Commit e2cb9beb authored by Shenghou Ma's avatar Shenghou Ma Committed by David Crawshaw

syscall: darwin/arm64 support

Change-Id: I3b3f80791a1db4c2b7318f81a115972cd2237f04
Signed-off-by: 's avatarShenghou Ma <minux@golang.org>
Reviewed-on: https://go-review.googlesource.com/8783Reviewed-by: 's avatarDavid Crawshaw <crawshaw@golang.org>
parent e6d5233c
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
#include "textflag.h"
//
// System call support for ARM64, Darwin
//
// func Syscall(syscall uintptr, a1, a2, a3 uintptr) (r1, r2, err uintptr)
TEXT ·Syscall(SB),NOSPLIT,$0-56
BL runtime·entersyscall(SB)
MOVD syscall+0(FP), R16
MOVD a1+8(FP), R0
MOVD a2+16(FP), R1
MOVD a3+24(FP), R2
SVC $0x80
BCC ok
MOVD $-1, R1
MOVD R1, r1+32(FP) // r1
MOVD ZR, r2+40(FP) // r2
MOVD R0, errno+48(FP) // errno
BL runtime·exitsyscall(SB)
RET
ok:
MOVD R0, r1+32(FP) // r1
MOVD R1, r2+40(FP) // r2
MOVD ZR, errno+48(FP) // errno
BL runtime·exitsyscall(SB)
RET
// func RawSyscall(trap uintptr, a1, a2, a3 uintptr) (r1, r2, err uintptr)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
MOVD syscall+0(FP), R16 // syscall entry
MOVD a1+8(FP), R0
MOVD a2+16(FP), R1
MOVD a3+24(FP), R2
SVC $0x80
BCC ok
MOVD $-1, R1
MOVD R1, r1+32(FP) // r1
MOVD ZR, r2+40(FP) // r2
MOVD R0, errno+48(FP) // errno
RET
ok:
MOVD R0, r1+32(FP) // r1
MOVD R1, r2+40(FP) // r2
MOVD ZR, errno+48(FP) // errno
RET
// func Syscall6(trap uintptr, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
BL runtime·entersyscall(SB)
MOVD syscall+0(FP), R16 // syscall entry
MOVD a1+8(FP), R0
MOVD a2+16(FP), R1
MOVD a3+24(FP), R2
MOVD a4+32(FP), R3
MOVD a5+40(FP), R4
MOVD a6+48(FP), R5
SVC $0x80
BCC ok
MOVD $-1, R1
MOVD R1, r1+56(FP) // r1
MOVD ZR, r2+64(FP) // r2
MOVD R0, errno+72(FP) // errno
BL runtime·exitsyscall(SB)
RET
ok:
MOVD R0, r1+56(FP) // r1
MOVD R1, r2+64(FP) // r2
MOVD ZR, errno+72(FP) // errno
BL runtime·exitsyscall(SB)
RET
// func RawSyscall6(trap uintptr, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
MOVD trap+0(FP), R16 // syscall entry
MOVD a1+8(FP), R0
MOVD a2+16(FP), R1
MOVD a3+24(FP), R2
MOVD a4+32(FP), R3
MOVD a5+40(FP), R4
MOVD a6+48(FP), R5
SVC $0x80
BCC ok
MOVD $-1, R1
MOVD R1, r1+56(FP) // r1
MOVD ZR, r2+64(FP) // r2
MOVD R0, errno+72(FP) // errno
RET
ok:
MOVD R0, r1+56(FP) // r1
MOVD R1, r2+64(FP) // r2
MOVD ZR, R0
MOVD R0, errno+72(FP) // errno
RET
// Actually Syscall7
TEXT ·Syscall9(SB),NOSPLIT,$0-104
BL runtime·entersyscall(SB)
MOVD syscall+0(FP), R16 // syscall entry
MOVD a1+8(FP), R0
MOVD a2+16(FP), R1
MOVD a3+24(FP), R2
MOVD a4+32(FP), R3
MOVD a5+40(FP), R4
MOVD a6+48(FP), R5
MOVD a7+56(FP), R6
//MOVD a8+64(FP), R7
//MOVD a9+72(FP), R8
SVC $0x80
BCC ok
MOVD $-1, R1
MOVD R1, r1+80(FP) // r1
MOVD ZR, r2+88(FP) // r2
MOVD R0, errno+96(FP) // errno
BL runtime·exitsyscall(SB)
RET
ok:
MOVD R0, r1+80(FP) // r1
MOVD R1, r2+88(FP) // r2
MOVD ZR, errno+96(FP) // errno
BL runtime·exitsyscall(SB)
RET
......@@ -124,6 +124,11 @@ darwin_amd64)
mksysnum="./mksysnum_darwin.pl /usr/include/sys/syscall.h"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
darwin_arm64)
mkerrors="$mkerrors -m64"
mksysnum="./mksysnum_darwin.pl /usr/include/sys/syscall.h"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
dragonfly_386)
mkerrors="$mkerrors -m32"
mksyscall="./mksyscall.pl -l32 -dragonfly"
......
