sys/netbsd: improve recvmsg() description

2 files changed, 12 insertions, 12 deletions

diff --git a/sys/netbsd/gen/amd64.go b/sys/netbsd/gen/amd64.go
index f0812c4db..07debfb7e 100644
--- a/sys/netbsd/gen/amd64.go
+++ b/sys/netbsd/gen/amd64.go
@@ -165,15 +165,15 @@ var structDescs_amd64 = []*KeyedStruct{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pollfd_events", FldName: "events", TypeSize: 2}}, Vals: []uint64{1, 2, 4, 8, 16, 32, 64, 128, 4, 256}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "revents", TypeSize: 2}}},
 	}}},
-	{Key: StructKey{Name: "recv_msghdr"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "recv_msghdr", TypeSize: 56}, Fields: []Type{
+	{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}}, Buf: "msg_name"},
+		&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"}}}},
-		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_iovlen", TypeSize: 8}}, Buf: "msg_iov"},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "buffer", FldName: "msg_control", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{ArgDir: 1, IsVarlen: true}}},
-		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_controllen", TypeSize: 8}}, Buf: "msg_control"},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "msg_flags", TypeSize: 4}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_iovlen", TypeSize: 8, ArgDir: 2}}, Buf: "msg_iov"},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "buffer", FldName: "msg_control", TypeSize: 8, ArgDir: 2}, Type: &BufferType{TypeCommon: TypeCommon{ArgDir: 1, IsVarlen: true}}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "msg_controllen", TypeSize: 8, ArgDir: 2}}, 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: "rlimit"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "rlimit", TypeSize: 16}, Fields: []Type{
@@ -223,7 +223,7 @@ 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}, 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{1, 2, 4, 8, 1024}, 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: "shmid_ds"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "shmid_ds", TypeSize: 112}, Fields: []Type{
@@ -900,7 +900,7 @@ var syscalls_amd64 = []*Syscall{
 	}},
 	{NR: 27, 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{2048, 1, 2, 64}, BitMask: true},
 	}},
 	{NR: 128, Name: "rename", CallName: "rename", Args: []Type{
@@ -1636,4 +1636,4 @@ var consts_amd64 = []ConstValue{
 	{Name: "WUNTRACED", Value: 2},
 }
 
-const revision_amd64 = "136ada16687ed07573bc6919442f35d4dc4d2f8b"
+const revision_amd64 = "88e63f93914651c1b6409d03645968531cb2abda"
diff --git a/sys/netbsd/socket.txt b/sys/netbsd/socket.txt
index 05bd059f4..d165fb1bf 100644
--- a/sys/netbsd/socket.txt
+++ b/sys/netbsd/socket.txt
@@ -26,7 +26,7 @@ getsockname(fd sock, addr ptr[out, sockaddr_storage], addrlen ptr[inout, len[add
 getpeername(fd sock, peer ptr[out, sockaddr_storage], peerlen ptr[inout, len[peer, int32]])
 
 sendmsg(fd sock, msg ptr[in, send_msghdr], 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])
 
 listen(fd sock, backlog int32)
 shutdown(fd sock, how flags[shutdown_flags])
@@ -56,7 +56,7 @@ send_msghdr {
 	msg_iovlen	len[msg_iov, intptr]
 	msg_control	ptr[in, array[cmsghdr]]
 	msg_controllen	bytesize[msg_control, intptr]
-	msg_flags	flags[send_flags, int32]
+	msg_flags	const[0, int32]
 }
 
 recv_msghdr {
@@ -66,7 +66,7 @@ recv_msghdr {
 	msg_iovlen	len[msg_iov, intptr]
 	msg_control	buffer[out]
 	msg_controllen	len[msg_control, intptr]
-	msg_flags	int32
+	msg_flags	const[0, int32]
 }
 
 cmsghdr {