syscall: workaround for getsockname bug in AIX
Reviewed-on: https://go-review.googlesource.com/64552 From-SVN: r253021
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@ -1,4 +1,4 @@
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90fe3da36d904b62d47c00ee40eef4fd2693a5da
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84f827669dc76326ed99ebcc982c482aa148d8d8
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The first line of this file holds the git revision number of the last
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merge done from the gofrontend repository.
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@ -0,0 +1,89 @@
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// socket_aix.go -- Socket handling specific to AIX.
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// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package syscall
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import "unsafe"
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const SizeofSockaddrInet4 = 16
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const SizeofSockaddrInet6 = 28
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const SizeofSockaddrUnix = 1025
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type RawSockaddrInet4 struct {
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Len uint8
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Family uint8
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Port uint16
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Addr [4]byte /* in_addr */
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Zero [8]uint8
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}
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func (sa *RawSockaddrInet4) setLen() Socklen_t {
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sa.Len = SizeofSockaddrInet4
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return SizeofSockaddrInet4
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}
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type RawSockaddrInet6 struct {
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Len uint8
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Family uint8
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Port uint16
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Flowinfo uint32
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Addr [16]byte /* in6_addr */
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Scope_id uint32
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}
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func (sa *RawSockaddrInet6) setLen() Socklen_t {
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sa.Len = SizeofSockaddrInet6
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return SizeofSockaddrInet6
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}
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type RawSockaddrUnix struct {
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Len uint8
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Family uint8
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Path [1023]int8
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}
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func (sa *RawSockaddrUnix) setLen(n int) {
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sa.Len = uint8(3 + n) // 2 for Family, Len; 1 for NUL.
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}
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func (sa *RawSockaddrUnix) getLen() (int, error) {
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// Some versions of AIX have a bug in getsockname (see IV78655).
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// We can't rely on sa.Len being set correctly.
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n := SizeofSockaddrUnix - 3 // substract leading Family, Len, terminating NUL.
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for i := 0; i < n; i++ {
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if sa.Path[i] == 0 {
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n = i
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break
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}
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}
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return n, nil
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}
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func (sa *RawSockaddrUnix) adjustAbstract(sl Socklen_t) Socklen_t {
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return sl
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}
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type RawSockaddr struct {
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Len uint8
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Family uint8
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Data [14]int8
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}
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// BindToDevice binds the socket associated with fd to device.
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func BindToDevice(fd int, device string) (err error) {
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return ENOSYS
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}
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func anyToSockaddrOS(rsa *RawSockaddrAny) (Sockaddr, error) {
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return nil, EAFNOSUPPORT
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}
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func GetsockoptIPv6MTUInfo(fd, level, opt int) (*IPv6MTUInfo, error) {
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var value IPv6MTUInfo
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vallen := Socklen_t(SizeofIPv6MTUInfo)
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err := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
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return &value, err
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}
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@ -4,7 +4,7 @@
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build aix darwin dragonfly freebsd openbsd netbsd
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// +build darwin dragonfly freebsd openbsd netbsd
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package syscall
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@ -0,0 +1,49 @@
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// syscall_aix_ppc.go -- AIX 32-bit specific support
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// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package syscall
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import "unsafe"
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// AIX does not define a specific structure but instead uses separate
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// ptrace calls for the different registers.
