1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
// 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 test1 is a test package.
package test1
import (
"fmt"
"reflect"
)
// Interface is a generic interface.
type Interface interface {
Foo()
}
// Type is a concrete implementation of Interface.
type Type struct {
A uint64
B uint64
}
// Foo implements Interface.Foo.
//go:nosplit
func (t Type) Foo() {
fmt.Printf("%v", t) // Never executed.
}
// +checkescape:all,hard
//go:nosplit
func InterfaceFunction(i Interface) {
// Do nothing; exported for tests.
}
// +checkesacape:all,hard
//go:nosplit
func TypeFunction(t *Type) {
}
// +mustescape:local,builtin
//go:noinline
//go:nosplit
func BuiltinMap(x int) map[string]bool {
return make(map[string]bool)
}
// +mustescape:builtin
//go:noinline
//go:nosplit
func builtinMapRec(x int) map[string]bool {
return BuiltinMap(x)
}
// +temustescapestescape:local,builtin
//go:noinline
//go:nosplit
func BuiltinClosure(x int) func() {
return func() {
fmt.Printf("%v", x)
}
}
// +mustescape:builtin
//go:noinline
//go:nosplit
func builtinClosureRec(x int) func() {
return BuiltinClosure(x)
}
// +mustescape:local,builtin
//go:noinline
//go:nosplit
func BuiltinMakeSlice(x int) []byte {
return make([]byte, x)
}
// +mustescape:builtin
//go:noinline
//go:nosplit
func builtinMakeSliceRec(x int) []byte {
return BuiltinMakeSlice(x)
}
// +mustescape:local,builtin
//go:noinline
//go:nosplit
func BuiltinAppend(x []byte) []byte {
return append(x, 0)
}
// +mustescape:builtin
//go:noinline
//go:nosplit
func builtinAppendRec() []byte {
return BuiltinAppend(nil)
}
// +mustescape:local,builtin
//go:noinline
//go:nosplit
func BuiltinChan() chan int {
return make(chan int)
}
// +mustescape:builtin
//go:noinline
//go:nosplit
func builtinChanRec() chan int {
return BuiltinChan()
}
// +mustescape:local,heap
//go:noinline
//go:nosplit
func Heap() *Type {
var t Type
return &t
}
// +mustescape:heap
//go:noinline
//go:nosplit
func heapRec() *Type {
return Heap()
}
// +mustescape:local,interface
//go:noinline
//go:nosplit
func Dispatch(i Interface) {
i.Foo()
}
// +mustescape:interface
//go:noinline
//go:nosplit
func dispatchRec(i Interface) {
Dispatch(i)
}
// +mustescape:local,dynamic
//go:noinline
//go:nosplit
func Dynamic(f func()) {
f()
}
// +mustescape:dynamic
//go:noinline
//go:nosplit
func dynamicRec(f func()) {
Dynamic(f)
}
// +mustescape:local,unknown
//go:noinline
//go:nosplit
func Unknown() {
_ = reflect.TypeOf((*Type)(nil)) // Does not actually escape.
}
// +mustescape:unknown
//go:noinline
//go:nosplit
func unknownRec() {
Unknown()
}
//go:noinline
//go:nosplit
func internalFunc() {
}
// +mustescape:local,stack
//go:noinline
func Split() {
internalFunc()
}
// +mustescape:stack
//go:noinline
func splitRec() {
Split()
}
|
