sys/linux: improve binder descriptions

Always pass 3 objects in a transaction.
This allows to specify correct offsets for objects.
Let's see if this improves coverage.

6 files changed, 91 insertions, 33 deletions

diff --git a/sys/linux/dev_binder.txt b/sys/linux/dev_binder.txt
index f163e6e40..e2748dcd8 100644
--- a/sys/linux/dev_binder.txt
+++ b/sys/linux/dev_binder.txt
@@ -105,8 +105,20 @@ binder_transaction_data {
 	sender_euid	const[0, int32]
 	data_size	bytesize[buffer, int64]
 	offsets_size	bytesize[offsets, int64]
-	buffer		ptr64[in, array[binder_object, 0:3]]
-	offsets		ptr64[in, array[flags[binder_buffer_offsets, int64]]]
+	buffer		ptr64[in, binder_objects]
+	offsets		ptr64[in, binder_offsets]
+}
+
+binder_objects {
+	obj0	binder_object
+	obj1	binder_object
+	obj2	binder_object
+} [packed, align_8]
+
+binder_offsets {
+	off0	offsetof[binder_transaction_data:buffer:obj0, int64]
+	off1	offsetof[binder_transaction_data:buffer:obj1, int64]
+	off2	offsetof[binder_transaction_data:buffer:obj2, int64]
 }
 
 binder_transaction_data_sg {
@@ -115,10 +127,6 @@ binder_transaction_data_sg {
 	buffers_size	int64
 } [packed]
 
-# These are sizes of flat_binder_object, binder_fd_object, binder_fd_array_object and
-# binder_buffer_object, and also sums of all pairs of these sizes.
-# This allows guessing offsets for up to 3 objects.
-binder_buffer_offsets = 0, 24, 32, 40, 48, 56, 64, 72
 binder_transaction_flags = TF_ONE_WAY, TF_ACCEPT_FDS
 
 binder_object [
@@ -155,7 +163,7 @@ binder_fd_object {
 binder_fd_array_object {
 	type		const[BINDER_TYPE_FDA, int32]
 	num_fds		int64[0:10]
-	parnt		int64[0:4]
+	parnt		int64[0:2]
 	parent_offset	int64[0:64]
 }
 
@@ -164,7 +172,7 @@ binder_buffer_object {
 	flags		bool32
 	buffer		ptr64[in, array[int8]]
 	length		bytesize[buffer, int64]
-	parnt		int64[0:4]
+	parnt		int64[0:2]
 	parent_offset	int64[0:64]
 }
 
diff --git a/sys/linux/gen/386.go b/sys/linux/gen/386.go
index 39a4ec9c4..5a2a16d58 100644
--- a/sys/linux/gen/386.go
+++ b/sys/linux/gen/386.go
@@ -726,7 +726,7 @@ var structDescs_386 = []*KeyedStruct{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "flags", TypeSize: 4}}, Kind: 2, RangeEnd: 1},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buffer", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "length", TypeSize: 8}}, BitSize: 8, Path: []string{"buffer"}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 4},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 2},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parent_offset", TypeSize: 8}}, Kind: 2, RangeEnd: 64},
 	}}},
 	{Key: StructKey{Name: "binder_cmd_acquire"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_cmd_acquire", TypeSize: 8}, Fields: []Type{
@@ -802,7 +802,7 @@ var structDescs_386 = []*KeyedStruct{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "type", TypeSize: 4}}, Val: 1717854597},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "num_fds", TypeSize: 8}}, Kind: 2, RangeEnd: 10},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 4},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 2},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parent_offset", TypeSize: 8}}, Kind: 2, RangeEnd: 64},
 	}}},
 	{Key: StructKey{Name: "binder_fd_object"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_fd_object", TypeSize: 24}, Fields: []Type{
@@ -832,6 +832,16 @@ var structDescs_386 = []*KeyedStruct{
 		&StructType{Key: StructKey{Name: "binder_fd_array_object"}, FldName: "fda"},
 		&StructType{Key: StructKey{Name: "binder_buffer_object"}, FldName: "ptr"},
 	}}},
+	{Key: StructKey{Name: "binder_objects"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_objects", IsVarlen: true}, Fields: []Type{
+		&UnionType{Key: StructKey{Name: "binder_object"}, FldName: "obj0"},
+		&UnionType{Key: StructKey{Name: "binder_object"}, FldName: "obj1"},
+		&UnionType{Key: StructKey{Name: "binder_object"}, FldName: "obj2"},
+	}, AlignAttr: 8}},
+	{Key: StructKey{Name: "binder_offsets"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_offsets", TypeSize: 24}, Fields: []Type{
