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{
    "id": 816388,
    "url": "http://patchwork.ozlabs.org/api/patches/816388/?format=api",
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    "project": {
        "id": 17,
        "url": "http://patchwork.ozlabs.org/api/projects/17/?format=api",
        "name": "GNU Compiler Collection",
        "link_name": "gcc",
        "list_id": "gcc-patches.gcc.gnu.org",
        "list_email": "gcc-patches@gcc.gnu.org",
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    "msgid": "<CAOyqgcV0k=y2N2f-6Oc2nR24iqF1F09fDkWf3pSbw0qYozsKNA@mail.gmail.com>",
    "list_archive_url": null,
    "date": "2017-09-20T17:40:29",
    "name": "libgo patch committed: Work around AIX getsockname bug",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "a438b09610b0cc20f38cbd78f65fae6e53e69e33",
    "submitter": {
        "id": 36501,
        "url": "http://patchwork.ozlabs.org/api/people/36501/?format=api",
        "name": "Ian Lance Taylor",
        "email": "iant@golang.org"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/CAOyqgcV0k=y2N2f-6Oc2nR24iqF1F09fDkWf3pSbw0qYozsKNA@mail.gmail.com/mbox/",
    "series": [
        {
            "id": 4187,
            "url": "http://patchwork.ozlabs.org/api/series/4187/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=4187",
            "date": "2017-09-20T17:40:29",
            "name": "libgo patch committed: Work around AIX getsockname bug",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/4187/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/816388/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/816388/checks/",
    "tags": {},
    "related": [],
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        "MIME-Version": "1.0",
        "From": "Ian Lance Taylor <iant@golang.org>",
        "Date": "Wed, 20 Sep 2017 10:40:29 -0700",
        "Message-ID": "<CAOyqgcV0k=y2N2f-6Oc2nR24iqF1F09fDkWf3pSbw0qYozsKNA@mail.gmail.com>",
        "Subject": "libgo patch committed: Work around AIX getsockname bug",
        "To": "gcc-patches <gcc-patches@gcc.gnu.org>,\n\t\"gofrontend-dev@googlegroups.com\" <gofrontend-dev@googlegroups.com>",
        "Content-Type": "multipart/mixed; boundary=\"001a1134e188d64a9f0559a2784b\""
    },
    "content": "This patch from Tony Reix works around a bug in getsockname on AIX.\nBootstrapped on x86_64-pc-linux-gnu.  Committed to mainline.\n\nThis actually includes part of the previous patch, as I forgot to run `svn add`.\n\nIan",
    "diff": "Index: gcc/go/gofrontend/MERGE\n===================================================================\n--- gcc/go/gofrontend/MERGE\t(revision 253016)\n+++ gcc/go/gofrontend/MERGE\t(working copy)\n@@ -1,4 +1,4 @@\n-90fe3da36d904b62d47c00ee40eef4fd2693a5da\n+84f827669dc76326ed99ebcc982c482aa148d8d8\n \n The first line of this file holds the git revision number of the last\n merge done from the gofrontend repository.\nIndex: libgo/go/syscall/socket_aix.go\n===================================================================\n--- libgo/go/syscall/socket_aix.go\t(revision 0)\n+++ libgo/go/syscall/socket_aix.go\t(working copy)\n@@ -0,0 +1,89 @@\n+// socket_aix.go -- Socket handling specific to AIX.\n+\n+// Copyright 2017 The Go Authors. All rights reserved.\n+// Use of this source code is governed by a BSD-style\n+// license that can be found in the LICENSE file.