--- Begin Message ---
Source: gcc-snapshot
Version: 20180721-1
Severity: important
Tags: patch
User: debian-hurd@lists.debian.org
Usertags: hurd
Hi,
gcc-snapshot FTBFS on hurd-i386 due to a few outdated patches for
gccgo. Attached are all 12 patches refreshed against gcc-snapshot
20180721-1 for completeness.
Built fine on a hurd-i386 test box.
Thanks!
Index: gcc-snapshot-20180721/src/libgo/go/cmd/go/internal/base/signal_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/cmd/go/internal/base/signal_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/cmd/go/internal/base/signal_unix.go
@@ -1,8 +1,9 @@
+
// Copyright 2012 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.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package base
Index: gcc-snapshot-20180721/src/libgo/go/crypto/x509/root_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/crypto/x509/root_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/crypto/x509/root_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package x509
Index: gcc-snapshot-20180721/src/libgo/go/net/interface_stub.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/interface_stub.go
+++ gcc-snapshot-20180721/src/libgo/go/net/interface_stub.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix nacl
+// +build aix nacl gnu
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/internal/socktest/switch_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/internal/socktest/switch_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/internal/socktest/switch_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package socktest
Index: gcc-snapshot-20180721/src/libgo/go/net/port_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/port_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/port_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris nacl
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris nacl
// Read system port mappings from /etc/services
Index: gcc-snapshot-20180721/src/libgo/go/os/dir_largefile.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/dir_largefile.go
+++ gcc-snapshot-20180721/src/libgo/go/os/dir_largefile.go
@@ -5,7 +5,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix linux solaris,386 solaris,sparc
+// +build aix gnu linux solaris,386 solaris,sparc
package os
Index: gcc-snapshot-20180721/src/libgo/go/os/dir_regfile.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/dir_regfile.go
+++ gcc-snapshot-20180721/src/libgo/go/os/dir_regfile.go
@@ -6,6 +6,7 @@
// license that can be found in the LICENSE file.
// +build !aix
+// +build !gnu
// +build !linux
// +build !solaris !386
// +build !solaris !sparc
Index: gcc-snapshot-20180721/src/libgo/go/os/dir_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/dir_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/os/dir_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package os
Index: gcc-snapshot-20180721/src/libgo/go/os/exec_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/exec_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/os/exec_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package os
Index: gcc-snapshot-20180721/src/libgo/go/os/stat_atim.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/stat_atim.go
+++ gcc-snapshot-20180721/src/libgo/go/os/stat_atim.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build linux openbsd solaristag
+// +build gnu linux openbsd solaristag
package os
Index: gcc-snapshot-20180721/src/libgo/go/os/stat_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/stat_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/os/stat_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package os
Index: gcc-snapshot-20180721/src/libgo/go/os/sys_uname.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/sys_uname.go
+++ gcc-snapshot-20180721/src/libgo/go/os/sys_uname.go
@@ -4,7 +4,7 @@
// For systems which only store the hostname in uname (Solaris).
-// +build aix solaris irix rtems
+// +build aix gnu solaris irix rtems
package os
Index: gcc-snapshot-20180721/src/libgo/go/os/user/listgroups_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/user/listgroups_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/os/user/listgroups_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build dragonfly darwin freebsd !android,linux netbsd openbsd
+// +build dragonfly darwin freebsd gnu !android,linux netbsd openbsd
package user
Index: gcc-snapshot-20180721/src/libgo/go/os/wait_unimp.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/wait_unimp.go
+++ gcc-snapshot-20180721/src/libgo/go/os/wait_unimp.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly nacl netbsd openbsd solaris
+// +build aix darwin dragonfly gnu nacl netbsd openbsd solaris
package os
Index: gcc-snapshot-20180721/src/libgo/go/path/filepath/path_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/path/filepath/path_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/path/filepath/path_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package filepath
Index: gcc-snapshot-20180721/src/libgo/go/runtime/env_posix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/runtime/env_posix.go
+++ gcc-snapshot-20180721/src/libgo/go/runtime/env_posix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris windows
package runtime
Index: gcc-snapshot-20180721/src/libgo/go/runtime/lock_sema.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/runtime/lock_sema.go
+++ gcc-snapshot-20180721/src/libgo/go/runtime/lock_sema.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin nacl netbsd openbsd plan9 solaris windows
+// +build aix darwin gnu nacl netbsd openbsd plan9 solaris windows
package runtime
Index: gcc-snapshot-20180721/src/libgo/go/runtime/netpoll.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/runtime/netpoll.go
+++ gcc-snapshot-20180721/src/libgo/go/runtime/netpoll.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris windows
package runtime
Index: gcc-snapshot-20180721/src/libgo/go/runtime/signal_gccgo.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/runtime/signal_gccgo.go
+++ gcc-snapshot-20180721/src/libgo/go/runtime/signal_gccgo.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package runtime
Index: gcc-snapshot-20180721/src/libgo/go/runtime/signal_sighandler.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/runtime/signal_sighandler.go
+++ gcc-snapshot-20180721/src/libgo/go/runtime/signal_sighandler.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package runtime
Index: gcc-snapshot-20180721/src/libgo/go/syscall/errstr.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/syscall/errstr.go
+++ gcc-snapshot-20180721/src/libgo/go/syscall/errstr.go
@@ -4,6 +4,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
+// +build !gnu
// +build !linux
package syscall
Index: gcc-snapshot-20180721/src/libgo/go/syscall/libcall_posix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/syscall/libcall_posix.go
+++ gcc-snapshot-20180721/src/libgo/go/syscall/libcall_posix.go
@@ -9,6 +9,8 @@
// Note that sometimes we use a lowercase //sys name and
// wrap it in our own nicer implementation.
+// +build !gnu
+
package syscall
import "unsafe"
Index: gcc-snapshot-20180721/src/libgo/go/syscall/libcall_posix_largefile.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/syscall/libcall_posix_largefile.go
+++ gcc-snapshot-20180721/src/libgo/go/syscall/libcall_posix_largefile.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix linux solaris,386 solaris,sparc
+// +build aix gnu linux solaris,386 solaris,sparc
// POSIX library calls on systems which use the largefile interface.
Index: gcc-snapshot-20180721/src/libgo/go/syscall/libcall_posix_regfile.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/syscall/libcall_posix_regfile.go
+++ gcc-snapshot-20180721/src/libgo/go/syscall/libcall_posix_regfile.go
@@ -3,6 +3,7 @@
// license that can be found in the LICENSE file.
// +build !aix
+// +build !gnu
// +build !linux
// +build !solaris !386
// +build !solaris !sparc
Index: gcc-snapshot-20180721/src/libgo/go/syscall/libcall_posix_utimesnano.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/syscall/libcall_posix_utimesnano.go
+++ gcc-snapshot-20180721/src/libgo/go/syscall/libcall_posix_utimesnano.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd openbsd netbsd solaris
+// +build aix darwin dragonfly freebsd gnu openbsd netbsd solaris
// General POSIX version of UtimesNano.
Index: gcc-snapshot-20180721/src/libgo/go/net/cgo_resnew.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/cgo_resnew.go
+++ gcc-snapshot-20180721/src/libgo/go/net/cgo_resnew.go
@@ -3,7 +3,7 @@
// license that can be found in the LICENSE file.
// +build cgo,!netgo
-// +build aix darwin linux,!android netbsd solaris
+// +build aix darwin gnu linux,!android netbsd solaris
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/cgo_sockold.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/cgo_sockold.go
+++ gcc-snapshot-20180721/src/libgo/go/net/cgo_sockold.go
@@ -3,7 +3,7 @@
// license that can be found in the LICENSE file.
// +build cgo,!netgo
-// +build aix darwin dragonfly freebsd netbsd openbsd
+// +build aix darwin dragonfly freebsd gnu netbsd openbsd
package net
Index: gcc-snapshot-20180721/src/libgo/go/internal/poll/fd_poll_runtime.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/internal/poll/fd_poll_runtime.go
+++ gcc-snapshot-20180721/src/libgo/go/internal/poll/fd_poll_runtime.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd windows solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd windows solaris
package poll
Index: gcc-snapshot-20180721/src/libgo/go/internal/poll/hook_cloexec.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/internal/poll/hook_cloexec.go
+++ gcc-snapshot-20180721/src/libgo/go/internal/poll/hook_cloexec.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build dragonfly freebsd linux
+// +build dragonfly freebsd gnu linux
package poll
Index: gcc-snapshot-20180721/src/libgo/go/internal/poll/fd_posix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/internal/poll/fd_posix.go
+++ gcc-snapshot-20180721/src/libgo/go/internal/poll/fd_posix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris windows
package poll
Index: gcc-snapshot-20180721/src/libgo/go/net/sock_cloexec.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/sock_cloexec.go
+++ gcc-snapshot-20180721/src/libgo/go/net/sock_cloexec.go
@@ -5,7 +5,7 @@
// This file implements sysSocket and accept for platforms that
// provide a fast path for setting SetNonblock and CloseOnExec.
-// +build dragonfly freebsd linux
+// +build dragonfly freebsd gnu linux
package net
Index: gcc-snapshot-20180721/src/libgo/go/syscall/exec_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/syscall/exec_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/syscall/exec_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
// Fork, exec, wait, etc.
Index: gcc-snapshot-20180721/src/libgo/go/os/exec/lp_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/exec/lp_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/os/exec/lp_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package exec
Index: gcc-snapshot-20180721/src/libgo/go/os/signal/signal_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/signal/signal_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/os/signal/signal_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris windows
package signal
Index: gcc-snapshot-20180721/src/libgo/go/os/error_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/error_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/os/error_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package os
Index: gcc-snapshot-20180721/src/libgo/go/os/file_posix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/file_posix.go
+++ gcc-snapshot-20180721/src/libgo/go/os/file_posix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris windows
package os
Index: gcc-snapshot-20180721/src/libgo/go/os/path_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/path_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/os/path_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package os
Index: gcc-snapshot-20180721/src/libgo/go/os/sys_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/sys_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/os/sys_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix dragonfly linux netbsd openbsd solaris
+// +build aix dragonfly gnu linux netbsd openbsd solaris
package os
Index: gcc-snapshot-20180721/src/libgo/go/os/user/decls_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/user/decls_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/os/user/decls_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build darwin dragonfly freebsd linux netbsd openbsd
+// +build darwin dragonfly freebsd gnu linux netbsd openbsd
// +build cgo
package user
Index: gcc-snapshot-20180721/src/libgo/go/os/user/lookup_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/user/lookup_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/os/user/lookup_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build darwin dragonfly freebsd !android,linux nacl netbsd openbsd solaris
+// +build darwin dragonfly freebsd gnu !android,linux nacl netbsd openbsd solaris
// +build !cgo
package user
Index: gcc-snapshot-20180721/src/libgo/go/syscall/env_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/syscall/env_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/syscall/env_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
// Unix environment variables.
Index: gcc-snapshot-20180721/src/libgo/go/syscall/exec_bsd.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/syscall/exec_bsd.go
+++ gcc-snapshot-20180721/src/libgo/go/syscall/exec_bsd.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu netbsd openbsd solaris
package syscall
Index: gcc-snapshot-20180721/src/libgo/go/syscall/sockcmsg_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/syscall/sockcmsg_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/syscall/sockcmsg_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
// Socket control messages
Index: gcc-snapshot-20180721/src/libgo/go/syscall/syscall_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/syscall/syscall_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/syscall/syscall_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package syscall
Index: gcc-snapshot-20180721/src/libgo/go/time/sys_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/time/sys_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/time/sys_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package time
Index: gcc-snapshot-20180721/src/libgo/go/time/zoneinfo_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/time/zoneinfo_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/time/zoneinfo_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin,386 darwin,amd64 dragonfly freebsd linux,!android nacl netbsd openbsd solaris
+// +build aix darwin,386 darwin,amd64 dragonfly freebsd gnu linux,!android nacl netbsd openbsd solaris
// Parse "zoneinfo" time zone file.
// This is a fairly standard file format used on OS X, Linux, BSD, Sun, and others.
Index: gcc-snapshot-20180721/src/libgo/go/net/addrselect.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/addrselect.go
+++ gcc-snapshot-20180721/src/libgo/go/net/addrselect.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
// Minimal RFC 6724 address selection.
Index: gcc-snapshot-20180721/src/libgo/go/net/conf.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/conf.go
+++ gcc-snapshot-20180721/src/libgo/go/net/conf.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/dnsclient_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/dnsclient_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/dnsclient_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
// DNS client: see RFC 1035.
// Has to be linked into package net for Dial.
