sys/linux: improve recvmsg descriptions

8 files changed, 137 insertions, 35 deletions

diff --git a/sys/linux/gen/386.go b/sys/linux/gen/386.go
index 2675c8dce..7d3c754e8 100644
--- a/sys/linux/gen/386.go
+++ b/sys/linux/gen/386.go
@@ -9380,6 +9380,15 @@ var structDescs_386 = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "ctrllen", TypeSize: 4}}, BitSize: 8, Buf: "ctrl"},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "send_flags", FldName: "f", TypeSize: 4}}, Vals: []uint64{2048, 4, 64, 128, 32768, 16384, 1, 16, 262144, 536870912, 67108864}, BitMask: true},
 	}}},
+	{Key: StructKey{Name: "msghdr_netrom", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "msghdr_netrom", TypeSize: 28, ArgDir: 2}, Fields: []Type{
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "addr", TypeSize: 4}, Type: &UnionType{Key: StructKey{Name: "sockaddr_netrom"}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "addrlen", TypeSize: 4, ArgDir: 2}}, Buf: "addr"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "vec", TypeSize: 4}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "iovec[in, array[int8]]"}}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "vlen", TypeSize: 4, ArgDir: 2}}, Buf: "vec"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "ctrl", TypeSize: 4, IsOptional: true}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "cmsghdr"}}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "ctrllen", TypeSize: 4, ArgDir: 2}}, BitSize: 8, Buf: "ctrl"},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "send_flags", FldName: "f", TypeSize: 4, ArgDir: 2}}, Vals: []uint64{2048, 4, 64, 128, 32768, 16384, 1, 16, 262144, 536870912, 67108864}, BitMask: true},
+	}}},
 	{Key: StructKey{Name: "msghdr_nl_netfilter"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "msghdr_nl_netfilter", TypeSize: 28}, Fields: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "addr", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "sockaddr_nl_t[AF_NETLINK, const[0, int32], flags[netlink_group_bitmap, int32]]"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "addrlen", TypeSize: 4}}, Buf: "addr"},
@@ -16045,7 +16054,16 @@ var structDescs_386 = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_iovlen", TypeSize: 4}}, Buf: "msg_iov"},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_control", TypeSize: 4, IsOptional: true}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "msg_controllen", TypeSize: 4}}, BitSize: 8, Buf: "msg_control"},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "msg_flags", TypeSize: 4}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "msg_flags", TypeSize: 4}}},
+	}}},
+	{Key: StructKey{Name: "recv_msghdr", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "recv_msghdr", TypeSize: 28, ArgDir: 2}, Fields: []Type{
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_name", TypeSize: 4, IsOptional: true}, Type: &UnionType{Key: StructKey{Name: "sockaddr_storage", Dir: 1}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_namelen", TypeSize: 4, ArgDir: 2}}, Buf: "msg_name"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_iov", TypeSize: 4}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "iovec[out, array[int8]]"}}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_iovlen", TypeSize: 4, ArgDir: 2}}, Buf: "msg_iov"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_control", TypeSize: 4, IsOptional: true}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "msg_controllen", TypeSize: 4, ArgDir: 2}}, BitSize: 8, Buf: "msg_control"},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "msg_flags", TypeSize: 4, ArgDir: 2}}},
 	}}},
 	{Key: StructKey{Name: "reiserfs_options"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "reiserfs_options", IsVarlen: true}, Fields: []Type{
 		&BufferType{TypeCommon: TypeCommon{TypeName: "stringnoz", FldName: "tails_on", TypeSize: 8}, Kind: 2, Values: []string{"tails=on"}, NoZ: true},
@@ -16896,7 +16914,7 @@ var structDescs_386 = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_iovlen", TypeSize: 4}}, Buf: "msg_iov"},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_control", TypeSize: 4, IsOptional: true}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "cmsghdr"}}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "msg_controllen", TypeSize: 4}}, BitSize: 8, Buf: "msg_control"},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "send_flags", FldName: "msg_flags", TypeSize: 4}}, Vals: []uint64{2048, 4, 64, 128, 32768, 16384, 1, 16, 262144, 536870912, 67108864}, BitMask: true},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "msg_flags", TypeSize: 4}}},
