forked from nicocha30/gvisor-ligolo
-
Notifications
You must be signed in to change notification settings - Fork 0
/
auth_abi_autogen_unsafe.go
282 lines (240 loc) · 8.85 KB
/
auth_abi_autogen_unsafe.go
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
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
// Automatically generated marshal implementation. See tools/go_marshal.
package auth
import (
"io"
"reflect"
"runtime"
"unsafe"
"github.com/ttpreport/gvisor-ligolo/pkg/gohacks"
"github.com/ttpreport/gvisor-ligolo/pkg/hostarch"
"github.com/ttpreport/gvisor-ligolo/pkg/marshal"
)
// Marshallable types used by this file.
var _ marshal.Marshallable = (*GID)(nil)
var _ marshal.Marshallable = (*UID)(nil)
// SizeBytes implements marshal.Marshallable.SizeBytes.
//
//go:nosplit
func (gid *GID) SizeBytes() int {
return 4
}
// MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (gid *GID) MarshalBytes(dst []byte) []byte {
hostarch.ByteOrder.PutUint32(dst[:4], uint32(*gid))
return dst[4:]
}
// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
func (gid *GID) UnmarshalBytes(src []byte) []byte {
*gid = GID(uint32(hostarch.ByteOrder.Uint32(src[:4])))
return src[4:]
}
// Packed implements marshal.Marshallable.Packed.
//
//go:nosplit
func (gid *GID) Packed() bool {
// Scalar newtypes are always packed.
return true
}
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
func (gid *GID) MarshalUnsafe(dst []byte) []byte {
size := gid.SizeBytes()
gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(gid), uintptr(size))
return dst[size:]
}
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (gid *GID) UnmarshalUnsafe(src []byte) []byte {
size := gid.SizeBytes()
gohacks.Memmove(unsafe.Pointer(gid), unsafe.Pointer(&src[0]), uintptr(size))
return src[size:]
}
// CopyOutN implements marshal.Marshallable.CopyOutN.
func (gid *GID) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
// Construct a slice backed by dst's underlying memory.
var buf []byte
hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(gid)))
hdr.Len = gid.SizeBytes()
hdr.Cap = gid.SizeBytes()
length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
// Since we bypassed the compiler's escape analysis, indicate that gid
// must live until the use above.
runtime.KeepAlive(gid) // escapes: replaced by intrinsic.
return length, err
}
// CopyOut implements marshal.Marshallable.CopyOut.
func (gid *GID) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
return gid.CopyOutN(cc, addr, gid.SizeBytes())
}
// CopyIn implements marshal.Marshallable.CopyIn.
func (gid *GID) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
// Construct a slice backed by dst's underlying memory.
var buf []byte
hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(gid)))
hdr.Len = gid.SizeBytes()
hdr.Cap = gid.SizeBytes()
length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
// Since we bypassed the compiler's escape analysis, indicate that gid
// must live until the use above.
runtime.KeepAlive(gid) // escapes: replaced by intrinsic.
return length, err
}
// WriteTo implements io.WriterTo.WriteTo.
func (gid *GID) WriteTo(writer io.Writer) (int64, error) {
// Construct a slice backed by dst's underlying memory.
var buf []byte
hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(gid)))
hdr.Len = gid.SizeBytes()
hdr.Cap = gid.SizeBytes()
length, err := writer.Write(buf)
// Since we bypassed the compiler's escape analysis, indicate that gid
// must live until the use above.
runtime.KeepAlive(gid) // escapes: replaced by intrinsic.
return int64(length), err
}
// CopyGIDSliceIn copies in a slice of GID objects from the task's memory.
func CopyGIDSliceIn(cc marshal.CopyContext, addr hostarch.Addr, dst []GID) (int, error) {
count := len(dst)
if count == 0 {
return 0, nil
}
size := (*GID)(nil).SizeBytes()
ptr := unsafe.Pointer(&dst)
val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
// Construct a slice backed by dst's underlying memory.
var buf []byte
hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
hdr.Data = uintptr(val)
hdr.Len = size * count
hdr.Cap = size * count
length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
// Since we bypassed the compiler's escape analysis, indicate that dst
// must live until the use above.
runtime.KeepAlive(dst) // escapes: replaced by intrinsic.
return length, err
}
// CopyGIDSliceOut copies a slice of GID objects to the task's memory.
func CopyGIDSliceOut(cc marshal.CopyContext, addr hostarch.Addr, src []GID) (int, error) {
count := len(src)
if count == 0 {
return 0, nil
}
size := (*GID)(nil).SizeBytes()
ptr := unsafe.Pointer(&src)
val := gohacks.Noescape(unsafe.Pointer((*reflect.SliceHeader)(ptr).Data))
// Construct a slice backed by dst's underlying memory.
var buf []byte
hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
hdr.Data = uintptr(val)
hdr.Len = size * count
hdr.Cap = size * count
length, err := cc.CopyOutBytes(addr, buf) // escapes: okay.
