pkg/compiler: don't mark flags with 0 as bitmask

They can't be a bitmask. This fixes important cases
of "0, 1" and "0, 1, 2" flags. Fix some descriptions
that added 0 to bitmasks explicitly (we should do it
automatically instead).

1 files changed, 31 insertions, 31 deletions

diff --git a/sys/openbsd/gen/amd64.go b/sys/openbsd/gen/amd64.go
index 7ca985198..122b1d1c5 100644
--- a/sys/openbsd/gen/amd64.go
+++ b/sys/openbsd/gen/amd64.go
@@ -108,7 +108,7 @@ var structDescs_amd64 = []*KeyedStruct{
 	}}},
 	{Key: StructKey{Name: "flock"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "flock", TypeSize: 32}, Fields: []Type{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "flock_type", FldName: "type", TypeSize: 2}}, Vals: []uint64{1, 2, 3}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "seek_whence", FldName: "whence", TypeSize: 2}}, Vals: []uint64{0, 1, 2}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "seek_whence", FldName: "whence", TypeSize: 2}}, Vals: []uint64{0, 1, 2}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", FldName: "start", TypeSize: 8}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", FldName: "len", TypeSize: 8}}},
@@ -392,23 +392,23 @@ var structDescs_amd64 = []*KeyedStruct{
 		&StructType{Key: StructKey{Name: "sockaddr_un_abstract", Dir: 1}, FldName: "abs"},
 	}}},
 	{Key: StructKey{Name: "sockaddr_un_abstract"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "sockaddr_un_abstract", TypeSize: 8}, Fields: []Type{
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unix_socket_family", FldName: "family", TypeSize: 2}}, Vals: []uint64{0, 1}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unix_socket_family", FldName: "family", TypeSize: 2}}, Vals: []uint64{0, 1}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "ind", TypeSize: 1}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 1}}, IsPad: true},
 		&ProcType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "proc", FldName: "id", TypeSize: 4}}, ValuesStart: 20000, ValuesPerProc: 4},
 	}}},
 	{Key: StructKey{Name: "sockaddr_un_abstract", Dir: 1}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "sockaddr_un_abstract", TypeSize: 8, ArgDir: 1}, Fields: []Type{
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unix_socket_family", FldName: "family", TypeSize: 2, ArgDir: 1}}, Vals: []uint64{0, 1}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unix_socket_family", FldName: "family", TypeSize: 2, ArgDir: 1}}, Vals: []uint64{0, 1}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "ind", TypeSize: 1, ArgDir: 1}}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 1}}, IsPad: true},
 		&ProcType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "proc", FldName: "id", TypeSize: 4, ArgDir: 1}}, ValuesStart: 20000, ValuesPerProc: 4},
 	}}},
 	{Key: StructKey{Name: "sockaddr_un_file"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "sockaddr_un_file", IsVarlen: true}, Fields: []Type{
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unix_socket_family", FldName: "family", TypeSize: 2}}, Vals: []uint64{0, 1}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unix_socket_family", FldName: "family", TypeSize: 2}}, Vals: []uint64{0, 1}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "filename", FldName: "path", IsVarlen: true}, Kind: 3},
 	}}},
 	{Key: StructKey{Name: "sockaddr_un_file", Dir: 1}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "sockaddr_un_file", ArgDir: 1, IsVarlen: true}, Fields: []Type{
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unix_socket_family", FldName: "family", TypeSize: 2, ArgDir: 1}}, Vals: []uint64{0, 1}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unix_socket_family", FldName: "family", TypeSize: 2, ArgDir: 1}}, Vals: []uint64{0, 1}},
 		&BufferType{TypeCommon: TypeCommon{TypeName: "filename", FldName: "path", ArgDir: 1, IsVarlen: true}, Kind: 3},
 	}}},
 	{Key: StructKey{Name: "stat", Dir: 1}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "stat", TypeSize: 112, ArgDir: 1}, Fields: []Type{
@@ -623,14 +623,14 @@ var structDescs_amd64 = []*KeyedStruct{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "vtp_vm_id", TypeSize: 4}}},
 	}}},
 	{Key: StructKey{Name: "vt_mode"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "vt_mode", TypeSize: 8}, Fields: []Type{
