func getData(file string) (*Data, error) {
switch runtime.GOOS {
case "linux":
f, err := elf.Open(file)
if err != nil {
return nil, err
}
dwarf, err := f.DWARF()
if err != nil {
return nil, err
}
f.Close()
return dwarf, nil
case "darwin":
f, err := macho.Open(file)
if err != nil {
return nil, err
}
dwarf, err := f.DWARF()
if err != nil {
return nil, err
}
f.Close()
return dwarf, nil
}
panic("unimplemented DWARF for GOOS=" + runtime.GOOS)
}
func machoData(t *testing.T, name string) *Data {
f, err := macho.Open(name)
if err != nil {
t.Fatal(err)
}
d, err := f.DWARF()
if err != nil {
t.Fatal(err)
}
return d
}
func (dbp *Process) findExecutable(path string) (*macho.File, error) {
if path == "" {
path = C.GoString(C.find_executable(C.int(dbp.Pid)))
}
exe, err := macho.Open(path)
if err != nil {
return nil, err
}
dbp.dwarf, err = exe.DWARF()
if err != nil {
return nil, err
}
return exe, nil
}