\n+\n+package syscall\n+\n+import \"unsafe\"\n+\n+const SizeofSockaddrInet4 = 16\n+const SizeofSockaddrInet6 = 28\n+const SizeofSockaddrUnix = 1025\n+\n+type RawSockaddrInet4 struct {\n+\tLen    uint8\n+\tFamily uint8\n+\tPort   uint16\n+\tAddr   [4]byte /* in_addr */\n+\tZero   [8]uint8\n+}\n+\n+func (sa *RawSockaddrInet4) setLen() Socklen_t {\n+\tsa.Len = SizeofSockaddrInet4\n+\treturn SizeofSockaddrInet4\n+}\n+\n+type RawSockaddrInet6 struct {\n+\tLen      uint8\n+\tFamily   uint8\n+\tPort     uint16\n+\tFlowinfo uint32\n+\tAddr     [16]byte /* in6_addr */\n+\tScope_id uint32\n+}\n+\n+func (sa *RawSockaddrInet6) setLen() Socklen_t {\n+\tsa.Len = SizeofSockaddrInet6\n+\treturn SizeofSockaddrInet6\n+}\n+\n+type RawSockaddrUnix struct {\n+\tLen    uint8\n+\tFamily uint8\n+\tPath   [1023]int8\n+}\n+\n+func (sa *RawSockaddrUnix) setLen(n int) {\n+\tsa.Len = uint8(3 + n) // 2 for Family, Len; 1 for NUL.\n+}\n+\n+func (sa *RawSockaddrUnix) getLen() (int, error) {\n+\t// Some versions of AIX have a bug in getsockname (see IV78655).\n+\t// We can't rely on sa.Len being set correctly.\n+\tn := SizeofSockaddrUnix - 3 // substract leading Family, Len, terminating NUL.\n+\tfor i := 0; i < n; i++ {\n+\t\tif sa.Path[i] == 0 {\n+\t\t\tn = i\n+\t\t\tbreak\n+\t\t}\n+\t}\n+\treturn n, nil\n+}\n+\n+func (sa *RawSockaddrUnix) adjustAbstract(sl Socklen_t) Socklen_t {\n+\treturn sl\n+}\n+\n+type RawSockaddr struct {\n+\tLen    uint8\n+\tFamily uint8\n+\tData   [14]int8\n+}\n+\n+// BindToDevice binds the socket associated with fd to device.\n+func BindToDevice(fd int, device string) (err error) {\n+\treturn ENOSYS\n+}\n+\n+func anyToSockaddrOS(rsa *RawSockaddrAny) (Sockaddr, error) {\n+\treturn nil, EAFNOSUPPORT\n+}\n+\n+func GetsockoptIPv6MTUInfo(fd, level, opt int) (*IPv6MTUInfo, error) {\n+\tvar value IPv6MTUInfo\n+\tvallen := Socklen_t(SizeofIPv6MTUInfo)\n+\terr := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)\n+\treturn &value, err\n+}\nIndex: libgo/go/syscall/socket_bsd.go\n===================================================================\n--- libgo/go/syscall/socket_bsd.go\t(revision 251948)\n+++ libgo/go/syscall/socket_bsd.go\t(working copy)\n@@ -4,7 +4,7 @@\n // Use of this source code is governed by a BSD-style\n // license that can be found in the LICENSE file.\n \n-// +build aix darwin dragonfly freebsd openbsd netbsd\n+// +build darwin dragonfly freebsd openbsd netbsd\n \n package syscall\n \nIndex: libgo/go/syscall/syscall_aix_ppc.go\n===================================================================\n--- libgo/go/syscall/syscall_aix_ppc.go\t(revision 0)\n+++ libgo/go/syscall/syscall_aix_ppc.go\t(working copy)\n@@ -0,0 +1,49 @@\n+// syscall_aix_ppc.go -- AIX 32-bit specific support\n+\n+// Copyright 2017 The Go Authors. All rights reserved.\n+// Use of this source code is governed by a BSD-style\n+// license that can be found in the LICENSE file.\n+\n+package syscall\n+\n+import \"unsafe\"\n+\n+// AIX does not define a specific structure but instead uses separate\n+// ptrace calls for the different registers.