 	}}},
 	{Key: StructKey{Name: "send_msghdr_key"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "send_msghdr_key", TypeSize: 28}, Fields: []Type{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "msg_name", TypeSize: 4}}},
@@ -31313,17 +31331,17 @@ var syscalls_386 = []*Syscall{
 	}},
 	{NR: 372, Name: "recvmsg", CallName: "recvmsg", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "recv_msghdr"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "recv_msghdr", Dir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "recv_flags", FldName: "f", TypeSize: 4}}, Vals: []uint64{1073741824, 64, 8192, 1, 2, 32, 256, 65536}, BitMask: true},
 	}},
 	{NR: 372, Name: "recvmsg$kcm", CallName: "recvmsg", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_kcm", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "recv_msghdr"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "recv_msghdr", Dir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "recv_flags", FldName: "f", TypeSize: 4}}, Vals: []uint64{1073741824, 64, 8192, 1, 2, 32, 256, 65536}, BitMask: true},
 	}},
 	{NR: 372, Name: "recvmsg$netrom", CallName: "recvmsg", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_netrom", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "msghdr_netrom"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "msghdr_netrom", Dir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "recv_flags", FldName: "f", TypeSize: 4}}, Vals: []uint64{1073741824, 64, 8192, 1, 2, 32, 256, 65536}, BitMask: true},
 	}},
 	{NR: 257, Name: "remap_file_pages", CallName: "remap_file_pages", Args: []Type{
@@ -42018,4 +42036,4 @@ var consts_386 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_386 = "6d227a9a03ecce9745700ad98d62ffd93d80932d"
+const revision_386 = "e3d1326dc7acd928c5f8127606814f4d7f650211"
diff --git a/sys/linux/gen/amd64.go b/sys/linux/gen/amd64.go
index bfa3cd128..da43f0d79 100644
--- a/sys/linux/gen/amd64.go
+++ b/sys/linux/gen/amd64.go
@@ -9589,6 +9589,17 @@ var structDescs_amd64 = []*KeyedStruct{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "send_flags", FldName: "f", TypeSize: 4}}, Vals: []uint64{2048, 4, 64, 128, 32768, 16384, 1, 16, 262144, 536870912, 67108864}, BitMask: true},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
 	}}},
+	{Key: StructKey{Name: "msghdr_netrom", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "msghdr_netrom", TypeSize: 56, ArgDir: 2}, Fields: []Type{
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "addr", TypeSize: 8}, Type: &UnionType{Key: StructKey{Name: "sockaddr_netrom"}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "addrlen", TypeSize: 4, ArgDir: 2}}, Buf: "addr"},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "vec", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "iovec[in, array[int8]]"}}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "vlen", TypeSize: 8, ArgDir: 2}}, Buf: "vec"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "ctrl", TypeSize: 8, IsOptional: true}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "cmsghdr"}}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "ctrllen", TypeSize: 8, ArgDir: 2}}, BitSize: 8, Buf: "ctrl"},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "send_flags", FldName: "f", TypeSize: 4, ArgDir: 2}}, Vals: []uint64{2048, 4, 64, 128, 32768, 16384, 1, 16, 262144, 536870912, 67108864}, BitMask: true},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
+	}}},
 	{Key: StructKey{Name: "msghdr_nl_netfilter"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "msghdr_nl_netfilter", TypeSize: 56}, Fields: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "addr", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "sockaddr_nl_t[AF_NETLINK, const[0, int32], flags[netlink_group_bitmap, int32]]"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "addrlen", TypeSize: 4}}, Buf: "addr"},