Index: gcc-snapshot-20180721/src/libgo/go/net/dnsconfig_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/dnsconfig_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/dnsconfig_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
// Read system DNS config from /etc/resolv.conf
Index: gcc-snapshot-20180721/src/libgo/go/net/fd_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/fd_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/fd_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/file_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/file_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/file_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/hook_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/hook_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/hook_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/iprawsock_posix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/iprawsock_posix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/iprawsock_posix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris windows
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/ipsock_posix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/ipsock_posix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/ipsock_posix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris windows
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/lookup_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/lookup_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/lookup_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/nss.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/nss.go
+++ gcc-snapshot-20180721/src/libgo/go/net/nss.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/sockopt_posix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/sockopt_posix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/sockopt_posix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris windows
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/sock_posix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/sock_posix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/sock_posix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris windows
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/tcpsockopt_posix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/tcpsockopt_posix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/tcpsockopt_posix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris windows
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/tcpsockopt_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/tcpsockopt_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/tcpsockopt_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix freebsd linux netbsd
+// +build aix freebsd gnu linux netbsd
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/tcpsock_posix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/tcpsock_posix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/tcpsock_posix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris windows
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/udpsock_posix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/udpsock_posix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/udpsock_posix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris windows
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/unixsock_posix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/unixsock_posix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/unixsock_posix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris windows
package net
Index: gcc-snapshot-20180721/src/libgo/go/os/exec_posix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/exec_posix.go
+++ gcc-snapshot-20180721/src/libgo/go/os/exec_posix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris windows
package os
Index: gcc-snapshot-20180721/src/libgo/go/os/file_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/file_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/os/file_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package os
Index: gcc-snapshot-20180721/src/libgo/go/os/executable_procfs.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/executable_procfs.go
+++ gcc-snapshot-20180721/src/libgo/go/os/executable_procfs.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build linux netbsd dragonfly nacl
+// +build gnu linux netbsd dragonfly nacl
package os
Index: gcc-snapshot-20180721/src/libgo/go/syscall/timestruct.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/syscall/timestruct.go
+++ gcc-snapshot-20180721/src/libgo/go/syscall/timestruct.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package syscall
Index: gcc-snapshot-20180721/src/libgo/go/net/cgo_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/cgo_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/cgo_unix.go
@@ -3,7 +3,7 @@
// license that can be found in the LICENSE file.
// +build cgo,!netgo
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package net
Index: gcc-snapshot-20180721/src/libgo/go/archive/tar/stat_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/archive/tar/stat_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/archive/tar/stat_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix linux darwin dragonfly freebsd openbsd netbsd solaris
+// +build aix gnu linux darwin dragonfly freebsd openbsd netbsd solaris
package tar
Index: gcc-snapshot-20180721/src/libgo/go/crypto/rand/eagain.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/crypto/rand/eagain.go
+++ gcc-snapshot-20180721/src/libgo/go/crypto/rand/eagain.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package rand
Index: gcc-snapshot-20180721/src/libgo/go/crypto/rand/rand_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/crypto/rand/rand_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/crypto/rand/rand_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd plan9 solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd plan9 solaris
// Unix cryptographically secure pseudorandom number
// generator.
Index: gcc-snapshot-20180721/src/libgo/go/mime/type_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/mime/type_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/mime/type_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package mime
Index: gcc-snapshot-20180721/src/libgo/go/plugin/plugin_dlopen.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/plugin/plugin_dlopen.go
+++ gcc-snapshot-20180721/src/libgo/go/plugin/plugin_dlopen.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build linux,cgo darwin,cgo
+// +build linux,cgo darwin,cgo gnu,cgo
package plugin
Index: gcc-snapshot-20180721/src/libgo/go/syscall/dirent.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/syscall/dirent.go
+++ gcc-snapshot-20180721/src/libgo/go/syscall/dirent.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package syscall
Index: gcc-snapshot-20180721/src/libgo/runtime/env_posix.c
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/runtime/env_posix.c
+++ gcc-snapshot-20180721/src/libgo/runtime/env_posix.c
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
+// +build darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris windows
#include "runtime.h"
#include "array.h"
Index: gcc-snapshot-20180721/src/libgo/go/net/internal/socktest/sys_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/internal/socktest/sys_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/internal/socktest/sys_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package socktest
Index: gcc-snapshot-20180721/src/libgo/go/plugin/plugin_stubs.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/plugin/plugin_stubs.go
+++ gcc-snapshot-20180721/src/libgo/go/plugin/plugin_stubs.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build !linux,!darwin !cgo
+// +build !gnu !linux,!darwin !cgo
package plugin
Index: gcc-snapshot-20180721/src/libgo/go/net/internal/socktest/sys_cloexec.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/internal/socktest/sys_cloexec.go
+++ gcc-snapshot-20180721/src/libgo/go/net/internal/socktest/sys_cloexec.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build dragonfly freebsd linux
+// +build dragonfly freebsd gnu linux
package socktest
Index: gcc-snapshot-20180721/src/libgo/go/os/user/cgo_lookup_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/user/cgo_lookup_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/os/user/cgo_lookup_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd !android,linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu !android,linux netbsd openbsd solaris
// +build cgo
package user
Index: gcc-snapshot-20180721/src/libgo/go/net/error_posix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/error_posix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/error_posix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris windows
package net
Index: gcc-snapshot-20180721/src/libgo/go/internal/poll/fd_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/internal/poll/fd_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/internal/poll/fd_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package poll
Index: gcc-snapshot-20180721/src/libgo/go/syscall/forkpipe_bsd.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/syscall/forkpipe_bsd.go
+++ gcc-snapshot-20180721/src/libgo/go/syscall/forkpipe_bsd.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly netbsd openbsd solaris
+// +build aix darwin dragonfly gnu netbsd openbsd solaris
package syscall
Index: gcc-snapshot-20180721/src/libgo/go/internal/poll/hook_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/internal/poll/hook_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/internal/poll/hook_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package poll
Index: gcc-snapshot-20180721/src/libgo/go/internal/poll/sock_cloexec.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/internal/poll/sock_cloexec.go
+++ gcc-snapshot-20180721/src/libgo/go/internal/poll/sock_cloexec.go
@@ -5,7 +5,7 @@
// This file implements sysSocket and accept for platforms that
// provide a fast path for setting SetNonblock and CloseOnExec.
-// +build dragonfly freebsd linux
+// +build dragonfly freebsd gnu linux
package poll
Index: gcc-snapshot-20180721/src/libgo/go/internal/poll/sockopt.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/internal/poll/sockopt.go
+++ gcc-snapshot-20180721/src/libgo/go/internal/poll/sockopt.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris windows
package poll
Index: gcc-snapshot-20180721/src/libgo/go/internal/poll/sockoptip.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/internal/poll/sockoptip.go
+++ gcc-snapshot-20180721/src/libgo/go/internal/poll/sockoptip.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris windows
package poll
Index: gcc-snapshot-20180721/src/libgo/go/internal/poll/sockopt_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/internal/poll/sockopt_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/internal/poll/sockopt_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package poll
Index: gcc-snapshot-20180721/src/libgo/go/archive/tar/stat_actime1.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/archive/tar/stat_actime1.go
+++ gcc-snapshot-20180721/src/libgo/go/archive/tar/stat_actime1.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix linux dragonfly openbsd solaris
+// +build aix gnu linux dragonfly openbsd solaris
package tar
Index: gcc-snapshot-20180721/src/libgo/go/golang_org/x/net/internal/nettest/helper_nobsd.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/golang_org/x/net/internal/nettest/helper_nobsd.go
+++ gcc-snapshot-20180721/src/libgo/go/golang_org/x/net/internal/nettest/helper_nobsd.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix linux solaris
+// +build aix gnu linux solaris
package nettest
Index: gcc-snapshot-20180721/src/libgo/go/golang_org/x/net/internal/nettest/helper_posix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/golang_org/x/net/internal/nettest/helper_posix.go
+++ gcc-snapshot-20180721/src/libgo/go/golang_org/x/net/internal/nettest/helper_posix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris windows
package nettest
Index: gcc-snapshot-20180721/src/libgo/go/golang_org/x/net/internal/nettest/helper_unix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/golang_org/x/net/internal/nettest/helper_unix.go
+++ gcc-snapshot-20180721/src/libgo/go/golang_org/x/net/internal/nettest/helper_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package nettest
Index: gcc-snapshot-20180721/src/libgo/go/net/sockoptip_posix.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/sockoptip_posix.go
+++ gcc-snapshot-20180721/src/libgo/go/net/sockoptip_posix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris windows
package net
Index: gcc-snapshot-20180721/src/libgo/go/os/signal/internal/pty/pty.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/signal/internal/pty/pty.go
+++ gcc-snapshot-20180721/src/libgo/go/os/signal/internal/pty/pty.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux,!android netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux,!android netbsd openbsd solaris
// Package pty is a simple pseudo-terminal package for Unix systems,
// implemented by calling C functions via cgo.
Index: gcc-snapshot-20180721/src/libgo/go/net/main_unix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/main_unix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/net/main_unix_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package net
Index: gcc-snapshot-20180721/src/libgo/go/os/exec/lp_unix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/exec/lp_unix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/os/exec/lp_unix_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package exec
Index: gcc-snapshot-20180721/src/libgo/go/os/os_unix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/os_unix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/os/os_unix_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package os_test
Index: gcc-snapshot-20180721/src/libgo/go/os/signal/signal_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/signal/signal_test.go
+++ gcc-snapshot-20180721/src/libgo/go/os/signal/signal_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package signal
Index: gcc-snapshot-20180721/src/libgo/go/runtime/crash_unix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/runtime/crash_unix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/runtime/crash_unix_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package runtime_test
Index: gcc-snapshot-20180721/src/libgo/go/syscall/exec_unix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/syscall/exec_unix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/syscall/exec_unix_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package syscall_test
Index: gcc-snapshot-20180721/src/libgo/go/runtime/runtime_unix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/runtime/runtime_unix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/runtime/runtime_unix_test.go
@@ -6,7 +6,7 @@
// We need a fast system call to provoke the race,
// and Close(-1) is nearly universally fast.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd plan9
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd plan9
package runtime_test
Index: gcc-snapshot-20180721/src/libgo/go/syscall/export_unix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/syscall/export_unix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/syscall/export_unix_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package syscall
Index: gcc-snapshot-20180721/src/libgo/go/syscall/mmap_unix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/syscall/mmap_unix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/syscall/mmap_unix_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd
package syscall_test
Index: gcc-snapshot-20180721/src/libgo/go/net/addrselect_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/addrselect_test.go
+++ gcc-snapshot-20180721/src/libgo/go/net/addrselect_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/cgo_unix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/cgo_unix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/net/cgo_unix_test.go
@@ -3,7 +3,7 @@
// license that can be found in the LICENSE file.
// +build cgo,!netgo
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/conf_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/conf_test.go
+++ gcc-snapshot-20180721/src/libgo/go/net/conf_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/dnsconfig_unix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/dnsconfig_unix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/net/dnsconfig_unix_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/nss_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/nss_test.go
+++ gcc-snapshot-20180721/src/libgo/go/net/nss_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package net
Index: gcc-snapshot-20180721/src/libgo/go/cmd/go/go_unix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/cmd/go/go_unix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/cmd/go/go_unix_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package main_test
Index: gcc-snapshot-20180721/src/libgo/go/net/dial_unix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/dial_unix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/net/dial_unix_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/main_cloexec_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/main_cloexec_test.go
+++ gcc-snapshot-20180721/src/libgo/go/net/main_cloexec_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build dragonfly freebsd linux
+// +build dragonfly freebsd gnu linux
package net
Index: gcc-snapshot-20180721/src/libgo/go/net/dnsclient_unix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/net/dnsclient_unix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/net/dnsclient_unix_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package net
Index: gcc-snapshot-20180721/src/libgo/go/os/env_unix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/env_unix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/os/env_unix_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package os_test
Index: gcc-snapshot-20180721/src/libgo/go/os/error_unix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/error_unix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/os/error_unix_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+// +build darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris
package os_test
Index: gcc-snapshot-20180721/src/libgo/go/internal/poll/export_posix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/internal/poll/export_posix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/internal/poll/export_posix_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris windows
// Export guts for testing on posix.
// Since testing imports os and os imports internal/poll,
Index: gcc-snapshot-20180721/src/libgo/go/runtime/export_unix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/runtime/export_unix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/runtime/export_unix_test.go
@@ -1,8 +1,9 @@
+
// Copyright 2017 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.
