user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<util_sys_get_base_dev>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  sub    $0x38,%rsp
  mov    %edi,-0x1034(%rbp)
  mov    %rsi,-0x1040(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  mov    -0x1034(%rbp),%eax
  mov    %eax,%edi
  call   <util_sys_dev_is_partition@plt>
  test   %eax,%eax
  jne    L20
  mov    -0x1034(%rbp),%eax
  mov    %eax,%edi
  call   <minor@plt>
  mov    %eax,%ebx
  mov    -0x1034(%rbp),%eax
  mov    %eax,%edi
  call   <major@plt>
  mov    %ebx,%esi
  mov    %eax,%edi
  call   <makedev@plt>
  mov    -0x1040(%rbp),%rdx
  mov    %eax,(%rdx)
  mov    $0x0,%eax
  jmp    L1
L20:
  mov    -0x1034(%rbp),%eax
  mov    %eax,%edi
  call   <minor@plt>
  mov    %eax,%ebx
  mov    -0x1034(%rbp),%eax
  mov    %eax,%edi
  call   <major@plt>
  mov    %ebx,%edx
  mov    %eax,%esi
  lea    D20(%rip),%rax
  mov    %rax,%rdi
  call   <util_path_sysfs@plt>
  mov    %rax,-0x1028(%rbp)
  mov    -0x1028(%rbp),%rdx
  lea    -0x1020(%rbp),%rax
  mov    $0x1000,%esi
  mov    %rax,%rdi
  call   <util_file_read_line@plt>
  test   %rax,%rax
  je     L15
  mov    -0x1028(%rbp),%rax
  mov    %rax,%rsi
  lea    D17(%rip),%rax
  mov    %rax,%rdi
  call   <warnx@plt>
  mov    -0x1028(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0xffffffff,%eax
  jmp    L1
L15:
  mov    -0x1028(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  lea    -0x102c(%rbp),%rcx
  lea    -0x1030(%rbp),%rdx
  lea    -0x1020(%rbp),%rax
  lea    D6(%rip),%rsi
  mov    %rax,%rdi
  call   <sscanf@plt>
  cmp    $0x2,%eax
  je     L55
  lea    -0x1020(%rbp),%rax
  mov    %rax,%rsi
  lea    D7(%rip),%rax
  mov    %rax,%rdi
  call   <warn@plt>
  mov    $0xffffffff,%eax
  jmp    L1
L55:
  mov    -0x102c(%rbp),%edx
  mov    -0x1030(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <makedev@plt>
  mov    -0x1040(%rbp),%rdx
  mov    %eax,(%rdx)
  mov    $0x0,%eax
L1:
  mov    -0x18(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L48
  call   <__stack_chk_fail@plt>
L48:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D20
type_infered: string
name: unpack_data
arguments: data_label: D17
type_infered: string
name: unpack_data
arguments: data_label: D6
type_infered: string
name: unpack_data
arguments: data_label: D7
type_infered: string

tool: D20: dev/block/%d:%d/../dev

tool: D17: Could not read from path '%s'

tool: D6: %i:%i

tool: D7: Could not parse major:minor from string '%s'

assistant: ```c
int util_sys_get_base_dev(dev_t dev, dev_t *base_dev) {
  int base_major, base_minor;
  char buf[4096];
  char *path;
  if (!util_sys_dev_is_partition(dev)) {
    *base_dev = makedev(major(dev), minor(dev));
    return 0;
  }
  path = util_path_sysfs("dev/block/%d:%d/../dev", major(dev), minor(dev));
  if (util_file_read_line(buf, sizeof(buf), path)) {
    warnx("Could not read from path '%s'", path);
    free(path);
    return -1;
  }
  free(path);
  if (sscanf(buf, "%i:%i", &base_major, &base_minor) != 2) {
    warn("Could not parse major:minor from string '%s'", buf);
    return -1;
  }
  *base_dev = makedev(base_major, base_minor);
  return 0;
}
```