@@ -16279,7 +16290,18 @@ var structDescs_amd64 = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_iovlen", TypeSize: 8}}, Buf: "msg_iov"},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_control", TypeSize: 8, IsOptional: true}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "msg_controllen", TypeSize: 8}}, BitSize: 8, Buf: "msg_control"},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "msg_flags", TypeSize: 4}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "msg_flags", TypeSize: 4}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
+	}}},
+	{Key: StructKey{Name: "recv_msghdr", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "recv_msghdr", TypeSize: 56, ArgDir: 2}, Fields: []Type{
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_name", TypeSize: 8, IsOptional: true}, Type: &UnionType{Key: StructKey{Name: "sockaddr_storage", Dir: 1}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_namelen", TypeSize: 4, ArgDir: 2}}, Buf: "msg_name"},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_iov", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "iovec[out, array[int8]]"}}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_iovlen", TypeSize: 8, ArgDir: 2}}, Buf: "msg_iov"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_control", TypeSize: 8, IsOptional: true}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "msg_controllen", TypeSize: 8, ArgDir: 2}}, BitSize: 8, Buf: "msg_control"},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "msg_flags", TypeSize: 4, ArgDir: 2}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
 	}}},
 	{Key: StructKey{Name: "reiserfs_options"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "reiserfs_options", IsVarlen: true}, Fields: []Type{
@@ -17149,7 +17171,7 @@ var structDescs_amd64 = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_iovlen", TypeSize: 8}}, Buf: "msg_iov"},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_control", TypeSize: 8, IsOptional: true}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "cmsghdr"}}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "msg_controllen", TypeSize: 8}}, BitSize: 8, Buf: "msg_control"},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "send_flags", FldName: "msg_flags", TypeSize: 4}}, Vals: []uint64{2048, 4, 64, 128, 32768, 16384, 1, 16, 262144, 536870912, 67108864}, BitMask: true},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "msg_flags", TypeSize: 4}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
 	}}},
 	{Key: StructKey{Name: "send_msghdr_key"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "send_msghdr_key", TypeSize: 56}, Fields: []Type{
@@ -31841,17 +31863,17 @@ var syscalls_amd64 = []*Syscall{
 	}},
 	{NR: 47, Name: "recvmsg", CallName: "recvmsg", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "recv_msghdr"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "recv_msghdr", Dir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "recv_flags", FldName: "f", TypeSize: 8}}, Vals: []uint64{1073741824, 64, 8192, 1, 2, 32, 256, 65536}, BitMask: true},
 	}},
 	{NR: 47, Name: "recvmsg$kcm", CallName: "recvmsg", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_kcm", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "recv_msghdr"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "recv_msghdr", Dir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "recv_flags", FldName: "f", TypeSize: 8}}, Vals: []uint64{1073741824, 64, 8192, 1, 2, 32, 256, 65536}, BitMask: true},
 	}},
 	{NR: 47, Name: "recvmsg$netrom", CallName: "recvmsg", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_netrom", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "msghdr_netrom"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "msghdr_netrom", Dir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "recv_flags", FldName: "f", TypeSize: 8}}, Vals: []uint64{1073741824, 64, 8192, 1, 2, 32, 256, 65536}, BitMask: true},
 	}},
 	{NR: 216, Name: "remap_file_pages", CallName: "remap_file_pages", Args: []Type{
@@ -42720,4 +42742,4 @@ var consts_amd64 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_amd64 = "a3b0db78f1d13350633d25563406d7e4200bcdcd"
+const revision_amd64 = "cac77b41f3efd2cec17bbf4905a49f3a1954c3b2"
diff --git a/sys/linux/gen/arm.go b/sys/linux/gen/arm.go
index 3db64f68f..b3d40a9e7 100644
--- a/sys/linux/gen/arm.go
+++ b/sys/linux/gen/arm.go
@@ -9222,6 +9222,15 @@ var structDescs_arm = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "ctrllen", TypeSize: 4}}, BitSize: 8, Buf: "ctrl"},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "send_flags", FldName: "f", TypeSize: 4}}, Vals: []uint64{2048, 4, 64, 128, 32768, 16384, 1, 16, 262144, 536870912, 67108864}, BitMask: true},
