arm: fix build, regenerate syscall files

R=r
CC=golang-dev
https://golang.org/cl/1952046

src/pkg/syscall/mkall.sh

@@ -143,12 +143,10 @@ nacl_386)
 	mkerrors="./mkerrors_nacl.sh $NACLRUN/include/sys/errno.h"
 	;;
 linux_arm)
-	ARM="/home/kaib/public/linux-2.6.28"
+	mkerrors="$mkerrors"
 	mksyscall="./mksyscall.sh -l32"
-	mksysnum="./mksysnum_linux.sh $ARM/arch/arm/include/asm/unistd.h"
-#	mktypes="godefs -gsyscall -carm-gcc -f-I$ARM/arch/arm/include -f-I$ARM/include -f-D__deprecated='' -f-I$ARM/arch/arm/mach-at91/include -f-DCONFIG_ARCH_AT91SAM9260 "
-	mktypes="godefs -gsyscall -carm-gcc"
-	mkerrors='GORUN="qemu-arm -cpu cortex-a8" ./mkerrors.sh'
+	mksysnum="./mksysnum_linux.sh /usr/include/asm/unistd.h"
+	mktypes="godefs -gsyscall"
 	;;
 windows_386)
 	mksyscall="./mksyscall_windows.sh -l32"

src/pkg/syscall/mkerrors.sh

@@ -11,14 +11,7 @@ unset LANG
 export LC_ALL=C
 export LC_CTYPE=C
 
-case "$GOARCH" in
-arm)
-	GCC=arm-gcc
-	;;
-*)
-	GCC=gcc
-	;;
-esac
+GCC=gcc
 
 uname=$(uname)
 

src/pkg/syscall/syscall_linux_arm.go

@@ -4,15 +4,6 @@
 
 package syscall
 
-// These seem not to be defined in our gcc's ARM headers
-// and are thus missing from zerrors_linux_arm.go.
-const (
-	WSTOPPED     = 0x7f
-	O_CLOEXEC    = 0
-	EPOLLRDHUP   = EPOLLHUP
-	EPOLLONESHOT = 0x40000000
-)
-
 func Getpagesize() int { return 4096 }
 
 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
@@ -41,6 +32,7 @@ func NsecToTimeval(nsec int64) (tv Timeval) {
 //sys	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int)
 //sys	recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, errno int)
 //sys	sendto(s int, buf []byte, flags int, to uintptr, addrlen _Socklen) (errno int)
+//sys	socketpair(domain int, typ int, flags int, fd *[2]int) (errno int)
 
 //sys	Chown(path string, uid int, gid int) (errno int)
 //sys	Fchown(fd int, uid int, gid int) (errno int)

src/pkg/syscall/zsyscall_linux_arm.go

@@ -628,14 +628,6 @@ func socket(domain int, typ int, proto int) (fd int, errno int) {
 	return
 }
 
-func socketpair(domain int, typ int, proto int) (fd [2]int, errno int) {
-	var f [2]int
-	_, _, e1 := Syscall6(SYS_SOCKETPAIR, uintptr(domain), uintptr(typ), uintptr(proto), uintptr(unsafe.Pointer(&f)), 0, 0)
-	fd = f
-	errno = int(e1)
-	return
-}
-
 func getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int) {
 	_, _, e1 := Syscall(SYS_GETPEERNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
 	errno = int(e1)
@@ -669,6 +661,12 @@ func sendto(s int, buf []byte, flags int, to uintptr, addrlen _Socklen) (errno i
 	return
 }
 
+func socketpair(domain int, typ int, flags int, fd *[2]int) (errno int) {
+	_, _, e1 := Syscall6(SYS_SOCKETPAIR, uintptr(domain), uintptr(typ), uintptr(flags), uintptr(unsafe.Pointer(fd)), 0, 0)
+	errno = int(e1)
+	return
+}
+
 func Chown(path string, uid int, gid int) (errno int) {
 	_, _, e1 := Syscall(SYS_CHOWN, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(uid), uintptr(gid))
 	errno = int(e1)

src/pkg/syscall/ztypes_linux_arm.go

-// godefs -gsyscall -f-m32 types_linux.c
+// godefs -gsyscall types_linux.c
 
 // MACHINE GENERATED - DO NOT EDIT.
 
