golang.org/x/sys@v0.20.1-0.20240517151509-673e0f94c16d/unix/asm_linux_amd64.s (about)

     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  
     7  #include "textflag.h"
     8  
     9  //
    10  // System calls for AMD64, Linux
    11  //
    12  
    13  // Just jump to package syscall's implementation for all these functions.
    14  // The runtime may know about them.
    15  
    16  TEXT ·Syscall(SB),NOSPLIT,$0-56
    17  	JMP	syscall·Syscall(SB)
    18  
    19  TEXT ·Syscall6(SB),NOSPLIT,$0-80
    20  	JMP	syscall·Syscall6(SB)
    21  
    22  TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
    23  	CALL	runtime·entersyscall(SB)
    24  	MOVQ	a1+8(FP), DI
    25  	MOVQ	a2+16(FP), SI
    26  	MOVQ	a3+24(FP), DX
    27  	MOVQ	$0, R10
    28  	MOVQ	$0, R8
    29  	MOVQ	$0, R9
    30  	MOVQ	trap+0(FP), AX	// syscall entry
    31  	SYSCALL
    32  	MOVQ	AX, r1+32(FP)
    33  	MOVQ	DX, r2+40(FP)
    34  	CALL	runtime·exitsyscall(SB)
    35  	RET
    36  
    37  TEXT ·RawSyscall(SB),NOSPLIT,$0-56
    38  	JMP	syscall·RawSyscall(SB)
    39  
    40  TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
    41  	JMP	syscall·RawSyscall6(SB)
    42  
    43  TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
    44  	MOVQ	a1+8(FP), DI
    45  	MOVQ	a2+16(FP), SI
    46  	MOVQ	a3+24(FP), DX
    47  	MOVQ	$0, R10
    48  	MOVQ	$0, R8
    49  	MOVQ	$0, R9
    50  	MOVQ	trap+0(FP), AX	// syscall entry
    51  	SYSCALL
    52  	MOVQ	AX, r1+32(FP)
    53  	MOVQ	DX, r2+40(FP)
    54  	RET
    55  
    56  TEXT ·gettimeofday(SB),NOSPLIT,$0-16
    57  	JMP	syscall·gettimeofday(SB)