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "offsetof", FldName: "off0", TypeSize: 8}}, BitSize: 8, Offset: true, Path: []string{"binder_transaction_data", "buffer", "obj0"}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "offsetof", FldName: "off1", TypeSize: 8}}, BitSize: 8, Offset: true, Path: []string{"binder_transaction_data", "buffer", "obj1"}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "offsetof", FldName: "off2", TypeSize: 8}}, BitSize: 8, Offset: true, Path: []string{"binder_transaction_data", "buffer", "obj2"}},
+	}}},
 	{Key: StructKey{Name: "binder_transaction_data"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_transaction_data", TypeSize: 64}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "handle", TypeSize: 4}}, Kind: 2, RangeEnd: 4},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "pad", TypeSize: 4}}},
@@ -842,8 +852,8 @@ var structDescs_386 = []*KeyedStruct{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "sender_euid", TypeSize: 4}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "data_size", TypeSize: 8}}, BitSize: 8, Path: []string{"buffer"}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "offsets_size", TypeSize: 8}}, BitSize: 8, Path: []string{"offsets"}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buffer", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &UnionType{Key: StructKey{Name: "binder_object"}}, Kind: 1, RangeEnd: 3}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "offsets", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "binder_buffer_offsets", TypeSize: 8}}, Vals: []uint64{0, 24, 32, 40, 48, 56, 64, 72}}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buffer", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "binder_objects"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "offsets", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "binder_offsets"}}},
 	}}},
 	{Key: StructKey{Name: "binder_transaction_data_sg"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_transaction_data_sg", TypeSize: 72}, Fields: []Type{
 		&StructType{Key: StructKey{Name: "binder_transaction_data"}, FldName: "trx"},
@@ -51089,4 +51099,4 @@ var consts_386 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_386 = "224eac7d540d4949d0e846ae0490dadc4fc4f8fa"
+const revision_386 = "9e0791cb47ca383c00ce30af7d22d82a9e577ecb"
diff --git a/sys/linux/gen/amd64.go b/sys/linux/gen/amd64.go
index dcc3b30db..873968d66 100644
--- a/sys/linux/gen/amd64.go
+++ b/sys/linux/gen/amd64.go
@@ -727,7 +727,7 @@ var structDescs_amd64 = []*KeyedStruct{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "flags", TypeSize: 4}}, Kind: 2, RangeEnd: 1},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buffer", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "length", TypeSize: 8}}, BitSize: 8, Path: []string{"buffer"}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 4},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 2},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parent_offset", TypeSize: 8}}, Kind: 2, RangeEnd: 64},
 	}}},
 	{Key: StructKey{Name: "binder_cmd_acquire"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_cmd_acquire", TypeSize: 8}, Fields: []Type{
@@ -803,7 +803,7 @@ var structDescs_amd64 = []*KeyedStruct{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "type", TypeSize: 4}}, Val: 1717854597},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "num_fds", TypeSize: 8}}, Kind: 2, RangeEnd: 10},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 4},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 2},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parent_offset", TypeSize: 8}}, Kind: 2, RangeEnd: 64},
 	}}},
 	{Key: StructKey{Name: "binder_fd_object"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_fd_object", TypeSize: 24}, Fields: []Type{
@@ -833,6 +833,16 @@ var structDescs_amd64 = []*KeyedStruct{
 		&StructType{Key: StructKey{Name: "binder_fd_array_object"}, FldName: "fda"},
 		&StructType{Key: StructKey{Name: "binder_buffer_object"}, FldName: "ptr"},
 	}}},
+	{Key: StructKey{Name: "binder_objects"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_objects", IsVarlen: true}, Fields: []Type{
+		&UnionType{Key: StructKey{Name: "binder_object"}, FldName: "obj0"},
+		&UnionType{Key: StructKey{Name: "binder_object"}, FldName: "obj1"},
