asm_linux_amd64.s raw

   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)
  58