Function TestELFKernelOffset

internal/binutils/binutils_test.go:940–977

(t *testing.T)

}

func TestELFKernelOffset(t *testing.T) {
	realELFOpen := elfOpen
	defer func() {
		elfOpen = realELFOpen
	}()

	wantAddr := uint64(0xffff000010082000)
	elfOpen = func(_ string) (*elf.File, error) {
		return fakeELFFile(t), nil
	}

	for _, tc := range []struct {
		name             string
		relocationSymbol string
		start            uint64
	}{
		{"text", "_text", 0xffff000020080000},
		{"stext", "_stext", 0xffff000020081000},
	} {

		b := binrep{}
		o, err := b.openELF("vmlinux", tc.start, 0xffffffffffffffff, tc.start, tc.relocationSymbol)
		if err != nil {
			t.Errorf("%v: openELF got error %v, want nil", tc.name, err)
			continue
		}

		addr, err := o.ObjAddr(0xffff000020082000)
		if err != nil {
			t.Errorf("%v: ObjAddr got err %v, want nil", tc.name, err)
			continue
		}
		if addr != wantAddr {
			t.Errorf("%v: ObjAddr got %x, want %x", tc.name, addr, wantAddr)
		}

	}
}