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