gotools/go/gccgoexportdata/gccgoexportdata.go

// CompilerInfo executes the specified gccgo compiler and returns
// information about it: its version (e.g. "4.8.0"), its target triple
// (e.g. "x86_64-unknown-linux-gnu"), and the list of directories it
// searches to find standard packages. The given arguments are passed
// directly to calls to the specified gccgo compiler.
func CompilerInfo(gccgo string, args ...string) (version, triple string, dirs []string, err error) { … }

// NewReader returns a reader for the export data section of an object
// (.o) or archive (.a) file read from r.
func NewReader(r io.Reader) (io.Reader, error) { … }

// firstSection returns the contents of the first regular file in an ELF
// archive (http://www.sco.com/developers/devspecs/gabi41.pdf, §7.2).
func firstSection(a []byte) ([]byte, error) { … }

// Read reads export data from in, decodes it, and returns type
// information for the package.
// The package name is specified by path.
//
// The FileSet parameter is currently unused but exists for symmetry
// with gcexportdata.
//
// Read may inspect and add to the imports map to ensure that references
// within the export data to other packages are consistent.  The caller
// must ensure that imports[path] does not exist, or exists but is
// incomplete (see types.Package.Complete), and Read inserts the
// resulting package into this map entry.
//
// On return, the state of the reader is undefined.
func Read(in io.Reader, _ *token.FileSet, imports map[string]*types.Package, path string) (*types.Package, error) { … }