user: 这段汇编代码用C语言表示是什么样的:

```asm
<nibble_sort_word>:
  endbr64
  sub    $0x28,%rsp
  pxor   %xmm0,%xmm0
  mov    %rdi,%rax
  mov    %fs:0x28,%rdx
  mov    %rdx,0x18(%rsp)
  xor    %edx,%edx
  mov    %rdi,%rdx
  movaps %xmm0,(%rsp)
  and    $0xf,%edx
  addb   $0x1,(%rsp,%rdx,1)
  mov    %rdi,%rdx
  shr    $0x4,%rdx
  and    $0xf,%edx
  addb   $0x1,(%rsp,%rdx,1)
  mov    %rdi,%rdx
  shr    $0x8,%rdx
  and    $0xf,%edx
  addb   $0x1,(%rsp,%rdx,1)
  mov    %rdi,%rdx
  shr    $0xc,%rdx
  and    $0xf,%edx
  addb   $0x1,(%rsp,%rdx,1)
  mov    %rdi,%rdx
  shr    $0x10,%rdx
  and    $0xf,%edx
  addb   $0x1,(%rsp,%rdx,1)
  mov    %rdi,%rdx
  shr    $0x14,%rdx
  and    $0xf,%edx
  addb   $0x1,(%rsp,%rdx,1)
  mov    %rdi,%rdx
  shr    $0x18,%rdx
  and    $0xf,%edx
  addb   $0x1,(%rsp,%rdx,1)
  mov    %rdi,%rdx
  shr    $0x1c,%rdx
  and    $0xf,%edx
  addb   $0x1,(%rsp,%rdx,1)
  mov    %rdi,%rdx
  shr    $0x20,%rdx
  and    $0xf,%edx
  addb   $0x1,(%rsp,%rdx,1)
  mov    %rdi,%rdx
  shr    $0x24,%rdx
  and    $0xf,%edx
  addb   $0x1,(%rsp,%rdx,1)
  mov    %rdi,%rdx
  shr    $0x28,%rdx
  and    $0xf,%edx
  shr    $0x3c,%rax
  addb   $0x1,(%rsp,%rdx,1)
  mov    %rdi,%rdx
  shr    $0x2c,%rdx
  and    $0xf,%edx
  addb   $0x1,(%rsp,%rdx,1)
  mov    %rdi,%rdx
  shr    $0x30,%rdx
  and    $0xf,%edx
  addb   $0x1,(%rsp,%rdx,1)
  mov    %rdi,%rdx
  shr    $0x34,%rdx
  and    $0xf,%edx
  addb   $0x1,(%rsp,%rdx,1)
  mov    %rdi,%rdx
  shr    $0x38,%rdx
  and    $0xf,%edx
  addb   $0x1,(%rsp,%rdx,1)
  lea    D9(%rip),%rdx
  addb   $0x1,(%rsp,%rax,1)
  movsbq 0xf(%rsp),%rax
  movsbq 0xe(%rsp),%rsi
  mov    (%rdx,%rax,8),%rcx
  mov    %rcx,%rax
  shl    $0x4,%rax
  sub    %rcx,%rax
  lea    0x0(,%rsi,4),%ecx
  mov    (%rdx,%rsi,8),%rsi
  shl    %cl,%rax
  mov    %rax,%rcx
  lea    0x0(,%rsi,8),%rax
  sub    %rsi,%rax
  movsbq 0xd(%rsp),%rsi
  add    %rax,%rax
  or     %rcx,%rax
  lea    0x0(,%rsi,4),%ecx
  shl    %cl,%rax
  mov    (%rdx,%rsi,8),%rcx
  lea    (%rcx,%rcx,2),%rsi
  lea    (%rcx,%rsi,4),%rcx
  movsbq 0xc(%rsp),%rsi
  or     %rcx,%rax
  lea    0x0(,%rsi,4),%ecx
  shl    %cl,%rax
  mov    %rax,%rcx
  mov    (%rdx,%rsi,8),%rax
  movsbq 0xb(%rsp),%rsi
  lea    (%rax,%rax,2),%rax
  shl    $0x2,%rax
  or     %rcx,%rax
  lea    0x0(,%rsi,4),%ecx
  shl    %cl,%rax
  mov    (%rdx,%rsi,8),%rcx
  lea    (%rcx,%rcx,4),%rsi
  lea    (%rcx,%rsi,2),%rcx
  movsbq 0xa(%rsp),%rsi
  or     %rcx,%rax
  lea    0x0(,%rsi,4),%ecx
  shl    %cl,%rax