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd gnu linux netbsd openbsd solaris
package runtime
Index: gcc-snapshot-20180721/src/libgo/go/internal/poll/fd_posix_test.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/internal/poll/fd_posix_test.go
+++ gcc-snapshot-20180721/src/libgo/go/internal/poll/fd_posix_test.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd gnu linux nacl netbsd openbsd solaris windows
package poll_test
Index: gcc-snapshot-20180721/src/gcc/config/i386/gnu.h
===================================================================
--- gcc-snapshot-20180721.orig/src/gcc/config/i386/gnu.h
+++ gcc-snapshot-20180721/src/gcc/config/i386/gnu.h
@@ -37,11 +37,14 @@ along with GCC. If not, see <http://www
#ifdef TARGET_LIBC_PROVIDES_SSP
-/* Not supported yet. */
-# undef TARGET_THREAD_SSP_OFFSET
-
-/* Not supported yet. */
-# undef TARGET_CAN_SPLIT_STACK
-# undef TARGET_THREAD_SPLIT_STACK_OFFSET
+/* i386 glibc provides __stack_chk_guard in %gs:0x14. */
+#define TARGET_THREAD_SSP_OFFSET 0x14
+/* We only build the -fsplit-stack support in libgcc if the
+ assembler has full support for the CFI directives. */
+#if HAVE_GAS_CFI_PERSONALITY_DIRECTIVE
+#define TARGET_CAN_SPLIT_STACK
+#endif
+/* We steal the last transactional memory word. */
+#define TARGET_THREAD_SPLIT_STACK_OFFSET 0x30
#endif
Index: gcc-snapshot-20180721/src/libgo/configure.ac
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/configure.ac
+++ gcc-snapshot-20180721/src/libgo/configure.ac
@@ -154,7 +154,7 @@ AC_SUBST(go_include)
# All known GOOS values. This is the union of all operating systems
# supported by the gofrontend and all operating systems supported by
# the gc toolchain.
-ALLGOOS="aix android darwin dragonfly freebsd irix linux netbsd openbsd plan9 rtems solaris windows"
+ALLGOOS="aix android darwin dragonfly freebsd irix gnu linux netbsd openbsd plan9 rtems solaris windows"
is_darwin=no
is_freebsd=no
@@ -166,6 +166,7 @@ is_dragonfly=no
is_rtems=no
is_solaris=no
is_aix=no
+is_gnu=no
GOOS=unknown
case ${host} in
*-*-darwin*) is_darwin=yes; GOOS=darwin ;;
@@ -178,6 +179,7 @@ case ${host} in
*-*-rtems*) is_rtems=yes; GOOS=rtems ;;
*-*-solaris2*) is_solaris=yes; GOOS=solaris ;;
*-*-aix*) is_aix=yes; GOOS=aix ;;
+ *-*-gnu*) is_gnu=yes; GOOS=gnu ;;
esac
AM_CONDITIONAL(LIBGO_IS_DARWIN, test $is_darwin = yes)
AM_CONDITIONAL(LIBGO_IS_FREEBSD, test $is_freebsd = yes)
@@ -189,6 +191,7 @@ AM_CONDITIONAL(LIBGO_IS_DRAGONFLY, test
AM_CONDITIONAL(LIBGO_IS_RTEMS, test $is_rtems = yes)
AM_CONDITIONAL(LIBGO_IS_SOLARIS, test $is_solaris = yes)
AM_CONDITIONAL(LIBGO_IS_AIX, test $is_aix = yes)
+AM_CONDITIONAL(LIBGO_IS_GNU, test $is_gnu = yes)
AM_CONDITIONAL(LIBGO_IS_BSD, test $is_darwin = yes -o $is_dragonfly = yes -o $is_freebsd = yes -o $is_netbsd = yes -o $is_openbsd = yes)
AC_SUBST(GOOS)
AC_SUBST(ALLGOOS)
@@ -783,6 +786,13 @@ main ()
CFLAGS="$CFLAGS_hold"
LIBS="$LIBS_hold"
])
+case ${host} in
+ *-*-gnu*)
+ LIBS="$LIBS -lpthread"
+ AC_SUBST(LIBS)
+ ;;
+esac
+
if test "$libgo_cv_lib_setcontext_clobbers_tls" = "yes"; then
AC_DEFINE(SETCONTEXT_CLOBBERS_TLS, 1,
[Define if setcontext clobbers TLS variables])
Index: gcc-snapshot-20180721/src/libgo/Makefile.am
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/Makefile.am
+++ gcc-snapshot-20180721/src/libgo/Makefile.am
@@ -429,10 +429,14 @@ else
if LIBGO_IS_AIX
runtime_getncpu_file = runtime/getncpu-aix.c
else
+if LIBGO_IS_GNU
+runtime_getncpu_file = runtime/getncpu-gnu.c
+else
runtime_getncpu_file = runtime/getncpu-none.c
endif
endif
endif
+endif
endif
endif
endif
Index: gcc-snapshot-20180721/src/libgo/Makefile.in
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/Makefile.in
+++ gcc-snapshot-20180721/src/libgo/Makefile.in
@@ -186,7 +186,8 @@ am__DEPENDENCIES_4 = $(am__DEPENDENCIES_
$(am__DEPENDENCIES_3) $(am__DEPENDENCIES_3)
libgo_llgo_la_DEPENDENCIES = $(am__DEPENDENCIES_4)
@LIBGO_IS_RTEMS_TRUE@am__objects_1 = rtems-task-variable-add.lo
-@LIBGO_IS_AIX_FALSE@@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@am__objects_2 = getncpu-none.lo
+@LIBGO_IS_AIX_FALSE@@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_GNU_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@am__objects_2 = getncpu-none.lo
+@LIBGO_IS_AIX_FALSE@@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_GNU_TRUE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@am__objects_2 = getncpu-gnu.lo
@LIBGO_IS_AIX_TRUE@@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@am__objects_2 = getncpu-aix.lo
@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_TRUE@@LIBGO_IS_SOLARIS_FALSE@am__objects_2 = getncpu-bsd.lo
@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_TRUE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_FALSE@am__objects_2 = getncpu-bsd.lo
@@ -762,7 +763,8 @@ noinst_DATA = golang_org/x/net/internal/
zdefaultcc.go
@LIBGO_IS_RTEMS_FALSE@rtems_task_variable_add_file =
@LIBGO_IS_RTEMS_TRUE@rtems_task_variable_add_file = runtime/rtems-task-variable-add.c
-@LIBGO_IS_AIX_FALSE@@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@runtime_getncpu_file = runtime/getncpu-none.c
+@LIBGO_IS_AIX_FALSE@@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_GNU_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@runtime_getncpu_file = runtime/getncpu-none.c
+@LIBGO_IS_AIX_FALSE@@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_GNU_TRUE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@runtime_getncpu_file = runtime/getncpu-gnu.c
@LIBGO_IS_AIX_TRUE@@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_FALSE@@LIBGO_IS_SOLARIS_FALSE@runtime_getncpu_file = runtime/getncpu-aix.c
@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_FALSE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_NETBSD_TRUE@@LIBGO_IS_SOLARIS_FALSE@runtime_getncpu_file = runtime/getncpu-bsd.c
@LIBGO_IS_DARWIN_FALSE@@LIBGO_IS_FREEBSD_TRUE@@LIBGO_IS_IRIX_FALSE@@LIBGO_IS_LINUX_FALSE@@LIBGO_IS_SOLARIS_FALSE@runtime_getncpu_file = runtime/getncpu-bsd.c
@@ -1191,6 +1193,7 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/env_posix.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getncpu-aix.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getncpu-bsd.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getncpu-gnu.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getncpu-irix.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getncpu-linux.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getncpu-none.Plo@am__quote@
@@ -1555,6 +1558,13 @@ getncpu-none.lo: runtime/getncpu-none.c
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@ $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o getncpu-none.lo `test -f 'runtime/getncpu-none.c' || echo '$(srcdir)/'`runtime/getncpu-none.c
+getncpu-gnu.lo: runtime/getncpu-gnu.c
+@am__fastdepCC_TRUE@ $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT getncpu-gnu.lo -MD -MP -MF $(DEPDIR)/getncpu-gnu.Tpo -c -o getncpu-gnu.lo `test -f 'runtime/getncpu-gnu.c' || echo '$(srcdir)/'`runtime/getncpu-gnu.c
+@am__fastdepCC_TRUE@ $(am__mv) $(DEPDIR)/getncpu-gnu.Tpo $(DEPDIR)/getncpu-gnu.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='runtime/getncpu-gnu.c' object='getncpu-gnu.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o getncpu-gnu.lo `test -f 'runtime/getncpu-gnu.c' || echo '$(srcdir)/'`runtime/getncpu-gnu.c
+
getncpu-aix.lo: runtime/getncpu-aix.c
@am__fastdepCC_TRUE@ $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT getncpu-aix.lo -MD -MP -MF $(DEPDIR)/getncpu-aix.Tpo -c -o getncpu-aix.lo `test -f 'runtime/getncpu-aix.c' || echo '$(srcdir)/'`runtime/getncpu-aix.c
@am__fastdepCC_TRUE@ $(am__mv) $(DEPDIR)/getncpu-aix.Tpo $(DEPDIR)/getncpu-aix.Plo
Index: gcc-snapshot-20180721/src/libgo/match.sh
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/match.sh
+++ gcc-snapshot-20180721/src/libgo/match.sh
@@ -113,7 +113,7 @@ for f in $gofiles; do
"") ;;
$goarch) ;;
$goos) ;;
- aix | android | darwin | dragonfly | freebsd | linux | nacl | netbsd | openbsd | plan9 | solaris | windows)
+ aix | android | darwin | dragonfly | freebsd | gnu | linux | nacl | netbsd | openbsd | plan9 | solaris | windows)
tag1=nonmatchingtag
;;
386 | amd64 | amd64p32 | arm | armbe | arm64 | arm64be | alpha | ia64 | m68k | mips | mipsle | mips64 | mips64le | mips64p32 | mips64p32le | nios2 | ppc | ppc64 | ppc64le | riscv64 | s390 | s390x | sh | shbe | sparc | sparc64)
@@ -125,7 +125,7 @@ for f in $gofiles; do
"") ;;
$goarch) ;;
$goos) ;;
- aix | android | darwin | dragonfly | freebsd | linux | nacl | netbsd | openbsd | plan9 | solaris | windows)
+ aix | android | darwin | dragonfly | freebsd | gnu | linux | nacl | netbsd | openbsd | plan9 | solaris | windows)
tag2=nonmatchingtag
;;
386 | amd64 | amd64p32 | arm | armbe | arm64 | arm64be | alpha | ia64 | m68k | mips | mipsle | mips64 | mips64le | mips64p32 | mips64p32le | nios2 | ppc | ppc64 | ppc64le | riscv64 | s390 | s390x | sh | shbe | sparc | sparc64)
Index: gcc-snapshot-20180721/src/libgo/mksigtab.sh
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/mksigtab.sh
+++ gcc-snapshot-20180721/src/libgo/mksigtab.sh
@@ -43,7 +43,13 @@ addsig _SIGINT '{_SigNotify + _SigKi
addsig _SIGQUIT '{_SigNotify + _SigThrow, "SIGQUIT: quit"}'
addsig _SIGILL '{_SigThrow + _SigUnblock, "SIGILL: illegal instruction"}'
addsig _SIGTRAP '{_SigThrow + _SigUnblock, "SIGTRAP: trace trap"}'
+# Special treatment of SIGABRT for GNU/Hurd
+# /usr/include/i386-gnu/bits/signum.h: #define SIGABRT SIGIOT
+if egrep 'define SIGABRT SIGIOT' gen-sysinfo.go > /dev/null 2>&1; then
+addsig _SIGIOT '{_SigNotify + _SigThrow, "SIGIOT: abort"}'
+else
addsig _SIGABRT '{_SigNotify + _SigThrow, "SIGABRT: abort"}'
+fi
addsig _SIGBUS '{_SigPanic + _SigUnblock, "SIGBUS: bus error"}'
addsig _SIGFPE '{_SigPanic + _SigUnblock, "SIGFPE: floating-point exception"}'
addsig _SIGKILL '{0, "SIGKILL: kill"}'
@@ -91,6 +97,7 @@ checksig _SIGCANCEL '{_SigSetStack + _S
checksig _SIGXRES '{_SigNotify, "SIGXRES: resource control exceeded"}'
checksig _SIGJVM1 '{_SigNotify, "SIGJVM1: reserved signal for Java Virtual Machine"}'
checksig _SIGJVM2 '{_SigNotify, "SIGJVM2: reserved signal for Java Virtual Machine"}'
+checksig _SIGLOST ' {_SigNotify, "SIGLOST: resource lost (Sun); server died (GNU)"}'
# Special handling of signals 32 and 33 on GNU/Linux systems,
# because they are special to glibc.
@@ -112,6 +119,11 @@ else
rtmax=`grep 'const _*SIGRTMAX = [0-9]*$' gen-sysinfo.go | sed -e 's/.* = \([0-9]*\)/\1/'`
if test -n "$rtmax"; then
nsig=`expr $rtmax + 1`
+ elif grep 'const _*SIGRTMAX = [ (]*_*SIGRTMIN[ )]*' gen-sysinfo.go >/dev/null 2>&1; then
+ rtmin=`grep 'const _*SIGRTMIN = [0-9]*$' gen-sysinfo.go | sed -e 's/.* = \([0-9]*\)/\1/'`