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package syscall
import "unsafe"
func Getpagesize() int { return 16384 }
func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
func NsecToTimespec(nsec int64) (ts Timespec) {
ts.Sec = nsec / 1e9
ts.Nsec = nsec % 1e9
return
}
func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 }
func NsecToTimeval(nsec int64) (tv Timeval) {
nsec += 999 // round up to microsecond
tv.Usec = int32(nsec % 1e9 / 1e3)
tv.Sec = int64(nsec / 1e9)
return
}
//sysnb gettimeofday(tp *Timeval) (sec int64, usec int32, err error)
func Gettimeofday(tv *Timeval) (err error) {
// The tv passed to gettimeofday must be non-nil
// but is otherwise unused. The answers come back
// in the two registers.
sec, usec, err := gettimeofday(tv)
tv.Sec = sec
tv.Usec = usec
return err
}
func SetKevent(k *Kevent_t, fd, mode, flags int) {
k.Ident = uint64(fd)
k.Filter = int16(mode)
k.Flags = uint16(flags)
}
func (iov *Iovec) SetLen(length int) {
iov.Len = uint64(length)
}
func (msghdr *Msghdr) SetControllen(length int) {
msghdr.Controllen = uint32(length)
}
func (cmsg *Cmsghdr) SetLen(length int) {
cmsg.Len = uint32(length)
}
func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
var length = uint64(count)
_, _, e1 := Syscall6(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(unsafe.Pointer(&length)), 0, 0)
written = int(length)
if e1 != 0 {
err = e1
}
return
}
func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) // sic
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// Created by cgo -godefs - DO NOT EDIT
// cgo -godefs types_darwin.go
package syscall
const (
sizeofPtr = 0x8
sizeofShort = 0x2
sizeofInt = 0x4
sizeofLong = 0x8
sizeofLongLong = 0x8
)
type (
_C_short int16
_C_int int32
_C_long int64
_C_long_long int64
)
type Timespec struct {
Sec int64
Nsec int64
}
type Timeval struct {
Sec int64
Usec int32
Pad_cgo_0 [4]byte
}
type Timeval32 struct {
Sec int32
Usec int32
}
type Rusage struct {
Utime Timeval
Stime Timeval
Maxrss int64
Ixrss int64
Idrss int64
Isrss int64
Minflt int64
Majflt int64
Nswap int64
Inblock int64
Oublock int64
Msgsnd int64
Msgrcv int64
Nsignals int64
Nvcsw int64
Nivcsw int64
}
type Rlimit struct {
Cur uint64
Max uint64
}
type _Gid_t uint32
type Stat_t struct {
Dev int32
Mode uint16
Nlink uint16
Ino uint64
Uid uint32
Gid uint32
Rdev int32
Pad_cgo_0 [4]byte
Atimespec Timespec
Mtimespec Timespec
Ctimespec Timespec
Birthtimespec Timespec
Size int64
Blocks int64
Blksize int32
Flags uint32
Gen uint32
Lspare int32
Qspare [2]int64
}
type Statfs_t struct {
Bsize uint32
Iosize int32
Blocks uint64
Bfree uint64
Bavail uint64
Files uint64
Ffree uint64
Fsid Fsid
Owner uint32
Type uint32
Flags uint32
Fssubtype uint32
Fstypename [16]int8
Mntonname [1024]int8
Mntfromname [1024]int8
Reserved [8]uint32
}
type Flock_t struct {
Start int64
Len int64
Pid int32
Type int16
Whence int16
}
type Fstore_t struct {
Flags uint32
Posmode int32
Offset int64
Length int64
Bytesalloc int64
}
type Radvisory_t struct {
Offset int64
Count int32
Pad_cgo_0 [4]byte
}
type Fbootstraptransfer_t struct {
Offset int64
Length uint64
Buffer *byte
}
type Log2phys_t struct {
Flags uint32
Contigbytes int64
Devoffset int64
}
type Fsid struct {
Val [2]int32
}
type Dirent struct {
Ino uint64
Seekoff uint64
Reclen uint16
Namlen uint16
Type uint8
Name [1024]int8
Pad_cgo_0 [3]byte
}
type RawSockaddrInet4 struct {
Len uint8
Family uint8
Port uint16
Addr [4]byte /* in_addr */
Zero [8]int8
}
type RawSockaddrInet6 struct {
Len uint8
Family uint8
Port uint16
Flowinfo uint32
Addr [16]byte /* in6_addr */
Scope_id uint32
}
type RawSockaddrUnix struct {
Len uint8
Family uint8
Path [104]int8
}
type RawSockaddrDatalink struct {
Len uint8