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "vt_mode_flags", FldName: "mode", TypeSize: 1}}, Vals: []uint64{0, 1}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "vt_mode_flags", FldName: "mode", TypeSize: 1}}, Vals: []uint64{0, 1}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "waitv", TypeSize: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "relsig", TypeSize: 2}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "acqsig", TypeSize: 2}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "frsig", TypeSize: 2}}},
 	}}},
 	{Key: StructKey{Name: "vt_mode", Dir: 1}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "vt_mode", TypeSize: 8, ArgDir: 1}, Fields: []Type{
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "vt_mode_flags", FldName: "mode", TypeSize: 1, ArgDir: 1}}, Vals: []uint64{0, 1}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "vt_mode_flags", FldName: "mode", TypeSize: 1, ArgDir: 1}}, Vals: []uint64{0, 1}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int8", FldName: "waitv", TypeSize: 1, ArgDir: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "relsig", TypeSize: 2, ArgDir: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int16", FldName: "acqsig", TypeSize: 2, ArgDir: 1}}},
@@ -686,12 +686,12 @@ var structDescs_amd64 = []*KeyedStruct{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "index", TypeSize: 4}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "firstchar", TypeSize: 4}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "numchars", TypeSize: 4}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsdisplay_font_encoding_flags", FldName: "encoding", TypeSize: 4}}, Vals: []uint64{0, 1}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsdisplay_font_encoding_flags", FldName: "encoding", TypeSize: 4}}, Vals: []uint64{0, 1}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "fontwidth", TypeSize: 4}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "fontheight", TypeSize: 4}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "stride", TypeSize: 4}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsdisplay_font_order_flags", FldName: "bitorder", TypeSize: 4}}, Vals: []uint64{0, 1, 2}, BitMask: true},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsdisplay_font_order_flags", FldName: "byteorder", TypeSize: 4}}, Vals: []uint64{0, 1, 2}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsdisplay_font_order_flags", FldName: "bitorder", TypeSize: 4}}, Vals: []uint64{0, 1, 2}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsdisplay_font_order_flags", FldName: "byteorder", TypeSize: 4}}, Vals: []uint64{0, 1, 2}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", FldName: "cookie", TypeSize: 8}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", FldName: "data", TypeSize: 8}}},
@@ -701,12 +701,12 @@ var structDescs_amd64 = []*KeyedStruct{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "index", TypeSize: 4, ArgDir: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "firstchar", TypeSize: 4, ArgDir: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "numchars", TypeSize: 4, ArgDir: 1}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsdisplay_font_encoding_flags", FldName: "encoding", TypeSize: 4, ArgDir: 1}}, Vals: []uint64{0, 1}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsdisplay_font_encoding_flags", FldName: "encoding", TypeSize: 4, ArgDir: 1}}, Vals: []uint64{0, 1}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "fontwidth", TypeSize: 4, ArgDir: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "fontheight", TypeSize: 4, ArgDir: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "stride", TypeSize: 4, ArgDir: 1}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsdisplay_font_order_flags", FldName: "bitorder", TypeSize: 4, ArgDir: 1}}, Vals: []uint64{0, 1, 2}, BitMask: true},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsdisplay_font_order_flags", FldName: "byteorder", TypeSize: 4, ArgDir: 1}}, Vals: []uint64{0, 1, 2}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsdisplay_font_order_flags", FldName: "bitorder", TypeSize: 4, ArgDir: 1}}, Vals: []uint64{0, 1, 2}},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsdisplay_font_order_flags", FldName: "byteorder", TypeSize: 4, ArgDir: 1}}, Vals: []uint64{0, 1, 2}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", FldName: "cookie", TypeSize: 8, ArgDir: 1}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", FldName: "data", TypeSize: 8, ArgDir: 1}}},
@@ -755,7 +755,7 @@ var structDescs_amd64 = []*KeyedStruct{
 		&ArrayType{TypeCommon: TypeCommon{TypeName: "array", FldName: "samples", TypeSize: 256, ArgDir: 1}, Type: &StructType{Key: StructKey{Name: "wsmouse_calibcoord", Dir: 1}}, Kind: 1, RangeBegin: 16, RangeEnd: 16},
