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// 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.
// +build ignore
package main
import (
"flag"
"fmt"
"log"
"os"
)
func main() {
flag.Parse()
if flag.NArg() > 0 {
f, err := os.Create(flag.Arg(0))
if err != nil {
log.Fatal(err)
}
os.Stdout = f
}
fmt.Printf("// generated by wbfat_gen.go; use go generate\n\n")
fmt.Printf("package runtime\n")
for i := uint(2); i <= 4; i++ {
for j := 1; j < 1<<i; j++ {
fmt.Printf("\n//go:nosplit\n")
fmt.Printf("func writebarrierfat%0*b(dst *[%d]uintptr, _ *byte, src [%d]uintptr) {\n", int(i), j, i, i)
for k := uint(0); k < i; k++ {
if j&(1<<(i-1-k)) != 0 {
fmt.Printf("\twritebarrierptr(&dst[%d], src[%d])\n", k, k)
} else {
fmt.Printf("\tdst[%d] = src[%d]\n", k, k)
}
}
fmt.Printf("}\n")
}
}
}
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