+		&UnionType{Key: StructKey{Name: "binder_object"}, FldName: "obj2"},
+	}, AlignAttr: 8}},
+	{Key: StructKey{Name: "binder_offsets"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_offsets", TypeSize: 24}, Fields: []Type{
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "offsetof", FldName: "off0", TypeSize: 8}}, BitSize: 8, Offset: true, Path: []string{"binder_transaction_data", "buffer", "obj0"}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "offsetof", FldName: "off1", TypeSize: 8}}, BitSize: 8, Offset: true, Path: []string{"binder_transaction_data", "buffer", "obj1"}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "offsetof", FldName: "off2", TypeSize: 8}}, BitSize: 8, Offset: true, Path: []string{"binder_transaction_data", "buffer", "obj2"}},
+	}}},
 	{Key: StructKey{Name: "binder_transaction_data"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_transaction_data", TypeSize: 64}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "handle", TypeSize: 4}}, Kind: 2, RangeEnd: 4},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "pad", TypeSize: 4}}},
@@ -843,8 +853,8 @@ var structDescs_amd64 = []*KeyedStruct{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "sender_euid", TypeSize: 4}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "data_size", TypeSize: 8}}, BitSize: 8, Path: []string{"buffer"}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "offsets_size", TypeSize: 8}}, BitSize: 8, Path: []string{"offsets"}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buffer", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &UnionType{Key: StructKey{Name: "binder_object"}}, Kind: 1, RangeEnd: 3}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "offsets", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "binder_buffer_offsets", TypeSize: 8}}, Vals: []uint64{0, 24, 32, 40, 48, 56, 64, 72}}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buffer", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "binder_objects"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "offsets", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "binder_offsets"}}},
 	}}},
 	{Key: StructKey{Name: "binder_transaction_data_sg"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_transaction_data_sg", TypeSize: 72}, Fields: []Type{
 		&StructType{Key: StructKey{Name: "binder_transaction_data"}, FldName: "trx"},
@@ -51611,4 +51621,4 @@ var consts_amd64 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_amd64 = "796c95beb9acee8fff397d4115ee6e4d2e87c26f"
+const revision_amd64 = "cd2eb4279d86159e17ba9b36839db09b8b26b274"
diff --git a/sys/linux/gen/arm.go b/sys/linux/gen/arm.go
index b5f083900..90e4aba38 100644
--- a/sys/linux/gen/arm.go
+++ b/sys/linux/gen/arm.go
@@ -724,7 +724,7 @@ var structDescs_arm = []*KeyedStruct{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "flags", TypeSize: 4}}, Kind: 2, RangeEnd: 1},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buffer", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "length", TypeSize: 8}}, BitSize: 8, Path: []string{"buffer"}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 4},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 2},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parent_offset", TypeSize: 8}}, Kind: 2, RangeEnd: 64},
 	}}},
 	{Key: StructKey{Name: "binder_cmd_acquire"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_cmd_acquire", TypeSize: 8}, Fields: []Type{
@@ -800,7 +800,7 @@ var structDescs_arm = []*KeyedStruct{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "type", TypeSize: 4}}, Val: 1717854597},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "num_fds", TypeSize: 8}}, Kind: 2, RangeEnd: 10},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 4},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 2},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parent_offset", TypeSize: 8}}, Kind: 2, RangeEnd: 64},
 	}}},
 	{Key: StructKey{Name: "binder_fd_object"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_fd_object", TypeSize: 24}, Fields: []Type{
@@ -830,6 +830,16 @@ var structDescs_arm = []*KeyedStruct{
 		&StructType{Key: StructKey{Name: "binder_fd_array_object"}, FldName: "fda"},
