB) MOVD a1+8(FP), R0 MOVD a2+16(FP), R1 MOVD a3+24(FP), R2 MOVD $0, R3 MOVD $0, R4 MOVD $0, R5 MOVD trap+0(FP), R8 // syscall entry SVC CMN $4095, R0 BCC ok MOVD $-1, R4 MOVD R4, r1+32(FP) // r1 MOVD ZR, r2+40(FP) // r2 NEG R0, R0 MOVD R0, err+48(FP) // errno BL runtime·exitsyscall(SB) RET ok: MOVD R0, r1+32(FP) // r1 MOVD R1, r2+40(FP) // r2 MOVD ZR, err+48(FP) // errno BL runtime·exitsyscall(SB) RET TEXT ·Syscall6(SB),NOSPLIT,$0-80 BL runtime·entersyscall(SB) MOVD a1+8(FP), R0 MOVD a2+16(FP), R1 MOVD a3+24(FP), R2 MOVD a4+32(FP), R3 MOVD a5+40(FP), R4 MOVD a6+48(FP), R5 MOVD trap+0(FP), R8 // syscall entry SVC CMN $4095, R0 BCC ok MOVD $-1, R4 MOVD R4, r1+56(FP) // r1 MOVD ZR, r2+64(FP) // r2 NEG R0, R0 MOVD R0, err+72(FP) // errno BL runtime·exitsyscall(SB) RET ok: MOVD R0, r1+56(FP) // r1 MOVD R1, r2+64(FP) // r2 MOVD ZR, err+72(FP) // errno BL runtime·exitsyscall(SB) RET TEXT ·RawSyscall(SB),NOSPLIT,$0-56 MOVD a1+8(FP), R0 MOVD a2+16(FP), R1 MOVD a3+24(FP), R2 MOVD $0, R3 MOVD $0, R4 MOVD $0, R5 MOVD trap+0(FP), R8 // syscall entry SVC CMN $4095, R0 BCC ok MOVD $-1, R4 MOVD R4, r1+32(FP) // r1 MOVD ZR, r2+40(FP) // r2 NEG R0, R0 MOVD R0, err+48(FP) // errno RET ok: MOVD R0, r1+32(FP) // r1 MOVD R1, r2+40(FP) // r2 MOVD ZR, err+48(FP) // errno RET TEXT ·RawSyscall6(SB),NOSPLIT,$0-80 MOVD a1+8(FP), R0 MOVD a2+16(FP), R1 MOVD a3+24(FP), R2 MOVD a4+32(FP), R3 MOVD a5+40(FP), R4 MOVD a6+48(FP), R5 MOVD trap+0(FP), R8 // syscall entry SVC CMN $4095, R0 BCC ok MOVD $-1, R4 MOVD R4, r1+56(FP) // r1 MOVD ZR, r2+64(FP) // r2 NEG R0, R0 MOVD R0, err+72(FP) // errno RET ok: MOVD R0, r1+56(FP) // r1 MOVD R1, r2+64(FP) // r2 MOVD ZR, err+72(FP) // errno RET // func rawVforkSyscall(trap, a1 uintptr) (r1, err uintptr) TEXT ·rawVforkSyscall(SB),NOSPLIT,$0-32 MOVD a1+8(FP), R0 MOVD $0, R1 MOVD $0, R2 MOVD $0, R3 MOVD $0, R4 MOVD $0, R5 MOVD trap+0(FP), R8 // syscall entry SVC CMN $4095, R0 BCC ok MOVD $-1, R4 MOVD R4, r1+16(FP) // r1 NEG R0, R0 MOVD R0, err+24(FP) // errno RET ok: MOVD R0, r1+16(FP) // r1 MOVD ZR, err+24(FP) // errno RET // func rawSyscallNoError(trap uintptr, a1, a2, a3 uintptr) (r1, r2 uintptr); TEXT ·rawSyscallNoError(SB),NOSPLIT,$0-48 MOVD a1+8(FP), R0 MOVD a2+16(FP), R1 MOVD a3+24(FP), R2 MOVD $0, R3 MOVD $0, R4 MOVD $0, R5 MOVD trap+0(FP), R8 // syscall entry SVC MOVD R0, r1+32(FP) MOVD R1, r2+40(FP) RET