monitor/src/elf/Section.h

   1 #ifndef AESALON_MONITOR_ELF_SECTION_H
   2 #define AESALON_MONITOR_ELF_SECTION_H
   3
   4 #include <linux/elf.h>
   5
   6 #include "Types.h"
   7
   8 #include "misc/SmartPointer.h"
   9
  10 namespace Aesalon {
  11 namespace Monitor {
  12 namespace ELF {
  13
  14 class Section {
  15 private:
  16 #if AESALON_PLATFORM == AESALON_PLATFORM_x86_64
  17     typedef Elf64_Shdr section_t;
  18 #elif AESALON_PLATFORM == AESALON_PLATFORM_x86
  19     typedef Elf32_Shdr section_t;
  20 #endif
  21
  22     int file_fd;
  23
  24     section_t data;
  25
  26     Misc::SmartPointer<Block> content;
  27
  28     std::string name;
  29
  30     std::size_t get_content_size() const { return data.sh_size; }
  31 public:
  32     Section(int file_fd);
  33     virtual ~Section() {}
  34
  35     void read_content();
  36     Misc::SmartPointer<Block> get_content() {
  37         if(!content.is_valid()) read_content();
  38         return content;
  39     }
  40
  41     std::string get_name() const { return name; }
  42     void set_name(std::string new_name) { name = new_name; }
  43
  44     Word get_name_offset() const { return data.sh_name; }
  45     Word get_data_offset() const { return data.sh_offset; }
  46
  47     Word get_virtual_address() const { return data.sh_addr; }
  48
  49     bool is_string_table() const { return data.sh_type == SHT_STRTAB; }
  50 };
  51
  52 } // namespace ELF
  53 } // namespace Monitor
  54 } // namespace Aesalon
  55
  56 #endif