+ if test -n "$rtmin"; then
+ nsig=`expr $rtmin + 1`
+ fi
fi
fi
fi
Index: gcc-snapshot-20180721/src/libgo/mksysinfo.sh
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/mksysinfo.sh
+++ gcc-snapshot-20180721/src/libgo/mksysinfo.sh
@@ -55,8 +55,33 @@ grep '^type _mld_hdr_t ' gen-sysinfo.go
sed -e 's/_in6_addr/[16]byte/' >> ${OUT}
# The errno constants. These get type Errno.
- egrep '#define E[A-Z0-9_]+ ' errno.i | \
- sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(_\1)/' >> ${OUT}
+# egrep '#define E[A-Z0-9_]+ ' errno.i | \
+# sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(_\1)/' >> ${OUT}
+
+egrep '#define E[A-Z0-9_]+ [0-9]' errno.i | \
+ sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(_\1)/' >> ${OUT}
+# Workaround for GNU/Hurd _EMIG_* errors having negative values
+egrep '#define E[A-Z0-9_]+ -[0-9]' errno.i | \
+ sed -e 's/^#define \(E[A-Z0-9_]*\) .*$/const \1 = Errno(-_\1)/' >> ${OUT}
+
+# Special treatment of EWOULDBLOCK for GNU/Hurd
+# /usr/include/i386-gnu/bits/errno.h: #define EWOULDBLOCK EAGAIN
+if egrep '^const _EWOULDBLOCK = _EAGAIN' gen-sysinfo.go > /dev/null 2>&1; then
+ if egrep '^const EAGAIN = Errno\(_EAGAIN\)' ${OUT}; then
+ echo 'const EWOULDBLOCK = Errno(_EAGAIN)' >> ${OUT}
+ fi
+fi
+
+# Special treatment of _NSIG for GNU/Hurd
+# /usr/include/i386-gnu/bits/signum-generic.h:
+#define __SIGRTMIN 32
+#define __SIGRTMAX __SIGRTMIN
+#define _NSIG (__SIGRTMAX + 1)
+# Brute force method (mksigtab.sh bug):
+#if egrep '^const ___SIGRTMAX = ___SIGRTMIN' gen-sysinfo.go > /dev/null 2>&1; then
+# egrep '^const ___SIGRTMIN = 32' gen-sysinfo.go > /dev/null 2>&1 | \
+# echo "const __SIGRTMAX = 32" >> gen-sysinfo.go
+#fi
# The O_xxx flags.
egrep '^const _(O|F|FD)_' gen-sysinfo.go | \
@@ -125,6 +150,11 @@ grep '^const _SYS_' gen-sysinfo.go | \
echo "const $sup = _$sys" >> ${OUT}
done
+# Special treatment of SYS_IOCTL for GNU/Hurd
+if ! grep '^const SYS_IOCTL' ${OUT} > /dev/null 2>&1; then
+ echo "const SYS_IOCTL = 0" >> ${OUT}
+fi
+
# The GNU/Linux support wants to use SYS_GETDENTS64 if available.
if ! grep '^const SYS_GETDENTS ' ${OUT} >/dev/null 2>&1; then
echo "const SYS_GETDENTS = 0" >> ${OUT}
@@ -452,6 +482,11 @@ grep '^type _st_timespec ' gen-sysinfo.g
# The stat type.
# Prefer largefile variant if available.
+# Special treatment of st_dev for GNU/Hurd
+# /usr/include/i386-gnu/bits/stat.h: #define st_dev st_fsid
+if grep 'define st_dev st_fsid' gen-sysinfo.go > /dev/null 2>&1; then
+ sed -i -e 's/; st_fsid/; st_dev/' gen-sysinfo.go
+fi
stat=`grep '^type _stat64 ' gen-sysinfo.go || true`
if test "$stat" != ""; then
grep '^type _stat64 ' gen-sysinfo.go
Index: gcc-snapshot-20180721/src/libgo/go/crypto/x509/root_gnu.go
===================================================================
--- /dev/null
+++ gcc-snapshot-20180721/src/libgo/go/crypto/x509/root_gnu.go
@@ -0,0 +1,11 @@
+// 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.
+// This file is derived from root_linux.go
+
+package x509
+
+// Possible certificate files; stop after finding one.
+var certFiles = []string{
+ "/etc/ssl/certs/ca-certificates.crt", // Debian/Ubuntu/Gentoo etc.
+}
Index: gcc-snapshot-20180721/src/libgo/go/go/build/syslist.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/go/build/syslist.go
+++ gcc-snapshot-20180721/src/libgo/go/go/build/syslist.go
@@ -4,5 +4,5 @@
package build
-const goosList = "aix android darwin dragonfly freebsd js linux nacl netbsd openbsd plan9 solaris windows zos "
+const goosList = "aix android darwin dragonfly freebsd js gnu linux nacl netbsd openbsd plan9 solaris windows zos "
const goarchList = "386 amd64 amd64p32 arm armbe arm64 arm64be alpha m68k ppc64 ppc64le mips mipsle mips64 mips64le mips64p32 mips64p32le nios2 ppc riscv riscv64 s390 s390x sh shbe sparc sparc64 wasm "
Index: gcc-snapshot-20180721/src/libgo/go/net/cgo_gnu.go
===================================================================
--- /dev/null
+++ gcc-snapshot-20180721/src/libgo/go/net/cgo_gnu.go
@@ -0,0 +1,17 @@
+// Copyright 2011 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.
+// This file is derived from cgo_bsd.go
+
+// +build cgo,!netgo
+// +build gnu
+
+package net
+
+/*
+#include <netdb.h>
+*/
+
+import "syscall"
+
+const cgoAddrInfoFlags = syscall.AI_CANONNAME | syscall.AI_V4MAPPED | syscall.AI_ALL
Index: gcc-snapshot-20180721/src/libgo/go/net/sendfile_gnu.go
===================================================================
--- /dev/null
+++ gcc-snapshot-20180721/src/libgo/go/net/sendfile_gnu.go
@@ -0,0 +1,42 @@
+// Copyright 2011 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.
+// This file is identical to sendfile_linux.go
+
+package net
+
+import (
+ "internal/poll"
+ "io"
+ "os"
+)
+
+// sendFile copies the contents of r to c using the sendfile
+// system call to minimize copies.
+//
+// if handled == true, sendFile returns the number of bytes copied and any
+// non-EOF error.
+//
+// if handled == false, sendFile performed no work.
+func sendFile(c *netFD, r io.Reader) (written int64, err error, handled bool) {
+ var remain int64 = 1 << 62 // by default, copy until EOF
+
+ lr, ok := r.(*io.LimitedReader)
+ if ok {
+ remain, r = lr.N, lr.R
+ if remain <= 0 {
+ return 0, nil, true
+ }
+ }
+ f, ok := r.(*os.File)
+ if !ok {
+ return 0, nil, false
+ }
+
+ written, err = poll.SendFile(&c.pfd, int(f.Fd()), remain)
+
+ if lr != nil {
+ lr.N = remain - written
+ }
+ return written, wrapSyscallError("sendfile", err), written > 0
+}
Index: gcc-snapshot-20180721/src/libgo/go/net/sock_gnu.go
===================================================================
--- /dev/null
+++ gcc-snapshot-20180721/src/libgo/go/net/sock_gnu.go
@@ -0,0 +1,15 @@
+// Copyright 2014 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.
+// This file is derived from sock_stub.go
+
+// +build gnu
+
+package net
+
+import "syscall"
+
+func maxListenerBacklog() int {
+ // From /usr/include/i386-gnu/bits/socket.h
+ return syscall.SOMAXCONN
+}
Index: gcc-snapshot-20180721/src/libgo/go/net/sockopt_gnu.go
===================================================================
--- /dev/null
+++ gcc-snapshot-20180721/src/libgo/go/net/sockopt_gnu.go
@@ -0,0 +1,33 @@
+// Copyright 2011 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.
+// This file is identical to sockopt_linux.go
+
+package net
+
+import (
+ "os"
+ "syscall"
+)
+
+func setDefaultSockopts(s, family, sotype int, ipv6only bool) error {
+ if family == syscall.AF_INET6 && sotype != syscall.SOCK_RAW {
+ // Allow both IP versions even if the OS default
+ // is otherwise. Note that some operating systems
+ // never admit this option.
+ syscall.SetsockoptInt(s, syscall.IPPROTO_IPV6, syscall.IPV6_V6ONLY, boolint(ipv6only))
+ }
+ // Allow broadcast.
+ return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_BROADCAST, 1))
+}
+
+func setDefaultListenerSockopts(s int) error {
+ // Allow reuse of recently-used addresses.
+ return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1))
+}
+
+func setDefaultMulticastSockopts(s int) error {
+ // Allow multicast UDP and raw IP datagram sockets to listen
+ // concurrently across multiple listeners.
+ return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(s, syscall.SOL_SOCKET, syscall.SO_REUSEADDR, 1))
+}
Index: gcc-snapshot-20180721/src/libgo/go/net/sockoptip_gnu.go
===================================================================
--- /dev/null
+++ gcc-snapshot-20180721/src/libgo/go/net/sockoptip_gnu.go
@@ -0,0 +1,31 @@
+// Copyright 2011 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.
+// This file is identical to sockoptip_bsd.go
+
+// +build gnu
+
+package net
+
+import (
+ "runtime"
+ "syscall"
+)
+
+func setIPv4MulticastInterface(fd *netFD, ifi *Interface) error {
+ ip, err := interfaceToIPv4Addr(ifi)
+ if err != nil {
+ return wrapSyscallError("setsockopt", err)
+ }
+ var a [4]byte
+ copy(a[:], ip.To4())
+ err = fd.pfd.SetsockoptInet4Addr(syscall.IPPROTO_IP, syscall.IP_MULTICAST_IF, a)
+ runtime.KeepAlive(fd)
+ return wrapSyscallError("setsockopt", err)
+}
+
+func setIPv4MulticastLoopback(fd *netFD, v bool) error {
+ err := fd.pfd.SetsockoptByte(syscall.IPPROTO_IP, syscall.IP_MULTICAST_LOOP, byte(boolint(v)))
+ runtime.KeepAlive(fd)
+ return wrapSyscallError("setsockopt", err)
+}
Index: gcc-snapshot-20180721/src/libgo/go/internal/poll/sendfile_gnu.go
===================================================================
--- /dev/null
+++ gcc-snapshot-20180721/src/libgo/go/internal/poll/sendfile_gnu.go
@@ -0,0 +1,51 @@
+// Copyright 2011 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.
+// This file is identical to sendfile_linux.go
+
+package poll
+
+import "syscall"
+
+// maxSendfileSize is the largest chunk size we ask the kernel to copy
+// at a time.
+const maxSendfileSize int = 4 << 20
+
+// SendFile wraps the sendfile system call.
+func SendFile(dstFD *FD, src int, remain int64) (int64, error) {
+ if err := dstFD.writeLock(); err != nil {
+ return 0, err
+ }
+ defer dstFD.writeUnlock()
+
+ dst := int(dstFD.Sysfd)
+ var written int64
+ var err error
+ for remain > 0 {
+ n := maxSendfileSize
+ if int64(n) > remain {
+ n = int(remain)
+ }
+ n, err1 := syscall.Sendfile(dst, src, nil, n)
+ if n > 0 {
+ written += int64(n)
+ remain -= int64(n)
+ }
+ if n == 0 && err1 == nil {
+ break
+ }
+ if err1 == syscall.EAGAIN {
+ if err1 = dstFD.pd.waitWrite(dstFD.isFile); err1 == nil {
+ continue
+ }
+ }
+ if err1 != nil {
+ // This includes syscall.ENOSYS (no kernel
+ // support) and syscall.EINVAL (fd types which
+ // don't implement sendfile)
+ err = err1
+ break
+ }
+ }
+ return written, err
+}
Index: gcc-snapshot-20180721/src/libgo/go/os/executable_procfs.go
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/go/os/executable_procfs.go
+++ gcc-snapshot-20180721/src/libgo/go/os/executable_procfs.go
@@ -19,7 +19,7 @@ var executablePath, executablePathErr =
switch runtime.GOOS {
default:
return "", errors.New("Executable not implemented for " + runtime.GOOS)
- case "linux", "android":
+ case "gnu", "linux", "android":
procfn = "/proc/self/exe"
case "netbsd":
procfn = "/proc/curproc/exe"
Index: gcc-snapshot-20180721/src/libgo/go/os/pipe_gnu.go
===================================================================
--- /dev/null
+++ gcc-snapshot-20180721/src/libgo/go/os/pipe_gnu.go
@@ -0,0 +1,38 @@
+// Copyright 2013 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.
+// This file is derived from pipe_linux.go
+
+// +build gnu
+
+package os
+
+import "syscall"
+
+// Pipe returns a connected pair of Files; reads from r return bytes written to w.
+// It returns the files and an error, if any.
+func Pipe() (r *File, w *File, err error) {
+ var p [2]int
+
+ e := syscall.Pipe2(p[0:], syscall.O_CLOEXEC)
+ // pipe2 was added in 2.6.27 and our minimum requirement is 2.6.23, so it
+ // might not be implemented.
+ if e == syscall.ENOSYS {
+ // See ../syscall/exec.go for description of lock.
+ syscall.ForkLock.RLock()
+ e = syscall.Pipe(p[0:])
+ if e != nil {
+ syscall.ForkLock.RUnlock()
+ return nil, nil, NewSyscallError("pipe", e)
+ }
+ syscall.CloseOnExec(p[0])
+ syscall.CloseOnExec(p[1])
+ syscall.ForkLock.RUnlock()
+ } else if e != nil {
+ return nil, nil, NewSyscallError("pipe2", e)
+ }
+
+ return NewFile(uintptr(p[0]), "|0"), NewFile(uintptr(p[1]), "|1"), nil
+//FIXME: When netpoll_poll.go is implemented
+// return newFile(uintptr(p[0]), "|0", true), newFile(uintptr(p[1]), "|1", true), nil
+}
Index: gcc-snapshot-20180721/src/libgo/go/runtime/netpoll_gnu.go
===================================================================
--- /dev/null
+++ gcc-snapshot-20180721/src/libgo/go/runtime/netpoll_gnu.go
@@ -0,0 +1,303 @@
+// Copyright 2013 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.
