/usr/share/gocode/ is in golang-github-btcsuite-btcd-btcec-dev 0.0~git20161101.0.g8343278-1.
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/usr/share/gocode/src/
/usr/share/gocode/src/github.com/
/usr/share/gocode/src/github.com/btcsuite/
/usr/share/gocode/src/github.com/btcsuite/btcd/
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/bench_test.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/btcec.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/btcec_test.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/ciphering.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/ciphering_test.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/doc.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/example_test.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/field.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/field_test.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/genprecomps.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/gensecp256k1.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/precompute.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/privkey.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/privkey_test.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/pubkey.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/pubkey_test.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/secp256k1.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/signature.go
/usr/share/gocode/src/github.com/btcsuite/btcd/btcec/signature_test.go