\n+type PtraceRegs struct {\n+\tGpr [32]uint32\n+\tIar uint32\n+\tMsr uint32\n+\tCr  uint32\n+\tLr  uint32\n+\tCtr uint32\n+\tXer uint32\n+}\n+\n+func (r *PtraceRegs) PC() uint64 { return uint64(r.Iar) }\n+\n+func (r *PtraceRegs) SetPC(pc uint64) { r.Iar = uint32(pc) }\n+\n+func PtraceGetRegs(pid int, regsout *PtraceRegs) (err error) {\n+\tptrace(_PT_REGSET, pid, uintptr(unsafe.Pointer(&regsout.Gpr[0])), 0, 0)\n+\tregsout.Iar = uint32(ptrace(_PT_READ_GPR, pid, 128, 0, 0))\n+\tregsout.Msr = uint32(ptrace(_PT_READ_GPR, pid, 129, 0, 0))\n+\tregsout.Cr = uint32(ptrace(_PT_READ_GPR, pid, 130, 0, 0))\n+\tregsout.Lr = uint32(ptrace(_PT_READ_GPR, pid, 131, 0, 0))\n+\tregsout.Ctr = uint32(ptrace(_PT_READ_GPR, pid, 132, 0, 0))\n+\tregsout.Xer = uint32(ptrace(_PT_READ_GPR, pid, 133, 0, 0))\n+\treturn nil\n+}\n+\n+func PtraceSetRegs(pid int, regs *PtraceRegs) (err error) {\n+\tfor i := 0; i < len(regs.Gpr); i++ {\n+\t\tptrace(_PT_WRITE_GPR, pid, uintptr(i), int(regs.Gpr[i]), 0)\n+\t}\n+\tptrace(_PT_WRITE_GPR, pid, 128, int(regs.Iar), 0)\n+\tptrace(_PT_WRITE_GPR, pid, 129, int(regs.Msr), 0)\n+\tptrace(_PT_WRITE_GPR, pid, 130, int(regs.Cr), 0)\n+\tptrace(_PT_WRITE_GPR, pid, 131, int(regs.Lr), 0)\n+\tptrace(_PT_WRITE_GPR, pid, 132, int(regs.Ctr), 0)\n+\tptrace(_PT_WRITE_GPR, pid, 133, int(regs.Xer), 0)\n+\treturn nil\n+}\nIndex: libgo/go/syscall/syscall_aix_ppc64.go\n===================================================================\n--- libgo/go/syscall/syscall_aix_ppc64.go\t(revision 0)\n+++ libgo/go/syscall/syscall_aix_ppc64.go\t(working copy)\n@@ -0,0 +1,49 @@\n+// syscall_aix_ppc64.go -- AIX 64-bit specific support\n+\n+// Copyright 2017 The Go Authors. All rights reserved.\n+// Use of this source code is governed by a BSD-style\n+// license that can be found in the LICENSE file.\n+\n+package syscall\n+\n+import \"unsafe\"\n+\n+// AIX does not define a specific structure but instead uses separate\n+// ptrace calls for the different registers.\n+type PtraceRegs struct {\n+\tGpr [32]uint64\n+\tIar uint64\n+\tMsr uint64\n+\tCr  uint64\n+\tLr  uint64\n+\tCtr uint64\n+\tXer uint64\n+}\n+\n+func (r *PtraceRegs) PC() uint64 { return r.Iar }\n+\n+func (r *PtraceRegs) SetPC(pc uint64) { r.Iar = pc }\n+\n+func PtraceGetRegs(pid int, regsout *PtraceRegs) (err error) {\n+\tptrace64(_PT_REGSET, int64(pid), int64(uintptr(unsafe.Pointer(&regsout.Gpr[0]))), 0, 0)\n+\tptrace64(_PT_READ_GPR, int64(pid), 128, 0, uintptr(unsafe.Pointer(&regsout.Iar)))\n+\tptrace64(_PT_READ_GPR, int64(pid), 129, 0, uintptr(unsafe.Pointer(&regsout.Msr)))\n+\tptrace64(_PT_READ_GPR, int64(pid), 130, 0, uintptr(unsafe.Pointer(&regsout.Cr)))\n+\tptrace64(_PT_READ_GPR, int64(pid), 131, 0, uintptr(unsafe.Pointer(&regsout.Lr)))\n+\tptrace64(_PT_READ_GPR, int64(pid), 132, 0, uintptr(unsafe.Pointer(&regsout.Ctr)))\n+\tptrace64(_PT_READ_GPR, int64(pid), 133, 0, uintptr(unsafe.Pointer(&regsout.Xer)))\n+\treturn nil\n+}\n+\n+func PtraceSetRegs(pid int, regs *PtraceRegs) (err error) {\n+\tfor i := 0; i < len(regs.Gpr); i++ {\n+\t\tptrace64(_PT_WRITE_GPR, int64(pid), int64(i), 0, uintptr(unsafe.Pointer(&regs.Gpr[i])))\n+\t}\n+\tptrace64(_PT_WRITE_GPR, int64(pid), 128, 0, uintptr(unsafe.Pointer(&regs.Iar)))\n+\tptrace64(_PT_WRITE_GPR, int64(pid), 129, 0, uintptr(unsafe.Pointer(&regs.Msr)))\n+\tptrace64(_PT_WRITE_GPR, int64(pid), 130, 0, uintptr(unsafe.Pointer(&regs.Cr)))\n+\tptrace64(_PT_WRITE_GPR, int64(pid), 131, 0, uintptr(unsafe.Pointer(&regs.Lr)))\n+\tptrace64(_PT_WRITE_GPR, int64(pid), 132, 0, uintptr(unsafe.Pointer(&regs.Ctr)))\n+\tptrace64(_PT_WRITE_GPR, int64(pid), 133, 0, uintptr(unsafe.Pointer(&regs.Xer)))\n+\treturn nil\n+}\n",
    "prefixes": []
}