user: 请从给定的汇编指令推导出C源代码：

```asm
<dump_stat>:
  endbr64
  push   %r13
  mov    %rdx,%r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movl   $0x0,0x4(%rsp)
  test   %edi,%edi
  js     L12
  mov    $0x90,%edi
  mov    %rcx,%r12
  mov    %esi,%ebx
  call   <malloc@plt>
  mov    %r12,%rdx
  mov    %ebx,%edi
  mov    %rax,%rbp
  mov    %rax,%rsi
  call   <dump_long_unsigned_int_from_mem@plt>
  lea    0x8(%rbp),%rsi
  lea    0x4(%rbx),%edi
  mov    %r12,%rdx
  add    %eax,0x4(%rsp)
  call   <dump_long_unsigned_int_from_mem@plt>
  lea    0x10(%rbp),%rsi
  lea    0x8(%rbx),%edi
  mov    %r12,%rdx
  add    %eax,0x4(%rsp)
  call   <dump_short_unsigned_int_from_mem@plt>
  lea    0x18(%rbp),%rsi
  lea    0xa(%rbx),%edi
  mov    %r12,%rdx
  add    %eax,0x4(%rsp)
  call   <dump_short_unsigned_int_from_mem@plt>
  lea    0x20(%rbp),%rsi
  lea    0xc(%rbx),%edi
  mov    %r12,%rdx
  add    %eax,0x4(%rsp)
  call   <dump_short_unsigned_int_from_mem@plt>
  lea    0x28(%rbp),%rsi
  lea    0xe(%rbx),%edi
  mov    %r12,%rdx
  add    %eax,0x4(%rsp)
  call   <dump_short_unsigned_int_from_mem@plt>
  lea    0x30(%rbp),%rsi
  lea    0x10(%rbx),%edi
  mov    %r12,%rdx
  add    %eax,0x4(%rsp)
  call   <dump_long_unsigned_int_from_mem@plt>
  lea    0x38(%rbp),%rsi
  lea    0x14(%rbx),%edi
  mov    %r12,%rdx
  add    %eax,0x4(%rsp)
  call   <dump_long_unsigned_int_from_mem@plt>
  lea    0x40(%rbp),%rsi
  lea    0x18(%rbx),%edi
  mov    %r12,%rdx
  add    %eax,0x4(%rsp)
  call   <dump_long_unsigned_int_from_mem@plt>
  lea    0x48(%rbp),%rsi
  lea    0x1c(%rbx),%edi
  mov    %r12,%rdx
  add    %eax,0x4(%rsp)
  call   <dump_long_unsigned_int_from_mem@plt>
  lea    0x50(%rbp),%rsi
  lea    0x20(%rbx),%edi
  mov    %r12,%rdx
  add    %eax,0x4(%rsp)
  call   <dump_long_unsigned_int_from_mem@plt>
  lea    0x58(%rbp),%rsi
  lea    0x24(%rbx),%edi
  mov    %r12,%rdx
  add    %eax,0x4(%rsp)
  call   <dump_long_unsigned_int_from_mem@plt>
  lea    0x60(%rbp),%rsi
  lea    0x28(%rbx),%edi
  mov    %r12,%rdx
  add    %eax,0x4(%rsp)
  call   <dump_long_unsigned_int_from_mem@plt>
  lea    0x68(%rbp),%rsi
  lea    0x2c(%rbx),%edi
  mov    %r12,%rdx
  add    %eax,0x4(%rsp)
  call   <dump_long_unsigned_int_from_mem@plt>
  lea    0x70(%rbp),%rsi
  lea    0x30(%rbx),%edi
  mov    %r12,%rdx
  add    %eax,0x4(%rsp)
  call   <dump_long_unsigned_int_from_mem@plt>
  lea    0x78(%rbp),%rsi
  lea    0x34(%rbx),%edi
  mov    %r12,%rdx
  add    %eax,0x4(%rsp)
  call   <dump_long_unsigned_int_from_mem@plt>
  lea    0x38(%rbx),%edi
  mov    %r12,%rdx
  add    %eax,0x4(%rsp)
  lea    0x80(%rbp),%rsi
  call   <dump_long_unsigned_int_from_mem@plt>
  lea    0x3c(%rbx),%edi
  mov    %r12,%rdx
  add    %eax,0x4(%rsp)
  lea    0x88(%rbp),%rsi
  call   <dump_long_unsigned_int_from_mem@plt>
  lea    0x4(%rsp),%rdx
  mov    %rbp,%rdi
  add    %eax,0x4(%rsp)
  mov    $0x12,%esi
  call   <copy_params@plt>
  mov    $0x12,%esi
  mov    %rbp,%rdi
  mov    %rax,0x0(%r13)
  call   <free_dumped_params@plt>
  mov    0x4(%rsp),%eax
L26:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L3
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nop
L12:
  xor    %edi,%edi
  call   <malloc@plt>
  mov    %rax,0x0(%r13)
