golang.org/x/sys@v0.20.1-0.20240517151509-673e0f94c16d/unix/asm_linux_s390x.s (about)

     1  // Copyright 2016 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 && s390x && gc
     6  
     7  #include "textflag.h"
     8  
     9  //
    10  // System calls for s390x, 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  	BR	syscall·Syscall(SB)
    18  
    19  TEXT ·Syscall6(SB),NOSPLIT,$0-80
    20  	BR	syscall·Syscall6(SB)
    21  
    22  TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
    23  	BL	runtime·entersyscall(SB)
    24  	MOVD	a1+8(FP), R2
    25  	MOVD	a2+16(FP), R3
    26  	MOVD	a3+24(FP), R4
    27  	MOVD	$0, R5
    28  	MOVD	$0, R6
    29  	MOVD	$0, R7
    30  	MOVD	trap+0(FP), R1	// syscall entry
    31  	SYSCALL
    32  	MOVD	R2, r1+32(FP)
    33  	MOVD	R3, r2+40(FP)
    34  	BL	runtime·exitsyscall(SB)
    35  	RET
    36  
    37  TEXT ·RawSyscall(SB),NOSPLIT,$0-56
    38  	BR	syscall·RawSyscall(SB)
    39  
    40  TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
    41  	BR	syscall·RawSyscall6(SB)
    42  
    43  TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
    44  	MOVD	a1+8(FP), R2
    45  	MOVD	a2+16(FP), R3
    46  	MOVD	a3+24(FP), R4
    47  	MOVD	$0, R5
    48  	MOVD	$0, R6
    49  	MOVD	$0, R7
    50  	MOVD	trap+0(FP), R1	// syscall entry
    51  	SYSCALL
    52  	MOVD	R2, r1+32(FP)
    53  	MOVD	R3, r2+40(FP)
    54  	RET