func (dbp *Process) parseDebugLineInfo(exe *elf.File, wg *sync.WaitGroup) { defer wg.Done() if sec := exe.Section(".debug_line"); sec != nil { debugLine, err := exe.Section(".debug_line").Data() if err != nil { fmt.Println("could not get .debug_line section", err) os.Exit(1) } dbp.lineInfo = line.Parse(debugLine) } else { fmt.Println("could not find .debug_line section in binary") os.Exit(1) } }
func (dbp *Process) obtainGoSymbols(exe *elf.File, wg *sync.WaitGroup) { defer wg.Done() var ( symdat []byte pclndat []byte err error ) if sec := exe.Section(".gosymtab"); sec != nil { symdat, err = sec.Data() if err != nil { fmt.Println("could not get .gosymtab section", err) os.Exit(1) } } if sec := exe.Section(".gopclntab"); sec != nil { pclndat, err = sec.Data() if err != nil { fmt.Println("could not get .gopclntab section", err) os.Exit(1) } } pcln := gosym.NewLineTable(pclndat, exe.Section(".text").Addr) tab, err := gosym.NewTable(symdat, pcln) if err != nil { fmt.Println("could not get initialize line table", err) os.Exit(1) } dbp.goSymTable = tab }
func (dbp *Process) parseDebugFrame(exe *elf.File, wg *sync.WaitGroup) { defer wg.Done() debugFrameSec := exe.Section(".debug_frame") debugInfoSec := exe.Section(".debug_info") if debugFrameSec != nil && debugInfoSec != nil { debugFrame, err := exe.Section(".debug_frame").Data() if err != nil { fmt.Println("could not get .debug_frame section", err) os.Exit(1) } dat, err := debugInfoSec.Data() if err != nil { fmt.Println("could not get .debug_info section", err) os.Exit(1) } dbp.frameEntries = frame.Parse(debugFrame, frame.DwarfEndian(dat)) } else { fmt.Println("could not find .debug_frame section in binary") os.Exit(1) } }