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asm_linux_amd64.s (1204B)


      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)