user: 下面的汇编指令对应的C源代码是什么：

```asm
<filesys_test_connect_directory>:
  endbr64
  push   %r15
  xor    %edi,%edi
  mov    $0x1,%edx
  push   %r14
  push   %r13
  push   %r12
  lea    D0(%rip),%r12
  push   %rbp
  mov    %r12,%rsi
  sub    $0x70,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x68(%rsp)
  xor    %eax,%eax
  call   <filesys_open_directory@plt>
  test   %eax,%eax
  je     L6
  lea    D170(%rip),%rsi
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_connect_directory@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  lea    D68(%rip),%rbp
  call   <filesys_working_directory@plt>
  mov    %rbp,%rdi
  lea    D149(%rip),%r15
  lea    D49(%rip),%r14
  mov    %eax,%esi
  xor    %eax,%eax
  lea    D175(%rip),%r13
  call   <printf@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %r12,%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  lea    D8(%rip),%rsi
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_connect_directory@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %r12,%rdi
  lea    D17(%rip),%r12
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  lea    D158(%rip),%rsi
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_connect_directory@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %r12,%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  lea    D50(%rip),%rsi
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_connect_directory@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %r12,%rdi
  lea    D89(%rip),%r12
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %r15,%rsi
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_connect_directory@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  lea    D41(%rip),%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    $0x1,%edx
  mov    %r12,%rsi
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_open_directory@plt>
  lea    D141(%rip),%rsi
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_connect_directory@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %r12,%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    $0x1,%edx
  xor    %edi,%edi
  mov    %r14,%rsi
  xor    %eax,%eax
  call   <filesys_open_directory@plt>
  lea    D136(%rip),%rsi
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_connect_directory@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %r14,%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  lea    D14(%rip),%rsi
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_connect_directory@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %r13,%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  xor    %edi,%edi
  mov    %r14,%rsi
  xor    %eax,%eax
  call   <filesys_connect_directory@plt>
  mov    %r15,%rsi
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_connect_directory@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %r12,%rdi
  lea    D79(%rip),%r12
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  xor    %edx,%edx
  xor    %edi,%edi
  lea    D181(%rip),%rsi
  xor    %eax,%eax
  call   <filesys_open_directory@plt>
  xor    %edi,%edi
  movslq %eax,%rsi
  xor    %eax,%eax
  call   <filesys_remove_directory@plt>
  mov    $0x1,%edx
  xor    %edi,%edi
  xor    %eax,%eax
  lea    D193(%rip),%rsi
  call   <filesys_open_directory@plt>
  mov    %r12,%rsi
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_connect_directory@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_working_directory@plt>
  mov    %r12,%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  xor    %edi,%edi
  mov    %r13,%rsi
  xor    %eax,%eax
  call   <filesys_connect_directory@plt>
  xor    %edx,%edx
  lea    D57(%rip),%rsi
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_open_file@plt>
  movslq %eax,%rbp
  xor    %eax,%eax
  mov    %rbp,%rdi
  call   <assert@plt>
  mov    %rsp,%rdx
  mov    $0x64,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <file_read@plt>
  xor    %edi,%edi
  cmp    $0x64,%eax
  sete   %dil
  xor    %eax,%eax
  call   <assert@plt>
  xor    %edi,%edi
  xor    %eax,%eax
  call   <filesys_free@plt>
  mov    0x68(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L11
  add    $0x70,%rsp
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L6:
  lea    D174(%rip),%rdi
  call   <puts@plt>
  call   <abort@plt>
L11:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D0
datatype: string
name: extract_symbolic_data
arguments: tag: D170
datatype: string
name: extract_symbolic_data
arguments: tag: D68
datatype: string
name: extract_symbolic_data
arguments: tag: D149
datatype: string
name: extract_symbolic_data
arguments: tag: D49
datatype: string
name: extract_symbolic_data
arguments: tag: D175
datatype: string
name: extract_symbolic_data
arguments: tag: D8
datatype: string
name: extract_symbolic_data
arguments: tag: D17
datatype: string
name: extract_symbolic_data
arguments: tag: D158
datatype: string
name: extract_symbolic_data
arguments: tag: D50
datatype: string
name: extract_symbolic_data
arguments: tag: D89
datatype: string
name: extract_symbolic_data
arguments: tag: D41
datatype: string
name: extract_symbolic_data
arguments: tag: D141
datatype: string
name: extract_symbolic_data
arguments: tag: D136
datatype: string
name: extract_symbolic_data
arguments: tag: D14
datatype: string
name: extract_symbolic_data
arguments: tag: D79
datatype: string
name: extract_symbolic_data
arguments: tag: D181
datatype: string
name: extract_symbolic_data
arguments: tag: D193
datatype: string
name: extract_symbolic_data
arguments: tag: D57
datatype: string
name: extract_symbolic_data
arguments: tag: D174
datatype: string

tool: D0: /a/b/c/d

tool: D170: a/b/c/d

tool: D68: dir: %s


tool: D149: ../

tool: D49: /a/e/f/k

tool: D175: /

tool: D8: .