 	}}},
+	{Key: StructKey{Name: "msghdr_netrom", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "msghdr_netrom", TypeSize: 28, ArgDir: 2}, Fields: []Type{
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "addr", TypeSize: 4}, Type: &UnionType{Key: StructKey{Name: "sockaddr_netrom"}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "addrlen", TypeSize: 4, ArgDir: 2}}, Buf: "addr"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "vec", TypeSize: 4}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "iovec[in, array[int8]]"}}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "vlen", TypeSize: 4, ArgDir: 2}}, Buf: "vec"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "ctrl", TypeSize: 4, IsOptional: true}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "cmsghdr"}}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "ctrllen", TypeSize: 4, ArgDir: 2}}, BitSize: 8, Buf: "ctrl"},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "send_flags", FldName: "f", TypeSize: 4, ArgDir: 2}}, Vals: []uint64{2048, 4, 64, 128, 32768, 16384, 1, 16, 262144, 536870912, 67108864}, BitMask: true},
+	}}},
 	{Key: StructKey{Name: "msghdr_nl_netfilter"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "msghdr_nl_netfilter", TypeSize: 28}, Fields: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "addr", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "sockaddr_nl_t[AF_NETLINK, const[0, int32], flags[netlink_group_bitmap, int32]]"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "addrlen", TypeSize: 4}}, Buf: "addr"},
@@ -15900,7 +15909,16 @@ var structDescs_arm = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_iovlen", TypeSize: 4}}, Buf: "msg_iov"},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_control", TypeSize: 4, IsOptional: true}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "msg_controllen", TypeSize: 4}}, BitSize: 8, Buf: "msg_control"},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "msg_flags", TypeSize: 4}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "msg_flags", TypeSize: 4}}},
+	}}},
+	{Key: StructKey{Name: "recv_msghdr", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "recv_msghdr", TypeSize: 28, ArgDir: 2}, Fields: []Type{
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_name", TypeSize: 4, IsOptional: true}, Type: &UnionType{Key: StructKey{Name: "sockaddr_storage", Dir: 1}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_namelen", TypeSize: 4, ArgDir: 2}}, Buf: "msg_name"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_iov", TypeSize: 4}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "iovec[out, array[int8]]"}}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_iovlen", TypeSize: 4, ArgDir: 2}}, Buf: "msg_iov"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_control", TypeSize: 4, IsOptional: true}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "msg_controllen", TypeSize: 4, ArgDir: 2}}, BitSize: 8, Buf: "msg_control"},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "msg_flags", TypeSize: 4, ArgDir: 2}}},
 	}}},
 	{Key: StructKey{Name: "reiserfs_options"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "reiserfs_options", IsVarlen: true}, Fields: []Type{
 		&BufferType{TypeCommon: TypeCommon{TypeName: "stringnoz", FldName: "tails_on", TypeSize: 8}, Kind: 2, Values: []string{"tails=on"}, NoZ: true},
@@ -16764,7 +16782,7 @@ var structDescs_arm = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_iovlen", TypeSize: 4}}, Buf: "msg_iov"},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_control", TypeSize: 4, IsOptional: true}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "cmsghdr"}}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "msg_controllen", TypeSize: 4}}, BitSize: 8, Buf: "msg_control"},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "send_flags", FldName: "msg_flags", TypeSize: 4}}, Vals: []uint64{2048, 4, 64, 128, 32768, 16384, 1, 16, 262144, 536870912, 67108864}, BitMask: true},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "msg_flags", TypeSize: 4}}},
 	}}},
 	{Key: StructKey{Name: "send_msghdr_key"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "send_msghdr_key", TypeSize: 28}, Fields: []Type{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "msg_name", TypeSize: 4}}},
