Function TestStructOpsMapSpecSimpleLoadAndAssign

collection_test.go:710–838

(t *testing.T)

}

func TestStructOpsMapSpecSimpleLoadAndAssign(t *testing.T) {
	requireTestmodOps(t)

	makeProg := func(attachTo string) map[string]*ProgramSpec {
		return map[string]*ProgramSpec{
			"test_1": {
				Name:     "test_1",
				Type:     StructOps,
				AttachTo: attachTo,
				License:  "GPL",
				Instructions: asm.Instructions{
					asm.Mov.Imm(asm.R0, 0),
					asm.Return(),
				},
			},
		}
	}

	funcPtr := &btf.Pointer{
		Target: &btf.FuncProto{
			Return: &btf.Int{Name: "int", Size: 4, Encoding: btf.Signed},
		},
	}

	type testCase struct {
		name       string
		withProg   bool
		attachTo   string
		valueType  *btf.Struct
		valueBytes []byte
	}

	cases := []testCase{
		{
			name:     "ops_with_data",
			withProg: true,
			attachTo: "bpf_testmod_ops:test_1",
			valueType: &btf.Struct{
				Name: "bpf_testmod_ops",
				Size: 16,
				Members: []btf.Member{
					{
						Name:   "test_1",
						Type:   funcPtr,
						Offset: 0,
					},
					{
						Name:   "data",
						Type:   &btf.Int{Name: "int", Size: 4},
						Offset: 64, // bits
					},
				},
			},
			valueBytes: []byte{
				// test_1 func ptr (8B)
				0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
				// data (4B) + padding (4B)
				0xde, 0xed, 0xbe, 0xef, 0x00, 0x00, 0x00, 0x00,