user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<tlsext_cb>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edx,%eax
  mov    %rcx,%r12
  mov    %r8d,%ebp
  mov    %r9,%rbx
  lea    -0x80(%rdx),%edx
  cmp    $0x8,%edx
  ja     L13
  mov    %edx,%edx
  lea    D137(%rip),%rcx
  movslq (%rcx,%rdx,4),%rdx
  add    %rcx,%rdx
  notrack jmp *%rdx
  lea    D119(%rip),%rcx
L41:
  test   %esi,%esi
  lea    D23(%rip),%rdx
  lea    D48(%rip),%rsi
  cmove  %rsi,%rdx
  mov    %ebp,%r9d
  mov    %eax,%r8d
  lea    D41(%rip),%rsi
  mov    %rbx,%rdi
  call   <BIO_printf@plt>
  mov    %ebp,%edx
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <BIO_dump@plt>
  mov    %rbx,%rdi
  call   <BIO_flush@plt>
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  lea    D84(%rip),%rcx
  jmp    L41
  lea    D82(%rip),%rcx
  jmp    L41
  lea    D87(%rip),%rcx
  jmp    L41
  lea    D27(%rip),%rcx
  jmp    L41
  lea    D2(%rip),%rcx
  jmp    L41
  lea    D67(%rip),%rcx
  jmp    L41
  lea    D19(%rip),%rcx
  jmp    L41
L13:
  lea    D100(%rip),%rcx
  jmp    L41
  lea    D29(%rip),%rcx
  jmp    L41
```

tool_calls: name: read_data
arguments: data_tag: D119
datatype: string
name: read_data
arguments: data_tag: D23
datatype: string
name: read_data
arguments: data_tag: D48
datatype: string
name: read_data
arguments: data_tag: D41
datatype: string
name: read_data
arguments: data_tag: D84
datatype: string
name: read_data
arguments: data_tag: D82
datatype: string
name: read_data
arguments: data_tag: D87
datatype: string
name: read_data
arguments: data_tag: D27
datatype: string
name: read_data
arguments: data_tag: D2
datatype: string
name: read_data
arguments: data_tag: D67
datatype: string
name: read_data
arguments: data_tag: D19
datatype: string
name: read_data
arguments: data_tag: D100
datatype: string
name: read_data
arguments: data_tag: D29
datatype: string

tool: D119: max fragment length

tool: D23: server

tool: D48: client

tool: D41: TLS %s extension "%s" (id=%d), len=%d


tool: D84: client certificate URL

tool: D82: trusted CA keys

tool: D87: truncated HMAC

tool: D27: status request

tool: D2: elliptic curves

tool: D67: EC point formats

tool: D19: server ticket

tool: D100: unknown

tool: D29: server name

assistant: ```c
void tlsext_cb(SSL *s, int client_server, int type, unsigned char *data, int len, void *arg) {
  BIO *bio = arg;
  char *extname;
  switch (type) {
  case TLSEXT_TYPE_server_name:
    extname = "server name";
    break;
  case TLSEXT_TYPE_max_fragment_length:
    extname = "max fragment length";
    break;
  case TLSEXT_TYPE_client_certificate_url:
    extname = "client certificate URL";
    break;
  case TLSEXT_TYPE_trusted_ca_keys:
    extname = "trusted CA keys";
    break;
  case TLSEXT_TYPE_truncated_hmac:
    extname = "truncated HMAC";
    break;
  case TLSEXT_TYPE_status_request:
    extname = "status request";
    break;
  case TLSEXT_TYPE_elliptic_curves:
    extname = "elliptic curves";
    break;
  case TLSEXT_TYPE_ec_point_formats:
    extname = "EC point formats";
    break;
  case TLSEXT_TYPE_session_ticket:
    extname = "server ticket";
    break;
  default:
    extname = "unknown";
    break;
  }
  BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n", client_server ? "server" : "client", extname, type, len);
  BIO_dump(bio, (char *)data, len);
  (void)BIO_flush(bio);
}
```