 		&StructType{Key: StructKey{Name: "binder_buffer_object"}, FldName: "ptr"},
 	}}},
+	{Key: StructKey{Name: "binder_objects"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_objects", IsVarlen: true}, Fields: []Type{
+		&UnionType{Key: StructKey{Name: "binder_object"}, FldName: "obj0"},
+		&UnionType{Key: StructKey{Name: "binder_object"}, FldName: "obj1"},
+		&UnionType{Key: StructKey{Name: "binder_object"}, FldName: "obj2"},
+	}, AlignAttr: 8}},
+	{Key: StructKey{Name: "binder_offsets"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_offsets", TypeSize: 24}, Fields: []Type{
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "offsetof", FldName: "off0", TypeSize: 8}}, BitSize: 8, Offset: true, Path: []string{"binder_transaction_data", "buffer", "obj0"}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "offsetof", FldName: "off1", TypeSize: 8}}, BitSize: 8, Offset: true, Path: []string{"binder_transaction_data", "buffer", "obj1"}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "offsetof", FldName: "off2", TypeSize: 8}}, BitSize: 8, Offset: true, Path: []string{"binder_transaction_data", "buffer", "obj2"}},
+	}}},
 	{Key: StructKey{Name: "binder_transaction_data"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_transaction_data", TypeSize: 64}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "handle", TypeSize: 4}}, Kind: 2, RangeEnd: 4},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "pad", TypeSize: 4}}},
@@ -840,8 +850,8 @@ var structDescs_arm = []*KeyedStruct{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "sender_euid", TypeSize: 4}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "data_size", TypeSize: 8}}, BitSize: 8, Path: []string{"buffer"}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "offsets_size", TypeSize: 8}}, BitSize: 8, Path: []string{"offsets"}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buffer", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &UnionType{Key: StructKey{Name: "binder_object"}}, Kind: 1, RangeEnd: 3}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "offsets", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "binder_buffer_offsets", TypeSize: 8}}, Vals: []uint64{0, 24, 32, 40, 48, 56, 64, 72}}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buffer", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "binder_objects"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "offsets", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "binder_offsets"}}},
 	}}},
 	{Key: StructKey{Name: "binder_transaction_data_sg"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_transaction_data_sg", TypeSize: 72}, Fields: []Type{
 		&StructType{Key: StructKey{Name: "binder_transaction_data"}, FldName: "trx"},
@@ -50576,4 +50586,4 @@ var consts_arm = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_arm = "17900de599cb20dcbc2ea5714909d3329c138a01"
+const revision_arm = "7d053eac58a9358cfe0b7b3c851aa83c846a6af0"
diff --git a/sys/linux/gen/arm64.go b/sys/linux/gen/arm64.go
index 9e7b962b0..ba3add397 100644
--- a/sys/linux/gen/arm64.go
+++ b/sys/linux/gen/arm64.go
@@ -725,7 +725,7 @@ var structDescs_arm64 = []*KeyedStruct{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "flags", TypeSize: 4}}, Kind: 2, RangeEnd: 1},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buffer", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "length", TypeSize: 8}}, BitSize: 8, Path: []string{"buffer"}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 4},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 2},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parent_offset", TypeSize: 8}}, Kind: 2, RangeEnd: 64},
 	}}},
 	{Key: StructKey{Name: "binder_cmd_acquire"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_cmd_acquire", TypeSize: 8}, Fields: []Type{
@@ -801,7 +801,7 @@ var structDescs_arm64 = []*KeyedStruct{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "type", TypeSize: 4}}, Val: 1717854597},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "num_fds", TypeSize: 8}}, Kind: 2, RangeEnd: 10},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 4},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 2},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parent_offset", TypeSize: 8}}, Kind: 2, RangeEnd: 64},