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type PtraceRegs struct {
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Gpr [32]uint32
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Iar uint32
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Msr uint32
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Cr uint32
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Lr uint32
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Ctr uint32
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Xer uint32
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}
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func (r *PtraceRegs) PC() uint64 { return uint64(r.Iar) }
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func (r *PtraceRegs) SetPC(pc uint64) { r.Iar = uint32(pc) }
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func PtraceGetRegs(pid int, regsout *PtraceRegs) (err error) {
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ptrace(_PT_REGSET, pid, uintptr(unsafe.Pointer(®sout.Gpr[0])), 0, 0)
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regsout.Iar = uint32(ptrace(_PT_READ_GPR, pid, 128, 0, 0))
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regsout.Msr = uint32(ptrace(_PT_READ_GPR, pid, 129, 0, 0))
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regsout.Cr = uint32(ptrace(_PT_READ_GPR, pid, 130, 0, 0))
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regsout.Lr = uint32(ptrace(_PT_READ_GPR, pid, 131, 0, 0))
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regsout.Ctr = uint32(ptrace(_PT_READ_GPR, pid, 132, 0, 0))
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regsout.Xer = uint32(ptrace(_PT_READ_GPR, pid, 133, 0, 0))
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return nil
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}
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func PtraceSetRegs(pid int, regs *PtraceRegs) (err error) {
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for i := 0; i < len(regs.Gpr); i++ {
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ptrace(_PT_WRITE_GPR, pid, uintptr(i), int(regs.Gpr[i]), 0)
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}
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ptrace(_PT_WRITE_GPR, pid, 128, int(regs.Iar), 0)
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ptrace(_PT_WRITE_GPR, pid, 129, int(regs.Msr), 0)
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ptrace(_PT_WRITE_GPR, pid, 130, int(regs.Cr), 0)
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ptrace(_PT_WRITE_GPR, pid, 131, int(regs.Lr), 0)
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ptrace(_PT_WRITE_GPR, pid, 132, int(regs.Ctr), 0)
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ptrace(_PT_WRITE_GPR, pid, 133, int(regs.Xer), 0)
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return nil
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}
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@ -0,0 +1,49 @@
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// syscall_aix_ppc64.go -- AIX 64-bit specific support
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// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package syscall
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import "unsafe"
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// AIX does not define a specific structure but instead uses separate
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// ptrace calls for the different registers.
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type PtraceRegs struct {
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Gpr [32]uint64
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Iar uint64
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Msr uint64
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Cr uint64
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Lr uint64
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Ctr uint64
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Xer uint64
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}
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func (r *PtraceRegs) PC() uint64 { return r.Iar }
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func (r *PtraceRegs) SetPC(pc uint64) { r.Iar = pc }
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func PtraceGetRegs(pid int, regsout *PtraceRegs) (err error) {
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ptrace64(_PT_REGSET, int64(pid), int64(uintptr(unsafe.Pointer(®sout.Gpr[0]))), 0, 0)
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ptrace64(_PT_READ_GPR, int64(pid), 128, 0, uintptr(unsafe.Pointer(®sout.Iar)))
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ptrace64(_PT_READ_GPR, int64(pid), 129, 0, uintptr(unsafe.Pointer(®sout.Msr)))
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ptrace64(_PT_READ_GPR, int64(pid), 130, 0, uintptr(unsafe.Pointer(®sout.Cr)))
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ptrace64(_PT_READ_GPR, int64(pid), 131, 0, uintptr(unsafe.Pointer(®sout.Lr)))
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ptrace64(_PT_READ_GPR, int64(pid), 132, 0, uintptr(unsafe.Pointer(®sout.Ctr)))
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ptrace64(_PT_READ_GPR, int64(pid), 133, 0, uintptr(unsafe.Pointer(®sout.Xer)))
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return nil
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}
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func PtraceSetRegs(pid int, regs *PtraceRegs) (err error) {
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for i := 0; i < len(regs.Gpr); i++ {
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ptrace64(_PT_WRITE_GPR, int64(pid), int64(i), 0, uintptr(unsafe.Pointer(®s.Gpr[i])))
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}
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ptrace64(_PT_WRITE_GPR, int64(pid), 128, 0, uintptr(unsafe.Pointer(®s.Iar)))
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ptrace64(_PT_WRITE_GPR, int64(pid), 129, 0, uintptr(unsafe.Pointer(®s.Msr)))
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ptrace64(_PT_WRITE_GPR, int64(pid), 130, 0, uintptr(unsafe.Pointer(®s.Cr)))
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ptrace64(_PT_WRITE_GPR, int64(pid), 131, 0, uintptr(unsafe.Pointer(®s.Lr)))
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ptrace64(_PT_WRITE_GPR, int64(pid), 132, 0, uintptr(unsafe.Pointer(®s.Ctr)))
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ptrace64(_PT_WRITE_GPR, int64(pid), 133, 0, uintptr(unsafe.Pointer(®s.Xer)))
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return nil
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}
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