// Since we bypassed the compiler's escape analysis, indicate that src
// must live until the use above.
runtime.KeepAlive(src) // escapes: replaced by intrinsic.
return length, err
}
// MarshalUnsafeGIDSlice is like GID.MarshalUnsafe, but for a []GID.
func MarshalUnsafeGIDSlice(src []GID, dst []byte) []byte {
count := len(src)
if count == 0 {
return dst
}
size := (*GID)(nil).SizeBytes()
buf := dst[:size*count]
gohacks.Memmove(unsafe.Pointer(&buf[0]), unsafe.Pointer(&src[0]), uintptr(len(buf)))
return dst[size*count:]
}
// UnmarshalUnsafeGIDSlice is like GID.UnmarshalUnsafe, but for a []GID.
func UnmarshalUnsafeGIDSlice(dst []GID, src []byte) []byte {
count := len(dst)
if count == 0 {
return src
}
size := (*GID)(nil).SizeBytes()
buf := src[:size*count]
gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(&buf[0]), uintptr(len(buf)))
return src[size*count:]
}
// SizeBytes implements marshal.Marshallable.SizeBytes.
//
//go:nosplit
func (uid *UID) SizeBytes() int {
return 4
}
// MarshalBytes implements marshal.Marshallable.MarshalBytes.
func (uid *UID) MarshalBytes(dst []byte) []byte {
hostarch.ByteOrder.PutUint32(dst[:4], uint32(*uid))
return dst[4:]
}
// UnmarshalBytes implements marshal.Marshallable.UnmarshalBytes.
func (uid *UID) UnmarshalBytes(src []byte) []byte {
*uid = UID(uint32(hostarch.ByteOrder.Uint32(src[:4])))
return src[4:]
}
// Packed implements marshal.Marshallable.Packed.
//
//go:nosplit
func (uid *UID) Packed() bool {
// Scalar newtypes are always packed.
return true
}
// MarshalUnsafe implements marshal.Marshallable.MarshalUnsafe.
func (uid *UID) MarshalUnsafe(dst []byte) []byte {
size := uid.SizeBytes()
gohacks.Memmove(unsafe.Pointer(&dst[0]), unsafe.Pointer(uid), uintptr(size))
return dst[size:]
}
// UnmarshalUnsafe implements marshal.Marshallable.UnmarshalUnsafe.
func (uid *UID) UnmarshalUnsafe(src []byte) []byte {
size := uid.SizeBytes()
gohacks.Memmove(unsafe.Pointer(uid), unsafe.Pointer(&src[0]), uintptr(size))
return src[size:]
}
// CopyOutN implements marshal.Marshallable.CopyOutN.
func (uid *UID) CopyOutN(cc marshal.CopyContext, addr hostarch.Addr, limit int) (int, error) {
// Construct a slice backed by dst's underlying memory.
var buf []byte
hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(uid)))
hdr.Len = uid.SizeBytes()
hdr.Cap = uid.SizeBytes()
length, err := cc.CopyOutBytes(addr, buf[:limit]) // escapes: okay.
// Since we bypassed the compiler's escape analysis, indicate that uid
// must live until the use above.
runtime.KeepAlive(uid) // escapes: replaced by intrinsic.
return length, err
}
// CopyOut implements marshal.Marshallable.CopyOut.
func (uid *UID) CopyOut(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
return uid.CopyOutN(cc, addr, uid.SizeBytes())
}
// CopyIn implements marshal.Marshallable.CopyIn.
func (uid *UID) CopyIn(cc marshal.CopyContext, addr hostarch.Addr) (int, error) {
// Construct a slice backed by dst's underlying memory.
var buf []byte
hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(uid)))
hdr.Len = uid.SizeBytes()
hdr.Cap = uid.SizeBytes()
length, err := cc.CopyInBytes(addr, buf) // escapes: okay.
// Since we bypassed the compiler's escape analysis, indicate that uid
// must live until the use above.
runtime.KeepAlive(uid) // escapes: replaced by intrinsic.
return length, err
}
// WriteTo implements io.WriterTo.WriteTo.
func (uid *UID) WriteTo(writer io.Writer) (int64, error) {
// Construct a slice backed by dst's underlying memory.
var buf []byte
hdr := (*reflect.SliceHeader)(unsafe.Pointer(&buf))
hdr.Data = uintptr(gohacks.Noescape(unsafe.Pointer(uid)))
hdr.Len = uid.SizeBytes()
hdr.Cap = uid.SizeBytes()
length, err := writer.Write(buf)
// Since we bypassed the compiler's escape analysis, indicate that uid
// must live until the use above.
runtime.KeepAlive(uid) // escapes: replaced by intrinsic.
return int64(length), err
}