  mov    0x4(%rsp),%eax
  jmp    L26
L3:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int dump_stat(int depth, unsigned int addr, char **dumped_params, struct target *target) {
  char **dumped_type_params;
  unsigned int arm_tracing_st_dev = addr;
  unsigned int arm_tracing_st_ino = addr + 4;
  unsigned int arm_tracing_st_mode = addr + 8;
  unsigned int arm_tracing_st_nlink = addr + 10;
  unsigned int arm_tracing_st_uid = addr + 12;
  unsigned int arm_tracing_st_gid = addr + 14;
  unsigned int arm_tracing_st_rdev = addr + 16;
  unsigned int arm_tracing_st_size = addr + 20;
  unsigned int arm_tracing_st_blksize = addr + 24;
  unsigned int arm_tracing_st_blocks = addr + 28;
  unsigned int arm_tracing_st_atime = addr + 32;
  unsigned int arm_tracing_st_atime_nsec = addr + 36;
  unsigned int arm_tracing_st_mtime = addr + 40;
  unsigned int arm_tracing_st_mtime_nsec = addr + 44;
  unsigned int arm_tracing_st_ctime = addr + 48;
  unsigned int arm_tracing_st_ctime_nsec = addr + 52;
  unsigned int arm_tracing___unused4 = addr + 56;
  unsigned int arm_tracing___unused5 = addr + 60;
  int len = 0;
  if (depth < 0) {
    *dumped_params = malloc(0);
    return len;
  }
  dumped_type_params = malloc(18 * (sizeof(char *)));
  if (depth >= 0) {
    len += dump_long_unsigned_int_from_mem(arm_tracing_st_dev, &dumped_type_params[0], target);
    len += dump_long_unsigned_int_from_mem(arm_tracing_st_ino, &dumped_type_params[1], target);
    len += dump_short_unsigned_int_from_mem(arm_tracing_st_mode, &dumped_type_params[2], target);
    len += dump_short_unsigned_int_from_mem(arm_tracing_st_nlink, &dumped_type_params[3], target);
    len += dump_short_unsigned_int_from_mem(arm_tracing_st_uid, &dumped_type_params[4], target);
    len += dump_short_unsigned_int_from_mem(arm_tracing_st_gid, &dumped_type_params[5], target);
    len += dump_long_unsigned_int_from_mem(arm_tracing_st_rdev, &dumped_type_params[6], target);
    len += dump_long_unsigned_int_from_mem(arm_tracing_st_size, &dumped_type_params[7], target);
    len += dump_long_unsigned_int_from_mem(arm_tracing_st_blksize, &dumped_type_params[8], target);
    len += dump_long_unsigned_int_from_mem(arm_tracing_st_blocks, &dumped_type_params[9], target);
    len += dump_long_unsigned_int_from_mem(arm_tracing_st_atime, &dumped_type_params[10], target);
    len += dump_long_unsigned_int_from_mem(arm_tracing_st_atime_nsec, &dumped_type_params[11], target);
    len += dump_long_unsigned_int_from_mem(arm_tracing_st_mtime, &dumped_type_params[12], target);
    len += dump_long_unsigned_int_from_mem(arm_tracing_st_mtime_nsec, &dumped_type_params[13], target);
    len += dump_long_unsigned_int_from_mem(arm_tracing_st_ctime, &dumped_type_params[14], target);
    len += dump_long_unsigned_int_from_mem(arm_tracing_st_ctime_nsec, &dumped_type_params[15], target);
    len += dump_long_unsigned_int_from_mem(arm_tracing___unused4, &dumped_type_params[16], target);
    len += dump_long_unsigned_int_from_mem(arm_tracing___unused5, &dumped_type_params[17], target);
  }
  *dumped_params = copy_params(dumped_type_params, 18, &len);
  free_dumped_params(dumped_type_params, 18);
  return len;
}
```