diff --git a/src/debug/dwarf/entry_test.go b/src/debug/dwarf/entry_test.go new file mode 100644 index 0000000000..8bd2d2a8ad --- /dev/null +++ b/src/debug/dwarf/entry_test.go @@ -0,0 +1,36 @@ +// Copyright 2009 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 dwarf_test + +import ( + . "debug/dwarf" + "testing" +) + +func TestSplit(t *testing.T) { + // debug/dwarf doesn't (currently) support split DWARF, but + // the attributes that pointed to the split DWARF used to + // cause loading the DWARF data to fail entirely (issue + // #12592). Test that we can at least read the DWARF data. + d := elfData(t, "testdata/split.elf") + r := d.Reader() + e, err := r.Next() + if err != nil { + t.Fatal(err) + } + if e.Tag != TagCompileUnit { + t.Fatalf("bad tag: have %s, want %s", e.Tag, TagCompileUnit) + } + // Check that we were able to parse the unknown section offset + // field, even if we can't figure out its DWARF class. + const AttrGNUAddrBase Attr = 0x2133 + f := e.AttrField(AttrGNUAddrBase) + if _, ok := f.Val.(int64); !ok { + t.Fatalf("bad attribute value type: have %T, want int64", f.Val) + } + if f.Class != ClassUnknown { + t.Fatalf("bad class: have %s, want %s", f.Class, ClassUnknown) + } +} diff --git a/src/debug/dwarf/testdata/split.c b/src/debug/dwarf/testdata/split.c new file mode 100644 index 0000000000..0ef3427d2e --- /dev/null +++ b/src/debug/dwarf/testdata/split.c @@ -0,0 +1,5 @@ +// gcc -gsplit-dwarf split.c -o split.elf + +int main() +{ +} diff --git a/src/debug/dwarf/testdata/split.elf b/src/debug/dwarf/testdata/split.elf new file mode 100644 index 0000000000..99ee2c2f0b Binary files /dev/null and b/src/debug/dwarf/testdata/split.elf differ