+
+// FIXME: Fake network poller for gnu.
+// This is based on the former libgo/runtime/netpoll_select.c implementation
+// except that it uses poll instead of select and is written in Go.
+// Inspiration was also taken from netpoll_aix.go and netpoll_solaris.go
+
+// +build gnu
+
+package runtime
+
+import (
+ "unsafe"
+)
+
+//From /usr/include/i386-gnu/bits/poll.h
+const _POLLIN = 01 // There is data to read.
+const _POLLPRI = 02 // There is urgent data to read.
+const _POLLOUT = 04 // Writing now will not block.
+const _POLLERR = 010 // Error condition.
+const _POLLHUP = 020 // Hung up.
+const _POLLNVAL = 040 // Invalid polling request.
+
+type pollfd struct {
+ fd int32 // File descriptor to poll.
+ events int16 // Types of events poller cares about.
+ revents int16 // Types of events that actually occurred.
+}
+
+//From /usr/include/x86_64-linux-gnu/sys/poll.h
+//extern poll
+func poll (polldata_array *pollfd, nfds int32, timeout int32) int32
+
+//extern pipe2
+func libc_pipe2(fd *int32, flags int32) int32
+
+var (
+ pipefd [2]int32
+ pollfds int32 = -1
+ nfds int32 = 0
+ rdwake int32
+ wrwake int32
+ fds [207]pollfd
+ data [207]*pollDesc
+ pd *pollDesc
+ pmtx mutex
+ needsUpdate bool
+ b byte
+ err int32 = 0
+)
+
+func netpollinit() {
+
+ ret := libc_pipe2(&pipefd[0], _O_CLOEXEC|_O_NONBLOCK);
+ if ret == -1 {
+ throw("runtime:netpollinit(): failed to create pipe2")
+ }
+
+ rdwake = pipefd[0]
+ wrwake = pipefd[1]
+
+ // Add the read side of the pipe to the pollset.
+ lock(&pmtx)
+ fds[0].fd = int32(rdwake)
+ fds[0].events = int16(_POLLIN)
+ fds[0].revents = int16(0)
+
+// Checks for pd != nil are made in netpoll()
+ data[0] = nil
+ unlock(&pmtx)
+
+ nfds = 1
+ pollfds = 1
+
+ return
+}
+
+func netpolldescriptor() uintptr {
+ // FIXME: see src/libgo/go/os/exec/exec_test.go
+ // Need to return two fds here: wrwake and rdwake
+ return ^uintptr(0)
+}
+
+func fdadd(fd uintptr, events int16, pd *pollDesc) {
+// println("netpollopen:fdadd: nfds =", nfds, "fd =", fd)
+
+ fdfound := false
+ // Omit fds[0].fd = rdwake
+ for i := int32(1); i < nfds; i++ {
+ fdsi := fds[i]
+ if fdsi.fd == int32(fd) {
+ fdfound = true
+ fdsi.events = int16(events)
+ fdsi.revents = int16(0)
+ data[i] = pd
+ break
+ }
+ }
+ // fd not found, add it.
+ if fdfound == false {
+ fds[nfds].fd = int32(fd)
+ fds[nfds].events = int16(events)
+ fds[nfds].revents = int16(0)
+ data[nfds] = pd
+ nfds++
+ }
+
+// for l := int32(0); l < nfds; l++ {
+// println("fds[", l, "].fd =", fds[l].fd)
+// }
+
+ return
+}
+
+func netpollopen(fd uintptr, pd *pollDesc) int32 {
+ lock(&pmtx)
+ needsUpdate = true
+ unlock(&pmtx)
+
+ // poll will block so wakeup using wrwake first.
+wrloop1:
+ nwritten := write(uintptr(wrwake), unsafe.Pointer(&b), 1)
+ if nwritten == 0 {
+ println("runtime:netpollopen: write retuned zero, fd =", wrwake)
+ return -1
+ }
+ if nwritten == -1 {
+ err = int32(errno())
+ if err == _EAGAIN {
+ goto wrloop1
+ }
+ println("runtime:netpollopen: write failed fd =", wrwake, "errno =", err)
+ return err
+ }
+
+ // Add fd to the pollset.
+ lock(&pmtx)
+ fdadd(fd, _POLLIN|_POLLOUT, pd)
+ needsUpdate = false
+ unlock(&pmtx)
+
+ return 0
+}
+
+func fdremove(fd uintptr) {
+// println("netpollclose():fdremove() nfds =", nfds, "fd =", fd)
+
+ fdfound := false
+ // Omit fds[0].fd = rdwake
+ j := 1
+ for i := int32(1); i < nfds; i++ {
+ fdsi := fds[i]
+ if fdsi.fd == int32(fd) {
+ fdfound = true
+ fdsi.fd = int32(0)
+ fdsi.events = int16(0)
+ fdsi.revents = int16(0)
+ data[i] = nil
+ } else {
+ fds[j].fd = fdsi.fd
+ fds[j].events = fdsi.events
+ fds[j].revents = int16(0)
+ data[j] = data[i]
+ j++
+ }
+ }
+ nfds--
+ // fd not found, print an error
+ //FIXME: Still output from here
+ if fdfound == false {
+ println("netpollclose:fdremove: fd =", fd, "NOT FOUND")
+ }
+
+// for l := int32(0); l < nfds; l++ {
+// println("fds[", l, "].fd =", fds[l].fd)
+// }
+
+ return
+}
+
+func netpollclose(fd uintptr) int32 {
+ lock(&pmtx)
+ needsUpdate = true
+ unlock(&pmtx)
+
+ // poll will block so wakeup using wrwake first.
+wrloop2:
+ nwritten := write(uintptr(wrwake), unsafe.Pointer(&b), 1)
+ if nwritten == 0 {
+ println("runtime:netpollclose: write retuned zero, fd =", wrwake)
+ return -1
+ }
+ if nwritten == -1 {
+ err = int32(errno())
+ if err == _EAGAIN {
+ goto wrloop2
+ }
+ println("runtime:netpollclose: write failed fd =", wrwake, "errno =", err)
+ return err
+ }
+
+ // Remove fd from the pollset.
+ lock(&pmtx)
+ fdremove(fd)
+ needsUpdate = false
+ unlock(&pmtx)
+
+ return 0
+}
+
+func netpollarm(pd *pollDesc, mode int) {
+ throw("runtime:netpollarm() unused")
+}
+
+// polls for ready network connections
+// returns list of goroutines that become runnable
+func netpoll(block bool) *g {
+ if pollfds == -1 {
+ return nil
+ }
+
+ timeout := int32(-1)
+ if !block {
+ timeout = 0
+ }
+
+retry:
+ lock(&pmtx)
+ if needsUpdate {
+ unlock(&pmtx)
+ osyield()
+ goto retry
+ }
+ unlock(&pmtx)
+
+ // Note: poll only returns fds with non-zero revents!
+ nfound := poll(&fds[0], nfds, timeout)
+ if nfound == 0 {
+ return nil
+ }
+ if nfound < 0 {
+ err = int32(errno())
+ if err == _EINTR || err == _EAGAIN {
+ goto retry
+ }
+ println("runtime: poll failed errno =", err)
+ throw("runtime: netpoll failed")
+ }
+
+ var mode int32
+ var gp guintptr
+ // We assume that nfound <= nfds
+ for i := int32(0); i < nfds; i++ {
+ fdsi := &fds[i]
+
+ // Skip fds with zero revents as poll does
+ if fdsi.revents == 0 {
+ continue
+ }
+
+ mode = 0
+ if fdsi.revents&(_POLLIN|_POLLHUP|_POLLERR) != 0 {
+ if fdsi.fd == rdwake {
+rdloop:
+ nread := read(fdsi.fd, unsafe.Pointer(&b), 1)
+ // EOF
+ if nread == 0 {
+ println("runtime:netpoll: read returned zero fd =", fdsi.fd)
+ return nil
+ }
+ if nread == -1 {
+ err = int32(errno())
+ if err == _EAGAIN {
+ goto rdloop
+ }
+ println("runtime:netpoll: read failed fd =", fdsi.fd, "errno =", err)
+ return nil
+ }
+ continue
+ }
+ mode += 'r'
+ }
+ if fdsi.revents&(_POLLOUT|_POLLHUP|_POLLERR) != 0 {
+ mode += 'w'
+ }
+ if mode != 0 {
+ lock(&pmtx)
+ pd = data[i]
+ unlock(&pmtx)
+ if pd != nil {
+ netpollready(&gp, pd, mode)
+ }
+ }
+ }
+
+ if block && gp == 0 {
+ goto retry
+ }
+
+ return gp.ptr()
+}
Index: gcc-snapshot-20180721/src/libgo/go/runtime/os_gnu.go
===================================================================
--- /dev/null
+++ gcc-snapshot-20180721/src/libgo/go/runtime/os_gnu.go
@@ -0,0 +1,87 @@
+// Copyright 2011 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.
+// This file is derived from os_solaris.go
+
+package runtime
+
+import "unsafe"
+
+type mOS struct {
+ waitsema uintptr // semaphore for parking on locks
+}
+
+//extern malloc
+func libc_malloc(uintptr) unsafe.Pointer
+
+//go:noescape
+//extern sem_init
+func sem_init(sem *_sem_t, pshared int32, value uint32) int32
+
+//go:noescape
+//extern sem_wait
+func sem_wait(sem *_sem_t) int32
+
+//go:noescape
+//extern sem_post
+func sem_post(sem *_sem_t) int32
+
+//go:noescape
+//extern sem_timedwait
+func sem_timedwait(sem *_sem_t, timeout *timespec) int32
+
+//go:nosplit
+func semacreate(mp *m) {
+ if mp.mos.waitsema != 0 {
+ return
+ }
+
+ var sem *_sem_t
+
+ // Call libc's malloc rather than malloc. This will
+ // allocate space on the C heap. We can't call malloc
+ // here because it could cause a deadlock.
+ sem = (*_sem_t)(libc_malloc(unsafe.Sizeof(*sem)))
+ if sem_init(sem, 0, 0) != 0 {
+ throw("sem_init")
+ }
+ mp.mos.waitsema = uintptr(unsafe.Pointer(sem))
+}
+
+//go:nosplit
+func semasleep(ns int64) int32 {
+ _m_ := getg().m
+ if ns >= 0 {
+ var ts timespec
+ ts.set_sec(ns / 1000000000)
+ ts.set_nsec(int32(ns % 1000000000))
+
+ if sem_timedwait((*_sem_t)(unsafe.Pointer(_m_.mos.waitsema)), &ts) != 0 {
+ err := errno()
+ if err == _ETIMEDOUT || err == _EAGAIN || err == _EINTR {
+ return -1
+ }
+ throw("sem_timedwait")
+ }
+ return 0
+ }
+ for {
+ r1 := sem_wait((*_sem_t)(unsafe.Pointer(_m_.mos.waitsema)))
+ if r1 == 0 {
+ break
+ }
+ if errno() == _EINTR {
+ continue
+ }
+ throw("sem_wait")
+ }
+ return 0
+}
+
+//go:nosplit
+func semawakeup(mp *m) {
+ if sem_post((*_sem_t)(unsafe.Pointer(mp.mos.waitsema))) != 0 {
+ throw("sem_post")
+ }
+}
+
Index: gcc-snapshot-20180721/src/libgo/go/runtime/signal_gnu.go
===================================================================
--- /dev/null
+++ gcc-snapshot-20180721/src/libgo/go/runtime/signal_gnu.go
@@ -0,0 +1,750 @@
+// Copyright 2012 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.
+// This file is identical to signal_unix.go except for
+// dieFromSignal(_SIGIOT) instead of dieFromSignal(_SIGABRT)
+
+
+// +build gnu
+
+package runtime
+
+import (
+ "runtime/internal/atomic"
+ "unsafe"
+)
+
+// For gccgo's C code to call:
+//go:linkname initsig runtime.initsig
+//go:linkname sigtrampgo runtime.sigtrampgo
+
+// sigTabT is the type of an entry in the global sigtable array.
+// sigtable is inherently system dependent, and appears in OS-specific files,
+// but sigTabT is the same for all Unixy systems.
+// The sigtable array is indexed by a system signal number to get the flags
+// and printable name of each signal.
+type sigTabT struct {
+ flags int32
+ name string
+}
+
+//go:linkname os_sigpipe os.sigpipe
+func os_sigpipe() {
+ systemstack(sigpipe)
+}
+
+func signame(sig uint32) string {
+ if sig >= uint32(len(sigtable)) {
+ return ""
+ }
+ return sigtable[sig].name
+}
+
+const (
+ _SIG_DFL uintptr = 0
+ _SIG_IGN uintptr = 1
+)
+
+// Stores the signal handlers registered before Go installed its own.
