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// Copyright 2022 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 pe
import (
"fmt"
"testing"
)
type testpoint struct {
name string
ok bool
err string
auxstr string
}
func TestReadCOFFSymbolAuxInfo(t *testing.T) {
testpoints := map[int]testpoint{
39: testpoint{
name: ".rdata$.refptr.__native_startup_lock",
ok: true,
auxstr: "{Size:8 NumRelocs:1 NumLineNumbers:0 Checksum:0 SecNum:16 Selection:2 _:[0 0 0]}",
},
81: testpoint{
name: ".debug_line",
ok: true,
auxstr: "{Size:994 NumRelocs:1 NumLineNumbers:0 Checksum:1624223678 SecNum:32 Selection:0 _:[0 0 0]}",
},
155: testpoint{
name: ".file",
ok: false,
err: "incorrect symbol storage class",
},
}
// The testdata PE object file below was selected from a release
// build from https://github.com/mstorsjo/llvm-mingw/releases; it
// corresponds to the mingw "crt2.o" object. The object itself was
// built using an x86_64 HOST=linux TARGET=windows clang cross
// compiler based on LLVM 13. More build details can be found at
// https://github.com/mstorsjo/llvm-mingw/releases.
f, err := Open("testdata/llvm-mingw-20211002-msvcrt-x86_64-crt2")
if err != nil {
t.Errorf("open failed with %v", err)
}
defer f.Close()
for k := range f.COFFSymbols {
tp, ok := testpoints[k]
if !ok {
continue
}
sym := &f.COFFSymbols[k]
if sym.NumberOfAuxSymbols == 0 {
t.Errorf("expected aux symbols for sym %d", k)
continue
}
name, nerr := sym.FullName(f.StringTable)
if nerr != nil {
t.Errorf("FullName(%d) failed with %v", k, nerr)
continue
}
if name != tp.name {
t.Errorf("name check for %d, got %s want %s", k, name, tp.name)
continue
}
ap, err := f.COFFSymbolReadSectionDefAux(k)
if tp.ok {
if err != nil {
t.Errorf("unexpected failure on %d, got error %v", k, err)
continue
}
got := fmt.Sprintf("%+v", *ap)
if got != tp.auxstr {
t.Errorf("COFFSymbolReadSectionDefAux on %d bad return, got:\n%s\nwant:\n%s\n", k, got, tp.auxstr)
continue
}
} else {
if err == nil {
t.Errorf("unexpected non-failure on %d", k)
continue
}
got := fmt.Sprintf("%v", err)
if got != tp.err {
t.Errorf("COFFSymbolReadSectionDefAux %d wrong error, got %q want %q", k, got, tp.err)
continue
}
}
}
}