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// Copyright 2019 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package test contains data structures for testing the go_marshal tool.
package test
import (
// We're intentionally using a package name alias here even though it's not
// necessary to test the code generator's ability to handle package aliases.
ex "gvisor.dev/gvisor/tools/go_marshal/test/external"
)
// Type1 is a test data type.
//
// +marshal slice:Type1Slice
type Type1 struct {
a Type2
x, y int64 // Multiple field names.
b byte `marshal:"unaligned"` // Short field.
c uint64
_ uint32 // Unnamed scalar field.
_ [6]byte // Unnamed vector field, typical padding.
_ [2]byte
xs [8]int32
as [10]Type2 `marshal:"unaligned"` // Array of Marshallable objects.
ss Type3
}
// Type2 is a test data type.
//
// +marshal
type Type2 struct {
n int64
c byte
_ [7]byte
m int64
a int64
}
// Type3 is a test data type.
//
// +marshal
type Type3 struct {
s int64
x ex.External // Type defined in another package.
}
// Type4 is a test data type.
//
// +marshal
type Type4 struct {
c byte
x int64 `marshal:"unaligned"`
d byte
_ [7]byte
}
// Type5 is a test data type.
//
// +marshal
type Type5 struct {
n int64
t Type4
m int64
}
// Type6 is a test data type ends mid-word.
//
// +marshal
type Type6 struct {
a int64
b int64
// If c isn't marked unaligned, analysis fails (as it should, since
// the unsafe API corrupts Type7).
c byte `marshal:"unaligned"`
}
// Type7 is a test data type that contains a child struct that ends
// mid-word.
// +marshal
type Type7 struct {
x Type6
y int64
}
// Type8 is a test data type which contains an external non-packed field.
//
// +marshal slice:Type8Slice
type Type8 struct {
a int64
np ex.NotPacked
b int64
}
// Timespec represents struct timespec in <time.h>.
//
// +marshal
type Timespec struct {
Sec int64
Nsec int64
}
// Stat represents struct stat.
//
// +marshal slice:StatSlice
type Stat struct {
Dev uint64
Ino uint64
Nlink uint64
Mode uint32
UID uint32
GID uint32
_ int32
Rdev uint64
Size int64
Blksize int64
Blocks int64
ATime Timespec
MTime Timespec
CTime Timespec
_ [3]int64
}
// InetAddr is an example marshallable newtype on an array.
//
// +marshal
type InetAddr [4]byte
// SignalSet is an example marshallable newtype on a primitive.
//
// +marshal slice:SignalSetSlice:inner
type SignalSet uint64
// SignalSetAlias is an example newtype on another marshallable type.
//
// +marshal slice:SignalSetAliasSlice
type SignalSetAlias SignalSet
const sizeA = 64
const sizeB = 8
// TestArray is a test data structure on an array with a constant length.
//
// +marshal
type TestArray [sizeA]int32
// TestArray2 is a newtype on an array with a simple arithmetic expression of
// constants for the array length.
//
// +marshal
type TestArray2 [sizeA * sizeB]int32
// TestArray2 is a newtype on an array with a simple arithmetic expression of
// mixed constants and literals for the array length.
//
// +marshal
type TestArray3 [sizeA*sizeB + 12]int32
// Type9 is a test data type containing an array with a non-literal length.
//
// +marshal
type Type9 struct {
x int64
y [sizeA]int32
}
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