5452c30fac
The ebpf implementations uses cgo, but only to access some C struct definitions. Instead of using cgo simply duplicate the defintion of those two structs in Go and add a test to check that the duplicate definitions remain synchronized. Fixes #2827
44 lines
1.4 KiB
Go
44 lines
1.4 KiB
Go
//go:build linux && amd64 && cgo && go1.16
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// +build linux,amd64,cgo,go1.16
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package ebpf
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import (
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"reflect"
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"testing"
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"github.com/go-delve/delve/pkg/proc/internal/ebpf/testhelper"
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)
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func compareStructTypes(t *testing.T, gostructVal, cstructVal interface{}) {
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gostruct := reflect.ValueOf(gostructVal).Type()
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cstruct := reflect.ValueOf(cstructVal).Type()
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if gostruct.NumField() != cstruct.NumField() {
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t.Errorf("mismatched field number %d %d", gostruct.NumField(), cstruct.NumField())
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return
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}
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for i := 0; i < cstruct.NumField(); i++ {
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gofield := gostruct.Field(i)
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cfield := cstruct.Field(i)
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t.Logf("%d %s %s\n", i, gofield.Name, cfield.Name)
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if gofield.Name != cfield.Name {
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t.Errorf("mismatched name for field %s %s", gofield.Name, cfield.Name)
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}
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if gofield.Offset != cfield.Offset {
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t.Errorf("mismatched offset for field %s %s (%d %d)", gofield.Name, cfield.Name, gofield.Offset, cfield.Offset)
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}
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if gofield.Type.Size() != cfield.Type.Size() {
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t.Errorf("mismatched size for field %s %s (%d %d)", gofield.Name, cfield.Name, gofield.Type.Size(), cfield.Type.Size())
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}
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}
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}
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func TestStructConsistency(t *testing.T) {
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t.Run("function_parameter_t", func(t *testing.T) {
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compareStructTypes(t, function_parameter_t{}, testhelper.Function_parameter_t{})
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})
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t.Run("function_parameter_list_t", func(t *testing.T) {
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compareStructTypes(t, function_parameter_list_t{}, testhelper.Function_parameter_list_t{})
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})
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}
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