@@ -31082,17 +31100,17 @@ var syscalls_arm = []*Syscall{
 	}},
 	{NR: 297, Name: "recvmsg", CallName: "recvmsg", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "recv_msghdr"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "recv_msghdr", Dir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "recv_flags", FldName: "f", TypeSize: 4}}, Vals: []uint64{1073741824, 64, 8192, 1, 2, 32, 256, 65536}, BitMask: true},
 	}},
 	{NR: 297, Name: "recvmsg$kcm", CallName: "recvmsg", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_kcm", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "recv_msghdr"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "recv_msghdr", Dir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "recv_flags", FldName: "f", TypeSize: 4}}, Vals: []uint64{1073741824, 64, 8192, 1, 2, 32, 256, 65536}, BitMask: true},
 	}},
 	{NR: 297, Name: "recvmsg$netrom", CallName: "recvmsg", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_netrom", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "msghdr_netrom"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 4}, Type: &StructType{Key: StructKey{Name: "msghdr_netrom", Dir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "recv_flags", FldName: "f", TypeSize: 4}}, Vals: []uint64{1073741824, 64, 8192, 1, 2, 32, 256, 65536}, BitMask: true},
 	}},
 	{NR: 253, Name: "remap_file_pages", CallName: "remap_file_pages", Args: []Type{
@@ -41857,4 +41875,4 @@ var consts_arm = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_arm = "4ddbdf777a179a83f94f1fd6dfef1c5fe3aaade9"
+const revision_arm = "8aca29b16933f7a1580b78382627a56fcf2580ec"
diff --git a/sys/linux/gen/arm64.go b/sys/linux/gen/arm64.go
index 25731db1a..3227db269 100644
--- a/sys/linux/gen/arm64.go
+++ b/sys/linux/gen/arm64.go
@@ -9406,6 +9406,17 @@ var structDescs_arm64 = []*KeyedStruct{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "send_flags", FldName: "f", TypeSize: 4}}, Vals: []uint64{2048, 4, 64, 128, 32768, 16384, 1, 16, 262144, 536870912, 67108864}, BitMask: true},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
 	}}},
+	{Key: StructKey{Name: "msghdr_netrom", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "msghdr_netrom", TypeSize: 56, ArgDir: 2}, Fields: []Type{
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "addr", TypeSize: 8}, Type: &UnionType{Key: StructKey{Name: "sockaddr_netrom"}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "addrlen", TypeSize: 4, ArgDir: 2}}, Buf: "addr"},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "vec", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "iovec[in, array[int8]]"}}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "vlen", TypeSize: 8, ArgDir: 2}}, Buf: "vec"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "ctrl", TypeSize: 8, IsOptional: true}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "cmsghdr"}}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "ctrllen", TypeSize: 8, ArgDir: 2}}, BitSize: 8, Buf: "ctrl"},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "send_flags", FldName: "f", TypeSize: 4, ArgDir: 2}}, Vals: []uint64{2048, 4, 64, 128, 32768, 16384, 1, 16, 262144, 536870912, 67108864}, BitMask: true},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
+	}}},
 	{Key: StructKey{Name: "msghdr_nl_netfilter"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "msghdr_nl_netfilter", TypeSize: 56}, Fields: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "addr", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "sockaddr_nl_t[AF_NETLINK, const[0, int32], flags[netlink_group_bitmap, int32]]"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "addrlen", TypeSize: 4}}, Buf: "addr"},
@@ -16096,7 +16107,18 @@ var structDescs_arm64 = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_iovlen", TypeSize: 8}}, Buf: "msg_iov"},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_control", TypeSize: 8, IsOptional: true}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "msg_controllen", TypeSize: 8}}, BitSize: 8, Buf: "msg_control"},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "msg_flags", TypeSize: 4}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "msg_flags", TypeSize: 4}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
+	}}},
+	{Key: StructKey{Name: "recv_msghdr", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "recv_msghdr", TypeSize: 56, ArgDir: 2}, Fields: []Type{
