github.com/twelsh-aw/go/src@v0.0.0-20230516233729-a56fe86a7c81/runtime/internal/syscall/asm_linux_arm.s (about)

     1  // Copyright 2022 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  #include "textflag.h"
     6  
     7  // func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr)
     8  TEXT ·Syscall6(SB),NOSPLIT,$0-40
     9  	MOVW	num+0(FP), R7	// syscall entry
    10  	MOVW	a1+4(FP), R0
    11  	MOVW	a2+8(FP), R1
    12  	MOVW	a3+12(FP), R2
    13  	MOVW	a4+16(FP), R3
    14  	MOVW	a5+20(FP), R4
    15  	MOVW	a6+24(FP), R5
    16  	SWI	$0
    17  	MOVW	$0xfffff001, R6
    18  	CMP	R6, R0
    19  	BLS	ok
    20  	MOVW	$-1, R1
    21  	MOVW	R1, r1+28(FP)
    22  	MOVW	$0, R2
    23  	MOVW	R2, r2+32(FP)
    24  	RSB	$0, R0, R0
    25  	MOVW	R0, errno+36(FP)
    26  	RET
    27  ok:
    28  	MOVW	R0, r1+28(FP)
    29  	MOVW	R1, r2+32(FP)
    30  	MOVW	$0, R0
    31  	MOVW	R0, errno+36(FP)
    32  	RET