@@ -14,8 +14,11 @@ const (
 	PathMax             = 0x1000
 	SizeofSockaddrInet4 = 0x10
 	SizeofSockaddrInet6 = 0x1c
-	SizeofSockaddrAny   = 0x1c
+	SizeofSockaddrAny   = 0x70
 	SizeofSockaddrUnix  = 0x6e
+	SizeofLinger        = 0x8
+	SizeofMsghdr        = 0x1c
+	SizeofCmsghdr       = 0xc
 )
 
 // Types
@@ -114,18 +117,19 @@ type _Gid_t uint32
 
 type Stat_t struct {
 	Dev       uint64
-	__pad1   uint16
+	X__pad1   uint16
 	Pad0      [2]byte
-	__st_ino uint32
+	X__st_ino uint32
 	Mode      uint32
 	Nlink     uint32
 	Uid       uint32
 	Gid       uint32
 	Rdev      uint64
-	__pad2   uint16
-	Pad1     [2]byte
+	X__pad2   uint16
+	Pad1      [6]byte
 	Size      int64
 	Blksize   int32
+	Pad2      [4]byte
 	Blocks    int64
 	Atim      Timespec
 	Mtim      Timespec
@@ -145,6 +149,7 @@ type Statfs_t struct {
 	Namelen int32
 	Frsize  int32
 	Spare   [5]int32
+	Pad0    [4]byte
 }
 
 type Dirent struct {
@@ -152,8 +157,8 @@ type Dirent struct {
 	Off    int64
 	Reclen uint16
 	Type   uint8
-	Name   [256]int8
-	Pad0   [1]byte
+	Name   [256]uint8
+	Pad0   [5]byte
 }
 
 type RawSockaddrInet4 struct {
@@ -178,12 +183,12 @@ type RawSockaddrUnix struct {
 
 type RawSockaddr struct {
 	Family uint16
-	Data   [14]int8
+	Data   [14]uint8
 }
 
 type RawSockaddrAny struct {
 	Addr RawSockaddr
-	Pad  [12]int8
+	Pad  [96]uint8
 }
 
 type _Socklen uint32
@@ -193,32 +198,29 @@ type Linger struct {
 	Linger int32
 }
 
-type PtraceRegs struct {
-	Ebx      int32
-	Ecx      int32
-	Edx      int32
-	Esi      int32
-	Edi      int32
-	Ebp      int32
-	Eax      int32
-	Ds       uint16
-	__ds     uint16
-	Es       uint16
-	__es     uint16
-	Fs       uint16
-	__fs     uint16
-	Gs       uint16
-	__gs     uint16
-	Orig_eax int32
-	Eip      int32
-	Cs       uint16
-	__cs     uint16
-	Eflags   int32
-	Esp      int32
-	Ss       uint16
-	__ss     uint16
+type Iovec struct {
+	Base *byte
+	Len  uint32
 }
 
+type Msghdr struct {
+	Name       *byte
+	Namelen    uint32
+	Iov        *Iovec
+	Iovlen     uint32
+	Control    *byte
+	Controllen uint32
+	Flags      int32
+}
+
+type Cmsghdr struct {
+	Len   uint32
+	Level int32
+	Type  int32
+}
+
+type PtraceRegs struct{}
+
 type FdSet struct {
 	Bits [32]int32
 }
@@ -237,23 +239,23 @@ type Sysinfo_t struct {
 	Totalhigh uint32
 	Freehigh  uint32
 	Unit      uint32
-	_f        [8]int8
+	X_f       [8]uint8
 }
 
 type Utsname struct {
-	Sysname    [65]int8
-	Nodename   [65]int8
-	Release    [65]int8
-	Version    [65]int8
-	Machine    [65]int8
-	Domainname [65]int8
+	Sysname    [65]uint8
+	Nodename   [65]uint8
+	Release    [65]uint8
+	Version    [65]uint8
+	Machine    [65]uint8
+	Domainname [65]uint8
 }
 
 type Ustat_t struct {
 	Tfree  int32
 	Tinode uint32
-	Fname  [6]int8
-	Fpack  [6]int8
+	Fname  [6]uint8
+	Fpack  [6]uint8
 }
 
 type EpollEvent struct {