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Diffstat (limited to 'test/uintptrescapes.dir/a.go')
-rw-r--r-- | test/uintptrescapes.dir/a.go | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/test/uintptrescapes.dir/a.go b/test/uintptrescapes.dir/a.go new file mode 100644 index 0000000..29c8340 --- /dev/null +++ b/test/uintptrescapes.dir/a.go @@ -0,0 +1,54 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package a + +import ( + "unsafe" +) + +func recurse(i int, s []byte) byte { + s[0] = byte(i) + if i == 0 { + return s[i] + } else { + var a [1024]byte + r := recurse(i-1, a[:]) + return r + a[0] + } +} + +//go:uintptrescapes +func F1(a uintptr) { + var s [16]byte + recurse(4096, s[:]) + *(*int)(unsafe.Pointer(a)) = 42 +} + +//go:uintptrescapes +func F2(a ...uintptr) { + var s [16]byte + recurse(4096, s[:]) + *(*int)(unsafe.Pointer(a[0])) = 42 +} + +type t struct{} + +func GetT() *t { + return &t{} +} + +//go:uintptrescapes +func (*t) M1(a uintptr) { + var s [16]byte + recurse(4096, s[:]) + *(*int)(unsafe.Pointer(a)) = 42 +} + +//go:uintptrescapes +func (*t) M2(a ...uintptr) { + var s [16]byte + recurse(4096, s[:]) + *(*int)(unsafe.Pointer(a[0])) = 42 +} |