  mov    %rax,%rcx
  mov    (%rdx,%rsi,8),%rax
  movsbq 0x9(%rsp),%rsi
  lea    (%rax,%rax,4),%rax
  add    %rax,%rax
  or     %rcx,%rax
  lea    0x0(,%rsi,4),%ecx
  shl    %cl,%rax
  mov    (%rdx,%rsi,8),%rcx
  movsbq 0x8(%rsp),%rsi
  lea    (%rcx,%rcx,8),%rcx
  or     %rcx,%rax
  lea    0x0(,%rsi,4),%ecx
  shl    %cl,%rax
  mov    %rax,%rcx
  mov    (%rdx,%rsi,8),%rax
  movsbq 0x7(%rsp),%rsi
  shl    $0x3,%rax
  or     %rcx,%rax
  lea    0x0(,%rsi,4),%ecx
  mov    (%rdx,%rsi,8),%rsi
  shl    %cl,%rax
  mov    %rax,%rcx
  lea    0x0(,%rsi,8),%rax
  sub    %rsi,%rax
  movsbq 0x6(%rsp),%rsi
  or     %rcx,%rax
  lea    0x0(,%rsi,4),%ecx
  shl    %cl,%rax
  mov    %rax,%rcx
  mov    (%rdx,%rsi,8),%rax
  movsbq 0x5(%rsp),%rsi
  lea    (%rax,%rax,2),%rax
  add    %rax,%rax
  or     %rcx,%rax
  lea    0x0(,%rsi,4),%ecx
  shl    %cl,%rax
  mov    (%rdx,%rsi,8),%rcx
  movsbq 0x4(%rsp),%rsi
  lea    (%rcx,%rcx,4),%rcx
  or     %rcx,%rax
  lea    0x0(,%rsi,4),%ecx
  shl    %cl,%rax
  mov    %rax,%rcx
  mov    (%rdx,%rsi,8),%rax
  movsbq 0x3(%rsp),%rsi
  shl    $0x2,%rax
  or     %rcx,%rax
  lea    0x0(,%rsi,4),%ecx
  shl    %cl,%rax
  mov    (%rdx,%rsi,8),%rcx
  movsbq 0x2(%rsp),%rsi
  lea    (%rcx,%rcx,2),%rcx
  or     %rcx,%rax
  lea    0x0(,%rsi,4),%ecx
  shl    %cl,%rax
  mov    %rax,%rcx
  mov    (%rdx,%rsi,8),%rax
  movsbq 0x1(%rsp),%rsi
  add    %rax,%rax
  or     %rcx,%rax
  lea    0x0(,%rsi,4),%ecx
  shl    %cl,%rax
  or     (%rdx,%rsi,8),%rax
  movsbl (%rsp),%ecx
  shl    $0x2,%ecx
  shl    %cl,%rax
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L1
  add    $0x28,%rsp
  ret
L1:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D9
type: string

tool: 

assistant: ```c
unsigned long nibble_sort_word(unsigned long arg) {
  static const unsigned long tab[17] = {
      0x0000000000000000UL, 0x0000000000000001UL, 0x0000000000000011UL, 0x0000000000000111UL, 0x0000000000001111UL, 0x0000000000011111UL, 0x0000000000111111UL, 0x0000000001111111UL, 0x0000000011111111UL, 0x0000000111111111UL, 0x0000001111111111UL, 0x0000011111111111UL, 0x0000111111111111UL, 0x0001111111111111UL, 0x0011111111111111UL, 0x0111111111111111UL, 0x1111111111111111UL,
  };
  char counts[16] = {};
  for (int i = 0; i < 16; ++i) {
    counts[arg & 15]++;
    arg >>= 4;
  }
  unsigned long result = 0;
  for (int i = 15; i >= 0; --i) {
    int c = counts[i];
    result <<= 4 * c;
    result |= i * tab[c];
  }
  return result;
}
```