Adding Exports() for Elf.

Author: awgh

elf/exports.go

@@ -0,0 +1,32 @@
+package elf
+
+/*
+  Any symbol in the dynamic symbol table (in .dynsym) for which .st_shndx == SHN_UNDEF
+  (references undefined section) is an import, and every other symbol is defined and exported.
+*/
+
+// Export - describes a single export entry
+type Export struct {
+	Name           string
+	VirtualAddress uint64
+}
+
+// Exports - gets exports
+func (f *File) Exports() ([]Export, error) {
+
+	var exports []Export
+	symbols, err := f.DynamicSymbols()
+	if err != nil {
+		return nil, err
+	}
+	for _, s := range symbols {
+		if s.Section != SHN_UNDEF {
+			exports = append(exports, Export{
+				Name:           s.Name,
+				VirtualAddress: s.Value,
+			})
+		}
+	}
+
+	return exports, nil
+}