Method readMem

daemon/procmon/details.go:665–683

given a range of addrs, read it from mem and return the content

(mappings []MemoryMapping)

// given a range of addrs, read it from mem and return the content
func (p *Process) readMem(mappings []MemoryMapping) ([]byte, error) {
	var elfCode []byte
	memFile, err := os.Open(p.pathMem)
	if err != nil {
		return nil, err
	}
	defer memFile.Close()

	for _, mapping := range mappings {
		memFile.Seek(int64(mapping.StartAddr), io.SeekStart)
		code := make([]byte, mapping.EndAddr-mapping.StartAddr)
		_, err = memFile.Read(code)
		if err != nil {
			return nil, err
		}
	}

	return elfCode, nil
}