golang.org/x/sys@v0.20.1-0.20240517151509-673e0f94c16d/unix/asm_linux_arm64.s (about)

     1  // Copyright 2015 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 linux && arm64 && gc
     6  
     7  #include "textflag.h"
     8  
     9  // Just jump to package syscall's implementation for all these functions.
    10  // The runtime may know about them.
    11  
    12  TEXT ·Syscall(SB),NOSPLIT,$0-56
    13  	B	syscall·Syscall(SB)
    14  
    15  TEXT ·Syscall6(SB),NOSPLIT,$0-80
    16  	B	syscall·Syscall6(SB)
    17  
    18  TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
    19  	BL	runtime·entersyscall(SB)
    20  	MOVD	a1+8(FP), R0
    21  	MOVD	a2+16(FP), R1
    22  	MOVD	a3+24(FP), R2
    23  	MOVD	$0, R3
    24  	MOVD	$0, R4
    25  	MOVD	$0, R5
    26  	MOVD	trap+0(FP), R8	// syscall entry
    27  	SVC
    28  	MOVD	R0, r1+32(FP)	// r1
    29  	MOVD	R1, r2+40(FP)	// r2
    30  	BL	runtime·exitsyscall(SB)
    31  	RET
    32  
    33  TEXT ·RawSyscall(SB),NOSPLIT,$0-56
    34  	B	syscall·RawSyscall(SB)
    35  
    36  TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
    37  	B	syscall·RawSyscall6(SB)
    38  
    39  TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
    40  	MOVD	a1+8(FP), R0
    41  	MOVD	a2+16(FP), R1
    42  	MOVD	a3+24(FP), R2
    43  	MOVD	$0, R3
    44  	MOVD	$0, R4
    45  	MOVD	$0, R5
    46  	MOVD	trap+0(FP), R8	// syscall entry
    47  	SVC
    48  	MOVD	R0, r1+32(FP)
    49  	MOVD	R1, r2+40(FP)
    50  	RET