+// These signal handlers will be invoked in cases where Go doesn't want to
+// handle a particular signal (e.g., signal occurred on a non-Go thread).
+// See sigfwdgo for more information on when the signals are forwarded.
+//
+// This is read by the signal handler; accesses should use
+// atomic.Loaduintptr and atomic.Storeuintptr.
+var fwdSig [_NSIG]uintptr
+
+// handlingSig is indexed by signal number and is non-zero if we are
+// currently handling the signal. Or, to put it another way, whether
+// the signal handler is currently set to the Go signal handler or not.
+// This is uint32 rather than bool so that we can use atomic instructions.
+var handlingSig [_NSIG]uint32
+
+// channels for synchronizing signal mask updates with the signal mask
+// thread
+var (
+ disableSigChan chan uint32
+ enableSigChan chan uint32
+ maskUpdatedChan chan struct{}
+)
+
+func init() {
+ // _NSIG is the number of signals on this operating system.
+ // sigtable should describe what to do for all the possible signals.
+ if len(sigtable) != _NSIG {
+ print("runtime: len(sigtable)=", len(sigtable), " _NSIG=", _NSIG, "\n")
+ throw("bad sigtable len")
+ }
+}
+
+var signalsOK bool
+
+// Initialize signals.
+// Called by libpreinit so runtime may not be initialized.
+//go:nosplit
+//go:nowritebarrierrec
+func initsig(preinit bool) {
+ if preinit {
+ // preinit is only passed as true if isarchive should be true.
+ isarchive = true
+ }
+
+ if !preinit {
+ // It's now OK for signal handlers to run.
+ signalsOK = true
+ }
+
+ // For c-archive/c-shared this is called by libpreinit with
+ // preinit == true.
+ if (isarchive || islibrary) && !preinit {
+ return
+ }
+
+ for i := uint32(0); i < _NSIG; i++ {
+ t := &sigtable[i]
+ if t.flags == 0 || t.flags&_SigDefault != 0 {
+ continue
+ }
+
+ // We don't need to use atomic operations here because
+ // there shouldn't be any other goroutines running yet.
+ fwdSig[i] = getsig(i)
+
+ if !sigInstallGoHandler(i) {
+ // Even if we are not installing a signal handler,
+ // set SA_ONSTACK if necessary.
+ if fwdSig[i] != _SIG_DFL && fwdSig[i] != _SIG_IGN {
+ setsigstack(i)
+ }
+ continue
+ }
+
+ handlingSig[i] = 1
+ setsig(i, getSigtramp())
+ }
+}
+
+//go:nosplit
+//go:nowritebarrierrec
+func sigInstallGoHandler(sig uint32) bool {
+ // For some signals, we respect an inherited SIG_IGN handler
+ // rather than insist on installing our own default handler.
+ // Even these signals can be fetched using the os/signal package.
+ switch sig {
+ case _SIGHUP, _SIGINT:
+ if atomic.Loaduintptr(&fwdSig[sig]) == _SIG_IGN {
+ return false
+ }
+ }
+
+ t := &sigtable[sig]
+ if t.flags&_SigSetStack != 0 {
+ return false
+ }
+
+ // When built using c-archive or c-shared, only install signal
+ // handlers for synchronous signals and SIGPIPE.
+ if (isarchive || islibrary) && t.flags&_SigPanic == 0 && sig != _SIGPIPE {
+ return false
+ }
+
+ return true
+}
+
+// sigenable enables the Go signal handler to catch the signal sig.
+// It is only called while holding the os/signal.handlers lock,
+// via os/signal.enableSignal and signal_enable.
+func sigenable(sig uint32) {
+ if sig >= uint32(len(sigtable)) {
+ return
+ }
+
+ // SIGPROF is handled specially for profiling.
+ if sig == _SIGPROF {
+ return
+ }
+
+ t := &sigtable[sig]
+ if t.flags&_SigNotify != 0 {
+ ensureSigM()
+ enableSigChan <- sig
+ <-maskUpdatedChan
+ if atomic.Cas(&handlingSig[sig], 0, 1) {
+ atomic.Storeuintptr(&fwdSig[sig], getsig(sig))
+ setsig(sig, getSigtramp())
+ }
+ }
+}
+
+// sigdisable disables the Go signal handler for the signal sig.
+// It is only called while holding the os/signal.handlers lock,
+// via os/signal.disableSignal and signal_disable.
+func sigdisable(sig uint32) {
+ if sig >= uint32(len(sigtable)) {
+ return
+ }
+
+ // SIGPROF is handled specially for profiling.
+ if sig == _SIGPROF {
+ return
+ }
+
+ t := &sigtable[sig]
+ if t.flags&_SigNotify != 0 {
+ ensureSigM()
+ disableSigChan <- sig
+ <-maskUpdatedChan
+
+ // If initsig does not install a signal handler for a
+ // signal, then to go back to the state before Notify
+ // we should remove the one we installed.
+ if !sigInstallGoHandler(sig) {
+ atomic.Store(&handlingSig[sig], 0)
+ setsig(sig, atomic.Loaduintptr(&fwdSig[sig]))
+ }
+ }
+}
+
+// sigignore ignores the signal sig.
+// It is only called while holding the os/signal.handlers lock,
+// via os/signal.ignoreSignal and signal_ignore.
+func sigignore(sig uint32) {
+ if sig >= uint32(len(sigtable)) {
+ return
+ }
+
+ // SIGPROF is handled specially for profiling.
+ if sig == _SIGPROF {
+ return
+ }
+
+ t := &sigtable[sig]
+ if t.flags&_SigNotify != 0 {
+ atomic.Store(&handlingSig[sig], 0)
+ setsig(sig, _SIG_IGN)
+ }
+}
+
+// clearSignalHandlers clears all signal handlers that are not ignored
+// back to the default. This is called by the child after a fork, so that
+// we can enable the signal mask for the exec without worrying about
+// running a signal handler in the child.
+//go:nosplit
+//go:nowritebarrierrec
+func clearSignalHandlers() {
+ for i := uint32(0); i < _NSIG; i++ {
+ if atomic.Load(&handlingSig[i]) != 0 {
+ setsig(i, _SIG_DFL)
+ }
+ }
+}
+
+// setProcessCPUProfiler is called when the profiling timer changes.
+// It is called with prof.lock held. hz is the new timer, and is 0 if
+// profiling is being disabled. Enable or disable the signal as
+// required for -buildmode=c-archive.
+func setProcessCPUProfiler(hz int32) {
+ if hz != 0 {
+ // Enable the Go signal handler if not enabled.
+ if atomic.Cas(&handlingSig[_SIGPROF], 0, 1) {
+ atomic.Storeuintptr(&fwdSig[_SIGPROF], getsig(_SIGPROF))
+ setsig(_SIGPROF, getSigtramp())
+ }
+ } else {
+ // If the Go signal handler should be disabled by default,
+ // disable it if it is enabled.
+ if !sigInstallGoHandler(_SIGPROF) {
+ if atomic.Cas(&handlingSig[_SIGPROF], 1, 0) {
+ setsig(_SIGPROF, atomic.Loaduintptr(&fwdSig[_SIGPROF]))
+ }
+ }
+ }
+}
+
+// setThreadCPUProfiler makes any thread-specific changes required to
+// implement profiling at a rate of hz.
+func setThreadCPUProfiler(hz int32) {
+ var it _itimerval
+ if hz == 0 {
+ setitimer(_ITIMER_PROF, &it, nil)
+ } else {
+ it.it_interval.tv_sec = 0
+ it.it_interval.set_usec(1000000 / hz)
+ it.it_value = it.it_interval
+ setitimer(_ITIMER_PROF, &it, nil)
+ }
+ _g_ := getg()
+ _g_.m.profilehz = hz
+}
+
+func sigpipe() {
+ if sigsend(_SIGPIPE) {
+ return
+ }
+ dieFromSignal(_SIGPIPE)
+}
+
+// sigtrampgo is called from the signal handler function, sigtramp,
+// written in assembly code.
+// This is called by the signal handler, and the world may be stopped.
+//
+// It must be nosplit because getg() is still the G that was running
+// (if any) when the signal was delivered, but it's (usually) called
+// on the gsignal stack. Until this switches the G to gsignal, the
+// stack bounds check won't work.
+//
+//go:nosplit
+//go:nowritebarrierrec
+func sigtrampgo(sig uint32, info *_siginfo_t, ctx unsafe.Pointer) {
+ if sigfwdgo(sig, info, ctx) {
+ return
+ }
+ g := getg()
+ if g == nil {
+ c := sigctxt{info, ctx}
+ if sig == _SIGPROF {
+ _, pc := getSiginfo(info, ctx)
+ sigprofNonGo(pc)
+ return
+ }
+ badsignal(uintptr(sig), &c)
+ return
+ }
+
+ setg(g.m.gsignal)
+ sighandler(sig, info, ctx, g)
+ setg(g)
+}
+
+// sigpanic turns a synchronous signal into a run-time panic.
+// If the signal handler sees a synchronous panic, it arranges the
+// stack to look like the function where the signal occurred called
+// sigpanic, sets the signal's PC value to sigpanic, and returns from
+// the signal handler. The effect is that the program will act as
+// though the function that got the signal simply called sigpanic
+// instead.
+//
+// This must NOT be nosplit because the linker doesn't know where
+// sigpanic calls can be injected.
+//
+// The signal handler must not inject a call to sigpanic if
+// getg().throwsplit, since sigpanic may need to grow the stack.
+func sigpanic() {
+ g := getg()
+ if !canpanic(g) {
+ throw("unexpected signal during runtime execution")
+ }
+
+ switch g.sig {
+ case _SIGBUS:
+ if g.sigcode0 == _BUS_ADRERR && g.sigcode1 < 0x1000 {
+ panicmem()
+ }
+ // Support runtime/debug.SetPanicOnFault.
+ if g.paniconfault {
+ panicmem()
+ }
+ print("unexpected fault address ", hex(g.sigcode1), "\n")
+ throw("fault")
+ case _SIGSEGV:
+ if (g.sigcode0 == 0 || g.sigcode0 == _SEGV_MAPERR || g.sigcode0 == _SEGV_ACCERR) && g.sigcode1 < 0x1000 {
+ panicmem()
+ }
+ // Support runtime/debug.SetPanicOnFault.
+ if g.paniconfault {
+ panicmem()
+ }
+ print("unexpected fault address ", hex(g.sigcode1), "\n")
+ throw("fault")
+ case _SIGFPE:
+ switch g.sigcode0 {
+ case _FPE_INTDIV:
+ panicdivide()
+ case _FPE_INTOVF:
+ panicoverflow()
+ }
+ panicfloat()
+ }
+
+ if g.sig >= uint32(len(sigtable)) {
+ // can't happen: we looked up g.sig in sigtable to decide to call sigpanic
+ throw("unexpected signal value")
+ }
+ panic(errorString(sigtable[g.sig].name))
+}
+
+// dieFromSignal kills the program with a signal.
+// This provides the expected exit status for the shell.
+// This is only called with fatal signals expected to kill the process.
+//go:nosplit
+//go:nowritebarrierrec
+func dieFromSignal(sig uint32) {
+ unblocksig(sig)
+ // Mark the signal as unhandled to ensure it is forwarded.
+ atomic.Store(&handlingSig[sig], 0)
+ raise(sig)
+
+ // That should have killed us. On some systems, though, raise
+ // sends the signal to the whole process rather than to just
+ // the current thread, which means that the signal may not yet
+ // have been delivered. Give other threads a chance to run and
+ // pick up the signal.
+ osyield()
+ osyield()
+ osyield()
+
+ // If that didn't work, try _SIG_DFL.
+ setsig(sig, _SIG_DFL)
+ raise(sig)
+
+ osyield()
+ osyield()
+ osyield()
+
+ // On Darwin we may still fail to die, because raise sends the
+ // signal to the whole process rather than just the current thread,
+ // and osyield just sleeps briefly rather than letting all other
+ // threads run. See issue 20315. Sleep longer.
+ if GOOS == "darwin" {
+ usleep(100)
+ }
+
+ // If we are still somehow running, just exit with the wrong status.
+ exit(2)
+}
+
+// raisebadsignal is called when a signal is received on a non-Go
+// thread, and the Go program does not want to handle it (that is, the
+// program has not called os/signal.Notify for the signal).
+func raisebadsignal(sig uint32, c *sigctxt) {
+ if sig == _SIGPROF {
+ // Ignore profiling signals that arrive on non-Go threads.
+ return
+ }
+
+ var handler uintptr
+ if sig >= _NSIG {
+ handler = _SIG_DFL
+ } else {
+ handler = atomic.Loaduintptr(&fwdSig[sig])
+ }
+
+ // Reset the signal handler and raise the signal.
+ // We are currently running inside a signal handler, so the
+ // signal is blocked. We need to unblock it before raising the
+ // signal, or the signal we raise will be ignored until we return
+ // from the signal handler. We know that the signal was unblocked
+ // before entering the handler, or else we would not have received
+ // it. That means that we don't have to worry about blocking it
+ // again.
