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asm_netbsd_arm.s
// Copyright 2013 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" #include "funcdata.h" // // System call support for ARM, NetBSD // // func Syscall(trap int32, a1, a2, a3 int32) (r1, r2, err int32); // func Syscall6(trap int32, a1, a2, a3, a4, a5, a6 int32) (r1, r2, err int32); // func Syscall9(trap int32, a1, a2, a3, a4, a5, a6, a7, a8, a9 int64) (r1, r2, err int32) TEXT ·Syscall(SB),NOSPLIT,$0-28 BL runtime·entersyscall(SB) MOVW trap+0(FP), R0 // sigcall num MOVW a1+4(FP), R1 // a1 MOVW a2+8(FP), R2 // a2 MOVW a3+12(FP), R3 // a3 SWI $0 // syscall MOVW $0, R2 BCS error MOVW R0, r1+16(FP) // r1 MOVW R1, r2+20(FP) // r2 MOVW R2, err+24(FP) // err BL runtime·exitsyscall(SB) RET error: MOVW $-1, R3 MOVW R3, r1+16(FP) // r1 MOVW R2, r2+20(FP) // r2 MOVW R0, err+24(FP) // err BL runtime·exitsyscall(SB) RET TEXT ·Syscall6(SB),NOSPLIT,$0-40 BL runtime·entersyscall(SB) MOVW trap+0(FP), R0 // sigcall num MOVW a1+4(FP), R1 // a1 MOVW a2+8(FP), R2 // a2 MOVW a3+12(FP), R3 // a3 MOVW R13, R4 MOVW $a4+16(FP), R13 // a4 to a6 are passed on stack SWI $0 // syscall MOVW R4, R13 MOVW $0, R2 BCS error6 MOVW R0, r1+28(FP) // r1 MOVW R1, r2+32(FP) // r2 MOVW R2, err+36(FP) // err BL runtime·exitsyscall(SB) RET error6: MOVW $-1, R3 MOVW R3, r1+28(FP) // r1 MOVW R2, r2+32(FP) // r2 MOVW R0, err+36(FP) // err BL runtime·exitsyscall(SB) RET TEXT ·Syscall9(SB),NOSPLIT,$0-52 BL runtime·entersyscall(SB) MOVW num+0(FP), R0 // sigcall num MOVW a1+4(FP), R1 // a1 MOVW a2+8(FP), R2 // a2 MOVW a3+12(FP), R3 // a3 MOVW R13, R4 MOVW $a4+16(FP), R13 // a4 to a9 are passed on stack SWI $0 // syscall MOVW R4, R13 MOVW $0, R2 BCS error9 MOVW R0, r1+40(FP) // r1 MOVW R1, r2+44(FP) // r2 MOVW R2, err+48(FP) // err BL runtime·exitsyscall(SB) RET error9: MOVW $-1, R3 MOVW R3, r1+40(FP) // r1 MOVW R2, r2+44(FP) // r2 MOVW R0, err+48(FP) // err BL runtime·exitsyscall(SB) RET TEXT ·RawSyscall(SB),NOSPLIT,$0-28 MOVW trap+0(FP), R0 // sigcall num MOVW a1+4(FP), R1 // a1 MOVW a2+8(FP), R2 // a2 MOVW a3+12(FP), R3 // a3 SWI $0 // syscall MOVW $0, R2 BCS errorr MOVW R0, r1+16(FP) // r1 MOVW R1, r2+20(FP) // r2 MOVW R2, err+24(FP) // err RET errorr: MOVW $-1, R3 MOVW R3, r1+16(FP) // r1 MOVW R2, r2+20(FP) // r2 MOVW R0, err+24(FP) // err RET TEXT ·RawSyscall6(SB),NOSPLIT,$0-40 MOVW trap+0(FP), R0 // sigcall num MOVW a1+4(FP), R1 // a1 MOVW a2+8(FP), R2 // a2 MOVW a3+12(FP), R3 // a3 MOVW R13, R4 MOVW $a4+16(FP), R13 // a4 to a9 are passed on stack SWI $0 // syscall MOVW R4, R13 MOVW $0, R2 BCS errorr6 MOVW R0, r1+28(FP) // r1 MOVW R1, r2+32(FP) // r2 MOVW R2, err+36(FP) // err RET errorr6: MOVW $-1, R3 MOVW R3, r1+28(FP) // r1 MOVW R2, r2+32(FP) // r2 MOVW R0, err+36(FP) // err RET
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