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31 lines
668 B
Go
31 lines
668 B
Go
package btf
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import (
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"fmt"
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"unsafe"
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"github.com/cilium/ebpf/internal"
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)
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type bpfBTFInfo struct {
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btf internal.Pointer
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btfSize uint32
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id uint32
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name internal.Pointer
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nameLen uint32
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kernelBTF uint32
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}
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func bpfGetBTFInfoByFD(fd *internal.FD, btf, name []byte) (*bpfBTFInfo, error) {
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info := bpfBTFInfo{
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btf: internal.NewSlicePointer(btf),
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btfSize: uint32(len(btf)),
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name: internal.NewSlicePointer(name),
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nameLen: uint32(len(name)),
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}
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if err := internal.BPFObjGetInfoByFD(fd, unsafe.Pointer(&info), unsafe.Sizeof(info)); err != nil {
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return nil, fmt.Errorf("can't get program info: %w", err)
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}
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return &info, nil
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}
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