Golang Internals TODO -- source

Linkers and Go object file

An object file is created when a program is compiled: the go compiler is writen in go, and it creates a go object. This object has a Syms array (array of goobj.Sym structs):

&goobj.Sym{
  SymID: goobj.SymID{Name:"main.main", Version:0},
  Kind:  1,
  // ...

• Sym struct holds information about symbols (id, size, type, data ...)
  • main.main symbol is the first symbol in the SYM array from goobj packages, corresponding to STEXT. These contain executable code

Relocations

Reloc array in the Sym struct consists of the following structs