| go/internal/cgo | |
| go/internal/gccgoimporter | Package gccgoimporter implements Import for gccgo-generated object files. |
| go/internal/gcimporter | Package gcimporter provides various functions for reading gc-generated object files that can be used to implement the Importer interface defined by the Go 1.5 standard library package. |
| go/internal/packagesdriver | Package packagesdriver fetches type sizes for go/packages and go/analysis. |
| go/internal/pkgbits | Package pkgbits implements low-level coding abstractions for Unified IR's export data format. |