relocations.cc

#include <iostream>
#include <inttypes.h> // PRIx64 
#include "../elf_parser.hpp"

void print_relocations(std::vector<elf_parser::relocation_t> &relocations);

int main(int argc, char* argv[]) {
    char usage_banner[] = "usage: ./sections [<executable>]\n";
    if(argc < 2) {
        std::cerr << usage_banner;
        return -1;
    }

    std::string program((std::string)argv[1]);
    elf_parser::Elf_parser elf_parser(program);

    std::vector<elf_parser::relocation_t> relocs = elf_parser.get_relocations();
    print_relocations(relocs);
    return 0;
}

void print_relocations(std::vector<elf_parser::relocation_t> &relocations) {
    printf("  [*] %-16s %-16s %-16s %-16s %s\n", "Offset", "Info", "Type", "Sym. Value", "Sym. Name (section)");
    printf("  [*] %-16s\n", "Calculated PLT Address");
    for (auto &rel : relocations) {
        printf("%016" PRIx64 "  %016" PRIx64 " %-16s %016" PRIx64 " %-16s (%s)\n",
            rel.relocation_offset,
            rel.relocation_info,
            rel.relocation_type.c_str(),
            rel.relocation_symbol_value,
            rel.relocation_symbol_name.c_str(),
            rel.relocation_section_name.c_str());
        printf("%016" PRIx64 "\n", rel.relocation_plt_address);
    }
}