mirror of
https://github.com/golang/go
synced 2024-11-02 09:28:34 +00:00
69 lines
1.1 KiB
Go
69 lines
1.1 KiB
Go
|
// runoutput
|
||
|
|
|
||
|
|
// Copyright 2014 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.
|
||
|
|
|
||
|
|
// Check that {5,6,8,9}g/ggen.c:clearfat is zeroing the entire object.
|
||
|
|
|
||
|
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"bytes"
|
||
|
|
"fmt"
|
||
|
|
"strconv"
|
||
|
|
"strings"
|
||
|
|
)
|
||
|
|
|
||
|
|
const ntest = 1100
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
var decls, calls bytes.Buffer
|
||
|
|
|
||
|
|
for i := 1; i <= ntest; i++ {
|
||
|
|
s := strconv.Itoa(i)
|
||
|
|
decls.WriteString(strings.Replace(decl, "$", s, -1))
|
||
|
|
calls.WriteString(strings.Replace("poison$()\n\tclearfat$()\n\t", "$", s, -1))
|
||
|
|
}
|
||
|
|
|
||
|
|
program = strings.Replace(program, "$DECLS", decls.String(), 1)
|
||
|
|
program = strings.Replace(program, "$CALLS", calls.String(), 1)
|
||
|
|
fmt.Print(program)
|
||
|
|
}
|
||
|
|
|
||
|
|
var program = `package main
|
||
|
|
|
||
|
|
var count int
|
||
|
|
|
||
|
|
$DECLS
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
$CALLS
|
||
|
|
if count != 0 {
|
||
|
|
println("failed", count, "case(s)")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
`
|
||
|
|
|
||
|
|
const decl = `
|
||
|
|
func poison$() {
|
||
|
|
// Grow and poison the stack space that will be used by clearfat$
|
||
|
|
var t [2*$]byte
|
||
|
|
for i := range t {
|
||
|
|
t[i] = 0xff
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func clearfat$() {
|
||
|
|
var t [$]byte
|
||
|
|
|
||
|
|
for _, x := range t {
|
||
|
|
if x != 0 {
|
||
|
|
// println("clearfat$: index", i, "expected 0, got", x)
|
||
|
|
count++
|
||
|
|
break
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
`
|