Family uint8
Index uint16
Type uint8
Nlen uint8
Alen uint8
Slen uint8
Data [12]int8
}
type RawSockaddr struct {
Len uint8
Family uint8
Data [14]int8
}
type RawSockaddrAny struct {
Addr RawSockaddr
Pad [92]int8
}
type _Socklen uint32
type Linger struct {
Onoff int32
Linger int32
}
type Iovec struct {
Base *byte
Len uint64
}
type IPMreq struct {
Multiaddr [4]byte /* in_addr */
Interface [4]byte /* in_addr */
}
type IPv6Mreq struct {
Multiaddr [16]byte /* in6_addr */
Interface uint32
}
type Msghdr struct {
Name *byte
Namelen uint32
Pad_cgo_0 [4]byte
Iov *Iovec
Iovlen int32
Pad_cgo_1 [4]byte
Control *byte
Controllen uint32
Flags int32
}
type Cmsghdr struct {
Len uint32
Level int32
Type int32
}
type Inet4Pktinfo struct {
Ifindex uint32
Spec_dst [4]byte /* in_addr */
Addr [4]byte /* in_addr */
}
type Inet6Pktinfo struct {
Addr [16]byte /* in6_addr */
Ifindex uint32
}
type IPv6MTUInfo struct {
Addr RawSockaddrInet6
Mtu uint32
}
type ICMPv6Filter struct {
Filt [8]uint32
}
const (
SizeofSockaddrInet4 = 0x10
SizeofSockaddrInet6 = 0x1c
SizeofSockaddrAny = 0x6c
SizeofSockaddrUnix = 0x6a
SizeofSockaddrDatalink = 0x14
SizeofLinger = 0x8
SizeofIPMreq = 0x8
SizeofIPv6Mreq = 0x14
SizeofMsghdr = 0x30
SizeofCmsghdr = 0xc
SizeofInet4Pktinfo = 0xc
SizeofInet6Pktinfo = 0x14
SizeofIPv6MTUInfo = 0x20
SizeofICMPv6Filter = 0x20
)
const (
PTRACE_TRACEME = 0x0
PTRACE_CONT = 0x7
PTRACE_KILL = 0x8
)
type Kevent_t struct {
Ident uint64
Filter int16
Flags uint16
Fflags uint32
Data int64
Udata *byte
}
type FdSet struct {
Bits [32]int32
}
const (
SizeofIfMsghdr = 0x70
SizeofIfData = 0x60
SizeofIfaMsghdr = 0x14
SizeofIfmaMsghdr = 0x10
SizeofIfmaMsghdr2 = 0x14
SizeofRtMsghdr = 0x5c
SizeofRtMetrics = 0x38
)
type IfMsghdr struct {
Msglen uint16
Version uint8
Type uint8
Addrs int32
Flags int32
Index uint16
Pad_cgo_0 [2]byte
Data IfData
}
type IfData struct {
Type uint8
Typelen uint8
Physical uint8
Addrlen uint8
Hdrlen uint8
Recvquota uint8
Xmitquota uint8
Unused1 uint8
Mtu uint32
Metric uint32
Baudrate uint32
Ipackets uint32
Ierrors uint32
Opackets uint32
Oerrors uint32
Collisions uint32
Ibytes uint32
Obytes uint32
Imcasts uint32
Omcasts uint32
Iqdrops uint32
Noproto uint32
Recvtiming uint32
Xmittiming uint32
Lastchange Timeval32
Unused2 uint32
Hwassist uint32
Reserved1 uint32
Reserved2 uint32
}
type IfaMsghdr struct {
Msglen uint16
Version uint8
Type uint8
Addrs int32
Flags int32
Index uint16
Pad_cgo_0 [2]byte
Metric int32
}
type IfmaMsghdr struct {
Msglen uint16
Version uint8
Type uint8
Addrs int32
Flags int32
Index uint16
Pad_cgo_0 [2]byte
}
type IfmaMsghdr2 struct {
Msglen uint16
Version uint8
Type uint8
Addrs int32
Flags int32
Index uint16
Pad_cgo_0 [2]byte
Refcount int32
}
type RtMsghdr struct {
Msglen uint16
Version uint8
Type uint8
Index uint16
Pad_cgo_0 [2]byte
Flags int32
Addrs int32
Pid int32
Seq int32
Errno int32
Use int32
Inits uint32
Rmx RtMetrics
}
type RtMetrics struct {
Locks uint32
Mtu uint32
Hopcount uint32
Expire int32
Recvpipe uint32
Sendpipe uint32
Ssthresh uint32
Rtt uint32
Rttvar uint32
Pksent uint32
Filler [4]uint32
}
const (
SizeofBpfVersion = 0x4
SizeofBpfStat = 0x8
SizeofBpfProgram = 0x10
SizeofBpfInsn = 0x8
SizeofBpfHdr = 0x14
)
type BpfVersion struct {
Major uint16
Minor uint16
}
type BpfStat struct {
Recv uint32
Drop uint32
}
type BpfProgram struct {
Len uint32
Pad_cgo_0 [4]byte
Insns *BpfInsn
}
type BpfInsn struct {
Code uint16
Jt uint8
Jf uint8
K uint32
}
type BpfHdr struct {
Tstamp Timeval32
Caplen uint32
Datalen uint32
Hdrlen uint16
Pad_cgo_0 [2]byte
}
type Termios struct {
Iflag uint64
Oflag uint64
Cflag uint64
Lflag uint64
Cc [20]uint8
Pad_cgo_0 [4]byte
Ispeed uint64
Ospeed uint64
}
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