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_name", TypeSize: 8, IsOptional: true}, Type: &UnionType{Key: StructKey{Name: "sockaddr_storage", Dir: 1}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_namelen", TypeSize: 4, ArgDir: 2}}, Buf: "msg_name"},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_iov", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "iovec[out, array[int8]]"}}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_iovlen", TypeSize: 8, ArgDir: 2}}, Buf: "msg_iov"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_control", TypeSize: 8, IsOptional: true}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "msg_controllen", TypeSize: 8, ArgDir: 2}}, BitSize: 8, Buf: "msg_control"},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "msg_flags", TypeSize: 4, ArgDir: 2}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
 	}}},
 	{Key: StructKey{Name: "reiserfs_options"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "reiserfs_options", IsVarlen: true}, Fields: []Type{
@@ -16966,7 +16988,7 @@ var structDescs_arm64 = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_iovlen", TypeSize: 8}}, Buf: "msg_iov"},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_control", TypeSize: 8, IsOptional: true}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "cmsghdr"}}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "msg_controllen", TypeSize: 8}}, BitSize: 8, Buf: "msg_control"},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "send_flags", FldName: "msg_flags", TypeSize: 4}}, Vals: []uint64{2048, 4, 64, 128, 32768, 16384, 1, 16, 262144, 536870912, 67108864}, BitMask: true},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "msg_flags", TypeSize: 4}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
 	}}},
 	{Key: StructKey{Name: "send_msghdr_key"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "send_msghdr_key", TypeSize: 56}, Fields: []Type{
@@ -31359,17 +31381,17 @@ var syscalls_arm64 = []*Syscall{
 	}},
 	{NR: 212, Name: "recvmsg", CallName: "recvmsg", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "recv_msghdr"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "recv_msghdr", Dir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "recv_flags", FldName: "f", TypeSize: 8}}, Vals: []uint64{1073741824, 64, 8192, 1, 2, 32, 256, 65536}, BitMask: true},
 	}},
 	{NR: 212, Name: "recvmsg$kcm", CallName: "recvmsg", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_kcm", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "recv_msghdr"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "recv_msghdr", Dir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "recv_flags", FldName: "f", TypeSize: 8}}, Vals: []uint64{1073741824, 64, 8192, 1, 2, 32, 256, 65536}, BitMask: true},
 	}},
 	{NR: 212, Name: "recvmsg$netrom", CallName: "recvmsg", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_netrom", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "msghdr_netrom"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "msghdr_netrom", Dir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "recv_flags", FldName: "f", TypeSize: 8}}, Vals: []uint64{1073741824, 64, 8192, 1, 2, 32, 256, 65536}, BitMask: true},
 	}},
 	{NR: 234, Name: "remap_file_pages", CallName: "remap_file_pages", Args: []Type{
@@ -42078,4 +42100,4 @@ var consts_arm64 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_arm64 = "17b0faaa313b3bfe3fc9a522feaac6b533aab607"
+const revision_arm64 = "52914b8833c61ec7a5f1d22fd2cc51c8d2af40e8"
diff --git a/sys/linux/gen/ppc64le.go b/sys/linux/gen/ppc64le.go
index ec0402d70..b903f0ef9 100644
--- a/sys/linux/gen/ppc64le.go
+++ b/sys/linux/gen/ppc64le.go
@@ -9329,6 +9329,17 @@ var structDescs_ppc64le = []*KeyedStruct{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "send_flags", FldName: "f", TypeSize: 4}}, Vals: []uint64{2048, 4, 64, 128, 32768, 16384, 1, 16, 262144, 536870912, 67108864}, BitMask: true},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
 	}}},
+	{Key: StructKey{Name: "msghdr_netrom", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "msghdr_netrom", TypeSize: 56, ArgDir: 2}, Fields: []Type{
