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-rw-r--r--test/fixedbugs/issue10607a.go81
1 files changed, 81 insertions, 0 deletions
diff --git a/test/fixedbugs/issue10607a.go b/test/fixedbugs/issue10607a.go
new file mode 100644
index 0000000..51399e4
--- /dev/null
+++ b/test/fixedbugs/issue10607a.go
@@ -0,0 +1,81 @@
+// skip
+
+// Copyright 2015 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.
+
+// This is built by issue10607.go with a -B option.
+// Verify that we have one build-id note with the expected value.
+
+package main
+
+import (
+ "bytes"
+ "debug/elf"
+ "fmt"
+ "os"
+)
+
+func main() {
+ f, err := elf.Open("/proc/self/exe")
+ if err != nil {
+ if os.IsNotExist(err) {
+ return
+ }
+ fmt.Fprintln(os.Stderr, "opening /proc/self/exe:", err)
+ os.Exit(1)
+ }
+
+ c := 0
+ fail := false
+ for i, s := range f.Sections {
+ if s.Type != elf.SHT_NOTE {
+ continue
+ }
+
+ d, err := s.Data()
+ if err != nil {
+ fmt.Fprintf(os.Stderr, "reading data of note section %d: %v\n", i, err)
+ continue
+ }
+
+ for len(d) > 0 {
+ namesz := f.ByteOrder.Uint32(d)
+ descsz := f.ByteOrder.Uint32(d[4:])
+ typ := f.ByteOrder.Uint32(d[8:])
+
+ an := (namesz + 3) &^ 3
+ ad := (descsz + 3) &^ 3
+
+ if int(12+an+ad) > len(d) {
+ fmt.Fprintf(os.Stderr, "note section %d too short for header (%d < 12 + align(%d,4) + align(%d,4))\n", i, len(d), namesz, descsz)
+ break
+ }
+
+ // 3 == NT_GNU_BUILD_ID
+ if typ == 3 && namesz == 4 && bytes.Equal(d[12:16], []byte("GNU\000")) {
+ id := string(d[12+an:12+an+descsz])
+ if id == "\x12\x34\x56\x78" {
+ c++
+ } else {
+ fmt.Fprintf(os.Stderr, "wrong build ID data: %q\n", id)
+ fail = true
+ }
+ }
+
+ d = d[12+an+ad:]
+ }
+ }
+
+ if c == 0 {
+ fmt.Fprintln(os.Stderr, "no build-id note")
+ fail = true
+ } else if c > 1 {
+ fmt.Fprintln(os.Stderr, c, "build-id notes")
+ fail = true
+ }
+
+ if fail {
+ os.Exit(1)
+ }
+}