/
core_reloc_test.go
120 lines (101 loc) · 2.47 KB
/
core_reloc_test.go
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package btf_test
import (
"fmt"
"io"
"os"
"strings"
"testing"
"github.com/cilium/ebpf"
"github.com/cilium/ebpf/internal"
"github.com/cilium/ebpf/internal/testutils"
)
func TestCORERelocationLoad(t *testing.T) {
testutils.Files(t, testutils.Glob(t, "testdata/relocs-*.elf"), func(t *testing.T, file string) {
fh, err := os.Open(file)
if err != nil {
t.Fatal(err)
}
defer fh.Close()
spec, err := ebpf.LoadCollectionSpecFromReader(fh)
if err != nil {
t.Fatal(err)
}
if spec.ByteOrder != internal.NativeEndian {
return
}
for _, progSpec := range spec.Programs {
t.Run(progSpec.Name, func(t *testing.T) {
if _, err := fh.Seek(0, io.SeekStart); err != nil {
t.Fatal(err)
}
prog, err := ebpf.NewProgramWithOptions(progSpec, ebpf.ProgramOptions{
TargetBTF: fh,
})
if strings.HasPrefix(progSpec.Name, "err_") {
if err == nil {
prog.Close()
t.Fatal("Expected an error")
}
t.Log("Got expected error:", err)
return
}
if err != nil {
t.Fatal("Load program:", err)
}
defer prog.Close()
ret, _, err := prog.Test(make([]byte, 14))
testutils.SkipIfNotSupported(t, err)
if err != nil {
t.Fatal("Error when running:", err)
}
if ret != 0 {
t.Error("Assertion failed on line", ret)
}
})
}
})
}
func TestCORERelocationRead(t *testing.T) {
testutils.Files(t, testutils.Glob(t, "testdata/relocs_read-*.elf"), func(t *testing.T, file string) {
fh, err := os.Open(file)
if err != nil {
t.Fatal(err)
}
defer fh.Close()
spec, err := ebpf.LoadCollectionSpecFromReader(fh)
if err != nil {
t.Fatal(err)
}
if spec.ByteOrder != internal.NativeEndian {
return
}
tgt, err := os.Open(fmt.Sprintf("testdata/relocs_read_tgt-%s.elf", internal.ClangEndian))
if err != nil {
t.Fatal(err)
}
defer tgt.Close()
for _, progSpec := range spec.Programs {
t.Run(progSpec.Name, func(t *testing.T) {
if _, err := tgt.Seek(0, io.SeekStart); err != nil {
t.Fatal(err)
}
prog, err := ebpf.NewProgramWithOptions(progSpec, ebpf.ProgramOptions{
TargetBTF: tgt,
})
testutils.SkipIfNotSupported(t, err)
if err != nil {
t.Fatal("Load program:", err)
}
defer prog.Close()
ret, _, err := prog.Test(make([]byte, 14))
testutils.SkipIfNotSupported(t, err)
if err != nil {
t.Fatal("Error when running:", err)
}
if ret != 0 {
t.Error("Assertion failed on line", ret)
}
})
}
})
}