+ unblocksig(sig)
+ setsig(sig, handler)
+
+ // If we're linked into a non-Go program we want to try to
+ // avoid modifying the original context in which the signal
+ // was raised. If the handler is the default, we know it
+ // is non-recoverable, so we don't have to worry about
+ // re-installing sighandler. At this point we can just
+ // return and the signal will be re-raised and caught by
+ // the default handler with the correct context.
+ if (isarchive || islibrary) && handler == _SIG_DFL && c.sigcode() != _SI_USER {
+ return
+ }
+
+ raise(sig)
+
+ // Give the signal a chance to be delivered.
+ // In almost all real cases the program is about to crash,
+ // so sleeping here is not a waste of time.
+ usleep(1000)
+
+ // If the signal didn't cause the program to exit, restore the
+ // Go signal handler and carry on.
+ //
+ // We may receive another instance of the signal before we
+ // restore the Go handler, but that is not so bad: we know
+ // that the Go program has been ignoring the signal.
+ setsig(sig, getSigtramp())
+}
+
+func crash() {
+ if GOOS == "darwin" {
+ // OS X core dumps are linear dumps of the mapped memory,
+ // from the first virtual byte to the last, with zeros in the gaps.
+ // Because of the way we arrange the address space on 64-bit systems,
+ // this means the OS X core file will be >128 GB and even on a zippy
+ // workstation can take OS X well over an hour to write (uninterruptible).
+ // Save users from making that mistake.
+ if GOARCH == "amd64" {
+ return
+ }
+ }
+
+ dieFromSignal(_SIGIOT)
+}
+
+// ensureSigM starts one global, sleeping thread to make sure at least one thread
+// is available to catch signals enabled for os/signal.
+func ensureSigM() {
+ if maskUpdatedChan != nil {
+ return
+ }
+ maskUpdatedChan = make(chan struct{})
+ disableSigChan = make(chan uint32)
+ enableSigChan = make(chan uint32)
+ go func() {
+ // Signal masks are per-thread, so make sure this goroutine stays on one
+ // thread.
+ LockOSThread()
+ defer UnlockOSThread()
+ // The sigBlocked mask contains the signals not active for os/signal,
+ // initially all signals except the essential. When signal.Notify()/Stop is called,
+ // sigenable/sigdisable in turn notify this thread to update its signal
+ // mask accordingly.
+ var sigBlocked sigset
+ sigfillset(&sigBlocked)
+ for i := range sigtable {
+ if !blockableSig(uint32(i)) {
+ sigdelset(&sigBlocked, i)
+ }
+ }
+ sigprocmask(_SIG_SETMASK, &sigBlocked, nil)
+ for {
+ select {
+ case sig := <-enableSigChan:
+ if sig > 0 {
+ sigdelset(&sigBlocked, int(sig))
+ }
+ case sig := <-disableSigChan:
+ if sig > 0 && blockableSig(sig) {
+ sigaddset(&sigBlocked, int(sig))
+ }
+ }
+ sigprocmask(_SIG_SETMASK, &sigBlocked, nil)
+ maskUpdatedChan <- struct{}{}
+ }
+ }()
+}
+
+// This is called when we receive a signal when there is no signal stack.
+// This can only happen if non-Go code calls sigaltstack to disable the
+// signal stack.
+func noSignalStack(sig uint32) {
+ println("signal", sig, "received on thread with no signal stack")
+ throw("non-Go code disabled sigaltstack")
+}
+
+// This is called if we receive a signal when there is a signal stack
+// but we are not on it. This can only happen if non-Go code called
+// sigaction without setting the SS_ONSTACK flag.
+func sigNotOnStack(sig uint32) {
+ println("signal", sig, "received but handler not on signal stack")
+ throw("non-Go code set up signal handler without SA_ONSTACK flag")
+}
+
+// signalDuringFork is called if we receive a signal while doing a fork.
+// We do not want signals at that time, as a signal sent to the process
+// group may be delivered to the child process, causing confusion.
+// This should never be called, because we block signals across the fork;
+// this function is just a safety check. See issue 18600 for background.
+func signalDuringFork(sig uint32) {
+ println("signal", sig, "received during fork")
+ throw("signal received during fork")
+}
+
+// This runs on a foreign stack, without an m or a g. No stack split.
+//go:nosplit
+//go:norace
+//go:nowritebarrierrec
+func badsignal(sig uintptr, c *sigctxt) {
+ needm(0)
+ if !sigsend(uint32(sig)) {
+ // A foreign thread received the signal sig, and the
+ // Go code does not want to handle it.
+ raisebadsignal(uint32(sig), c)
+ }
+ dropm()
+}
+
+// Determines if the signal should be handled by Go and if not, forwards the
+// signal to the handler that was installed before Go's. Returns whether the
+// signal was forwarded.
+// This is called by the signal handler, and the world may be stopped.
+//go:nosplit
+//go:nowritebarrierrec
+func sigfwdgo(sig uint32, info *_siginfo_t, ctx unsafe.Pointer) bool {
+ if sig >= uint32(len(sigtable)) {
+ return false
+ }
+ fwdFn := atomic.Loaduintptr(&fwdSig[sig])
+ flags := sigtable[sig].flags
+
+ // If we aren't handling the signal, forward it.
+ if atomic.Load(&handlingSig[sig]) == 0 || !signalsOK {
+ // If the signal is ignored, doing nothing is the same as forwarding.
+ if fwdFn == _SIG_IGN || (fwdFn == _SIG_DFL && flags&_SigIgn != 0) {
+ return true
+ }
+ // We are not handling the signal and there is no other handler to forward to.
+ // Crash with the default behavior.
+ if fwdFn == _SIG_DFL {
+ setsig(sig, _SIG_DFL)
+ dieFromSignal(sig)
+ return false
+ }
+
+ sigfwd(fwdFn, sig, info, ctx)
+ return true
+ }
+
+ // If there is no handler to forward to, no need to forward.
+ if fwdFn == _SIG_DFL {
+ return false
+ }
+
+ c := sigctxt{info, ctx}
+ // Only forward synchronous signals and SIGPIPE.
+ // Unfortunately, user generated SIGPIPEs will also be forwarded, because si_code
+ // is set to _SI_USER even for a SIGPIPE raised from a write to a closed socket
+ // or pipe.
+ if (c.sigcode() == _SI_USER || flags&_SigPanic == 0) && sig != _SIGPIPE {
+ return false
+ }
+ // Determine if the signal occurred inside Go code. We test that:
+ // (1) we were in a goroutine (i.e., m.curg != nil), and
+ // (2) we weren't in CGO.
+ g := getg()
+ if g != nil && g.m != nil && g.m.curg != nil && !g.m.incgo {
+ return false
+ }
+
+ // Signal not handled by Go, forward it.
+ if fwdFn != _SIG_IGN {
+ sigfwd(fwdFn, sig, info, ctx)
+ }
+
+ return true
+}
+
+// msigsave saves the current thread's signal mask into mp.sigmask.
+// This is used to preserve the non-Go signal mask when a non-Go
+// thread calls a Go function.
+// This is nosplit and nowritebarrierrec because it is called by needm
+// which may be called on a non-Go thread with no g available.
+//go:nosplit
+//go:nowritebarrierrec
+func msigsave(mp *m) {
+ sigprocmask(_SIG_SETMASK, nil, &mp.sigmask)
+}
+
+// msigrestore sets the current thread's signal mask to sigmask.
+// This is used to restore the non-Go signal mask when a non-Go thread
+// calls a Go function.
+// This is nosplit and nowritebarrierrec because it is called by dropm
+// after g has been cleared.
+//go:nosplit
+//go:nowritebarrierrec
+func msigrestore(sigmask sigset) {
+ sigprocmask(_SIG_SETMASK, &sigmask, nil)
+}
+
+// sigblock blocks all signals in the current thread's signal mask.
+// This is used to block signals while setting up and tearing down g
+// when a non-Go thread calls a Go function.
+// The OS-specific code is expected to define sigset_all.
+// This is nosplit and nowritebarrierrec because it is called by needm
+// which may be called on a non-Go thread with no g available.
+//go:nosplit
+//go:nowritebarrierrec
+func sigblock() {
+ var set sigset
+ sigfillset(&set)
+ sigprocmask(_SIG_SETMASK, &set, nil)
+}
+
+// unblocksig removes sig from the current thread's signal mask.
+// This is nosplit and nowritebarrierrec because it is called from
+// dieFromSignal, which can be called by sigfwdgo while running in the
+// signal handler, on the signal stack, with no g available.
+//go:nosplit
+//go:nowritebarrierrec
+func unblocksig(sig uint32) {
+ var set sigset
+ sigemptyset(&set)
+ sigaddset(&set, int(sig))
+ sigprocmask(_SIG_UNBLOCK, &set, nil)
+}
+
+// minitSignals is called when initializing a new m to set the
+// thread's alternate signal stack and signal mask.
+func minitSignals() {
+ minitSignalStack()
+ minitSignalMask()
+}
+
+// minitSignalStack is called when initializing a new m to set the
+// alternate signal stack. If the alternate signal stack is not set
+// for the thread (the normal case) then set the alternate signal
+// stack to the gsignal stack. If the alternate signal stack is set
+// for the thread (the case when a non-Go thread sets the alternate
+// signal stack and then calls a Go function) then set the gsignal
+// stack to the alternate signal stack. Record which choice was made
+// in newSigstack, so that it can be undone in unminit.
+func minitSignalStack() {
+ _g_ := getg()
+ var st _stack_t
+ sigaltstack(nil, &st)
+ if st.ss_flags&_SS_DISABLE != 0 {
+ signalstack(_g_.m.gsignalstack, _g_.m.gsignalstacksize)
+ _g_.m.newSigstack = true
+ } else {
+ _g_.m.newSigstack = false
+ }
+}
+
+// minitSignalMask is called when initializing a new m to set the
+// thread's signal mask. When this is called all signals have been
+// blocked for the thread. This starts with m.sigmask, which was set
+// either from initSigmask for a newly created thread or by calling
+// msigsave if this is a non-Go thread calling a Go function. It
+// removes all essential signals from the mask, thus causing those
+// signals to not be blocked. Then it sets the thread's signal mask.
+// After this is called the thread can receive signals.
+func minitSignalMask() {
+ nmask := getg().m.sigmask
+ for i := range sigtable {
+ if !blockableSig(uint32(i)) {
+ sigdelset(&nmask, i)
+ }
+ }
+ sigprocmask(_SIG_SETMASK, &nmask, nil)
+}
+
+// unminitSignals is called from dropm, via unminit, to undo the
+// effect of calling minit on a non-Go thread.
+//go:nosplit
+//go:nowritebarrierrec
+func unminitSignals() {
+ if getg().m.newSigstack {
+ signalstack(nil, 0)
+ }
+}
+
+// blockableSig returns whether sig may be blocked by the signal mask.
+// We never want to block the signals marked _SigUnblock;
+// these are the synchronous signals that turn into a Go panic.
+// In a Go program--not a c-archive/c-shared--we never want to block
+// the signals marked _SigKill or _SigThrow, as otherwise it's possible
+// for all running threads to block them and delay their delivery until
+// we start a new thread. When linked into a C program we let the C code
+// decide on the disposition of those signals.
+func blockableSig(sig uint32) bool {
+ flags := sigtable[sig].flags
+ if flags&_SigUnblock != 0 {
+ return false
+ }
+ if isarchive || islibrary {
+ return true
+ }
+ return flags&(_SigKill|_SigThrow) == 0
+}
Index: gcc-snapshot-20180721/src/libgo/go/syscall/syscall_gnu_test.go
===================================================================
--- /dev/null
+++ gcc-snapshot-20180721/src/libgo/go/syscall/syscall_gnu_test.go
@@ -0,0 +1,356 @@
+// Copyright 2013 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.
+
+// +build gnu
+
+package syscall_test
+
+import (
+ "flag"
+ "fmt"
+ "internal/testenv"
+ "io/ioutil"
+ "net"
+ "os"
+ "os/exec"
+ "path/filepath"
+ "runtime"
+ "syscall"
+ "testing"
+ "time"
+)
+
+// Tests that below functions, structures and constants are consistent
+// on all Unix-like systems.
+func _() {
+ // program scheduling priority functions and constants
+ var (
+ _ func(int, int, int) error = syscall.Setpriority
+ _ func(int, int) (int, error) = syscall.Getpriority
+ )
+ const (
+ _ int = syscall.PRIO_USER
+ _ int = syscall.PRIO_PROCESS
+ _ int = syscall.PRIO_PGRP
+ )
+
+ // termios constants
+ const (
+ _ int = syscall.TCIFLUSH
+ _ int = syscall.TCIOFLUSH
+ _ int = syscall.TCOFLUSH
+ )
+
+ // fcntl file locking structure and constants
+ var (
+ _ = syscall.Flock_t{
+ Type: int32(0),
+ Whence: int32(0),
+ Start: int64(0),
+ Len: int64(0),
+ Pid: int32(0),
+ }
+ )
+ const (
+ _ = syscall.F_GETLK
+ _ = syscall.F_SETLK
+ _ = syscall.F_SETLKW
+ )
+}
+
+// TestFcntlFlock tests whether the file locking structure matches
+// the calling convention of each kernel.
