-

00000000004211c0 <initialize_shell_variables>:
  4211c0:       41 57                   push   %r15
  4211c2:       41 56                   push   %r14
  4211c4:       49 89 ff                mov    %rdi,%r15
  4211c7:       41 55                   push   %r13
  4211c9:       41 54                   push   %r12
  4211cb:       55                      push   %rbp
  4211cc:       53                      push   %rbx
  4211cd:       89 f5                   mov    %esi,%ebp
  4211cf:       48 83 ec 58             sub    $0x58,%rsp
  4211d3:       e8 08 dd ff ff          callq  41eee0 <create_variable_tables>
  4211d8:       4d 85 ff                test   %r15,%r15
  4211db:       0f 84 f8 00 00 00       je     4212d9 <initialize_shell_variables+0x119>
  4211e1:       4d 8b 27                mov    (%r15),%r12