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "addr", TypeSize: 8}, Type: &UnionType{Key: StructKey{Name: "sockaddr_netrom"}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "addrlen", TypeSize: 4, ArgDir: 2}}, Buf: "addr"},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "vec", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "iovec[in, array[int8]]"}}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "vlen", TypeSize: 8, ArgDir: 2}}, Buf: "vec"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "ctrl", TypeSize: 8, IsOptional: true}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "cmsghdr"}}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "ctrllen", TypeSize: 8, ArgDir: 2}}, BitSize: 8, Buf: "ctrl"},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "send_flags", FldName: "f", TypeSize: 4, ArgDir: 2}}, Vals: []uint64{2048, 4, 64, 128, 32768, 16384, 1, 16, 262144, 536870912, 67108864}, BitMask: true},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
+	}}},
 	{Key: StructKey{Name: "msghdr_nl_netfilter"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "msghdr_nl_netfilter", TypeSize: 56}, Fields: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "addr", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "sockaddr_nl_t[AF_NETLINK, const[0, int32], flags[netlink_group_bitmap, int32]]"}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "addrlen", TypeSize: 4}}, Buf: "addr"},
@@ -16006,7 +16017,18 @@ var structDescs_ppc64le = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_iovlen", TypeSize: 8}}, Buf: "msg_iov"},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_control", TypeSize: 8, IsOptional: true}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "msg_controllen", TypeSize: 8}}, BitSize: 8, Buf: "msg_control"},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "msg_flags", TypeSize: 4}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "msg_flags", TypeSize: 4}}},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
+	}}},
+	{Key: StructKey{Name: "recv_msghdr", Dir: 2}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "recv_msghdr", TypeSize: 56, ArgDir: 2}, Fields: []Type{
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_name", TypeSize: 8, IsOptional: true}, Type: &UnionType{Key: StructKey{Name: "sockaddr_storage", Dir: 1}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_namelen", TypeSize: 4, ArgDir: 2}}, Buf: "msg_name"},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_iov", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "iovec[out, array[int8]]"}}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_iovlen", TypeSize: 8, ArgDir: 2}}, Buf: "msg_iov"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_control", TypeSize: 8, IsOptional: true}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 1, IsVarlen: true}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "msg_controllen", TypeSize: 8, ArgDir: 2}}, BitSize: 8, Buf: "msg_control"},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "msg_flags", TypeSize: 4, ArgDir: 2}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
 	}}},
 	{Key: StructKey{Name: "reiserfs_options"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "reiserfs_options", IsVarlen: true}, Fields: []Type{
@@ -16863,7 +16885,7 @@ var structDescs_ppc64le = []*KeyedStruct{
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_iovlen", TypeSize: 8}}, Buf: "msg_iov"},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg_control", TypeSize: 8, IsOptional: true}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &StructType{Key: StructKey{Name: "cmsghdr"}}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "msg_controllen", TypeSize: 8}}, BitSize: 8, Buf: "msg_control"},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "send_flags", FldName: "msg_flags", TypeSize: 4}}, Vals: []uint64{2048, 4, 64, 128, 32768, 16384, 1, 16, 262144, 536870912, 67108864}, BitMask: true},
+		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "msg_flags", TypeSize: 4}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
 	}}},
 	{Key: StructKey{Name: "send_msghdr_key"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "send_msghdr_key", TypeSize: 56}, Fields: []Type{
@@ -29855,17 +29877,17 @@ var syscalls_ppc64le = []*Syscall{
 	}},
 	{NR: 342, Name: "recvmsg", CallName: "recvmsg", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "recv_msghdr"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "recv_msghdr", Dir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "recv_flags", FldName: "f", TypeSize: 8}}, Vals: []uint64{1073741824, 64, 8192, 1, 2, 32, 256, 65536}, BitMask: true},