 	}}},
 	{Key: StructKey{Name: "binder_fd_object"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_fd_object", TypeSize: 24}, Fields: []Type{
@@ -831,6 +831,16 @@ var structDescs_arm64 = []*KeyedStruct{
 		&StructType{Key: StructKey{Name: "binder_fd_array_object"}, FldName: "fda"},
 		&StructType{Key: StructKey{Name: "binder_buffer_object"}, FldName: "ptr"},
 	}}},
+	{Key: StructKey{Name: "binder_objects"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_objects", IsVarlen: true}, Fields: []Type{
+		&UnionType{Key: StructKey{Name: "binder_object"}, FldName: "obj0"},
+		&UnionType{Key: StructKey{Name: "binder_object"}, FldName: "obj1"},
+		&UnionType{Key: StructKey{Name: "binder_object"}, FldName: "obj2"},
+	}, AlignAttr: 8}},
+	{Key: StructKey{Name: "binder_offsets"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_offsets", TypeSize: 24}, Fields: []Type{
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "offsetof", FldName: "off0", TypeSize: 8}}, BitSize: 8, Offset: true, Path: []string{"binder_transaction_data", "buffer", "obj0"}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "offsetof", FldName: "off1", TypeSize: 8}}, BitSize: 8, Offset: true, Path: []string{"binder_transaction_data", "buffer", "obj1"}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "offsetof", FldName: "off2", TypeSize: 8}}, BitSize: 8, Offset: true, Path: []string{"binder_transaction_data", "buffer", "obj2"}},
+	}}},
 	{Key: StructKey{Name: "binder_transaction_data"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_transaction_data", TypeSize: 64}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "handle", TypeSize: 4}}, Kind: 2, RangeEnd: 4},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "pad", TypeSize: 4}}},
@@ -841,8 +851,8 @@ var structDescs_arm64 = []*KeyedStruct{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "sender_euid", TypeSize: 4}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "data_size", TypeSize: 8}}, BitSize: 8, Path: []string{"buffer"}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "offsets_size", TypeSize: 8}}, BitSize: 8, Path: []string{"offsets"}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buffer", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &UnionType{Key: StructKey{Name: "binder_object"}}, Kind: 1, RangeEnd: 3}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "offsets", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "binder_buffer_offsets", TypeSize: 8}}, Vals: []uint64{0, 24, 32, 40, 48, 56, 64, 72}}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buffer", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "binder_objects"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "offsets", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "binder_offsets"}}},
 	}}},
 	{Key: StructKey{Name: "binder_transaction_data_sg"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_transaction_data_sg", TypeSize: 72}, Fields: []Type{
 		&StructType{Key: StructKey{Name: "binder_transaction_data"}, FldName: "trx"},
@@ -50871,4 +50881,4 @@ var consts_arm64 = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_arm64 = "323f6689f696d59c14729de482ab8d8f8fcf1f5a"
+const revision_arm64 = "9dcef55b76a549a6030e2bee954532c4026cf9d6"
diff --git a/sys/linux/gen/ppc64le.go b/sys/linux/gen/ppc64le.go
index 651ea5452..f074478dd 100644
--- a/sys/linux/gen/ppc64le.go
+++ b/sys/linux/gen/ppc64le.go
@@ -724,7 +724,7 @@ var structDescs_ppc64le = []*KeyedStruct{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "flags", TypeSize: 4}}, Kind: 2, RangeEnd: 1},
 		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buffer", TypeSize: 8}, Type: &BufferType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "length", TypeSize: 8}}, BitSize: 8, Path: []string{"buffer"}},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 4},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 2},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parent_offset", TypeSize: 8}}, Kind: 2, RangeEnd: 64},
 	}}},
 	{Key: StructKey{Name: "binder_cmd_acquire"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_cmd_acquire", TypeSize: 8}, Fields: []Type{