 	}}},
 	{Key: StructKey{Name: "wsmouse_mode"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "wsmouse_mode", TypeSize: 4}, Fields: []Type{
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsmouse_mode_flags", FldName: "mode", TypeSize: 4}}, Vals: []uint64{0, 1}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsmouse_mode_flags", FldName: "mode", TypeSize: 4}}, Vals: []uint64{0, 1}},
 	}}},
 	{Key: StructKey{Name: "wsmouse_param"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "wsmouse_param", TypeSize: 8}, Fields: []Type{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsmousecfg_flags", FldName: "key", TypeSize: 4}}, Vals: []uint64{0, 1, 2, 3, 4, 5, 6, 7, 32, 33, 34, 35, 36, 37, 38, 64, 65, 66, 67, 68, 69, 70, 71, 72, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 256, 257}},
@@ -934,7 +934,7 @@ var syscalls_amd64 = []*Syscall{
 	}},
 	{NR: 92, Name: "fcntl$dupfd", CallName: "fcntl", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "fcntl_dupfd", FldName: "cmd", TypeSize: 8}}, Vals: []uint64{0, 10}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "fcntl_dupfd", FldName: "cmd", TypeSize: 8}}, Vals: []uint64{0, 10}},
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "arg", TypeSize: 4}},
 	}, Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
 	{NR: 92, Name: "fcntl$getflags", CallName: "fcntl", MissingArgs: 1, Args: []Type{
@@ -990,7 +990,7 @@ var syscalls_amd64 = []*Syscall{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "list", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", ArgDir: 2, IsVarlen: true}, Type: &ResourceType{TypeCommon: TypeCommon{TypeName: "gid", TypeSize: 4, ArgDir: 2}}}},
 	}},
 	{NR: 70, Name: "getitimer", CallName: "getitimer", Args: []Type{
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "getitimer_which", FldName: "which", TypeSize: 8}}, Vals: []uint64{0, 1, 2}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "getitimer_which", FldName: "which", TypeSize: 8}}, Vals: []uint64{0, 1, 2}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "cur", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "itimerval", Dir: 1}}},
 	}},
 	{NR: 31, Name: "getpeername", CallName: "getpeername", Args: []Type{
@@ -1024,7 +1024,7 @@ var syscalls_amd64 = []*Syscall{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "rlim", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "rlimit", Dir: 1}}},
 	}},
 	{NR: 19, Name: "getrusage", CallName: "getrusage", Args: []Type{
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "rusage_who", FldName: "who", TypeSize: 8}}, Vals: []uint64{0, 18446744073709551615}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "rusage_who", FldName: "who", TypeSize: 8}}, Vals: []uint64{0, 18446744073709551615}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "usage", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "rusage", Dir: 1}}},
 	}},
 	{NR: 32, Name: "getsockname", CallName: "getsockname", Args: []Type{
@@ -1255,7 +1255,7 @@ var syscalls_amd64 = []*Syscall{
 	{NR: 54, Name: "ioctl$KDGETLED", CallName: "ioctl", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_wsdisplay", FldName: "fd", TypeSize: 4}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "cmd", TypeSize: 8}}, Val: 1074023233},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "arg", TypeSize: 8}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "kd_getled_flags", TypeSize: 4}}, Vals: []uint64{0, 1}, BitMask: true}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "arg", TypeSize: 8}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "kd_getled_flags", TypeSize: 4}}, Vals: []uint64{0, 1}}},
 	}},
 	{NR: 54, Name: "ioctl$KDGKBMODE", CallName: "ioctl", MissingArgs: 1, Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_wsdisplay", FldName: "fd", TypeSize: 4}},
@@ -1274,7 +1274,7 @@ var syscalls_amd64 = []*Syscall{
 	{NR: 54, Name: "ioctl$KDSETMODE", CallName: "ioctl", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_wsdisplay", FldName: "fd", TypeSize: 4}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "cmd", TypeSize: 8}}, Val: 536890122},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "arg", TypeSize: 8}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "kd_mode_flags", TypeSize: 4}}, Vals: []uint64{0, 1}, BitMask: true}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "arg", TypeSize: 8}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "kd_mode_flags", TypeSize: 4}}, Vals: []uint64{0, 1}}},