 	}},
 	{NR: 342, Name: "recvmsg$kcm", CallName: "recvmsg", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_kcm", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "recv_msghdr"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "recv_msghdr", Dir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "recv_flags", FldName: "f", TypeSize: 8}}, Vals: []uint64{1073741824, 64, 8192, 1, 2, 32, 256, 65536}, BitMask: true},
 	}},
 	{NR: 342, Name: "recvmsg$netrom", CallName: "recvmsg", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock_netrom", FldName: "fd", TypeSize: 4}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "msghdr_netrom"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "msg", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "msghdr_netrom", Dir: 2}}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "recv_flags", FldName: "f", TypeSize: 8}}, Vals: []uint64{1073741824, 64, 8192, 1, 2, 32, 256, 65536}, BitMask: true},
 	}},
 	{NR: 239, Name: "remap_file_pages", CallName: "remap_file_pages", Args: []Type{
@@ -39436,4 +39458,4 @@ var consts_ppc64le = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_ppc64le = "e62e590013fe97eeb28934d4e2eb3dd5ff98166d"
+const revision_ppc64le = "1332b67362ce758fb5a9b10c586379e1a0a71665"
diff --git a/sys/linux/socket.txt b/sys/linux/socket.txt
index 0bfa782b6..14f723608 100644
--- a/sys/linux/socket.txt
+++ b/sys/linux/socket.txt
@@ -30,7 +30,7 @@ getpeername(fd sock, peer ptr[out, sockaddr_storage], peerlen ptr[inout, len[pee
 
 sendmsg(fd sock, msg ptr[in, send_msghdr], f flags[send_flags])
 sendmmsg(fd sock, mmsg ptr[in, array[send_mmsghdr]], vlen len[mmsg], f flags[send_flags])
-recvmsg(fd sock, msg ptr[in, recv_msghdr], f flags[recv_flags])
+recvmsg(fd sock, msg ptr[inout, recv_msghdr], f flags[recv_flags])
 recvmmsg(fd sock, mmsg ptr[in, array[recv_mmsghdr]], vlen len[mmsg], f flags[recv_flags], timeout ptr[in, timespec, opt])
 
 listen(fd sock, backlog int32)
@@ -119,7 +119,7 @@ send_msghdr {
 	msg_iovlen	len[msg_iov, intptr]
 	msg_control	ptr[in, array[cmsghdr], opt]
 	msg_controllen	bytesize[msg_control, intptr]
-	msg_flags	flags[send_flags, int32]
+	msg_flags	const[0, int32]
 }
 
 send_mmsghdr {
@@ -134,7 +134,7 @@ recv_msghdr {
 	msg_iovlen	len[msg_iov, intptr]
 	msg_control	ptr[out, array[int8], opt]
 	msg_controllen	bytesize[msg_control, intptr]
-	msg_flags	int32
+	msg_flags	const[0, int32]
 }
 
 recv_mmsghdr {
diff --git a/sys/linux/socket_kcm.txt b/sys/linux/socket_kcm.txt
index 83cd2fb95..9b553fd49 100755
--- a/sys/linux/socket_kcm.txt
+++ b/sys/linux/socket_kcm.txt
@@ -11,7 +11,7 @@ socket$kcm(domain const[AF_KCM], type flags[kcm_socket_type], proto const[KCMPRO
 setsockopt$kcm_KCM_RECV_DISABLE(fd sock_kcm, level const[SOL_KCM], opt const[KCM_RECV_DISABLE], val ptr[in, int32], len len[val])
 getsockopt$kcm_KCM_RECV_DISABLE(fd sock_kcm, level const[SOL_KCM], opt const[KCM_RECV_DISABLE], val ptr[out, int32], len len[val])
 sendmsg$kcm(fd sock_kcm, msg ptr[in, send_msghdr], f flags[send_flags])
-recvmsg$kcm(fd sock_kcm, msg ptr[in, recv_msghdr], f flags[recv_flags])
+recvmsg$kcm(fd sock_kcm, msg ptr[inout, recv_msghdr], f flags[recv_flags])
 
 ioctl$sock_kcm_SIOCKCMATTACH(fd sock_kcm, cmd const[SIOCKCMATTACH], arg ptr[in, kcm_attach])
 ioctl$sock_kcm_SIOCKCMUNATTACH(fd sock_kcm, cmd const[SIOCKCMUNATTACH], arg ptr[in, kcm_unattach])
diff --git a/sys/linux/socket_netrom.txt b/sys/linux/socket_netrom.txt
index 57491e044..39897460c 100755
--- a/sys/linux/socket_netrom.txt
+++ b/sys/linux/socket_netrom.txt
@@ -14,7 +14,7 @@ accept$netrom(fd sock_netrom, peer ptr[out, sockaddr_netrom, opt], peerlen ptr[i
 accept4$netrom(fd sock_netrom, peer ptr[out, sockaddr_netrom, opt], peerlen ptr[inout, len[peer, int32]], flags flags[accept_flags]) sock_netrom
 listen$netrom(fd sock_netrom, backlog int32)
 sendmsg$netrom(fd sock_netrom, msg ptr[in, msghdr_netrom], f flags[send_flags])
-recvmsg$netrom(fd sock_netrom, msg ptr[in, msghdr_netrom], f flags[recv_flags])
+recvmsg$netrom(fd sock_netrom, msg ptr[inout, msghdr_netrom], f flags[recv_flags])
 getsockname$netrom(fd sock_netrom, addr ptr[out, sockaddr_netrom], addrlen ptr[inout, len[addr, int32]])
 getpeername$netrom(fd sock_netrom, peer ptr[out, sockaddr_netrom], peerlen ptr[inout, len[peer, int32]])