github.com/google/syzkaller@v0.0.0-20251211124644-a066d2bc4b02/pkg/symbolizer/nm_test.go (about)

     1  // Copyright 2016 syzkaller project authors. All rights reserved.
     2  // Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
     3  
     4  package symbolizer
     5  
     6  import (
     7  	"testing"
     8  )
     9  
    10  func TestSymbols(t *testing.T) {
    11  	symbols, err := ReadTextSymbols("testdata/nm.test.out")
    12  	if err != nil {
    13  		t.Fatalf("failed to read symbols: %v", err)
    14  	}
    15  	t.Logf("symbols: %+v", symbols)
    16  	if len(symbols) != 5 {
    17  		t.Fatalf("got %v symbols, want 5", len(symbols))
    18  	}
    19  	{
    20  		s := symbols["barfoo"]
    21  		if len(s) != 1 {
    22  			t.Fatalf("got %v barfoo symbols, want 1", len(s))
    23  		}
    24  		if s[0].Addr != 0x400507 {
    25  			t.Fatalf("bad barfoo address: 0x%x", s[0].Addr)
    26  		}
    27  		if s[0].Size != 0x30 {
    28  			t.Fatalf("bad barfoo size: 0x%x", s[0].Size)
    29  		}
    30  	}
    31  	{
    32  		s := symbols["foobar"]
    33  		if len(s) != 2 {
    34  			t.Fatalf("got %v foobar symbols, want 2", len(s))
    35  		}
    36  		want := []Symbol{
    37  			{
    38  				Addr: 0x4004fa,
    39  				Size: 0xd,
    40  			},
    41  			{
    42  				Addr: 0x4004ed,
    43  				Size: 0xd,
    44  			},
    45  		}
    46  		if !symcmp(want[0], s[0]) && !symcmp(want[0], s[1]) {
    47  			t.Fatalf("foobar symbol %+v not found", want[0])
    48  		}
    49  		if !symcmp(want[1], s[0]) && !symcmp(want[1], s[1]) {
    50  			t.Fatalf("foobar symbol %+v not found", want[1])
    51  		}
    52  	}
    53  }
    54  
    55  func symcmp(want, got Symbol) bool {
    56  	if want.Addr != got.Addr {
    57  		return false
    58  	}
    59  	if want.Size != got.Size {
    60  		return false
    61  	}
    62  	return true
    63  }