+// On some Linux systems, glibc uses another set of values for the
+// commands and translates them to the correct value that the kernel
+// expects just before the actual fcntl syscall. As Go uses raw
+// syscalls directly, it must use the real value, not the glibc value.
+// Thus this test also verifies that the Flock_t structure can be
+// roundtripped with F_SETLK and F_GETLK.
+func TestFcntlFlock(t *testing.T) {
+ if runtime.GOOS == "darwin" && (runtime.GOARCH == "arm" || runtime.GOARCH == "arm64") {
+ t.Skip("skipping; no child processes allowed on iOS")
+ }
+ flock := syscall.Flock_t{
+ Type: syscall.F_WRLCK,
+ Start: 31415, Len: 271828, Whence: 1,
+ }
+ if os.Getenv("GO_WANT_HELPER_PROCESS") == "" {
+ // parent
+ name := filepath.Join(os.TempDir(), "TestFcntlFlock")
+ fd, err := syscall.Open(name, syscall.O_CREAT|syscall.O_RDWR|syscall.O_CLOEXEC, 0)
+ if err != nil {
+ t.Fatalf("Open failed: %v", err)
+ }
+ defer syscall.Unlink(name)
+ defer syscall.Close(fd)
+ if err := syscall.Ftruncate(fd, 1<<20); err != nil {
+ t.Fatalf("Ftruncate(1<<20) failed: %v", err)
+ }
+ if err := syscall.FcntlFlock(uintptr(fd), syscall.F_SETLK, &flock); err != nil {
+ t.Fatalf("FcntlFlock(F_SETLK) failed: %v", err)
+ }
+ cmd := exec.Command(os.Args[0], "-test.run=^TestFcntlFlock$")
+ cmd.Env = append(os.Environ(), "GO_WANT_HELPER_PROCESS=1")
+ cmd.ExtraFiles = []*os.File{os.NewFile(uintptr(fd), name)}
+ out, err := cmd.CombinedOutput()
+ if len(out) > 0 || err != nil {
+ t.Fatalf("child process: %q, %v", out, err)
+ }
+ } else {
+ // child
+ got := flock
+ // make sure the child lock is conflicting with the parent lock
+ got.Start--
+ got.Len++
+ if err := syscall.FcntlFlock(3, syscall.F_GETLK, &got); err != nil {
+ t.Fatalf("FcntlFlock(F_GETLK) failed: %v", err)
+ }
+ flock.Pid = int32(syscall.Getppid())
+ // Linux kernel always set Whence to 0
+ flock.Whence = 0
+ if got.Type == flock.Type && got.Start == flock.Start && got.Len == flock.Len && got.Pid == flock.Pid && got.Whence == flock.Whence {
+ os.Exit(0)
+ }
+ t.Fatalf("FcntlFlock got %v, want %v", got, flock)
+ }
+}
+
+// TestPassFD tests passing a file descriptor over a Unix socket.
+//
+// This test involved both a parent and child process. The parent
+// process is invoked as a normal test, with "go test", which then
+// runs the child process by running the current test binary with args
+// "-test.run=^TestPassFD$" and an environment variable used to signal
+// that the test should become the child process instead.
+func TestPassFD(t *testing.T) {
+ switch runtime.GOOS {
+ case "dragonfly":
+ // TODO(jsing): Figure out why sendmsg is returning EINVAL.
+ t.Skip("skipping test on dragonfly")
+ case "solaris":
+ // TODO(aram): Figure out why ReadMsgUnix is returning empty message.
+ t.Skip("skipping test on solaris, see issue 7402")
+ }
+
+ testenv.MustHaveExec(t)
+
+ if os.Getenv("GO_WANT_HELPER_PROCESS") == "1" {
+ passFDChild()
+ return
+ }
+
+ tempDir, err := ioutil.TempDir("", "TestPassFD")
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer os.RemoveAll(tempDir)
+
+ fds, err := syscall.Socketpair(syscall.AF_LOCAL, syscall.SOCK_STREAM, 0)
+ if err != nil {
+ t.Fatalf("Socketpair: %v", err)
+ }
+ defer syscall.Close(fds[0])
+ defer syscall.Close(fds[1])
+ writeFile := os.NewFile(uintptr(fds[0]), "child-writes")
+ readFile := os.NewFile(uintptr(fds[1]), "parent-reads")
+ defer writeFile.Close()
+ defer readFile.Close()
+
+ cmd := exec.Command(os.Args[0], "-test.run=^TestPassFD$", "--", tempDir)
+ cmd.Env = append(os.Environ(), "GO_WANT_HELPER_PROCESS=1")
+ cmd.ExtraFiles = []*os.File{writeFile}
+
+ out, err := cmd.CombinedOutput()
+ if len(out) > 0 || err != nil {
+ t.Fatalf("child process: %q, %v", out, err)
+ }
+
+ c, err := net.FileConn(readFile)
+ if err != nil {
+ t.Fatalf("FileConn: %v", err)
+ }
+ defer c.Close()
+
+ uc, ok := c.(*net.UnixConn)
+ if !ok {
+ t.Fatalf("unexpected FileConn type; expected UnixConn, got %T", c)
+ }
+
+ buf := make([]byte, 32) // expect 1 byte
+ oob := make([]byte, 32) // expect 24 bytes
+ closeUnix := time.AfterFunc(5*time.Second, func() {
+ t.Logf("timeout reading from unix socket")
+ uc.Close()
+ })
+ _, oobn, _, _, err := uc.ReadMsgUnix(buf, oob)
+ closeUnix.Stop()
+
+ scms, err := syscall.ParseSocketControlMessage(oob[:oobn])
+ if err != nil {
+ t.Fatalf("ParseSocketControlMessage: %v", err)
+ }
+ if len(scms) != 1 {
+ t.Fatalf("expected 1 SocketControlMessage; got scms = %#v", scms)
+ }
+ scm := scms[0]
+ gotFds, err := syscall.ParseUnixRights(&scm)
+ if err != nil {
+ t.Fatalf("syscall.ParseUnixRights: %v", err)
+ }
+ if len(gotFds) != 1 {
+ t.Fatalf("wanted 1 fd; got %#v", gotFds)
+ }
+
+ f := os.NewFile(uintptr(gotFds[0]), "fd-from-child")
+ defer f.Close()
+
+ got, err := ioutil.ReadAll(f)
+ want := "Hello from child process!\n"
+ if string(got) != want {
+ t.Errorf("child process ReadAll: %q, %v; want %q", got, err, want)
+ }
+}
+
+// passFDChild is the child process used by TestPassFD.
+func passFDChild() {
+ defer os.Exit(0)
+
+ // Look for our fd. It should be fd 3, but we work around an fd leak
+ // bug here (https://golang.org/issue/2603) to let it be elsewhere.
+ var uc *net.UnixConn
+ for fd := uintptr(3); fd <= 10; fd++ {
+ f := os.NewFile(fd, "unix-conn")
+ var ok bool
+ netc, _ := net.FileConn(f)
+ uc, ok = netc.(*net.UnixConn)
+ if ok {
+ break
+ }
+ }
+ if uc == nil {
+ fmt.Println("failed to find unix fd")
+ return
+ }
+
+ // Make a file f to send to our parent process on uc.
+ // We make it in tempDir, which our parent will clean up.
+ flag.Parse()
+ tempDir := flag.Arg(0)
+ f, err := ioutil.TempFile(tempDir, "")
+ if err != nil {
+ fmt.Printf("TempFile: %v", err)
+ return
+ }
+
+ f.Write([]byte("Hello from child process!\n"))
+ f.Seek(0, 0)
+
+ rights := syscall.UnixRights(int(f.Fd()))
+ dummyByte := []byte("x")
+ n, oobn, err := uc.WriteMsgUnix(dummyByte, rights, nil)
+ if err != nil {
+ fmt.Printf("WriteMsgUnix: %v", err)
+ return
+ }
+ if n != 1 || oobn != len(rights) {
+ fmt.Printf("WriteMsgUnix = %d, %d; want 1, %d", n, oobn, len(rights))
+ return
+ }
+}
+
+// TestUnixRightsRoundtrip tests that UnixRights, ParseSocketControlMessage,
+// and ParseUnixRights are able to successfully round-trip lists of file descriptors.
+func TestUnixRightsRoundtrip(t *testing.T) {
+ testCases := [...][][]int{
+ {{42}},
+ {{1, 2}},
+ {{3, 4, 5}},
+ {{}},
+ {{1, 2}, {3, 4, 5}, {}, {7}},
+ }
+ for _, testCase := range testCases {
+ b := []byte{}
+ var n int
+ for _, fds := range testCase {
+ // Last assignment to n wins
+ n = len(b) + syscall.CmsgLen(4*len(fds))
+ b = append(b, syscall.UnixRights(fds...)...)
+ }
+ // Truncate b
+ b = b[:n]
+
+ scms, err := syscall.ParseSocketControlMessage(b)
+ if err != nil {
+ t.Fatalf("ParseSocketControlMessage: %v", err)
+ }
+ if len(scms) != len(testCase) {
+ t.Fatalf("expected %v SocketControlMessage; got scms = %#v", len(testCase), scms)
+ }
+ for i, scm := range scms {
+ gotFds, err := syscall.ParseUnixRights(&scm)
+ if err != nil {
+ t.Fatalf("ParseUnixRights: %v", err)
+ }
+ wantFds := testCase[i]
+ if len(gotFds) != len(wantFds) {
+ t.Fatalf("expected %v fds, got %#v", len(wantFds), gotFds)
+ }
+ for j, fd := range gotFds {
+ if fd != wantFds[j] {
+ t.Fatalf("expected fd %v, got %v", wantFds[j], fd)
+ }
+ }
+ }
+ }
+}
+
+func TestRlimit(t *testing.T) {
+ var rlimit, zero syscall.Rlimit
+ err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rlimit)
+ if err != nil {
+ t.Fatalf("Getrlimit: save failed: %v", err)
+ }
+ if zero == rlimit {
+ t.Fatalf("Getrlimit: save failed: got zero value %#v", rlimit)
+ }
+ set := rlimit
+ set.Cur = set.Max - 1
+ err = syscall.Setrlimit(syscall.RLIMIT_NOFILE, &set)
+ if err != nil {
+ t.Fatalf("Setrlimit: set failed: %#v %v", set, err)
+ }
+ var get syscall.Rlimit
+ err = syscall.Getrlimit(syscall.RLIMIT_NOFILE, &get)
+ if err != nil {
+ t.Fatalf("Getrlimit: get failed: %v", err)
+ }
+ set = rlimit
+ set.Cur = set.Max - 1
+ if set != get {
+ // Seems like Darwin requires some privilege to
+ // increase the soft limit of rlimit sandbox, though
+ // Setrlimit never reports an error.
+ switch runtime.GOOS {
+ case "darwin":
+ default:
+ t.Fatalf("Rlimit: change failed: wanted %#v got %#v", set, get)
+ }
+ }
+ err = syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rlimit)
+ if err != nil {
+ t.Fatalf("Setrlimit: restore failed: %#v %v", rlimit, err)
+ }
+}
+
+func TestSeekFailure(t *testing.T) {
+ _, err := syscall.Seek(-1, 0, 0)
+ if err == nil {
+ t.Fatalf("Seek(-1, 0, 0) did not fail")
+ }
+ str := err.Error() // used to crash on Linux
+ t.Logf("Seek: %v", str)
+ if str == "" {
+ t.Fatalf("Seek(-1, 0, 0) return error with empty message")
+ }
+}
Index: gcc-snapshot-20180721/src/libgo/runtime/getncpu-gnu.c
===================================================================
--- /dev/null
+++ gcc-snapshot-20180721/src/libgo/runtime/getncpu-gnu.c
@@ -0,0 +1,16 @@
+// Copyright 2012 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 <unistd.h>
+
+#include "runtime.h"
+#include "defs.h"
+
+int32
+getproccount(void)
+{
+ int32 n;
+ n = (int32)sysconf(_SC_NPROCESSORS_ONLN);
+ return n > 1 ? n : 1;
+}
Index: gcc-snapshot-20180721/src/libgo/testsuite/gotest
===================================================================
--- gcc-snapshot-20180721.orig/src/libgo/testsuite/gotest
+++ gcc-snapshot-20180721/src/libgo/testsuite/gotest
@@ -628,7 +628,11 @@ xno)
wait $pid
status=$?
if ! test -f gotest-timeout; then
- sleeppid=`ps -o pid,ppid,comm | grep " $alarmpid " | grep sleep | sed -e 's/ *\([0-9]*\) .*$/\1/'`
+ if test "$goos" = "gnu"; then
+ sleeppid=`ps -o pid,ppid | grep " $alarmpid " | grep sleep | sed -e 's/ *\([0-9]*\) .*$/\1/'`
+ else
+ sleeppid=`ps -o pid,ppid,comm | grep " $alarmpid " | grep sleep | sed -e 's/ *\([0-9]*\) .*$/\1/'`
+ fi
kill $alarmpid
wait $alarmpid
if test "$sleeppid" != ""; then
--- End Message ---