 	}},
 	{NR: 54, Name: "ioctl$KDSETRAD", CallName: "ioctl", MissingArgs: 1, Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_wsdisplay", FldName: "fd", TypeSize: 4}},
@@ -1540,7 +1540,7 @@ var syscalls_amd64 = []*Syscall{
 	{NR: 54, Name: "ioctl$VT_RELDISP", CallName: "ioctl", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_wsdisplay", FldName: "fd", TypeSize: 4}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "cmd", TypeSize: 8}}, Val: 536901124},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "arg", TypeSize: 8}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "vt_reldisp_flags", TypeSize: 4}}, Vals: []uint64{0, 1, 2}, BitMask: true}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "arg", TypeSize: 8}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "vt_reldisp_flags", TypeSize: 4}}, Vals: []uint64{0, 1, 2}}},
 	}},
 	{NR: 54, Name: "ioctl$VT_SETMODE", CallName: "ioctl", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_wsdisplay", FldName: "fd", TypeSize: 4}},
@@ -1620,12 +1620,12 @@ var syscalls_amd64 = []*Syscall{
 	{NR: 54, Name: "ioctl$WSDISPLAYIO_SMODE", CallName: "ioctl", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_wsdisplay", FldName: "fd", TypeSize: 4}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "cmd", TypeSize: 8}}, Val: 2147768140},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "arg", TypeSize: 8}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsdisplay_mode_flags", TypeSize: 4}}, Vals: []uint64{0, 1, 2}, BitMask: true}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "arg", TypeSize: 8}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsdisplay_mode_flags", TypeSize: 4}}, Vals: []uint64{0, 1, 2}}},
 	}},
 	{NR: 54, Name: "ioctl$WSDISPLAYIO_SVIDEO", CallName: "ioctl", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_wsdisplay", FldName: "fd", TypeSize: 4}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "cmd", TypeSize: 8}}, Val: 2147768133},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "arg", TypeSize: 8}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsdisplay_svideo_flags", TypeSize: 4}}, Vals: []uint64{0, 1}, BitMask: true}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "arg", TypeSize: 8}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "wsdisplay_svideo_flags", TypeSize: 4}}, Vals: []uint64{0, 1}}},
 	}},
 	{NR: 54, Name: "ioctl$WSDISPLAYIO_USEFONT", CallName: "ioctl", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_wsdisplay", FldName: "fd", TypeSize: 4}},
@@ -1713,7 +1713,7 @@ var syscalls_amd64 = []*Syscall{
 	{NR: 269, Name: "kqueue", CallName: "kqueue", Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "fd_kqueue", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
 	{NR: 45, Name: "ktrace", CallName: "ktrace", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "tracefile", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ktrace_op_flags", FldName: "ops", TypeSize: 8}}, Vals: []uint64{0, 1, 2, 4}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ktrace_op_flags", FldName: "ops", TypeSize: 8}}, Vals: []uint64{0, 1, 2, 4}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "ktrace_trace_flags", FldName: "trpoints", TypeSize: 8}}, Vals: []uint64{2, 4, 8, 16, 32, 256, 512, 1024, 2048, 4096, 1073741824}, BitMask: true},
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "pid", FldName: "pid", TypeSize: 4}},
 	}},
@@ -1741,7 +1741,7 @@ var syscalls_amd64 = []*Syscall{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "pad", TypeSize: 8}}},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "intptr", FldName: "offset", TypeSize: 8}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "seek_whence", FldName: "whence", TypeSize: 8}}, Vals: []uint64{0, 1, 2}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "seek_whence", FldName: "whence", TypeSize: 8}}, Vals: []uint64{0, 1, 2}},
 	}},
 	{NR: 40, Name: "lstat", CallName: "lstat", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "file", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
@@ -1792,7 +1792,7 @@ var syscalls_amd64 = []*Syscall{
 	{NR: 197, Name: "mmap", CallName: "mmap", Args: []Type{
 		&VmaType{TypeCommon: TypeCommon{TypeName: "vma", FldName: "addr", TypeSize: 8}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "len", TypeSize: 8}}, Path: []string{"addr"}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "mmap_prot", FldName: "prot", TypeSize: 8}}, Vals: []uint64{0, 1, 2, 4}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "mmap_prot", FldName: "prot", TypeSize: 8}}, Vals: []uint64{0, 1, 2, 4}},