@@ -800,7 +800,7 @@ var structDescs_ppc64le = []*KeyedStruct{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "type", TypeSize: 4}}, Val: 1717854597},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "pad", TypeSize: 4}}, IsPad: true},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "num_fds", TypeSize: 8}}, Kind: 2, RangeEnd: 10},
-		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 4},
+		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parnt", TypeSize: 8}}, Kind: 2, RangeEnd: 2},
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int64", FldName: "parent_offset", TypeSize: 8}}, Kind: 2, RangeEnd: 64},
 	}}},
 	{Key: StructKey{Name: "binder_fd_object"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_fd_object", TypeSize: 24}, Fields: []Type{
@@ -830,6 +830,16 @@ var structDescs_ppc64le = []*KeyedStruct{
 		&StructType{Key: StructKey{Name: "binder_fd_array_object"}, FldName: "fda"},
 		&StructType{Key: StructKey{Name: "binder_buffer_object"}, FldName: "ptr"},
 	}}},
+	{Key: StructKey{Name: "binder_objects"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_objects", IsVarlen: true}, Fields: []Type{
+		&UnionType{Key: StructKey{Name: "binder_object"}, FldName: "obj0"},
+		&UnionType{Key: StructKey{Name: "binder_object"}, FldName: "obj1"},
+		&UnionType{Key: StructKey{Name: "binder_object"}, FldName: "obj2"},
+	}, AlignAttr: 8}},
+	{Key: StructKey{Name: "binder_offsets"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_offsets", TypeSize: 24}, Fields: []Type{
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "offsetof", FldName: "off0", TypeSize: 8}}, BitSize: 8, Offset: true, Path: []string{"binder_transaction_data", "buffer", "obj0"}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "offsetof", FldName: "off1", TypeSize: 8}}, BitSize: 8, Offset: true, Path: []string{"binder_transaction_data", "buffer", "obj1"}},
+		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "offsetof", FldName: "off2", TypeSize: 8}}, BitSize: 8, Offset: true, Path: []string{"binder_transaction_data", "buffer", "obj2"}},
+	}}},
 	{Key: StructKey{Name: "binder_transaction_data"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_transaction_data", TypeSize: 64}, Fields: []Type{
 		&IntType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "int32", FldName: "handle", TypeSize: 4}}, Kind: 2, RangeEnd: 4},
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "pad", TypeSize: 4}}},
@@ -840,8 +850,8 @@ var structDescs_ppc64le = []*KeyedStruct{
 		&ConstType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "const", FldName: "sender_euid", TypeSize: 4}}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "data_size", TypeSize: 8}}, BitSize: 8, Path: []string{"buffer"}},
 		&LenType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "bytesize", FldName: "offsets_size", TypeSize: 8}}, BitSize: 8, Path: []string{"offsets"}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buffer", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &UnionType{Key: StructKey{Name: "binder_object"}}, Kind: 1, RangeEnd: 3}},
-		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "offsets", TypeSize: 8}, Type: &ArrayType{TypeCommon: TypeCommon{TypeName: "array", IsVarlen: true}, Type: &FlagsType{IntTypeCommon: IntTypeCommon{TypeCommon: TypeCommon{TypeName: "binder_buffer_offsets", TypeSize: 8}}, Vals: []uint64{0, 24, 32, 40, 48, 56, 64, 72}}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "buffer", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "binder_objects"}}},
+		&PtrType{TypeCommon: TypeCommon{TypeName: "ptr64", FldName: "offsets", TypeSize: 8}, Type: &StructType{Key: StructKey{Name: "binder_offsets"}}},
 	}}},
 	{Key: StructKey{Name: "binder_transaction_data_sg"}, Desc: &StructDesc{TypeCommon: TypeCommon{TypeName: "binder_transaction_data_sg", TypeSize: 72}, Fields: []Type{
 		&StructType{Key: StructKey{Name: "binder_transaction_data"}, FldName: "trx"},
@@ -50838,4 +50848,4 @@ var consts_ppc64le = []ConstValue{
 	{Name: "bpf_insn_load_imm_dw", Value: 24},
 }
 
-const revision_ppc64le = "7e3189303ae7568ed68f54f518e34367eb7c23fa"
+const revision_ppc64le = "73abae86d3eb155f7ca4a5d586216fa41b11e505"