// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

#include "textflag.h"
#include "funcdata.h"

//
// System calls for arm, Linux
//

#define SYS__LLSEEK 140  /* from zsysnum_linux_arm.go */
// func seek(fd int, offset int64, whence int) (newoffset int64, errno int)
// Implemented in assembly to avoid allocation when
// taking the address of the return value newoffset.

	MOVL	$0, DI
	INVOKE_SYSCALL
	CMPL	AX, $0xfffff001
	JLS	oksock1
	MOVL	$-1, n+28(FP)
	NEGL	AX
	MOVL	AX, err+32(FP)
	RET
oksock1:
	MOVL	AX, n+28(FP)
	MOVL	$0, err+32(FP)
	RET

#define SYS__LLSEEK 140	/* from zsysnum_linux_386.go */
// func Seek(fd int, offset int64, whence int) (newoffset int64, err int)
// Implemented in assembly to avoid allocation when
// taking the address of the return value newoffset.

)

func seek(fd int, offset int64, whence int) (int64, syscall.Errno) {
	var newoffset int64
	offsetLow := uint32(offset & 0xffffffff)
	offsetHigh := uint32((offset >> 32) & 0xffffffff)
	_, _, err := Syscall6(SYS__LLSEEK, uintptr(fd), uintptr(offsetHigh), uintptr(offsetLow), uintptr(unsafe.Pointer(&newoffset)), uintptr(whence), 0)
	return newoffset, err
}

func socketcall(call int, a0, a1, a2, a3, a4, a5 uintptr) (int, syscall.Errno) {

)

func seek(fd int, offset int64, whence int) (int64, syscall.Errno) {
	var newoffset int64
	offsetLow := uint32(offset & 0xffffffff)
	offsetHigh := uint32((offset >> 32) & 0xffffffff)
	_, _, err := Syscall6(SYS__LLSEEK, uintptr(fd), uintptr(offsetHigh), uintptr(offsetLow), uintptr(unsafe.Pointer(&newoffset)), uintptr(whence), 0)
	return newoffset, err

	SYS_BDFLUSH                = 4134
	SYS_SYSFS                  = 4135
	SYS_PERSONALITY            = 4136
	SYS_AFS_SYSCALL            = 4137
	SYS_SETFSUID               = 4138
	SYS_SETFSGID               = 4139
	SYS__LLSEEK                = 4140
	SYS_GETDENTS               = 4141
	SYS__NEWSELECT             = 4142
	SYS_FLOCK                  = 4143
	SYS_MSYNC                  = 4144
	SYS_READV                  = 4145

	SYS_FCHDIR                 = 133
	SYS_BDFLUSH                = 134
	SYS_SYSFS                  = 135
	SYS_PERSONALITY            = 136
	SYS_SETFSUID               = 138
	SYS_SETFSGID               = 139
	SYS__LLSEEK                = 140
	SYS_GETDENTS               = 141
	SYS__NEWSELECT             = 142
	SYS_FLOCK                  = 143
	SYS_MSYNC                  = 144
	SYS_READV                  = 145

	SYS_BDFLUSH                = 134
	SYS_SYSFS                  = 135
	SYS_PERSONALITY            = 136
	SYS_AFS_SYSCALL            = 137
	SYS_SETFSUID               = 138
	SYS_SETFSGID               = 139
	SYS__LLSEEK                = 140
	SYS_GETDENTS               = 141
	SYS__NEWSELECT             = 142
	SYS_FLOCK                  = 143
	SYS_MSYNC                  = 144
	SYS_READV                  = 145

	SYS_BDFLUSH                = 4134
	SYS_SYSFS                  = 4135
	SYS_PERSONALITY            = 4136
	SYS_AFS_SYSCALL            = 4137
	SYS_SETFSUID               = 4138
	SYS_SETFSGID               = 4139
	SYS__LLSEEK                = 4140
	SYS_GETDENTS               = 4141
	SYS__NEWSELECT             = 4142
	SYS_FLOCK                  = 4143
	SYS_MSYNC                  = 4144
	SYS_READV                  = 4145

	SYS_BDFLUSH                = 134
	SYS_SYSFS                  = 135
	SYS_PERSONALITY            = 136
	SYS_AFS_SYSCALL            = 137
	SYS_SETFSUID               = 138
	SYS_SETFSGID               = 139
	SYS__LLSEEK                = 140
	SYS_GETDENTS               = 141
	SYS__NEWSELECT             = 142
	SYS_FLOCK                  = 143
	SYS_MSYNC                  = 144
	SYS_READV                  = 145

	SYS_BDFLUSH                = 134
	SYS_SYSFS                  = 135
	SYS_PERSONALITY            = 136
	SYS_AFS_SYSCALL            = 137
	SYS_SETFSUID               = 138
	SYS_SETFSGID               = 139
	SYS__LLSEEK                = 140
	SYS_GETDENTS               = 141
	SYS__NEWSELECT             = 142
	SYS_FLOCK                  = 143
	SYS_MSYNC                  = 144
	SYS_READV                  = 145