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "mmap_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{1, 2, 16, 2048, 4096, 8192, 16384}, BitMask: true},
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd", FldName: "fd", TypeSize: 4}},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "pad", TypeSize: 8}}},
@@ -1801,7 +1801,7 @@ var syscalls_amd64 = []*Syscall{
 	{NR: 74, Name: "mprotect", CallName: "mprotect", Args: []Type{
 		&VmaType{TypeCommon: TypeCommon{TypeName: "vma", FldName: "addr", TypeSize: 8}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "len", FldName: "len", TypeSize: 8}}, Path: []string{"addr"}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "mmap_prot", FldName: "prot", TypeSize: 8}}, Vals: []uint64{0, 1, 2, 4}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "mmap_prot", FldName: "prot", TypeSize: 8}}, Vals: []uint64{0, 1, 2, 4}},
 	}},
 	{NR: 297, Name: "msgctl$IPC_RMID", CallName: "msgctl", MissingArgs: 1, Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "ipc_msq", FldName: "msqid", TypeSize: 4}},
@@ -2208,7 +2208,7 @@ var syscalls_amd64 = []*Syscall{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "list", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &ResourceType{TypeCommon: TypeCommon{TypeName: "gid", TypeSize: 4}}}},
 	}},
 	{NR: 69, Name: "setitimer", CallName: "setitimer", Args: []Type{
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "getitimer_which", FldName: "which", TypeSize: 8}}, Vals: []uint64{0, 1, 2}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "getitimer_which", FldName: "which", TypeSize: 8}}, Vals: []uint64{0, 1, 2}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "new", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "itimerval"}}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "old", TypeSize: 8, IsOptional: true}, Type: &StructType{Key: StructKey{Name: "itimerval", Dir: 1}}},
 	}},
@@ -2338,7 +2338,7 @@ var syscalls_amd64 = []*Syscall{
 	}, Ret: &ResourceType{TypeCommon: TypeCommon{TypeName: "ipc_shm", FldName: "ret", TypeSize: 4, ArgDir: 1}}},
 	{NR: 134, Name: "shutdown", CallName: "shutdown", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "sock", FldName: "fd", TypeSize: 4}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "shutdown_flags", FldName: "how", TypeSize: 8}}, Vals: []uint64{0, 1, 2}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "shutdown_flags", FldName: "how", TypeSize: 8}}, Vals: []uint64{0, 1, 2}},
 	}},
 	{NR: 97, Name: "socket", CallName: "socket", Args: []Type{
 		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "socket_domain", FldName: "domain", TypeSize: 8}}, Vals: []uint64{1, 2, 6, 16, 24, 32}},
@@ -2415,7 +2415,7 @@ var syscalls_amd64 = []*Syscall{
 	{NR: 325, Name: "unlinkat", CallName: "unlinkat", Args: []Type{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_dir", FldName: "fd", TypeSize: 4}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "path", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unlinkat_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{0, 8}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "unlinkat_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{0, 8}},
 	}},
 	{NR: 114, Name: "unveil", CallName: "unveil", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "path", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
@@ -2425,7 +2425,7 @@ var syscalls_amd64 = []*Syscall{
 		&ResourceType{TypeCommon: TypeCommon{TypeName: "fd_dir", FldName: "dir", TypeSize: 4}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "pathname", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "times", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "itimerval"}}},
-		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "utimensat_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{0, 2}, BitMask: true},
+		&FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "utimensat_flags", FldName: "flags", TypeSize: 8}}, Vals: []uint64{0, 2}},
 	}},
 	{NR: 76, Name: "utimes", CallName: "utimes", Args: []Type{
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr", FldName: "filename", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "filename", IsVarlen: true}, Kind: 3}},
@@ -3050,4 +3050,4 @@ var consts_amd64 = []ConstValue{
 	{Name: "__MAP_NOREPLACE", Value: 2048},
 }
 
-const revision_amd64 = "c44fa6b1ab8579a16abdc9df79390b69ee8a08d1"
+const revision_amd64 = "b98bed834227e9d7d9b1c3b0881b6493daa2fa74"