Function WriteTestModule

snapshot/linux/test_modules.cc:32–253

namespace test {

bool WriteTestModule(const base::FilePath& module_path,
                     const std::string& soname) {
#if defined(ARCH_CPU_64_BITS)
  using Ehdr = Elf64_Ehdr;
  using Phdr = Elf64_Phdr;
  using Shdr = Elf64_Shdr;
  using Dyn = Elf64_Dyn;
  using Sym = Elf64_Sym;
  unsigned char elf_class = ELFCLASS64;
#else
  using Ehdr = Elf32_Ehdr;
  using Phdr = Elf32_Phdr;
  using Shdr = Elf32_Shdr;
  using Dyn = Elf32_Dyn;
  using Sym = Elf32_Sym;
  unsigned char elf_class = ELFCLASS32;
#endif

  struct {
    Ehdr ehdr;
    struct {
      Phdr load1;
      Phdr load2;
      Phdr dynamic;
      Phdr gnu_stack;
    } phdr_table;
    struct {
      Dyn hash;
      Dyn strtab;
      Dyn symtab;
      Dyn strsz;
      Dyn syment;
      Dyn soname;
      Dyn null;
    } dynamic_array;
    struct {
      Elf32_Word nbucket;
      Elf32_Word nchain;
      Elf32_Word bucket;
      Elf32_Word chain;
    } hash_table;
    char string_table[32];
    struct {
    } section_header_string_table;
    struct {
      Sym und_symbol;
    } symbol_table;
    struct {
      Shdr null;
      Shdr dynamic;
      Shdr string_table;
      Shdr section_header_string_table;
    } shdr_table;
  } module = {};

  module.ehdr.e_ident[EI_MAG0] = ELFMAG0;
  module.ehdr.e_ident[EI_MAG1] = ELFMAG1;
  module.ehdr.e_ident[EI_MAG2] = ELFMAG2;