tool: D17: /a/b/c

tool: D158: ..

tool: D50: ./

tool: D89: /a/e/f

tool: D41: /a/b

tool: D141: ../e/g/../f

tool: D136: k/

tool: D14: ../../../../../

tool: D79: /1/2/3/4/5/6

tool: D181: /a

tool: D193: /1/2/3/4/5/6/

tool: D57: data/debussy-logo.png

tool: D174: failed to create directory

assistant: ```c
void filesys_test_connect_directory() {
  struct filesystem *fs = (void *)0X0;
  struct directory *dir;
  if (!(dir = filesys_open_directory(fs, "/a/b/c/d", 1))) {
    printf("failed to create directory\n");
    abort();
  }
  filesys_connect_directory(fs, "a/b/c/d");
  printf("dir: %s\n", filesys_working_directory(fs));
  assert(!strcmp("/a/b/c/d", filesys_working_directory(fs)));
  filesys_connect_directory(fs, ".");
  printf("dir: %s\n", filesys_working_directory(fs));
  assert(!strcmp("/a/b/c/d", filesys_working_directory(fs)));
  filesys_connect_directory(fs, "..");
  printf("dir: %s\n", filesys_working_directory(fs));
  assert(!strcmp("/a/b/c", filesys_working_directory(fs)));
  filesys_connect_directory(fs, "./");
  printf("dir: %s\n", filesys_working_directory(fs));
  assert(!strcmp("/a/b/c", filesys_working_directory(fs)));
  filesys_connect_directory(fs, "../");
  printf("dir: %s\n", filesys_working_directory(fs));
  assert(!strcmp("/a/b", filesys_working_directory(fs)));
  filesys_open_directory(fs, "/a/e/f", 1);
  filesys_connect_directory(fs, "../e/g/../f");
  printf("dir: %s\n", filesys_working_directory(fs));
  assert(!strcmp("/a/e/f", filesys_working_directory(fs)));
  filesys_open_directory(fs, "/a/e/f/k", 1);
  filesys_connect_directory(fs, "k/");
  printf("dir: %s\n", filesys_working_directory(fs));
  assert(!strcmp("/a/e/f/k", filesys_working_directory(fs)));
  filesys_connect_directory(fs, "../../../../../");
  printf("dir: %s\n", filesys_working_directory(fs));
  assert(!strcmp("/", filesys_working_directory(fs)));
  filesys_connect_directory(fs, "/a/e/f/k");
  filesys_connect_directory(fs, "../");
  printf("dir: %s\n", filesys_working_directory(fs));
  assert(!strcmp("/a/e/f", filesys_working_directory(fs)));
  struct directory *dir2 = filesys_open_directory(fs, "/a", 0);
  filesys_remove_directory(fs, dir2);
  filesys_open_directory(fs, "/1/2/3/4/5/6/", 1);
  filesys_connect_directory(fs, "/1/2/3/4/5/6");
  printf("dir: %s\n", filesys_working_directory(fs));
  assert(!strcmp("/1/2/3/4/5/6", filesys_working_directory(fs)));
  filesys_connect_directory(fs, "/");
  struct file *f = filesys_open_file(fs, "data/debussy-logo.png", 0);
  assert(f);
  unsigned char buf[100];
  assert(100 == file_read(f, 100, buf));
  filesys_free(fs), free(fs);
}
```