user: 这段汇编代码用C语言表示是什么样的:

```asm
<hexdump8>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x18,%rsp
  mov    %rdi,(%rsp)
  call   <assert@plt>
  test   %rbx,%rbx
  je     L91
  xor    %ebp,%ebp
  lea    D12(%rip),%r15
  lea    D2(%rip),%r13
  lea    D13(%rip),%r14
  jmp    L99
  nopl   0x0(%rax,%rax,1)
L35:
  mov    (%r12),%esi
  mov    %r13,%rdi
  xor    %eax,%eax
  add    $0x1,%rbp
  add    $0x4,%r12
  call   <printf@plt>
  cmp    %rbp,%rbx
  je     L6
L99:
  test   $0xf,%bpl
  jne    L29
  test   %rbp,%rbp
  je     L10
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    -0x40(%r12),%rdi
  mov    $0x10,%esi
  call   <strdump@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
L10:
  mov    %r12,%rsi
  mov    %r14,%rdi
  xor    %eax,%eax
  call   <printf@plt>
L29:
  test   $0x3,%bpl
  jne    L35
  mov    $0x20,%edi
  call   <putchar@plt>
  jmp    L35
L6:
  lea    0x0(,%rbx,4),%rax
  mov    %rbx,%r14
  mov    %rax,0x8(%rsp)
  and    $0xf,%r14d
  je     L126
  lea    0x10(%rbx),%rbp
  lea    0x0(,%r14,4),%rax
  neg    %rax
  sub    %r14,%rbp
  mov    %rax,%r12
  cmp    %rbp,%rbx
  jae    L82
  lea    D22(%rip),%r13
  nopl   0x0(%rax,%rax,1)
L123:
  test   $0x3,%bl
  je     L17
  add    $0x1,%rbx
  xor    %eax,%eax
  mov    %r13,%rdi
  call   <printf@plt>
  cmp    %rbx,%rbp
  jne    L123
L82:
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  mov    (%rsp),%rdi
  mov    %r14,%rsi
  add    %r12,%rax
  add    %rax,%rdi
  call   <strdump@plt>
  add    $0x18,%rsp
  mov    $0xa,%edi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1080 <putchar@plt>
  nopl   0x0(%rax)
L17:
  mov    $0x20,%edi
  add    $0x1,%rbx
  call   <putchar@plt>
  xor    %eax,%eax
  mov    %r13,%rdi
  call   <printf@plt>
  cmp    %rbp,%rbx
  jne    L123
  jmp    L82
  nopw   0x0(%rax,%rax,1)
L126:
  mov    $0xffffffffffffffc0,%r12
  mov    $0x10,%r14d
  jmp    L82
  nop
L91:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: disassemble_data
arguments: label: D12
data_type: string
name: disassemble_data
arguments: label: D2
data_type: string
name: disassemble_data
arguments: label: D13
data_type: string
name: disassemble_data
arguments: label: D22
data_type: string

tool: D12:  | 

tool: D2: %02x

tool: D13: %p |

tool: D22:   

assistant: ```c
void hexdump8(const void *buf, size_t len) {
  assert(buf);
  const uint8_t *data = buf;
  size_t i, spaces, tail;
  if (!len) {
    return;
  }
  for (i = 0; i < len; ++i) {
    if (i % 16 == 0) {
      if (i) {
        printf(" | ");
        strdump(data - 16, 16);
        putchar('\n');
      }
      printf("%p |", data);
    }
    if (i % 4 == 0) {
      putchar(' ');
    }
    printf("%02x", *data++);
  }
  spaces = len;
  tail = len % 16;
  if (tail) {
    spaces += 16 - tail;
  } else {
    tail = 16;
  }
  while (i < spaces) {
    if (i % 4 == 0) {
      putchar(' ');
    }
    ++i;
    printf("  ");
  }
  printf(" | ");
  strdump(data - tail, tail);
  putchar('\n');
}
```